[18] | 1 | /* |
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| 2 | |
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| 3 | Copyright (c) 1992, 1993 |
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| 4 | Regents of the University of California |
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| 5 | All rights reserved. |
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| 6 | |
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| 7 | Use and copying of this software and preparation of derivative works |
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| 8 | based upon this software are permitted. However, any distribution of |
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| 9 | this software or derivative works must include the above copyright |
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| 10 | notice. |
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| 11 | |
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| 12 | This software is made available AS IS, and neither the Electronics |
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| 13 | Research Laboratory or the Universify of California make any |
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| 14 | warranty about the software, its performance or its conformity to |
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| 15 | any specification. |
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| 16 | |
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| 17 | Author: Szu-Tsung Cheng, stcheng@ic.Berkeley.EDU |
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| 18 | 10/92 |
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| 19 | 10/93 |
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| 20 | |
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| 21 | $Id: vl_write.c,v 1.6 2009/03/09 20:25:58 fabio Exp $ |
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| 22 | |
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| 23 | |
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| 24 | */ |
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| 25 | |
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| 26 | |
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| 27 | #include <stdio.h> |
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| 28 | #include <math.h> |
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| 29 | #include "util.h" |
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| 30 | #include "st.h" |
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| 31 | #include "array.h" |
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| 32 | #include "list.h" |
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| 33 | #include "set.h" |
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| 34 | #include "graph.h" |
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| 35 | #include "stack.h" |
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| 36 | #include "set.h" |
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| 37 | #include "vl_types.h" |
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| 38 | #include "vl_defs.h" |
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| 39 | #include "vlr_int.h" |
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| 40 | #include "vl_create.h" |
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| 41 | #include "vl_traverse.h" |
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| 42 | #include "vl_write.h" |
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| 43 | #include "vl_write_util.h" |
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| 44 | #include "vl_fg_defs.h" |
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| 45 | #include "vl_fg_types.h" |
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| 46 | #include "vl_flowgraph.h" |
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| 47 | #include "vl_mux.h" |
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| 48 | #include "vl_vardecl.h" |
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| 49 | #include "vl_edgedetector.h" |
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| 50 | #include "vl_nonblock.h" |
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| 51 | #include "verilog.h" |
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| 52 | #include <stdarg.h> |
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| 53 | |
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| 54 | |
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| 55 | extern vl_desc *mod_list; |
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| 56 | extern int ith_module; |
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| 57 | extern int dflow_analysis; |
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| 58 | extern int vlTimedSystem; |
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| 59 | extern int vis_nond_var; |
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| 60 | extern int vis_nond; |
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| 61 | |
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| 62 | extern int Warn_Uninitialized; |
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| 63 | extern int encodeTimer; |
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| 64 | |
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| 65 | static int WrtTrace = 0; |
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| 66 | static int Being_Conditioned=0; |
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| 67 | static int recordCombAlways=0; |
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| 68 | static array_t *assign_array=NIL(array_t); |
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| 69 | static st_table *auxSigST=NIL(st_table); |
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| 70 | int dumpSyncCkt = 0; |
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| 71 | int implicitClockWire = 0; |
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| 72 | int vl_noTimers = 0; |
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| 73 | int vl_preDeclare = 0; |
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| 74 | int debug_mode = 0; |
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| 75 | int Use_MV_Lib = 0; |
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| 76 | int set_notation = 1; |
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| 77 | int do_encoding = 0; |
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| 78 | int implicitDeclare = 1; |
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| 79 | int implicitClocking = 1; |
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| 80 | int instantiateAll = 1; |
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| 81 | int combinationalReduction = 0; |
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| 82 | int chk_IncompleteBranch = 1; |
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| 83 | int smartEvent = 1; |
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| 84 | int wireRegister = 0; |
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| 85 | int nd_check_ok = 0; |
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| 86 | int compatibleChecking = 0; |
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| 87 | int check_rhs_sensitivity = 1; |
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| 88 | int decomposeTable = DEFAULT_MAX_TABLE_SIZE; |
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| 89 | int Zconnection = 0; |
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| 90 | int NoDetailedComment = 0; |
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| 91 | int portPerLine = 20; |
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| 92 | double vl_expr_aux1_val=(double)0; |
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| 93 | double vl_expr_aux2_val=(double)0; |
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| 94 | double vl_expr_aux3_val=(double)0; |
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| 95 | int vl_expr_aux1_flag = 0; |
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| 96 | int vl_expr_aux2_flag = 0; |
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| 97 | int vl_expr_aux3_flag = 0; |
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| 98 | int silent_err = 0; |
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| 99 | int Vlerrno = 0; |
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| 100 | |
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| 101 | vl_module *vl_encloseModule; |
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| 102 | |
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| 103 | int lhs_hi, lhs_lo; |
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| 104 | vl_term *lhs_term=NIL(vl_term); |
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| 105 | int insideConcat=0; |
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| 106 | vl_term *Initial_Signal = NIL(vl_term); |
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| 107 | set_t *sensitiveList = NIL(set_t); |
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| 108 | vl_term *edge_triggering = NIL(vl_term); |
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| 109 | FILE *mv_file; |
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| 110 | int lhs_must_be_wire = 0; |
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| 111 | graph_t *vl_writeFlowGraph=NIL(graph_t); |
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| 112 | stack_t vl_pauseStack = (stack_t)0; |
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| 113 | lsList vl_current_pause_list = (lsList)0; |
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| 114 | lsList vl_current_vars_list = (lsList)0; |
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| 115 | vl_id_range *masterIdDfn = NIL(vl_id_range); |
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| 116 | char *cntxt_event; |
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| 117 | |
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| 118 | lsGen curModGen; |
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| 119 | lsHandle curModHandle; |
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| 120 | lsHandle *PcurModHandle; |
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| 121 | |
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| 122 | int rst_ckt = 0; |
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| 123 | int use_rst_ckt = 0; |
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| 124 | int mark_sel_var = 0; |
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| 125 | char *ctrl_syndrome = NIL(char); |
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| 126 | lsList ctrl_list; |
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| 127 | int ith_ctrl; |
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| 128 | char *rst_ctrl_syndrome = NIL(char); |
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| 129 | lsList rst_ctrl_list; |
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| 130 | int rst_ith_ctrl; |
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| 131 | st_table *vl_currentModule_combVar_st; |
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| 132 | |
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| 133 | static int in_procedure = 0; |
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| 134 | static st_table *vl_current_init_vars=NIL(st_table); |
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| 135 | static st_table *final_vars=NIL(st_table); |
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| 136 | array_t *cur_vars_array = NIL(array_t); |
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| 137 | |
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| 138 | static void vl_write_function_list ARGS((FILE *file)); |
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| 139 | static void vl_write_formal_argument ARGS((FILE *file)); |
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| 140 | static void vl_write_initial_generator ARGS((FILE *file)); |
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| 141 | static void vl_write_timer ARGS((FILE *file, lsList graph_list)); |
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| 142 | static void vl_write_encoding ARGS((FILE *file)); |
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| 143 | static void vl_write_prim_table ARGS((FILE *file, vl_primitive *prim, char *edge_detectors)); |
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| 144 | static void instantiate_prim_latch ARGS((FILE *file, st_table *sig_st)); |
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| 145 | static void instantiate_edge_detector ARGS((FILE *file, vl_primitive *prim)); |
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| 146 | static void non_block_assignment ARGS((FILE *file, st_table *vars)); |
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| 147 | static void quasi_cont_assignment ARGS((FILE *file)); |
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| 148 | static void vl_write_gate_inst_list ARGS((FILE *file, vl_gate_inst_list *gate_list)); |
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| 149 | static void vl_write_tesla_timer_inst_list ARGS((FILE *file, vl_gate_inst_list *gate_list)); |
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| 150 | static void vl_write_prim_inst_list ARGS((FILE *file, vl_mod_prim_inst_list *priminstlist)); |
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| 151 | static void vl_predefine_vars ARGS((FILE *file, st_table *vars)); |
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| 152 | static void vl_timed_init_mux ARGS((FILE *file, vl_term *ctrl_term, |
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| 153 | st_table *orig_vars, st_table *init_vars, |
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| 154 | st_table *feedback_vars)); |
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| 155 | static void vl_write_prim_inst ARGS((FILE *file, vl_primitive *master, |
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| 156 | vl_mod_prim_inst *inst)); |
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| 157 | static void vl_write_gate_inst ARGS((FILE *file, short type, vl_gate_inst *gate)); |
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| 158 | static void vl_write_tesla_timer_inst ARGS((FILE *file, vl_gate_inst *gate, |
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| 159 | int lb, int ub)); |
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| 160 | static void vl_register_pause ARGS((vertex_t *pause_node, st_table *old_vars)); |
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| 161 | static void vl_prioritize_sequence ARGS((FILE *file, lsList vars_list, |
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| 162 | lsList pause_list, |
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| 163 | st_table *result_st)); |
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| 164 | static void vl_write_vector_red_op ARGS((FILE *file, short type, |
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| 165 | vl_term *in, int inverted, |
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| 166 | vl_term *out)); |
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| 167 | |
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| 168 | enum st_retval vl_write_desc(char *name, char *value, char *arg) |
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| 169 | { |
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| 170 | |
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| 171 | if (!Initial_Signal) |
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| 172 | Initial_Signal = vl_create_term(vl_create_id_range(vlStrdup("_initial_"),NIL(vl_range)), 0, -1); |
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| 173 | |
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| 174 | if (((typestructPtr)value)->type == ModDecl) { |
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| 175 | vl_write_module(mv_file, (vl_module*)value); |
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| 176 | } else if (((typestructPtr)value)->type == CombPrimDecl || |
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| 177 | ((typestructPtr)value)->type == SeqPrimDecl) { |
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| 178 | vl_write_primitive(mv_file, (vl_primitive*)value); |
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| 179 | } |
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| 180 | |
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| 181 | |
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| 182 | name = name; |
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| 183 | arg = arg; |
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| 184 | return ST_CONTINUE; |
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| 185 | } |
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| 186 | |
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| 187 | void vl_write_module(FILE *file, vl_module *mod) |
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| 188 | { |
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| 189 | char *dummy; |
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| 190 | |
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| 191 | if (mod == NULL) return; |
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| 192 | if (st_lookup(mod_list->mod_holes, mod->name->name, &dummy)) return; |
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| 193 | |
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| 194 | ASSERT(mod->type==ModDecl, "Expecting ModDecl"); |
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| 195 | vl_currentModule = mod; |
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| 196 | WrtTRACE("writing module\n"); |
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| 197 | |
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| 198 | ctrl_syndrome = (char*)chk_malloc(mod->syndrome_width+1); |
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| 199 | memset(ctrl_syndrome, (int)'-', mod->syndrome_width); |
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| 200 | ctrl_syndrome[mod->syndrome_width] = '\0'; |
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| 201 | rst_ctrl_syndrome = (char*)chk_malloc(mod->rst_syndrome_width+1); |
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| 202 | memset(rst_ctrl_syndrome, (int)'-', mod->rst_syndrome_width); |
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| 203 | rst_ctrl_syndrome[mod->rst_syndrome_width] = '\0'; |
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| 204 | ctrl_list = lsCreate(); |
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| 205 | rst_ctrl_list = lsCreate(); |
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| 206 | ith_ctrl = 0; |
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| 207 | rst_ith_ctrl = 0; |
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| 208 | |
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| 209 | fprintf(file, "%s %s ", HSIS_MODEL, mod->name->name); |
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| 210 | vl_write_formal_argument(file); |
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| 211 | fprintf(file, "\n"); |
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| 212 | vl_write_io_list(file); |
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| 213 | vl_write_svar(file); |
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| 214 | vl_write_consts(file); |
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| 215 | if (vlTimedSystem || !implicitClocking) { |
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| 216 | vl_preDeclare = 1; |
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| 217 | vl_write_timer(file, mod->flow_graphs); |
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| 218 | } |
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| 219 | vl_write_mod_item_list(file, mod->mod_items); |
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| 220 | if (vlTimedSystem || !implicitClocking) { |
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| 221 | vl_preDeclare = 0; |
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| 222 | vl_write_timer(file, mod->flow_graphs); |
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| 223 | } |
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| 224 | vl_write_initial_generator(file); |
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| 225 | fprintf(file, ".end\n"); |
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| 226 | |
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| 227 | vl_write_function_list(file); |
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| 228 | vl_write_encoding(file); |
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| 229 | vl_currentModule = NIL(vl_module); |
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| 230 | |
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| 231 | lsDestroy(ctrl_list, 0); |
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| 232 | lsDestroy(rst_ctrl_list, 0); |
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| 233 | vl_chk_free(ctrl_syndrome); |
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| 234 | vl_chk_free(rst_ctrl_syndrome); |
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| 235 | ctrl_syndrome = NIL(char); |
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| 236 | rst_ctrl_syndrome = NIL(char); |
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| 237 | } |
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| 238 | |
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| 239 | |
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| 240 | void vl_write_primitive(FILE *file, vl_primitive *prim) |
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| 241 | { |
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| 242 | char *edge_detectors; |
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| 243 | |
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| 244 | if (prim == NULL) return; |
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| 245 | |
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| 246 | assert(prim->type==CombPrimDecl || prim->type==SeqPrimDecl); |
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| 247 | vl_currentPrimitive = prim; |
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| 248 | vl_currentModule = (vl_module*)prim; |
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| 249 | WrtTRACE("writing primitive\n"); |
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| 250 | |
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| 251 | fprintf(file, "%s %s\n", HSIS_MODEL, prim->name->name); |
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| 252 | vl_write_io_list(file); |
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| 253 | instantiate_prim_latch(file, prim->sig_st); |
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| 254 | vl_write_svar(file); |
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| 255 | edge_detectors = vl_write_prim_table_header(file, prim); |
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| 256 | vl_write_prim_table(file, prim, edge_detectors); |
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| 257 | instantiate_edge_detector(file, prim); |
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| 258 | fprintf(file, ".end\n\n\n"); |
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| 259 | |
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| 260 | vl_currentModule = NIL(vl_module); |
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| 261 | vl_currentPrimitive = NIL(vl_primitive); |
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| 262 | vl_chk_free(edge_detectors); |
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| 263 | } |
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| 264 | |
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| 265 | |
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| 266 | static void vl_write_function_list(FILE *file) |
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| 267 | { |
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| 268 | st_generator *gen; |
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| 269 | char *fname; |
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| 270 | vl_function *func_def; |
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| 271 | |
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| 272 | gen = st_init_gen(vl_currentModule->func_st); |
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| 273 | while (st_gen(gen, (char**)&fname, (char**)&func_def)) { |
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| 274 | vl_write_function(file, func_def); |
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| 275 | } |
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| 276 | st_free_gen(gen); |
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| 277 | } |
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| 278 | |
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| 279 | |
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| 280 | void vl_write_function(FILE *file, vl_function *func) |
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| 281 | { |
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| 282 | st_table *vars_touched; |
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| 283 | array_t *vars_array; |
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| 284 | vl_module *old_module; |
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| 285 | |
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| 286 | if (func == NIL(vl_function)) return; |
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| 287 | |
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| 288 | old_module = vl_currentModule; |
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| 289 | vl_encloseModule = vl_currentModule; |
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| 290 | vl_currentModule = (vl_module*)func; |
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| 291 | vl_currentFunction = func; |
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| 292 | vl_pauseStack = create_stack(); |
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| 293 | WrtTRACE("writing function\n"); |
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| 294 | |
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| 295 | vars_array = array_alloc(st_table*, 0); |
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| 296 | vars_touched = st_init_table(strcmp, st_strhash); |
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| 297 | |
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| 298 | fprintf(file, "%s %s ", HSIS_MODEL, func->name->name); |
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| 299 | vl_write_formal_argument(file); |
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| 300 | fprintf(file, "\n"); |
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| 301 | |
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| 302 | vl_write_io_list(file); |
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| 303 | vl_write_svar(file); |
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| 304 | vl_write_stmt_list(file, func->stmts, NO_MUX, NIL(vl_term), vars_touched); |
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| 305 | array_insert_last(st_table*, vars_array, vars_touched); |
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| 306 | func_conflict_arbitrator(file, vl_currentFunction->name, |
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| 307 | vars_array); |
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| 308 | fprintf(file, ".end\n\n\n"); |
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| 309 | vl_currentModule = old_module; |
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| 310 | vl_currentFunction = NIL(vl_function); |
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| 311 | vl_encloseModule = NIL(vl_module); |
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| 312 | destroy_stack(vl_pauseStack, 0); |
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| 313 | vl_pauseStack = (lsList)0; |
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| 314 | } |
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| 315 | |
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| 316 | |
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| 317 | static void vl_write_formal_argument(FILE *file) |
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| 318 | { |
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| 319 | } |
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| 320 | |
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| 321 | |
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| 322 | void vl_write_io_list(FILE *file) |
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| 323 | { |
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| 324 | st_generator *gen; |
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| 325 | char *key; |
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| 326 | vl_id_range *id_sym; |
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| 327 | int lo, hi; |
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| 328 | char *dir; |
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| 329 | lsGen ports_gen; |
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| 330 | lsHandle port_handle, port_id_handle; |
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| 331 | vl_port *port; |
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| 332 | vl_id_range *port_id, *port_id_sym; |
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| 333 | int ithItem; |
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| 334 | |
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| 335 | fprintf(file, "%s I/O ports\n", HSIS_COMMENT); |
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| 336 | |
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| 337 | if (vl_currentModule->flags & WithInitial) |
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| 338 | if (ith_module!=0) |
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| 339 | if (use_rst_ckt) |
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| 340 | fprintf(file,".inputs %s\n", Initial_Signal->name->name); |
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| 341 | |
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| 342 | |
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| 343 | if (vl_currentModule->ports) { |
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| 344 | ports_gen = lsStart(vl_currentModule->ports); |
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| 345 | while (lsNext(ports_gen,(lsGeneric*)&port,&port_handle) != LS_NOMORE) { |
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| 346 | if (!vl_currentFunction) { |
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| 347 | if (!port->port_exp) continue; |
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| 348 | lsFirstItem(port->port_exp, (lsGeneric*)&port_id, |
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| 349 | &port_id_handle); |
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| 350 | } else |
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| 351 | port_id = (vl_id_range*)port; |
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| 352 | if (!st_lookup(vl_currentModule->sig_st, |
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| 353 | port_id->name, (char**)&port_id_sym)) { |
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| 354 | char buf[MAXSTRLEN]; |
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| 355 | yylineno = -1; |
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| 356 | sprintf(buf, "port %s is not defined in module %s", |
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| 357 | port_id->name, vl_currentModule->name->name); |
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| 358 | compile_error(buf); |
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| 359 | } |
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| 360 | |
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| 361 | if (!(port_id_sym->flags & InPort) && |
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| 362 | !(port_id_sym->flags & OutPort)) { |
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| 363 | char buf[MAXSTRLEN]; |
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| 364 | yylineno = -1; |
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| 365 | sprintf(buf, "port %s has no direction in module %s", |
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| 366 | port_id->name, vl_currentModule->name->name); |
