dma: add optional slow linked list walking

[pcsx_rearmed.git] / libpcsxcore / psxmem.h

diff --git a/libpcsxcore/psxmem.h b/libpcsxcore/psxmem.h
index 222e6fb..14ff003 100644 (file)
--- a/libpcsxcore/psxmem.h
+++ b/libpcsxcore/psxmem.h
@@ -26,13 +26,10 @@ extern "C" {
 
 #include "psxcommon.h"
 
-#if defined(__BIGENDIAN__)
+#if __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__
 
-#define _SWAP16(b) ((((unsigned char *)&(b))[0] & 0xff) | (((unsigned char *)&(b))[1] & 0xff) << 8)
-#define _SWAP32(b) ((((unsigned char *)&(b))[0] & 0xff) | ((((unsigned char *)&(b))[1] & 0xff) << 8) | ((((unsigned char *)&(b))[2] & 0xff) << 16) | (((unsigned char *)&(b))[3] << 24))
-
-#define SWAP16(v) ((((v) & 0xff00) >> 8) +(((v) & 0xff) << 8))
-#define SWAP32(v) ((((v) & 0xff000000ul) >> 24) + (((v) & 0xff0000ul) >> 8) + (((v) & 0xff00ul)<<8) +(((v) & 0xfful) << 24))
+#define SWAP16(v) __builtin_bswap16(v)
+#define SWAP32(v) __builtin_bswap32(v)
 #define SWAPu32(v) SWAP32((u32)(v))
 #define SWAPs32(v) SWAP32((s32)(v))
 
@@ -49,6 +46,12 @@ extern "C" {
 
 #endif
 
+#ifdef LIGHTREC
+#define INVALID_PTR ((void *)-1)
+#else
+#define INVALID_PTR NULL
+#endif
+
 extern s8 *psxM;
 #define psxMs8(mem)            psxM[(mem) & 0x1fffff]
 #define psxMs16(mem)   (SWAP16(*(s16 *)&psxM[(mem) & 0x1fffff]))
@@ -112,7 +115,7 @@ extern s8 *psxH;
 extern u8 **psxMemWLUT;
 extern u8 **psxMemRLUT;
 
-#define PSXM(mem)              (psxMemRLUT[(mem) >> 16] == 0 ? NULL : (u8*)(psxMemRLUT[(mem) >> 16] + ((mem) & 0xffff)))
+#define PSXM(mem)              (psxMemRLUT[(mem) >> 16] == INVALID_PTR ? INVALID_PTR : (u8*)(psxMemRLUT[(mem) >> 16] + ((mem) & 0xffff)))
 #define PSXMs8(mem)            (*(s8 *)PSXM(mem))
 #define PSXMs16(mem)   (SWAP16(*(s16 *)PSXM(mem)))
 #define PSXMs32(mem)   (SWAP32(*(s32 *)PSXM(mem)))
@@ -122,10 +125,6 @@ extern u8 **psxMemRLUT;
 
 #define PSXMu32ref(mem)        (*(u32 *)PSXM(mem))
 
-#if !defined(PSXREC) && (defined(__x86_64__) || defined(__i386__) || defined(__ppc__)) && !defined(NOPSXREC)
-#define PSXREC
-#endif
-
 int psxMemInit();
 void psxMemReset();
 void psxMemShutdown();
@@ -138,19 +137,6 @@ void psxMemWrite16(u32 mem, u16 value);
 void psxMemWrite32(u32 mem, u32 value);
 void *psxMemPointer(u32 mem);
 
-extern u32 event_cycles[6];
-extern u32 next_interupt;
-
-#define new_dyna_set_event(e, c) { \
-       u32 c_ = c; \
-       event_cycles[e] = c_; \
-       if (c_ < next_interupt) { \
-               /*printf("%u: next_interupt %d -> %d\n", psxRegs.cycle, \
-                       next_interupt - psxRegs.cycle, c_ - psxRegs.cycle);*/ \
-               next_interupt = c_; \
-       } \
-}
-
 #ifdef __cplusplus
 }
 #endif