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https://opencores.org/ocsvn/or1k/or1k/trunk
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| Rev 192 |
Rev 242 |
| Line 98... |
Line 98... |
{
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{
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printf("SIMON: EPCR = ext_int\n");
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printf("SIMON: EPCR = ext_int\n");
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cont_run = 0;
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cont_run = 0;
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}
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}
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break;
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break;
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}
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case SPR_PC:
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/* CZ 21/06/01 ... the debugger wants to do this! */
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if(GlobalMode)
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{
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{
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extern unsigned long pc;
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extern unsigned long pc;
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extern unsigned long pcnext;
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extern unsigned long pcnext;
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extern int delay_insn;
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extern int delay_insn;
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extern unsigned long pcdelay;
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extern unsigned long pcdelay;
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if(regno == SPR_PC)
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{
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sprs[SPR_PC] = value;
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sprs[SPR_PC] = value;
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/* The debugger has redirected us to a new address */
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/* The debugger has redirected us to a new address */
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/* This is usually done to reissue an instruction
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/* This is usually done to reissue an instruction
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which just caused a breakpoint exception. */
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which just caused a breakpoint exception. */
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pcnext = value;
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pcnext = value;
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if(!value)
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if(!value)
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{
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printf("WARNING: PC just set to 0!\n");
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printf("WARNING: Debugger just set us to 0!\n");
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}
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/* Clear any pending delay slot jumps also */
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/* Clear any pending delay slot jumps also */
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delay_insn = 0;
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delay_insn = 0;
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pcdelay = value+4;
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pcdelay = value+4;
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return;
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}
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}
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}
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break;
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/* printf("mtspr(%x, %x)\n", regno, value);
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default:
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*/ if (regno < MAX_SPRS)
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if (regno < MAX_SPRS)
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sprs[regno] = value;
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sprs[regno] = value;
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else {
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else {
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printf("\nABORT: write out of SPR range %08X\n", regno);
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printf("\nABORT: write out of SPR range %08X\n", regno);
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cont_run = 0;
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cont_run = 0;
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}
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}
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}
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}
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}
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/* Get a specific SPR. */
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/* Get a specific SPR. */
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inline sprword
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inline sprword
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mfspr_(const int regno)
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mfspr_(const int regno)
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{
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{
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