mirror of https://github.com/GnoConsortium/gno.git
89 lines
1.8 KiB
C
89 lines
1.8 KiB
C
/* $Id: diag.c,v 1.2 1998/02/22 05:05:42 taubert Exp $ */
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/* kernel diagnostics and error routines */
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#pragma optimize 79
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#include "proc.h"
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#include "sys.h"
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#include "/lang/orca/libraries/orcacdefs/stdio.h"
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struct intState {
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word irq_A;
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word irq_X;
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word irq_Y;
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word irq_S; /* +06 */
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word irq_D;
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byte irq_P;
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byte irq_B;
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byte irq_e;
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byte irq_K; /* +13 */
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word irq_PC; /* +14 */
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word dummy[2]; /* +16 */
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word lastTool; /* +20 */
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};
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extern kernelStructPtr kp;
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#pragma databank 1
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void traceback(word stack)
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{
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word i, j;
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for (j = stack+1; (j<stack+256) && (j<0xC000);) {
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kern_printf("[%04X]:", j);
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for (i=j&0x000f; i; i--) {
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kern_printf(" --");
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}
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for (i=(j&0xfff0)+0x10; j < i; j++) {
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kern_printf(" %02X", *((byte *)j));
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}
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kern_printf("\n\r");
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}
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}
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void PRINTBRK(word stack, struct intState *p)
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{
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int pid;
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struct pentry *pr;
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pr = &(kp->procTable[Kgetpid()]);
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asm {
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tsc
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sta >0x600
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}
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printf("BRK: pid: %d St: %04X\n",pr->flpid,stack);
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/* traceback(stack); */
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printf("A:%04X X:%04X Y:%04X S:%04X D:%04X B:%02X P:%02X PC:%02X%04X\n"
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"e:%02X Last Tool: %04X\n",
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p->irq_A, p->irq_X, p->irq_Y, p->irq_S, p->irq_D, p->irq_B, p->irq_P,
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p->irq_K, p->irq_PC,p->irq_e,p->lastTool);
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printf("proc: PC:%02X%04X P:%04X\n",pr->irq_K, pr->irq_PC, pr->irq_P);
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}
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void PANIC(char *str)
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{
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word stack;
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disableps(); /* shut down context switching */
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*((byte *) 0xE0C022l) = 0x1F;
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asm {
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tsc
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sta stack
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lda >0xE0C029
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and #0xFF7F
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sta >0xE0C029
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}
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/*
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* NOTE: When PANIC() is modified, this constant added to stack should
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* be tuned to point to the caller's return address.
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*/
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traceback(stack + 0xA);
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kern_printf("SYSTEM PANIC: %s\n\r",str);
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noway:
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goto noway;
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}
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#pragma databank 0
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