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get multichannel simulation working in emulator

This commit is contained in:
Howard Mao 2015-11-02 20:10:10 -08:00
parent 04d92dddbd
commit dcef020ca0
5 changed files with 156 additions and 48 deletions
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131
csrc/emulator.cc
View File

@ -10,6 +10,10 @@
#include <stdlib.h>
#include <unistd.h>
#define MEM_SIZE_BITS 3
#define MEM_LEN_BITS 8
#define MEM_RESP_BITS 2
htif_emulator_t* htif;
void handle_sigterm(int sig)
{
@ -29,6 +33,7 @@ int main(int argc, char** argv)
bool dramsim2 = false;
bool log = false;
uint64_t memsz_mb = MEM_SIZE / (1024*1024);
mm_t *mm[N_MEM_CHANNELS];
for (int i = 1; i < argc; i++)
{
@ -69,22 +74,25 @@ int main(int argc, char** argv)
srand(random_seed);
tile.init(random_seed);
uint64_t mem_width = tile.Top__io_mem_0_r_bits_data.width() / 8;
uint64_t mem_width = MEM_DATA_BITS / 8;
// Instantiate and initialize main memory
mm_t* mm = dramsim2 ? (mm_t*)(new mm_dramsim2_t) : (mm_t*)(new mm_magic_t);
try {
mm->init(memsz_mb*1024*1024, mem_width, LINE_SIZE);
for (int i = 0; i < N_MEM_CHANNELS; i++) {
mm[i] = dramsim2 ? (mm_t*)(new mm_dramsim2_t) : (mm_t*)(new mm_magic_t);
try {
mm[i]->init(memsz_mb*1024*1024, mem_width, LINE_SIZE);
} catch (const std::bad_alloc& e) {
fprintf(stderr,
"Failed to allocate %ld bytes (%ld MiB) of memory\n"
"Set smaller amount of memory using +memsize=<N> (in MiB)\n",
memsz_mb*1024*1024, memsz_mb);
exit(-1);
}
if (loadmem)
load_mem(mm[i]->get_data(), loadmem);
}
catch (const std::bad_alloc& e) {
fprintf(stderr,
"Failed to allocate %ld bytes (%ld MiB) of memory\n"
"Set smaller amount of memory using +memsize=<N> (in MiB)\n" , memsz_mb*1024*1024, memsz_mb
);
exit(-1);
}
if (loadmem)
load_mem(mm->get_data(), loadmem);
// Instantiate HTIF
htif = new htif_emulator_t(memsz_mb,
@ -104,21 +112,58 @@ int main(int argc, char** argv)
tile.clock_hi(LIT<1>(1));
}
dat_t<1> *mem_ar_valid[N_MEM_CHANNELS];
dat_t<1> *mem_ar_ready[N_MEM_CHANNELS];
dat_t<MEM_ADDR_BITS> *mem_ar_bits_addr[N_MEM_CHANNELS];
dat_t<MEM_ID_BITS> *mem_ar_bits_id[N_MEM_CHANNELS];
dat_t<MEM_SIZE_BITS> *mem_ar_bits_size[N_MEM_CHANNELS];
dat_t<MEM_LEN_BITS> *mem_ar_bits_len[N_MEM_CHANNELS];
dat_t<1> *mem_aw_valid[N_MEM_CHANNELS];
dat_t<1> *mem_aw_ready[N_MEM_CHANNELS];
dat_t<MEM_ADDR_BITS> *mem_aw_bits_addr[N_MEM_CHANNELS];
dat_t<MEM_ID_BITS> *mem_aw_bits_id[N_MEM_CHANNELS];
dat_t<MEM_SIZE_BITS> *mem_aw_bits_size[N_MEM_CHANNELS];
dat_t<MEM_LEN_BITS> *mem_aw_bits_len[N_MEM_CHANNELS];
dat_t<1> *mem_w_valid[N_MEM_CHANNELS];
dat_t<1> *mem_w_ready[N_MEM_CHANNELS];
dat_t<MEM_DATA_BITS> *mem_w_bits_data[N_MEM_CHANNELS];
dat_t<MEM_STRB_BITS> *mem_w_bits_strb[N_MEM_CHANNELS];
dat_t<1> *mem_w_bits_last[N_MEM_CHANNELS];
dat_t<1> *mem_b_valid[N_MEM_CHANNELS];
dat_t<1> *mem_b_ready[N_MEM_CHANNELS];
dat_t<MEM_RESP_BITS> *mem_b_bits_resp[N_MEM_CHANNELS];
dat_t<MEM_ID_BITS> *mem_b_bits_id[N_MEM_CHANNELS];
