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| Rev 515 |
Rev 517 |
| Line 119... |
Line 119... |
sprs[regno] = value;
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sprs[regno] = value;
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else if (config.sim.verbose)
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else if (config.sim.verbose)
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printf("WARNING: write out of SPR range %08X\n", regno);
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printf("WARNING: write out of SPR range %08X\n", regno);
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}
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}
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#if 0
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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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extern unsigned long reg[32];
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extern unsigned long reg[32];
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extern unsigned long pc;
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extern unsigned long pc;
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extern unsigned long pcprev;
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extern unsigned long pcprev;
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switch (regno) {
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switch (regno) {
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case SPR_SR:
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/* Exceptions are always enabled */
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return sprs[regno] | SPR_SR_EXR;
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case SPR_NPC:
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case SPR_NPC:
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return pc;
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return pc;
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case SPR_PPC:
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case SPR_PPC:
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return pcprev;
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return pcprev;
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case SPR_SR:
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/* Exceptions are always enabled */
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return sprs[regno] | SPR_SR_EXR;
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default:
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default:
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/* Links to GPRS */
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/* Links to GPRS */
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if(regno >= 0x0400 && regno < 0x0420)
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if(regno >= 0x0400 && regno < 0x0420)
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return reg[regno - 0x0400];
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return reg[regno - 0x0400];
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}
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else if (regno < MAX_SPRS)
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if (regno < MAX_SPRS)
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return sprs[regno];
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return sprs[regno];
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}
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if (config.sim.verbose)
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if (config.sim.verbose)
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printf ("WARNING: read out of SPR range %08X\n", regno);
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printf ("WARNING: read out of SPR range %08X\n", regno);
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return 0;
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return 0;
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}
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}
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#endif
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/* Set a specific bit from SPR. LSB in a word is numbered zero. */
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/* Set a specific bit from SPR. LSB in a word is numbered zero. */
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inline void
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inline void
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setsprbit(const int regno, const int bitnum, const unsigned long bitvalue)
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setsprbit(const int regno, const int bitnum, const unsigned long bitvalue)
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{
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{
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