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| 367 | compile_error(buf); |
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| 368 | } |
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| 369 | } |
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| 370 | lsFinish(ports_gen); |
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| 371 | } |
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| 372 | |
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| 373 | ithItem = 0; |
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| 374 | gen = st_init_gen(vl_currentModule->sig_st); |
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| 375 | while (st_gen(gen, (char**)&key, (char**)&id_sym)) { |
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| 376 | if (!(id_sym->flags & InPort) && !(id_sym->flags & OutPort)) |
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| 377 | continue; |
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| 378 | |
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| 379 | if (strstr(id_sym->name, SEP_LATCH)) continue; |
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| 380 | if (strstr(id_sym->name, SEP_QUASI)) continue; |
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| 381 | |
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| 382 | |
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| 383 | if (!vl_currentFunction && implicitClocking && !vlTimedSystem) { |
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| 384 | if (vl_currentModule->clk) { |
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| 385 | if (!strcmp(vl_currentModule->clk->expr->u.name->name, |
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| 386 | key) && |
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| 387 | !vl_currentPrimitive) { |
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| 388 | if (!implicitClockWire) |
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| 389 | continue; |
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| 390 | } |
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| 391 | } else { |
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| 392 | if (!strcmp(key, CLOCK)) { |
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| 393 | if (!implicitClockWire) |
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| 394 | continue; |
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| 395 | } |
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| 396 | } |
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| 397 | } |
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| 398 | |
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| 399 | dir = (id_sym->flags & InPort) ? ".inputs":".outputs"; |
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| 400 | if (id_sym->flags & MVar) { |
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| 401 | declare_mvar_io(file, dir, id_sym); |
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| 402 | } else { |
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| 403 | get_hilo(id_sym, &hi, &lo); |
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| 404 | if (lo > hi) { |
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| 405 | declare_bin_scalar_io(file, dir, id_sym); |
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| 406 | } else { |
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| 407 | declare_bin_vector_io(file, dir, id_sym); |
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| 408 | } |
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| 409 | } |
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| 410 | } |
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| 411 | st_free_gen(gen); |
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| 412 | |
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| 413 | } |
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| 414 | |
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| 415 | void vl_write_svar(FILE *file) |
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| 416 | { |
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| 417 | st_generator *gen; |
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| 418 | char *key; |
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| 419 | vl_id_range *id_sym; |
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| 420 | lsList domain; |
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| 421 | int lo, hi; |
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| 422 | |
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| 423 | gen = st_init_gen(vl_currentModule->sig_st); |
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| 424 | while (st_gen(gen, &key, (char**)&id_sym)) { |
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| 425 | vl_enumerator *enum_elt; |
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| 426 | lsGen enum_gen; |
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| 427 | lsHandle enum_handle; |
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| 428 | int j; |
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| 429 | |
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| 430 | if (str_matchtail(id_sym->name,SEP_LATCH)) continue; |
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| 431 | |
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| 432 | |
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| 433 | if (!vl_currentFunction && implicitClocking && !vlTimedSystem) { |
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| 434 | if (vl_currentModule->clk) { |
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| 435 | if (!strcmp(vl_currentModule->clk->expr->u.name->name, key) && |
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| 436 | !vl_currentPrimitive) { |
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| 437 | if (!implicitClockWire) |
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| 438 | continue; |
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| 439 | else |
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| 440 | fprintf(file, "%s %s ;\n", SMV_CLOCK, |
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| 441 | vl_currentModule->clk->expr->u.name->name); |
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| 442 | } |
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| 443 | } |
---|
| 444 | } |
---|
| 445 | |
---|
| 446 | if (!(id_sym->flags & MVar)) { |
---|
| 447 | continue; |
---|
| 448 | } |
---|
| 449 | |
---|
| 450 | if (!id_sym->range) { |
---|
| 451 | domain = id_sym->id_type->specifier->u.enum_type->domain_list; |
---|
| 452 | get_hilo(id_sym, &hi, &lo); |
---|
| 453 | fprintf(file, ".mv %s %d ", id_sym->name, lsLength(domain)); |
---|
| 454 | for (enum_gen=lsStart(domain), j=0; |
---|
| 455 | lsNext(enum_gen,(lsGeneric*)&enum_elt,&enum_handle)!= |
---|
| 456 | LS_NOMORE; |
---|
| 457 | j++) { |
---|
| 458 | fprintf(file, "%s ", enum_elt->name); |
---|
| 459 | } |
---|
| 460 | lsFinish(enum_gen); |
---|
| 461 | fprintf(file, "\n"); |
---|
| 462 | } else { |
---|
| 463 | int idx_hi, idx_lo, idx; |
---|
| 464 | idx_lo = vl_eval_expr(id_sym->range->left); |
---|
| 465 | if (id_sym->range->right) |
---|
| 466 | idx_hi = vl_eval_expr(id_sym->range->right); |
---|
| 467 | else |
---|
| 468 | idx_hi = idx_lo; |
---|
| 469 | for (idx=idx_lo; idx<=idx_hi; idx++) { |
---|
| 470 | domain = id_sym->id_type->specifier->u.enum_type->domain_list; |
---|
| 471 | get_hilo(id_sym, &hi, &lo); |
---|
| 472 | fprintf(file, ".mv %s%s%d%s %d ", |
---|
| 473 | id_sym->name, SEP_LARRAY, idx, SEP_RARRAY, |
---|
| 474 | lsLength(domain)); |
---|
| 475 | for (enum_gen=lsStart(domain); |
---|
| 476 | lsNext(enum_gen,(lsGeneric*)&enum_elt,&enum_handle)!= |
---|
| 477 | LS_NOMORE;) { |
---|
| 478 | fprintf(file, "%s ", enum_elt->name); |
---|
| 479 | } |
---|
| 480 | lsFinish(enum_gen); |
---|
| 481 | fprintf(file, "\n"); |
---|
| 482 | } |
---|
| 483 | } |
---|
| 484 | } |
---|
| 485 | st_free_gen(gen); |
---|
| 486 | } |
---|
| 487 | |
---|
| 488 | void vl_write_mod_item_list (FILE *file, lsList mitems) |
---|
| 489 | { |
---|
| 490 | vl_decl *item; |
---|
| 491 | lsHandle fg_handle; |
---|
| 492 | lsGen fg_gen; |
---|
| 493 | array_t *vars_array; |
---|
| 494 | st_table *var_touched, *final_vars; |
---|
| 495 | st_table *comb_st, *tmp_st; |
---|
| 496 | st_table *old_sensitiveList; |
---|
| 497 | |
---|
| 498 | WrtTRACE("writing Module Items\n"); |
---|
| 499 | |
---|
| 500 | vars_array = array_alloc(st_table*, 0); |
---|
| 501 | cur_vars_array = vars_array; |
---|
| 502 | vl_currentModule_combVar_st = comb_st = st_init_table(strcmp, st_strhash); |
---|
| 503 | if (mitems != (lsList)0) { |
---|
| 504 | for (curModGen = lsStart(mitems), |
---|
| 505 | fg_gen = lsStart(vl_currentModule->flow_graphs); |
---|
| 506 | lsNext(curModGen, (lsGeneric*)&item, &curModHandle) != |
---|
| 507 | LS_NOMORE; ) { |
---|
| 508 | PcurModHandle = &curModHandle; |
---|
| 509 | if (((vl_decl*)item)->type == AlwaysStmt) |
---|
| 510 | lsNext(fg_gen, (lsGeneric*)&vl_writeFlowGraph, &fg_handle); |
---|
| 511 | else |
---|
| 512 | vl_writeFlowGraph = NIL(graph_t); |
---|
| 513 | |
---|
| 514 | |
---|
| 515 | old_sensitiveList = sensitiveList; |
---|
| 516 | recordCombAlways = 0; |
---|
| 517 | |
---|
| 518 | if ((sensitiveList= |
---|
| 519 | fg_graph_has_one_data_detector(vl_writeFlowGraph)) && |
---|
| 520 | combinationalReduction && implicitClocking) { |
---|
| 521 | vl_currentModule->combVar_st = tmp_st = |
---|
| 522 | st_init_table(strcmp, st_strhash); |
---|
| 523 | recordCombAlways = 1; |
---|
| 524 | } else { |
---|
| 525 | vl_currentModule->combVar_st = tmp_st = NIL(st_table); |
---|
| 526 | } |
---|
| 527 | |
---|
| 528 | var_touched = vl_write_mod_item(file, item, NIL(st_table)); |
---|
| 529 | vl_writeFlowGraph = NIL(graph_t); |
---|
| 530 | if (var_touched) { |
---|
| 531 | array_insert_last(st_table*, vars_array, var_touched); |
---|
| 532 | } |
---|
| 533 | |
---|
| 534 | |
---|
| 535 | if (!vl_currentModule->combVar_st) { |
---|
| 536 | st_generator *gen; |
---|
| 537 | char *key; |
---|
| 538 | char *dummy; |
---|
| 539 | if (var_touched) { |
---|
| 540 | gen = st_init_gen(var_touched); |
---|
| 541 | while (st_gen(gen, &key, (char**)&dummy)) |
---|
| 542 | if (!st_lookup(vl_currentModule->seqVar_st, |
---|
| 543 | key, &dummy)) |
---|
| 544 | st_insert(vl_currentModule->seqVar_st, |
---|
| 545 | key, (char*)0); |
---|
| 546 | st_free_gen(gen); |
---|
| 547 | } |
---|
| 548 | } |
---|
| 549 | |
---|
| 550 | |
---|
| 551 | if (tmp_st) { |
---|
| 552 | if (vl_currentModule->combVar_st) { |
---|
| 553 | |
---|
| 554 | st_generator *gen; |
---|
| 555 | vl_id_range *id_sym; |
---|
| 556 | char *key; |
---|
| 557 | gen = st_init_gen(vl_currentModule->combVar_st); |
---|
| 558 | while (st_gen(gen, &key, (char**)&id_sym)) { |
---|
| 559 | st_insert(comb_st, key, (char*)id_sym); |
---|
| 560 | |
---|
| 561 | } |
---|
| 562 | st_free_gen(gen); |
---|
| 563 | } |
---|
| 564 | st_free_table(tmp_st); |
---|
| 565 | } |
---|
| 566 | |
---|
| 567 | sensitiveList = old_sensitiveList; |
---|
| 568 | } |
---|
| 569 | (void) lsFinish(fg_gen); |
---|
| 570 | } |
---|
| 571 | |
---|
| 572 | vl_currentModule->combVar_st = comb_st; |
---|
| 573 | vl_currentModule_combVar_st = NIL(st_table); |
---|
| 574 | final_vars = conflict_arbitrator(file, vars_array); |
---|
| 575 | non_block_assignment(file, final_vars); |
---|
| 576 | instantiate_latch(file, final_vars); |
---|
| 577 | quasi_cont_assignment(file); |
---|
| 578 | cur_vars_array = NIL(array_t); |
---|
| 579 | } |
---|
| 580 | |
---|
| 581 | |
---|
| 582 | char *vl_write_prim_table_header(FILE *file, vl_primitive *prim) |
---|
| 583 | { |
---|
| 584 | lsGen port_gen; |
---|
| 585 | vl_port *port; |
---|
| 586 | lsHandle port_handle, port_id_handle; |
---|
| 587 | vl_id_range *port_id, *port_id_sym; |
---|
| 588 | int ith_port=0; |
---|
| 589 | char *retval; |
---|
| 590 | |
---|
| 591 | fprintf(file, ".names "); |
---|
| 592 | |
---|
| 593 | retval = (char*)chk_malloc(lsLength(prim->ports)+1); |
---|
| 594 | |
---|
| 595 | port_gen = lsStart(prim->ports); |
---|
| 596 | while (lsNext(port_gen, (lsGeneric*)&port, &port_handle) != LS_NOMORE) { |
---|
| 597 | lsFirstItem(port->port_exp, (lsGeneric*)&port_id, &port_id_handle); |
---|
| 598 | if (!st_lookup(prim->sig_st, port_id->name, (char**)&port_id_sym)) { |
---|
| 599 | char buf[MAXSTRLEN]; |
---|
| 600 | yylineno = -1; |
---|
| 601 | sprintf(buf, "port %s is not defined in primitive %s", |
---|
| 602 | port_id->name, vl_currentModule->name->name); |
---|
| 603 | compile_error(buf); |
---|
| 604 | } |
---|
| 605 | |
---|
| 606 | retval[ith_port] = 0; |
---|
| 607 | if (prim->type ==SeqPrimDecl) { |
---|
| 608 | if (port_id_sym->flags & InPort) { |
---|
| 609 | if (need_edge_detector(prim->entries, ith_port)) { |
---|
| 610 | port_id_sym->flags |= EdgeDetector; |
---|
| 611 | fprintf(file, "%s%s %s ", |
---|
| 612 | port_id_sym->name, PIN_DELAYED, port_id_sym->name); |
---|
| 613 | retval[ith_port] = 1; |
---|
| 614 | } else { |
---|
| 615 | fprintf(file, "%s ", port_id_sym->name); |
---|
| 616 | } |
---|
| 617 | ith_port++; |
---|
| 618 | } |
---|
| 619 | } else { |
---|
| 620 | if (port_id_sym->flags & InPort) { |
---|
| 621 | fprintf(file, "%s ", port_id_sym->name); |
---|
| 622 | ith_port++; |
---|
| 623 | } |
---|
| 624 | } |
---|
| 625 | } |
---|
| 626 | lsFinish(port_gen); |
---|
| 627 | |
---|
| 628 | port_gen = lsStart(prim->ports); |
---|
| 629 | while (lsNext(port_gen, (lsGeneric*)&port, &port_handle) != LS_NOMORE) { |
---|
| 630 | lsFirstItem(port->port_exp, (lsGeneric*)&port_id, &port_id_handle); |
---|
| 631 | st_lookup(prim->sig_st, port_id->name, (char**)&port_id_sym); |
---|
| 632 | |
---|
| 633 | if (port_id_sym->flags & OutPort) { |
---|
| 634 | if (prim->type == SeqPrimDecl) |
---|
| 635 | fprintf(file, "%s %s%s\n", port_id_sym->name, |
---|
| 636 | port_id_sym->name, SEP_LATCH); |
---|
| 637 | else |
---|
| 638 | fprintf(file, "%s\n", port_id_sym->name); |
---|
| 639 | } |
---|
| 640 | } |
---|
| 641 | lsFinish(port_gen); |
---|
| 642 | |
---|
| 643 | return retval; |
---|
| 644 | } |
---|
| 645 | |
---|
| 646 | |
---|
| 647 | static void vl_write_prim_table(FILE *file, vl_primitive *prim, char *edge_detectors) |
---|
| 648 | { |
---|
| 649 | vl_prim_entry *e; |
---|
| 650 | int i, bin, c, num_combination, ith_dup; |
---|
| 651 | lsHandle handle; |
---|
| 652 | lsGen gen; |
---|
| 653 | |
---|
| 654 | if (prim->entries == NULL) return; |
---|
| 655 | |
---|
| 656 | WrtTRACE("Writing primitive table\n"); |
---|
| 657 | for(gen = lsStart(prim->entries); |
---|
| 658 | lsNext(gen, (lsGeneric*)&e, &handle) != LS_NOMORE; ) { |
---|
| 659 | for (i=0, num_combination=1; i<10; i++) { |
---|
| 660 | if (e->inputs[i] == PrimNone) |
---|
| 661 | break; |
---|
| 662 | else { |
---|
| 663 | if (!(IS_TRANSITION(e->inputs[i]) || !edge_detectors[i])) |
---|
| 664 | if (!strcmp(vl_translate_prim_symbol(e->inputs[i]),"-")) |
---|
| 665 | num_combination <<= 1; |
---|
| 666 | } |
---|
| 667 | } |
---|
| 668 | |
---|
| 669 | for (c=0; c<num_combination; c++) { |
---|
| 670 | bin=0; |
---|
| 671 | dump_entry: |
---|
| 672 | ith_dup=0; |
---|
| 673 | for (i=0; i<10; i++) { |
---|
| 674 | if (e->inputs[i] == PrimNone) |
---|
| 675 | break; |
---|
| 676 | else { |
---|
| 677 | if (IS_TRANSITION(e->inputs[i]) || !edge_detectors[i]) |
---|
| 678 | fprintf(file,"%s ", |
---|
| 679 | vl_translate_prim_symbol(e->inputs[i])); |
---|
| 680 | else if (!strcmp(vl_translate_prim_symbol(e->inputs[i]), |
---|
| 681 | "-")) { |
---|
| 682 | fprintf(file, "%d %d ", (c>>ith_dup)&1,(c>>ith_dup)&1); |
---|
| 683 | ith_dup++; |
---|
| 684 | } else |
---|
| 685 | fprintf(file,"%s %s ", |
---|
| 686 | vl_translate_prim_symbol(e->inputs[i]), |
---|
| 687 | vl_translate_prim_symbol(e->inputs[i])); |
---|
| 688 | } |
---|
| 689 | } |
---|
| 690 | |
---|
| 691 | if (prim->type == SeqPrimDecl && e->next_state == PrimM) { |
---|
| 692 | if (!strcmp(vl_translate_prim_symbol(e->next_state), "-")) { |
---|
| 693 | fprintf(file, "%d %d\n", bin, bin); |
---|
| 694 | if (bin++ < 1) goto dump_entry; |
---|
| 695 | } else { |
---|
| 696 | fprintf(file, "%s %s\n", |
---|
| 697 | vl_translate_prim_symbol(e->state), |
---|
| 698 | vl_translate_prim_symbol(e->state)); |
---|
| 699 | } |
---|
| 700 | continue; |
---|
| 701 | } |
---|
| 702 | |
---|
| 703 | if (prim->type == SeqPrimDecl) |
---|
| 704 | fprintf(file, "%s ", vl_translate_prim_symbol(e->state)); |
---|
| 705 | |
---|
| 706 | fprintf(file, "%s ", vl_translate_prim_symbol(e->next_state)); |
---|
| 707 | fprintf(file, "%s\n", vl_translate_prim_symbol(e->state)); |
---|
| 708 | } |
---|
| 709 | } |
---|
| 710 | (void) lsFinish(gen); |
---|
| 711 | } |
---|
| 712 | |
---|
| 713 | |
---|
| 714 | st_table *vl_write_mod_item(FILE *file, vl_decl *item, st_table *other_vars) |
---|
| 715 | { |
---|
| 716 | st_table *var_touched=NIL(st_table); |
---|
| 717 | vl_term *ctrl_term; |
---|
| 718 | |
---|
| 719 | switch(item->type) { |
---|
| 720 | |
---|
| 721 | case RealDecl: case EventDecl: |
---|
| 722 | break; |
---|
| 723 | |
---|
| 724 | case IntDecl: case TimeDecl: |
---|
| 725 | break; |
---|
| 726 | |
---|
| 727 | case InputDecl: case OutputDecl: |
---|
| 728 | case InoutDecl: case RegDecl: |
---|
| 729 | break; |
---|
| 730 | |
---|
| 731 | case ParamDecl: case DefparamDecl: |
---|
| 732 | break; |
---|
| 733 | |
---|
| 734 | |
---|
| 735 | case WireDecl: |
---|
| 736 | var_touched = st_init_table(strcmp, st_strhash); |
---|
| 737 | vl_write_wiring_assign(file, (vl_netdecl*)item, var_touched); |
---|
| 738 | break; |
---|
| 739 | |
---|
| 740 | |
---|
| 741 | case TriDecl: |
---|
| 742 | case Tri0Decl: case Tri1Decl: |
---|
| 743 | case Supply0Decl: case Supply1Decl: |
---|
| 744 | case WandDecl: case TriandDecl: |
---|
| 745 | case WorDecl: case TriorDecl: |
---|
| 746 | case TriregDecl: |
---|
| 747 | break; |
---|
| 748 | |
---|
| 749 | case ContAssign: |
---|
| 750 | var_touched = st_init_table(strcmp, st_strhash); |
---|
| 751 | vl_write_cont_assign(file, (vl_cont_assign*)item, var_touched); |
---|
| 752 | break; |
---|
| 753 | |
---|
| 754 | case TaskDecl: |
---|
| 755 | break; |
---|
| 756 | |
---|
| 757 | case IntFuncDecl: { |
---|
| 758 | char buf[MAXSTRLEN]; |
---|
| 759 | sprintf(buf, "'%s': can handle int function %s yet", |
---|
| 760 | vl_currentModule->name->name, |
---|
| 761 | ((vl_function*)item)->name->name); |
---|
| 762 | Translate_Warning(buf); |
---|
| 763 | break; |
---|
| 764 | } |
---|
| 765 | case RealFuncDecl: { |
---|
| 766 | char buf[MAXSTRLEN]; |
---|
| 767 | sprintf(buf, "'%s': can handle real function %s yet", |
---|
| 768 | vl_currentModule->name->name, |
---|
| 769 | ((vl_function*)item)->name->name); |
---|
| 770 | Translate_Warning(buf); |
---|
| 771 | break; |
---|
| 772 | } |
---|
| 773 | |
---|
| 774 | case RangeFuncDecl: |
---|
| 775 | break; |
---|
| 776 | |
---|
| 777 | case AndGate: case NandGate: |
---|
| 778 | case OrGate: case NorGate: |
---|
| 779 | case XorGate: case XnorGate: |
---|
| 780 | case BufGate: case Bufif0Gate: |
---|
| 781 | case Bufif1Gate: case NotGate: |
---|
| 782 | case Notif0Gate: case Notif1Gate: |
---|
| 783 | case PulldownGate: case PullupGate: |
---|
| 784 | case NmosGate: case RnmosGate: |
---|
| 785 | case PmosGate: case RpmosGate: |
---|
| 786 | case CmosGate: case RcmosGate: |
---|
| 787 | case TranGate: case RtranGate: |
---|
| 788 | case Tranif0Gate: case Rtranif0Gate: |
---|
| 789 | case Tranif1Gate: case Rtranif1Gate: |
---|
| 790 | vl_write_gate_inst_list(file, (vl_gate_inst_list*)item); |
---|
| 791 | break; |
---|
| 792 | |
---|
| 793 | case TeslaTimerGate: |
---|
| 794 | vl_write_tesla_timer_inst_list(file, (vl_gate_inst_list*)item); |
---|
| 795 | break; |
---|
| 796 | |
---|
| 797 | case ModInst: { |
---|
| 798 | char *mp; |
---|
| 799 | |
---|
| 800 | if (st_lookup(vl_description->mp_st, |
---|
| 801 | ((vl_mod_prim_inst_list *)item)->name->name, |
---|
| 802 | &mp)) { |
---|
| 803 | if (((typestructPtr)mp)->type == CombPrimDecl || |
---|
| 804 | ((typestructPtr)mp)->type == SeqPrimDecl) |
---|
| 805 | goto write_prim_inst; |
---|
| 806 | } |
---|
| 807 | } |
---|
| 808 | |
---|
| 809 | vl_write_mod_inst_list(file, (vl_mod_prim_inst_list*)item); |
---|
| 810 | break; |
---|
| 811 | |
---|
| 812 | write_prim_inst: |
---|
| 813 | |
---|
| 814 | case PrimInst: |
---|
| 815 | vl_write_prim_inst_list(file, (vl_mod_prim_inst_list*)item); |
---|
| 816 | break; |
---|
| 817 | |
---|
| 818 | case InitialStmt: |
---|
| 819 | vl_write_reset(file, (vl_procstmt*)item); |
---|
| 820 | break; |
---|
| 821 | case AlwaysStmt: |
---|
| 822 | if (((fg_graph_info*)vl_writeFlowGraph->user_data)->fg_id == -1) { |
---|
| 823 | fg_new_fg_id(); |
---|
| 824 | ((fg_graph_info*)vl_writeFlowGraph->user_data)->fg_id = fg_fg_id(); |
---|
| 825 | } else { |
---|
| 826 | fg_set_fg_id(((fg_graph_info*)vl_writeFlowGraph->user_data) |
---|
| 827 | ->fg_id); |
---|
| 828 | } |
---|
| 829 | var_touched = st_init_table(strcmp, st_strhash); |
---|
| 830 | if (vlTimedSystem) { |
---|
| 831 | vl_current_init_vars = st_init_table(strcmp, st_strhash); |
---|
| 832 | vl_predefine_vars(file, var_touched); |
---|
| 833 | } |
---|
| 834 | var_touched = vl_write_procstmt(file, (vl_procstmt*)item, var_touched); |
---|
| 835 | if (vlTimedSystem) { |
---|
| 836 | |
---|
| 837 | ctrl_term = test_against_lc_init(file); |
---|
| 838 | if (final_vars && vlTimedSystem) |
---|
| 839 | vl_timed_init_mux(file, ctrl_term, NIL(st_table), |
---|
| 840 | vl_current_init_vars, final_vars); |
---|
| 841 | else |
---|
| 842 | vl_timed_init_mux(file, ctrl_term, NIL(st_table), |
---|
| 843 | vl_current_init_vars, var_touched); |
---|
| 844 | final_vars = NIL(st_table); |
---|
| 845 | st_free_table(vl_current_init_vars); |
---|
| 846 | vl_current_init_vars = NIL(st_table); |
---|
| 847 | } |
---|
| 848 | fg_associate_id_vars(fg_fg_id(), var_touched); |
---|
| 849 | break; |
---|
| 850 | |
---|
| 851 | default: |
---|
| 852 | internal_error("Unexpected Module Item"); |
---|
| 853 | break; |
---|
| 854 | } |
---|
| 855 | |
---|
| 856 | |
---|
| 857 | other_vars = other_vars; |
---|
| 858 | |
---|
| 859 | return var_touched; |
---|
| 860 | } |
---|
| 861 | |
---|
| 862 | void vl_write_mod_inst_list(FILE *file, vl_mod_prim_inst_list *modinstlist) |
---|
| 863 | |
---|
| 864 | { |
---|
| 865 | vl_module *mod; |
---|
| 866 | vl_mod_prim_inst *modinst; |
---|
| 867 | |
---|
| 868 | if (st_lookup(mod_list->mp_st, |
---|
| 869 | modinstlist->name->name, (char**)&mod)) { |
---|
| 870 | lsGen gen; |
---|
| 871 | lsHandle handle; |
---|
| 872 | |
---|
| 873 | gen = lsStart(modinstlist->mps); |
---|
| 874 | if (lsNext(gen, (lsGeneric*)&modinst, &handle) == LS_OK) { |
---|
| 875 | vl_write_mod_inst(file, mod, modinst); |
---|
| 876 | while (lsNext(gen, (lsGeneric*)&modinst, &handle) != LS_NOMORE) { |
---|
| 877 | vl_write_mod_inst(file, mod, modinst); |
---|
| 878 | } |
---|
| 879 | } |
---|
| 880 | lsFinish(gen); |
---|
| 881 | } else { |
---|
| 882 | char msg[MAXSTRLEN]; |
---|
| 883 | |
---|
| 884 | sprintf(msg, |
---|
| 885 | "module %s used without definition", modinstlist->name->name); |
---|
| 886 | Translate_Warning(msg); |
---|
| 887 | } |
---|
| 888 | } |
---|
| 889 | |
---|
| 890 | |
---|
| 891 | static void vl_write_prim_inst_list(FILE *file, vl_mod_prim_inst_list *priminstlist) |
---|
| 892 | { |
---|
| 893 | vl_primitive *prim; |
---|
| 894 | vl_mod_prim_inst *priminst; |
---|
| 895 | |
---|
| 896 | if (st_lookup(mod_list->mp_st, |
---|
| 897 | priminstlist->name->name, (char**)&prim)) { |
---|
| 898 | lsGen gen; |
---|
| 899 | lsHandle handle; |
---|
| 900 | |
---|
| 901 | gen = lsStart(priminstlist->mps); |
---|
| 902 | if (lsNext(gen, (lsGeneric*)&priminst, &handle) == LS_OK) { |
---|
| 903 | vl_write_prim_inst(file, prim, priminst); |
---|
| 904 | while (lsNext(gen, (lsGeneric*)&priminst, &handle) != LS_NOMORE) { |
---|
| 905 | vl_write_prim_inst(file, prim, priminst); |
---|
| 906 | } |
---|
| 907 | } |
---|
| 908 | lsFinish(gen); |
---|
| 909 | } else { |
---|
| 910 | char msg[MAXSTRLEN]; |
---|
| 911 | |
---|
| 912 | sprintf(msg, "primitive %s is used without definition", |
---|
| 913 | priminstlist->name->name); |
---|
| 914 | Translate_Warning(msg); |
---|
| 915 | } |
---|
| 916 | } |
---|
| 917 | |
---|
| 918 | |
---|
| 919 | static void vl_write_gate_inst_list(FILE *file, vl_gate_inst_list *gate_list) |
---|
| 920 | { |
---|
| 921 | vl_gate_inst *gate; |
---|
| 922 | lsGen gen; |
---|
| 923 | lsHandle handle; |
---|
| 924 | |
---|
| 925 | gen = lsStart(gate_list->gates); |
---|
| 926 | if (lsNext(gen, (lsGeneric*)&gate, &handle) == LS_OK) { |
---|
| 927 | vl_write_gate_inst(file, gate_list->type, gate); |
---|
| 928 | while(lsNext(gen, (lsGeneric*)&gate, &handle) != LS_NOMORE) { |
---|
| 929 | vl_write_gate_inst(file, gate_list->type, gate); |
---|
| 930 | } |
---|
| 931 | } |
---|
| 932 | (void) lsFinish(gen); |
---|
| 933 | } |
---|
| 934 | |
---|
| 935 | |
---|
| 936 | static void vl_write_tesla_timer_inst_list(FILE *file, |
---|
| 937 | vl_gate_inst_list *gate_list) |
---|
| 938 | { |
---|
| 939 | vl_gate_inst *gate; |
---|
| 940 | lsGen gen; |
---|
| 941 | lsHandle handle; |
---|
| 942 | int lb=0, ub=0; |
---|
| 943 | |
---|
| 944 | if (!gate_list->delays) { |
---|
| 945 | char buf[MAXSTRLEN]; |
---|
| 946 | sprintf(buf, "%s:teslaTimer needs #(LB:UB) delay specified", |
---|
| 947 | vl_currentModule->name->name); |
---|
| 948 | Translate_Warning(buf); |
---|
| 949 | } |
---|
| 950 | if (gate_list->delays->delay1->type == IntExpr) { |
---|
| 951 | char buf[MAXSTRLEN]; |
---|
| 952 | sprintf(buf, "%s:teslaTimer needs #(LB:UB) delay specified", |
---|
| 953 | vl_currentModule->name->name); |
---|
| 954 | Translate_Warning(buf); |
---|
| 955 | } |
---|
| 956 | |
---|
| 957 | lb = vl_eval_expr(gate_list->delays->delay1->u.exprs.e1); |
---|
| 958 | ub = vl_eval_expr(gate_list->delays->delay1->u.exprs.e2); |
---|
| 959 | for (gen=lsStart(gate_list->gates); |
---|
| 960 | lsNext(gen, (lsGeneric*)&gate, &handle)!=LS_NOMORE; ) { |
---|
| 961 | vl_write_tesla_timer_inst(file, gate, lb, ub); |
---|
| 962 | } |
---|
| 963 | (void) lsFinish(gen); |
---|
| 964 | } |
---|
| 965 | |
---|
| 966 | |
---|
| 967 | void vl_write_mod_inst(FILE *file, vl_module *master, vl_mod_prim_inst *inst) |
---|
| 968 | { |
---|
| 969 | int lo, hi; |
---|
| 970 | int constConnection; |
---|
| 971 | lsHandle inst_handle, mast_handle; |
---|
| 972 | lsGen inst_gen, mast_gen; |
---|
| 973 | vl_port_connect *inst_item; |
---|
| 974 | vl_port *mast_item; |
---|
| 975 | vl_expr *old_item_expr; |
---|
| 976 | lsList input_consts; |
---|
| 977 | const_term *ct; |
---|
| 978 | vl_enumerator *enum_elt; |
---|
| 979 | int ith_port; |
---|
| 980 | st_generator *stgen; |
---|
| 981 | char *key; |
---|
| 982 | int dummy; |
---|
| 983 | lsList back_patch_list; |
---|
| 984 | lsGen backgen; |
---|
| 985 | lsHandle backhandle; |
---|
| 986 | vl_expr *backexpr; |
---|
| 987 | char modbuf[MAXSTRLEN*8]; |
---|
| 988 | char workbuf[MAXSTRLEN]; |
---|
| 989 | |
---|
| 990 | if (inst->name) |
---|
| 991 | sprintf(modbuf, ".subckt %s %s ", |
---|
| 992 | master->name->name, inst->name->name); |
---|
| 993 | else |
---|
| 994 | sprintf(modbuf, ".subckt %s %s ", |
---|
| 995 | master->name->name, new_termname()); |
---|
| 996 | |
---|
| 997 | if (master->flags & WithInitial) { |
---|
| 998 | if (use_rst_ckt) { |
---|
| 999 | sprintf(workbuf, "%s=%s ", |
---|
| 1000 | Initial_Signal->name->name, Initial_Signal->name->name); |
---|
| 1001 | strcat(modbuf, workbuf); |
---|
| 1002 | } |
---|
| 1003 | } |
---|
| 1004 | |
---|
| 1005 | if (inst->ports && master->ports) { |
---|
| 1006 | lsHandle handle; |
---|
| 1007 | lsGen gen; |
---|
| 1008 | vl_id_range *id, *cur_sig; |
---|
| 1009 | int named_connection; |
---|
| 1010 | |
---|
| 1011 | |
---|
| 1012 | |
---|
| 1013 | input_consts = lsCreate(); |
---|
| 1014 | back_patch_list = lsCreate(); |
---|
| 1015 | auxSigST = st_init_table(strcmp, st_strhash); |
---|
| 1016 | |
---|
| 1017 | |
---|
| 1018 | ith_port=0; |
---|
| 1019 | named_connection = 0; |
---|
| 1020 | inst_gen = lsStart(inst->ports); |
---|
| 1021 | mast_gen = lsStart(master->ports); |
---|
| 1022 | while (lsNext(mast_gen, |
---|
| 1023 | (lsGeneric*)&mast_item, &mast_handle) != LS_NOMORE) { |
---|
| 1024 | if (lsNext(inst_gen, |
---|
| 1025 | (lsGeneric*)&inst_item, &inst_handle) != LS_NOMORE) { |
---|
| 1026 | |
---|
| 1027 | if (!mast_item->port_exp && !inst_item->expr) continue; |
---|
| 1028 | else if ((!mast_item->port_exp && inst_item->expr) || |
---|
| 1029 | (!inst_item->expr && mast_item->port_exp)) { |
---|
| 1030 | char buf[MAXSTRLEN]; |
---|
| 1031 | sprintf(buf, "'%s': try to instantiate module %s with incompatible arguments", |
---|
| 1032 | vl_currentModule->name->name, master->name->name); |
---|
| 1033 | yylineno = -1; |
---|
| 1034 | compile_error(buf); |
---|
| 1035 | } |
---|
| 1036 | } else if (!named_connection) |
---|
| 1037 | |
---|
| 1038 | break; |
---|
| 1039 | |
---|
| 1040 | |
---|
| 1041 | lsFirstItem(mast_item->port_exp, (lsGeneric*)&id, &handle); |
---|
| 1042 | |
---|
| 1043 | if (!st_lookup(master->sig_st, id->name, (char**)&id)) { |
---|
| 1044 | char buf[MAXSTRLEN]; |
---|
| 1045 | |
---|
| 1046 | sprintf(buf, "port '%s' is not defined in module '%s'", |
---|
| 1047 | id->name, master->name->name); |
---|
| 1048 | semantic_error(buf); |
---|
| 1049 | } |
---|
| 1050 | |
---|
| 1051 | old_item_expr = NIL(vl_expr); |
---|
| 1052 | |
---|
| 1053 | if (!named_connection) |
---|
| 1054 | named_connection = (inst_item->type == NamedConnect); |
---|
| 1055 | if (named_connection) { |
---|
| 1056 | |
---|
| 1057 | mast_item = search_match_port(inst_item->id->name, |
---|
| 1058 | master->ports); |
---|
| 1059 | |
---|
| 1060 | lsFirstItem(mast_item->port_exp, (lsGeneric*)&id, &handle); |
---|
| 1061 | if (!st_lookup(master->sig_st, id->name, (char**)&id)) { |
---|
| 1062 | char buf[MAXSTRLEN]; |
---|
| 1063 | |
---|
| 1064 | sprintf(buf, "port '%s' is not defined in module '%s'", |
---|
| 1065 | id->name, master->name->name); |
---|
| 1066 | semantic_error(buf); |
---|
| 1067 | } |
---|
| 1068 | } |
---|
| 1069 | |
---|
| 1070 | |
---|
| 1071 | if ((id->flags&OutPort) && Zconnection) { |
---|
| 1072 | lsList assign_list; |
---|
| 1073 | vl_id_range *tmp_id; |
---|
| 1074 | vl_lval *tmp_lhs; |
---|
| 1075 | vl_expr *tmp_rhs; |
---|
| 1076 | vl_cont_assign *assign_stmt; |
---|
| 1077 | tmp_id = vl_create_id_range(vlStrdup(new_termname()), |
---|
| 1078 | NIL(vl_range)); |
---|
| 1079 | if (inst_item->expr->type == ConcatExpr) |
---|
| 1080 | tmp_lhs = vl_create_lval(ConcatExpr, |
---|
| 1081 | NIL(vl_id_range),NIL(vl_range), |
---|
| 1082 | (lsList)inst_item->expr->u.name); |
---|
| 1083 | else |
---|
| 1084 | tmp_lhs = vl_create_lval(inst_item->expr->type, |
---|
| 1085 | inst_item->expr->u.idrng, |
---|
| 1086 | inst_item->expr->u.idrng->range, |
---|
| 1087 | (lsList)0); |
---|
| 1088 | tmp_rhs = vl_create_expr(IDExpr, 0, (double)0.0, |
---|
| 1089 | tmp_id, NIL(void), NIL(void)); |
---|
| 1090 | assign_list = lsCreate(); |
---|
| 1091 | lsNewEnd(assign_list, |
---|
| 1092 | (lsGeneric)vl_create_bassign_stmt(AssignStmt, |
---|
| 1093 | tmp_lhs, |
---|
| 1094 | NIL(void), |
---|
| 1095 | tmp_rhs), |
---|
| 1096 | 0); |
---|
| 1097 | assign_stmt = vl_create_cont_assign_stmt(0, NIL(vl_delay), |
---|
| 1098 | assign_list); |
---|
| 1099 | if (inst_item->expr->type == IDExpr || |
---|
| 1100 | inst_item->expr->type == BitSelExpr || |
---|
| 1101 | inst_item->expr->type == PartSelExpr) { |
---|
| 1102 | int inVar=0; |
---|
| 1103 | if (st_lookup(vl_currentModule->sig_st, |
---|
| 1104 | inst_item->expr->u.name->name, |
---|
| 1105 | (char**)&cur_sig)) |
---|
| 1106 | inVar = ((cur_sig->flags & InPort) && |
---|
| 1107 | !(cur_sig->flags & OutPort)); |
---|
| 1108 | if (!inVar) |
---|
| 1109 | lsInAfter(curModGen, |
---|
| 1110 | (lsGeneric)assign_stmt, PcurModHandle); |
---|
| 1111 | } |
---|
| 1112 | chkUndefPorts(inst_item->expr, auxSigST); |
---|
| 1113 | old_item_expr = inst_item->expr; |
---|
| 1114 | inst_item->expr = vl_create_expr(IDExpr, 0, (double)0.0, |
---|
| 1115 | tmp_id, NIL(void), NIL(void)); |
---|
| 1116 | } |
---|
| 1117 | |
---|
| 1118 | |
---|
| 1119 | if ((id->flags&OutPort) && (inst_item->expr->type==ConcatExpr)) { |
---|
| 1120 | int m_lo, m_hi; |
---|
| 1121 | get_hilo(id, &m_hi, &m_lo); |
---|
| 1122 | write_out_port(file, id, m_hi,m_lo, inst_item->expr, auxSigST); |
---|
| 1123 | write_var_decl(file, inst_item->expr->term); |
---|
| 1124 | lsNewEnd(back_patch_list, (lsGeneric)inst_item->expr, 0); |
---|
| 1125 | } else { |
---|
| 1126 | masterIdDfn = id; |
---|
| 1127 | if (old_item_expr) |
---|
| 1128 | if (old_item_expr->type == ConcatExpr) |
---|
| 1129 | vl_write_expr(file, old_item_expr, NIL(st_table)); |
---|
