1 | #ifdef SYSTEMC |
---|
2 | /* |
---|
3 | * $Id: Ifetch_queue_function_no_assoc_genMoore.cpp 136 2009-10-20 18:52:15Z rosiere $ |
---|
4 | * |
---|
5 | * [ Description ] |
---|
6 | * |
---|
7 | */ |
---|
8 | |
---|
9 | #include "Behavioural/Core/Multi_Front_end/Front_end/Ifetch_unit/Ifetch_queue/include/Ifetch_queue.h" |
---|
10 | |
---|
11 | namespace morpheo { |
---|
12 | namespace behavioural { |
---|
13 | namespace core { |
---|
14 | namespace multi_front_end { |
---|
15 | namespace front_end { |
---|
16 | namespace ifetch_unit { |
---|
17 | namespace ifetch_queue { |
---|
18 | |
---|
19 | #undef FUNCTION |
---|
20 | #define FUNCTION "Ifetch_queue::function_no_assoc_genMoore" |
---|
21 | void Ifetch_queue::function_no_assoc_genMoore (void) |
---|
22 | { |
---|
23 | log_begin(Ifetch_queue,FUNCTION); |
---|
24 | log_function(Ifetch_queue,FUNCTION,_name.c_str()); |
---|
25 | |
---|
26 | if (PORT_READ(in_NRESET)) |
---|
27 | { |
---|
28 | // ========================================================== |
---|
29 | // =====[ ADDRESS ]========================================== |
---|
30 | // ========================================================== |
---|
31 | { |
---|
32 | internal_ADDRESS_ACK = (_queue[reg_PTR_WRITE]->_state == IFETCH_QUEUE_STATE_EMPTY); |
---|
33 | |
---|
34 | log_printf(TRACE,Ifetch_queue,FUNCTION," * ADDRESS_ACK : %d",internal_ADDRESS_ACK); |
---|
35 | |
---|
36 | if (_param->_have_port_ifetch_queue_ptr) |
---|
37 | PORT_WRITE(out_ADDRESS_IFETCH_QUEUE_ID, reg_PTR_WRITE); |
---|
38 | } |
---|
39 | |
---|
40 | // ========================================================== |
---|
41 | // =====[ DECOD ]============================================ |
---|
42 | // ========================================================== |
---|
43 | { |
---|
44 | bool ack = (_queue[reg_PTR_READ]->_state == IFETCH_QUEUE_STATE_HAVE_RSP); |
---|
45 | |
---|
46 | Tgeneral_address_t address = _queue[reg_PTR_READ]->_address; |
---|
47 | Tinst_ifetch_ptr_t inst_ifetch_ptr = _queue[reg_PTR_READ]->_inst_ifetch_ptr; |
---|
48 | Tbranch_state_t branch_state = _queue[reg_PTR_READ]->_branch_state; |
---|
49 | Tprediction_ptr_t branch_update_prediction_id = _queue[reg_PTR_READ]->_branch_update_prediction_id; |
---|
50 | Texception_t exception = _queue[reg_PTR_READ]->_exception; |
---|
51 | |
---|
52 | for (uint32_t i=0; i<_param->_nb_instruction; i++) |
---|
53 | { |
---|
54 | internal_DECOD_VAL [i] = ack and _queue[reg_PTR_READ]->_instruction_enable [i]; |
---|
55 | |
---|
56 | log_printf(TRACE,Ifetch_queue,FUNCTION," * DECOD_VAL [%d] : %d",i,internal_DECOD_VAL [i]); |
---|
57 | |
---|
58 | PORT_WRITE(out_DECOD_INSTRUCTION [i],_queue[reg_PTR_READ]->_instruction [i]); |
---|
59 | PORT_WRITE(out_DECOD_ADDRESS [i],address+i); |
---|
60 | if (inst_ifetch_ptr == i) |
---|
61 | { |
---|
62 | PORT_WRITE(out_DECOD_BRANCH_STATE [i],branch_state); |
---|
63 | } |
---|
64 | else |
---|
65 | { |
---|
66 | PORT_WRITE(out_DECOD_BRANCH_STATE [i], BRANCH_STATE_NONE); |
---|
67 | } |
---|
68 | if (_param->_have_port_depth) |
---|
69 | PORT_WRITE(out_DECOD_BRANCH_UPDATE_PREDICTION_ID[i],branch_update_prediction_id); |
---|
70 | PORT_WRITE(out_DECOD_EXCEPTION [i],exception); // all is same |
---|
71 | } |
---|
72 | |
---|
73 | } |
---|
74 | } |
---|
75 | else |
---|
76 | { |
---|
77 | // Reset |
---|
78 | internal_ADDRESS_ACK = 0; |
---|
79 | for (uint32_t i=0; i<_param->_nb_instruction; i++) |
---|
80 | internal_DECOD_VAL [i] = 0; |
---|
81 | |
---|
82 | } |
---|
83 | |
---|
84 | // Write Output |
---|
85 | PORT_WRITE(out_ADDRESS_ACK , internal_ADDRESS_ACK); |
---|
86 | for (uint32_t i=0; i<_param->_nb_instruction; i++) |
---|
87 | PORT_WRITE(out_DECOD_VAL [i], internal_DECOD_VAL [i]); |
---|
88 | |
---|
89 | log_end(Ifetch_queue,FUNCTION); |
---|
90 | }; |
---|
91 | |
---|
92 | }; // end namespace ifetch_queue |
---|
93 | }; // end namespace ifetch_unit |
---|
94 | }; // end namespace front_end |
---|
95 | }; // end namespace multi_front_end |
---|
96 | }; // end namespace core |
---|
97 | }; // end namespace behavioural |
---|
98 | }; // end namespace morpheo |
---|
99 | #endif |
---|