diff options
Diffstat (limited to 'src/cpu/inorder/cpu.cc')
| -rw-r--r-- | src/cpu/inorder/cpu.cc | 132 |
1 files changed, 111 insertions, 21 deletions
diff --git a/src/cpu/inorder/cpu.cc b/src/cpu/inorder/cpu.cc index a2367db63..1e3fdc40e 100644 --- a/src/cpu/inorder/cpu.cc +++ b/src/cpu/inorder/cpu.cc @@ -33,24 +33,34 @@ #include "arch/utility.hh" #include "config/full_system.hh" -#include "cpu/exetrace.hh" +#include "config/the_isa.hh" #include "cpu/activity.hh" -#include "cpu/simple_thread.hh" -#include "cpu/thread_context.hh" #include "cpu/base.hh" -#include "cpu/inorder/inorder_dyn_inst.hh" -#include "cpu/inorder/thread_context.hh" -#include "cpu/inorder/thread_state.hh" +#include "cpu/exetrace.hh" #include "cpu/inorder/cpu.hh" -#include "params/InOrderCPU.hh" -#include "cpu/inorder/pipeline_traits.hh" #include "cpu/inorder/first_stage.hh" -#include "cpu/inorder/resources/resource_list.hh" +#include "cpu/inorder/inorder_dyn_inst.hh" +#include "cpu/inorder/pipeline_traits.hh" #include "cpu/inorder/resource_pool.hh" +#include "cpu/inorder/resources/resource_list.hh" +#include "cpu/inorder/thread_context.hh" +#include "cpu/inorder/thread_state.hh" +#include "cpu/simple_thread.hh" +#include "cpu/thread_context.hh" #include "mem/translating_port.hh" +#include "params/InOrderCPU.hh" #include "sim/process.hh" #include "sim/stat_control.hh" +#if FULL_SYSTEM +#include "cpu/quiesce_event.hh" +#include "sim/system.hh" +#endif + +#if THE_ISA == ALPHA_ISA +#include "arch/alpha/osfpal.hh" +#endif + using namespace std; using namespace TheISA; using namespace ThePipeline; @@ -171,11 +181,16 @@ InOrderCPU::InOrderCPU(Params *params) timeBuffer(2 , 2), removeInstsThisCycle(false), activityRec(params->name, NumStages, 10, params->activity), +#if FULL_SYSTEM + system(params->system), + physmem(system->physmem), +#endif // FULL_SYSTEM switchCount(0), deferRegistration(false/*params->deferRegistration*/), stageTracing(params->stageTracing), numVirtProcs(1) { + ThreadID active_threads; cpu_params = params; resPool = new ResourcePool(this, params); @@ -183,13 +198,17 @@ InOrderCPU::InOrderCPU(Params *params) // Resize for Multithreading CPUs thread.resize(numThreads); - ThreadID active_threads = params->workload.size(); +#if FULL_SYSTEM + active_threads = 1; +#else + active_threads = params->workload.size(); if (active_threads > MaxThreads) { panic("Workload Size too large. Increase the 'MaxThreads'" "in your InOrder implementation or " "edit your workload size."); } +#endif // Bind the fetch & data ports from the resource pool. fetchPortIdx = resPool->getPortIdx(params->fetchMemPort); @@ -203,17 +222,23 @@ InOrderCPU::InOrderCPU(Params *params) } for (ThreadID tid = 0; tid < numThreads; ++tid) { +#if FULL_SYSTEM + // SMT is not supported in FS mode yet. + assert(numThreads == 1); + thread[tid] = new Thread(this, 0); +#else if (tid < (ThreadID)params->workload.size()) { DPRINTF(InOrderCPU, "Workload[%i] process is %#x\n", - tid, this->thread[tid]); - this->thread[tid] = + tid, params->workload[tid]->prog_fname); + thread[tid] = new Thread(this, tid, params->workload[tid]); } else { //Allocate Empty thread so M5 can use later //when scheduling threads to CPU Process* dummy_proc = params->workload[0]; - this->thread[tid] = new Thread(this, tid, dummy_proc); + thread[tid] = new Thread(this, tid, dummy_proc); } +#endif // Setup the TC that will serve as the interface to the threads/CPU. InOrderThreadContext *tc = new InOrderThreadContext; @@ -410,7 +435,7 @@ InOrderCPU::tick() //Tick next_tick = curTick + cycles(1); //tickEvent.schedule(next_tick); mainEventQueue.schedule(&tickEvent, nextCycle(curTick + 1)); - DPRINTF(InOrderCPU, "Scheduled CPU for next tick @ %i.\n", nextCycle() + curTick); + DPRINTF(InOrderCPU, "Scheduled CPU for next tick @ %i.\n", nextCycle(curTick + 1)); } } @@ -447,13 +472,6 @@ InOrderCPU::init() } void -InOrderCPU::readFunctional(Addr addr, uint32_t &buffer) -{ - tcBase()->getMemPort()->readBlob(addr, (uint8_t*)&buffer, sizeof(uint32_t)); - buffer = gtoh(buffer); -} - -void InOrderCPU::reset() { for (int i = 0; i < numThreads; i++) { @@ -468,6 +486,61 @@ InOrderCPU::getPort(const std::string &if_name, int idx) return resPool->getPort(if_name, idx); } +#if FULL_SYSTEM +Fault +InOrderCPU::hwrei(ThreadID tid) +{ + panic("hwrei: Unimplemented"); + + return NoFault; +} + + +bool +InOrderCPU::simPalCheck(int palFunc, ThreadID tid) +{ + panic("simPalCheck: Unimplemented"); + + return true; +} + + +Fault +InOrderCPU::getInterrupts() +{ + // Check if there are any outstanding interrupts + return this->interrupts->getInterrupt(this->threadContexts[0]); +} + + +void +InOrderCPU::processInterrupts(Fault interrupt) +{ + // Check for interrupts here. For now can copy the code that + // exists within isa_fullsys_traits.hh. Also assume that thread 0 + // is the one that handles the interrupts. + // @todo: Possibly consolidate the interrupt checking code. + // @todo: Allow other threads to handle interrupts. + + assert(interrupt != NoFault); + this->interrupts->updateIntrInfo(this->threadContexts[0]); + + DPRINTF(InOrderCPU, "Interrupt %s being handled\n", interrupt->name()); + this->trap(interrupt, 0); +} + + +void +InOrderCPU::updateMemPorts() +{ + // Update all ThreadContext's memory ports (Functional/Virtual + // Ports) + ThreadID size = thread.size(); + for (ThreadID i = 0; i < size; ++i) + thread[i]->connectMemPorts(thread[i]->getTC()); +} +#endif + void InOrderCPU::trap(Fault fault, ThreadID tid, int delay) { @@ -1230,6 +1303,22 @@ InOrderCPU::wakeCPU() mainEventQueue.schedule(&tickEvent, curTick); } +#if FULL_SYSTEM + +void +InOrderCPU::wakeup() +{ + if (this->thread[0]->status() != ThreadContext::Suspended) + return; + + this->wakeCPU(); + + DPRINTF(Quiesce, "Suspended Processor woken\n"); + this->threadContexts[0]->activate(); +} +#endif + +#if !FULL_SYSTEM void InOrderCPU::syscall(int64_t callnum, ThreadID tid) { @@ -1251,6 +1340,7 @@ InOrderCPU::syscall(int64_t callnum, ThreadID tid) // Clear Non-Speculative Block Variable nonSpecInstActive[tid] = false; } +#endif void InOrderCPU::prefetch(DynInstPtr inst) |