call_panic_shell (void)
{
int d;
static bool flag_free = false, flag_shell = false;
ulong cr0;
if (config.vmm.panic_reboot) {
ttylog_copy_to_panicmem ();
mm_flush_wb_cache ();
usleep (1000000);
asm_rdcr0 (&cr0);
cr0 = (cr0 & ~CR0_NW_BIT) | CR0_CD_BIT;
asm_wridtr (0, 0);
asm_wrcr0 (cr0);
asm_wbinvd ();
do_panic_reboot ();
}
if (!flag_free) {
flag_free = true;
mm_force_unlock ();
mm_free_panicmem ();
}
d = panic_process;
if (d >= 0 && config.vmm.shell && !flag_shell &&
currentcpu->panic.shell_ready) {
flag_shell = true;
debug_msgregister ();
ttylog_stop ();
msgsendint (d, 0);
}
printf ("%s\n", panicmsg);
freeze ();
}
static void
dbgsh_thread (void *arg)
{
int shell, ttyin, ttyout;
msgregister ("dbgsh_ttyin", dbgsh_ttyin_msghandler);
msgregister ("dbgsh_ttyout", dbgsh_ttyout_msghandler);
debug_msgregister ();
ttyin = msgopen ("dbgsh_ttyin");
ttyout = msgopen ("dbgsh_ttyout");
for (;;) {
shell = newprocess ("shell");
if (ttyin < 0 || ttyout < 0 || shell < 0)
panic ("dbgsh_thread");
msgsenddesc (shell, ttyin);
msgsenddesc (shell, ttyout);
msgsendint (shell, 0);
msgclose (shell);
schedule ();
}
}
