[78] | 1 | #ifdef SYSTEMC |
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| 2 | /* |
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| 3 | * $Id: Ifetch_unit_Glue_genMealy_icache_req.cpp 123 2009-06-08 20:43:30Z rosiere $ |
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| 4 | * |
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| 5 | * [ Description ] |
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| 6 | * |
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| 7 | */ |
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| 8 | |
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| 9 | #include "Behavioural/Core/Multi_Front_end/Front_end/Ifetch_unit/Ifetch_unit_Glue/include/Ifetch_unit_Glue.h" |
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| 10 | |
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| 11 | namespace morpheo { |
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| 12 | namespace behavioural { |
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| 13 | namespace core { |
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| 14 | namespace multi_front_end { |
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| 15 | namespace front_end { |
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| 16 | namespace ifetch_unit { |
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| 17 | namespace ifetch_unit_glue { |
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| 18 | |
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| 19 | |
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| 20 | #undef FUNCTION |
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| 21 | #define FUNCTION "Ifetch_unit_Glue::genMealy_icache_req" |
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| 22 | void Ifetch_unit_Glue::genMealy_icache_req (void) |
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| 23 | { |
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| 24 | log_printf(FUNC,Ifetch_unit_Glue,FUNCTION,"Begin"); |
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| 25 | |
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[123] | 26 | if (PORT_READ(in_NRESET)) |
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| 27 | { |
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[78] | 28 | Tcontrol_t address_val = PORT_READ(in_ICACHE_REQ_ADDRESS_VAL); |
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| 29 | Tcontrol_t queue_ack = PORT_READ(in_ICACHE_REQ_QUEUE_ACK ); |
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| 30 | Tcontrol_t ack = PORT_READ(in_ICACHE_REQ_ACK ); |
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| 31 | |
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| 32 | PORT_WRITE(out_ICACHE_REQ_VAL , address_val and queue_ack); // have a address valid and queue have a slot empty |
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| 33 | PORT_WRITE(out_ICACHE_REQ_ADDRESS_ACK, ack and queue_ack); // cache can accept a new transaction and queue have a slot empty |
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| 34 | PORT_WRITE(out_ICACHE_REQ_QUEUE_VAL , address_val and ack); // cache can accept a new transaction and the address is valid |
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[85] | 35 | |
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| 36 | Taddress_t address = PORT_READ(in_ICACHE_REQ_ADDRESS_ADDRESS); |
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| 37 | PORT_WRITE(out_ICACHE_REQ_ADDRESS ,address); |
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| 38 | PORT_WRITE(out_ICACHE_REQ_QUEUE_ADDRESS,address); |
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[123] | 39 | } |
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| 40 | else |
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| 41 | { |
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| 42 | // RESET |
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| 43 | PORT_WRITE(out_ICACHE_REQ_VAL , 0); |
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| 44 | PORT_WRITE(out_ICACHE_REQ_ADDRESS_ACK, 0); |
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| 45 | PORT_WRITE(out_ICACHE_REQ_QUEUE_VAL , 0); |
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| 46 | } |
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[78] | 47 | |
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| 48 | log_printf(FUNC,Ifetch_unit_Glue,FUNCTION,"End"); |
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| 49 | }; |
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| 50 | |
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| 51 | }; // end namespace ifetch_unit_glue |
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| 52 | }; // end namespace ifetch_unit |
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| 53 | }; // end namespace front_end |
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| 54 | }; // end namespace multi_front_end |
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| 55 | }; // end namespace core |
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| 56 | |
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| 57 | }; // end namespace behavioural |
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| 58 | }; // end namespace morpheo |
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| 59 | #endif |
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