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vcs: add dramsim on emu run #302

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merged 2 commits into from
Mar 13, 2024
Merged

vcs: add dramsim on emu run #302

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1834161
vcs: add dramsim on emu run
xiaokamikami Mar 7, 2024
766c123
vcs: fix dramsim soft load
xiaokamikami Mar 13, 2024
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9 changes: 8 additions & 1 deletion palladium.mk
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Original file line number Diff line number Diff line change
Expand Up @@ -27,6 +27,9 @@ PLDM_MACRO_FLAGS += $(PLDM_EXTRA_MACRO)
ifeq ($(WORKLOAD_SWITCH),1)
PLDM_MACRO_FLAGS += +define+ENABLE_WORKLOAD_SWITCH
endif
ifeq ($(WITH_DRAMSIM3),1)
PLDM_MACRO_FLAGS += +define+WITH_DRAMSIM3
endif

# UA Args
IXCOM_FLAGS = -clean -64 -ua +sv +ignoreSimVerCheck +xe_alt_xlm
Expand Down Expand Up @@ -79,6 +82,10 @@ PLDM_CXXFILES = $(SIM_CXXFILES) $(shell find $(PLDM_CSRC_DIR) -name "*.cpp")
PLDM_CXXFLAGS = -m64 -c -fPIC -g -std=c++11 -I$(PLDM_IXCOM) -I$(PLDM_SIMTOOL)
PLDM_CXXFLAGS += $(SIM_CXXFLAGS) -I$(PLDM_CSRC_DIR) -DNUM_CORES=$(NUM_CORES)

ifeq ($(WITH_DRAMSIM3),1)
PLDM_LD_LIB = -L $(DRAMSIM3_HOME)/ -ldramsim3 -Wl,-rpath-link=$(DRAMSIM3_HOME)/libdramsim3.so
endif

# XMSIM Flags
XMSIM_FLAGS = --xmsim -64 +xcprof -profile -PROFTHREAD
ifneq ($(SYNTHESIS), 1)
Expand Down Expand Up @@ -111,7 +118,7 @@ pldm-build: $(PLDM_BUILD_DIR) $(PLDM_VFILELIST) $(PLDM_CC_OBJ_DIR)
ixcom $(IXCOM_FLAGS) -l $(PLDM_BUILD_DIR)/ixcom.log && \
cd $(PLDM_CC_OBJ_DIR) && \
$(CC) $(PLDM_CXXFLAGS) $(PLDM_CXXFILES) && \
$(CC) -o $(DPILIB_EMU) -m64 -shared *.o
$(CC) -o $(DPILIB_EMU) -m64 -shared *.o $(PLDM_LD_LIB)
endif

pldm-run: $(PLDM_BUILD_DIR)
Expand Down
7 changes: 7 additions & 0 deletions src/test/csrc/common/ram.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -444,14 +444,19 @@ void dramsim3_init() {
}

void dramsim3_step() {
if (dram == NULL)
return;
dram->tick();
}

void dramsim3_finish() {
delete dram;
dram = NULL;
}

uint64_t memory_response(bool isWrite) {
if (dram == NULL)
return 0;
auto response = (isWrite) ? dram->check_write_response() : dram->check_read_response();
if (response) {
auto meta = static_cast<dramsim3_meta *>(response->req->meta);
Expand All @@ -464,6 +469,8 @@ uint64_t memory_response(bool isWrite) {
}

bool memory_request(uint64_t address, uint32_t id, bool isWrite) {
if (dram == NULL)
return false;
if (dram->will_accept(address, isWrite)) {
auto req = new CoDRAMRequest();
auto meta = new dramsim3_meta;
Expand Down
6 changes: 6 additions & 0 deletions src/test/csrc/vcs/vcs_main.cpp
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Expand Up @@ -179,6 +179,12 @@ void difftest_deferred_result(uint8_t result) {
}
#endif // CONFIG_DIFFTEST_DEFERRED_RESULT

#ifdef WITH_DRAMSIM3
extern "C" void simv_tick() {
dramsim3_step();
}
#endif

void simv_finish() {
common_finish();
flash_finish();
Expand Down
8 changes: 8 additions & 0 deletions src/test/vsrc/vcs/top.v
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Original file line number Diff line number Diff line change
Expand Up @@ -24,6 +24,9 @@ import "DPI-C" function void set_diff_ref_so(string diff_so);
import "DPI-C" function void set_no_diff();
import "DPI-C" function byte simv_init();
import "DPI-C" function void set_max_instrs(longint mc);
`ifdef WITH_DRAMSIM3
import "DPI-C" function void simv_tick();
`endif // WITH_DRAMSIM3
`ifdef ENABLE_WORKLOAD_SWITCH
import "DPI-C" function void set_workload_list(string path);
`endif // ENABLE_WORKLOAD_SWITCH
Expand Down Expand Up @@ -256,6 +259,11 @@ always @(posedge clock) begin
end

`ifndef TB_NO_DPIC
`ifdef WITH_DRAMSIM3
if (n_cycles) begin
simv_tick();
end
`endif // WITH_DRAMSIM3
// difftest
if (!n_cycles) begin
if (simv_init()) begin
Expand Down