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;