| 1130 | vl_write_expr(file, inst_item->expr, NIL(st_table)); |
---|
| 1131 | masterIdDfn = NIL(vl_id_range); |
---|
| 1132 | } |
---|
| 1133 | |
---|
| 1134 | constConnection = 0; |
---|
| 1135 | if (!inst_item->expr) { |
---|
| 1136 | constConnection = 1; |
---|
| 1137 | } else if (!inst_item->expr->term) { |
---|
| 1138 | constConnection = 1; |
---|
| 1139 | } else { |
---|
| 1140 | if (id->id_type) { |
---|
| 1141 | if (inst_item->expr->type == IDExpr && |
---|
| 1142 | st_lookup(id->id_type->specifier-> |
---|
| 1143 | u.enum_type->domain_st, |
---|
| 1144 | inst_item->expr->u.name->name, |
---|
| 1145 | (char**)&enum_elt)) |
---|
| 1146 | constConnection = 1; |
---|
| 1147 | } |
---|
| 1148 | } |
---|
| 1149 | |
---|
| 1150 | if (constConnection) { |
---|
| 1151 | |
---|
| 1152 | int hi, lo; |
---|
| 1153 | vl_term *term_out; |
---|
| 1154 | char conn[MAXSTRLEN]; |
---|
| 1155 | |
---|
| 1156 | |
---|
| 1157 | get_hilo(id, &hi, &lo); |
---|
| 1158 | term_out = typed_new_term(id->id_type,NIL(vl_range),lo,hi); |
---|
| 1159 | term_out->flag |= id->flags; |
---|
| 1160 | lsNewEnd(input_consts, |
---|
| 1161 | (lsGeneric)create_const_term(inst_item->expr,term_out),0); |
---|
| 1162 | |
---|
| 1163 | put_const_port_connect(NIL(FILE), conn, |
---|
| 1164 | id, inst_item, input_consts, term_out); |
---|
| 1165 | strcat(modbuf, conn); |
---|
| 1166 | continue; |
---|
| 1167 | } |
---|
| 1168 | |
---|
| 1169 | if (inst_item->expr->type == IDExpr || |
---|
| 1170 | inst_item->expr->type == BitSelExpr || |
---|
| 1171 | inst_item->expr->type == PartSelExpr) { |
---|
| 1172 | int retval = st_lookup(vl_currentModule->sig_st, |
---|
| 1173 | inst_item->expr->u.name->name, |
---|
| 1174 | (char**)&cur_sig); |
---|
| 1175 | assert(retval); |
---|
| 1176 | } |
---|
| 1177 | |
---|
| 1178 | |
---|
| 1179 | if (implicitClocking && !vlTimedSystem && !implicitClockWire) { |
---|
| 1180 | if (master->clk) |
---|
| 1181 | if (!strcmp(master->clk->expr->u.name->name, id->name)) |
---|
| 1182 | continue; |
---|
| 1183 | if (!strcmp(id->name,CLOCK)) |
---|
| 1184 | continue; |
---|
| 1185 | } |
---|
| 1186 | |
---|
| 1187 | { |
---|
| 1188 | char conn[MAXSTRLEN]; |
---|
| 1189 | |
---|
| 1190 | if (id->flags & MVar) { |
---|
| 1191 | |
---|
| 1192 | put_mvar_port_connect(NIL(FILE), conn, id, inst_item); |
---|
| 1193 | } else { |
---|
| 1194 | get_hilo(id, &hi, &lo); |
---|
| 1195 | if (lo > hi) { |
---|
| 1196 | |
---|
| 1197 | put_bin_scalar_port_connect(NIL(FILE), conn, |
---|
| 1198 | id, inst_item); |
---|
| 1199 | } else { |
---|
| 1200 | |
---|
| 1201 | put_bin_vector_port_connect(NIL(FILE), conn, |
---|
| 1202 | id, inst_item); |
---|
| 1203 | } |
---|
| 1204 | } |
---|
| 1205 | |
---|
| 1206 | strcat(modbuf, conn); |
---|
| 1207 | strcat(modbuf, " "); |
---|
| 1208 | } |
---|
| 1209 | |
---|
| 1210 | ith_port++; |
---|
| 1211 | } |
---|
| 1212 | lsFinish(inst_gen); |
---|
| 1213 | lsFinish(mast_gen); |
---|
| 1214 | |
---|
| 1215 | backgen = lsStart(back_patch_list); |
---|
| 1216 | while (lsNext(backgen,(lsGeneric*)&backexpr,&backhandle)!=LS_NOMORE) { |
---|
| 1217 | vl_write_outport_connect(file, backexpr); |
---|
| 1218 | } |
---|
| 1219 | lsFinish(backgen); |
---|
| 1220 | |
---|
| 1221 | gen = lsStart(input_consts); |
---|
| 1222 | while(lsNext(gen, (lsGeneric*)&ct, &handle) != LS_NOMORE) { |
---|
| 1223 | if (!isOutPort(ct->term->flag)) |
---|
| 1224 | write_var_decl(file, ct->term); |
---|
| 1225 | vl_write_const(file, ct->const_expr, ct->term); |
---|
| 1226 | } |
---|
| 1227 | lsFinish(gen); |
---|
| 1228 | |
---|
| 1229 | stgen = st_init_gen(auxSigST); |
---|
| 1230 | while (st_gen(stgen, &key, (char**)&dummy)) { |
---|
| 1231 | if (!dummy) |
---|
| 1232 | fprintf(file, "%s %s %s %s;\n", |
---|
| 1233 | SMV_VAR, key, SMV_COLON, SMV_BOOLEAN); |
---|
| 1234 | else { |
---|
| 1235 | int mhi, mlo; |
---|
| 1236 | get_hilo((vl_id_range*)dummy, &mhi, &mlo); |
---|
| 1237 | if (mhi < mlo) |
---|
| 1238 | fprintf(file, "%s %s %s %s;\n", |
---|
| 1239 | SMV_VAR, key, SMV_COLON, SMV_BOOLEAN); |
---|
| 1240 | else |
---|
| 1241 | fprintf(file, "%s %s %s %s %d%s%d %s %s;\n", SMV_VAR, |
---|
| 1242 | key, SMV_COLON, SMV_ARRAY, mhi, SMV_RANGE, mlo, |
---|
| 1243 | SMV_OF, SMV_BOOLEAN); |
---|
| 1244 | } |
---|
| 1245 | } |
---|
| 1246 | st_free_gen(stgen); |
---|
| 1247 | auxSigST = NIL(st_table); |
---|
| 1248 | |
---|
| 1249 | fprintf(file, "%s\n", modbuf); |
---|
| 1250 | |
---|
| 1251 | lsDestroy(input_consts, 0); |
---|
| 1252 | } |
---|
| 1253 | } |
---|
| 1254 | |
---|
| 1255 | |
---|
| 1256 | static void vl_write_prim_inst(FILE *file, vl_primitive *master, |
---|
| 1257 | vl_mod_prim_inst *inst) |
---|
| 1258 | { |
---|
| 1259 | vl_write_mod_inst(file, (vl_module*)master, inst); |
---|
| 1260 | } |
---|
| 1261 | |
---|
| 1262 | |
---|
| 1263 | static void vl_write_gate_inst(FILE *file, short type, vl_gate_inst *gate) |
---|
| 1264 | { |
---|
| 1265 | lsGen inst_gen; |
---|
| 1266 | lsHandle inst_handle; |
---|
| 1267 | vl_expr *inst_expr; |
---|
| 1268 | vl_term *conn_term; |
---|
| 1269 | vl_expr *old_item_expr = NIL(vl_expr); |
---|
| 1270 | int constConnection; |
---|
| 1271 | int ith_port; |
---|
| 1272 | char buf[MAXSTRLEN]; |
---|
| 1273 | char outbuf[MAXSTRLEN]; |
---|
| 1274 | char *cp; |
---|
| 1275 | |
---|
| 1276 | cp = outbuf; |
---|
| 1277 | *cp = '\0'; |
---|
| 1278 | cp = strappendS(cp, ".subckt"); |
---|
| 1279 | cp = strappend(cp, "__sis_"); |
---|
| 1280 | cp = strappend(cp, GATE_NAME(type)); |
---|
| 1281 | |
---|
| 1282 | if (lsLength(gate->terms)>3) sprintf(buf,"%d",lsLength(gate->terms)-1); |
---|
| 1283 | else buf[0]='\0'; |
---|
| 1284 | cp = strappendS(cp, buf); |
---|
| 1285 | if (gate->name) |
---|
| 1286 | cp = strappendS(cp, gate->name->name); |
---|
| 1287 | else |
---|
| 1288 | cp = strappendS(cp, new_termname()); |
---|
| 1289 | |
---|
| 1290 | inst_gen = lsStart(gate->terms); |
---|
| 1291 | ith_port = 1; |
---|
| 1292 | while (lsNext(inst_gen, |
---|
| 1293 | (lsGeneric*)&inst_expr, &inst_handle) != LS_NOMORE) { |
---|
| 1294 | |
---|
| 1295 | if ((ith_port==1 || type == TranGate) && Zconnection) { |
---|
| 1296 | lsList assign_list; |
---|
| 1297 | vl_id_range *tmp_id; |
---|
| 1298 | vl_term *tmp_term; |
---|
| 1299 | vl_lval *tmp_lhs; |
---|
| 1300 | vl_expr *tmp_rhs; |
---|
| 1301 | vl_cont_assign *assign_stmt; |
---|
| 1302 | char *dummy; |
---|
| 1303 | int no_resolve; |
---|
| 1304 | |
---|
| 1305 | no_resolve = 0; |
---|
| 1306 | tmp_id = vl_create_id_range(vlStrdup(new_termname()), |
---|
| 1307 | NIL(vl_range)); |
---|
| 1308 | tmp_term = vl_create_term(tmp_id, 0, -1); |
---|
| 1309 | write_var_decl(file, tmp_term); |
---|
| 1310 | if (inst_expr->type == ConcatExpr) |
---|
| 1311 | tmp_lhs = vl_create_lval(ConcatExpr, |
---|
| 1312 | NIL(vl_id_range),NIL(vl_range), |
---|
| 1313 | (lsList)inst_expr->u.name); |
---|
| 1314 | else { |
---|
| 1315 | |
---|
| 1316 | |
---|
| 1317 | if (implicitDeclare && inst_expr->type == IDExpr) { |
---|
| 1318 | if (!st_lookup(vl_currentModule->sig_st, |
---|
| 1319 | inst_expr->u.idrng->name, &dummy)) { |
---|
| 1320 | st_insert(vl_currentModule->sig_st, |
---|
| 1321 | inst_expr->u.idrng->name, |
---|
| 1322 | (char*)vl_create_id_range(inst_expr->u.idrng->name, NIL(vl_range))); |
---|
| 1323 | } else { |
---|
| 1324 | no_resolve = !((((vl_id_range*)dummy)->flags & InPort) && |
---|
| 1325 | (((vl_id_range*)dummy)->flags & OutPort)) && |
---|
| 1326 | type == TranGate; |
---|
| 1327 | } |
---|
| 1328 | } |
---|
| 1329 | tmp_lhs = vl_create_lval(inst_expr->type, |
---|
| 1330 | inst_expr->u.idrng, |
---|
| 1331 | inst_expr->u.idrng->range, |
---|
| 1332 | (lsList)0); |
---|
| 1333 | } |
---|
| 1334 | |
---|
| 1335 | if (!no_resolve) { |
---|
| 1336 | tmp_rhs = vl_create_expr(IDExpr, 0, (double)0.0, |
---|
| 1337 | tmp_id, NIL(void), NIL(void)); |
---|
| 1338 | assign_list = lsCreate(); |
---|
| 1339 | lsNewEnd(assign_list, |
---|
| 1340 | (lsGeneric)vl_create_bassign_stmt(AssignStmt, |
---|
| 1341 | tmp_lhs, |
---|
| 1342 | NIL(void), |
---|
| 1343 | tmp_rhs), |
---|
| 1344 | 0); |
---|
| 1345 | assign_stmt = vl_create_cont_assign_stmt(0, NIL(vl_delay), |
---|
| 1346 | assign_list); |
---|
| 1347 | lsInAfter(curModGen, (lsGeneric)assign_stmt, PcurModHandle); |
---|
| 1348 | } |
---|
| 1349 | |
---|
| 1350 | old_item_expr = inst_expr; |
---|
| 1351 | inst_expr = vl_create_expr(IDExpr, 0, (double)0.0, |
---|
| 1352 | tmp_id, NIL(void), NIL(void)); |
---|
| 1353 | } |
---|
| 1354 | |
---|
| 1355 | vl_write_expr(file, inst_expr, NIL(st_table)); |
---|
| 1356 | |
---|
| 1357 | constConnection = 0; |
---|
| 1358 | if (!inst_expr) { |
---|
| 1359 | constConnection = 1; |
---|
| 1360 | } else if (!inst_expr->term) { |
---|
| 1361 | constConnection = 1; |
---|
| 1362 | } |
---|
| 1363 | |
---|
| 1364 | if (constConnection) { |
---|
| 1365 | conn_term = new_term(NIL(vl_range),0,-1); |
---|
| 1366 | vl_write_const(file, inst_expr, conn_term); |
---|
| 1367 | } else { |
---|
| 1368 | conn_term = inst_expr->term; |
---|
| 1369 | } |
---|
| 1370 | |
---|
| 1371 | |
---|
| 1372 | if (inst_expr->term->lo > inst_expr->term->hi) { |
---|
| 1373 | sprintf(buf, "%c=%s", (ith_port==1)?'o':'a'+ith_port-2, |
---|
| 1374 | conn_term->name->name); |
---|
| 1375 | } else { |
---|
| 1376 | sprintf(buf, "%c=%s%s%d%s", (ith_port==1)?'o':'a'+ith_port-2, |
---|
| 1377 | conn_term->name->name, |
---|
| 1378 | SEP_LBITSELECT, inst_expr->term->lo, SEP_RBITSELECT); |
---|
| 1379 | } |
---|
| 1380 | |
---|
| 1381 | cp = strappendS(cp, buf); |
---|
| 1382 | ith_port++; |
---|
| 1383 | } |
---|
| 1384 | lsFinish(inst_gen); |
---|
| 1385 | |
---|
| 1386 | fprintf(file, "%s\n", outbuf); |
---|
| 1387 | } |
---|
| 1388 | |
---|
| 1389 | |
---|
| 1390 | static void vl_write_tesla_timer_inst(FILE *file, vl_gate_inst *gate, |
---|
| 1391 | int lb, int ub) |
---|
| 1392 | { |
---|
| 1393 | static int teslaTimerCounter = 0; |
---|
| 1394 | char ps[MAXSTRLEN], ns[MAXSTRLEN]; |
---|
| 1395 | char timer[MAXSTRLEN]; |
---|
| 1396 | vl_term *(w[5]); |
---|
| 1397 | int constConnection; |
---|
| 1398 | int i; |
---|
| 1399 | lsGen inst_gen; |
---|
| 1400 | lsHandle inst_handle; |
---|
| 1401 | vl_expr *inst_expr; |
---|
| 1402 | |
---|
| 1403 | if (lsLength(gate->terms) != 5) { |
---|
| 1404 | char buf[MAXSTRLEN]; |
---|
| 1405 | sprintf(buf, "%s:teslaTimer needs exactly 3 inputs + 2 outputs\n", |
---|
| 1406 | vl_currentModule->name->name); |
---|
| 1407 | Translate_Warning(buf); |
---|
| 1408 | } |
---|
| 1409 | |
---|
| 1410 | for (inst_gen=lsStart(gate->terms), i=0; |
---|
| 1411 | lsNext(inst_gen, (lsGeneric*)&inst_expr, &inst_handle) != LS_NOMORE; |
---|
| 1412 | i++) { |
---|
| 1413 | vl_write_expr(file, inst_expr, NIL(st_table)); |
---|
| 1414 | |
---|
| 1415 | constConnection = 0; |
---|
| 1416 | if (!inst_expr) { |
---|
| 1417 | constConnection = 1; |
---|
| 1418 | } else if (!inst_expr->term) { |
---|
| 1419 | constConnection = 1; |
---|
| 1420 | } |
---|
| 1421 | |
---|
| 1422 | if (constConnection) { |
---|
| 1423 | w[i] = new_term(NIL(vl_range),0,-1); |
---|
| 1424 | vl_write_const(file, inst_expr, w[i]); |
---|
| 1425 | } else |
---|
| 1426 | w[i] = inst_expr->term; |
---|
| 1427 | } |
---|
| 1428 | lsFinish(inst_gen); |
---|
| 1429 | |
---|
| 1430 | sprintf(ps, "%s", new_termname()); |
---|
| 1431 | sprintf(ns, "%s", new_termname()); |
---|
| 1432 | sprintf(timer, "TESLATM%d", teslaTimerCounter++); |
---|
| 1433 | fprintf(file, ".mv %s, %s 4 s w t1 t2\n", ps, ns); |
---|
| 1434 | fprintf(file, ".latch %s %s\n.r %s\ns\n", ns, ps, ps); |
---|
| 1435 | fprintf(file, ".timers %s\n", timer); |
---|
| 1436 | fprintf(file, ".names %s %s %s %s %s %s %s %s\n", |
---|
| 1437 | ps, w[0]->name->name, w[1]->name->name, w[4]->name->name, |
---|
| 1438 | HSIS_ARROW, |
---|
| 1439 | w[2]->name->name, w[3]->name->name, ns); |
---|
| 1440 | fprintf(file, "s 0 - - 0 0 s\n"); |
---|
| 1441 | fprintf(file, "s - 1 - 0 0 s\n"); |
---|
| 1442 | if (lb==0) |
---|
| 1443 | fprintf(file, "s 1 0 1 1 0 s\n"); |
---|
| 1444 | else |
---|
| 1445 | fprintf(file, "s 1 0 1 0 1 t1\n"); |
---|
| 1446 | fprintf(file, "s 1 0 0 0 0 w && %s=0\n", timer); |
---|
| 1447 | fprintf(file, "w - 1 - 0 0 s\n"); |
---|
| 1448 | fprintf(file, "w - 0 0 0 0 w && %s<=%d\n", timer, ub); |
---|
| 1449 | fprintf(file, "w - 0 1 1 0 s && %s>=%d && %s<=%d\n", timer, lb, timer, ub); |
---|
| 1450 | fprintf(file, "w - 0 1 0 1 t1 && %s<%d\n", timer, lb); |
---|
| 1451 | fprintf(file, "w - 0 - 0 1 t2 && %s>%d\n", timer, ub); |
---|
| 1452 | fprintf(file, "t1 - 0 - 0 1 t1\n"); |
---|
| 1453 | fprintf(file, "t1 - 1 - 0 1 s\n"); |
---|
| 1454 | fprintf(file, "t2 - 0 - 0 1 t2\n"); |
---|
| 1455 | fprintf(file, "t2 - 1 - 0 1 s\n"); |
---|
| 1456 | } |
---|
| 1457 | |
---|
| 1458 | |
---|
| 1459 | |
---|
| 1460 | void vl_write_reset(FILE *file, vl_procstmt *init_stmt) |
---|
| 1461 | { |
---|
| 1462 | st_table *reset_vars=NIL(st_table); |
---|
| 1463 | st_generator *gen; |
---|
| 1464 | char *key; |
---|
| 1465 | var_info *id_var; |
---|
| 1466 | vl_id_range *id_sym; |
---|
| 1467 | |
---|
| 1468 | reset_vars = st_init_table(strcmp, st_strhash); |
---|
| 1469 | rst_ckt = 1; |
---|
| 1470 | vl_write_reset_stmt(file, init_stmt->stmt, reset_vars); |
---|
| 1471 | non_block_assignment(file, reset_vars); |
---|
| 1472 | gen = st_init_gen(reset_vars); |
---|
| 1473 | while (st_gen(gen, &key, (char**)&id_var)) { |
---|
| 1474 | if (st_lookup(vl_currentModule->sig_st, key, (char**)&id_sym)) { |
---|
| 1475 | lsNewEnd(id_sym->initial, (lsGeneric)id_var->current_terminal, 0); |
---|
| 1476 | if (strstr(id_sym->name, SEP_LATCH)) { |
---|
| 1477 | char buf[MAXSTRLEN]; |
---|
| 1478 | strcpy(buf, id_sym->name); |
---|
| 1479 | strip_char(buf, SEP_LATCH); |
---|
| 1480 | if (st_lookup(vl_currentModule->sig_st, buf, (char**)&id_sym)) |
---|
| 1481 | lsNewEnd(id_sym->initial, |
---|
| 1482 | (lsGeneric)id_var->current_terminal, 0); |
---|
| 1483 | } |
---|
| 1484 | } |
---|
| 1485 | } |
---|
| 1486 | st_free_gen(gen); |
---|
| 1487 | rst_ckt = 0; |
---|
| 1488 | } |
---|
| 1489 | |
---|
| 1490 | |
---|
| 1491 | st_table *vl_write_procstmt(FILE *file, vl_procstmt *procstmt, st_table *vars) |
---|
| 1492 | { |
---|
| 1493 | int old_lhs_must_be_wire; |
---|
| 1494 | |
---|
| 1495 | WrtTRACE("Writing always/initial statement"); |
---|
| 1496 | |
---|
| 1497 | |
---|
| 1498 | |
---|
| 1499 | vl_pauseStack = create_stack(); |
---|
| 1500 | vl_current_pause_list = lsCreate(); |
---|
| 1501 | vl_current_vars_list = lsCreate(); |
---|
| 1502 | |
---|
| 1503 | in_procedure = 1; |
---|
| 1504 | if (procstmt->type == AlwaysStmt) { |
---|
| 1505 | old_lhs_must_be_wire = lhs_must_be_wire; |
---|
| 1506 | if (((vl_bassign_stmt*)procstmt->stmt)->type != EventControlStmt) { |
---|
| 1507 | lhs_must_be_wire = 1; |
---|
| 1508 | |
---|
| 1509 | } |
---|
| 1510 | |
---|
| 1511 | |
---|
| 1512 | vars = vl_write_stmt(file, procstmt->stmt,NO_MUX,NIL(vl_term),vars); |
---|
| 1513 | |
---|
| 1514 | if (vlTimedSystem) final_vars = vars; |
---|
| 1515 | lhs_must_be_wire = old_lhs_must_be_wire; |
---|
| 1516 | |
---|
| 1517 | if (procstmt->flags & PseudoAlways) { |
---|
| 1518 | |
---|
| 1519 | vl_register_pause((vertex_t *) procstmt->fg_info, vars); |
---|
| 1520 | } |
---|
| 1521 | |
---|
| 1522 | |
---|
| 1523 | if (lsLength(vl_current_pause_list) > 1 && vlTimedSystem) { |
---|
| 1524 | st_table *new_table; |
---|
| 1525 | new_table = st_init_table(strcmp, st_strhash); |
---|
| 1526 | vl_prioritize_sequence(file, |
---|
| 1527 | vl_current_vars_list, vl_current_pause_list, |
---|
| 1528 | new_table); |
---|
| 1529 | vars = new_table; |
---|
| 1530 | } |
---|
| 1531 | } |
---|
| 1532 | in_procedure = 0; |
---|
| 1533 | |
---|
| 1534 | destroy_stack(vl_pauseStack, 0); |
---|
| 1535 | vl_pauseStack = (lsList)0; |
---|
| 1536 | lsDestroy(vl_current_pause_list, 0); |
---|
| 1537 | lsDestroy(vl_current_vars_list, 0); |
---|
| 1538 | vl_current_pause_list = (lsList)0; |
---|
| 1539 | vl_current_vars_list = (lsList)0; |
---|
| 1540 | |
---|
| 1541 | return vars; |
---|
| 1542 | } |
---|
| 1543 | |
---|
| 1544 | |
---|
| 1545 | st_table *vl_write_stmt(FILE *file, void *stmt, int muxed, vl_term *muxsel, st_table *vars) |
---|
| 1546 | { |
---|
| 1547 | vl_id_range *id_sym; |
---|
| 1548 | vl_term *out_term; |
---|
| 1549 | vl_term *new_out; |
---|
| 1550 | vl_term *tmp_term; |
---|
| 1551 | vl_term *sel; |
---|
| 1552 | st_table *pre_cond=NIL(st_table); |
---|
| 1553 | st_table *old_init_vars=NIL(st_table); |
---|
| 1554 | int using_ith_ctrl; |
---|
| 1555 | int fg_id; |
---|
| 1556 | int cur_bit_pos; |
---|
| 1557 | int num_lhs_vars; |
---|
| 1558 | lsList lhs_list; |
---|
| 1559 | lsGen lhs_gen=(lsGen)0; |
---|
| 1560 | lsHandle lhs_handle; |
---|
| 1561 | vl_expr *lhs_expr; |
---|
| 1562 | vl_id_range *lhs_var; |
---|
| 1563 | vl_range *lhs_range; |
---|
| 1564 | int old_check_rhs_sen; |
---|
| 1565 | int i; |
---|
| 1566 | |
---|
| 1567 | if (stmt == NIL(void)) { |
---|
| 1568 | return vars; |
---|
| 1569 | } |
---|
| 1570 | |
---|
| 1571 | WrtTRACE("Writing statement"); |
---|
| 1572 | |
---|
| 1573 | switch(((vl_bassign_stmt *)stmt)->type) { |
---|
| 1574 | case BeginEndStmt: |
---|
| 1575 | vars = vl_write_begin_end_stmt(file, stmt, muxed, muxsel, vars); |
---|
| 1576 | break; |
---|
| 1577 | case IfElseStmt: |
---|
| 1578 | Being_Conditioned++; |
---|
| 1579 | vars = vl_write_if_else_stmt(file, stmt, vars); |
---|
| 1580 | Being_Conditioned--; |
---|
| 1581 | break; |
---|
| 1582 | case CaseStmt: |
---|
| 1583 | case CasexStmt: |
---|
| 1584 | case CasezStmt: |
---|
| 1585 | Being_Conditioned++; |
---|
| 1586 | vars = vl_write_case_stmt(file, stmt, vars); |
---|
| 1587 | Being_Conditioned--; |
---|
| 1588 | break; |
---|
| 1589 | case CaseItem: |
---|
| 1590 | break; |
---|
| 1591 | case DefaultItem: |
---|
| 1592 | break; |
---|
| 1593 | case ForeverStmt: |
---|
| 1594 | break; |
---|
| 1595 | case RepeatStmt: |
---|
| 1596 | break; |
---|
| 1597 | case WhileStmt: { |
---|
| 1598 | if (!rst_ckt) { |
---|
| 1599 | st_table *fork_in_vars; |
---|
| 1600 | vl_term *dom_sel; |
---|
| 1601 | |
---|
| 1602 | using_ith_ctrl = rst_ith_ctrl; |
---|
| 1603 | rst_ith_ctrl++; |
---|
| 1604 | vl_write_expr(file, ((vl_while_stmt*)stmt)->cond, vars); |
---|
| 1605 | |
---|
| 1606 | |
---|
| 1607 | |
---|
| 1608 | tmp_term = new_term(NIL(vl_range), 0, -1); |
---|
| 1609 | if (!((vl_while_stmt*)stmt)->cond->term) { |
---|
| 1610 | sel = new_term(NIL(vl_range), 0, -1); |
---|
| 1611 | vl_write_const(file, ((vl_while_stmt*)stmt)->cond, sel); |
---|
| 1612 | ((vl_while_stmt*)stmt)->cond->term = sel; |
---|
| 1613 | } else if (((vl_while_stmt*)stmt)->cond->term->lo <= |
---|
| 1614 | ((vl_while_stmt*)stmt)->cond->term->hi) { |
---|
| 1615 | sel = new_term(NIL(vl_range), 0, -1); |
---|
| 1616 | vl_write_vector_bop(file, UorExpr, |
---|
| 1617 | ((vl_while_stmt*)stmt)->cond->term, |
---|
| 1618 | NIL(vl_term), sel); |
---|
| 1619 | } else { |
---|
| 1620 | sel = ((vl_while_stmt*)stmt)->cond->term; |
---|
| 1621 | } |
---|
| 1622 | |
---|
| 1623 | assert ((((vl_while_stmt*)stmt)->cond->fg_info1 && ((vl_while_stmt*)stmt)->cond->fg_info2) || (!((vl_while_stmt*)stmt)->cond->fg_info1 && !((vl_while_stmt*)stmt)->cond->fg_info2)); |
---|
| 1624 | |
---|
| 1625 | |
---|
| 1626 | if (((vl_while_stmt*)stmt)->cond->fg_info1) { |
---|
| 1627 | |
---|
| 1628 | fg_loop_collect_pause(file, |
---|
| 1629 | (vertex_t*)((vl_while_stmt*)stmt)->cond->fg_info1, |
---|
| 1630 | (vertex_t*)((vl_while_stmt*)stmt)->cond->fg_info2, |
---|
| 1631 | &dom_sel); |
---|
| 1632 | |
---|
| 1633 | } |
---|
| 1634 | |
---|
| 1635 | |
---|
| 1636 | if (((vl_while_stmt*)stmt)->cond->fg_info1) |
---|
| 1637 | fg_update_node_info((vertex_t*) |
---|
| 1638 | (((vl_while_stmt*)stmt)->cond->fg_info1), |
---|
| 1639 | (char*)sel); |
---|
| 1640 | |
---|
| 1641 | vl_write_bin_connect(file, sel, tmp_term, 0); |
---|
| 1642 | lsNewEnd(rst_ctrl_list, (lsGeneric)tmp_term, 0); |
---|
| 1643 | rst_ctrl_syndrome[using_ith_ctrl] = '1'; |
---|
| 1644 | |
---|
| 1645 | old_init_vars = vl_current_init_vars; |
---|
| 1646 | vl_current_init_vars = st_init_table(strcmp, st_strhash); |
---|
| 1647 | fork_in_vars = st_copy(vars); |
---|
| 1648 | vl_predefine_vars(file, vars); |
---|
| 1649 | |
---|
| 1650 | vars = vl_write_stmt(file, |
---|
| 1651 | ((vl_while_stmt*)stmt)->stmt, |
---|
| 1652 | muxed,muxsel,vars); |
---|
| 1653 | |
---|
| 1654 | rst_ctrl_syndrome[using_ith_ctrl] = '-'; |
---|
| 1655 | vl_timed_init_mux(file, dom_sel, vars, |
---|
| 1656 | vl_current_init_vars, fork_in_vars); |
---|
| 1657 | vl_current_init_vars = old_init_vars; |
---|
| 1658 | } |
---|
| 1659 | break; |
---|
| 1660 | } |
---|
| 1661 | case ForStmt: { |
---|
| 1662 | if (!rst_ckt) { |
---|
| 1663 | st_table *fork_in_vars; |
---|
| 1664 | vl_term *dom_sel; |
---|
| 1665 | |
---|
| 1666 | vl_write_stmt(file, ((vl_for_stmt*)stmt)->init,muxed,muxsel,vars); |
---|
| 1667 | |
---|
| 1668 | old_init_vars = vl_current_init_vars; |
---|
| 1669 | vl_current_init_vars = st_init_table(strcmp, st_strhash); |
---|
| 1670 | fork_in_vars = st_copy(vars); |
---|
| 1671 | vl_predefine_vars(file, vars); |
---|
| 1672 | |
---|
| 1673 | using_ith_ctrl = rst_ith_ctrl; |
---|
| 1674 | rst_ith_ctrl++; |
---|
| 1675 | vl_write_expr(file, ((vl_for_stmt*)stmt)->cond, vars); |
---|
| 1676 | |
---|
| 1677 | tmp_term = new_term(NIL(vl_range), 0, -1); |
---|
| 1678 | if (!((vl_for_stmt*)stmt)->cond->term) { |
---|
| 1679 | sel = new_term(NIL(vl_range), 0, -1); |
---|
| 1680 | vl_write_const(file, ((vl_for_stmt*)stmt)->cond, sel); |
---|
| 1681 | ((vl_for_stmt*)stmt)->cond->term = sel; |
---|
| 1682 | } else if (((vl_for_stmt*)stmt)->cond->term->lo <= |
---|
| 1683 | ((vl_for_stmt*)stmt)->cond->term->hi) { |
---|
| 1684 | sel = new_term(NIL(vl_range), 0, -1); |
---|
| 1685 | vl_write_vector_bop(file, UorExpr, |
---|
| 1686 | ((vl_for_stmt*)stmt)->cond->term, |
---|
| 1687 | NIL(vl_term), sel); |
---|
| 1688 | } else { |
---|
| 1689 | sel = ((vl_for_stmt*)stmt)->cond->term; |
---|
| 1690 | } |
---|
| 1691 | |
---|
| 1692 | assert ((((vl_for_stmt*)stmt)->cond->fg_info1 && ((vl_for_stmt*)stmt)->cond->fg_info2) || (!((vl_for_stmt*)stmt)->cond->fg_info1 && !((vl_for_stmt*)stmt)->cond->fg_info2)); |
---|
| 1693 | |
---|
| 1694 | if (((vl_for_stmt*)stmt)->cond->fg_info1) { |
---|
| 1695 | |
---|
| 1696 | fg_loop_collect_pause(file, |
---|
| 1697 | (vertex_t*)((vl_for_stmt*)stmt)->cond->fg_info1, |
---|
| 1698 | (vertex_t*)((vl_for_stmt*)stmt)->cond->fg_info2, |
---|
| 1699 | &dom_sel); |
---|
| 1700 | } |
---|
| 1701 | |
---|
| 1702 | if (((vl_for_stmt*)stmt)->cond->fg_info1) |
---|
| 1703 | fg_update_node_info((vertex_t*) |
---|
| 1704 | (((vl_for_stmt*)stmt)->cond->fg_info1), |
---|
| 1705 | (char*)sel); |
---|
| 1706 | |
---|
| 1707 | vl_write_bin_connect(file, sel, tmp_term, 0); |
---|
| 1708 | lsNewEnd(rst_ctrl_list, (lsGeneric)tmp_term, 0); |
---|
| 1709 | rst_ctrl_syndrome[using_ith_ctrl] = '1'; |
---|
| 1710 | |
---|
| 1711 | vars = vl_write_stmt(file, |
---|
| 1712 | ((vl_for_stmt*)stmt)->stmt,muxed,muxsel,vars); |
---|
| 1713 | |
---|
| 1714 | vars = vl_write_stmt(file, |
---|
| 1715 | ((vl_for_stmt*)stmt)->end,muxed,muxsel,vars); |
---|
| 1716 | |
---|
| 1717 | rst_ctrl_syndrome[using_ith_ctrl] = '-'; |
---|
| 1718 | vl_timed_init_mux(file, dom_sel, vars, |
---|
| 1719 | vl_current_init_vars, fork_in_vars); |
---|
| 1720 | vl_current_init_vars = old_init_vars; |
---|
| 1721 | } |
---|
| 1722 | break; |
---|
| 1723 | } |
---|
| 1724 | |
---|
| 1725 | case DelayControlStmt: { |
---|
| 1726 | |
---|
| 1727 | vl_register_pause((vertex_t *)((vl_delay_control_stmt*)stmt)->fg_info, |
---|
| 1728 | vars); |
---|
| 1729 | vars = st_init_table(strcmp, st_strhash); |
---|
| 1730 | vl_write_stmt(file, ((vl_delay_control_stmt*)stmt)->stmt, |
---|
| 1731 | muxed, muxsel, vars); |
---|
| 1732 | break; |
---|
| 1733 | } |
---|
| 1734 | |
---|
| 1735 | case EventControlStmt: { |
---|
| 1736 | |
---|
| 1737 | vl_register_pause((vertex_t *)((vl_event_control_stmt*)stmt)->fg_info, |
---|
| 1738 | vars); |
---|
| 1739 | vars = st_init_table(strcmp, st_strhash); |
---|
| 1740 | vars = vl_write_stmt(file, ((vl_event_control_stmt*)stmt)->stmt, |
---|
| 1741 | muxed, muxsel, vars); |
---|
| 1742 | break; |
---|
| 1743 | } |
---|
| 1744 | |
---|
| 1745 | case DelayBassignStmt: |
---|
| 1746 | case DelayNbassignStmt: { |
---|
| 1747 | char buf[MAXSTRLEN]; |
---|
| 1748 | |
---|
| 1749 | yylineno = ((vl_bassign_stmt*)stmt)->lineno; |
---|
| 1750 | |
---|
| 1751 | sprintf(buf, "'%s' contains delay, do not know how to synthesize it", |
---|
| 1752 | vl_currentModule->name->name); |
---|
| 1753 | Translate_Warning(buf); |
---|
| 1754 | break; |
---|
| 1755 | } |
---|
| 1756 | |
---|
| 1757 | case AssignStmt: |
---|
| 1758 | case BassignStmt: |
---|
| 1759 | case NbassignStmt: |
---|
| 1760 | case EventBassignStmt: |
---|
| 1761 | case EventNbassignStmt: { |
---|
| 1762 | |
---|
| 1763 | yylineno = ((vl_bassign_stmt*)stmt)->lineno; |
---|
| 1764 | |
---|
| 1765 | |
---|
| 1766 | if (((vl_bassign_stmt*)stmt)->lhs->type == ConcatExpr) { |
---|
| 1767 | |
---|
| 1768 | num_lhs_vars = lsLength(((vl_bassign_stmt*)stmt)->lhs->concat); |
---|
| 1769 | lhs_list = ((vl_bassign_stmt*)stmt)->lhs->concat; |
---|
| 1770 | lhs_gen = lsStart(lhs_list); |
---|
| 1771 | } else { |
---|
| 1772 | num_lhs_vars = 1; |
---|
| 1773 | lhs_list = (lsList)0; |
---|
| 1774 | } |
---|
| 1775 | |
---|
| 1776 | |
---|
| 1777 | for (i=0; i<num_lhs_vars; i++) { |
---|
| 1778 | if (lhs_list) { |
---|
| 1779 | int retval = lsNext(lhs_gen,(lsGeneric*)&lhs_expr,&lhs_handle); |
---|
| 1780 | assert(retval != LS_NOMORE); |
---|
| 1781 | lhs_var = lhs_expr->u.name; |
---|
| 1782 | lhs_range = lhs_var->range; |
---|
| 1783 | } else { |
---|
| 1784 | lhs_var = ((vl_bassign_stmt*)stmt)->lhs->name; |
---|
| 1785 | lhs_range = ((vl_bassign_stmt*)stmt)->lhs->range; |
---|
| 1786 | } |
---|
| 1787 | |
---|
| 1788 | if (!st_lookup(vl_currentModule->sig_st, lhs_var->name, |
---|
| 1789 | (char**)&id_sym)) { |
---|
| 1790 | char buf[MAXSTRLEN]; |
---|
| 1791 | |
---|
| 1792 | sprintf(buf, "variable %s not declared while used as lhs", |
---|
| 1793 | lhs_var->name); |
---|
| 1794 | compile_error(buf); |
---|
| 1795 | id_sym = lhs_var; |
---|
| 1796 | st_insert(vl_currentModule->sig_st, |
---|
| 1797 | id_sym->name, (char*)id_sym); |
---|
| 1798 | } |
---|
| 1799 | |
---|
| 1800 | if (lhs_range) |
---|
| 1801 | if (((vl_bassign_stmt *)stmt)->type == NbassignStmt || |
---|
| 1802 | ((vl_bassign_stmt *)stmt)->type == EventNbassignStmt) { |
---|
| 1803 | char buf[MAXSTRLEN]; |
---|
| 1804 | sprintf(buf, |
---|
| 1805 | "'%s':non-blocking to partial vector, array element", |
---|
| 1806 | id_sym->name); |
---|
| 1807 | compile_error(buf); |
---|
| 1808 | } |
---|
| 1809 | |
---|
| 1810 | if (id_sym->flags & InPort) { |
---|
| 1811 | char buf[MAXSTRLEN]; |
---|
| 1812 | |
---|
| 1813 | sprintf(buf, "trying to assign to input variable %s", |
---|
| 1814 | id_sym->name); |
---|
| 1815 | yylineno = ((vl_bassign_stmt*)stmt)->lineno; |
---|
| 1816 | compile_error(buf); |
---|
| 1817 | } |
---|
| 1818 | |
---|
| 1819 | id_sym->edge_trigger = edge_triggering; |
---|
| 1820 | |
---|
| 1821 | if (recordCombAlways && !edge_triggering) { |
---|
| 1822 | |
---|
| 1823 | vl_id_range *temp_id_sym; |
---|
| 1824 | |
---|
| 1825 | if (!st_lookup(vl_currentModule->combVar_st, id_sym->name, |
---|
| 1826 | (char**)&temp_id_sym)) { |
---|
| 1827 | st_insert(vl_currentModule->combVar_st, id_sym->name, |
---|
| 1828 | (char*)id_sym); |
---|
| 1829 | } |
---|
| 1830 | } else { |
---|
| 1831 | id_sym->sensitiveList = sensitiveList; |
---|
| 1832 | } |
---|
| 1833 | } |
---|
| 1834 | |
---|
| 1835 | if (lhs_list) lsFinish(lhs_gen); |
---|
| 1836 | |
---|
| 1837 | old_check_rhs_sen = check_rhs_sensitivity; |
---|
| 1838 | check_rhs_sensitivity = |
---|
| 1839 | !(((vl_bassign_stmt*)stmt)->type == AssignStmt && vars); |
---|
| 1840 | out_term = vl_write_assign(file,(vl_bassign_stmt*)stmt, |
---|
| 1841 | muxed,muxsel,vars); |
---|
| 1842 | check_rhs_sensitivity = old_check_rhs_sen; |
---|
| 1843 | |
---|
| 1844 | if (lhs_list) { |
---|
| 1845 | lhs_gen = lsStart(((vl_bassign_stmt*)stmt)->lhs->concat); |
---|
| 1846 | assert(array_n(assign_array) == num_lhs_vars); |
---|
| 1847 | } |
---|
| 1848 | |
---|
| 1849 | for (i=0, cur_bit_pos=0; i<num_lhs_vars; i++) { |
---|
| 1850 | if (lhs_list) { |
---|
| 1851 | int retval = lsNext(lhs_gen,(lsGeneric*)&lhs_expr,&lhs_handle); |
---|
| 1852 | assert(retval != LS_NOMORE); |
---|
| 1853 | lhs_var = lhs_expr->u.name; |
---|
| 1854 | retval = st_lookup(vl_currentModule->sig_st, |
---|
| 1855 | lhs_expr->u.name->name, (char**)&id_sym); |
---|
| 1856 | assert(retval); |
---|
| 1857 | } |
---|
| 1858 | |
---|
| 1859 | if (((vl_bassign_stmt*)stmt)->type == NbassignStmt || |
---|
| 1860 | ((vl_bassign_stmt*)stmt)->type == DelayNbassignStmt || |
---|
| 1861 | ((vl_bassign_stmt*)stmt)->type == EventNbassignStmt) { |
---|
| 1862 | |
---|
| 1863 | char buf[MAXSTRLEN]; |
---|
| 1864 | sprintf(buf, "%s%s", id_sym->name, SEP_LATCH); |
---|
| 1865 | st_lookup(vl_currentModule->sig_st, buf, (char**)&id_sym); |
---|
| 1866 | } else if (((vl_bassign_stmt*)stmt)->type == AssignStmt && vars) { |
---|
| 1867 | |
---|
| 1868 | char buf[MAXSTRLEN]; |
---|
| 1869 | sprintf(buf, "%s%s", id_sym->name, SEP_QUASI); |
---|
| 1870 | st_lookup(vl_currentModule->sig_st, buf, (char**)&id_sym); |
---|
| 1871 | } |
---|
| 1872 | |
---|
| 1873 | if (!out_term) break; |
---|
| 1874 | if (lhs_list) out_term = array_fetch(vl_term*, assign_array, i); |
---|
| 1875 | new_out = vl_copy_term(out_term); |
---|
| 1876 | if (lhs_list) { |
---|
| 1877 | |
---|
| 1878 | int hi, lo; |
---|
| 1879 | get_hilo(id_sym, &hi, &lo); |
---|
| 1880 | if (hi < lo) hi=lo=0; |
---|
| 1881 | new_out->lo = cur_bit_pos; |
---|
| 1882 | new_out->hi = new_out->lo + (hi-lo+1) -1; |
---|
| 1883 | cur_bit_pos = new_out->hi + 1; |
---|
| 1884 | } |
---|
| 1885 | |
---|
| 1886 | pre_cond = |
---|
| 1887 | fg_assign_temporal_context((vertex_t*) |
---|
| 1888 | (((vl_bassign_stmt*)stmt)->fg_info)); |
---|
| 1889 | fg_id = fg_fg_id(); |
---|
| 1890 | |
---|
| 1891 | |
---|
| 1892 | if (cntxt_event) |
---|
| 1893 | record_pseudo_cntxt(file, fg_id, pre_cond, |
---|
| 1894 | ctrl_syndrome, rst_ctrl_syndrome, vars); |
---|
| 1895 | |
---|
| 1896 | if (!rst_ckt) { |
---|
| 1897 | syndrome_expr *newCtrlExpr; |
---|
| 1898 | |
---|
| 1899 | if (((vl_bassign_stmt *)stmt)->type == NbassignStmt || |
---|
| 1900 | ((vl_bassign_stmt *)stmt)->type == DelayNbassignStmt || |
---|
| 1901 | ((vl_bassign_stmt *)stmt)->type == EventNbassignStmt) { |
---|
| 1902 | } |
---|
| 1903 | newCtrlExpr = create_syndrome_expr(vlStrdup(ctrl_syndrome), |
---|
| 1904 | new_out, pre_cond, fg_id); |
---|
| 1905 | lsNewEnd(id_sym->syndrome_expr_list, (lsGeneric)newCtrlExpr, 0); |
---|
| 1906 | |
---|
| 1907 | st_insert(vars, id_sym->name, |
---|
| 1908 | (char*)create_var_info(vl_copy_id_range(id_sym), |
---|
| 1909 | out_term)); |
---|
| 1910 | } else { |
---|
| 1911 | syndrome_expr *newCtrlExpr; |
---|
| 1912 | |
---|
| 1913 | if (((vl_bassign_stmt *)stmt)->type == NbassignStmt || |
---|
| 1914 | ((vl_bassign_stmt *)stmt)->type == DelayNbassignStmt || |
---|
| 1915 | ((vl_bassign_stmt *)stmt)->type == EventNbassignStmt) { |
---|
| 1916 | } |
---|
| 1917 | |
---|
| 1918 | newCtrlExpr = create_syndrome_expr(vlStrdup(rst_ctrl_syndrome), |
---|
| 1919 | new_out, pre_cond, fg_id); |
---|
| 1920 | lsNewEnd(id_sym->rst_syndrome_expr_list, |
---|
| 1921 | (lsGeneric)newCtrlExpr, 0); |
---|
| 1922 | |
---|
| 1923 | st_insert(vars, id_sym->name, |
---|
| 1924 | (char*)create_var_info(vl_copy_id_range(id_sym), |
---|
| 1925 | out_term)); |
---|
| 1926 | } |
---|
| 1927 | } |
---|
| 1928 | break; |
---|
| 1929 | } |
---|
| 1930 | case WaitStmt: { |
---|
| 1931 | |
---|
| 1932 | if (((vl_wait_stmt*)stmt)->cond == NIL(vl_expr)) { |
---|
| 1933 | vl_write_begin_end_stmt(file, ((vl_wait_stmt*)stmt)->stmt, |
---|
| 1934 | muxed, muxsel, vars); |
---|
| 1935 | } |
---|
| 1936 | break; |
---|
| 1937 | } |
---|
| 1938 | case ForkJoinStmt: |
---|
| 1939 | break; |
---|
| 1940 | case TaskEnableStmt: |
---|
| 1941 | case SysTaskEnableStmt: |
---|
| 1942 | break; |
---|
| 1943 | case DisableStmt: |
---|
| 1944 | break; |
---|
| 1945 | case DeassignStmt: { |
---|
| 1946 | syndrome_expr *newCtrlExpr; |
---|
| 1947 | vl_term *operand_term; |
---|
| 1948 | char quasi[MAXSTRLEN]; |
---|
| 1949 | |
---|
| 1950 | if (!st_lookup(vl_currentModule->sig_st, |
---|
| 1951 | ((vl_deassign_stmt*)stmt)->lhs->name->name, |
---|
| 1952 | (char**)&id_sym)) { |
---|
| 1953 | char buf[MAXSTRLEN]; |
---|
| 1954 | |
---|
| 1955 | sprintf(buf, "%s:deassign '%s', which is undefined variable", |
---|
| 1956 | vl_currentModule->name->name, |
---|
| 1957 | ((vl_deassign_stmt*)stmt)->lhs->name->name); |
---|