dat_t<1> *mem_r_valid[N_MEM_CHANNELS];
dat_t<1> *mem_r_ready[N_MEM_CHANNELS];
dat_t<MEM_RESP_BITS> *mem_r_bits_resp[N_MEM_CHANNELS];
dat_t<MEM_ID_BITS> *mem_r_bits_id[N_MEM_CHANNELS];
dat_t<MEM_DATA_BITS> *mem_r_bits_data[N_MEM_CHANNELS];
dat_t<1> *mem_r_bits_last[N_MEM_CHANNELS];
#include TBFRAG
while (!htif->done() && trace_count < max_cycles && ret == 0)
{
tile.Top__io_mem_0_ar_ready = LIT<1>(mm->ar_ready());
tile.Top__io_mem_0_aw_ready = LIT<1>(mm->aw_ready());
tile.Top__io_mem_0_w_ready = LIT<1>(mm->w_ready());
for (int i = 0; i < N_MEM_CHANNELS; i++) {
*mem_ar_ready[i] = LIT<1>(mm[i]->ar_ready());
*mem_aw_ready[i] = LIT<1>(mm[i]->aw_ready());
*mem_w_ready[i] = LIT<1>(mm[i]->w_ready());
tile.Top__io_mem_0_b_valid = LIT<1>(mm->b_valid());
tile.Top__io_mem_0_b_bits_resp = LIT<64>(mm->b_resp());
tile.Top__io_mem_0_b_bits_id = LIT<64>(mm->b_id());
*mem_b_valid[i] = LIT<1>(mm[i]->b_valid());
*mem_b_bits_resp[i] = LIT<64>(mm[i]->b_resp());
*mem_b_bits_id[i] = LIT<64>(mm[i]->b_id());
tile.Top__io_mem_0_r_valid = LIT<1>(mm->r_valid());
tile.Top__io_mem_0_r_bits_resp = LIT<64>(mm->r_resp());
tile.Top__io_mem_0_r_bits_id = LIT<64>(mm->r_id());
tile.Top__io_mem_0_r_bits_last = LIT<1>(mm->r_last());
memcpy(tile.Top__io_mem_0_r_bits_data.values, mm->r_data(), mem_width);
*mem_r_valid[i] = LIT<1>(mm[i]->r_valid());
*mem_r_bits_resp[i] = LIT<64>(mm[i]->r_resp());
*mem_r_bits_id[i] = LIT<64>(mm[i]->r_id());
*mem_r_bits_last[i] = LIT<1>(mm[i]->r_last());
memcpy(mem_r_bits_data[i]->values, mm[i]->r_data(), mem_width);
}
try {
tile.clock_lo(LIT<1>(0));
@ -128,27 +173,29 @@ int main(int argc, char** argv)
std::cerr << e.what() << std::endl;
}
mm->tick(
tile.Top__io_mem_0_ar_valid.lo_word(),
tile.Top__io_mem_0_ar_bits_addr.lo_word(),
tile.Top__io_mem_0_ar_bits_id.lo_word(),
tile.Top__io_mem_0_ar_bits_size.lo_word(),
tile.Top__io_mem_0_ar_bits_len.lo_word(),
for (int i = 0; i < N_MEM_CHANNELS; i++) {
mm[i]->tick(
mem_ar_valid[i]->to_bool(),
mem_ar_bits_addr[i]->lo_word(),
mem_ar_bits_id[i]->lo_word(),
mem_ar_bits_size[i]->lo_word(),
mem_ar_bits_len[i]->lo_word(),
tile.Top__io_mem_0_aw_valid.lo_word(),
tile.Top__io_mem_0_aw_bits_addr.lo_word(),
tile.Top__io_mem_0_aw_bits_id.lo_word(),
tile.Top__io_mem_0_aw_bits_size.lo_word(),
tile.Top__io_mem_0_aw_bits_len.lo_word(),
mem_aw_valid[i]->to_bool(),
mem_aw_bits_addr[i]->lo_word(),
mem_aw_bits_id[i]->lo_word(),
mem_aw_bits_size[i]->lo_word(),
mem_aw_bits_len[i]->lo_word(),
tile.Top__io_mem_0_w_valid.lo_word(),
tile.Top__io_mem_0_w_bits_strb.lo_word(),
tile.Top__io_mem_0_w_bits_data.values,
tile.Top__io_mem_0_w_bits_last.lo_word(),
mem_w_valid[i]->to_bool(),
mem_w_bits_strb[i]->lo_word(),
mem_w_bits_data[i]->values,
mem_w_bits_last[i]->to_bool(),
tile.Top__io_mem_0_r_ready.to_bool(),
tile.Top__io_mem_0_b_ready.to_bool()
);
mem_r_ready[i]->to_bool(),
mem_b_ready[i]->to_bool()
);
}
if (tile.Top__io_host_clk_edge.to_bool())
{

