1 | #ifdef SYSTEMC |
---|
2 | /* |
---|
3 | * $Id: Functionnal_unit_genMealy.cpp 118 2009-05-20 22:01:32Z rosiere $ |
---|
4 | * |
---|
5 | * [ Description ] |
---|
6 | * |
---|
7 | */ |
---|
8 | |
---|
9 | #include "Behavioural/Core/Multi_Execute_loop/Execute_loop/Multi_Execute_unit/Execute_unit/Functionnal_unit/include/Functionnal_unit.h" |
---|
10 | |
---|
11 | namespace morpheo { |
---|
12 | namespace behavioural { |
---|
13 | namespace core { |
---|
14 | namespace multi_execute_loop { |
---|
15 | namespace execute_loop { |
---|
16 | namespace multi_execute_unit { |
---|
17 | namespace execute_unit { |
---|
18 | namespace functionnal_unit { |
---|
19 | |
---|
20 | |
---|
21 | #undef FUNCTION |
---|
22 | #define FUNCTION "Functionnal_unit::genMealy" |
---|
23 | void Functionnal_unit::genMealy (void) |
---|
24 | { |
---|
25 | log_begin(Functionnal_unit,FUNCTION); |
---|
26 | log_function(Functionnal_unit,FUNCTION,_name.c_str()); |
---|
27 | |
---|
28 | if (PORT_READ(in_NRESET) != 0) |
---|
29 | { |
---|
30 | { |
---|
31 | // Can out if : have an instruction and is finish (latence == 0) |
---|
32 | internal_EXECUTE_OUT_VAL = (reg_BUSY_OUT and (_execute_operation_out->_timing._latence == 0)); |
---|
33 | |
---|
34 | PORT_WRITE(out_EXECUTE_OUT_VAL, internal_EXECUTE_OUT_VAL); |
---|
35 | } |
---|
36 | |
---|
37 | { |
---|
38 | // Can accept an instruction if : |
---|
39 | // * pipeline in is not busy (not previous instruction) |
---|
40 | // * pipeline in is busy ( previous instruction) and the instruction go to pipeline out |
---|
41 | if (_param->_have_pipeline_in) |
---|
42 | { |
---|
43 | internal_EXECUTE_IN_ACK = (not reg_BUSY_IN or |
---|
44 | (reg_BUSY_IN and (not reg_BUSY_OUT or |
---|
45 | (internal_EXECUTE_OUT_VAL and PORT_READ(in_EXECUTE_OUT_ACK))))); |
---|
46 | } |
---|
47 | else |
---|
48 | { |
---|
49 | internal_EXECUTE_IN_ACK = (not reg_BUSY_OUT or |
---|
50 | (internal_EXECUTE_OUT_VAL and PORT_READ(in_EXECUTE_OUT_ACK))); |
---|
51 | } |
---|
52 | |
---|
53 | PORT_WRITE(out_EXECUTE_IN_ACK , internal_EXECUTE_IN_ACK); |
---|
54 | } |
---|
55 | } |
---|
56 | |
---|
57 | log_end(Functionnal_unit,FUNCTION); |
---|
58 | }; |
---|
59 | |
---|
60 | }; // end namespace functionnal_unit |
---|
61 | }; // end namespace execute_unit |
---|
62 | }; // end namespace multi_execute_unit |
---|
63 | }; // end namespace execute_loop |
---|
64 | }; // end namespace multi_execute_loop |
---|
65 | }; // end namespace core |
---|
66 | }; // end namespace behavioural |
---|
67 | }; // end namespace morpheo |
---|
68 | #endif |
---|