| 1958 | yylineno = -1; |
---|
| 1959 | compile_error(buf); |
---|
| 1960 | } |
---|
| 1961 | |
---|
| 1962 | sprintf(quasi, "%s%s", id_sym->name, SEP_QUASI); |
---|
| 1963 | if (!st_lookup(vl_currentModule->sig_st, quasi, (char**)&id_sym)) { |
---|
| 1964 | int retval; |
---|
| 1965 | collect_quasi(quasi); |
---|
| 1966 | retval = st_lookup(vl_currentModule->sig_st,quasi,(char**)&id_sym); |
---|
| 1967 | assert(retval); |
---|
| 1968 | } |
---|
| 1969 | |
---|
| 1970 | operand_term = |
---|
| 1971 | vl_create_term(((vl_deassign_stmt*)stmt)->lhs->name, 0,-1); |
---|
| 1972 | fg_id = fg_fg_id(); |
---|
| 1973 | pre_cond = |
---|
| 1974 | fg_assign_temporal_context((vertex_t*) |
---|
| 1975 | (((vl_deassign_stmt*)stmt)->fg_info)); |
---|
| 1976 | newCtrlExpr = create_syndrome_expr(vlStrdup(ctrl_syndrome), |
---|
| 1977 | operand_term, pre_cond, fg_id); |
---|
| 1978 | lsNewEnd((!rst_ckt)?id_sym->syndrome_expr_list: |
---|
| 1979 | id_sym->rst_syndrome_expr_list, |
---|
| 1980 | (lsGeneric)newCtrlExpr, 0); |
---|
| 1981 | break; |
---|
| 1982 | } |
---|
| 1983 | case SendEventStmt: { |
---|
| 1984 | char vnt_buf[MAXSTRLEN]; |
---|
| 1985 | |
---|
| 1986 | if (!st_lookup(vl_currentModule->sig_st, |
---|
| 1987 | ((vl_send_event_stmt*)stmt)->name->name, |
---|
| 1988 | (char**)&id_sym)) { |
---|
| 1989 | char buf[MAXSTRLEN]; |
---|
| 1990 | sprintf(buf, "variable %s not declared while used as event", |
---|
| 1991 | ((vl_send_event_stmt*)stmt)->name->name); |
---|
| 1992 | yylineno = -1; |
---|
| 1993 | compile_error(buf); |
---|
| 1994 | } |
---|
| 1995 | |
---|
| 1996 | out_term = new_term(NIL(vl_range), 0, -1); |
---|
| 1997 | sprintf(vnt_buf, "%s%s%s", id_sym->name, SEP_GATEPIN, PIN_EVENT); |
---|
| 1998 | if (smartEvent) |
---|
| 1999 | write_int_connect(file, 1, out_term); |
---|
| 2000 | else |
---|
| 2001 | vl_write_bit_connect(file, vnt_buf, out_term->name->name, 1); |
---|
| 2002 | new_out = vl_copy_term(out_term); |
---|
| 2003 | |
---|
| 2004 | pre_cond = |
---|
| 2005 | fg_assign_temporal_context((vertex_t*) |
---|
| 2006 | (((vl_send_event_stmt*)stmt)->fg_info)); |
---|
| 2007 | fg_id = fg_fg_id(); |
---|
| 2008 | |
---|
| 2009 | lsNewEnd(id_sym->syndrome_expr_list, |
---|
| 2010 | (lsGeneric)create_syndrome_expr(vlStrdup(ctrl_syndrome), |
---|
| 2011 | new_out, pre_cond, fg_id), |
---|
| 2012 | 0); |
---|
| 2013 | |
---|
| 2014 | |
---|
| 2015 | |
---|
| 2016 | st_insert(vars, id_sym->name, |
---|
| 2017 | (char*)create_var_info(vl_copy_id_range(id_sym), out_term)); |
---|
| 2018 | break; |
---|
| 2019 | } |
---|
| 2020 | default: { |
---|
| 2021 | char msg[MAXSTRLEN]; |
---|
| 2022 | sprintf(msg, "vl_write_stmt:Unexpected Statement Type %d", |
---|
| 2023 | ((vl_bassign_stmt *)stmt)->type); |
---|
| 2024 | internal_error(msg); |
---|
| 2025 | } |
---|
| 2026 | } |
---|
| 2027 | return vars; |
---|
| 2028 | } |
---|
| 2029 | |
---|
| 2030 | |
---|
| 2031 | void vl_write_reset_stmt(FILE *file, void *stmt, st_table *vars) |
---|
| 2032 | { |
---|
| 2033 | if (stmt == NIL(void)) return; |
---|
| 2034 | |
---|
| 2035 | WrtTRACE("Writing reset statement"); |
---|
| 2036 | |
---|
| 2037 | vl_write_stmt(file, stmt, NO_MUX, NIL(vl_term), vars); |
---|
| 2038 | } |
---|
| 2039 | |
---|
| 2040 | st_table *vl_write_begin_end_stmt(FILE *file, vl_begin_end_stmt *bestmt, int muxed, vl_term *control, st_table *vars) |
---|
| 2041 | { |
---|
| 2042 | WrtTRACE("Writing begin/end\n"); |
---|
| 2043 | |
---|
| 2044 | vl_write_decl_list(file, bestmt->decls, muxed, control, vars); |
---|
| 2045 | vars = vl_write_stmt_list(file, bestmt->stmts, muxed, control, vars); |
---|
| 2046 | return vars; |
---|
| 2047 | } |
---|
| 2048 | |
---|
| 2049 | st_table *vl_write_if_else_stmt(FILE *file, vl_if_else_stmt *stmt, st_table *vars) |
---|
| 2050 | { |
---|
| 2051 | st_table *t_vars, *f_vars; |
---|
| 2052 | st_generator *gen; |
---|
| 2053 | char *key; |
---|
| 2054 | var_info *t_in, *f_in, *cur_var; |
---|
| 2055 | int using_ith_ctrl; |
---|
| 2056 | vl_term *sel, *tmp_term; |
---|
| 2057 | |
---|
| 2058 | WrtTRACE("Writing if/then/else statement"); |
---|
| 2059 | |
---|
| 2060 | if (!rst_ckt) { |
---|
| 2061 | using_ith_ctrl = ith_ctrl; |
---|
| 2062 | ith_ctrl++; |
---|
| 2063 | } else { |
---|
| 2064 | using_ith_ctrl = rst_ith_ctrl; |
---|
| 2065 | rst_ith_ctrl++; |
---|
| 2066 | } |
---|
| 2067 | |
---|
| 2068 | |
---|
| 2069 | if (!stmt->else_stmt) { |
---|
| 2070 | if (sensitiveList && vl_currentModule->combVar_st) { |
---|
| 2071 | if (chk_IncompleteBranch) { |
---|
| 2072 | char buf[MAXSTRLEN]; |
---|
| 2073 | recordCombAlways = 0; |
---|
| 2074 | vl_currentModule->combVar_st = NIL(set_t); |
---|
| 2075 | vl_step_stmt(stderr, stmt); |
---|
| 2076 | sprintf(buf, |
---|
| 2077 | "%s:incomplete if/ese, combinational reduction failed", |
---|
| 2078 | vl_currentModule->name->name); |
---|
| 2079 | yylineno = -1; |
---|
| 2080 | compile_error(buf); |
---|
| 2081 | } |
---|
| 2082 | } |
---|
| 2083 | } |
---|
| 2084 | |
---|
| 2085 | vl_write_expr(file, stmt->cond, vars); |
---|
| 2086 | |
---|
| 2087 | |
---|
| 2088 | |
---|
| 2089 | tmp_term = new_term(NIL(vl_range), 0, -1); |
---|
| 2090 | if (!stmt->cond->term) { |
---|
| 2091 | sel = new_term(NIL(vl_range), 0, -1); |
---|
| 2092 | vl_write_const(file, stmt->cond, sel); |
---|
| 2093 | stmt->cond->term = sel; |
---|
| 2094 | } else if (stmt->cond->term->lo <= stmt->cond->term->hi) { |
---|
| 2095 | sel = new_term(NIL(vl_range), 0, -1); |
---|
| 2096 | vl_write_vector_bop(file, UorExpr, |
---|
| 2097 | stmt->cond->term, NIL(vl_term), sel); |
---|
| 2098 | } else { |
---|
| 2099 | sel = stmt->cond->term; |
---|
| 2100 | } |
---|
| 2101 | |
---|
| 2102 | assert ((stmt->cond->fg_info1 && stmt->cond->fg_info2) || (!stmt->cond->fg_info1 && !stmt->cond->fg_info2)); |
---|
| 2103 | |
---|
| 2104 | |
---|
| 2105 | if (stmt->cond->fg_info1) |
---|
| 2106 | fg_update_node_info((vertex_t*)(stmt->cond->fg_info1), (char*)sel); |
---|
| 2107 | |
---|
| 2108 | |
---|
| 2109 | if (stmt->cond->fg_info1) { |
---|
| 2110 | |
---|
| 2111 | fg_if_collect_pause_rewrite_ctrl(file, |
---|
| 2112 | (vertex_t*)stmt->cond->fg_info1, (vertex_t*)stmt->cond->fg_info2, |
---|
| 2113 | &sel); |
---|
| 2114 | stmt->cond->term = sel; |
---|
| 2115 | } |
---|
| 2116 | |
---|
| 2117 | vl_write_bin_connect(file, sel, tmp_term, 0); |
---|
| 2118 | if (!rst_ckt) |
---|
| 2119 | lsNewEnd(ctrl_list, (lsGeneric)tmp_term, 0); |
---|
| 2120 | else |
---|
| 2121 | lsNewEnd(rst_ctrl_list, (lsGeneric)tmp_term, 0); |
---|
| 2122 | |
---|
| 2123 | t_vars = st_copy(vars); |
---|
| 2124 | f_vars = st_copy(vars); |
---|
| 2125 | dup_info_var_in_st(t_vars); |
---|
| 2126 | dup_info_var_in_st(f_vars); |
---|
| 2127 | reset_cond_list_in_st(t_vars); |
---|
| 2128 | reset_cond_list_in_st(f_vars); |
---|
| 2129 | |
---|
| 2130 | if (!rst_ckt) |
---|
| 2131 | ctrl_syndrome[using_ith_ctrl] = '1'; |
---|
| 2132 | else |
---|
| 2133 | rst_ctrl_syndrome[using_ith_ctrl] = '1'; |
---|
| 2134 | t_vars = vl_write_stmt(file,stmt->if_stmt,MUX_T, stmt->cond->term,t_vars); |
---|
| 2135 | if (!rst_ckt) |
---|
| 2136 | ctrl_syndrome[using_ith_ctrl] = '0'; |
---|
| 2137 | else |
---|
| 2138 | rst_ctrl_syndrome[using_ith_ctrl] = '0'; |
---|
| 2139 | f_vars = vl_write_stmt(file,stmt->else_stmt,MUX_F,stmt->cond->term,f_vars); |
---|
| 2140 | if (!rst_ckt) |
---|
| 2141 | ctrl_syndrome[using_ith_ctrl] = '-'; |
---|
| 2142 | else |
---|
| 2143 | rst_ctrl_syndrome[using_ith_ctrl] = '-'; |
---|
| 2144 | |
---|
| 2145 | fprintf(file, "%s if/else (", HSIS_COMMENT); |
---|
| 2146 | (void)vl_step_expr(file, stmt->cond); |
---|
| 2147 | fprintf(file, ")\n"); |
---|
| 2148 | |
---|
| 2149 | vars = create_var_muxes(file, stmt->cond->term, t_vars, f_vars, vars); |
---|
| 2150 | |
---|
| 2151 | gen = st_init_gen(t_vars); |
---|
| 2152 | while (st_gen(gen, &key, (char**)&t_in)) { |
---|
| 2153 | st_delete(t_vars, &key, (char**)&t_in); |
---|
| 2154 | if (st_lookup(vars, key, (char**)&cur_var)) |
---|
| 2155 | if (cur_var == t_in) |
---|
| 2156 | continue; |
---|
| 2157 | free_var_info(t_in); |
---|
| 2158 | } |
---|
| 2159 | st_free_gen(gen); |
---|
| 2160 | gen = st_init_gen(f_vars); |
---|
| 2161 | while (st_gen(gen, &key, (char**)&f_in)) { |
---|
| 2162 | st_delete(t_vars, &key, (char**)&f_in); |
---|
| 2163 | if (st_lookup(vars, key, (char**)&cur_var)) |
---|
| 2164 | if (cur_var == f_in) |
---|
| 2165 | continue; |
---|
| 2166 | free_var_info(f_in); |
---|
| 2167 | } |
---|
| 2168 | st_free_gen(gen); |
---|
| 2169 | |
---|
| 2170 | |
---|
| 2171 | |
---|
| 2172 | return vars; |
---|
| 2173 | } |
---|
| 2174 | |
---|
| 2175 | |
---|
| 2176 | st_table *vl_write_case_stmt(FILE *file, vl_case_stmt *stmt, st_table *vars) |
---|
| 2177 | { |
---|
| 2178 | st_table **case_vars; |
---|
| 2179 | int i; |
---|
| 2180 | vl_case_item *item; |
---|
| 2181 | lsHandle handle; |
---|
| 2182 | lsGen gen; |
---|
| 2183 | vl_term **controls, *prev_ctrl = NIL(vl_term); |
---|
| 2184 | vl_term *pause_ripple=NIL(vl_term); |
---|
| 2185 | int using_ith_ctrl = -1; |
---|
| 2186 | char old_ctrl_syndrome[MAXSTRLEN]; |
---|
| 2187 | |
---|
| 2188 | WrtTRACE("Writing case\n"); |
---|
| 2189 | |
---|
| 2190 | if (!rst_ckt) |
---|
| 2191 | strcpy(old_ctrl_syndrome, ctrl_syndrome); |
---|
| 2192 | else |
---|
| 2193 | strcpy(old_ctrl_syndrome, rst_ctrl_syndrome); |
---|
| 2194 | |
---|
| 2195 | assert((stmt->cond->fg_info1 && stmt->cond->fg_info2) || (!stmt->cond->fg_info1 && !stmt->cond->fg_info2)); |
---|
| 2196 | |
---|
| 2197 | switch (stmt->type) { |
---|
| 2198 | case CaseStmt: |
---|
| 2199 | case CasexStmt: |
---|
| 2200 | case CasezStmt: break; |
---|
| 2201 | default: |
---|
| 2202 | internal_error("Unexpected Case Type"); break; |
---|
| 2203 | } |
---|
| 2204 | |
---|
| 2205 | |
---|
| 2206 | |
---|
| 2207 | { |
---|
| 2208 | vl_write_expr(file, stmt->cond, vars); |
---|
| 2209 | |
---|
| 2210 | case_vars = (st_table**)chk_malloc(lsLength(stmt->case_items) * |
---|
| 2211 | sizeof(st_table*)); |
---|
| 2212 | controls = (vl_term**)chk_malloc(lsLength(stmt->case_items) * |
---|
| 2213 | sizeof(vl_term*)); |
---|
| 2214 | for (i=0; i<lsLength(stmt->case_items); i++) { |
---|
| 2215 | case_vars[i] = NIL(st_table); |
---|
| 2216 | controls[i] = NIL(vl_term); |
---|
| 2217 | } |
---|
| 2218 | |
---|
| 2219 | for (gen = lsStart(stmt->case_items), i = 0; |
---|
| 2220 | (lsNext(gen,(lsGeneric*)&item,&handle) != LS_NOMORE); |
---|
| 2221 | i++) { |
---|
| 2222 | |
---|
| 2223 | controls[i] = |
---|
| 2224 | write_case_comparator(file, |
---|
| 2225 | stmt->cond->term, item->exprs, vars); |
---|
| 2226 | |
---|
| 2227 | |
---|
| 2228 | if (item->fg_info) { |
---|
| 2229 | vertex_t *src_tag; |
---|
| 2230 | src_tag = g_e_dest((edge_t*)item->fg_info); |
---|
| 2231 | if (!controls[i]) { |
---|
| 2232 | controls[i] = true_term(file); |
---|
| 2233 | } |
---|
| 2234 | fg_update_node_info((vertex_t*)(item->fg_info), |
---|
| 2235 | (char*)controls[i]); |
---|
| 2236 | fg_case_collect_pause_rewrite_ctrl(file, |
---|
| 2237 | src_tag, (vertex_t*)stmt->cond->fg_info2, |
---|
| 2238 | &controls[i], &pause_ripple); |
---|
| 2239 | } |
---|
| 2240 | |
---|
| 2241 | if (item->type == CaseItem) { |
---|
| 2242 | if (!rst_ckt) { |
---|
| 2243 | lsNewEnd(ctrl_list, (lsGeneric)controls[i], 0); |
---|
| 2244 | using_ith_ctrl = ith_ctrl; |
---|
| 2245 | ith_ctrl++; |
---|
| 2246 | ctrl_syndrome[using_ith_ctrl] = '1'; |
---|
| 2247 | } else { |
---|
| 2248 | lsNewEnd(rst_ctrl_list, (lsGeneric)controls[i], 0); |
---|
| 2249 | using_ith_ctrl = rst_ith_ctrl; |
---|
| 2250 | rst_ith_ctrl++; |
---|
| 2251 | rst_ctrl_syndrome[using_ith_ctrl] = '1'; |
---|
| 2252 | } |
---|
| 2253 | } |
---|
| 2254 | |
---|
| 2255 | |
---|
| 2256 | |
---|
| 2257 | case_vars[i] = st_copy(vars); |
---|
| 2258 | dup_info_var_in_st(case_vars[i]); |
---|
| 2259 | reset_cond_list_in_st(case_vars[i]); |
---|
| 2260 | case_vars[i] = |
---|
| 2261 | vl_write_stmt(file, item->stmt, |
---|
| 2262 | (controls[i])?MUX_T:NO_MUX, |
---|
| 2263 | (controls[i])?controls[i]:NIL(vl_term), |
---|
| 2264 | case_vars[i]); |
---|
| 2265 | if (item->type == CaseItem) { |
---|
| 2266 | if (!rst_ckt) |
---|
| 2267 | ctrl_syndrome[using_ith_ctrl] = '0'; |
---|
| 2268 | else |
---|
| 2269 | rst_ctrl_syndrome[using_ith_ctrl] = '0'; |
---|
| 2270 | } |
---|
| 2271 | |
---|
| 2272 | prev_ctrl = controls[i]; |
---|
| 2273 | } |
---|
| 2274 | (void)lsFinish(gen); |
---|
| 2275 | |
---|
| 2276 | if (pause_ripple) { |
---|
| 2277 | fprintf(file, ".names %s\n0\n", pause_ripple->name->name); |
---|
| 2278 | } |
---|
| 2279 | } |
---|
| 2280 | |
---|
| 2281 | if (!rst_ckt) |
---|
| 2282 | strcpy(ctrl_syndrome, old_ctrl_syndrome); |
---|
| 2283 | else |
---|
| 2284 | strcpy(rst_ctrl_syndrome, old_ctrl_syndrome); |
---|
| 2285 | |
---|
| 2286 | fprintf(file, "%s case (", HSIS_COMMENT); |
---|
| 2287 | vl_step_expr(file, stmt->cond); |
---|
| 2288 | fprintf(file, ")\n"); |
---|
| 2289 | |
---|
| 2290 | if (!prev_ctrl || vl_currentFunction) { |
---|
| 2291 | |
---|
| 2292 | |
---|
| 2293 | st_table *vars_tmp, *vars_else; |
---|
| 2294 | i=lsLength(stmt->case_items)-1; |
---|
| 2295 | vars_else = case_vars[i]; |
---|
| 2296 | for (i -= 2; i>=0; i--) { |
---|
| 2297 | vars_tmp = st_copy(vars); |
---|
| 2298 | dup_info_var_in_st(vars_tmp); |
---|
| 2299 | reset_cond_list_in_st(vars_tmp); |
---|
| 2300 | create_var_muxes(file, controls[i+1], |
---|
| 2301 | case_vars[i+1], vars_else, vars_tmp); |
---|
| 2302 | vars_else = vars_tmp; |
---|
| 2303 | } |
---|
| 2304 | create_var_muxes(file, controls[0], |
---|
| 2305 | case_vars[0], vars_else, vars); |
---|
| 2306 | } else { |
---|
| 2307 | |
---|
| 2308 | for (i=lsLength(stmt->case_items)-1; i>=0; i--) { |
---|
| 2309 | case_vars[i] = create_var_muxes(file, controls[i], |
---|
| 2310 | case_vars[i], st_copy(vars), vars); |
---|
| 2311 | } |
---|
| 2312 | } |
---|
| 2313 | |
---|
| 2314 | return vars; |
---|
| 2315 | } |
---|
| 2316 | |
---|
| 2317 | |
---|
| 2318 | void vl_write_cont_assign(FILE *file, vl_cont_assign *assign, st_table *vars) |
---|
| 2319 | { |
---|
| 2320 | vl_id_range *lhs_id; |
---|
| 2321 | lsGen gen; |
---|
| 2322 | lsHandle handle; |
---|
| 2323 | vl_bassign_stmt *a; |
---|
| 2324 | vl_term *lhs_term; |
---|
| 2325 | int true_hi=0, true_lo=0; |
---|
| 2326 | int num_lhs_vars; |
---|
| 2327 | int cur_bit_pos; |
---|
| 2328 | lsList lhs_list; |
---|
| 2329 | lsGen lhs_gen=(lsGen)0; |
---|
| 2330 | lsHandle lhs_handle; |
---|
| 2331 | vl_expr *lhs_expr; |
---|
| 2332 | vl_id_range *lhs_var; |
---|
| 2333 | vl_range *lhs_range; |
---|
| 2334 | int i; |
---|
| 2335 | |
---|
| 2336 | WrtTRACE("Writing cont_assign\n"); |
---|
| 2337 | |
---|
| 2338 | for (gen = lsStart(assign->assigns); |
---|
| 2339 | lsNext(gen, (lsGeneric*)&a, &handle) != LS_NOMORE; ) { |
---|
| 2340 | a->type = AssignStmt; |
---|
| 2341 | if (a->lhs->type == MinTypMaxExpr) |
---|
| 2342 | a->lhs->name = (vl_id_range*)((vl_expr*)a->lhs->name)->u.exprs.e1; |
---|
| 2343 | |
---|
| 2344 | if (a->lhs->type == ConcatExpr) { |
---|
| 2345 | num_lhs_vars = lsLength(a->lhs->concat); |
---|
| 2346 | lhs_list = a->lhs->concat; |
---|
| 2347 | lhs_gen = lsStart(lhs_list); |
---|
| 2348 | } else { |
---|
| 2349 | num_lhs_vars = 1; |
---|
| 2350 | lhs_list = (lsList)0; |
---|
| 2351 | } |
---|
| 2352 | |
---|
| 2353 | for (i=0; i<num_lhs_vars; i++) { |
---|
| 2354 | if (lhs_list) { |
---|
| 2355 | int retval = lsNext(lhs_gen,(lsGeneric*)&lhs_expr,&lhs_handle); |
---|
| 2356 | assert(retval != LS_NOMORE); |
---|
| 2357 | lhs_var = lhs_expr->u.name; |
---|
| 2358 | lhs_range = lhs_var->range; |
---|
| 2359 | } else { |
---|
| 2360 | lhs_var = a->lhs->name; |
---|
| 2361 | lhs_range = a->lhs->range; |
---|
| 2362 | } |
---|
| 2363 | if (!st_lookup(vl_currentModule->sig_st, |
---|
| 2364 | lhs_var->name, (char**)&lhs_id)) { |
---|
| 2365 | int retval; |
---|
| 2366 | st_insert(vl_currentModule->sig_st, lhs_var->name, |
---|
| 2367 | (char*)vl_create_id_range(lhs_var->name, |
---|
| 2368 | NIL(vl_range))); |
---|
| 2369 | retval = st_lookup(vl_currentModule->sig_st, lhs_var->name, |
---|
| 2370 | (char**)&lhs_id); |
---|
| 2371 | assert(retval); |
---|
| 2372 | } |
---|
| 2373 | } |
---|
| 2374 | if (lhs_list) lsFinish(lhs_gen); |
---|
| 2375 | nd_check_ok = 1; |
---|
| 2376 | |
---|
| 2377 | lhs_term = vl_write_assign(file, a, 0, NIL(vl_term), NIL(st_table)); |
---|
| 2378 | |
---|
| 2379 | nd_check_ok = 0; |
---|
| 2380 | if (vis_nond_var) { |
---|
| 2381 | vis_nond_var = 0; |
---|
| 2382 | return; |
---|
| 2383 | } |
---|
| 2384 | |
---|
| 2385 | |
---|
| 2386 | if (lhs_list) { |
---|
| 2387 | assert(array_n(assign_array) == num_lhs_vars); |
---|
| 2388 | lhs_gen = lsStart(lhs_list); |
---|
| 2389 | true_lo = lhs_term->lo; |
---|
| 2390 | true_hi = lhs_term->hi; |
---|
| 2391 | } |
---|
| 2392 | for (i=0, cur_bit_pos=0; i<num_lhs_vars; i++) { |
---|
| 2393 | if (lhs_list) { |
---|
| 2394 | int retval = lsNext(lhs_gen,(lsGeneric*)&lhs_expr,&lhs_handle); |
---|
| 2395 | assert(retval != LS_NOMORE); |
---|
| 2396 | retval = st_lookup(vl_currentModule->sig_st, |
---|
| 2397 | lhs_expr->u.name->name, (char**)&lhs_id); |
---|
| 2398 | assert(retval); |
---|
| 2399 | } |
---|
| 2400 | if (lhs_list) lhs_term = array_fetch(vl_term*, assign_array, i); |
---|
| 2401 | if (!(lhs_id->flags & InPort && !(lhs_id->flags & OutPort))) |
---|
| 2402 | st_insert(vars, lhs_id->name, |
---|
| 2403 | (char*)create_var_info(vl_copy_id_range(lhs_id), |
---|
| 2404 | lhs_term)); |
---|
| 2405 | else { |
---|
| 2406 | vl_id_range *id_sym; |
---|
| 2407 | int retval = st_lookup(vl_currentModule->sig_st, |
---|
| 2408 | lhs_id->name, (char**)&id_sym); |
---|
| 2409 | assert(retval); |
---|
| 2410 | id_sym->name = lhs_term->name->name; |
---|
| 2411 | } |
---|
| 2412 | } |
---|
| 2413 | if (lhs_list) { |
---|
| 2414 | lsFinish(lhs_gen); |
---|
| 2415 | lhs_term->lo = true_lo; |
---|
| 2416 | lhs_term->hi = true_hi; |
---|
| 2417 | array_free(assign_array); |
---|
| 2418 | } |
---|
| 2419 | } |
---|
| 2420 | (void)lsFinish(gen); |
---|
| 2421 | } |
---|
| 2422 | |
---|
| 2423 | |
---|
| 2424 | void vl_write_wiring_assign(FILE *file, vl_netdecl *assignments, st_table *vars) |
---|
| 2425 | { |
---|
| 2426 | vl_id_range *lhs_id; |
---|
| 2427 | lsGen gen; |
---|
| 2428 | lsHandle handle; |
---|
| 2429 | vl_bassign_stmt *a; |
---|
| 2430 | vl_term *lhs_term; |
---|
| 2431 | int hi, lo; |
---|
| 2432 | |
---|
| 2433 | WrtTRACE("Writing wire_assign\n"); |
---|
| 2434 | |
---|
| 2435 | |
---|
| 2436 | |
---|
| 2437 | gen = lsStart(assignments->ids); |
---|
| 2438 | if (lsNext(gen, (lsGeneric*)&a, &handle) == LS_OK) { |
---|
| 2439 | if (a->type == BassignStmt) { |
---|
| 2440 | a->type = AssignStmt; |
---|
| 2441 | st_lookup(vl_currentModule->sig_st, |
---|
| 2442 | a->lhs->name->name, (char**)&lhs_id); |
---|
| 2443 | get_hilo(lhs_id, &hi, &lo); |
---|
| 2444 | lhs_term = vl_write_assign(file,a,0,NIL(vl_term),NIL(st_table)); |
---|
| 2445 | st_insert(vars, lhs_id->name, |
---|
| 2446 | (char*)create_var_info(vl_copy_id_range(lhs_id), |
---|
| 2447 | lhs_term)); |
---|
| 2448 | } |
---|
| 2449 | while (lsNext(gen, (lsGeneric*)&a, &handle) != LS_NOMORE) { |
---|
| 2450 | if (a->type == BassignStmt) { |
---|
| 2451 | st_lookup(vl_currentModule->sig_st, |
---|
| 2452 | a->lhs->name->name, (char**)&lhs_id); |
---|
| 2453 | get_hilo(lhs_id, &hi, &lo); |
---|
| 2454 | a->type = AssignStmt; |
---|
| 2455 | lhs_term = vl_write_assign(file, |
---|
| 2456 | a, 0, NIL(vl_term), NIL(st_table)); |
---|
| 2457 | st_insert(vars, lhs_id->name, |
---|
| 2458 | (char*)create_var_info(vl_copy_id_range(lhs_id), |
---|
| 2459 | lhs_term)); |
---|
| 2460 | } |
---|
| 2461 | } |
---|
| 2462 | } |
---|
| 2463 | (void)lsFinish(gen); |
---|
| 2464 | } |
---|
| 2465 | |
---|
| 2466 | st_table *vl_write_event_control_stmt(FILE *file, vl_event_control_stmt *stmt, st_table *vars) |
---|
| 2467 | { |
---|
| 2468 | int old_recordCombAlways; |
---|
| 2469 | set_t *old_sensitiveList; |
---|
| 2470 | vl_term *old_edge_triggering; |
---|
| 2471 | |
---|
| 2472 | WrtTRACE("Writing event_control_stmt\n"); |
---|
| 2473 | |
---|
| 2474 | |
---|
| 2475 | |
---|
| 2476 | |
---|
| 2477 | |
---|
| 2478 | old_recordCombAlways = recordCombAlways; |
---|
| 2479 | if (stmt->event->type == OrEventExpr || stmt->event->type == EventExpr) |
---|
| 2480 | recordCombAlways = 1; |
---|
| 2481 | |
---|
| 2482 | |
---|
| 2483 | |
---|
| 2484 | old_edge_triggering = edge_triggering; |
---|
| 2485 | old_sensitiveList = sensitiveList; |
---|
| 2486 | sensitiveList = vl_write_event_expr(file, stmt->event); |
---|
| 2487 | |
---|
| 2488 | |
---|
| 2489 | |
---|
| 2490 | |
---|
| 2491 | vars = vl_write_stmt(file, stmt->stmt, 0, NIL(vl_term), vars); |
---|
| 2492 | |
---|
| 2493 | edge_triggering = old_edge_triggering; |
---|
| 2494 | recordCombAlways = old_recordCombAlways; |
---|
| 2495 | sensitiveList = old_sensitiveList; |
---|
| 2496 | |
---|
| 2497 | return vars; |
---|
| 2498 | } |
---|
| 2499 | |
---|
| 2500 | |
---|
| 2501 | vl_term *vl_write_assign(FILE *file, vl_bassign_stmt *assign, int muxed, vl_term *muxsel, st_table *vars) |
---|
| 2502 | { |
---|
| 2503 | char latch_name[MAXSTRLEN]; |
---|
| 2504 | vl_id_range *lhs_id=NIL(vl_id_range); |
---|
| 2505 | vl_term *term_out=NIL(vl_term), *assign_term=NIL(vl_term), |
---|
| 2506 | *retval=NIL(vl_term); |
---|
| 2507 | int lo, hi; |
---|
| 2508 | int old_lhs_hi, old_lhs_lo; |
---|
| 2509 | vl_term *old_lhs_term; |
---|
| 2510 | char buf[MAXSTRLEN]; |
---|
| 2511 | lsList lhs_list; |
---|
| 2512 | lsGen lhs_gen=(lsGen)0; |
---|
| 2513 | lsHandle lhs_handle; |
---|
| 2514 | vl_expr *lhs_expr; |
---|
| 2515 | int num_lhs_vars; |
---|
| 2516 | vl_id_range *lhs_var; |
---|
| 2517 | vl_range *lhs_range; |
---|
| 2518 | int i; |
---|
| 2519 | |
---|
| 2520 | WrtTRACE("Writing assign_stmt\n"); |
---|
| 2521 | |
---|
| 2522 | fprintf(file, "%s ", HSIS_COMMENT); |
---|
| 2523 | if (!NoDetailedComment) vl_step_bassign_stmt(file, assign); |
---|
| 2524 | fprintf(file, "\n"); |
---|
| 2525 | |
---|
| 2526 | assert(assign->type!=DelayBassignStmt && |
---|
| 2527 | assign->type != DelayNbassignStmt && |
---|
| 2528 | assign->type != EventBassignStmt && |
---|
| 2529 | assign->type != EventNbassignStmt); |
---|
| 2530 | |
---|
| 2531 | if (assign->lhs->type == ConcatExpr) { |
---|
| 2532 | num_lhs_vars = lsLength(assign->lhs->concat); |
---|
| 2533 | lhs_list = assign->lhs->concat; |
---|
| 2534 | lhs_gen = lsStart(lhs_list); |
---|
| 2535 | assign_array = array_alloc(vl_term*, 0); |
---|
| 2536 | } else { |
---|
| 2537 | num_lhs_vars = 1; |
---|
| 2538 | lhs_list = (lsList)0; |
---|
| 2539 | } |
---|
| 2540 | |
---|
| 2541 | for (i=0; i<num_lhs_vars; i++) { |
---|
| 2542 | if (lhs_list) { |
---|
| 2543 | int retval = lsNext(lhs_gen,(lsGeneric*)&lhs_expr,&lhs_handle); |
---|
| 2544 | assert(retval != LS_NOMORE); |
---|
| 2545 | lhs_var = lhs_expr->u.name; |
---|
| 2546 | lhs_range = lhs_var->range; |
---|
| 2547 | } else { |
---|
| 2548 | lhs_var = assign->lhs->name; |
---|
| 2549 | lhs_range = assign->lhs->range; |
---|
| 2550 | } |
---|
| 2551 | |
---|
| 2552 | if (!st_lookup(vl_currentModule->sig_st, |
---|
| 2553 | lhs_var->name, (char**)&lhs_id)) { |
---|
| 2554 | char buf[MAXSTRLEN]; |
---|
| 2555 | yylineno = assign->lineno; |
---|
| 2556 | sprintf(buf, "'%s':'%s' is an undeclared variable", |
---|
| 2557 | vl_currentModule->name->name, lhs_var->name); |
---|
| 2558 | compile_error(buf); |
---|
| 2559 | } |
---|
| 2560 | if (assign->type == NbassignStmt || |
---|
| 2561 | assign->type == DelayNbassignStmt || |
---|
| 2562 | assign->type == EventNbassignStmt) { |
---|
| 2563 | |
---|
| 2564 | vl_id_range *id_sym; |
---|
| 2565 | sprintf(latch_name, "%s%s", lhs_var->name, SEP_LATCH); |
---|
| 2566 | st_lookup(vl_currentModule->sig_st, latch_name, (char**)&id_sym); |
---|
| 2567 | id_sym->flags = lhs_id->flags; |
---|
| 2568 | lhs_id = id_sym; |
---|
| 2569 | } else if (assign->type == AssignStmt && vars) { |
---|
| 2570 | |
---|
| 2571 | vl_id_range *id_sym; |
---|
| 2572 | sprintf(latch_name, "%s%s", lhs_var->name, SEP_QUASI); |
---|
| 2573 | if (!st_lookup(vl_currentModule->sig_st, |
---|
| 2574 | latch_name,(char**)&id_sym)) { |
---|
| 2575 | int retval; |
---|
| 2576 | collect_quasi(lhs_var->name); |
---|
| 2577 | retval = st_lookup(vl_currentModule->sig_st, |
---|
| 2578 | latch_name,(char**)&id_sym); |
---|
| 2579 | assert(retval); |
---|
| 2580 | } |
---|
| 2581 | id_sym->flags = lhs_id->flags; |
---|
| 2582 | lhs_id = id_sym; |
---|
| 2583 | } else { |
---|
| 2584 | |
---|
| 2585 | } |
---|
| 2586 | |
---|
| 2587 | if (lhs_id->flags & InPort && !(lhs_id->flags & OutPort)) { |
---|
| 2588 | char msg[MAXSTRLEN]; |
---|
| 2589 | sprintf(msg, "%s:%s is input variable while used as lhs", |
---|
| 2590 | vl_currentModule->name->name, lhs_id->name); |
---|
| 2591 | |
---|
| 2592 | } |
---|
| 2593 | |
---|
| 2594 | if (!lhs_list) { |
---|
| 2595 | if (vars) |
---|
| 2596 | check_assign(assign, 1); |
---|
| 2597 | else |
---|
| 2598 | check_assign(assign, 0); |
---|
| 2599 | } |
---|
| 2600 | get_hilo(lhs_id, &hi, &lo); |
---|
| 2601 | |
---|
| 2602 | |
---|
| 2603 | if (!muxed) { |
---|
| 2604 | if (vars) { |
---|
| 2605 | |
---|
| 2606 | sprintf(buf, "%s%s%s%s", lhs_id->name, |
---|
| 2607 | SEP_GATEPIN, PIN_RAWOUT, new_termname()); |
---|
| 2608 | } else { |
---|
| 2609 | |
---|
| 2610 | sprintf(buf, "%s%s%s%s", lhs_id->name, |
---|
| 2611 | SEP_GATEPIN, PIN_RAWOUT, new_termname()); |
---|
| 2612 | } |
---|
| 2613 | } else { |
---|
| 2614 | if (muxed & 1) { |
---|
| 2615 | sprintf(buf, "%s%s%s%s%s%s", lhs_id->name, |
---|
| 2616 | SEP_GATEPIN, muxsel->name->name, new_termname(), |
---|
| 2617 | SEP_GATEPIN, PIN_TRUE); |
---|
| 2618 | } else { |
---|
| 2619 | sprintf(buf, "%s%s%s%s%s%s", lhs_id->name, |
---|
| 2620 | SEP_GATEPIN, muxsel->name->name, new_termname(), |
---|
| 2621 | SEP_GATEPIN, PIN_FALSE); |
---|
| 2622 | } |
---|
| 2623 | } |
---|
| 2624 | assign_term = term_out = create_rename_term(lhs_id, buf, lo, hi); |
---|
| 2625 | assign_term->flag = lhs_id->flags; |
---|
| 2626 | assign_term->term_type = lhs_id->id_type; |
---|
| 2627 | |
---|
| 2628 | if (!(vis_nond && assign->rhs->type == NondExpr) || rst_ckt) |
---|
| 2629 | write_var_decl(file, assign_term); |
---|
| 2630 | |
---|
| 2631 | if (lhs_range) { |
---|
| 2632 | if (lhs_id->range) { |
---|
| 2633 | |
---|
| 2634 | var_info *cur_var; |
---|
| 2635 | vl_term *orig_term; |
---|
| 2636 | |
---|
| 2637 | vl_write_expr(file, lhs_range->left, vars); |
---|
| 2638 | if (vars) { |
---|
| 2639 | if (st_lookup(vars, lhs_id->name, (char**)&cur_var)) { |
---|
| 2640 | orig_term = cur_var->current_terminal; |
---|
| 2641 | } else { |
---|
| 2642 | orig_term = vl_create_term(lhs_var, lo, hi); |
---|
| 2643 | orig_term->flag = lhs_id->flags; |
---|
| 2644 | orig_term->term_type = lhs_id->id_type; |
---|
| 2645 | } |
---|
| 2646 | } else { |
---|
| 2647 | orig_term = vl_create_term(lhs_var, lo, hi); |
---|
| 2648 | } |
---|
| 2649 | assign_term = new_term(NIL(vl_range), lo, hi); |
---|
| 2650 | assign_term->flag = lhs_id->flags; |
---|
| 2651 | assign_term->term_type = lhs_id->id_type; |
---|
| 2652 | write_var_decl(file, assign_term); |
---|
| 2653 | write_switch(file, lhs_id, lhs_range->left->term, |
---|
| 2654 | lhs_range->left, orig_term, assign_term, term_out); |
---|
| 2655 | } else { |
---|
| 2656 | |
---|
| 2657 | int left, right; |
---|
| 2658 | |
---|
| 2659 | left = vl_eval_expr(lhs_range->left); |
---|
| 2660 | if (lhs_range->right) |
---|
| 2661 | right = vl_eval_expr(lhs_range->right); |
---|
| 2662 | else |
---|
| 2663 | right = left; |
---|
| 2664 | assign_term->term_type = lhs_id->id_type; |
---|
| 2665 | assign_term->lo = left; |
---|
| 2666 | assign_term->hi = right; |
---|
| 2667 | } |
---|
| 2668 | } |
---|
| 2669 | |
---|
| 2670 | if (assign_term->lo > assign_term->hi) { |
---|
| 2671 | if (assign_term->lo != 0 && assign_term->hi != -1) { |
---|
| 2672 | int temp; |
---|
| 2673 | |
---|
| 2674 | temp = assign_term->lo; |
---|
| 2675 | assign_term->lo = assign_term->hi; |
---|
| 2676 | assign_term->hi = temp; |
---|
| 2677 | } |
---|
| 2678 | } |
---|
| 2679 | |
---|
| 2680 | if (lhs_list) { |
---|
| 2681 | |
---|
| 2682 | |
---|
| 2683 | array_insert_last(vl_term*, assign_array, assign_term); |
---|
| 2684 | } |
---|
| 2685 | } |
---|
| 2686 | |
---|
| 2687 | if (lhs_list) { |
---|
| 2688 | lsFinish(lhs_gen); |
---|
| 2689 | assign_term = concate_assigns(assign_array); |
---|
| 2690 | write_var_decl(file, assign_term); |
---|
| 2691 | } |
---|
| 2692 | |
---|
| 2693 | switch(assign->type) { |
---|
| 2694 | |
---|
| 2695 | case BassignStmt: |
---|
| 2696 | case NbassignStmt: |
---|
| 2697 | case AssignStmt: { |
---|
| 2698 | |
---|
| 2699 | old_lhs_hi = lhs_hi; |
---|
| 2700 | old_lhs_lo = lhs_lo; |
---|
| 2701 | old_lhs_term = lhs_term; |
---|
| 2702 | lhs_hi = assign_term->hi; |
---|
| 2703 | lhs_lo = assign_term->lo; |
---|
| 2704 | lhs_term = assign_term; |
---|
| 2705 | |
---|
| 2706 | vl_write_expr(file, assign->rhs, vars); |
---|
| 2707 | |
---|
| 2708 | lhs_hi = old_lhs_hi; |
---|
| 2709 | lhs_lo = old_lhs_lo; |
---|
| 2710 | lhs_term = old_lhs_term; |
---|
| 2711 | |
---|
| 2712 | break; |
---|
| 2713 | } |
---|
| 2714 | |
---|
| 2715 | case DelayBassignStmt: break; |
---|
| 2716 | case DelayNbassignStmt: break; |
---|
| 2717 | |
---|
| 2718 | case EventBassignStmt: break; |
---|
| 2719 | case EventNbassignStmt: break; |
---|
| 2720 | default: break; |
---|
| 2721 | } |
---|
| 2722 | |
---|
| 2723 | |
---|
| 2724 | if (!rst_ckt) { |
---|
| 2725 | if (!lhs_list) |
---|
| 2726 | dump_debug_information(file, assign->lhs->name, assign_term, |
---|
| 2727 | assign->lineno, ctrl_list, ctrl_syndrome); |
---|
| 2728 | } |
---|
| 2729 | |
---|
| 2730 | if (vis_nond_var && !vars) { |
---|
| 2731 | return retval; |
---|
| 2732 | } |
---|
| 2733 | |
---|
| 2734 | |
---|
| 2735 | if (ISVLCONST(assign->rhs->type) && assign->rhs->type != BitExpr) { |
---|
| 2736 | vl_write_const(file, assign->rhs, assign_term); |
---|
| 2737 | if (!(assign_term->flag & MVar)) { |
---|
| 2738 | |
---|
| 2739 | var_info *cur_var; |
---|
| 2740 | vl_term *orig_term; |
---|
| 2741 | if (vars && !lhs_list) { |
---|
| 2742 | |
---|
| 2743 | if (st_lookup(vars, lhs_id->name, (char**)&cur_var)) { |
---|
| 2744 | orig_term = cur_var->current_terminal; |
---|
| 2745 | } else { |
---|
| 2746 | orig_term = vl_create_term(assign->lhs->name, lo, hi); |
---|
| 2747 | } |
---|
| 2748 | patch_unaffected_term(file, lhs_id, orig_term, assign_term); |
---|
| 2749 | } else if (lhs_list) { |
---|
| 2750 | connect_concat(file, assign_term, assign_array); |
---|
| 2751 | } |
---|
| 2752 | } |
---|
| 2753 | } else { |
---|
| 2754 | if ((term_out->flag & MVar) == (assign->rhs->term->flag & MVar)) { |
---|
| 2755 | if (assign->rhs->term->flag & MVar) { |
---|
| 2756 | vl_write_mv_connect(file, assign->rhs->term, assign_term); |
---|
| 2757 | } else { |
---|
| 2758 | var_info *cur_var; |
---|
| 2759 | vl_term *orig_term; |
---|
| 2760 | |
---|
| 2761 | vl_write_bin_connect(file, assign->rhs->term, assign_term, 0); |
---|
| 2762 | |
---|
| 2763 | if (vars && !lhs_list) { |
---|
| 2764 | if (st_lookup(vars, lhs_id->name, (char**)&cur_var)) { |
---|
| 2765 | orig_term = cur_var->current_terminal; |
---|
| 2766 | } else { |
---|
| 2767 | orig_term = vl_create_term(assign->lhs->name, lo, hi); |
---|
| 2768 | } |
---|
| 2769 | patch_unaffected_term(file, lhs_id, orig_term, assign_term); |
---|
| 2770 | } else if (lhs_list) { |
---|
| 2771 | connect_concat(file, assign_term, assign_array); |
---|
| 2772 | } |
---|
| 2773 | } |
---|
| 2774 | } else { |
---|
| 2775 | char buf[MAXSTRLEN]; |
---|
| 2776 | |
---|
| 2777 | sprintf(buf, "connecting incompatible wires '%s' and '%s'", |
---|
| 2778 | assign_term->name->name,assign->rhs->term->name->name); |
---|
| 2779 | compile_error(buf); |
---|
| 2780 | } |
---|
| 2781 | vl_free_term(assign->rhs->term); |
---|
| 2782 | } |
---|
| 2783 | |
---|
| 2784 | retval = term_out; |
---|
| 2785 | |
---|
| 2786 | return retval; |
---|
| 2787 | } |
---|
| 2788 | |
---|
| 2789 | |
---|
| 2790 | st_table *vl_write_decl_list(FILE *file, void *decls, int muxed, vl_term *control, st_table *vars) |
---|
| 2791 | { |
---|
| 2792 | |
---|
| 2793 | file = file; |
---|
| 2794 | decls = decls; |
---|
| 2795 | muxed = muxed; |
---|
| 2796 | control = control; |
---|
| 2797 | |
---|
| 2798 | return vars; |
---|
| 2799 | } |
---|
| 2800 | |
---|
| 2801 | st_table *vl_write_stmt_list(FILE *file, lsList stmts, int muxed, vl_term *control, st_table *vars) |
---|
| 2802 | { |
---|
| 2803 | void *stmt; |
---|
| 2804 | lsHandle handle; |
---|
| 2805 | lsGen gen; |
---|
| 2806 | st_table *new_vars; |
---|
| 2807 | lsList vars_list, pause_list; |
---|
| 2808 | set_t *pauseSet; |
---|
| 2809 | |
---|
| 2810 | WrtTRACE("Writing stmt_list\n"); |
