riscv/rocket-chip
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catch sigterm to gracefully exit (fixes vcd)

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This commit is contained in:
Andrew Waterman 2012-11-20 05:40:44 -08:00
parent 7330deb13a
commit 6d47d18c2b
2 changed files with 12 additions and 3 deletions
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13
csrc/emulator.cc
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@ -1,5 +1,6 @@
#include "htif_phy.h"
#include <fcntl.h>
#include <signal.h>
#include <stdio.h>
#include <stdlib.h>
#include <map>
@ -10,6 +11,12 @@
#include "Top.h" // chisel-generated code...
#include "disasm.h"
static bool exit_now = false;
void handle_sigterm(int signum)
{
exit_now = true;
}
int main(int argc, char** argv)
{
int fromhost_fd = -1, tohost_fd = -1;
@ -25,6 +32,8 @@ int main(int argc, char** argv)
const char* failure = NULL;
disassembler disasm;
signal(SIGTERM, handle_sigterm);
for (int i = 1; i < argc; i++)
{
std::string arg = argv[i];
@ -90,7 +99,7 @@ int main(int argc, char** argv)
htif_phy_t htif_phy(tile.Top__io_host_in_bits.width(), fromhost_fd, tohost_fd);
while (max_cycles == 0 || trace_count < max_cycles)
while (!exit_now)
{
// fprintf(stderr, "trace count: %ld\n", trace_count);
// memory model
@ -169,7 +178,7 @@ int main(int argc, char** argv)
tile.clock_hi(LIT<1>(0));
trace_count++;
if (trace_count == max_cycles)
if (max_cycles != 0 && trace_count == max_cycles)
{
failure = "timeout";
break;

2
emulator/Makefile
View File

@ -79,7 +79,7 @@ output/%.out: output/%.hex emulator
fesvr -c -testrun -m3000000 -l +loadmem=$< none 2> $@
output/%.vpd: output/%.hex emulator-debug
fesvr -c./emulator-debug -testrun -m3000000 -l -v- +loadmem=$< none 2> $(patsubst %.vpd,%.out,$@) | vcd2vpd - $@ > /dev/null
fesvr -c./emulator-debug -testrun -m3000000 -l -v- +loadmem=$< none 2> $(patsubst %.vpd,%.out,$@) | vcd2vpd - $@ > /dev/null && [ $$PIPESTATUS -eq 0 ]
run-asm-tests: $(addprefix output/, $(addsuffix .out, $(global_asm_tests) $(global_asm_vm_tests)))
@echo; perl -ne 'print " [$$1] $$ARGV \t$$2\n" if /\*{3}(.{8})\*{3}(.*)/' $^; echo;