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For unknown traps, print contents of registers and continue execution

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Michael Meissner 1996-09-14 02:36:40 +00:00
parent c03e48e87f
commit 19d44375ff
2 changed files with 36 additions and 0 deletions
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5
sim/d10v/ChangeLog
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@ -1,3 +1,8 @@
Fri Sep 13 22:35:19 1996 Michael Meissner <meissner@tiktok.cygnus.com>
* simops.c (OP_5F00): Use unknown traps to print all GPRs,
accumulators, PC, and F0/F1/C flags.
Thu Sep 12 12:50:11 1996 Mark Alexander <marka@cygnus.com> Thu Sep 12 12:50:11 1996 Mark Alexander <marka@cygnus.com>
* simops.c (OP_5F00): Fix problems with system calls. * simops.c (OP_5F00): Fix problems with system calls.

31
sim/d10v/simops.c
View file

@ -2425,8 +2425,38 @@ OP_5F00 ()
switch (OP[0]) switch (OP[0])
{ {
default: default:
#if 0
(*d10v_callback->printf_filtered) (d10v_callback, "Unknown trap code %d\n", OP[0]); (*d10v_callback->printf_filtered) (d10v_callback, "Unknown trap code %d\n", OP[0]);
State.exception = SIGILL; State.exception = SIGILL;
#else
/* Use any other traps for batch debugging. */
{
int i;
static int first_time = 1;
if (first_time)
{
first_time = 0;
(*d10v_callback->printf_filtered) (d10v_callback, "Trap # PC ");
for (i = 0; i < 16; i++)
(*d10v_callback->printf_filtered) (d10v_callback, " %sr%d", (i > 9) ? "" : " ", i);
(*d10v_callback->printf_filtered) (d10v_callback, " a0 a1 f0 f1 c\n");
}
(*d10v_callback->printf_filtered) (d10v_callback, "Trap %2d 0x%.4x:", (int)OP[0], (int)PC);
for (i = 0; i < 16; i++)
(*d10v_callback->printf_filtered) (d10v_callback, " %.4x", (int) State.regs[i]);
for (i = 0; i < 2; i++)
(*d10v_callback->printf_filtered) (d10v_callback, " %.2x%.8lx",
((int)(State.a[OP[i]] >> 32) & 0xff),
((unsigned long)State.a[OP[i]]) & 0xffffffff);
(*d10v_callback->printf_filtered) (d10v_callback, " %d %d %d\n",
State.F0 != 0, State.F1 != 0, State.C != 0);
break;
#endif
case 0: case 0:
/* Trap 0 is used for simulating low-level I/O */ /* Trap 0 is used for simulating low-level I/O */
@ -2588,6 +2618,7 @@ OP_5F00 ()
/* Trap 3 writes a character */ /* Trap 3 writes a character */
putchar (State.regs[2]); putchar (State.regs[2]);
break; break;
}
} }
} }