X-Git-Url: https://notaz.gp2x.de/cgi-bin/gitweb.cgi?p=pcsx_rearmed.git;a=blobdiff_plain;f=libpcsxcore%2Fpsxmem.c;h=4da0cf4c0190492cc5970a1fabc3b445a94961d1;hp=9e4426755f9cca01dd92e788e70f9c279e9b1c0d;hb=4b5b6cf713480df38c7e79d669cb9e72d70b3ba0;hpb=b0dd9956467322aca812db75b5e0f11f23c1910b diff --git a/libpcsxcore/psxmem.c b/libpcsxcore/psxmem.c index 9e442675..4da0cf4c 100644 --- a/libpcsxcore/psxmem.c +++ b/libpcsxcore/psxmem.c @@ -52,8 +52,9 @@ retry: goto out; } - if (is_fixed) - flags |= MAP_FIXED; + /* avoid MAP_FIXED, it overrides existing mappings.. */ + /* if (is_fixed) + flags |= MAP_FIXED; */ req = (void *)addr; ret = mmap(req, size, PROT_READ | PROT_WRITE, flags, -1, 0); @@ -65,6 +66,11 @@ out: SysMessage("psxMap: warning: wanted to map @%08x, got %p\n", addr, ret); + if (is_fixed) { + psxUnmap(ret, size, tag); + return NULL; + } + if (ret != NULL && ((addr ^ (long)ret) & 0x00ffffff) && !tried_to_align) { @@ -129,8 +135,13 @@ int psxMemInit() { psxM = psxMap(0x80000000, 0x00210000, 1, MAP_TAG_RAM); #ifndef RAM_FIXED +#ifdef __BLACKBERRY_QNX__ + if (psxM == NULL) + psxM = psxMap(0x77000000, 0x00210000, 0, MAP_TAG_RAM); +#else if (psxM == NULL) psxM = psxMap(0x78000000, 0x00210000, 0, MAP_TAG_RAM); +#endif #endif if (psxM == NULL) { SysMessage(_("mapping main RAM failed")); @@ -198,7 +209,7 @@ void psxMemReset() { void psxMemShutdown() { psxUnmap(psxM, 0x00210000, MAP_TAG_RAM); - psxUnmap(psxH, 0x1f800000, MAP_TAG_OTHER); + psxUnmap(psxH, 0x10000, MAP_TAG_OTHER); psxUnmap(psxR, 0x80000, MAP_TAG_OTHER); free(psxMemRLUT); @@ -212,8 +223,8 @@ u8 psxMemRead8(u32 mem) { u32 t; t = mem >> 16; - if (t == 0x1f80) { - if (mem < 0x1f801000) + if (t == 0x1f80 || t == 0x9f80 || t == 0xbf80) { + if ((mem & 0xffff) < 0x400) return psxHu8(mem); else return psxHwRead8(mem); @@ -237,8 +248,8 @@ u16 psxMemRead16(u32 mem) { u32 t; t = mem >> 16; - if (t == 0x1f80) { - if (mem < 0x1f801000) + if (t == 0x1f80 || t == 0x9f80 || t == 0xbf80) { + if ((mem & 0xffff) < 0x400) return psxHu16(mem); else return psxHwRead16(mem); @@ -262,8 +273,8 @@ u32 psxMemRead32(u32 mem) { u32 t; t = mem >> 16; - if (t == 0x1f80) { - if (mem < 0x1f801000) + if (t == 0x1f80 || t == 0x9f80 || t == 0xbf80) { + if ((mem & 0xffff) < 0x400) return psxHu32(mem); else return psxHwRead32(mem); @@ -287,8 +298,8 @@ void psxMemWrite8(u32 mem, u8 value) { u32 t; t = mem >> 16; - if (t == 0x1f80) { - if (mem < 0x1f801000) + if (t == 0x1f80 || t == 0x9f80 || t == 0xbf80) { + if ((mem & 0xffff) < 0x400) psxHu8(mem) = value; else psxHwWrite8(mem, value); @@ -314,8 +325,8 @@ void psxMemWrite16(u32 mem, u16 value) { u32 t; t = mem >> 16; - if (t == 0x1f80) { - if (mem < 0x1f801000) + if (t == 0x1f80 || t == 0x9f80 || t == 0xbf80) { + if ((mem & 0xffff) < 0x400) psxHu16ref(mem) = SWAPu16(value); else psxHwWrite16(mem, value); @@ -342,8 +353,8 @@ void psxMemWrite32(u32 mem, u32 value) { // if ((mem&0x1fffff) == 0x71E18 || value == 0x48088800) SysPrintf("t2fix!!\n"); t = mem >> 16; - if (t == 0x1f80) { - if (mem < 0x1f801000) + if (t == 0x1f80 || t == 0x9f80 || t == 0xbf80) { + if ((mem & 0xffff) < 0x400) psxHu32ref(mem) = SWAPu32(value); else psxHwWrite32(mem, value); @@ -400,8 +411,8 @@ void *psxMemPointer(u32 mem) { u32 t; t = mem >> 16; - if (t == 0x1f80) { - if (mem < 0x1f801000) + if (t == 0x1f80 || t == 0x9f80 || t == 0xbf80) { + if ((mem & 0xffff) < 0x400) return (void *)&psxH[mem]; else return NULL;