1 | #ifdef SYSTEMC |
---|
2 | /* |
---|
3 | * $Id: Decod_queue_genMealy_decod_out.cpp 88 2008-12-10 18:31:39Z rosiere $ |
---|
4 | * |
---|
5 | * [ Description ] |
---|
6 | * |
---|
7 | */ |
---|
8 | |
---|
9 | #include "Behavioural/Core/Multi_Front_end/Front_end/Decod_unit/Decod_queue/include/Decod_queue.h" |
---|
10 | |
---|
11 | namespace morpheo { |
---|
12 | namespace behavioural { |
---|
13 | namespace core { |
---|
14 | namespace multi_front_end { |
---|
15 | namespace front_end { |
---|
16 | namespace decod_unit { |
---|
17 | namespace decod_queue { |
---|
18 | |
---|
19 | |
---|
20 | #undef FUNCTION |
---|
21 | #define FUNCTION "Decod_queue::genMealy_decod_out" |
---|
22 | void Decod_queue::genMealy_decod_out (void) |
---|
23 | { |
---|
24 | log_begin(Decod_queue,FUNCTION); |
---|
25 | log_function(Decod_queue,FUNCTION,_name.c_str()); |
---|
26 | |
---|
27 | Tcontrol_t val [_param->_nb_inst_decod]; |
---|
28 | for (uint32_t i=0; i<_param->_nb_inst_decod; i++) |
---|
29 | { |
---|
30 | val [i] = 0; |
---|
31 | internal_DECOD_OUT_VAL [i] = 0; |
---|
32 | internal_DECOD_OUT_ACK [i] = 0; |
---|
33 | } |
---|
34 | |
---|
35 | if (not reg_QUEUE->empty()) |
---|
36 | for (uint32_t i=0; i<_param->_nb_inst_decod; i++) |
---|
37 | if (reg_QUEUE->front()->_val [i]) |
---|
38 | { |
---|
39 | log_printf(TRACE,Decod_queue,FUNCTION,_(" * Queue is not empty, slot [%d] is valid."),i); |
---|
40 | |
---|
41 | Tcontext_t context = reg_QUEUE->front()->_context_id [i]; |
---|
42 | Tdepth_t depth = reg_QUEUE->front()->_depth [i]; |
---|
43 | Tdepth_t depth_min = (_param->_have_port_depth)?PORT_READ(in_DEPTH_MIN [context]):0; |
---|
44 | Tdepth_t depth_max = PORT_READ(in_DEPTH_MAX[context]); |
---|
45 | |
---|
46 | // is a valid instruction ? |
---|
47 | // If DEPTH_CURRENT : |
---|
48 | // equal at DEPTH_MIN -> not speculative |
---|
49 | // not include ]DEPTH_MIN:DEPTH_MAX[ -> previous branch miss |
---|
50 | // include ]DEPTH_MIN:DEPTH_MAX[ -> speculative |
---|
51 | |
---|
52 | // All case |
---|
53 | // ....... min ...X... max ....... OK |
---|
54 | // ....... min ....... max ...X... KO |
---|
55 | // ...X... min ....... max ....... KO |
---|
56 | // ....... max ....... min ...X... OK |
---|
57 | // ...X... max ....... min ....... OK |
---|
58 | // ....... max ...X... min ....... KO |
---|
59 | |
---|
60 | Tcontrol_t is_valid = ((depth == depth_min) or |
---|
61 | ((depth_min < depth_max)? |
---|
62 | (depth<depth_max): |
---|
63 | ((depth > depth_min) or (depth < depth_max)))); |
---|
64 | // Tcontrol_t is_valid = depth <= depth_max; |
---|
65 | |
---|
66 | log_printf(TRACE,Decod_queue,FUNCTION,_(" * is_valid : %d"),is_valid); |
---|
67 | |
---|
68 | internal_DECOD_OUT_VAL [i] = 1; // in all case, val is set (entry is not empty, and instruction is valid) |
---|
69 | if (is_valid) |
---|
70 | { |
---|
71 | val [i] = 1; |
---|
72 | internal_DECOD_OUT_ACK [i] = PORT_READ(in_DECOD_OUT_ACK [i]); |
---|
73 | } |
---|
74 | else |
---|
75 | { |
---|
76 | // Cusume the instruction (to erase) |
---|
77 | internal_DECOD_OUT_ACK [i] = 1; |
---|
78 | } |
---|
79 | } |
---|
80 | |
---|
81 | for (uint32_t i=0; i<_param->_nb_inst_decod; i++) |
---|
82 | { |
---|
83 | log_printf(TRACE,Decod_queue,FUNCTION,_(" * DECOD_OUT_VAL : %d"),val [i]); |
---|
84 | |
---|
85 | PORT_WRITE(out_DECOD_OUT_VAL [i],val [i]); |
---|
86 | } |
---|
87 | |
---|
88 | log_end(Decod_queue,FUNCTION); |
---|
89 | }; |
---|
90 | |
---|
91 | }; // end namespace decod_queue |
---|
92 | }; // end namespace decod_unit |
---|
93 | }; // end namespace front_end |
---|
94 | }; // end namespace multi_front_end |
---|
95 | }; // end namespace core |
---|
96 | |
---|
97 | }; // end namespace behavioural |
---|
98 | }; // end namespace morpheo |
---|
99 | #endif |
---|