For unknown traps, print contents of registers and continue execution
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@ -1,3 +1,8 @@
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Fri Sep 13 22:35:19 1996 Michael Meissner <meissner@tiktok.cygnus.com>
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* simops.c (OP_5F00): Use unknown traps to print all GPRs,
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accumulators, PC, and F0/F1/C flags.
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Thu Sep 12 12:50:11 1996 Mark Alexander <marka@cygnus.com>
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* simops.c (OP_5F00): Fix problems with system calls.
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@ -2425,8 +2425,38 @@ OP_5F00 ()
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switch (OP[0])
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{
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default:
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#if 0
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(*d10v_callback->printf_filtered) (d10v_callback, "Unknown trap code %d\n", OP[0]);
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State.exception = SIGILL;
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#else
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/* Use any other traps for batch debugging. */
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{
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int i;
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static int first_time = 1;
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if (first_time)
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{
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first_time = 0;
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(*d10v_callback->printf_filtered) (d10v_callback, "Trap # PC ");
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for (i = 0; i < 16; i++)
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(*d10v_callback->printf_filtered) (d10v_callback, " %sr%d", (i > 9) ? "" : " ", i);
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(*d10v_callback->printf_filtered) (d10v_callback, " a0 a1 f0 f1 c\n");
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}
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(*d10v_callback->printf_filtered) (d10v_callback, "Trap %2d 0x%.4x:", (int)OP[0], (int)PC);
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for (i = 0; i < 16; i++)
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(*d10v_callback->printf_filtered) (d10v_callback, " %.4x", (int) State.regs[i]);
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for (i = 0; i < 2; i++)
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(*d10v_callback->printf_filtered) (d10v_callback, " %.2x%.8lx",
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((int)(State.a[OP[i]] >> 32) & 0xff),
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((unsigned long)State.a[OP[i]]) & 0xffffffff);
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(*d10v_callback->printf_filtered) (d10v_callback, " %d %d %d\n",
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State.F0 != 0, State.F1 != 0, State.C != 0);
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break;
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#endif
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case 0:
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/* Trap 0 is used for simulating low-level I/O */
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@ -2588,6 +2618,7 @@ OP_5F00 ()
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/* Trap 3 writes a character */
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putchar (State.regs[2]);
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break;
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}
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}
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}
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