21
emulator/Makefile
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@ -32,11 +32,11 @@ $(generated_dir)/%.o: $(generated_dir)/%.cpp $(generated_dir)/%.h
$(generated_dir_debug)/%.o: $(generated_dir_debug)/%.cpp $(generated_dir_debug)/%.h
$(CXX) $(CXXFLAGS) -I$(generated_dir_debug) -c -o $@ $<
$(addsuffix .o,$(CXXSRCS)): %.o: $(base_dir)/csrc/%.cc $(base_dir)/csrc/*.h $(generated_dir)/$(MODEL).$(CONFIG).h
$(CXX) $(CXXFLAGS) -include $(generated_dir)/$(MODEL).$(CONFIG).h -I$(generated_dir) -c -o $@ $<
$(addsuffix .o,$(CXXSRCS)): %.o: $(base_dir)/csrc/%.cc $(base_dir)/csrc/*.h $(generated_dir)/$(MODEL).$(CONFIG).h $(generated_dir)/consts.$(CONFIG).h
$(CXX) $(CXXFLAGS) -include $(generated_dir)/$(MODEL).$(CONFIG).h -include $(generated_dir)/consts.$(CONFIG).h -I$(generated_dir) -c -o $@ $<
$(addsuffix .debug.o,$(CXXSRCS)): %.debug.o: $(base_dir)/csrc/%.cc $(base_dir)/csrc/*.h $(generated_dir_debug)/$(MODEL).$(CONFIG).h
$(CXX) $(CXXFLAGS) -include $(generated_dir_debug)/$(MODEL).$(CONFIG).h -I$(generated_dir_debug) -c -o $@ $<
$(addsuffix .debug.o,$(CXXSRCS)): %.debug.o: $(base_dir)/csrc/%.cc $(base_dir)/csrc/*.h $(generated_dir_debug)/$(MODEL).$(CONFIG).h $(generated_dir_debug)/consts.$(CONFIG).h
$(CXX) $(CXXFLAGS) -include $(generated_dir_debug)/$(MODEL).$(CONFIG).h -include $(generated_dir_debug)/consts.$(CONFIG).h -I$(generated_dir_debug) -c -o $@ $<
$(generated_dir)/$(MODEL).$(CONFIG).d $(generated_dir)/$(MODEL).$(CONFIG).h : $(chisel_srcs)
cd $(base_dir) && $(SBT) "project $(PROJECT)" "run $(CHISEL_ARGS) --noIoDebug"
@ -44,6 +44,19 @@ $(generated_dir)/$(MODEL).$(CONFIG).d $(generated_dir)/$(MODEL).$(CONFIG).h : $(
$(generated_dir_debug)/$(MODEL).$(CONFIG).h : $(chisel_srcs)
cd $(base_dir) && $(SBT) "project $(PROJECT)" "run $(CHISEL_ARGS)-debug --debug --vcd --ioDebug"
$(generated_dir)/consts.$(CONFIG).h: $(generated_dir)/$(MODEL).$(CONFIG).h
echo "#ifndef __CONST_H__" > $@
echo "#define __CONST_H__" >> $@
sed -r 's/\(([A-Za-z0-9_]+),([A-Za-z0-9_]+)\)/#define \1 \2/' $(patsubst %.h,%.prm,$<) >> $@
echo "#define TBFRAG \"$(MODEL).$(CONFIG).tb.cpp\"" >> $@
echo "#endif // __CONST_H__" >> $@
$(generated_dir_debug)/consts.$(CONFIG).h: $(generated_dir_debug)/$(MODEL).$(CONFIG).h
echo "#ifndef __CONST_H__" > $@
echo "#define __CONST_H__" >> $@
sed -r 's/\(([A-Za-z0-9_]+),([A-Za-z0-9_]+)\)/#define \1 \2/' $(patsubst %.h,%.prm,$<) >> $@
echo "#endif // __CONST_H__" >> $@
emu = emulator-$(MODEL)-$(CONFIG)
$(emu): $(generated_dir)/$(MODEL).$(CONFIG).h $(OBJS) libdramsim.a
$(CXX) $(CXXFLAGS) -o $@ $(OBJS) $(LDFLAGS)

