X-Git-Url: https://notaz.gp2x.de/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=libpcsxcore%2Fr3000a.h;h=bdb8d27cd6df1c3fd9e0206efa29f08015641d2b;hb=905b7c2512eebeedfcb1af03ffb30ad752e94928;hp=be0e336835079c36e2b7212d4d458e6f7b8fe519;hpb=980f7a58b47fefd3424bf8d55f6345128dc3774c;p=pcsx_rearmed.git

diff --git a/libpcsxcore/r3000a.h b/libpcsxcore/r3000a.h
index be0e3368..bdb8d27c 100644
--- a/libpcsxcore/r3000a.h
+++ b/libpcsxcore/r3000a.h
@@ -29,6 +29,19 @@ extern "C" {
 #include "psxcounters.h"
 #include "psxbios.h"
 
+enum R3000Aexception {
+	R3000E_Int = 0,      // Interrupt
+	R3000E_AdEL = 4,     // Address error (on load/I-fetch)
+	R3000E_AdES = 5,     // Address error (on store)
+	R3000E_IBE = 6,      // Bus error (instruction fetch)
+	R3000E_DBE = 7,      // Bus error (data load)
+	R3000E_Syscall = 8,  // syscall instruction
+	R3000E_Bp = 9,       // Breakpoint - a break instruction
+	R3000E_RI = 10,      // reserved instruction
+	R3000E_CpU = 11,     // Co-Processor unusable
+	R3000E_Ov = 12       // arithmetic overflow
+};
+
 enum R3000Anote {
 	R3000ACPU_NOTIFY_CACHE_ISOLATED = 0,
 	R3000ACPU_NOTIFY_CACHE_UNISOLATED = 1,
@@ -36,11 +49,16 @@ enum R3000Anote {
 	R3000ACPU_NOTIFY_AFTER_LOAD,
 };
 
+enum blockExecCaller {
+	EXEC_CALLER_BOOT,
+	EXEC_CALLER_HLE,
+};
+
 typedef struct {
 	int  (*Init)();
 	void (*Reset)();
-	void (*Execute)();		/* executes up to a break */
-	void (*ExecuteBlock)();	/* executes up to a jump */
+	void (*Execute)();
+	void (*ExecuteBlock)(enum blockExecCaller caller); /* executes up to a jump */
 	void (*Clear)(u32 Addr, u32 Size);
 	void (*Notify)(enum R3000Anote note, void *data);
 	void (*ApplyConfig)();
@@ -76,7 +94,7 @@ typedef union {
 	PAIR p[34];
 } psxGPRRegs;
 
-typedef union {
+typedef union psxCP0Regs_ {
 	struct {
 		u32	Index,     Random,    EntryLo0,  EntryLo1,
 						Context,   PageMask,  Wired,     Reserved0,
@@ -176,6 +194,8 @@ typedef struct psxCP2Regs {
 } psxCP2Regs;
 
 typedef struct {
+	// note: some cores like lightrec don't keep their data here,
+	// so use R3000ACPU_NOTIFY_BEFORE_SAVE to sync
 	psxGPRRegs GPR;		/* General Purpose Registers */
 	psxCP0Regs CP0;		/* Coprocessor0 Registers */
 	union {
@@ -185,8 +205,8 @@ typedef struct {
 		};
 		psxCP2Regs CP2;
 	};
-    u32 pc;				/* Program counter */
-    u32 code;			/* The instruction */
+	u32 pc;				/* Program counter */
+	u32 code;			/* The instruction */
 	u32 cycle;
 	u32 interrupt;
 	struct { u32 sCycle, cycle; } intCycle[32];
@@ -224,7 +244,7 @@ void new_dyna_freeze(void *f, int mode);
 int  psxInit();
 void psxReset();
 void psxShutdown();
-void psxException(u32 code, u32 bd);
+void psxException(u32 code, u32 bd, psxCP0Regs *cp0);
 void psxBranchTest();
 void psxExecuteBios();
 void psxJumpTest();