---|
| 2811 | |
---|
| 2812 | pauseSet = set_empty(); |
---|
| 2813 | if (vl_pauseStack) push_stack(vl_pauseStack, (void*)pauseSet); |
---|
| 2814 | pause_list = lsCreate(); |
---|
| 2815 | vars_list = lsCreate(); |
---|
| 2816 | |
---|
| 2817 | for (gen = lsStart(stmts); |
---|
| 2818 | lsNext(gen, (lsGeneric*)&stmt, &handle) != LS_NOMORE; ) { |
---|
| 2819 | new_vars = vl_write_stmt(file, stmt, muxed, control, vars); |
---|
| 2820 | |
---|
| 2821 | |
---|
| 2822 | vars = new_vars; |
---|
| 2823 | } |
---|
| 2824 | (void) lsFinish(gen); |
---|
| 2825 | if (vl_pauseStack) pop_stack(vl_pauseStack, (void**)&pauseSet); |
---|
| 2826 | set_destroy(pauseSet); |
---|
| 2827 | |
---|
| 2828 | |
---|
| 2829 | |
---|
| 2830 | lsDestroy(vars_list, 0); |
---|
| 2831 | lsDestroy(pause_list, (void (*)(lsGeneric))set_destroy); |
---|
| 2832 | |
---|
| 2833 | return vars; |
---|
| 2834 | } |
---|
| 2835 | |
---|
| 2836 | |
---|
| 2837 | void vl_write_expr_list(FILE *file, lsList exprs, st_table *vars) |
---|
| 2838 | { |
---|
| 2839 | vl_expr *expr; |
---|
| 2840 | lsHandle handle; |
---|
| 2841 | lsGen gen; |
---|
| 2842 | |
---|
| 2843 | WrtTRACE("Writing expr_list\n"); |
---|
| 2844 | |
---|
| 2845 | if (!exprs) return; |
---|
| 2846 | gen = lsStart(exprs); |
---|
| 2847 | if (lsNext(gen, (lsGeneric*)&expr, &handle) == LS_OK) { |
---|
| 2848 | vl_write_expr(file, expr, vars); |
---|
| 2849 | while (lsNext(gen, (lsGeneric*)&expr, &handle) != LS_NOMORE) { |
---|
| 2850 | vl_write_expr(file, expr, vars); |
---|
| 2851 | } |
---|
| 2852 | } |
---|
| 2853 | (void)lsFinish(gen); |
---|
| 2854 | } |
---|
| 2855 | |
---|
| 2856 | |
---|
| 2857 | |
---|
| 2858 | void vl_write_expr(FILE *file, vl_expr *expr, st_table *vars) |
---|
| 2859 | { |
---|
| 2860 | int lo, hi, sub_hi, sub_lo, inverted; |
---|
| 2861 | vl_term *term_in1, *term_in2, *term_out, *idx_term; |
---|
| 2862 | vl_id_range *id_sym; |
---|
| 2863 | var_info *id_var_info; |
---|
| 2864 | char term1[MAXSTRLEN/8]; |
---|
| 2865 | char *ripple=NIL(char); |
---|
| 2866 | int auto_declared = 0; |
---|
| 2867 | int hibit; |
---|
| 2868 | FILE *bufStream; |
---|
| 2869 | |
---|
| 2870 | if (!expr) return; |
---|
| 2871 | |
---|
| 2872 | WrtTRACE("write expr"); |
---|
| 2873 | |
---|
| 2874 | switch (expr->type) { |
---|
| 2875 | case BitExpr: |
---|
| 2876 | |
---|
| 2877 | hibit = strlen((char*)expr->u.exprs.e3)-1; |
---|
| 2878 | term_out = new_term(NIL(vl_range), 0, (hibit==0)?-1:hibit); |
---|
| 2879 | write_var_decl(file, term_out); |
---|
| 2880 | if (lhs_term) |
---|
| 2881 | term_out->flag = lhs_term->flag; |
---|
| 2882 | vl_write_const(file, expr, term_out); |
---|
| 2883 | expr->term = term_out; |
---|
| 2884 | break; |
---|
| 2885 | case IntExpr: break; |
---|
| 2886 | case RealExpr: break; |
---|
| 2887 | case IDExpr: |
---|
| 2888 | if (vars) { |
---|
| 2889 | |
---|
| 2890 | if (st_lookup(vars, expr->u.name->name, (char**)&id_var_info)) { |
---|
| 2891 | |
---|
| 2892 | |
---|
| 2893 | expr->term = term_out = |
---|
| 2894 | vl_copy_term(id_var_info->current_terminal); |
---|
| 2895 | break; |
---|
| 2896 | } |
---|
| 2897 | } |
---|
| 2898 | |
---|
| 2899 | { |
---|
| 2900 | int const_expr; |
---|
| 2901 | vl_id_range *ival; |
---|
| 2902 | const_expr = 0; |
---|
| 2903 | if (vl_currentModule->param_st) { |
---|
| 2904 | if (st_lookup(vl_currentModule->param_st, |
---|
| 2905 | expr->u.name->name, (char**)&ival)) |
---|
| 2906 | const_expr = 1; |
---|
| 2907 | } |
---|
| 2908 | if (!const_expr && vl_encloseModule) { |
---|
| 2909 | if (vl_encloseModule->param_st) |
---|
| 2910 | if (st_lookup(vl_encloseModule->param_st, |
---|
| 2911 | expr->u.name->name, (char**)&ival)) |
---|
| 2912 | const_expr = 1; |
---|
| 2913 | } |
---|
| 2914 | if (const_expr) { |
---|
| 2915 | write_const_param(file, expr, ival); |
---|
| 2916 | break; |
---|
| 2917 | } |
---|
| 2918 | } |
---|
| 2919 | |
---|
| 2920 | |
---|
| 2921 | |
---|
| 2922 | if (!st_lookup(vl_currentModule->sig_st, |
---|
| 2923 | expr->u.name->name, (char**)&id_sym)){ |
---|
| 2924 | if (implicitDeclare) { |
---|
| 2925 | int retval; |
---|
| 2926 | st_insert(vl_currentModule->sig_st, expr->u.name->name, |
---|
| 2927 | (char*)vl_create_id_range(expr->u.name->name, |
---|
| 2928 | NIL(vl_range))); |
---|
| 2929 | retval = st_lookup(vl_currentModule->sig_st,expr->u.name->name, |
---|
| 2930 | (char**)&id_sym); |
---|
| 2931 | assert(retval); |
---|
| 2932 | auto_declared = 1; |
---|
| 2933 | } else { |
---|
| 2934 | char msg[MAXSTRLEN/8]; |
---|
| 2935 | yylineno = -1; |
---|
| 2936 | sprintf(msg, "'%s':%s not defined", |
---|
| 2937 | vl_currentModule->name->name, expr->u.name->name); |
---|
| 2938 | compile_error(msg); |
---|
| 2939 | } |
---|
| 2940 | } else { |
---|
| 2941 | id_sym->flags |= AccessedVar; |
---|
| 2942 | } |
---|
| 2943 | |
---|
| 2944 | |
---|
| 2945 | |
---|
| 2946 | if (sensitiveList) { |
---|
| 2947 | |
---|
| 2948 | if (check_rhs_sensitivity) { |
---|
| 2949 | if (!set_find(id_sym->name, sensitiveList)) { |
---|
| 2950 | recordCombAlways = 0; |
---|
| 2951 | if (vl_currentModule->combVar_st) { |
---|
| 2952 | vl_currentModule->combVar_st = NIL(set_t); |
---|
| 2953 | { |
---|
| 2954 | char buf[MAXSTRLEN/8]; |
---|
| 2955 | sprintf(buf, |
---|
| 2956 | "%s:combinational reduction failed on %s", |
---|
| 2957 | vl_currentModule->name->name, |
---|
| 2958 | id_sym->name); |
---|
| 2959 | yylineno = -1; |
---|
| 2960 | compile_error(buf); |
---|
| 2961 | } |
---|
| 2962 | } |
---|
| 2963 | } |
---|
| 2964 | } |
---|
| 2965 | } |
---|
| 2966 | |
---|
| 2967 | get_hilo(id_sym, &hi, &lo); |
---|
| 2968 | if (!(id_sym->flags & RegVar) && !(id_sym->flags & InPort) && |
---|
| 2969 | !(id_sym->flags & WireVar) && in_procedure && wireRegister) { |
---|
| 2970 | |
---|
| 2971 | char buf[MAXSTRLEN/8]; |
---|
| 2972 | sprintf(buf, "%s%s", expr->u.name->name, PIN_HIDDEN); |
---|
| 2973 | id_sym->flags |= HiddenLatch; |
---|
| 2974 | expr->term = term_out = |
---|
| 2975 | create_rename_term(expr->u.name, vlStrdup(buf), lo, hi); |
---|
| 2976 | } else if (!((id_sym->flags & InPort) && (id_sym->flags & RegVar))) { |
---|
| 2977 | expr->term = term_out = |
---|
| 2978 | vl_create_term(vl_copy_id_range(id_sym), lo, hi); |
---|
| 2979 | } else { |
---|
| 2980 | |
---|
| 2981 | char buf[MAXSTRLEN/8]; |
---|
| 2982 | expr->term = term_out = |
---|
| 2983 | vl_create_term(vl_copy_id_range(expr->u.name), lo, hi); |
---|
| 2984 | sprintf(buf, "%s%s%s", expr->term->name->name, SEP_DIR, PIN_IN); |
---|
| 2985 | vl_chk_free(expr->term->name->name); |
---|
| 2986 | expr->term->name->name = vlStrdup(buf); |
---|
| 2987 | } |
---|
| 2988 | if (auto_declared) id_sym->flags |= AutoDeclared; |
---|
| 2989 | term_out->flag = id_sym->flags; |
---|
| 2990 | term_out->term_type = id_sym->id_type; |
---|
| 2991 | break; |
---|
| 2992 | |
---|
| 2993 | |
---|
| 2994 | |
---|
| 2995 | |
---|
| 2996 | |
---|
| 2997 | |
---|
| 2998 | case BitSelExpr: case PartSelExpr: |
---|
| 2999 | |
---|
| 3000 | if (vars) { |
---|
| 3001 | |
---|
| 3002 | int const_expr; |
---|
| 3003 | vl_id_range *ival; |
---|
| 3004 | const_expr = 0; |
---|
| 3005 | if (vl_currentModule->param_st) { |
---|
| 3006 | if (st_lookup(vl_currentModule->param_st, |
---|
| 3007 | expr->u.name->name, (char**)&ival)) |
---|
| 3008 | const_expr = 1; |
---|
| 3009 | } |
---|
| 3010 | if (!const_expr && vl_encloseModule) { |
---|
| 3011 | if (vl_encloseModule->param_st) |
---|
| 3012 | if (st_lookup(vl_encloseModule->param_st, |
---|
| 3013 | expr->u.name->name, (char**)&ival)) |
---|
| 3014 | const_expr = 1; |
---|
| 3015 | } |
---|
| 3016 | if (const_expr) { |
---|
| 3017 | write_const_param(file, expr, ival); |
---|
| 3018 | break; |
---|
| 3019 | } |
---|
| 3020 | |
---|
| 3021 | if (st_lookup(vars, expr->u.name->name, (char**)&id_var_info)) { |
---|
| 3022 | |
---|
| 3023 | if (id_var_info->current_terminal->name->range) { |
---|
| 3024 | |
---|
| 3025 | vl_write_expr(file, expr->u.idrng->range->left, vars); |
---|
| 3026 | idx_term = expr->u.idrng->range->left->term; |
---|
| 3027 | expr->term = write_array_access(file, |
---|
| 3028 | id_var_info->current_terminal->name, |
---|
| 3029 | idx_term, |
---|
| 3030 | expr->u.idrng->range->left); |
---|
| 3031 | break; |
---|
| 3032 | } |
---|
| 3033 | } else { |
---|
| 3034 | |
---|
| 3035 | if (!st_lookup(vl_currentModule->sig_st, |
---|
| 3036 | expr->u.name->name, (char**)&id_sym)) { |
---|
| 3037 | char buf[MAXSTRLEN/8]; |
---|
| 3038 | sprintf(buf, "'%s': indexing into an undeclared var %s", |
---|
| 3039 | vl_currentModule->name->name, |
---|
| 3040 | expr->u.name->name); |
---|
| 3041 | yylineno = -1; |
---|
| 3042 | compile_error(buf); |
---|
| 3043 | } |
---|
| 3044 | if (id_sym->range) { |
---|
| 3045 | vl_write_expr(file, expr->u.idrng->range->left, vars); |
---|
| 3046 | idx_term = expr->u.idrng->range->left->term; |
---|
| 3047 | expr->term = write_array_access(file, id_sym, idx_term, |
---|
| 3048 | expr->u.idrng->range->left); |
---|
| 3049 | break; |
---|
| 3050 | } else { |
---|
| 3051 | |
---|
| 3052 | expr = expr; |
---|
| 3053 | |
---|
| 3054 | } |
---|
| 3055 | } |
---|
| 3056 | } else { |
---|
| 3057 | |
---|
| 3058 | if (!st_lookup(vl_currentModule->sig_st, |
---|
| 3059 | expr->u.name->name, (char**)&id_sym)) { |
---|
| 3060 | char buf[MAXSTRLEN/8]; |
---|
| 3061 | |
---|
| 3062 | sprintf(buf, "%s:'%s' is an undeclared indexing variable", |
---|
| 3063 | vl_currentModule->name->name, expr->u.name->name); |
---|
| 3064 | yylineno = -1; |
---|
| 3065 | compile_error(buf); |
---|
| 3066 | } |
---|
| 3067 | |
---|
| 3068 | if (id_sym->range) { |
---|
| 3069 | |
---|
| 3070 | vl_write_expr(file, expr->u.idrng->range->left, vars); |
---|
| 3071 | idx_term = expr->u.idrng->range->left->term; |
---|
| 3072 | expr->term = write_array_access(file, id_sym, idx_term, |
---|
| 3073 | expr->u.idrng->range->left); |
---|
| 3074 | break; |
---|
| 3075 | } else { |
---|
| 3076 | |
---|
| 3077 | expr = expr; |
---|
| 3078 | |
---|
| 3079 | } |
---|
| 3080 | } |
---|
| 3081 | |
---|
| 3082 | |
---|
| 3083 | |
---|
| 3084 | if (vars) { |
---|
| 3085 | if (st_lookup(vars, expr->u.name->name, (char**)&id_var_info)) { |
---|
| 3086 | |
---|
| 3087 | expr->term = vl_copy_term(id_var_info->current_terminal); |
---|
| 3088 | get_hilo(id_var_info->id, &hi, &lo); |
---|
| 3089 | } else { |
---|
| 3090 | |
---|
| 3091 | st_lookup(vl_currentModule->sig_st, |
---|
| 3092 | expr->u.name->name, (char**)&id_sym); |
---|
| 3093 | get_hilo(id_sym, &hi, &lo); |
---|
| 3094 | expr->term = vl_create_term(vl_copy_id_range(expr->u.name), |
---|
| 3095 | lo, hi); |
---|
| 3096 | } |
---|
| 3097 | } else { |
---|
| 3098 | |
---|
| 3099 | st_lookup(vl_currentModule->sig_st, |
---|
| 3100 | expr->u.name->name, (char**)&id_sym); |
---|
| 3101 | get_hilo(id_sym, &hi, &lo); |
---|
| 3102 | expr->term = vl_create_term(vl_copy_id_range(expr->u.name), |
---|
| 3103 | lo, hi); |
---|
| 3104 | } |
---|
| 3105 | |
---|
| 3106 | if ((lo > hi) && (expr->term->flag & MVar)) { |
---|
| 3107 | char buf[MAXSTRLEN/8]; |
---|
| 3108 | sprintf(buf,"idnexing into a scalar variable %s", |
---|
| 3109 | expr->term->name->name); |
---|
| 3110 | semantic_error(buf); |
---|
| 3111 | } |
---|
| 3112 | |
---|
| 3113 | |
---|
| 3114 | sub_lo = MAX(lo, vl_eval_expr(expr->u.idrng->range->left)); |
---|
| 3115 | if (expr->u.idrng->range->right) |
---|
| 3116 | sub_hi = MIN(hi, vl_eval_expr(expr->u.idrng->range->right)); |
---|
| 3117 | else |
---|
| 3118 | sub_hi = sub_lo; |
---|
| 3119 | |
---|
| 3120 | if (sub_hi < sub_lo) |
---|
| 3121 | if (sub_hi != -1 && sub_lo != 0) { |
---|
| 3122 | int temp; |
---|
| 3123 | |
---|
| 3124 | temp = sub_lo; |
---|
| 3125 | sub_lo = sub_hi; |
---|
| 3126 | sub_hi = temp; |
---|
| 3127 | } |
---|
| 3128 | |
---|
| 3129 | |
---|
| 3130 | expr->term->lo = sub_lo; |
---|
| 3131 | expr->term->hi = sub_hi; |
---|
| 3132 | break; |
---|
| 3133 | |
---|
| 3134 | |
---|
| 3135 | case MinTypMaxExpr: |
---|
| 3136 | vl_write_expr(file, expr->u.exprs.e1, vars); |
---|
| 3137 | expr->term = expr->u.exprs.e1->term; |
---|
| 3138 | break; |
---|
| 3139 | case ConcatExpr: { |
---|
| 3140 | vl_expr *e; |
---|
| 3141 | lsHandle handle; |
---|
| 3142 | lsGen gen=(lsGen)0; |
---|
| 3143 | int bitWidth=0; |
---|
| 3144 | int i, j, rep=1; |
---|
| 3145 | FILE *new_file; |
---|
| 3146 | |
---|
| 3147 | expr->term = term_out = new_term(NIL(vl_range), 0, -1); |
---|
| 3148 | if (expr->u.exprs.e2) { |
---|
| 3149 | rep = vl_eval_expr(expr->u.exprs.e2); |
---|
| 3150 | } |
---|
| 3151 | |
---|
| 3152 | insideConcat = 1; |
---|
| 3153 | term_out->lo = -1; |
---|
| 3154 | term_out->hi = -1; |
---|
| 3155 | new_file = vl_begin_buffer(); |
---|
| 3156 | j = 0; |
---|
| 3157 | for (i=0; i<rep; i++) { |
---|
| 3158 | for (gen = lsEnd((lsList)(expr->u.exprs.e1)); |
---|
| 3159 | lsPrev(gen, (lsGeneric*)&e, &handle) != LS_NOMORE;) { |
---|
| 3160 | vl_write_expr(new_file, e, vars); |
---|
| 3161 | if (e->term) { |
---|
| 3162 | bitWidth = (e->term->hi-e->term->lo+1); |
---|
| 3163 | bitWidth = (bitWidth>0) ? bitWidth : 1; |
---|
| 3164 | term_out->lo = term_out->hi + 1; |
---|
| 3165 | term_out->hi = term_out->lo + bitWidth - 1; |
---|
| 3166 | vl_write_bin_connect(new_file, e->term, term_out, 0); |
---|
| 3167 | } else { |
---|
| 3168 | if (e->type == IntExpr) { |
---|
| 3169 | bitWidth = min_bit_width(e->u.intval); |
---|
| 3170 | bitWidth = (bitWidth>0) ? bitWidth : 1; |
---|
| 3171 | e->term = new_term(NIL(vl_range), 0, bitWidth-1); |
---|
| 3172 | write_int_connect(new_file, e->u.intval, e->term); |
---|
| 3173 | term_out->lo = term_out->hi + 1; |
---|
| 3174 | term_out->hi = term_out->lo + bitWidth - 1; |
---|
| 3175 | vl_write_bin_connect(new_file, e->term, term_out, 0); |
---|
| 3176 | } else { |
---|
| 3177 | Translate_Warning("unknown width const in concatenation"); |
---|
| 3178 | bitWidth = 0; |
---|
| 3179 | } |
---|
| 3180 | } |
---|
| 3181 | j++; |
---|
| 3182 | } |
---|
| 3183 | } |
---|
| 3184 | term_out->lo = 0; |
---|
| 3185 | write_var_decl(file, term_out); |
---|
| 3186 | vl_append_buffer(file, new_file); |
---|
| 3187 | vl_close_buffer(new_file); |
---|
| 3188 | bitWidth--; |
---|
| 3189 | (void) lsFinish(gen); |
---|
| 3190 | insideConcat = 0; |
---|
| 3191 | |
---|
| 3192 | break; |
---|
| 3193 | } |
---|
| 3194 | |
---|
| 3195 | case StringExpr: break; |
---|
| 3196 | case FuncExpr: { |
---|
| 3197 | vl_function *func_def; |
---|
| 3198 | if (vl_currentFunction) { |
---|
| 3199 | vl_currentModule = vl_encloseModule; |
---|
| 3200 | } |
---|
| 3201 | if (!st_lookup(vl_currentModule->func_st,expr->u.func_call.name->name, |
---|
| 3202 | (char**)&func_def)) { |
---|
| 3203 | char buf[MAXSTRLEN/8]; |
---|
| 3204 | sprintf(buf, "'%s':function %s is used before declaration", |
---|
| 3205 | vl_currentModule->name->name, |
---|
| 3206 | expr->u.func_call.name->name); |
---|
| 3207 | yylineno = -1; |
---|
| 3208 | compile_error(buf); |
---|
| 3209 | } else { |
---|
| 3210 | expr->term = instantiate_function(file, func_def, |
---|
| 3211 | expr->u.func_call.args, vars); |
---|
| 3212 | } |
---|
| 3213 | if (vl_currentFunction) { |
---|
| 3214 | vl_currentModule = (vl_module*)vl_currentFunction; |
---|
| 3215 | } |
---|
| 3216 | break; |
---|
| 3217 | } |
---|
| 3218 | case UplusExpr: case UminusExpr: { |
---|
| 3219 | if (expr->type == UminusExpr) { |
---|
| 3220 | vl_expr *fake_expr; |
---|
| 3221 | fake_expr = vl_create_expr(BminusExpr, 0, (double)0.0, |
---|
| 3222 | vl_create_expr(IntExpr, 0, (double)0.0, |
---|
| 3223 | NIL(void), NIL(void), |
---|
| 3224 | NIL(void)), |
---|
| 3225 | expr->u.exprs.e1, NIL(void)); |
---|
| 3226 | vl_write_expr(file, fake_expr, vars); |
---|
| 3227 | vl_chk_free((char*)fake_expr); |
---|
| 3228 | expr->term = fake_expr->term; |
---|
| 3229 | } else { |
---|
| 3230 | vl_write_expr(file, expr->u.exprs.e1, vars); |
---|
| 3231 | expr->term = expr->u.exprs.e1->term; |
---|
| 3232 | } |
---|
| 3233 | break; |
---|
| 3234 | } |
---|
| 3235 | |
---|
| 3236 | case UnotExpr: |
---|
| 3237 | case UcomplExpr:inverted=1; goto write_expr; |
---|
| 3238 | |
---|
| 3239 | case UnandExpr: expr->type = UandExpr; inverted=1; goto write_expr; |
---|
| 3240 | case UnorExpr: expr->type = UorExpr; inverted=1; goto write_expr; |
---|
| 3241 | case UxnorExpr: expr->type = UxorExpr; inverted=1; goto write_expr; |
---|
| 3242 | case UandExpr: inverted=0; goto write_expr; |
---|
| 3243 | case UorExpr: inverted=0; goto write_expr; |
---|
| 3244 | case UxorExpr: inverted=0; |
---|
| 3245 | |
---|
| 3246 | write_expr: |
---|
| 3247 | |
---|
| 3248 | vl_write_expr(file, expr->u.exprs.e1, vars); |
---|
| 3249 | if (!expr->u.exprs.e1->term) { |
---|
| 3250 | |
---|
| 3251 | int val; |
---|
| 3252 | val = vl_eval_expr(expr); |
---|
| 3253 | expr->term = term_out = new_term(NIL(vl_range), 0, -1); |
---|
| 3254 | vl_write_const(file, expr, expr->term); |
---|
| 3255 | break; |
---|
| 3256 | } |
---|
| 3257 | vl_mv_to_bin(expr->u.exprs.e1->term); |
---|
| 3258 | term_in1=expr->u.exprs.e1->term; |
---|
| 3259 | |
---|
| 3260 | expr->term = term_out = new_term(NIL(vl_range), 0, -1); |
---|
| 3261 | |
---|
| 3262 | ripple = BLIF_GND; |
---|
| 3263 | if (term_in1->lo <= term_in1->hi) { |
---|
| 3264 | if (expr->type != UcomplExpr) { |
---|
| 3265 | write_var_decl(file, term_out); |
---|
| 3266 | vl_write_vector_red_op(file, expr->type, term_in1, inverted, |
---|
| 3267 | term_out); |
---|
| 3268 | } else { |
---|
| 3269 | term_out->lo = term_in1->lo; |
---|
| 3270 | term_out->hi = term_in1->hi; |
---|
| 3271 | write_var_decl(file, term_out); |
---|
| 3272 | vl_write_bin_connect(file, term_in1, term_out, 1); |
---|
| 3273 | } |
---|
| 3274 | } else { |
---|
| 3275 | |
---|
| 3276 | write_var_decl(file, term_out); |
---|
| 3277 | vl_write_bit_connect(file, |
---|
| 3278 | term_in1->name->name, term_out->name->name, |
---|
| 3279 | inverted); |
---|
| 3280 | } |
---|
| 3281 | if (inverted) { |
---|
| 3282 | switch (expr->type) { |
---|
| 3283 | case UandExpr: expr->type = UnandExpr; break; |
---|
| 3284 | case UorExpr: expr->type = UnorExpr; break; |
---|
| 3285 | case UxorExpr: expr->type = UxnorExpr; break; |
---|
| 3286 | } |
---|
| 3287 | } |
---|
| 3288 | vl_free_term(term_in1); |
---|
| 3289 | break; |
---|
| 3290 | |
---|
| 3291 | |
---|
| 3292 | case Beq3Expr: case Bneq3Expr: |
---|
| 3293 | case Beq2Expr: case Bneq2Expr: |
---|
| 3294 | expr->term = term_out = new_term(NIL(vl_range), 0, -1); |
---|
| 3295 | |
---|
| 3296 | vl_write_expr(file, expr->u.exprs.e1, vars); |
---|
| 3297 | vl_write_expr(file, expr->u.exprs.e2, vars); |
---|
| 3298 | |
---|
| 3299 | if (expr->u.exprs.e1->term && expr->u.exprs.e2->term) { |
---|
| 3300 | if (expr->u.exprs.e1->term->flag & AutoDeclared && |
---|
| 3301 | expr->u.exprs.e2->term->flag & AutoDeclared) { |
---|
| 3302 | char buf[MAXSTRLEN/8]; |
---|
| 3303 | vl_step_expr(stderr, expr); |
---|
| 3304 | fprintf(stderr, "\n"); |
---|
| 3305 | sprintf(buf, |
---|
| 3306 | "'%s': too many undefined variables for the binary operator\n", |
---|
| 3307 | vl_currentModule->name->name); |
---|
| 3308 | yylineno = -1; |
---|
| 3309 | compile_error(buf); |
---|
| 3310 | } |
---|
| 3311 | } |
---|
| 3312 | |
---|
| 3313 | if (!(expr->u.exprs.e1->term)) { |
---|
| 3314 | lo = (expr->u.exprs.e2->term) ? expr->u.exprs.e2->term->lo : 0; |
---|
| 3315 | hi = (expr->u.exprs.e2->term) ? expr->u.exprs.e2->term->hi : |
---|
| 3316 | MAX(data_width(expr->u.exprs.e1), |
---|
| 3317 | data_width(expr->u.exprs.e2)); |
---|
| 3318 | expr->u.exprs.e1->term = new_term(NIL(vl_range), lo, hi); |
---|
| 3319 | if (expr->u.exprs.e2->term) { |
---|
| 3320 | expr->u.exprs.e1->term->flag |= expr->u.exprs.e2->term->flag; |
---|
| 3321 | expr->u.exprs.e1->term->term_type = |
---|
| 3322 | expr->u.exprs.e2->term->term_type; |
---|
| 3323 | } |
---|
| 3324 | write_var_decl(file, expr->u.exprs.e1->term); |
---|
| 3325 | vl_write_const(file, expr->u.exprs.e1, expr->u.exprs.e1->term); |
---|
| 3326 | } |
---|
| 3327 | if (!(expr->u.exprs.e2->term)) { |
---|
| 3328 | lo = (expr->u.exprs.e1->term) ? expr->u.exprs.e1->term->lo : 0; |
---|
| 3329 | hi = (expr->u.exprs.e1->term) ? expr->u.exprs.e1->term->hi : |
---|
| 3330 | MAX(data_width(expr->u.exprs.e2), |
---|
| 3331 | data_width(expr->u.exprs.e1)); |
---|
| 3332 | expr->u.exprs.e2->term = new_term(NIL(vl_range), lo, hi); |
---|
| 3333 | if (expr->u.exprs.e1->term) { |
---|
| 3334 | expr->u.exprs.e2->term->flag |= expr->u.exprs.e1->term->flag; |
---|
| 3335 | expr->u.exprs.e2->term->term_type = |
---|
| 3336 | expr->u.exprs.e1->term->term_type; |
---|
| 3337 | } |
---|
| 3338 | write_var_decl(file, expr->u.exprs.e2->term); |
---|
| 3339 | vl_write_const(file, expr->u.exprs.e2, expr->u.exprs.e2->term); |
---|
| 3340 | } |
---|
| 3341 | |
---|
| 3342 | if ((expr->u.exprs.e1->term->term_type && |
---|
| 3343 | !expr->u.exprs.e2->term->term_type) || |
---|
| 3344 | (expr->u.exprs.e2->term->term_type && |
---|
| 3345 | !expr->u.exprs.e1->term->term_type)) { |
---|
| 3346 | vl_expr *e1, *e2; |
---|
| 3347 | vl_enumerator *enum_elt; |
---|
| 3348 | |
---|
| 3349 | if (!expr->u.exprs.e1->term->term_type) { |
---|
| 3350 | e1 = expr->u.exprs.e2; |
---|
| 3351 | e2 = expr->u.exprs.e1; |
---|
| 3352 | } else { |
---|
| 3353 | e1 = expr->u.exprs.e1; |
---|
| 3354 | e2 = expr->u.exprs.e2; |
---|
| 3355 | } |
---|
| 3356 | |
---|
| 3357 | if (e2->type != IDExpr) { |
---|
| 3358 | char buf[MAXSTRLEN/8]; |
---|
| 3359 | sprintf(buf, "'%s':comparing symbolic var '%s' with incompatible expr '%s'", |
---|
| 3360 | vl_currentModule->name->name, |
---|
| 3361 | e1->term->name->name, e2->term->name->name); |
---|
| 3362 | semantic_error(buf); |
---|
| 3363 | } |
---|
| 3364 | |
---|
| 3365 | if (st_lookup(e1->term->term_type->specifier-> |
---|
| 3366 | u.enum_type->domain_st, |
---|
| 3367 | e2->u.name->name, |
---|
| 3368 | (char**)&enum_elt)) { |
---|
| 3369 | e2->term = typed_new_term(e1->term->term_type, |
---|
| 3370 | e1->term->name->range, |
---|
| 3371 | e1->term->lo, e1->term->hi); |
---|
| 3372 | e2->term->flag = e1->term->flag; |
---|
| 3373 | write_var_decl(file, e2->term); |
---|
| 3374 | e2->type = IntExpr; |
---|
| 3375 | e2->u.intval = enum_elt->val; |
---|
| 3376 | vl_write_const(file, e2, e2->term); |
---|
| 3377 | } else { |
---|
| 3378 | char buf[MAXSTRLEN/8]; |
---|
| 3379 | |
---|
| 3380 | sprintf(buf, "'%s':comparing '%s' and '%s' of different domains", |
---|
| 3381 | vl_currentModule->name->name, |
---|
| 3382 | e1->term->name->name, e2->term->name->name); |
---|
| 3383 | semantic_error(buf); |
---|
| 3384 | } |
---|
| 3385 | } |
---|
| 3386 | |
---|
| 3387 | fprintf(file, "%s ", HSIS_COMMENT); |
---|
| 3388 | if (!NoDetailedComment) vl_step_expr(file, expr); |
---|
| 3389 | fprintf(file, "\n"); |
---|
| 3390 | |
---|
| 3391 | term_in1=expr->u.exprs.e1->term; |
---|
| 3392 | term_in2=expr->u.exprs.e2->term; |
---|
| 3393 | |
---|
| 3394 | term_in2->flag |= (term_in1->flag & MVar); |
---|
| 3395 | |
---|
| 3396 | if ((term_in1->flag&MVar) == (term_in2->flag&MVar)) { |
---|
| 3397 | if (term_in1->flag & MVar) { |
---|
| 3398 | vl_write_mv_comp(file, expr->type, |
---|
| 3399 | term_in1, term_in2, term_out); |
---|
| 3400 | } else { |
---|
| 3401 | vl_write_bin_comp(file, expr->type, |
---|
| 3402 | term_in1, term_in2, term_out); |
---|
| 3403 | } |
---|
| 3404 | } else if (term_in1->flag & MVar) { |
---|
| 3405 | vl_mv_to_bin(term_in1); |
---|
| 3406 | vl_write_bin_comp(file, expr->type, |
---|
| 3407 | term_in1, term_in2, term_out); |
---|
| 3408 | } else if (term_in2->flag & MVar) { |
---|
| 3409 | vl_mv_to_bin(term_in2); |
---|
| 3410 | vl_write_bin_comp(file, expr->type, |
---|
| 3411 | term_in1, term_in2, term_out); |
---|
| 3412 | } |
---|
| 3413 | |
---|
| 3414 | vl_free_term(term_in1); |
---|
| 3415 | vl_free_term(term_in2); |
---|
| 3416 | break; |
---|
| 3417 | |
---|
| 3418 | case BtimesExpr: case BdivExpr: case BremExpr: |
---|
| 3419 | sprintf(term1, "'%s':operator '*', '/', '%%' are not supported", |
---|
| 3420 | vl_currentModule->name->name); |
---|
| 3421 | yylineno = -1; |
---|
| 3422 | compile_error(term1); |
---|
| 3423 | break; |
---|
| 3424 | case BlshiftExpr: case BrshiftExpr: |
---|
| 3425 | sprintf(term1, "'%s':operator '<<', '>>' are not supported", |
---|
| 3426 | vl_currentModule->name->name); |
---|
| 3427 | yylineno = -1; |
---|
| 3428 | compile_error(term1); |
---|
| 3429 | break; |
---|
| 3430 | |
---|
| 3431 | case BlandExpr: case BlorExpr: |
---|
| 3432 | case BltExpr: case BleExpr: case BgtExpr: case BgeExpr: |
---|
| 3433 | |
---|
| 3434 | case BplusExpr: case BminusExpr: |
---|
| 3435 | case BandExpr: case BorExpr: case BxorExpr: case BxnorExpr: |
---|
| 3436 | vl_write_expr(file, expr->u.exprs.e1, vars); |
---|
| 3437 | vl_write_expr(file, expr->u.exprs.e2, vars); |
---|
| 3438 | if (!(expr->u.exprs.e1->term)) { |
---|
| 3439 | lo = (expr->u.exprs.e2->term) ? expr->u.exprs.e2->term->lo : 0; |
---|
| 3440 | hi = (expr->u.exprs.e2->term) ? expr->u.exprs.e2->term->hi : |
---|
| 3441 | MAX(data_width(expr->u.exprs.e1)-1, |
---|
| 3442 | data_width(expr->u.exprs.e2)-1); |
---|
| 3443 | if (lo==0 && hi==0) hi = -1; |
---|
| 3444 | expr->u.exprs.e1->term = new_term(NIL(vl_range), lo, hi); |
---|
| 3445 | write_var_decl(file, expr->u.exprs.e1->term); |
---|
| 3446 | vl_write_const(file, expr->u.exprs.e1, expr->u.exprs.e1->term); |
---|
| 3447 | } |
---|
| 3448 | if (!(expr->u.exprs.e2->term)) { |
---|
| 3449 | lo = (expr->u.exprs.e1->term) ? expr->u.exprs.e1->term->lo : 0; |
---|
| 3450 | hi = (expr->u.exprs.e1->term) ? expr->u.exprs.e1->term->hi : |
---|
| 3451 | MAX(data_width(expr->u.exprs.e2)-1, |
---|
| 3452 | data_width(expr->u.exprs.e1)-1); |
---|
| 3453 | if (lo==0 && hi==0) hi = -1; |
---|
| 3454 | expr->u.exprs.e2->term = new_term(NIL(vl_range), lo, hi); |
---|
| 3455 | write_var_decl(file, expr->u.exprs.e2->term); |
---|
| 3456 | vl_write_const(file, expr->u.exprs.e2, expr->u.exprs.e2->term); |
---|
| 3457 | } |
---|
| 3458 | vl_mv_to_bin(expr->u.exprs.e1->term); |
---|
| 3459 | vl_mv_to_bin(expr->u.exprs.e2->term); |
---|
| 3460 | |
---|
| 3461 | if (IS_VLR_LOG_OP(expr->type)) { |
---|
| 3462 | if (vector_width(expr->u.exprs.e1->term->lo, |
---|
| 3463 | expr->u.exprs.e1->term->hi) != 1) { |
---|
| 3464 | vl_term *red_term; |
---|
| 3465 | red_term = new_term(NIL(vl_range), 0, -1); |
---|
| 3466 | write_red_op(file, UorExpr, |
---|
| 3467 | expr->u.exprs.e1->term, NIL(vl_term), red_term); |
---|
| 3468 | expr->u.exprs.e1->term = red_term; |
---|
| 3469 | } |
---|
| 3470 | if (vector_width(expr->u.exprs.e2->term->lo, |
---|
| 3471 | expr->u.exprs.e2->term->hi) != 1) { |
---|
| 3472 | vl_term *red_term; |
---|
| 3473 | red_term = new_term(NIL(vl_range), 0, -1); |
---|
| 3474 | write_red_op(file, UorExpr, |
---|
| 3475 | expr->u.exprs.e2->term, NIL(vl_term), red_term); |
---|
| 3476 | expr->u.exprs.e2->term = red_term; |
---|
| 3477 | } |
---|
| 3478 | } |
---|
| 3479 | term_in1=expr->u.exprs.e1->term; |
---|
| 3480 | term_in2=expr->u.exprs.e2->term; |
---|
| 3481 | |
---|
| 3482 | fprintf(file, "%s ", HSIS_COMMENT); |
---|
| 3483 | if (!NoDetailedComment) vl_step_expr(file, expr); |
---|
| 3484 | fprintf(file, "\n"); |
---|
| 3485 | |
---|
| 3486 | expr->term = term_out = new_term(NIL(vl_range), 0, -1); |
---|
| 3487 | if (term_in1) |
---|
| 3488 | if (term_in1->name->unintType) |
---|
| 3489 | expr->term->name->unintType = term_in1->name->unintType; |
---|
| 3490 | if (term_in2) |
---|
| 3491 | if (term_in2->name->unintType) |
---|
| 3492 | expr->term->name->unintType = term_in2->name->unintType; |
---|
| 3493 | |
---|
| 3494 | if (term_in1->lo > term_in1->hi) { |
---|
| 3495 | term_out->lo = term_in2->lo; |
---|
| 3496 | term_out->hi = term_in2->hi; |
---|
| 3497 | } else if (term_in2->lo > term_in2->hi) { |
---|
| 3498 | term_out->lo = term_in1->lo; |
---|
| 3499 | term_out->hi = term_in1->hi; |
---|
| 3500 | } else { |
---|
| 3501 | term_out->lo = 0; |
---|
| 3502 | |
---|
| 3503 | term_out->hi = MAX(term_in1->hi-term_in1->lo, |
---|
| 3504 | term_in2->hi-term_in2->lo); |
---|
| 3505 | } |
---|
| 3506 | |
---|
| 3507 | if (expr->type == BplusExpr || expr->type ==BminusExpr) { |
---|
| 3508 | if (vector_width(lhs_lo,lhs_hi) > |
---|
| 3509 | vector_width(term_out->lo,term_out->hi)) { |
---|
| 3510 | if (term_out->lo > term_out->hi) |
---|
| 3511 | term_out->hi = 1; |
---|
| 3512 | else |
---|
| 3513 | term_out->hi++; |
---|
| 3514 | } |
---|
| 3515 | } else if (expr->type == BlshiftExpr || expr->type == BrshiftExpr) { |
---|
| 3516 | if (vector_width(lhs_lo,lhs_hi) > |
---|
| 3517 | vector_width(term_out->lo, term_out->hi)) { |
---|
| 3518 | term_out->lo = lhs_lo; |
---|
| 3519 | term_out->hi = lhs_hi; |
---|
| 3520 | } |
---|
| 3521 | } |
---|
| 3522 | |
---|
| 3523 | bufStream = openStream(); |
---|
| 3524 | if (Use_MV_Lib) |
---|
| 3525 | vl_write_mv_lib(bufStream, |
---|
| 3526 | expr->type, term_in1, term_in2, term_out); |
---|
| 3527 | else |
---|
| 3528 | ripple = vl_write_vector_bop(bufStream, expr->type, |
---|
| 3529 | term_in1, term_in2, term_out); |
---|
| 3530 | write_var_decl(file, term_out); |
---|
| 3531 | dumpStream(file, bufStream); |
---|
| 3532 | closeStream(bufStream); |
---|
| 3533 | |
---|
| 3534 | if (Use_MV_Lib) { |
---|
| 3535 | if (expr->type == BplusExpr || expr->type == BminusExpr) { |
---|
| 3536 | char buf[MAXSTRLEN/8]; |
---|
| 3537 | |
---|
| 3538 | sprintf(buf, "%s%s%d%s", |
---|
| 3539 | term_out->name->name, |
---|
| 3540 | SEP_LBITSELECT, ++term_out->hi, SEP_RBITSELECT); |
---|
| 3541 | vl_write_bit_connect(file, ripple, buf, 0); |
---|
| 3542 | } |
---|
| 3543 | } |
---|
| 3544 | |
---|
| 3545 | vl_free_term(term_in1); |
---|
| 3546 | vl_free_term(term_in2); |
---|
| 3547 | break; |
---|
| 3548 | |
---|
| 3549 | case TcondExpr: |
---|
| 3550 | vl_write_expr(file, expr->u.exprs.e1, vars); |
---|
| 3551 | vl_write_expr(file, expr->u.exprs.e2, vars); |
---|
| 3552 | vl_write_expr(file, expr->u.exprs.e3, vars); |
---|
| 3553 | if (!(expr->u.exprs.e1->term)) { |
---|
| 3554 | |
---|
| 3555 | expr->u.exprs.e1->term = new_term(NIL(vl_range), 0, -1); |
---|
| 3556 | vl_write_const(file, expr->u.exprs.e1, expr->u.exprs.e1->term); |
---|
| 3557 | } |
---|
| 3558 | if (!expr->u.exprs.e2->term && !expr->u.exprs.e3->term && |
---|
| 3559 | lhs_term) { |
---|
| 3560 | lo = lhs_lo; hi = lhs_hi; |
---|
| 3561 | |
---|
| 3562 | expr->u.exprs.e2->term = new_term(NIL(vl_range), lo, hi); |
---|
| 3563 | expr->u.exprs.e2->term->flag = lhs_term->flag; |
---|
| 3564 | expr->u.exprs.e2->term->term_type = lhs_term->term_type; |
---|
| 3565 | write_var_decl(file, expr->u.exprs.e2->term); |
---|
| 3566 | vl_write_const(file, expr->u.exprs.e2, expr->u.exprs.e2->term); |
---|
| 3567 | |
---|
| 3568 | expr->u.exprs.e3->term = new_term(NIL(vl_range), lo, hi); |
---|
| 3569 | expr->u.exprs.e3->term->flag = lhs_term->flag; |
---|
| 3570 | expr->u.exprs.e3->term->term_type = lhs_term->term_type; |
---|
| 3571 | write_var_decl(file, expr->u.exprs.e3->term); |
---|
| 3572 | vl_write_const(file, expr->u.exprs.e3, expr->u.exprs.e3->term); |
---|
| 3573 | } |
---|
| 3574 | if (!(expr->u.exprs.e2->term)) { |
---|
| 3575 | lo = (expr->u.exprs.e3->term) ? expr->u.exprs.e3->term->lo : 0; |
---|
| 3576 | hi = (expr->u.exprs.e3->term) ? expr->u.exprs.e3->term->hi : |
---|
| 3577 | MAX(data_width(expr->u.exprs.e2), |
---|
| 3578 | data_width(expr->u.exprs.e3)); |
---|
| 3579 | expr->u.exprs.e2->term = new_term(NIL(vl_range), lo, hi); |
---|
| 3580 | expr->u.exprs.e2->term->flag = expr->u.exprs.e3->term->flag; |
---|
| 3581 | expr->u.exprs.e2->term->term_type = |
---|
| 3582 | expr->u.exprs.e3->term->term_type; |
---|
| 3583 | write_var_decl(file, expr->u.exprs.e2->term); |
---|
| 3584 | vl_write_const(file, expr->u.exprs.e2, expr->u.exprs.e2->term); |
---|
| 3585 | } |
---|
| 3586 | if (!(expr->u.exprs.e3->term)) { |
---|
| 3587 | lo = (expr->u.exprs.e2->term) ? expr->u.exprs.e2->term->lo : 0; |
---|
| 3588 | hi = (expr->u.exprs.e2->term) ? expr->u.exprs.e2->term->hi : |
---|
| 3589 | MAX(data_width(expr->u.exprs.e3), |
---|
| 3590 | data_width(expr->u.exprs.e2)); |
---|
| 3591 | expr->u.exprs.e3->term = new_term(NIL(vl_range), lo, hi); |
---|
| 3592 | expr->u.exprs.e3->term->flag = expr->u.exprs.e2->term->flag; |
---|
| 3593 | expr->u.exprs.e3->term->term_type = |
---|
| 3594 | expr->u.exprs.e2->term->term_type; |
---|
| 3595 | write_var_decl(file, expr->u.exprs.e3->term); |
---|
| 3596 | vl_write_const(file, expr->u.exprs.e3, expr->u.exprs.e3->term); |
---|
| 3597 | } |
---|
| 3598 | |
---|
| 3599 | if ((expr->u.exprs.e2->term->term_type && |
---|
| 3600 | !expr->u.exprs.e3->term->term_type) || |
---|
| 3601 | (expr->u.exprs.e3->term->term_type && |
---|
| 3602 | !expr->u.exprs.e2->term->term_type)) { |
---|
| 3603 | vl_expr *e1, *e2; |
---|
| 3604 | vl_enumerator *enum_elt; |
---|
| 3605 | |
---|