2
src/main/scala/Configs.scala
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@ -280,3 +280,5 @@ class ExampleSmallConfig extends Config(new SmallConfig ++ new DefaultConfig)
class MultibankConfig extends Config(new With2Banks ++ new DefaultConfig)
class MultibankL2Config extends Config(
new With2Banks ++ new WithL2Cache ++ new DefaultConfig)
class MultichannelConfig extends Config(new With2MemoryChannels ++ new DefaultConfig)

45
src/main/scala/TestBench.scala
View File

@ -5,7 +5,7 @@ package rocketchip
import Chisel._
object TestBenchGeneration extends FileSystemUtilities {
def generateVerilogFragement(
def generateVerilogFragment(
topModuleName: String, configClassName: String,
nMemChannel: Int) = {
@ -322,4 +322,47 @@ object TestBenchGeneration extends FileSystemUtilities {
f.write(defs + nasti_defs + delays + nasti_delays + instantiation + ticks)
f.close
}
def generateCPPFragment(
topModuleName: String, configClassName: String, nMemChannel: Int) {
val assigns = (0 until nMemChannel).map { i => s"""
mem_ar_valid[$i] = &tile.Top__io_mem_${i}_ar_valid;
mem_ar_ready[$i] = &tile.Top__io_mem_${i}_ar_ready;
mem_ar_bits_addr[$i] = &tile.Top__io_mem_${i}_ar_bits_addr;
mem_ar_bits_id[$i] = &tile.Top__io_mem_${i}_ar_bits_id;
mem_ar_bits_size[$i] = &tile.Top__io_mem_${i}_ar_bits_size;
mem_ar_bits_len[$i] = &tile.Top__io_mem_${i}_ar_bits_len;
mem_aw_valid[$i] = &tile.Top__io_mem_${i}_aw_valid;
mem_aw_ready[$i] = &tile.Top__io_mem_${i}_aw_ready;
mem_aw_bits_addr[$i] = &tile.Top__io_mem_${i}_aw_bits_addr;
mem_aw_bits_id[$i] = &tile.Top__io_mem_${i}_aw_bits_id;
mem_aw_bits_size[$i] = &tile.Top__io_mem_${i}_aw_bits_size;
mem_aw_bits_len[$i] = &tile.Top__io_mem_${i}_aw_bits_len;
mem_w_valid[$i] = &tile.Top__io_mem_${i}_w_valid;
mem_w_ready[$i] = &tile.Top__io_mem_${i}_w_ready;
mem_w_bits_data[$i] = &tile.Top__io_mem_${i}_w_bits_data;
mem_w_bits_strb[$i] = &tile.Top__io_mem_${i}_w_bits_strb;
mem_w_bits_last[$i] = &tile.Top__io_mem_${i}_w_bits_last;
mem_b_valid[$i] = &tile.Top__io_mem_${i}_b_valid;
mem_b_ready[$i] = &tile.Top__io_mem_${i}_b_ready;
mem_b_bits_resp[$i] = &tile.Top__io_mem_${i}_b_bits_resp;
mem_b_bits_id[$i] = &tile.Top__io_mem_${i}_b_bits_id;
mem_r_valid[$i] = &tile.Top__io_mem_${i}_r_valid;
mem_r_ready[$i] = &tile.Top__io_mem_${i}_r_ready;
mem_r_bits_resp[$i] = &tile.Top__io_mem_${i}_r_bits_resp;
mem_r_bits_id[$i] = &tile.Top__io_mem_${i}_r_bits_id;
mem_r_bits_data[$i] = &tile.Top__io_mem_${i}_r_bits_data;
mem_r_bits_last[$i] = &tile.Top__io_mem_${i}_r_bits_last;
""" }.mkString
val f = createOutputFile(s"$topModuleName.$configClassName.tb.cpp")
f.write(assigns)
f.close
}
}

5
src/main/scala/Testing.scala
View File

@ -152,7 +152,10 @@ object TestGenerator extends App with FileSystemUtilities {
//Driver.elaborate(gen, configName = configClassName)
TestGeneration.generateMakefrag(topModuleName, configClassName)
TestBenchGeneration.generateVerilogFragement(
TestBenchGeneration.generateVerilogFragment(
topModuleName, configClassName,
paramsFromConfig(NMemoryChannels))
TestBenchGeneration.generateCPPFragment(
topModuleName, configClassName,
paramsFromConfig(NMemoryChannels))