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debug shell - control-C sets asynchronous halt request.

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This commit is contained in:
Kelvin Sherlock 2019-02-06 22:47:35 -05:00
parent b08806c12a
commit d0ed507ef4
1 changed files with 22 additions and 1 deletions
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23
src/debug_shell.re2c
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@ -5,17 +5,23 @@
*/
#include <stdio.h>
#include "defc.h"
#include <stdarg.h>
#include <ctype.h>
#include <string.h>
#include <unistd.h>
#include <signal.h>
#include "defc.h"
#include "disasm.h"
extern int g_fullscreen;
extern int g_config_control_panel;
extern Engine_reg engine;
extern int halt_sim;
int g_num_mp_breakpoints = 0;
@ -884,13 +890,27 @@ int debug_shell(int code) {
}
}
static void do_sig_intr(int sig, siginfo_t *info, void *context) {
set_halt(4);
}
/* also called by do_step */
void do_go() {
int ret;
int ok;
/* if -g flag, start with debug shell ... */
if (isatty(STDIN_FILENO)) {
struct sigaction sa;
memset(&sa, 0, sizeof(sa));
sigemptyset(&sa.sa_mask);
sa.sa_flags = SA_SIGINFO;
sa.sa_sigaction = do_sig_intr;
sigaction(SIGINT, &sa, NULL);
} else {
g_dbg_shell = 0;
}
g_config_control_panel = 1;
if (g_dbg_shell) {
@ -909,6 +929,7 @@ void do_go() {
ok = debug_shell(ret);
if (!ok) return;
g_config_control_panel = 0;
halt_sim &= ~0x07; /* clear any pending control-Cs, etc. */
}
}
}