| 3606 | if (!expr->u.exprs.e2->term->term_type) { |
---|
| 3607 | e1 = expr->u.exprs.e3; |
---|
| 3608 | e2 = expr->u.exprs.e2; |
---|
| 3609 | } else { |
---|
| 3610 | e1 = expr->u.exprs.e2; |
---|
| 3611 | e2 = expr->u.exprs.e3; |
---|
| 3612 | } |
---|
| 3613 | |
---|
| 3614 | if (st_lookup(e1->term->term_type->specifier-> |
---|
| 3615 | u.enum_type->domain_st, |
---|
| 3616 | e2->u.name->name, |
---|
| 3617 | (char**)&enum_elt)) { |
---|
| 3618 | e2->term = typed_new_term(e1->term->term_type, |
---|
| 3619 | e1->term->name->range, |
---|
| 3620 | e1->term->lo, e1->term->hi); |
---|
| 3621 | e2->term->flag = e1->term->flag; |
---|
| 3622 | write_var_decl(file, e2->term); |
---|
| 3623 | e2->type = IntExpr; |
---|
| 3624 | e2->u.intval = enum_elt->val; |
---|
| 3625 | vl_write_const(file, e2, e2->term); |
---|
| 3626 | } else { |
---|
| 3627 | char buf[MAXSTRLEN/8]; |
---|
| 3628 | |
---|
| 3629 | sprintf(buf, "'%s':comparing '%s' and '%s' of different domains", |
---|
| 3630 | vl_currentModule->name->name, |
---|
| 3631 | e1->term->name->name, e2->term->name->name); |
---|
| 3632 | semantic_error(buf); |
---|
| 3633 | } |
---|
| 3634 | } |
---|
| 3635 | |
---|
| 3636 | if (!expr->u.exprs.e2 && !expr->u.exprs.e3) { |
---|
| 3637 | vl_expr *e; |
---|
| 3638 | vl_enumerator *enum_elt; |
---|
| 3639 | |
---|
| 3640 | e = expr->u.exprs.e2; |
---|
| 3641 | if (st_lookup(lhs_term->term_type->specifier-> |
---|
| 3642 | u.enum_type->domain_st, |
---|
| 3643 | e->u.name->name, (char**)&enum_elt)) { |
---|
| 3644 | e->term = typed_new_term(lhs_term->term_type, |
---|
| 3645 | lhs_term->name->range, |
---|
| 3646 | lhs_term->lo, lhs_term->hi); |
---|
| 3647 | e->term->flag = lhs_term->flag; |
---|
| 3648 | write_var_decl(file, e->term); |
---|
| 3649 | e->type = IntExpr; |
---|
| 3650 | e->u.intval = enum_elt->val; |
---|
| 3651 | vl_write_const(file, e, e->term); |
---|
| 3652 | } else { |
---|
| 3653 | char buf[MAXSTRLEN/8]; |
---|
| 3654 | |
---|
| 3655 | sprintf(buf, "'%s':assign '%s' to '%s' of different domains", |
---|
| 3656 | vl_currentModule->name->name, |
---|
| 3657 | e->term->name->name, lhs_term->name->name); |
---|
| 3658 | semantic_error(buf); |
---|
| 3659 | } |
---|
| 3660 | |
---|
| 3661 | e = expr->u.exprs.e3; |
---|
| 3662 | if (st_lookup(lhs_term->term_type->specifier-> |
---|
| 3663 | u.enum_type->domain_st, |
---|
| 3664 | e->u.name->name, (char**)&enum_elt)) { |
---|
| 3665 | e->term = typed_new_term(lhs_term->term_type, |
---|
| 3666 | lhs_term->name->range, |
---|
| 3667 | lhs_term->lo, lhs_term->hi); |
---|
| 3668 | e->term->flag = lhs_term->flag; |
---|
| 3669 | write_var_decl(file, e->term); |
---|
| 3670 | e->type = IntExpr; |
---|
| 3671 | e->u.intval = enum_elt->val; |
---|
| 3672 | vl_write_const(file, e, e->term); |
---|
| 3673 | } else { |
---|
| 3674 | char buf[MAXSTRLEN/8]; |
---|
| 3675 | |
---|
| 3676 | sprintf(buf, "'%s':assign '%s' to '%s' of different domains", |
---|
| 3677 | vl_currentModule->name->name, |
---|
| 3678 | e->term->name->name, lhs_term->name->name); |
---|
| 3679 | semantic_error(buf); |
---|
| 3680 | } |
---|
| 3681 | } |
---|
| 3682 | |
---|
| 3683 | term_in1=expr->u.exprs.e2->term; |
---|
| 3684 | term_in2=expr->u.exprs.e3->term; |
---|
| 3685 | |
---|
| 3686 | fprintf(file, "%s ", HSIS_COMMENT); |
---|
| 3687 | if (!NoDetailedComment) vl_step_expr(file, expr); |
---|
| 3688 | fprintf(file, "\n"); |
---|
| 3689 | |
---|
| 3690 | expr->term = term_out = new_term(NIL(vl_range), 0, -1); |
---|
| 3691 | term_out->flag = term_in1->flag; |
---|
| 3692 | term_out->term_type = term_in1->term_type; |
---|
| 3693 | |
---|
| 3694 | if (lhs_term) { |
---|
| 3695 | if (insideConcat) { |
---|
| 3696 | if (vector_width(term_in1->lo, term_in1->hi) == |
---|
| 3697 | vector_width(term_in2->lo, term_in2->hi)) { |
---|
| 3698 | |
---|
| 3699 | |
---|
| 3700 | term_out->lo = 0; |
---|
| 3701 | term_out->hi = vector_width(term_in1->lo,term_in1->hi)-1; |
---|
| 3702 | } else { |
---|
| 3703 | |
---|
| 3704 | term_out->lo = lhs_term->lo; |
---|
| 3705 | term_out->hi = lhs_term->hi; |
---|
| 3706 | } |
---|
| 3707 | } else { |
---|
| 3708 | term_out->lo = lhs_term->lo; |
---|
| 3709 | term_out->hi = lhs_term->hi; |
---|
| 3710 | } |
---|
| 3711 | |
---|
| 3712 | |
---|
| 3713 | if (vector_width(term_in1->lo, term_in1->hi) < |
---|
| 3714 | vector_width(term_out->lo, term_out->hi)) { |
---|
| 3715 | vl_term *tmp_term; |
---|
| 3716 | tmp_term = new_term(NIL(vl_range), term_out->lo, term_out->hi); |
---|
| 3717 | write_var_decl(file, tmp_term); |
---|
| 3718 | expand_term(file, term_in1, tmp_term); |
---|
| 3719 | vl_free_term(term_in1); |
---|
| 3720 | term_in1 = tmp_term; |
---|
| 3721 | } else if (vector_width(term_in1->lo, term_in1->hi) > |
---|
| 3722 | vector_width(term_out->lo, term_out->hi)) { |
---|
| 3723 | vl_term *tmp_term; |
---|
| 3724 | tmp_term = new_term(NIL(vl_range), term_out->lo, term_out->hi); |
---|
| 3725 | write_var_decl(file, tmp_term); |
---|
| 3726 | shrink_term(file, term_in1, tmp_term); |
---|
| 3727 | vl_free_term(term_in1); |
---|
| 3728 | term_in1 = tmp_term; |
---|
| 3729 | } |
---|
| 3730 | if (vector_width(term_in2->lo, term_in2->hi) < |
---|
| 3731 | vector_width(term_out->lo, term_out->hi)) { |
---|
| 3732 | vl_term *tmp_term; |
---|
| 3733 | tmp_term = new_term(NIL(vl_range), term_out->lo, term_out->hi); |
---|
| 3734 | write_var_decl(file, tmp_term); |
---|
| 3735 | expand_term(file, term_in2, tmp_term); |
---|
| 3736 | vl_free_term(term_in2); |
---|
| 3737 | term_in2 = tmp_term; |
---|
| 3738 | } else if (vector_width(term_in2->lo, term_in2->hi) > |
---|
| 3739 | vector_width(term_out->lo, term_out->hi)) { |
---|
| 3740 | vl_term *tmp_term; |
---|
| 3741 | tmp_term = new_term(NIL(vl_range), term_out->lo, term_out->hi); |
---|
| 3742 | write_var_decl(file, tmp_term); |
---|
| 3743 | shrink_term(file, term_in2, tmp_term); |
---|
| 3744 | vl_free_term(term_in2); |
---|
| 3745 | term_in2 = tmp_term; |
---|
| 3746 | } |
---|
| 3747 | } else { |
---|
| 3748 | if (term_in1->lo > term_in1->hi) { |
---|
| 3749 | |
---|
| 3750 | term_out->lo = term_in2->lo; |
---|
| 3751 | term_out->hi = term_in2->hi; |
---|
| 3752 | } else if (term_in2->lo > term_in2->hi) { |
---|
| 3753 | term_out->lo = term_in1->lo; |
---|
| 3754 | term_out->hi = term_in1->hi; |
---|
| 3755 | } else { |
---|
| 3756 | term_out->lo = 0; |
---|
| 3757 | if (term_in1->hi-term_in1->lo != term_in2->hi-term_in2->lo) { |
---|
| 3758 | char buf[MAXSTRLEN/8]; |
---|
| 3759 | |
---|
| 3760 | sprintf(buf, "'%s':different vector sizes %s %s", |
---|
| 3761 | vl_currentModule->name->name, |
---|
| 3762 | term_in1->name->name, term_in2->name->name); |
---|
| 3763 | Translate_Warning(buf); |
---|
| 3764 | } |
---|
| 3765 | term_out->hi = MIN(term_in1->hi-term_in1->lo, |
---|
| 3766 | term_in2->hi-term_in2->lo); |
---|
| 3767 | } |
---|
| 3768 | } |
---|
| 3769 | write_var_decl(file, term_out); |
---|
| 3770 | |
---|
| 3771 | instantiate_mux(file, term_in1, term_in2, expr->u.exprs.e1->term, |
---|
| 3772 | term_out); |
---|
| 3773 | |
---|
| 3774 | vl_free_term(term_in1); |
---|
| 3775 | vl_free_term(term_in2); |
---|
| 3776 | break; |
---|
| 3777 | |
---|
| 3778 | case NondExpr: { |
---|
| 3779 | vl_term *nond_term=NIL(vl_term), *ctrl_term=NIL(vl_term); |
---|
| 3780 | lsList nond_list; |
---|
| 3781 | lsGen gen; |
---|
| 3782 | lsHandle handle; |
---|
| 3783 | vl_expr *nexp; |
---|
| 3784 | int i; |
---|
| 3785 | |
---|
| 3786 | if (vars && !rst_ckt) |
---|
| 3787 | semantic_error("don't use $ND in procedural block"); |
---|
| 3788 | |
---|
| 3789 | nond_list = lsCreate(); |
---|
| 3790 | if ((nd_check_ok == 0 && vis_nond) && !rst_ckt) { |
---|
| 3791 | char buf[MAXSTRLEN/8]; |
---|
| 3792 | yylineno = -1; |
---|
| 3793 | sprintf(buf, "'%s': The legal usage of $ND is continuous assignment:\n\tassign <var> = $ND(...);", |
---|
| 3794 | vl_currentModule->name->name); |
---|
| 3795 | compile_error(buf); |
---|
| 3796 | } |
---|
| 3797 | for (gen=lsStart(expr->u.expr_list), i=0; |
---|
| 3798 | lsNext(gen, (lsGeneric*)&nexp, &handle) != LS_NOMORE; i++) { |
---|
| 3799 | vl_write_expr(file, nexp, vars); |
---|
| 3800 | if (nexp->type == EventExpr || nexp->type == PosedgeEventExpr || |
---|
| 3801 | nexp->type == NegedgeEventExpr || nexp->type == OrEventExpr) { |
---|
| 3802 | |
---|
| 3803 | ctrl_term = NIL(vl_term); |
---|
| 3804 | } else { |
---|
| 3805 | lsNewEnd(nond_list, (lsGeneric)nexp, 0); |
---|
| 3806 | } |
---|
| 3807 | } |
---|
| 3808 | lsFinish(gen); |
---|
| 3809 | nond_term = vl_write_nond_wire(file, ctrl_term, nond_list, |
---|
| 3810 | lhs_term); |
---|
| 3811 | lsDestroy(nond_list, 0); |
---|
| 3812 | expr->term = nond_term; |
---|
| 3813 | if (!rst_ckt) |
---|
| 3814 | nd_check_ok = -1; |
---|
| 3815 | break; |
---|
| 3816 | } |
---|
| 3817 | } |
---|
| 3818 | |
---|
| 3819 | if (nd_check_ok == -1 && expr->type != NondExpr && vis_nond) { |
---|
| 3820 | char buf[MAXSTRLEN/8]; |
---|
| 3821 | yylineno = -1; |
---|
| 3822 | sprintf(buf, "'%s': The legal usage of $ND is continuous assignment:\n\tassign <var> = $ND(...);", |
---|
| 3823 | vl_currentModule->name->name); |
---|
| 3824 | compile_error(buf); |
---|
| 3825 | } |
---|
| 3826 | if (nd_check_ok != -1) |
---|
| 3827 | nd_check_ok = 0; |
---|
| 3828 | } |
---|
| 3829 | |
---|
| 3830 | |
---|
| 3831 | |
---|
| 3832 | set_t *vl_write_event_expr(FILE *file, vl_event_expr *event) |
---|
| 3833 | { |
---|
| 3834 | set_t *retval=NIL(set_t); |
---|
| 3835 | vl_event_expr *e; |
---|
| 3836 | lsGen gen; |
---|
| 3837 | lsHandle handle; |
---|
| 3838 | st_generator *stgen; |
---|
| 3839 | vl_term *et; |
---|
| 3840 | char *dummy; |
---|
| 3841 | int i, j; |
---|
| 3842 | |
---|
| 3843 | WrtTRACE("writing event_expr\n"); |
---|
| 3844 | if (event == NIL(vl_event_expr)) return retval; |
---|
| 3845 | |
---|
| 3846 | switch(event->type) { |
---|
| 3847 | case OrEventExpr: |
---|
| 3848 | retval = st_init_table(ptrcmp, ptrhash); |
---|
| 3849 | gen = lsStart(event->list); |
---|
| 3850 | while (lsNext(gen, (lsGeneric*)&e, &handle) != LS_NOMORE) { |
---|
| 3851 | vl_write_event_expr(file, e); |
---|
| 3852 | st_insert(retval, (char*)edge_triggering, 0); |
---|
| 3853 | } |
---|
| 3854 | lsFinish(gen); |
---|
| 3855 | |
---|
| 3856 | assert(st_count(retval) == lsLength(event->list)); |
---|
| 3857 | edge_triggering = new_term(NIL(vl_range), 0, -1); |
---|
| 3858 | fprintf(file, ".names "); |
---|
| 3859 | stgen = st_init_gen(retval); |
---|
| 3860 | while (st_gen(stgen, (char**)&et, &dummy)) { |
---|
| 3861 | fprintf(file, "%s ", et->name->name); |
---|
| 3862 | } |
---|
| 3863 | st_free_gen(stgen); |
---|
| 3864 | fprintf(file, "%s\n%s 0\n", |
---|
| 3865 | edge_triggering->name->name, HSIS_DEFAULT); |
---|
| 3866 | for (i=0; i<st_count(retval); i++) { |
---|
| 3867 | for (j=0; j<i; j++) fprintf(file, "- "); |
---|
| 3868 | j++; fprintf(file, "1 "); |
---|
| 3869 | for (; j<st_count(retval); j++) fprintf(file, "- "); |
---|
| 3870 | fprintf(file, "1\n"); |
---|
| 3871 | } |
---|
| 3872 | retval = NIL(set_t); |
---|
| 3873 | |
---|
| 3874 | |
---|
| 3875 | break; |
---|
| 3876 | case NegedgeEventExpr: |
---|
| 3877 | edge_triggering = write_edge_detector(file, event->expr, -1); |
---|
| 3878 | break; |
---|
| 3879 | case PosedgeEventExpr: |
---|
| 3880 | edge_triggering = write_edge_detector(file, event->expr, 1); |
---|
| 3881 | break; |
---|
| 3882 | case EdgeEventExpr: |
---|
| 3883 | break; |
---|
| 3884 | case EventExpr: |
---|
| 3885 | |
---|
| 3886 | edge_triggering = write_edge_detector(file, event->expr, 0); |
---|
| 3887 | break; |
---|
| 3888 | default: |
---|
| 3889 | internal_error("Unexpected EventExpr Type"); |
---|
| 3890 | break; |
---|
| 3891 | } |
---|
| 3892 | |
---|
| 3893 | return retval; |
---|
| 3894 | } |
---|
| 3895 | |
---|
| 3896 | |
---|
| 3897 | |
---|
| 3898 | int vl_eval_expr(vl_expr *expr) |
---|
| 3899 | { |
---|
| 3900 | int i, val; |
---|
| 3901 | int min, typ, max; |
---|
| 3902 | double minf=0, typf=0, maxf=0; |
---|
| 3903 | int aux1_flag, aux2_flag, aux3_flag; |
---|
| 3904 | |
---|
| 3905 | if (!expr) return 0; |
---|
| 3906 | switch (expr->type) { |
---|
| 3907 | case BitExpr: return expr->u.bexpr.part1; |
---|
| 3908 | case IntExpr: return expr->u.intval; |
---|
| 3909 | case RealExpr: |
---|
| 3910 | vl_expr_aux1_val = expr->u.realval; |
---|
| 3911 | vl_expr_aux1_flag = 1; |
---|
| 3912 | return (int)expr->u.realval; |
---|
| 3913 | case IDExpr: { |
---|
| 3914 | vl_id_range *id_sym; |
---|
| 3915 | int cant_evaluate=0; |
---|
| 3916 | int cant_find=0; |
---|
| 3917 | |
---|
| 3918 | if (vl_currentPrimitive) |
---|
| 3919 | cant_evaluate = 1; |
---|
| 3920 | if (!vl_currentModule->param_st) |
---|
| 3921 | cant_evaluate = 1; |
---|
| 3922 | if (!cant_evaluate) |
---|
| 3923 | if (!st_lookup(vl_currentModule->param_st, expr->u.name->name, |
---|
| 3924 | (char**)&id_sym)) |
---|
| 3925 | cant_find = 1; |
---|
| 3926 | if (vl_encloseModule && !cant_evaluate) |
---|
| 3927 | if (cant_find) |
---|
| 3928 | if (st_lookup(vl_encloseModule->param_st, expr->u.name->name, |
---|
| 3929 | (char**)&id_sym)) |
---|
| 3930 | cant_find=0; |
---|
| 3931 | if (cant_evaluate || cant_find) { |
---|
| 3932 | char buf[MAXSTRLEN]; |
---|
| 3933 | sprintf(buf, "%s:eval_expr:need constant instead of variable %s", |
---|
| 3934 | vl_currentModule->name->name, |
---|
| 3935 | expr->u.name->name); |
---|
| 3936 | yylineno = -1; |
---|
| 3937 | if (silent_err) { |
---|
| 3938 | Vlerrno = 1; |
---|
| 3939 | return 0; |
---|
| 3940 | } else |
---|
| 3941 | compile_error(buf); |
---|
| 3942 | } |
---|
| 3943 | |
---|
| 3944 | return (int)(id_sym->mpg_master_exp); |
---|
| 3945 | } |
---|
| 3946 | case BitSelExpr: case PartSelExpr: |
---|
| 3947 | if (!silent_err) { |
---|
| 3948 | vl_step_expr(stderr, expr); |
---|
| 3949 | yylineno = -1; |
---|
| 3950 | compile_error("need constant instead of variable"); |
---|
| 3951 | } else { |
---|
| 3952 | Vlerrno = 1; |
---|
| 3953 | return 0; |
---|
| 3954 | } |
---|
| 3955 | case ConcatExpr: { |
---|
| 3956 | int i, rep=1; |
---|
| 3957 | int acc=0, val, width; |
---|
| 3958 | lsGen gen; |
---|
| 3959 | lsHandle handle; |
---|
| 3960 | vl_expr *e; |
---|
| 3961 | if (expr->u.exprs.e2) { |
---|
| 3962 | rep = vl_eval_expr(expr->u.exprs.e2); |
---|
| 3963 | } |
---|
| 3964 | for (i=0; i<rep; i++) { |
---|
| 3965 | for (gen=lsStart((lsList)(expr->u.exprs.e1)); |
---|
| 3966 | lsNext(gen, (lsGeneric*)&e, &handle) != LS_NOMORE;) { |
---|
| 3967 | if (e->type != BitExpr) width_unknown(); |
---|
| 3968 | val = vl_eval_expr(e); |
---|
| 3969 | width = strlen((char*)e->u.exprs.e3); |
---|
| 3970 | acc = (acc << width) | val; |
---|
| 3971 | } |
---|
| 3972 | lsFinish(gen); |
---|
| 3973 | } |
---|
| 3974 | |
---|
| 3975 | return acc; |
---|
| 3976 | } |
---|
| 3977 | |
---|
| 3978 | case MinTypMaxExpr: |
---|
| 3979 | aux1_flag = aux2_flag = aux3_flag = 0; |
---|
| 3980 | min = vl_eval_expr(expr->u.exprs.e1); |
---|
| 3981 | aux1_flag=1; |
---|
| 3982 | if (vl_expr_aux1_val) minf=vl_expr_aux1_val; |
---|
| 3983 | else minf = min; |
---|
| 3984 | if (expr->u.exprs.e2) { |
---|
| 3985 | typ = vl_eval_expr(expr->u.exprs.e2); |
---|
| 3986 | aux2_flag=1; |
---|
| 3987 | if (vl_expr_aux1_val) typf=vl_expr_aux1_val; |
---|
| 3988 | else typf = typ; |
---|
| 3989 | } |
---|
| 3990 | if (expr->u.exprs.e3) { |
---|
| 3991 | max = vl_eval_expr(expr->u.exprs.e2); |
---|
| 3992 | aux3_flag=1; |
---|
| 3993 | if (vl_expr_aux1_val) maxf=vl_expr_aux1_val; |
---|
| 3994 | else maxf = max; |
---|
| 3995 | } |
---|
| 3996 | if (!vl_expr_aux3_flag) { |
---|
| 3997 | aux3_flag = aux2_flag; |
---|
| 3998 | aux2_flag = 0; |
---|
| 3999 | max = typ; maxf = typf; |
---|
| 4000 | typ = 0; typf = (double)0; |
---|
| 4001 | } |
---|
| 4002 | vl_expr_aux1_flag = aux1_flag; |
---|
| 4003 | vl_expr_aux2_flag = aux2_flag; |
---|
| 4004 | vl_expr_aux3_flag = aux3_flag; |
---|
| 4005 | vl_expr_aux1_val = minf; |
---|
| 4006 | vl_expr_aux2_val = typf; |
---|
| 4007 | vl_expr_aux3_val = maxf; |
---|
| 4008 | return min; |
---|
| 4009 | case StringExpr: break; |
---|
| 4010 | case FuncExpr: |
---|
| 4011 | case UplusExpr: return vl_eval_expr(expr->u.exprs.e1); |
---|
| 4012 | case UminusExpr: return -vl_eval_expr(expr->u.exprs.e1); |
---|
| 4013 | case UnotExpr: return !vl_eval_expr(expr->u.exprs.e1); |
---|
| 4014 | case UcomplExpr: return ~vl_eval_expr(expr->u.exprs.e1); |
---|
| 4015 | |
---|
| 4016 | case UnandExpr: case UandExpr: |
---|
| 4017 | case UnorExpr: case UorExpr: |
---|
| 4018 | case UxnorExpr: case UxorExpr: |
---|
| 4019 | Translate_Warning("reduction on constant"); |
---|
| 4020 | for (i=0, val = vl_eval_expr(expr->u.exprs.e1); i<MAXBITNUM-2; i++) { |
---|
| 4021 | switch (expr->type) { |
---|
| 4022 | case UnandExpr: case UandExpr: |
---|
| 4023 | val = (val & 1) & (val >> 1); break; |
---|
| 4024 | case UnorExpr: case UorExpr: |
---|
| 4025 | val = (val & 1) | (val >> 1); break; |
---|
| 4026 | case UxnorExpr: case UxorExpr: |
---|
| 4027 | val = (val & 1) ^ (val >> 1); break; |
---|
| 4028 | } |
---|
| 4029 | val >>= 1; |
---|
| 4030 | } |
---|
| 4031 | if (expr->type == UnandExpr || |
---|
| 4032 | expr->type == UnorExpr || |
---|
| 4033 | expr->type == UxnorExpr) |
---|
| 4034 | val = !val; |
---|
| 4035 | |
---|
| 4036 | case BtimesExpr: |
---|
| 4037 | return vl_eval_expr(expr->u.exprs.e1) * vl_eval_expr(expr->u.exprs.e2); |
---|
| 4038 | case BdivExpr: |
---|
| 4039 | return vl_eval_expr(expr->u.exprs.e1) / vl_eval_expr(expr->u.exprs.e2); |
---|
| 4040 | case BremExpr: |
---|
| 4041 | return vl_eval_expr(expr->u.exprs.e1) % vl_eval_expr(expr->u.exprs.e2); |
---|
| 4042 | case BlshiftExpr: |
---|
| 4043 | return vl_eval_expr(expr->u.exprs.e1) << vl_eval_expr(expr->u.exprs.e2); |
---|
| 4044 | case BrshiftExpr: |
---|
| 4045 | return vl_eval_expr(expr->u.exprs.e1) >> vl_eval_expr(expr->u.exprs.e2); |
---|
| 4046 | |
---|
| 4047 | |
---|
| 4048 | |
---|
| 4049 | case Beq3Expr: |
---|
| 4050 | return vl_eval_expr(expr->u.exprs.e1) == vl_eval_expr(expr->u.exprs.e2); |
---|
| 4051 | case Bneq3Expr: |
---|
| 4052 | return vl_eval_expr(expr->u.exprs.e1) != vl_eval_expr(expr->u.exprs.e2); |
---|
| 4053 | case Beq2Expr: |
---|
| 4054 | return vl_eval_expr(expr->u.exprs.e1) == vl_eval_expr(expr->u.exprs.e2); |
---|
| 4055 | case Bneq2Expr: |
---|
| 4056 | return vl_eval_expr(expr->u.exprs.e1) != vl_eval_expr(expr->u.exprs.e2); |
---|
| 4057 | |
---|
| 4058 | case BlandExpr: |
---|
| 4059 | return vl_eval_expr(expr->u.exprs.e1) && vl_eval_expr(expr->u.exprs.e2); |
---|
| 4060 | case BlorExpr: |
---|
| 4061 | return vl_eval_expr(expr->u.exprs.e1) || vl_eval_expr(expr->u.exprs.e2); |
---|
| 4062 | case BltExpr: |
---|
| 4063 | return vl_eval_expr(expr->u.exprs.e1) < vl_eval_expr(expr->u.exprs.e2); |
---|
| 4064 | case BleExpr: |
---|
| 4065 | return vl_eval_expr(expr->u.exprs.e1) <= vl_eval_expr(expr->u.exprs.e2); |
---|
| 4066 | case BgtExpr: |
---|
| 4067 | return vl_eval_expr(expr->u.exprs.e1) > vl_eval_expr(expr->u.exprs.e2); |
---|
| 4068 | case BgeExpr: |
---|
| 4069 | return vl_eval_expr(expr->u.exprs.e1) >= vl_eval_expr(expr->u.exprs.e2); |
---|
| 4070 | case BplusExpr: |
---|
| 4071 | return vl_eval_expr(expr->u.exprs.e1) + vl_eval_expr(expr->u.exprs.e2); |
---|
| 4072 | case BminusExpr: |
---|
| 4073 | return vl_eval_expr(expr->u.exprs.e1) - vl_eval_expr(expr->u.exprs.e2); |
---|
| 4074 | case BandExpr: |
---|
| 4075 | return vl_eval_expr(expr->u.exprs.e1) & vl_eval_expr(expr->u.exprs.e2); |
---|
| 4076 | case BorExpr: |
---|
| 4077 | return vl_eval_expr(expr->u.exprs.e1) | vl_eval_expr(expr->u.exprs.e2); |
---|
| 4078 | case BxorExpr: |
---|
| 4079 | return vl_eval_expr(expr->u.exprs.e1) ^ vl_eval_expr(expr->u.exprs.e2); |
---|
| 4080 | case BxnorExpr: |
---|
| 4081 | return ~(vl_eval_expr(expr->u.exprs.e1) ^vl_eval_expr(expr->u.exprs.e2)); |
---|
| 4082 | |
---|
| 4083 | case TcondExpr: |
---|
| 4084 | return (vl_eval_expr(expr->u.exprs.e1)) ? |
---|
| 4085 | vl_eval_expr(expr->u.exprs.e2) : vl_eval_expr(expr->u.exprs.e3); |
---|
| 4086 | } |
---|
| 4087 | |
---|
| 4088 | return 0; |
---|
| 4089 | } |
---|
| 4090 | |
---|
| 4091 | |
---|
| 4092 | st_table *create_var_muxes(FILE *file, vl_term *sel, st_table *t_vars, st_table *f_vars, st_table *vars) |
---|
| 4093 | { |
---|
| 4094 | int lo=0, hi=0; |
---|
| 4095 | var_info *cur_var; |
---|
| 4096 | st_generator *gen; |
---|
| 4097 | var_info *t_in, *f_in; |
---|
| 4098 | char *key, buf[MAXSTRLEN]; |
---|
| 4099 | vl_term *term_out; |
---|
| 4100 | |
---|
| 4101 | |
---|
| 4102 | gen = st_init_gen(t_vars); |
---|
| 4103 | while (st_gen(gen, &key, (char**)&t_in)) { |
---|
| 4104 | |
---|
| 4105 | if (strstr(key,SEP_LATCH)) continue; |
---|
| 4106 | if (strstr(key,SEP_QUASI)) continue; |
---|
| 4107 | |
---|
| 4108 | sprintf(buf, "%s%s%s%s%s%s", |
---|
| 4109 | t_in->id->name, SEP_GATEPIN, descape(sel->name->name,'\\','_'), |
---|
| 4110 | SEP_GATEPIN, PIN_RAWOUT, new_termname()); |
---|
| 4111 | if (st_lookup(f_vars, key, (char**)&f_in)) { |
---|
| 4112 | if (st_lookup(vars, key, (char**)&cur_var)) { |
---|
| 4113 | int t_in_cur_var, f_in_cur_var; |
---|
| 4114 | |
---|
| 4115 | t_in_cur_var = !strcmp(t_in->current_terminal->name->name, |
---|
| 4116 | cur_var->current_terminal->name->name); |
---|
| 4117 | f_in_cur_var = !strcmp(f_in->current_terminal->name->name, |
---|
| 4118 | cur_var->current_terminal->name->name); |
---|
| 4119 | |
---|
| 4120 | |
---|
| 4121 | if ( t_in_cur_var && f_in_cur_var) |
---|
| 4122 | continue; |
---|
| 4123 | |
---|
| 4124 | |
---|
| 4125 | if ((strstr(t_in->current_terminal->name->name, SEP_GATEPIN) || |
---|
| 4126 | strstr(f_in->current_terminal->name->name, SEP_GATEPIN)) && |
---|
| 4127 | !(t_in->current_terminal->hi == -1 || |
---|
| 4128 | f_in->current_terminal->hi == -1) && |
---|
| 4129 | (t_in->current_terminal->hi!=f_in->current_terminal->hi || |
---|
| 4130 | t_in->current_terminal->lo!=f_in->current_terminal->lo)) { |
---|
| 4131 | if (t_in->current_terminal->hi != |
---|
| 4132 | f_in->current_terminal->hi || |
---|
| 4133 | t_in->current_terminal->lo != |
---|
| 4134 | f_in->current_terminal->lo) { |
---|
| 4135 | int i, t_need_extend, f_need_extend; |
---|
| 4136 | char in_buf[MAXSTRLEN], out_buf[MAXSTRLEN]; |
---|
| 4137 | vl_term *t_new_term=NIL(vl_term), |
---|
| 4138 | *f_new_term=NIL(vl_term); |
---|
| 4139 | |
---|
| 4140 | hi = MAX(t_in->current_terminal->hi,f_in->current_terminal->hi); |
---|
| 4141 | lo = MIN(t_in->current_terminal->lo,f_in->current_terminal->lo); |
---|
| 4142 | t_need_extend = (hi > t_in->current_terminal->hi || |
---|
| 4143 | lo < t_in->current_terminal->lo); |
---|
| 4144 | f_need_extend = (hi > f_in->current_terminal->hi || |
---|
| 4145 | lo < f_in->current_terminal->lo); |
---|
| 4146 | if (t_need_extend) { |
---|
| 4147 | t_new_term = |
---|
| 4148 | typed_new_term(t_in->current_terminal->term_type, |
---|
| 4149 | t_in->id->range, lo, hi); |
---|
| 4150 | write_var_decl(file, t_new_term); |
---|
| 4151 | } |
---|
| 4152 | if (f_need_extend) { |
---|
| 4153 | f_new_term = |
---|
| 4154 | typed_new_term(f_in->current_terminal->term_type, |
---|
| 4155 | f_in->id->range, lo, hi); |
---|
| 4156 | write_var_decl(file, f_new_term); |
---|
| 4157 | } |
---|
| 4158 | for (i=lo; i<=hi; i++) { |
---|
| 4159 | if (t_need_extend) { |
---|
| 4160 | if (i < t_in->current_terminal->lo || |
---|
| 4161 | i > t_in->current_terminal->hi) { |
---|
| 4162 | var_info *curr_var_info; |
---|
| 4163 | |
---|
| 4164 | st_lookup(vars, t_in->id->name, |
---|
| 4165 | (char**)&curr_var_info); |
---|
| 4166 | if (i >= |
---|
| 4167 | curr_var_info->current_terminal->lo && |
---|
| 4168 | i <= |
---|
| 4169 | curr_var_info->current_terminal->hi) { |
---|
| 4170 | sprintf(in_buf, "%s%s%d%s", |
---|
| 4171 | curr_var_info-> |
---|
| 4172 | current_terminal->name->name, |
---|
| 4173 | SEP_LBITSELECT, |
---|
| 4174 | i, |
---|
| 4175 | SEP_RBITSELECT); |
---|
| 4176 | |
---|
| 4177 | } else { |
---|
| 4178 | sprintf(in_buf, "%s%s%d%s", |
---|
| 4179 | t_in->id->name, |
---|
| 4180 | SEP_LBITSELECT, |
---|
| 4181 | i, |
---|
| 4182 | SEP_RBITSELECT); |
---|
| 4183 | } |
---|
| 4184 | } else { |
---|
| 4185 | sprintf(in_buf, "%s%s%d%s", |
---|
| 4186 | t_in->current_terminal->name->name, |
---|
| 4187 | SEP_LBITSELECT, i, SEP_RBITSELECT); |
---|
| 4188 | } |
---|
| 4189 | sprintf(out_buf, "%s%s%d%s", |
---|
| 4190 | t_new_term->name->name, |
---|
| 4191 | SEP_LBITSELECT, i, SEP_RBITSELECT); |
---|
| 4192 | vl_write_bit_connect(file, in_buf, out_buf, 0); |
---|
| 4193 | } |
---|
| 4194 | if (f_need_extend) { |
---|
| 4195 | if (i < f_in->current_terminal->lo || |
---|
| 4196 | i > f_in->current_terminal->hi) { |
---|
| 4197 | var_info *curr_var_info; |
---|
| 4198 | |
---|
| 4199 | st_lookup(vars, t_in->id->name, |
---|
| 4200 | (char**)&curr_var_info); |
---|
| 4201 | if (i >= |
---|
| 4202 | curr_var_info->current_terminal->lo && |
---|
| 4203 | i <= |
---|
| 4204 | curr_var_info->current_terminal->hi) { |
---|
| 4205 | sprintf(in_buf, "%s%s%d%s", |
---|
| 4206 | curr_var_info-> |
---|
| 4207 | current_terminal->name->name, |
---|
| 4208 | SEP_LBITSELECT, |
---|
| 4209 | i, |
---|
| 4210 | SEP_RBITSELECT); |
---|
| 4211 | } else { |
---|
| 4212 | sprintf(in_buf, "%s%s%d%s", |
---|
| 4213 | f_in->id->name, |
---|
| 4214 | SEP_LBITSELECT, |
---|
| 4215 | i, |
---|
| 4216 | SEP_RBITSELECT); |
---|
| 4217 | } |
---|
| 4218 | } else { |
---|
| 4219 | sprintf(in_buf, "%s%s%d%s", |
---|
| 4220 | f_in->current_terminal->name->name, |
---|
| 4221 | SEP_LBITSELECT, i, SEP_RBITSELECT); |
---|
| 4222 | } |
---|
| 4223 | sprintf(out_buf, "%s%s%d%s", |
---|
| 4224 | f_new_term->name->name, |
---|
| 4225 | SEP_LBITSELECT, i, SEP_RBITSELECT); |
---|
| 4226 | vl_write_bit_connect(file, in_buf, out_buf, 0); |
---|
| 4227 | } |
---|
| 4228 | } |
---|
| 4229 | if (t_need_extend) |
---|
| 4230 | t_in->current_terminal = t_new_term; |
---|
| 4231 | if (f_need_extend) |
---|
| 4232 | f_in->current_terminal = f_new_term; |
---|
| 4233 | } |
---|
| 4234 | } else { |
---|
| 4235 | if (t_in->current_terminal->hi-t_in->current_terminal->lo>= |
---|
| 4236 | f_in->current_terminal->hi-f_in->current_terminal->lo){ |
---|
| 4237 | lo = t_in->current_terminal->lo; |
---|
| 4238 | hi = t_in->current_terminal->hi; |
---|
| 4239 | } else { |
---|
| 4240 | lo = f_in->current_terminal->lo; |
---|
| 4241 | hi = f_in->current_terminal->hi; |
---|
| 4242 | } |
---|
| 4243 | } |
---|
| 4244 | term_out = create_rename_term(t_in->id, buf, lo, hi); |
---|
| 4245 | term_out->flag = t_in->current_terminal->flag; |
---|
| 4246 | |
---|
| 4247 | write_var_decl(file, term_out); |
---|
| 4248 | instantiate_mux(file, |
---|
| 4249 | t_in->current_terminal, |
---|
| 4250 | f_in->current_terminal, |
---|
| 4251 | sel, term_out); |
---|
| 4252 | cur_var->current_terminal = term_out; |
---|
| 4253 | |
---|
| 4254 | |
---|
| 4255 | if (!t_in_cur_var && !f_in_cur_var) { |
---|
| 4256 | continue; |
---|
| 4257 | } |
---|
| 4258 | |
---|
| 4259 | |
---|
| 4260 | if (!t_in_cur_var && f_in_cur_var) { |
---|
| 4261 | continue; |
---|
| 4262 | } |
---|
| 4263 | |
---|
| 4264 | |
---|
| 4265 | if (t_in_cur_var && !f_in_cur_var) { |
---|
| 4266 | continue; |
---|
| 4267 | } |
---|
| 4268 | } |
---|
| 4269 | } |
---|
| 4270 | } |
---|
| 4271 | st_free_gen(gen); |
---|
| 4272 | |
---|
| 4273 | gen = st_init_gen(t_vars); |
---|
| 4274 | while (st_gen(gen, &key, (char**)&t_in)) { |
---|
| 4275 | |
---|
| 4276 | if (strstr(key,SEP_LATCH)) continue; |
---|
| 4277 | if (strstr(key,SEP_QUASI)) continue; |
---|
| 4278 | |
---|
| 4279 | sprintf(buf, "%s%s%s%s%s%s", |
---|
| 4280 | t_in->id->name, SEP_GATEPIN, descape(sel->name->name,'\\','_'), |
---|
| 4281 | SEP_GATEPIN, PIN_RAWOUT, new_termname()); |
---|
| 4282 | if (st_lookup(f_vars, key, (char**)&f_in)) { |
---|
| 4283 | if (!st_lookup(vars, key, (char**)&cur_var)) { |
---|
| 4284 | |
---|
| 4285 | if (t_in->current_terminal->hi-t_in->current_terminal->lo >= |
---|
| 4286 | f_in->current_terminal->hi-f_in->current_terminal->lo) { |
---|
| 4287 | lo = t_in->current_terminal->lo; |
---|
| 4288 | hi = t_in->current_terminal->hi; |
---|
| 4289 | } else { |
---|
| 4290 | lo = f_in->current_terminal->lo; |
---|
| 4291 | hi = f_in->current_terminal->hi; |
---|
| 4292 | } |
---|
| 4293 | term_out = create_rename_term(t_in->id, buf, lo, hi); |
---|
| 4294 | term_out->flag |= t_in->current_terminal->flag; |
---|
| 4295 | write_var_decl(file, term_out); |
---|
| 4296 | instantiate_mux(file, t_in->current_terminal, |
---|
| 4297 | f_in->current_terminal, |
---|
| 4298 | sel, term_out); |
---|
| 4299 | |
---|
| 4300 | |
---|
| 4301 | assert(!st_lookup(vars,key,(char**)&cur_var)); |
---|
| 4302 | st_insert(vars, key, |
---|
| 4303 | (char*)create_var_info(vl_copy_id_range(t_in->id), |
---|
| 4304 | term_out)); |
---|
| 4305 | |
---|
| 4306 | |
---|
| 4307 | } |
---|
| 4308 | } |
---|
| 4309 | } |
---|
| 4310 | st_free_gen(gen); |
---|
| 4311 | |
---|
| 4312 | |
---|
| 4313 | |
---|
| 4314 | gen = st_init_gen(t_vars); |
---|
| 4315 | while (st_gen(gen, &key, (char**)&t_in)) { |
---|
| 4316 | |
---|
| 4317 | if (strstr(key,SEP_LATCH)) continue; |
---|
| 4318 | if (strstr(key,SEP_QUASI)) continue; |
---|
| 4319 | |
---|
| 4320 | sprintf(buf, "%s%s%s%s%s%s", |
---|
| 4321 | t_in->id->name, SEP_GATEPIN, descape(sel->name->name,'\\','_'), |
---|
| 4322 | SEP_GATEPIN, PIN_RAWOUT, new_termname()); |
---|
| 4323 | if (!st_lookup(f_vars, key, (char**)&f_in)) { |
---|
| 4324 | vl_term *orig_id; |
---|
| 4325 | char *dummy; |
---|
| 4326 | |
---|
| 4327 | |
---|
| 4328 | term_out = create_rename_term(t_in->id, buf, |
---|
| 4329 | t_in->current_terminal->lo, |
---|
| 4330 | t_in->current_terminal->hi); |
---|
| 4331 | term_out->flag |= t_in->current_terminal->flag; |
---|
| 4332 | orig_id = |
---|
| 4333 | vl_create_term(((t_in->id->flags & EventVar) && smartEvent)? |
---|
| 4334 | vl_create_id_range(WRT_BLIF_GND(file), |
---|
| 4335 | NIL(vl_range)) : |
---|
| 4336 | vl_copy_id_range(t_in->id), |
---|
| 4337 | t_in->current_terminal->lo, |
---|
| 4338 | t_in->current_terminal->hi); |
---|
| 4339 | if (vl_currentModule->combVar_st) |
---|
| 4340 | if (st_lookup(vl_currentModule->combVar_st, |
---|
| 4341 | orig_id->name->name, &dummy)) { |
---|
| 4342 | vl_free_term(orig_id); |
---|
| 4343 | orig_id = true_term(file); |
---|
| 4344 | } |
---|
| 4345 | if (vl_currentFunction) { |
---|
| 4346 | vl_free_term(orig_id); |
---|
| 4347 | orig_id = true_term(file); |
---|
| 4348 | } |
---|
| 4349 | orig_id->flag = t_in->current_terminal->flag; |
---|
| 4350 | write_var_decl(file, term_out); |
---|
| 4351 | if (rst_ckt) { |
---|
| 4352 | instantiate_mux(file, t_in->current_terminal, |
---|
| 4353 | t_in->current_terminal, |
---|
| 4354 | sel, term_out); |
---|
| 4355 | } else { |
---|
| 4356 | instantiate_mux(file, t_in->current_terminal, orig_id, |
---|
| 4357 | sel, term_out); |
---|
| 4358 | } |
---|
| 4359 | vl_free_term(orig_id); |
---|
| 4360 | |
---|
| 4361 | st_insert(vars, key, |
---|
| 4362 | (char*)create_var_info(vl_copy_id_range(t_in->id), |
---|
| 4363 | term_out)); |
---|
| 4364 | } |
---|
| 4365 | } |
---|
| 4366 | st_free_gen(gen); |
---|
| 4367 | |
---|
| 4368 | |
---|
| 4369 | |
---|
| 4370 | gen = st_init_gen(f_vars); |
---|
| 4371 | while (st_gen(gen, &key, (char**)&f_in)) { |
---|
| 4372 | |
---|
| 4373 | if (strstr(key,SEP_LATCH)) continue; |
---|
| 4374 | if (strstr(key,SEP_QUASI)) continue; |
---|
| 4375 | |
---|
| 4376 | sprintf(buf, "%s%s%s%s%s%s", |
---|
| 4377 | f_in->id->name, SEP_GATEPIN, descape(sel->name->name,'\\','_'), |
---|
| 4378 | SEP_GATEPIN, PIN_RAWOUT, new_termname()); |
---|
| 4379 | if (!st_lookup(t_vars, key, (char**)&t_in)) { |
---|
| 4380 | vl_term *orig_id; |
---|
| 4381 | |
---|
| 4382 | |
---|
| 4383 | term_out = create_rename_term(f_in->id, buf, |
---|
| 4384 | f_in->current_terminal->lo, |
---|
| 4385 | f_in->current_terminal->hi); |
---|
| 4386 | term_out->flag |= f_in->current_terminal->flag; |
---|
| 4387 | orig_id = |
---|
| 4388 | vl_create_term(((f_in->id->flags & EventVar) && smartEvent)? |
---|
| 4389 | vl_create_id_range(WRT_BLIF_GND(file), |
---|
| 4390 | NIL(vl_range)) : |
---|
| 4391 | vl_copy_id_range(f_in->id), |
---|
| 4392 | f_in->current_terminal->lo, |
---|
| 4393 | f_in->current_terminal->hi); |
---|
| 4394 | orig_id->flag = f_in->current_terminal->flag; |
---|
| 4395 | |
---|
| 4396 | write_var_decl(file, term_out); |
---|
| 4397 | if (rst_ckt) { |
---|
| 4398 | instantiate_mux(file, f_in->current_terminal, |
---|
| 4399 | f_in->current_terminal, |
---|
| 4400 | sel, term_out); |
---|
| 4401 | } else { |
---|
| 4402 | instantiate_mux(file, orig_id, f_in->current_terminal, |
---|
| 4403 | sel, term_out); |
---|
| 4404 | } |
---|
| 4405 | vl_free_term(orig_id); |
---|
| 4406 | |
---|
| 4407 | st_insert(vars, key, |
---|
| 4408 | (char*)create_var_info(vl_copy_id_range(f_in->id), |
