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using ramulator dram simulator

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This commit is contained in:
Blaise Tine
2021-12-06 01:22:45 -05:00
parent 59232642c4
commit b741807f8c
33 changed files with 1473 additions and 1344 deletions
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8
driver/simx/Makefile
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@@ -9,7 +9,7 @@ CXXFLAGS += $(CONFIGS)
CXXFLAGS += -DDUMP_PERF_STATS
LDFLAGS += -shared -pthread
LDFLAGS += $(SIMX_DIR)/libsimx.a
LDFLAGS += -L. -lsimx
SRCS = vortex.cpp ../common/vx_utils.cpp
@@ -18,9 +18,9 @@ PROJECT = libvortex.so
all: $(PROJECT)
$(PROJECT): $(SRCS)
$(MAKE) -C $(SIMX_DIR) static
DESTDIR=../../driver/simx $(MAKE) -C $(SIMX_DIR) ../../driver/simx/libsimx.so
$(CXX) $(CXXFLAGS) $^ $(LDFLAGS) -o $@
clean:
$(MAKE) -C $(SIMX_DIR) clean-static
rm -rf $(PROJECT) *.o
DESTDIR=../../driver/simx $(MAKE) -C $(SIMX_DIR) clean
rm -rf libsimx.so $(PROJECT) *.o

37
driver/simx/vortex.cpp
View File

@@ -60,7 +60,13 @@ public:
: arch_("rv32i", NUM_CORES * NUM_CLUSTERS, NUM_WARPS, NUM_THREADS)
, ram_(RAM_PAGE_SIZE)
, mem_allocation_(ALLOC_BASE_ADDR)
{}
{
// setup memory simulator
memsim_ = MemSim::Create(MemSim::Config{
DRAM_CHANNELS,
arch_.num_cores()
});
}
~vx_device() {
if (future_.valid()) {
@@ -113,13 +119,33 @@ public:
if (future_.valid()) {
future_.wait();
}
// start new run
SimPlatform::instance().flush();
processor_ = std::make_shared<Processor>(arch_);
processor_->attach_ram(&ram_);
future_ = std::async(std::launch::async, [&]{
processor_->run();
if (processor_) {
// release current processor instance
processor_->MemReqPort.unbind();
memsim_->MemRspPort.unbind();
SimPlatform::instance().release_object(processor_);
}
// create new processor instance
processor_ = Processor::Create(arch_);
processor_->MemReqPort.bind(&memsim_->MemReqPort);
memsim_->MemRspPort.bind(&processor_->MemRspPort);
// attach memory object
processor_->attach_ram(&ram_);
// run simulation
int exitcode;
for (;;) {
SimPlatform::instance().step();
if (processor_->check_exit(&exitcode))
break;
};
});
return 0;
}
@@ -141,6 +167,7 @@ public:
private:
ArchDef arch_;
RAM ram_;
MemSim::Ptr memsim_;
Processor::Ptr processor_;
uint64_t mem_allocation_;
std::future<void> future_;