psxinterpreter: log reserved insn once

diff --git a/libpcsxcore/psxinterpreter.c b/libpcsxcore/psxinterpreter.c
index e3c5baf..2ffab69 100644 (file)
--- a/libpcsxcore/psxinterpreter.c
+++ b/libpcsxcore/psxinterpreter.c
@@ -128,6 +128,19 @@ static void intExceptionInsn(psxRegisters *regs, u32 cause)
        intException(regs, regs->pc - 4, cause);
 }
 
+static noinline void intExceptionReservedInsn(psxRegisters *regs)
+{
+#ifdef DO_EXCEPTION_RESERVEDI
+       static u32 ppc_ = ~0u;
+       if (regs->pc != ppc_) {
+               SysPrintf("reserved instruction %08x @%08x ra=%08x\n",
+                       regs->code, regs->pc - 4, regs->GPR.n.ra);
+               ppc_ = regs->pc;
+       }
+       intExceptionInsn(regs, R3000E_RI << 2);
+#endif
+}
+
 // 29  Enable for 80000000-ffffffff
 // 30  Enable for 00000000-7fffffff
 // 31  Enable exception
@@ -923,10 +936,8 @@ OP(psxSWRe) { if (checkST(regs_, _oB_     , 0)) doSWR(regs_, _Rt_, _oB_); }
 *********************************************************/
 OP(psxMFC0) {
        u32 r = _Rd_;
-#ifdef DO_EXCEPTION_RESERVEDI
        if (unlikely(0x00000417u & (1u << r)))
-               intExceptionInsn(regs_, R3000E_RI << 2);
-#endif
+               intExceptionReservedInsn(regs_);
        doLoad(regs_, _Rt_, regs_->CP0.r[r]);
 }
 
@@ -974,9 +985,7 @@ static inline void psxNULLne(psxRegisters *regs) {
 
 OP(psxNULL) {
        psxNULLne(regs_);
-#ifdef DO_EXCEPTION_RESERVEDI
-       intExceptionInsn(regs_, R3000E_RI << 2);
-#endif
+       intExceptionReservedInsn(regs_);
 }
 
 void gteNULL(struct psxCP2Regs *regs) {