---|
| 4409 | term_out)); |
---|
| 4410 | } |
---|
| 4411 | } |
---|
| 4412 | st_free_gen(gen); |
---|
| 4413 | |
---|
| 4414 | return vars; |
---|
| 4415 | } |
---|
| 4416 | |
---|
| 4417 | |
---|
| 4418 | vl_term *write_case_comparator(FILE *file, vl_term *selector, lsList tags, st_table *vars) |
---|
| 4419 | { |
---|
| 4420 | int j; |
---|
| 4421 | vl_expr *expr; |
---|
| 4422 | lsHandle handle; |
---|
| 4423 | lsGen gen; |
---|
| 4424 | vl_term *term_out; |
---|
| 4425 | vl_term *comp_result; |
---|
| 4426 | char buf[MAXSTRLEN]; |
---|
| 4427 | |
---|
| 4428 | if (!tags) return NIL(vl_term); |
---|
| 4429 | |
---|
| 4430 | buf[0] = '\0'; |
---|
| 4431 | term_out = new_term(NIL(vl_range), 0, -1); |
---|
| 4432 | |
---|
| 4433 | for (gen = lsStart(tags); |
---|
| 4434 | lsNext(gen, (lsGeneric*)&expr, &handle) != LS_NOMORE; ) { |
---|
| 4435 | comp_result = new_term(NIL(vl_range), 0, -1); |
---|
| 4436 | |
---|
| 4437 | write_case_tag_const(file, selector, expr, vars); |
---|
| 4438 | |
---|
| 4439 | write_comparator(file, selector, expr->term, comp_result); |
---|
| 4440 | strcat(buf, comp_result->name->name); |
---|
| 4441 | strcat(buf, " "); |
---|
| 4442 | vl_free_term(comp_result); |
---|
| 4443 | comp_result = NIL(vl_term); |
---|
| 4444 | vl_free_term(expr->term); |
---|
| 4445 | expr->term = NIL(vl_term); |
---|
| 4446 | } |
---|
| 4447 | (void)lsFinish(gen); |
---|
| 4448 | |
---|
| 4449 | fprintf(file, ".names %s %s\n", buf, term_out->name->name); |
---|
| 4450 | |
---|
| 4451 | fprintf(file, ".def 1\n"); |
---|
| 4452 | for (j=0; j<lsLength(tags); j++) { |
---|
| 4453 | fprintf(file, "0 "); |
---|
| 4454 | } |
---|
| 4455 | fprintf(file, "0\n"); |
---|
| 4456 | |
---|
| 4457 | return term_out; |
---|
| 4458 | } |
---|
| 4459 | |
---|
| 4460 | char *vl_write_vector_bop(FILE *file, short type, vl_term *in1, vl_term *in2, vl_term *out) |
---|
| 4461 | { |
---|
| 4462 | char *ripple = NIL(char); |
---|
| 4463 | |
---|
| 4464 | if (ISREDUCTION(type)) { |
---|
| 4465 | ripple = write_red_op(file, type, in1, in2, out); |
---|
| 4466 | } else if (IS_VLR_REL_OP(type)) { |
---|
| 4467 | ripple = write_rel_vector_bop(file, type, in1, in2, out); |
---|
| 4468 | } else { |
---|
| 4469 | ripple = write_op_vector_bop(file, type, in1, in2, out); |
---|
| 4470 | } |
---|
| 4471 | |
---|
| 4472 | return ripple; |
---|
| 4473 | } |
---|
| 4474 | |
---|
| 4475 | |
---|
| 4476 | #define BLIF_BITCONNECT 0 |
---|
| 4477 | #define BLIF_NOT 1 |
---|
| 4478 | #define BLIF_AND 2 |
---|
| 4479 | #define BLIF_NAND 3 |
---|
| 4480 | #define BLIF_OR 4 |
---|
| 4481 | #define BLIF_NOR 5 |
---|
| 4482 | #define BLIF_XOR 6 |
---|
| 4483 | #define BLIF_XNOR 7 |
---|
| 4484 | #define BLIF_ADD 8 |
---|
| 4485 | #define BLIF_SUB 10 |
---|
| 4486 | #define BLIF_MUX 12 |
---|
| 4487 | |
---|
| 4488 | #define EXPR_TO_BLIF_FUNC(exprval) \ |
---|
| 4489 | ((exprval)==BlandExpr)? BLIF_AND : \ |
---|
| 4490 | ((exprval)==BlorExpr) ? BLIF_OR : \ |
---|
| 4491 | ((exprval)==BandExpr) ? BLIF_AND : \ |
---|
| 4492 | ((exprval)==BorExpr) ? BLIF_OR : \ |
---|
| 4493 | ((exprval)==BxorExpr) ? BLIF_XOR : \ |
---|
| 4494 | ((exprval)==BxnorExpr)? BLIF_XNOR: \ |
---|
| 4495 | ((exprval)==BplusExpr)? BLIF_ADD : \ |
---|
| 4496 | ((exprval)==BminusExpr)?BLIF_SUB : \ |
---|
| 4497 | ((exprval)==BltExpr) ? BLIF_SUB : \ |
---|
| 4498 | ((exprval)==BleExpr) ? BLIF_SUB : \ |
---|
| 4499 | ((exprval)==BgtExpr) ? BLIF_SUB : \ |
---|
| 4500 | ((exprval)==BgeExpr) ? BLIF_SUB : \ |
---|
| 4501 | ((exprval)==UandExpr) ? BLIF_AND : \ |
---|
| 4502 | ((exprval)==UnandExpr)? BLIF_NAND: \ |
---|
| 4503 | ((exprval)==UorExpr) ? BLIF_OR : \ |
---|
| 4504 | ((exprval)==UnorExpr) ? BLIF_NOR : \ |
---|
| 4505 | ((exprval)==UxorExpr) ? BLIF_XOR : 0 |
---|
| 4506 | |
---|
| 4507 | #define EXPR_TO_SMV_FUNC(exprval) \ |
---|
| 4508 | ((exprval)==BlandExpr)? SMV_AND : \ |
---|
| 4509 | ((exprval)==BlorExpr) ? SMV_OR : \ |
---|
| 4510 | ((exprval)==BandExpr) ? SMV_AND : \ |
---|
| 4511 | ((exprval)==BorExpr) ? SMV_OR : \ |
---|
| 4512 | ((exprval)==BxnorExpr)? SMV_EQUIV:\ |
---|
| 4513 | ((exprval)==BxorExpr) ? SMV_EQUIV: "???" |
---|
| 4514 | |
---|
| 4515 | static char *log_function[] = { |
---|
| 4516 | "0 0 \n1 1 \n", |
---|
| 4517 | "0 1 \n1 0 \n", |
---|
| 4518 | "0 0 0\n0 1 0\n1 0 0\n1 1 1\n", |
---|
| 4519 | "0 0 1\n0 1 1\n1 0 1\n1 1 0\n", |
---|
| 4520 | "0 0 0\n0 1 1\n1 0 1\n1 1 1\n", |
---|
| 4521 | "0 0 1\n0 1 0\n1 0 0\n1 1 0\n", |
---|
| 4522 | "0 0 0\n0 1 1\n1 0 1\n1 1 0\n", |
---|
| 4523 | "0 0 1\n0 1 0\n1 0 0\n1 1 1\n", |
---|
| 4524 | "0 0 0 0\n0 0 1 1\n0 1 0 1\n0 1 1 0\n1 0 0 1\n1 0 1 0\n1 1 0 0\n1 1 1 1\n", |
---|
| 4525 | "0 0 0 0\n0 0 1 0\n0 1 0 0\n0 1 1 1\n1 0 0 0\n1 0 1 1\n1 1 0 1\n1 1 1 1\n", |
---|
| 4526 | "0 0 0 0\n0 0 1 1\n0 1 0 1\n0 1 1 0\n1 0 0 1\n1 0 1 0\n1 1 0 0\n1 1 1 1\n", |
---|
| 4527 | "0 0 0 0\n0 0 1 1\n0 1 0 1\n0 1 1 1\n1 0 0 0\n1 0 1 0\n1 1 0 0\n1 1 1 1\n", |
---|
| 4528 | "0 - 0 0\n1 - 0 1\n- 0 1 0\n- 1 1 1\n" |
---|
| 4529 | }; |
---|
| 4530 | |
---|
| 4531 | static char *set_log_function[] = { |
---|
| 4532 | "0 0 \n1 1 \n", |
---|
| 4533 | "0 1 \n1 0 \n", |
---|
| 4534 | ".def 0\n1 1 1\n", |
---|
| 4535 | ".def 1\n1 1 0\n", |
---|
| 4536 | ".def 1\n0 0 0\n", |
---|
| 4537 | ".def 0\n0 0 1\n", |
---|
| 4538 | ".def 0\n0 1 1\n1 0 1\n", |
---|
| 4539 | ".def 1\n0 1 0\n1 0 0\n", |
---|
| 4540 | ".def 0\n0 0 1 1\n0 1 0 1\n1 0 0 1\n1 1 1 1\n", |
---|
| 4541 | ".def 0\n- 1 1 1\n1 - 1 1\n1 1 - 1\n", |
---|
| 4542 | ".def 0\n0 0 1 1\n0 1 0 1\n1 0 0 1\n1 1 1 1\n", |
---|
| 4543 | ".def 0\n0 - 1 1\n0 1 - 1\n- 1 1 1\n", |
---|
| 4544 | "0 - 0 0\n1 - 0 1\n- 0 1 0\n- 1 1 1\n" |
---|
| 4545 | }; |
---|
| 4546 | |
---|
| 4547 | |
---|
| 4548 | char *vl_write_bop(FILE *file, short type, char *in1, char *in2, char *auxin, char *out, int forbidden_ripple) |
---|
| 4549 | { |
---|
| 4550 | int mv_func; |
---|
| 4551 | char sbuf[MAXSTRLEN]; |
---|
| 4552 | static char ripplenet[MAXSTRLEN]; |
---|
| 4553 | char **func; |
---|
| 4554 | |
---|
| 4555 | func = (set_notation)?set_log_function:log_function; |
---|
| 4556 | switch(type) { |
---|
| 4557 | case BlandExpr: case BlorExpr: |
---|
| 4558 | case BandExpr: case BorExpr: case BxorExpr: case BxnorExpr: |
---|
| 4559 | mv_func = EXPR_TO_BLIF_FUNC(type); |
---|
| 4560 | fprintf(file, ".names %s %s %s\n", in1, in2, out); |
---|
| 4561 | fprintf(file, "%s", func[mv_func]); |
---|
| 4562 | sprintf(sbuf, "%s", out); |
---|
| 4563 | break; |
---|
| 4564 | case UnotExpr: type = UorExpr; |
---|
| 4565 | |
---|
| 4566 | case UandExpr: case UnandExpr: |
---|
| 4567 | case UorExpr: case UnorExpr: |
---|
| 4568 | case UxorExpr: case UxnorExpr: |
---|
| 4569 | sprintf(sbuf, "%s", new_termname()); |
---|
| 4570 | mv_func = EXPR_TO_BLIF_FUNC(type); |
---|
| 4571 | fprintf(file, ".names %s %s %s\n", in1, in2, sbuf); |
---|
| 4572 | fprintf(file, "%s", func[mv_func]); |
---|
| 4573 | sprintf(ripplenet, "%s", sbuf); |
---|
| 4574 | break; |
---|
| 4575 | case BplusExpr: case BminusExpr: |
---|
| 4576 | case BltExpr: case BleExpr: case BgtExpr: case BgeExpr: |
---|
| 4577 | mv_func = EXPR_TO_BLIF_FUNC(type); |
---|
| 4578 | fprintf(file, ".names %s %s %s %s\n", |
---|
| 4579 | in1, in2, |
---|
| 4580 | (auxin)?auxin:WRT_BLIF_GND(file), (out)?out:new_termname()); |
---|
| 4581 | fprintf(file, "%s", func[mv_func]); |
---|
| 4582 | if (!forbidden_ripple) { |
---|
| 4583 | sprintf(sbuf, "%s", new_termname()); |
---|
| 4584 | fprintf(file, "%s carry/borrow\n", HSIS_COMMENT); |
---|
| 4585 | fprintf(file, ".names %s %s %s %s\n", |
---|
| 4586 | in1, in2, (auxin)?auxin:WRT_BLIF_GND(file), sbuf); |
---|
| 4587 | fprintf(file, "%s", func[mv_func+1]); |
---|
| 4588 | sprintf(ripplenet, "%s", sbuf); |
---|
| 4589 | } |
---|
| 4590 | break; |
---|
| 4591 | } |
---|
| 4592 | |
---|
| 4593 | return ripplenet; |
---|
| 4594 | } |
---|
| 4595 | |
---|
| 4596 | |
---|
| 4597 | static void vl_write_vector_red_op(FILE *file, short type, |
---|
| 4598 | vl_term *in, int inverted, |
---|
| 4599 | vl_term *out) |
---|
| 4600 | { |
---|
| 4601 | int i; |
---|
| 4602 | char rip_buf[MAXSTRLEN], in1[MAXSTRLEN], in2[MAXSTRLEN]; |
---|
| 4603 | |
---|
| 4604 | if (in->lo == in->hi) { |
---|
| 4605 | if (out->lo > out->hi) { |
---|
| 4606 | sprintf(in1, "%s%s%d%s", in->name->name, |
---|
| 4607 | SEP_LBITSELECT, in->lo, SEP_RBITSELECT); |
---|
| 4608 | sprintf(in2, "%s", out->name->name); |
---|
| 4609 | vl_write_bit_connect(file, in1, in2, inverted); |
---|
| 4610 | return; |
---|
| 4611 | } else { |
---|
| 4612 | sprintf(in1, "%s%s%d%s", in->name->name, |
---|
| 4613 | SEP_LBITSELECT, in->lo, SEP_RBITSELECT); |
---|
| 4614 | sprintf(in2, "%s%s%d%s", out->name->name, |
---|
| 4615 | SEP_LBITSELECT, in->lo, SEP_RBITSELECT); |
---|
| 4616 | vl_write_bit_connect(file, in1, in2, inverted); |
---|
| 4617 | return; |
---|
| 4618 | } |
---|
| 4619 | } |
---|
| 4620 | |
---|
| 4621 | sprintf(rip_buf, "%s", new_termname()); |
---|
| 4622 | sprintf(in1, "%s%s%d%s", in->name->name, |
---|
| 4623 | SEP_LBITSELECT, in->lo, SEP_RBITSELECT); |
---|
| 4624 | sprintf(in2, "%s%s%d%s", in->name->name, |
---|
| 4625 | SEP_LBITSELECT, in->lo+1, SEP_RBITSELECT); |
---|
| 4626 | strcpy(rip_buf, |
---|
| 4627 | vl_write_bop(file, type, in1, in2, NIL(char), NIL(char), 1)); |
---|
| 4628 | |
---|
| 4629 | for (i=in->lo+2; i<=in->hi; i++) { |
---|
| 4630 | strcpy(in1, rip_buf); |
---|
| 4631 | sprintf(in2, "%s%s%d%s", in->name->name, |
---|
| 4632 | SEP_LBITSELECT, i, SEP_RBITSELECT); |
---|
| 4633 | strcpy(rip_buf, |
---|
| 4634 | vl_write_bop(file, type, in1, in2, NIL(char), NIL(char), 1)); |
---|
| 4635 | } |
---|
| 4636 | |
---|
| 4637 | vl_write_bit_connect(file, rip_buf, out->name->name, inverted); |
---|
| 4638 | } |
---|
| 4639 | |
---|
| 4640 | |
---|
| 4641 | |
---|
| 4642 | void vl_write_bit_connect(FILE *file, char *in, char *out, int inverted) |
---|
| 4643 | { |
---|
| 4644 | char **func; |
---|
| 4645 | |
---|
| 4646 | func = (set_notation)?set_log_function:log_function; |
---|
| 4647 | fprintf(file, ".names %s %s\n", in, out); |
---|
| 4648 | |
---|
| 4649 | if (set_notation) { |
---|
| 4650 | if (!inverted) |
---|
| 4651 | fprintf(file, "- %s%s\n", HSIS_EQUAL, in); |
---|
| 4652 | else |
---|
| 4653 | fprintf(file, "%s", func[BLIF_NOT]); |
---|
| 4654 | } else { |
---|
| 4655 | if (!inverted) |
---|
| 4656 | fprintf(file, "%s", func[BLIF_BITCONNECT]); |
---|
| 4657 | else |
---|
| 4658 | fprintf(file, "%s", func[BLIF_NOT]); |
---|
| 4659 | } |
---|
| 4660 | } |
---|
| 4661 | |
---|
| 4662 | void write_comparator(FILE *file, vl_term *in1, vl_term *in2, vl_term *out) |
---|
| 4663 | { |
---|
| 4664 | if ((in1->flag&MVar) == (in2->flag&MVar)) { |
---|
| 4665 | if (in1->flag & MVar) { |
---|
| 4666 | vl_write_mv_comp(file, (short)Beq2Expr, in1, in2, out); |
---|
| 4667 | } else { |
---|
| 4668 | vl_write_bin_comp(file, (short)Beq2Expr, in1, in2, out); |
---|
| 4669 | } |
---|
| 4670 | } else if (in1->flag & MVar) { |
---|
| 4671 | vl_mv_to_bin(in1); |
---|
| 4672 | vl_write_bin_comp(file, (short)Beq2Expr, in1, in2, out); |
---|
| 4673 | } else if (in1->flag & MVar) { |
---|
| 4674 | vl_mv_to_bin(in2); |
---|
| 4675 | vl_write_bin_comp(file, (short)Beq2Expr, in1, in2, out); |
---|
| 4676 | } |
---|
| 4677 | } |
---|
| 4678 | |
---|
| 4679 | |
---|
| 4680 | vl_term *instantiate_function(FILE *file, vl_function *master, lsList args, st_table *vars) |
---|
| 4681 | { |
---|
| 4682 | vl_port_connect *i_port; |
---|
| 4683 | vl_term *retval; |
---|
| 4684 | int hi, lo, temp; |
---|
| 4685 | int constConnection; |
---|
| 4686 | lsGen mast_gen, inst_gen, gen; |
---|
| 4687 | lsHandle mast_handle, inst_handle, handle; |
---|
| 4688 | vl_id_range *m; |
---|
| 4689 | vl_expr *i; |
---|
| 4690 | const_term *ct; |
---|
| 4691 | vl_enumerator *enum_elt; |
---|
| 4692 | lsList input_consts; |
---|
| 4693 | |
---|
| 4694 | i_port = vl_create_port_connect(ModuleConnect, |
---|
| 4695 | NIL(vl_id_range), NIL(vl_expr)); |
---|
| 4696 | input_consts = lsCreate(); |
---|
| 4697 | |
---|
| 4698 | if (lsLength(args)!=0 && lsLength(master->ports)!=0) { |
---|
| 4699 | mast_gen = lsStart(master->ports); |
---|
| 4700 | inst_gen = lsStart(args); |
---|
| 4701 | lsNext(mast_gen, (lsGeneric*)&m, &mast_handle); |
---|
| 4702 | |
---|
| 4703 | while (lsNext(inst_gen, (lsGeneric*)&i, &inst_handle) != LS_NOMORE && |
---|
| 4704 | lsNext(mast_gen, (lsGeneric*)&m, &mast_handle) != LS_NOMORE) { |
---|
| 4705 | if (!st_lookup(master->sig_st, m->name, (char**)&m)) { |
---|
| 4706 | char buf[MAXSTRLEN]; |
---|
| 4707 | |
---|
| 4708 | sprintf(buf, "port '%s' is not defined in module '%s'", |
---|
| 4709 | m->name, master->name->name); |
---|
| 4710 | semantic_error(buf); |
---|
| 4711 | } |
---|
| 4712 | |
---|
| 4713 | vl_write_expr(file, i, vars); |
---|
| 4714 | } |
---|
| 4715 | lsFinish(inst_gen); |
---|
| 4716 | lsFinish(mast_gen); |
---|
| 4717 | } |
---|
| 4718 | |
---|
| 4719 | |
---|
| 4720 | if (master->range) { |
---|
| 4721 | lo = vl_eval_expr(master->range->left); |
---|
| 4722 | hi = vl_eval_expr(master->range->right); |
---|
| 4723 | if (hi < lo) { |
---|
| 4724 | temp = hi; |
---|
| 4725 | hi = lo; |
---|
| 4726 | lo = temp; |
---|
| 4727 | } |
---|
| 4728 | } else { |
---|
| 4729 | lo = 0; |
---|
| 4730 | hi = -1; |
---|
| 4731 | } |
---|
| 4732 | retval = new_term(NIL(vl_range), lo, hi); |
---|
| 4733 | write_var_decl(file, retval); |
---|
| 4734 | |
---|
| 4735 | fprintf(file, ".subckt %s %s ", master->name->name, new_termname()); |
---|
| 4736 | |
---|
| 4737 | if (lsLength(args)!=0 && lsLength(master->ports)!=0) { |
---|
| 4738 | mast_gen = lsStart(master->ports); |
---|
| 4739 | inst_gen = lsStart(args); |
---|
| 4740 | lsNext(mast_gen, (lsGeneric*)&m, &mast_handle); |
---|
| 4741 | if (lo > hi) { |
---|
| 4742 | |
---|
| 4743 | put_bin_scalar_func_connect(file, m, retval); |
---|
| 4744 | } else { |
---|
| 4745 | |
---|
| 4746 | put_bin_vector_func_connect(file, m, retval); |
---|
| 4747 | } |
---|
| 4748 | while (lsNext(inst_gen, (lsGeneric*)&i, &inst_handle) != LS_NOMORE && |
---|
| 4749 | lsNext(mast_gen, (lsGeneric*)&m, &mast_handle) != LS_NOMORE) { |
---|
| 4750 | |
---|
| 4751 | constConnection = 0; |
---|
| 4752 | if (!i) { |
---|
| 4753 | constConnection = 1; |
---|
| 4754 | } else if (!i->term) { |
---|
| 4755 | constConnection = 1; |
---|
| 4756 | } else { |
---|
| 4757 | if (m->id_type) { |
---|
| 4758 | if (i->type == IDExpr && |
---|
| 4759 | st_lookup(m->id_type->specifier-> |
---|
| 4760 | u.enum_type->domain_st, |
---|
| 4761 | i->u.name->name, |
---|
| 4762 | (char**)&enum_elt)) |
---|
| 4763 | constConnection = 1; |
---|
| 4764 | } |
---|
| 4765 | } |
---|
| 4766 | |
---|
| 4767 | i_port->expr = i; |
---|
| 4768 | |
---|
| 4769 | if (constConnection) { |
---|
| 4770 | |
---|
| 4771 | put_const_port_connect(file, NIL(char), |
---|
| 4772 | m, i_port, input_consts, retval); |
---|
| 4773 | continue; |
---|
| 4774 | } |
---|
| 4775 | |
---|
| 4776 | if (m->flags & MVar) { |
---|
| 4777 | |
---|
| 4778 | put_mvar_port_connect(file, NIL(char), m, i_port); |
---|
| 4779 | } else { |
---|
| 4780 | get_hilo(m, &hi, &lo); |
---|
| 4781 | if (lo > hi) { |
---|
| 4782 | |
---|
| 4783 | put_bin_scalar_port_connect(file, NIL(char), m, i_port); |
---|
| 4784 | } else { |
---|
| 4785 | |
---|
| 4786 | put_bin_vector_port_connect(file, NIL(char), m, i_port); |
---|
| 4787 | } |
---|
| 4788 | } |
---|
| 4789 | } |
---|
| 4790 | lsFinish(inst_gen); |
---|
| 4791 | lsFinish(mast_gen); |
---|
| 4792 | |
---|
| 4793 | fprintf(file, "\n"); |
---|
| 4794 | |
---|
| 4795 | gen = lsStart(input_consts); |
---|
| 4796 | while(lsNext(gen, (lsGeneric*)&ct, &handle) != LS_NOMORE) { |
---|
| 4797 | if (!isOutPort(ct->term->flag)) |
---|
| 4798 | write_var_decl(file, ct->term); |
---|
| 4799 | vl_write_const(file, ct->const_expr, ct->term); |
---|
| 4800 | } |
---|
| 4801 | lsFinish(gen); |
---|
| 4802 | |
---|
| 4803 | lsDestroy(input_consts, 0); |
---|
| 4804 | } |
---|
| 4805 | |
---|
| 4806 | return retval; |
---|
| 4807 | } |
---|
| 4808 | |
---|
| 4809 | |
---|
| 4810 | void connect_func_output(FILE *file, vl_id_range *out_id_sym, st_table *vars) |
---|
| 4811 | { |
---|
| 4812 | vl_id_range *orig_id_sym; |
---|
| 4813 | var_info *var; |
---|
| 4814 | int hi, lo; |
---|
| 4815 | int old_flags; |
---|
| 4816 | int retval; |
---|
| 4817 | |
---|
| 4818 | if (!st_lookup(vars, out_id_sym->name, (char**)&var)) { |
---|
| 4819 | char buf[MAXSTRLEN]; |
---|
| 4820 | sprintf(buf, "function %s has no return value", out_id_sym->name); |
---|
| 4821 | yylineno = -1; |
---|
| 4822 | compile_error(buf); |
---|
| 4823 | } |
---|
| 4824 | |
---|
| 4825 | retval = st_lookup(vl_currentFunction->sig_st, out_id_sym->name, |
---|
| 4826 | (char**)&orig_id_sym); |
---|
| 4827 | assert(retval); |
---|
| 4828 | get_hilo(orig_id_sym, &hi, &lo); |
---|
| 4829 | old_flags = orig_id_sym->flags; |
---|
| 4830 | orig_id_sym->flags &= ~RegVar; |
---|
| 4831 | |
---|
| 4832 | |
---|
| 4833 | if (var->current_terminal->flag & MVar) { |
---|
| 4834 | instantiate_mvar_latch(file, 0, 0, lo, hi, |
---|
| 4835 | out_id_sym, orig_id_sym, var, |
---|
| 4836 | orig_id_sym->name); |
---|
| 4837 | } else { |
---|
| 4838 | if (lo > hi) { |
---|
| 4839 | instantiate_bin_scalar_latch(file, 0, 0, |
---|
| 4840 | out_id_sym, orig_id_sym, var, |
---|
| 4841 | orig_id_sym->name); |
---|
| 4842 | } else { |
---|
| 4843 | instantiate_bin_vector_latch(file, 0, 0, lo, hi, |
---|
| 4844 | out_id_sym, orig_id_sym, var, |
---|
| 4845 | orig_id_sym->name); |
---|
| 4846 | } |
---|
| 4847 | } |
---|
| 4848 | |
---|
| 4849 | orig_id_sym->flags = old_flags; |
---|
| 4850 | } |
---|
| 4851 | |
---|
| 4852 | |
---|
| 4853 | |
---|
| 4854 | void instantiate_latch(FILE *file, st_table *vars) |
---|
| 4855 | { |
---|
| 4856 | vl_id_range *id_sym, *orig_id_sym; |
---|
| 4857 | st_generator *gen; |
---|
| 4858 | char *key, *ps_buf, *dummy; |
---|
| 4859 | var_info *var, *lvar; |
---|
| 4860 | blif_latch *latch; |
---|
| 4861 | char latch_name[MAXSTRLEN]; |
---|
| 4862 | int lo, hi; |
---|
| 4863 | int non_block_var; |
---|
| 4864 | |
---|
| 4865 | |
---|
| 4866 | fprintf(file, "%s latches\n", HSIS_COMMENT); |
---|
| 4867 | gen = st_init_gen(vars); |
---|
| 4868 | while (st_gen(gen, &key, (char**)&var)) { |
---|
| 4869 | sprintf(latch_name, "%s%s", key, SEP_LATCH); |
---|
| 4870 | if (vl_currentModule->latch_st) { |
---|
| 4871 | if (st_lookup(vl_currentModule->sig_st, key, (char**)&id_sym)) { |
---|
| 4872 | if (!(id_sym->flags & RegVar) && |
---|
| 4873 | !str_matchtail(id_sym->name,SEP_LATCH)) |
---|
| 4874 | continue; |
---|
| 4875 | non_block_var = str_matchtail(id_sym->name,SEP_LATCH); |
---|
| 4876 | |
---|
| 4877 | if (st_lookup(vl_currentModule->latch_st, key, (char**)&latch)) |
---|
| 4878 | if (latch->flags & NBASSIGN_IN_ALWAYS) |
---|
| 4879 | continue; |
---|
| 4880 | |
---|
| 4881 | if (dflow_analysis && |
---|
| 4882 | !(id_sym->flags & OutPort) && !(id_sym->flags & InPort) && |
---|
| 4883 | !(str_matchtail(id_sym->name,SEP_LATCH)) && |
---|
| 4884 | !set_find(id_sym->name, vl_currentModule->uninit_set)) |
---|
| 4885 | continue; |
---|
| 4886 | |
---|
| 4887 | if (!st_lookup(vars, latch_name, (char**)&lvar)) lvar = var; |
---|
| 4888 | |
---|
| 4889 | get_hilo(var->id, &hi, &lo); |
---|
| 4890 | |
---|
| 4891 | ps_buf = vlStrdup(var->id->name); |
---|
| 4892 | if (str_matchtail(id_sym->name,SEP_LATCH)) { |
---|
| 4893 | strip_char(ps_buf,SEP_LATCH); |
---|
| 4894 | st_lookup(vl_currentModule->sig_st, |
---|
| 4895 | ps_buf, (char**)&orig_id_sym); |
---|
| 4896 | } else { |
---|
| 4897 | orig_id_sym = id_sym; |
---|
| 4898 | } |
---|
| 4899 | |
---|
| 4900 | |
---|
| 4901 | if (st_lookup(vl_currentModule->quasi_st, |
---|
| 4902 | ps_buf, (char**)&dummy)){ |
---|
| 4903 | char *old_termname; |
---|
| 4904 | char *dc; |
---|
| 4905 | int n_entries; |
---|
| 4906 | char qbuf[MAXSTRLEN]; |
---|
| 4907 | vl_id_range *qid_sym; |
---|
| 4908 | int retval; |
---|
| 4909 | sprintf(qbuf, "%s%s", ps_buf, SEP_QUASI); |
---|
| 4910 | retval = st_lookup(vl_currentModule->sig_st, |
---|
| 4911 | qbuf, (char**)&qid_sym); |
---|
| 4912 | assert(retval); |
---|
| 4913 | old_termname = lvar->current_terminal->name->name; |
---|
| 4914 | dc = check_dc((!rst_ckt)?qid_sym->syndrome_expr_list: |
---|
| 4915 | qid_sym->rst_syndrome_expr_list); |
---|
| 4916 | n_entries = lsLength((!rst_ckt)? |
---|
| 4917 | qid_sym->syndrome_expr_list: |
---|
| 4918 | qid_sym->rst_syndrome_expr_list); |
---|
| 4919 | |
---|
| 4920 | lvar->current_terminal->name->name = |
---|
| 4921 | vlStrdup(new_termname()); |
---|
| 4922 | write_var_decl(file, lvar->current_terminal); |
---|
| 4923 | put_quasi_table(file, dc, ps_buf, old_termname, |
---|
| 4924 | qid_sym, lvar->current_terminal, |
---|
| 4925 | lo, hi, n_entries); |
---|
| 4926 | vl_chk_free(old_termname); |
---|
| 4927 | vl_chk_free(dc); |
---|
| 4928 | } |
---|
| 4929 | |
---|
| 4930 | |
---|
| 4931 | if (!use_rst_ckt && (orig_id_sym->flags & RegVar)) { |
---|
| 4932 | |
---|
| 4933 | if ((lsLength(id_sym->initial)==0) && Warn_Uninitialized) { |
---|
| 4934 | char buf[MAXSTRLEN]; |
---|
| 4935 | sprintf(buf, "%s:%s: uninitialized", |
---|
| 4936 | vl_currentModule->name->name, id_sym->name); |
---|
| 4937 | Translate_Notice(buf); |
---|
| 4938 | } |
---|
| 4939 | |
---|
| 4940 | if ((orig_id_sym->flags) & MVar) { |
---|
| 4941 | |
---|
| 4942 | reset_mvar_latch(file, non_block_var, |
---|
| 4943 | id_sym, lo, hi, ps_buf); |
---|
| 4944 | } else { |
---|
| 4945 | |
---|
| 4946 | if (lo > hi) { |
---|
| 4947 | |
---|
| 4948 | reset_bin_scalar_latch(file, non_block_var, |
---|
| 4949 | id_sym, ps_buf); |
---|
| 4950 | } else { |
---|
| 4951 | |
---|
| 4952 | reset_bin_vector_latch(file, non_block_var, |
---|
| 4953 | id_sym, lo, hi, ps_buf); |
---|
| 4954 | } |
---|
| 4955 | } |
---|
| 4956 | } else { |
---|
| 4957 | |
---|
| 4958 | if (lsLength(id_sym->initial)>0 && |
---|
| 4959 | get_decl_flags(var->id->mpg_master_exp) & RegVar) { |
---|
| 4960 | |
---|
| 4961 | |
---|
| 4962 | |
---|
| 4963 | instantiate_reset_mux(file, id_sym, lo, hi, var, lvar); |
---|
| 4964 | } |
---|
| 4965 | } |
---|
| 4966 | |
---|
| 4967 | |
---|
| 4968 | if (var->current_terminal->flag & MVar) { |
---|
| 4969 | instantiate_mvar_latch(file, non_block_var, mark_sel_var, |
---|
| 4970 | lo, hi, |
---|
| 4971 | id_sym, orig_id_sym, lvar, ps_buf); |
---|
| 4972 | } else { |
---|
| 4973 | if (lo > hi) { |
---|
| 4974 | instantiate_bin_scalar_latch(file, |
---|
| 4975 | non_block_var, mark_sel_var, |
---|
| 4976 | id_sym, orig_id_sym, lvar, ps_buf); |
---|
| 4977 | } else { |
---|
| 4978 | instantiate_bin_vector_latch(file, |
---|
| 4979 | non_block_var, mark_sel_var, lo, hi, |
---|
| 4980 | id_sym, orig_id_sym, lvar, ps_buf); |
---|
| 4981 | } |
---|
| 4982 | } |
---|
| 4983 | vl_chk_free(ps_buf); |
---|
| 4984 | } |
---|
| 4985 | } |
---|
| 4986 | } |
---|
| 4987 | st_free_gen(gen); |
---|
| 4988 | |
---|
| 4989 | |
---|
| 4990 | gen = st_init_gen(vl_currentModule->sig_st); |
---|
| 4991 | while (st_gen(gen, &key, (char**)&id_sym)) { |
---|
| 4992 | instantiate_input_latch(file, id_sym); |
---|
| 4993 | if (wireRegister) |
---|
| 4994 | instantiate_hidden_latch(file, id_sym); |
---|
| 4995 | } |
---|
| 4996 | st_free_gen(gen); |
---|
| 4997 | } |
---|
| 4998 | |
---|
| 4999 | |
---|
| 5000 | static void instantiate_prim_latch(FILE *file, st_table *sig_st) |
---|
| 5001 | { |
---|
| 5002 | st_generator *sig_gen; |
---|
| 5003 | vl_id_range *id_sym; |
---|
| 5004 | char *key; |
---|
| 5005 | |
---|
| 5006 | sig_gen = st_init_gen(sig_st); |
---|
| 5007 | while (st_gen(sig_gen, (char**)&key, (char**)&id_sym)) { |
---|
| 5008 | if (!(id_sym->flags & RegVar)) continue; |
---|
| 5009 | |
---|
| 5010 | fprintf(file, ".latch %s%s %s\n", |
---|
| 5011 | id_sym->name, SEP_LATCH, id_sym->name); |
---|
| 5012 | fprintf(file, ".r %s\n-\n", id_sym->name); |
---|
| 5013 | } |
---|
| 5014 | st_free_gen(sig_gen); |
---|
| 5015 | } |
---|
| 5016 | |
---|
| 5017 | |
---|
| 5018 | static void instantiate_edge_detector(FILE *file, vl_primitive *prim) |
---|
| 5019 | { |
---|
| 5020 | lsGen port_gen; |
---|
| 5021 | lsHandle port_handle, port_id_handle; |
---|
| 5022 | vl_port *port; |
---|
| 5023 | vl_id_range *port_id, *port_id_sym; |
---|
| 5024 | |
---|
| 5025 | port_gen = lsStart(prim->ports); |
---|
| 5026 | while (lsNext(port_gen, (lsGeneric*)&port, &port_handle) != LS_NOMORE) { |
---|
| 5027 | int retval; |
---|
| 5028 | lsFirstItem(port->port_exp, (lsGeneric*)&port_id, &port_id_handle); |
---|
| 5029 | retval = st_lookup(prim->sig_st, port_id->name, (char**)&port_id_sym); |
---|
| 5030 | assert(retval); |
---|
| 5031 | |
---|
| 5032 | if (port_id_sym->flags & EdgeDetector) { |
---|
| 5033 | fprintf(file, ".latch %s %s%s\n", |
---|
| 5034 | port_id_sym->name, port_id_sym->name, PIN_DELAYED); |
---|
| 5035 | fprintf(file, ".r %s%s\n-\n", port_id_sym->name, PIN_DELAYED); |
---|
| 5036 | } |
---|
| 5037 | } |
---|
| 5038 | lsFinish(port_gen); |
---|
| 5039 | } |
---|
| 5040 | |
---|
| 5041 | |
---|
| 5042 | static char *lib_fun[][2] = { |
---|
| 5043 | {"vlr_mux", " %s a=%s b=%s s=%s o=%s\n"} |
---|
| 5044 | }; |
---|
| 5045 | |
---|
| 5046 | |
---|
| 5047 | void vl_put_lib(FILE *file, ...) |
---|
| 5048 | { |
---|
| 5049 | char buf[MAXSTRLEN]; |
---|
| 5050 | char typ_buf[MAXSTRLEN]; |
---|
| 5051 | char *cp, *tcp; |
---|
| 5052 | int code; |
---|
| 5053 | va_list args; |
---|
| 5054 | vl_term *type_term; |
---|
| 5055 | void *decl; |
---|
| 5056 | lsList domain; |
---|
| 5057 | lsGen enum_gen; |
---|
| 5058 | lsHandle enum_handle; |
---|
| 5059 | vl_enumerator *enum_elt; |
---|
| 5060 | |
---|
| 5061 | va_start(args, file); |
---|
| 5062 | code = va_arg(args, int); |
---|
| 5063 | type_term = va_arg(args, vl_term*); |
---|
| 5064 | |
---|
| 5065 | cp = buf; *cp = '\0'; |
---|
| 5066 | cp = strappendS(cp, ".subckt"); |
---|
| 5067 | cp = strappend(cp, lib_fun[code][0]); |
---|
| 5068 | |
---|
| 5069 | tcp = typ_buf; *tcp = '\0'; |
---|
| 5070 | tcp = strappend(tcp, SEP_LTRANGE); |
---|
| 5071 | |
---|
| 5072 | if (type_term->flag & MVar) { |
---|
| 5073 | (void) va_arg(args, char*); |
---|
| 5074 | (void)vfprintf(file, ".names %s %s %s %s\n", args); |
---|
| 5075 | if (!st_lookup(mod_list->decl_st, |
---|
| 5076 | (char*)type_term->term_type, (char**)&decl)) { |
---|
| 5077 | st_insert(mod_list->decl_st, |
---|
| 5078 | (char*)type_term->term_type, |
---|
| 5079 | (char*)type_term->term_type); |
---|
| 5080 | } |
---|
| 5081 | domain = type_term->term_type->specifier->u.enum_type->domain_list; |
---|
| 5082 | for (enum_gen=lsStart(domain); |
---|
| 5083 | lsNext(enum_gen,(lsGeneric*)&enum_elt,&enum_handle)!= |
---|
| 5084 | LS_NOMORE;) { |
---|
| 5085 | fprintf(file, "%s - 1 %s\n", enum_elt->name, enum_elt->name); |
---|
| 5086 | fprintf(file, "- %s 0 %s\n", enum_elt->name, enum_elt->name); |
---|
| 5087 | } |
---|
| 5088 | lsFinish(enum_gen); |
---|
| 5089 | } else { |
---|
| 5090 | char *tbuf, *fbuf, *selbuf, *obuf; |
---|
| 5091 | (void) va_arg(args, char*); |
---|
| 5092 | tbuf = va_arg(args, char *); |
---|
| 5093 | fbuf = va_arg(args, char *); |
---|
| 5094 | selbuf = va_arg(args, char *); |
---|
| 5095 | obuf = va_arg(args, char *); |
---|
| 5096 | fprintf(file, ".names %s %s %s %s\n.def 0\n", |
---|
| 5097 | selbuf, tbuf, fbuf, obuf); |
---|
| 5098 | fprintf(file, "1 1 - 1\n0 - 1 1\n"); |
---|
| 5099 | } |
---|
| 5100 | va_end(args); |
---|
| 5101 | } |
---|
| 5102 | |
---|
| 5103 | |
---|
| 5104 | void vl_write_mv_lib(FILE *file, short type, vl_term *in1, vl_term *in2, vl_term *out) |
---|
| 5105 | { |
---|
| 5106 | int i; |
---|
| 5107 | lsList domain; |
---|
| 5108 | lsGen enum_gen; |
---|
| 5109 | lsHandle enum_handle; |
---|
| 5110 | vl_enumerator *enum_elt; |
---|
| 5111 | |
---|
| 5112 | fprintf(file, ".subckt "); |
---|
| 5113 | switch(type) { |
---|
| 5114 | case BandExpr: fprintf(file, "%s", BLIF_LIB_AND); break; |
---|
| 5115 | case BorExpr: fprintf(file, "%s", BLIF_LIB_OR); break; |
---|
| 5116 | case BxorExpr: fprintf(file, "%s", BLIF_LIB_XOR); break; |
---|
| 5117 | case BxnorExpr:fprintf(file, "%s", BLIF_LIB_XNOR); break; |
---|
| 5118 | case BplusExpr: fprintf(file, "%s", BLIF_LIB_ADD); break; |
---|
| 5119 | case BminusExpr:fprintf(file, "%s", BLIF_LIB_SUB); break; |
---|
| 5120 | case UandExpr: case UnandExpr: |
---|
| 5121 | case UorExpr: case UnorExpr: |
---|
| 5122 | case UxorExpr: case UxnorExpr: break; |
---|
| 5123 | } |
---|
| 5124 | if (in1->term_type != in2->term_type) { |
---|
| 5125 | char buf[MAXSTRLEN]; |
---|
| 5126 | sprintf(buf,"operation between var %s & %s of different types", |
---|
| 5127 | in1->name->name, in2->name->name); |
---|
| 5128 | semantic_error(buf); |
---|
| 5129 | } |
---|
| 5130 | |
---|
| 5131 | domain = in1->term_type->specifier->u.enum_type->domain_list; |
---|
| 5132 | |
---|
| 5133 | fprintf(file, "%s", SEP_LTRANGE); |
---|
| 5134 | for (enum_gen=lsStart(domain), i=1; |
---|
| 5135 | lsNext(enum_gen,(lsGeneric*)&enum_elt,&enum_handle)!=LS_NOMORE; |
---|
| 5136 | i++) |
---|
| 5137 | fprintf(file, "%s%c", enum_elt->name, (i==lsLength(domain)?'\0':':')); |
---|
| 5138 | fprintf(file, "%s", SEP_RTRANGE); |
---|
| 5139 | fprintf(file, " %s %s %s %s\n", new_termname(), |
---|
| 5140 | in1->name->name, in2->name->name, out->name->name); |
---|
| 5141 | } |
---|
| 5142 | |
---|
| 5143 | |
---|
| 5144 | st_table *conflict_arbitrator(FILE *file, array_t *vars_array) |
---|
| 5145 | { |
---|
| 5146 | st_generator *gen; |
---|
| 5147 | st_table *vars, *retval; |
---|
| 5148 | char *key; |
---|
| 5149 | var_info *cur_var; |
---|
| 5150 | array_t *controls; |
---|
| 5151 | vl_term *ctrl_i; |
---|
| 5152 | int lo, hi; |
---|
| 5153 | int num_changer; |
---|
| 5154 | int i; |
---|
| 5155 | vl_id_range *id_sym, *temp_id_sym; |
---|
| 5156 | |
---|
| 5157 | fprintf(file,"%s conflict arbitrators\n", HSIS_COMMENT); |
---|
| 5158 | retval = st_init_table(strcmp, st_strhash); |
---|
| 5159 | |
---|
| 5160 | gen = st_init_gen(vl_currentModule->sig_st); |
---|
| 5161 | while (st_gen(gen, &key, (char**)&id_sym)) { |
---|
| 5162 | |
---|
| 5163 | if ((id_sym->flags & InPort) && !(id_sym->flags & OutPort)) continue; |
---|
| 5164 | |
---|
| 5165 | if (!vl_currentPrimitive && !vl_currentFunction) { |
---|
| 5166 | if (strstr(key,SEP_LATCH)) |
---|
| 5167 | continue; |
---|
| 5168 | if (strstr(key,SEP_QUASI)) |
---|
| 5169 | continue; |
---|
| 5170 | } |
---|
| 5171 | |
---|
| 5172 | if (!vl_currentPrimitive && !vl_currentFunction) |
---|
| 5173 | if (dflow_analysis && |
---|
| 5174 | !(id_sym->flags & OutPort) && !(id_sym->flags & InPort) && |
---|
| 5175 | !(str_matchtail(id_sym->name,SEP_LATCH)) && |
---|
| 5176 | !set_find(id_sym->name, vl_currentModule->uninit_set)) |
---|
| 5177 | continue; |
---|
| 5178 | |
---|
| 5179 | if (!(id_sym->flags & RegVar) && |
---|
| 5180 | !str_matchtail(id_sym->name,SEP_LATCH)) { |
---|
| 5181 | create_wire_nondeterminism(file, key, id_sym, vars_array); |
---|
| 5182 | continue; |
---|
| 5183 | } |
---|
| 5184 | |
---|
| 5185 | if (!vl_currentPrimitive && !vl_currentFunction) |
---|
| 5186 | if (vl_currentModule->combVar_st) { |
---|
| 5187 | if (st_lookup(vl_currentModule->combVar_st, |
---|
| 5188 | id_sym->name, (char**)&temp_id_sym) && |
---|
| 5189 | !st_lookup(vl_currentModule->seqVar_st, |
---|
| 5190 | id_sym->name, (char**)&temp_id_sym)){ |
---|
| 5191 | create_wire_nondeterminism(file, key, id_sym, vars_array); |
---|
| 5192 | continue; |
---|
| 5193 | } |
---|
| 5194 | } |
---|
| 5195 | |
---|
| 5196 | controls = array_alloc(vl_term*, 0); |
---|
| 5197 | |
---|
| 5198 | num_changer = 0; |
---|
| 5199 | for (i=0; i<array_n(vars_array); i++) { |
---|
| 5200 | vars = array_fetch(st_table*, vars_array, i); |
---|
| 5201 | if (vars) { |
---|
| 5202 | if (st_lookup(vars, key, (char**)&cur_var)) { |
---|
| 5203 | ctrl_i = syndrome_to_control(file, key, vars); |
---|
| 5204 | array_insert_last(vl_term*, controls, ctrl_i); |
---|
| 5205 | num_changer++; |
---|
| 5206 | continue; |
---|
| 5207 | } |
---|
| 5208 | } |
---|
| 5209 | array_insert_last(vl_term*, controls, NIL(vl_term)); |
---|
| 5210 | } |
---|
| 5211 | |
---|
| 5212 | assert(array_n(vars_array) == array_n(controls)); |
---|
| 5213 | get_hilo(id_sym, &hi, &lo); |
---|
| 5214 | if (id_sym->flags &MVar) { |
---|
| 5215 | |
---|
| 5216 | create_mvar_nondeterminism(file, retval, key, id_sym, lo, hi, |
---|
| 5217 | controls, vars_array); |
---|
| 5218 | } else { |
---|
| 5219 | |
---|
| 5220 | if (lo > hi) { |
---|
| 5221 | |
---|
| 5222 | create_bin_scalar_nondeterminism(file, retval, key, id_sym, |
---|
| 5223 | controls, vars_array); |
---|
| 5224 | } else { |
---|
| 5225 | |
---|
| 5226 | create_bin_vector_nondeterminism(file, retval, key, id_sym, |
---|
| 5227 | lo, hi, controls, vars_array); |
---|
| 5228 | } |
---|
| 5229 | } |
---|
| 5230 | |
---|
| 5231 | } |
---|
| 5232 | st_free_gen(gen); |
