| Line 40... |
Line 40... |
static inline int getsprbit(const int regno, const int bitnum);
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static inline int getsprbit(const int regno, const int bitnum);
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void sprs_status();
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void sprs_status();
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#include "sim-config.h"
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#include "sim-config.h"
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#ifdef OLD_MFSPR
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/* Ugly, but fast */
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/* Ugly, but fast */
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/* Get a specific SPR. */
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/* Get a specific SPR. */
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static inline sprword
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static 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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extern sprword sprs[MAX_SPRS];
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extern sprword sprs[MAX_SPRS];
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sprword val;
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switch (regno) {
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switch (regno) {
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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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| Line 69... |
Line 67... |
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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#else
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static inline sprword
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mfspr_(const int regno)
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{
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extern unsigned long reg[32];
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extern unsigned long pc;
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extern unsigned long pcprev;
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extern sprword sprs[MAX_SPRS];
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sprword val;
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switch (regno) {
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case SPR_NPC:
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val = pc;
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break;
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case SPR_PPC:
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val = pcprev;
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break;
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default:
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/* Links to GPRS */
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if(regno >= 0x0400 && regno < 0x0420)
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val = reg[regno - 0x0400];
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else if (regno < MAX_SPRS)
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val = sprs[regno];
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}
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if (regno < MAX_SPRS) {
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if (runtime.sim.fspr_log) {
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fprintf(runtime.sim.fspr_log, "Read from SPR : [%08lX] -> [%08lX]\n", regno, val);
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}
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return val;
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}
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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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}
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return 0;
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}
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#endif
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/* Set specific SPR bit(s) identified by mask. */
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/* Set specific SPR bit(s) identified by mask. */
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static inline void
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static inline void
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setsprbits(const int regno, const unsigned long mask, const unsigned long value)
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setsprbits(const int regno, const unsigned long mask, const unsigned long value)
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{
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{
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sprword regvalue = mfspr(regno);
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sprword regvalue = mfspr(regno);
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