diff options
Diffstat (limited to 'cpu/simple')
-rw-r--r-- | cpu/simple/cpu.cc | 22 | ||||
-rw-r--r-- | cpu/simple/cpu.hh | 3 |
2 files changed, 17 insertions, 8 deletions
diff --git a/cpu/simple/cpu.cc b/cpu/simple/cpu.cc index 0f1f9574a..40b506a78 100644 --- a/cpu/simple/cpu.cc +++ b/cpu/simple/cpu.cc @@ -172,21 +172,27 @@ SimpleCPU::SimpleCPU(Params *p) #if SIMPLE_CPU_MEM_ATOMIC || SIMPLE_CPU_MEM_IMMEDIATE ifetch_req = new Request(true); ifetch_req->setAsid(0); + // @todo fix me and get the real cpu iD!!! + ifetch_req->setCpuNum(0); ifetch_req->setSize(sizeof(MachInst)); ifetch_pkt = new Packet; ifetch_pkt->cmd = Read; - ifetch_pkt->data = (uint8_t *)&inst; + ifetch_pkt->dataStatic(&inst); ifetch_pkt->req = ifetch_req; ifetch_pkt->size = sizeof(MachInst); data_read_req = new Request(true); + // @todo fix me and get the real cpu iD!!! + data_read_req->setCpuNum(0); data_read_req->setAsid(0); data_read_pkt = new Packet; data_read_pkt->cmd = Read; - data_read_pkt->data = new uint8_t[8]; + data_read_pkt->dataStatic(&dataReg); data_read_pkt->req = data_read_req; data_write_req = new Request(true); + // @todo fix me and get the real cpu iD!!! + data_write_req->setCpuNum(0); data_write_req->setAsid(0); data_write_pkt = new Packet; data_write_pkt->cmd = Write; @@ -474,7 +480,7 @@ SimpleCPU::read(Addr addr, T &data, unsigned flags) // Fault fault = xc->read(memReq,data); // Not sure what to check for no fault... if (data_read_pkt->result == Success) { - memcpy(&data, data_read_pkt->data, sizeof(T)); + data = data_read_pkt->get<T>(); } if (traceData) { @@ -517,7 +523,7 @@ SimpleCPU::read(Addr addr, T &data, unsigned flags) // Need to find a way to not duplicate code above. if (data_read_pkt->result == Success) { - memcpy(&data, data_read_pkt->data, sizeof(T)); + data = data_read_pkt->get<T>(); } if (traceData) { @@ -621,11 +627,11 @@ SimpleCPU::write(T data, Addr addr, unsigned flags, uint64_t *res) data_write_pkt = new Packet; data_write_pkt->cmd = Write; data_write_pkt->req = data_write_req; - data_write_pkt->data = new uint8_t[64]; - memcpy(data_write_pkt->data, &data, sizeof(T)); + data_write_pkt->allocate(); + data_write_pkt->set(data); #else data_write_pkt->reset(); - data_write_pkt->data = (uint8_t *)&data; + data_write_pkt->dataStatic(&data); #endif data_write_pkt->addr = data_write_req->getPaddr(); data_write_pkt->size = sizeof(T); @@ -816,7 +822,7 @@ SimpleCPU::processResponse(Packet &response) scheduleTickEvent(1); // Copy the icache data into the instruction itself. - memcpy(&inst, pkt->data, sizeof(inst)); + inst = pkt->get<MachInst>(); delete pkt; break; diff --git a/cpu/simple/cpu.hh b/cpu/simple/cpu.hh index c3ff5cf3d..3640348a3 100644 --- a/cpu/simple/cpu.hh +++ b/cpu/simple/cpu.hh @@ -207,6 +207,9 @@ class SimpleCPU : public BaseCPU // current instruction MachInst inst; + // Static data storage + TheISA::IntReg dataReg; + #if SIMPLE_CPU_MEM_TIMING Packet *retry_pkt; #elif SIMPLE_CPU_MEM_ATOMIC || SIMPLE_CPU_MEM_IMMEDIATE |