---|
| 5233 | |
---|
| 5234 | return retval; |
---|
| 5235 | } |
---|
| 5236 | |
---|
| 5237 | |
---|
| 5238 | st_table *func_conflict_arbitrator(FILE *file, vl_id_range *out_id_sym, array_t *vars_array) |
---|
| 5239 | { |
---|
| 5240 | st_generator *gen; |
---|
| 5241 | st_table *retval; |
---|
| 5242 | char *key; |
---|
| 5243 | int old_flags; |
---|
| 5244 | vl_id_range *id_sym, *temp_id_sym; |
---|
| 5245 | blif_latch *latch; |
---|
| 5246 | |
---|
| 5247 | fprintf(file,"%s conflict arbitrators\n", HSIS_COMMENT); |
---|
| 5248 | retval = st_init_table(strcmp, st_strhash); |
---|
| 5249 | |
---|
| 5250 | gen = st_init_gen(vl_currentModule->sig_st); |
---|
| 5251 | while (st_gen(gen, &key, (char**)&id_sym)) { |
---|
| 5252 | |
---|
| 5253 | if (id_sym->flags & InPort) continue; |
---|
| 5254 | |
---|
| 5255 | if (!vl_currentPrimitive && !vl_currentFunction) |
---|
| 5256 | if (st_lookup(vl_currentModule->latch_st, key, (char**)&latch) || |
---|
| 5257 | strstr(key,SEP_LATCH)) continue; |
---|
| 5258 | |
---|
| 5259 | if (!vl_currentPrimitive && !vl_currentFunction) |
---|
| 5260 | if (dflow_analysis && |
---|
| 5261 | !(id_sym->flags & OutPort) && !(id_sym->flags & InPort) && |
---|
| 5262 | !(str_matchtail(id_sym->name,SEP_LATCH)) && |
---|
| 5263 | !set_find(id_sym->name, vl_currentModule->uninit_set)) |
---|
| 5264 | continue; |
---|
| 5265 | |
---|
| 5266 | if (!(id_sym->flags & RegVar) && |
---|
| 5267 | !str_matchtail(id_sym->name,SEP_LATCH)) { |
---|
| 5268 | create_wire_nondeterminism(file, key, id_sym, vars_array); |
---|
| 5269 | continue; |
---|
| 5270 | } |
---|
| 5271 | |
---|
| 5272 | if (!vl_currentPrimitive && !vl_currentFunction) |
---|
| 5273 | if (vl_currentModule->combVar_st) { |
---|
| 5274 | if (st_lookup(vl_currentModule->combVar_st, |
---|
| 5275 | id_sym->name, (char**)&temp_id_sym)){ |
---|
| 5276 | create_wire_nondeterminism(file, key, id_sym, vars_array); |
---|
| 5277 | continue; |
---|
| 5278 | } |
---|
| 5279 | } |
---|
| 5280 | |
---|
| 5281 | if (vl_currentFunction && strcmp(out_id_sym->name, key)) |
---|
| 5282 | continue; |
---|
| 5283 | else { |
---|
| 5284 | old_flags = id_sym->flags; |
---|
| 5285 | id_sym->flags &= ~RegVar; |
---|
| 5286 | |
---|
| 5287 | create_wire_nondeterminism(file, key, id_sym, vars_array); |
---|
| 5288 | |
---|
| 5289 | id_sym->flags = old_flags; |
---|
| 5290 | } |
---|
| 5291 | } |
---|
| 5292 | st_free_gen(gen); |
---|
| 5293 | |
---|
| 5294 | return retval; |
---|
| 5295 | } |
---|
| 5296 | |
---|
| 5297 | static void vl_write_initial_generator(FILE *file) |
---|
| 5298 | { |
---|
| 5299 | char buf[MAXSTRLEN]; |
---|
| 5300 | |
---|
| 5301 | |
---|
| 5302 | if (ith_module!=0) return; |
---|
| 5303 | |
---|
| 5304 | |
---|
| 5305 | if (!use_rst_ckt) return; |
---|
| 5306 | |
---|
| 5307 | sprintf(buf, "%s%s", Initial_Signal->name->name, "_PS"); |
---|
| 5308 | fprintf(file, ".r %s\n1\n", Initial_Signal->name->name); |
---|
| 5309 | fprintf(file, ".names %s\n", buf); |
---|
| 5310 | fprintf(file, "0\n"); |
---|
| 5311 | fprintf(file, ".latch %s %s\n", buf, Initial_Signal->name->name); |
---|
| 5312 | } |
---|
| 5313 | |
---|
| 5314 | |
---|
| 5315 | static void vl_write_encoding(FILE *file) |
---|
| 5316 | { |
---|
| 5317 | st_generator *id_gen, *symbolic_gen; |
---|
| 5318 | char *key, *symbolic_value, *code; |
---|
| 5319 | vl_id_range *id_sym; |
---|
| 5320 | int hi, lo, v; |
---|
| 5321 | int idx, idx_lo, idx_hi; |
---|
| 5322 | int i; |
---|
| 5323 | |
---|
| 5324 | if (!do_encoding) return; |
---|
| 5325 | |
---|
| 5326 | id_gen = st_init_gen(vl_currentModule->sig_st); |
---|
| 5327 | while (st_gen(id_gen, &key, (char**)&id_sym)) { |
---|
| 5328 | if (id_sym->symbolic_values) { |
---|
| 5329 | if (!st_count(id_sym->symbolic_values)) continue; |
---|
| 5330 | if (!(id_sym->flags & MVar)) { |
---|
| 5331 | get_hilo(id_sym, &hi, &lo); |
---|
| 5332 | if (lo < hi) { |
---|
| 5333 | if (!id_sym->range) { |
---|
| 5334 | fprintf(file, ".encode "); |
---|
| 5335 | for (i=lo; i<=hi; i++) |
---|
| 5336 | fprintf(file, "%s%s%d%s ", id_sym->name, |
---|
| 5337 | SEP_LBITSELECT, i, SEP_RBITSELECT); |
---|
| 5338 | fprintf(file, "%s\n", id_sym->name); |
---|
| 5339 | symbolic_gen = st_init_gen(id_sym->symbolic_values); |
---|
| 5340 | while (st_gen(symbolic_gen, &symbolic_value, &code)) { |
---|
| 5341 | for (i=lo, v=atoi(code); i<=hi; i++, v >>= 1) |
---|
| 5342 | fprintf(file, "%d ", v&1); |
---|
| 5343 | fprintf(file, "%s\n", symbolic_value); |
---|
| 5344 | } |
---|
| 5345 | st_free_gen(symbolic_gen); |
---|
| 5346 | fprintf(file, ".endcode\n\n"); |
---|
| 5347 | } else { |
---|
| 5348 | idx_lo = vl_eval_expr(id_sym->range->left); |
---|
| 5349 | if (id_sym->range->right) |
---|
| 5350 | idx_hi = vl_eval_expr(id_sym->range->right); |
---|
| 5351 | else |
---|
| 5352 | idx_hi = idx_lo; |
---|
| 5353 | |
---|
| 5354 | for (idx=idx_lo; idx<=idx_hi; idx++) { |
---|
| 5355 | fprintf(file, ".encode "); |
---|
| 5356 | for (i=lo; i<=hi; i++) |
---|
| 5357 | fprintf(file, "%s%s%d%s%s%d%s ", id_sym->name, |
---|
| 5358 | SEP_LARRAY, idx, SEP_RARRAY, |
---|
| 5359 | SEP_LBITSELECT, i, SEP_RBITSELECT); |
---|
| 5360 | fprintf(file, "%s%s%d%s\n", |
---|
| 5361 | id_sym->name, SEP_LARRAY, idx, SEP_RARRAY); |
---|
| 5362 | symbolic_gen = |
---|
| 5363 | st_init_gen(id_sym->symbolic_values); |
---|
| 5364 | while (st_gen(symbolic_gen, |
---|
| 5365 | &symbolic_value, &code)) { |
---|
| 5366 | for (i=lo, v=atoi(code); i<=hi; i++, v >>= 1) |
---|
| 5367 | fprintf(file, "%d ", v&1); |
---|
| 5368 | fprintf(file, "%s\n", symbolic_value); |
---|
| 5369 | } |
---|
| 5370 | st_free_gen(symbolic_gen); |
---|
| 5371 | fprintf(file, ".endcode\n\n"); |
---|
| 5372 | } |
---|
| 5373 | } |
---|
| 5374 | } |
---|
| 5375 | } |
---|
| 5376 | } |
---|
| 5377 | } |
---|
| 5378 | st_free_gen(id_gen); |
---|
| 5379 | } |
---|
| 5380 | |
---|
| 5381 | static void non_block_assignment(FILE *file, st_table *vars) |
---|
| 5382 | { |
---|
| 5383 | st_generator *gen; |
---|
| 5384 | lsList ripple=(lsList)0; |
---|
| 5385 | char *key; |
---|
| 5386 | char latch_name[MAXSTRLEN]; |
---|
| 5387 | char *dc; |
---|
| 5388 | vl_id_range *id_sym, *orig_id_sym; |
---|
| 5389 | var_info *id_var; |
---|
| 5390 | vl_term *out_term; |
---|
| 5391 | vl_term *procedural_ctrl, *procedural_term; |
---|
| 5392 | int n_entries, hi, lo; |
---|
| 5393 | int non_block_wire = 0; |
---|
| 5394 | |
---|
| 5395 | fprintf(file, "%s non-blocking assignments %s\n", |
---|
| 5396 | HSIS_COMMENT, (rst_ckt)?"for initial":""); |
---|
| 5397 | gen = st_init_gen(vl_currentModule->sig_st); |
---|
| 5398 | while (st_gen(gen, &key, (char**)&id_sym)) { |
---|
| 5399 | non_block_wire = 0; |
---|
| 5400 | ripple = (lsList)0; |
---|
| 5401 | procedural_ctrl = NIL(vl_term); |
---|
| 5402 | procedural_term = NIL(vl_term); |
---|
| 5403 | if (!strstr(key,SEP_LATCH)) continue; |
---|
| 5404 | |
---|
| 5405 | if (!rst_ckt && lsLength(id_sym->syndrome_expr_list)==0) continue; |
---|
| 5406 | if (rst_ckt && lsLength(id_sym->rst_syndrome_expr_list)==0) continue; |
---|
| 5407 | |
---|
| 5408 | |
---|
| 5409 | strcpy(latch_name, id_sym->name); |
---|
| 5410 | strip_char(latch_name, SEP_LATCH); |
---|
| 5411 | |
---|
| 5412 | if (rst_ckt && |
---|
| 5413 | !st_lookup(vars, latch_name, (char**)&id_var) && |
---|
| 5414 | !st_lookup(vars, key, (char**)&id_var)) continue; |
---|
| 5415 | |
---|
| 5416 | |
---|
| 5417 | if (st_lookup(vars, latch_name, (char**)&id_var)) { |
---|
| 5418 | if (id_var->extra) { |
---|
| 5419 | procedural_ctrl = array_or(file, (array_t*)(id_var->extra)); |
---|
| 5420 | procedural_term = id_var->current_terminal; |
---|
| 5421 | decomposeTable = 1; |
---|
| 5422 | } |
---|
| 5423 | } |
---|
| 5424 | |
---|
| 5425 | if (st_lookup(vl_currentModule->sig_st, |
---|
| 5426 | latch_name, (char**)&orig_id_sym)) { |
---|
| 5427 | vl_id_range *temp_id_sym; |
---|
| 5428 | |
---|
| 5429 | if (!(orig_id_sym->flags&RegVar)) non_block_wire = 1; |
---|
| 5430 | |
---|
| 5431 | if (vl_currentModule->combVar_st) { |
---|
| 5432 | if (st_lookup(vl_currentModule->combVar_st, |
---|
| 5433 | latch_name, (char**)&temp_id_sym)) { |
---|
| 5434 | |
---|
| 5435 | non_block_wire = 1; |
---|
| 5436 | } |
---|
| 5437 | } |
---|
| 5438 | } |
---|
| 5439 | n_entries = lsLength((!rst_ckt)? |
---|
| 5440 | id_sym->syndrome_expr_list: |
---|
| 5441 | id_sym->rst_syndrome_expr_list); |
---|
| 5442 | get_hilo(id_sym, &hi, &lo); |
---|
| 5443 | out_term = new_term(id_sym->range, lo, hi); |
---|
| 5444 | out_term->flag = id_sym->flags; |
---|
| 5445 | out_term->term_type = id_sym->id_type; |
---|
| 5446 | out_term->name->unintType = id_sym->unintType; |
---|
| 5447 | write_var_decl(file, out_term); |
---|
| 5448 | |
---|
| 5449 | |
---|
| 5450 | dc = check_dc((!rst_ckt)?id_sym->syndrome_expr_list: |
---|
| 5451 | id_sym->rst_syndrome_expr_list); |
---|
| 5452 | |
---|
| 5453 | if ((id_sym->flags & MVar) || (lo > hi)) { |
---|
| 5454 | |
---|
| 5455 | if (!id_sym->range) { |
---|
| 5456 | put_nblock_scalar_simple_table(file, dc, id_sym, |
---|
| 5457 | non_block_wire, latch_name, out_term, |
---|
| 5458 | n_entries, lo, hi, ripple, |
---|
| 5459 | procedural_ctrl, procedural_term); |
---|
| 5460 | } else { |
---|
| 5461 | put_nblock_scalar_array_table(file, dc, id_sym, |
---|
| 5462 | non_block_wire, |
---|
| 5463 | latch_name, out_term, |
---|
| 5464 | n_entries, lo, hi, ripple); |
---|
| 5465 | } |
---|
| 5466 | } else { |
---|
| 5467 | |
---|
| 5468 | put_nblock_vector_table(file, dc, id_sym, |
---|
| 5469 | non_block_wire, |
---|
| 5470 | latch_name, out_term, |
---|
| 5471 | n_entries, lo, hi, &ripple, |
---|
| 5472 | procedural_ctrl, procedural_term); |
---|
| 5473 | } |
---|
| 5474 | |
---|
| 5475 | |
---|
| 5476 | st_insert(vars, key, |
---|
| 5477 | (char*)create_var_info(vl_copy_id_range(id_sym), out_term)); |
---|
| 5478 | |
---|
| 5479 | vl_chk_free(dc); |
---|
| 5480 | } |
---|
| 5481 | st_free_gen(gen); |
---|
| 5482 | } |
---|
| 5483 | |
---|
| 5484 | |
---|
| 5485 | static void quasi_cont_assignment(FILE *file) |
---|
| 5486 | { |
---|
| 5487 | st_generator *gen; |
---|
| 5488 | char *key; |
---|
| 5489 | vl_id_range *id_sym; |
---|
| 5490 | char quasi_name[MAXSTRLEN]; |
---|
| 5491 | char sync_name[MAXSTRLEN]; |
---|
| 5492 | char *dc; |
---|
| 5493 | int n_entries, hi, lo; |
---|
| 5494 | vl_term *out_term; |
---|
| 5495 | |
---|
| 5496 | fprintf(file, "%s quasi-continuous assignment\n", HSIS_COMMENT); |
---|
| 5497 | |
---|
| 5498 | gen = st_init_gen(vl_currentModule->sig_st); |
---|
| 5499 | while (st_gen(gen, &key, (char**)&id_sym)) { |
---|
| 5500 | if (!strstr(key,SEP_QUASI)) continue; |
---|
| 5501 | if (!rst_ckt && lsLength(id_sym->syndrome_expr_list) == 0) continue; |
---|
| 5502 | if (rst_ckt && lsLength(id_sym->rst_syndrome_expr_list) == 0) continue; |
---|
| 5503 | |
---|
| 5504 | strcpy(quasi_name, id_sym->name); |
---|
| 5505 | strip_char(quasi_name, SEP_QUASI); |
---|
| 5506 | |
---|
| 5507 | get_hilo(id_sym, &hi, &lo); |
---|
| 5508 | out_term = new_term(id_sym->range, lo, hi); |
---|
| 5509 | out_term->flag = id_sym->flags; |
---|
| 5510 | out_term->term_type = id_sym->id_type; |
---|
| 5511 | vl_chk_free(out_term->name->name); |
---|
| 5512 | out_term->name->name = strip_char(vlStrdup(id_sym->name),SEP_QUASI); |
---|
| 5513 | |
---|
| 5514 | |
---|
| 5515 | |
---|
| 5516 | dc = check_dc((!rst_ckt)?id_sym->syndrome_expr_list: |
---|
| 5517 | id_sym->rst_syndrome_expr_list); |
---|
| 5518 | |
---|
| 5519 | n_entries = lsLength((!rst_ckt)? |
---|
| 5520 | id_sym->syndrome_expr_list: |
---|
| 5521 | id_sym->rst_syndrome_expr_list); |
---|
| 5522 | |
---|
| 5523 | sprintf(sync_name, "%s%s%s", quasi_name, SEP_GATEPIN, PIN_PS); |
---|
| 5524 | |
---|
| 5525 | put_quasi_table(file, dc, quasi_name, sync_name, id_sym, out_term, |
---|
| 5526 | lo, hi, n_entries); |
---|
| 5527 | |
---|
| 5528 | vl_chk_free(dc); |
---|
| 5529 | } |
---|
| 5530 | st_free_gen(gen); |
---|
| 5531 | } |
---|
| 5532 | |
---|
| 5533 | |
---|
| 5534 | static void vl_prioritize_sequence(FILE *file, lsList vars_list, |
---|
| 5535 | lsList pause_list, |
---|
| 5536 | st_table *result_st) |
---|
| 5537 | { |
---|
| 5538 | st_generator *vars_gen; |
---|
| 5539 | lsGen gen, pause_gen, pt_gen; |
---|
| 5540 | lsHandle handle, pause_handle, pt_handle; |
---|
| 5541 | lsList pt_list; |
---|
| 5542 | vl_id_range *id_sym; |
---|
| 5543 | char *key; |
---|
| 5544 | st_table *new_vars, *pause_set; |
---|
| 5545 | st_table *t_set, *i_set; |
---|
| 5546 | var_info *id_var_info; |
---|
| 5547 | int touched; |
---|
| 5548 | vl_term *pause_term, *new_term; |
---|
| 5549 | int hi, lo, i, j, k; |
---|
| 5550 | int bit, idx; |
---|
| 5551 | int table_width=0; |
---|
| 5552 | int t_dup=0, val; |
---|
| 5553 | char header_buf[MAXSTRLEN], buf[MAXSTRLEN], var_buf[MAXSTRLEN]; |
---|
| 5554 | char *t_name; |
---|
| 5555 | |
---|
| 5556 | assert(lsLength(vars_list) == lsLength(pause_list)); |
---|
| 5557 | |
---|
| 5558 | if (lsLength(vars_list) == 0) return; |
---|
| 5559 | |
---|
| 5560 | fprintf(file, "%s sequence prioritizer\n", HSIS_COMMENT); |
---|
| 5561 | |
---|
| 5562 | vars_gen = st_init_gen(vl_currentModule->sig_st); |
---|
| 5563 | while (st_gen(vars_gen, &key, (char**)&id_sym)) { |
---|
| 5564 | table_width = 0; |
---|
| 5565 | |
---|
| 5566 | for (gen=lsStart(vars_list), touched = 0; |
---|
| 5567 | lsNext(gen,(lsGeneric*)&new_vars,&handle) != LS_NOMORE; ) { |
---|
| 5568 | if (st_lookup(new_vars, key, (char**)&id_var_info)) { |
---|
| 5569 | touched = 1; |
---|
| 5570 | break; |
---|
| 5571 | } |
---|
| 5572 | } |
---|
| 5573 | (void)lsFinish(gen); |
---|
| 5574 | if (!touched) continue; |
---|
| 5575 | |
---|
| 5576 | get_hilo(id_sym, &hi, &lo); |
---|
| 5577 | new_term = typed_new_term(id_sym->id_type, id_sym->range, lo, hi); |
---|
| 5578 | new_term->flag |= (id_sym->flags & MVar) ? MVar : 0; |
---|
| 5579 | write_var_decl(file, new_term); |
---|
| 5580 | |
---|
| 5581 | t_set = st_init_table(strcmp, st_strhash); |
---|
| 5582 | i_set = st_init_table(st_ptrcmp, st_ptrhash); |
---|
| 5583 | |
---|
| 5584 | sprintf(header_buf, ".names "); |
---|
| 5585 | |
---|
| 5586 | pt_list = lsCreate(); |
---|
| 5587 | for (gen=lsStart(vars_list), pause_gen=lsStart(pause_list), i=0; |
---|
| 5588 | lsNext(gen,(lsGeneric*)&new_vars,&handle) != LS_NOMORE&& |
---|
| 5589 | lsNext(pause_gen,(lsGeneric*)&pause_set,&pause_handle) != |
---|
| 5590 | LS_NOMORE; ) { |
---|
| 5591 | if (st_lookup(new_vars, key, (char**)&id_var_info)) { |
---|
| 5592 | table_width++; |
---|
| 5593 | |
---|
| 5594 | pause_term = fg_write_lc_in_LabelSet(file, pause_set, 1); |
---|
| 5595 | lsNewEnd(pt_list, (lsGeneric)pause_term, 0); |
---|
| 5596 | |
---|
| 5597 | |
---|
| 5598 | t_dup=0; |
---|
| 5599 | if (st_lookup(t_set, |
---|
| 5600 | id_var_info->current_terminal->name->name, |
---|
| 5601 | &t_name)) { |
---|
| 5602 | st_insert(i_set, (char*)i, 0); |
---|
| 5603 | t_dup=1; |
---|
| 5604 | } else { |
---|
| 5605 | st_insert(t_set, |
---|
| 5606 | id_var_info->current_terminal->name->name, |
---|
| 5607 | 0); |
---|
| 5608 | } |
---|
| 5609 | i++; |
---|
| 5610 | |
---|
| 5611 | new_term->flag |= id_var_info->current_terminal->flag; |
---|
| 5612 | } |
---|
| 5613 | } |
---|
| 5614 | (void)lsFinish(gen); |
---|
| 5615 | (void)lsFinish(pause_gen); |
---|
| 5616 | |
---|
| 5617 | sprintf(var_buf, "%s", id_sym->name); |
---|
| 5618 | strip_char(var_buf, SEP_LATCH); |
---|
| 5619 | if (!id_sym->range) { |
---|
| 5620 | if (lo > hi || id_sym->flags &MVar) { |
---|
| 5621 | sprintf(buf, "%s\n", new_term->name->name); |
---|
| 5622 | strcat(header_buf, buf); |
---|
| 5623 | sprintf(buf, "%s -\n", HSIS_DEFAULT); |
---|
| 5624 | strcat(header_buf, buf); |
---|
| 5625 | } else { |
---|
| 5626 | sprintf(buf, "%s ", HSIS_ARROW); |
---|
| 5627 | strcat(header_buf, buf); |
---|
| 5628 | for (bit=lo; bit<=hi; bit++) { |
---|
| 5629 | sprintf(buf, "%s%s%d%s ", |
---|
| 5630 | new_term->name->name, |
---|
| 5631 | SEP_LBITSELECT, bit, SEP_RBITSELECT); |
---|
| 5632 | strcat(header_buf, buf); |
---|
| 5633 | } |
---|
| 5634 | strcat(header_buf, "\n"); |
---|
| 5635 | sprintf(buf, "%s ", HSIS_DEFAULT); |
---|
| 5636 | strcat(header_buf, buf); |
---|
| 5637 | for (bit=lo; bit<=hi; bit++) { |
---|
| 5638 | sprintf(buf, "- "); |
---|
| 5639 | strcat(header_buf, buf); |
---|
| 5640 | } |
---|
| 5641 | strcat(header_buf, "\n"); |
---|
| 5642 | } |
---|
| 5643 | } else { |
---|
| 5644 | int idx_hi, idx_lo; |
---|
| 5645 | idx_lo = vl_eval_expr(id_sym->range->left); |
---|
| 5646 | if (id_sym->range->right) |
---|
| 5647 | idx_hi = vl_eval_expr(id_sym->range->right); |
---|
| 5648 | else |
---|
| 5649 | idx_hi = idx_lo; |
---|
| 5650 | |
---|
| 5651 | sprintf(buf, "%s ", HSIS_ARROW); |
---|
| 5652 | strcat(header_buf, buf); |
---|
| 5653 | for (idx=idx_lo; idx<=idx_hi; idx++) { |
---|
| 5654 | if (lo > hi || id_sym->flags &MVar) { |
---|
| 5655 | sprintf(buf, "%s%s%d%s ", |
---|
| 5656 | new_term->name->name, |
---|
| 5657 | SEP_LARRAY, idx, SEP_RARRAY); |
---|
| 5658 | strcat(header_buf, buf); |
---|
| 5659 | } else { |
---|
| 5660 | for (bit=lo; bit<=hi; bit++) { |
---|
| 5661 | sprintf(buf, "%s%s%d%s%s%d%s ", |
---|
| 5662 | new_term->name->name, |
---|
| 5663 | SEP_LARRAY, idx, SEP_RARRAY, |
---|
| 5664 | SEP_LBITSELECT, bit, SEP_RBITSELECT); |
---|
| 5665 | strcat(header_buf, buf); |
---|
| 5666 | } |
---|
| 5667 | } |
---|
| 5668 | } |
---|
| 5669 | strcat(header_buf, "\n"); |
---|
| 5670 | sprintf(buf, "%s ", HSIS_DEFAULT); |
---|
| 5671 | strcat(header_buf, buf); |
---|
| 5672 | for (idx=idx_lo; idx<=idx_hi; idx++) { |
---|
| 5673 | if (lo > hi || id_sym->flags & MVar) { |
---|
| 5674 | sprintf(buf, "- "); |
---|
| 5675 | strcat(header_buf, buf); |
---|
| 5676 | } else { |
---|
| 5677 | for (bit=lo; bit<=hi; bit++) { |
---|
| 5678 | sprintf(buf, "- "); |
---|
| 5679 | strcat(header_buf, buf); |
---|
| 5680 | } |
---|
| 5681 | } |
---|
| 5682 | } |
---|
| 5683 | } |
---|
| 5684 | |
---|
| 5685 | fprintf(file, "%s", header_buf); |
---|
| 5686 | |
---|
| 5687 | for (gen=lsStart(vars_list), |
---|
| 5688 | pause_gen=lsStart(pause_list), |
---|
| 5689 | pt_gen=lsStart(pt_list), |
---|
| 5690 | i=0; |
---|
| 5691 | lsNext(gen,(lsGeneric*)&new_vars,&handle) != LS_NOMORE&& |
---|
| 5692 | lsNext(pause_gen,(lsGeneric*)&pause_set,&pause_handle) != |
---|
| 5693 | LS_NOMORE; ) { |
---|
| 5694 | if (st_lookup(new_vars, key, (char**)&id_var_info)) { |
---|
| 5695 | int retval = lsNext(pt_gen,(lsGeneric*)&pause_term,&pt_handle); |
---|
| 5696 | assert(retval != LS_NOMORE); |
---|
| 5697 | if (!id_sym->range) { |
---|
| 5698 | |
---|
| 5699 | if (lo > hi || id_sym->flags & MVar) { |
---|
| 5700 | |
---|
| 5701 | for (j=0; j<i; j++) |
---|
| 5702 | if (st_lookup(i_set, (char*)j, (char**)&val)) |
---|
| 5703 | fprintf(file, "- "); |
---|
| 5704 | else |
---|
| 5705 | fprintf(file, "- - "); |
---|
| 5706 | if (st_lookup(i_set, (char*)j, (char**)&val)) |
---|
| 5707 | fprintf(file, "1 "); |
---|
| 5708 | else |
---|
| 5709 | fprintf(file, "1 - "); |
---|
| 5710 | j++; |
---|
| 5711 | for (; j<table_width; j++) |
---|
| 5712 | if (st_lookup(i_set, (char*)j, (char**)&val)) |
---|
| 5713 | fprintf(file, "- "); |
---|
| 5714 | else |
---|
| 5715 | fprintf(file, "- - "); |
---|
| 5716 | fprintf(file, "%s%s\n", HSIS_EQUAL, |
---|
| 5717 | id_var_info->current_terminal->name->name); |
---|
| 5718 | i++; |
---|
| 5719 | } else { |
---|
| 5720 | |
---|
| 5721 | for (j=0; j<i; j++) { |
---|
| 5722 | fprintf(file, "- "); |
---|
| 5723 | if (!st_lookup(i_set, (char*)j, (char**)&val)) |
---|
| 5724 | for (k=lo; k<=hi; k++) fprintf(file, "- "); |
---|
| 5725 | } |
---|
| 5726 | fprintf(file, "1 "); |
---|
| 5727 | if (!st_lookup(i_set, (char*)j, (char**)&val)) |
---|
| 5728 | for (k=lo; k<=hi; k++) fprintf(file, "- "); |
---|
| 5729 | j++; |
---|
| 5730 | for (; j<table_width; j++) { |
---|
| 5731 | fprintf(file, "- "); |
---|
| 5732 | if (!st_lookup(i_set, (char*)j, (char**)&val)) |
---|
| 5733 | for (k=lo; k<=hi; k++) fprintf(file, "- "); |
---|
| 5734 | } |
---|
| 5735 | for (k=lo; k<=hi; k++) |
---|
| 5736 | fprintf(file, "%s%s%s%d%s ", HSIS_EQUAL, |
---|
| 5737 | id_var_info-> |
---|
| 5738 | current_terminal->name->name, |
---|
| 5739 | SEP_LBITSELECT, k, SEP_RBITSELECT); |
---|
| 5740 | fprintf(file, "\n"); |
---|
| 5741 | i++; |
---|
| 5742 | } |
---|
| 5743 | } else { |
---|
| 5744 | |
---|
| 5745 | int idx_hi, idx_lo; |
---|
| 5746 | idx_lo = vl_eval_expr(id_sym->range->left); |
---|
| 5747 | if (id_sym->range->right) |
---|
| 5748 | idx_hi = vl_eval_expr(id_sym->range->right); |
---|
| 5749 | else |
---|
| 5750 | idx_hi = idx_lo; |
---|
| 5751 | |
---|
| 5752 | if (lo > hi || id_sym->flags & MVar) { |
---|
| 5753 | |
---|
| 5754 | for (j=0; j<i; j++) { |
---|
| 5755 | fprintf(file, "- "); |
---|
| 5756 | if (!st_lookup(i_set, (char*)j, (char**)&val)) |
---|
| 5757 | for (idx=idx_lo; idx<=idx_hi; idx++) |
---|
| 5758 | fprintf(file, "- "); |
---|
| 5759 | } |
---|
| 5760 | fprintf(file, "1 "); |
---|
| 5761 | if (!st_lookup(i_set, (char*)j, (char**)&val)) |
---|
| 5762 | for (idx=idx_lo; idx<=idx_hi; idx++) |
---|
| 5763 | fprintf(file, "- "); |
---|
| 5764 | j++; |
---|
| 5765 | for (; j<table_width; j++) { |
---|
| 5766 | fprintf(file, "- "); |
---|
| 5767 | if (!st_lookup(i_set, (char*)j, (char**)&val)) |
---|
| 5768 | for (idx=idx_lo; idx<=idx_hi; idx++) |
---|
| 5769 | fprintf(file, "- "); |
---|
| 5770 | } |
---|
| 5771 | for (idx=idx_lo; idx<=idx_hi; idx++) |
---|
| 5772 | fprintf(file, "%s%s%s%d%s\n", HSIS_EQUAL, |
---|
| 5773 | id_var_info->current_terminal->name->name, |
---|
| 5774 | SEP_LARRAY, idx, SEP_RARRAY); |
---|
| 5775 | i++; |
---|
| 5776 | } else { |
---|
| 5777 | |
---|
| 5778 | for (j=0; j<i; j++) { |
---|
| 5779 | fprintf(file, "- "); |
---|
| 5780 | if (!st_lookup(i_set, (char*)j, (char**)&val)) |
---|
| 5781 | for (idx=idx_lo; idx<=idx_hi; idx++) |
---|
| 5782 | for (k=lo; k<=hi; k++) |
---|
| 5783 | fprintf(file, "- "); |
---|
| 5784 | } |
---|
| 5785 | fprintf(file, "1 "); |
---|
| 5786 | if (!st_lookup(i_set, (char*)j, (char**)&val)) |
---|
| 5787 | for (idx=idx_lo; idx<=idx_hi; idx++) |
---|
| 5788 | for (k=lo; k<=hi; k++) fprintf(file, "- "); |
---|
| 5789 | j++; |
---|
| 5790 | for (; j<table_width; j++) { |
---|
| 5791 | fprintf(file, "- "); |
---|
| 5792 | if (!st_lookup(i_set, (char*)j, (char**)&val)) |
---|
| 5793 | for (idx=idx_lo; idx<=idx_hi; idx++) |
---|
| 5794 | for (k=lo; k<=hi; k++) |
---|
| 5795 | fprintf(file, "- "); |
---|
| 5796 | } |
---|
| 5797 | for (idx=idx_lo; idx<=idx_hi; idx++) |
---|
| 5798 | for (k=lo; k<=hi; k++) |
---|
| 5799 | fprintf(file, "%s%s%s%d%s%s%d%s\n", |
---|
| 5800 | HSIS_EQUAL, |
---|
| 5801 | id_var_info->current_terminal->name->name, |
---|
| 5802 | SEP_LARRAY, idx, SEP_RARRAY, |
---|
| 5803 | SEP_LBITSELECT, k, SEP_RBITSELECT); |
---|
| 5804 | i++; |
---|
| 5805 | } |
---|
| 5806 | } |
---|
| 5807 | } |
---|
| 5808 | } |
---|
| 5809 | (void)lsFinish(gen); |
---|
| 5810 | (void)lsFinish(pause_gen); |
---|
| 5811 | (void)lsFinish(pt_gen); |
---|
| 5812 | |
---|
| 5813 | st_insert(result_st, id_sym->name, |
---|
| 5814 | (char*)create_var_info(vl_copy_id_range(id_sym), |
---|
| 5815 | new_term)); |
---|
| 5816 | |
---|
| 5817 | } |
---|
| 5818 | st_free_gen(vars_gen); |
---|
| 5819 | } |
---|
| 5820 | |
---|
| 5821 | |
---|
| 5822 | static void vl_register_pause(vertex_t *pause_node, st_table *old_vars) |
---|
| 5823 | { |
---|
| 5824 | set_t *pause_set; |
---|
| 5825 | |
---|
| 5826 | |
---|
| 5827 | pause_set = set_empty(); |
---|
| 5828 | set_add(((fg_node_info*)pause_node->user_data)->loc, pause_set); |
---|
| 5829 | lsNewEnd(vl_current_pause_list, (lsGeneric)pause_set, 0); |
---|
| 5830 | lsNewEnd(vl_current_vars_list, (lsGeneric)old_vars, 0); |
---|
| 5831 | } |
---|
| 5832 | |
---|
| 5833 | |
---|
| 5834 | |
---|
| 5835 | static void vl_predefine_vars(FILE *file, st_table *vars) |
---|
| 5836 | { |
---|
| 5837 | st_generator *gen; |
---|
| 5838 | char *key; |
---|
| 5839 | vl_id_range *id_sym; |
---|
| 5840 | vl_term *init_term; |
---|
| 5841 | int hi, lo; |
---|
| 5842 | var_info *id_var; |
---|
| 5843 | char *dummy; |
---|
| 5844 | |
---|
| 5845 | gen = st_init_gen(vl_currentModule->sig_st); |
---|
| 5846 | while (st_gen(gen, &key, (char**)&id_sym)) { |
---|
| 5847 | |
---|
| 5848 | if (!(id_sym->flags & RegVar)) continue; |
---|
| 5849 | if (strstr(id_sym->name, SEP_LATCH)) continue; |
---|
| 5850 | if (strstr(id_sym->name, SEP_QUASI)) continue; |
---|
| 5851 | if (vl_currentModule_combVar_st) |
---|
| 5852 | if (st_lookup(vl_currentModule_combVar_st, id_sym->name, &dummy)) |
---|
| 5853 | continue; |
---|
| 5854 | |
---|
| 5855 | get_hilo(id_sym, &hi, &lo); |
---|
| 5856 | init_term = typed_new_term(id_sym->id_type, id_sym->range, lo, hi); |
---|
| 5857 | init_term->flag = id_sym->flags; |
---|
| 5858 | id_var = create_var_info(vl_copy_id_range(id_sym), init_term); |
---|
| 5859 | st_insert(vars, id_sym->name, (char*)id_var); |
---|
| 5860 | id_var = create_var_info(vl_copy_id_range(id_sym), init_term); |
---|
| 5861 | st_insert(vl_current_init_vars, id_sym->name, (char*)id_var); |
---|
| 5862 | } |
---|
| 5863 | st_free_gen(gen); |
---|
| 5864 | } |
---|
| 5865 | |
---|
| 5866 | |
---|
| 5867 | |
---|
| 5868 | static void vl_timed_init_mux(FILE *file, vl_term *ctrl_term, |
---|
| 5869 | st_table *orig_vars, st_table *init_vars, |
---|
| 5870 | st_table *feedback_vars) |
---|
| 5871 | { |
---|
| 5872 | st_generator *gen; |
---|
| 5873 | char *key; |
---|
| 5874 | var_info *init_var, *feedback_var, *orig_var; |
---|
| 5875 | vl_term *orig_term=NIL(vl_term); |
---|
| 5876 | int hi, lo; |
---|
| 5877 | char *buf; |
---|
| 5878 | int use_defined_term=0; |
---|
| 5879 | |
---|
| 5880 | fprintf(file, "%s feedback mux\n", HSIS_COMMENT); |
---|
| 5881 | |
---|
| 5882 | gen = st_init_gen(init_vars); |
---|
| 5883 | while (st_gen(gen, &key, (char**)&init_var)) { |
---|
| 5884 | use_defined_term=0; |
---|
| 5885 | if (orig_vars) { |
---|
| 5886 | if (st_lookup(orig_vars, key, (char**)&orig_var)) { |
---|
| 5887 | orig_term = orig_var->current_terminal; |
---|
| 5888 | use_defined_term=1; |
---|
| 5889 | } |
---|
| 5890 | } |
---|
| 5891 | if (!use_defined_term) { |
---|
| 5892 | get_hilo(init_var->id, &hi, &lo); |
---|
| 5893 | buf = vlStrdup(init_var->id->name); |
---|
| 5894 | orig_term = ((init_var->id->flags & EventVar) && smartEvent) ? |
---|
| 5895 | vl_create_term(vl_create_id_range(WRT_BLIF_GND(file), |
---|
| 5896 | NIL(vl_range)), 0, -1) : |
---|
| 5897 | create_rename_term(init_var->id, buf, lo, hi); |
---|
| 5898 | orig_term->flag = init_var->current_terminal->flag; |
---|
| 5899 | write_var_decl(file, init_var->current_terminal); |
---|
| 5900 | } |
---|
| 5901 | if (st_lookup(feedback_vars, key, (char**)&feedback_var)) { |
---|
| 5902 | instantiate_mux(file, orig_term, feedback_var->current_terminal, |
---|
| 5903 | ctrl_term, init_var->current_terminal); |
---|
| 5904 | } else { |
---|
| 5905 | if (orig_term->flag & MVar) |
---|
| 5906 | vl_write_mv_connect(file, |
---|
| 5907 | orig_term, init_var->current_terminal); |
---|
| 5908 | else { |
---|
| 5909 | if ((init_var->id->flags & EventVar) && smartEvent) |
---|
| 5910 | write_int_connect(file, 0, init_var->current_terminal); |
---|
| 5911 | else |
---|
| 5912 | vl_write_bin_connect(file, |
---|
| 5913 | orig_term, init_var->current_terminal, |
---|
| 5914 | 0); |
---|
| 5915 | } |
---|
| 5916 | |
---|
| 5917 | } |
---|
| 5918 | } |
---|
| 5919 | st_free_gen(gen); |
---|
| 5920 | } |
---|
| 5921 | |
---|
| 5922 | |
---|
| 5923 | vl_term *test_against_lc_init(FILE *file) |
---|
| 5924 | { |
---|
| 5925 | vl_term *retval; |
---|
| 5926 | |
---|
| 5927 | retval = new_term(NIL(vl_range), 0, -1); |
---|
| 5928 | |
---|
| 5929 | fprintf(file, ".names %s%06x %s\n%s 0\n%s%d%s 1\n", |
---|
| 5930 | FG_LC_PS,((fg_graph_info*)vl_writeFlowGraph->user_data)->fg_id, |
---|
| 5931 | retval->name->name, HSIS_DEFAULT, FG_LLOC, 0, FG_RLOC); |
---|
| 5932 | |
---|
| 5933 | return retval; |
---|
| 5934 | } |
---|
| 5935 | |
---|
| 5936 | |
---|
| 5937 | static void vl_write_timer(FILE *file, lsList graph_list) |
---|
| 5938 | { |
---|
| 5939 | lsGen gen; |
---|
| 5940 | lsHandle handle; |
---|
| 5941 | graph_t *graph; |
---|
| 5942 | fg_graph_info *gdata; |
---|
| 5943 | int i; |
---|
| 5944 | |
---|
| 5945 | for (gen=lsStart(graph_list); |
---|
| 5946 | lsNext(gen, (lsGeneric*)&graph, &handle) != LS_NOMORE; ) { |
---|
| 5947 | if (vl_preDeclare) { |
---|
| 5948 | gdata = ((fg_graph_info*)graph->user_data); |
---|
| 5949 | if (gdata->fg_id == -1) { |
---|
| 5950 | fg_new_fg_id(); |
---|
| 5951 | gdata->fg_id = fg_fg_id(); |
---|
| 5952 | } |
---|
| 5953 | fprintf(file, ".mv %s%06x, %s%06x %d %s%d%s ", |
---|
| 5954 | FG_LC_PS, gdata->fg_id, FG_LC_NS, gdata->fg_id, |
---|
| 5955 | (gdata->pause_hi-gdata->pause_lo)*2+2, |
---|
| 5956 | FG_LLOC, 0, FG_RLOC); |
---|
| 5957 | for (i=gdata->pause_lo; i<gdata->pause_hi; i++) |
---|
| 5958 | fprintf(file, "%s%d%s %s%d%s%s ", |
---|
| 5959 | FG_LLOC, i, FG_RLOC, FG_LLOC, i, |
---|
| 5960 | FG_RLOC, FG_TIMER_PRIME); |
---|
| 5961 | fprintf(file, "%s%s\n", FG_LLOC, FG_RLOC); |
---|
| 5962 | continue; |
---|
| 5963 | } |
---|
| 5964 | |
---|
| 5965 | if (graph) { |
---|
| 5966 | if (!fg_check_timer_consistency(file, graph)) { |
---|
| 5967 | char buf[MAXSTRLEN]; |
---|
| 5968 | yylineno = -1; |
---|
| 5969 | sprintf(buf, "%s: contains delay free cycle(s)", |
---|
| 5970 | vl_currentModule->name->name); |
---|
| 5971 | fprintf(stderr, "%s\n", buf); |
---|
| 5972 | } |
---|
| 5973 | fg_set_fg(graph); |
---|
| 5974 | fg_write_timer(file, graph); |
---|
| 5975 | fg_set_fg(NIL(graph_t)); |
---|
| 5976 | } |
---|
| 5977 | } |
---|
| 5978 | lsFinish(gen); |
---|
| 5979 | } |
---|
| 5980 | |
---|
| 5981 | |
---|
| 5982 | FILE *openStream() |
---|
| 5983 | { |
---|
| 5984 | return tmpfile(); |
---|
| 5985 | } |
---|
| 5986 | |
---|
| 5987 | void closeStream(FILE *stream) |
---|
| 5988 | { |
---|
| 5989 | fclose(stream); |
---|
| 5990 | } |
---|
| 5991 | |
---|
| 5992 | void dumpStream(FILE *to, FILE *from) |
---|
| 5993 | { |
---|
| 5994 | char buf[MAXSTRLEN]; |
---|
| 5995 | |
---|
| 5996 | rewind(from); |
---|
| 5997 | while(fgets(buf, MAXSTRLEN, from)!=NULL) |
---|
| 5998 | fputs(buf, to); |
---|
| 5999 | } |
---|
| 6000 | |
---|
| 6001 | |
---|
| 6002 | char * cfsm_inputs(char *inputs) |
---|
| 6003 | { |
---|
| 6004 | int len, i; |
---|
| 6005 | char arg[MAXSTRLEN]; |
---|
| 6006 | char token[MAXSTRLEN]; |
---|
| 6007 | char *cp; |
---|
| 6008 | static char buf[MAXSTRLEN]; |
---|
| 6009 | |
---|
| 6010 | buf[0] = '\0'; |
---|
| 6011 | len = strlen(inputs); |
---|
| 6012 | for (cp=inputs; cp<inputs+len; ) { |
---|
| 6013 | i = 0; |
---|
| 6014 | while ((*cp == ' ' || *cp == '\t') && *cp != '\0') cp++; |
---|
| 6015 | while ((*cp != ' ' && *cp != '\t') && *cp != '\0') { |
---|
| 6016 | token[i] = *cp; |
---|
| 6017 | cp++; i++; |
---|
| 6018 | } |
---|
| 6019 | if (i > 0) { |
---|
| 6020 | token[i] = '\0'; |
---|
| 6021 | sprintf(arg, " %s=%s", token, token); |
---|
| 6022 | strcat(buf, arg); |
---|
| 6023 | } |
---|
| 6024 | } |
---|
| 6025 | |
---|
| 6026 | return buf; |
---|
| 6027 | } |
---|
| 6028 | |
---|
| 6029 | char *cfsm_ports(char *ports) |
---|
| 6030 | { |
---|
| 6031 | int len, i; |
---|
| 6032 | char arg[MAXSTRLEN]; |
---|
| 6033 | char token[MAXSTRLEN]; |
---|
| 6034 | char *cp; |
---|
| 6035 | static char buf[MAXSTRLEN]; |
---|
| 6036 | int ithToken; |
---|
| 6037 | |
---|
| 6038 | buf[0] = '\0'; |
---|
| 6039 | len = strlen(ports); |
---|
| 6040 | ithToken=0; |
---|
| 6041 | for (cp=ports; cp<ports+len; ) { |
---|
| 6042 | i = 0; |
---|
| 6043 | while ((*cp == ' ' || *cp == '\t') && *cp != '\0') cp++; |
---|
| 6044 | while ((*cp != ' ' && *cp != '\t') && *cp != '\0') { |
---|
| 6045 | token[i] = *cp; |
---|
| 6046 | cp++; i++; |
---|
| 6047 | } |
---|
| 6048 | if (i > 0) { |
---|
| 6049 | token[i] = '\0'; |
---|
| 6050 | if (ithToken > 0) |
---|
| 6051 | sprintf(arg, " , %s", token); |
---|
| 6052 | else |
---|
| 6053 | sprintf(arg, " %s", token); |
---|
| 6054 | strcat(buf, arg); |
---|
| 6055 | ithToken++; |
---|
| 6056 | } |
---|
| 6057 | } |
---|
| 6058 | |
---|
| 6059 | return buf; |
---|
| 6060 | } |
---|
| 6061 | |
---|
| 6062 | |
---|
| 6063 | FILE *vl_begin_buffer() |
---|
| 6064 | { |
---|
| 6065 | return tmpfile(); |
---|
| 6066 | } |
---|
| 6067 | |
---|
| 6068 | |
---|
| 6069 | void vl_close_buffer(FILE *buffer) |
---|
| 6070 | { |
---|
| 6071 | fclose(buffer); |
---|
| 6072 | } |
---|
| 6073 | |
---|
| 6074 | |
---|
| 6075 | void vl_append_buffer(FILE *main_stream, FILE *buffer) |
---|
| 6076 | { |
---|
| 6077 | char buf[MAXSTRLEN]; |
---|
| 6078 | |
---|
| 6079 | rewind(buffer); |
---|
| 6080 | while(fgets(buf, MAXSTRLEN, buffer)!=NULL) |
---|
| 6081 | fputs(buf, main_stream); |
---|
| 6082 | } |
---|