From: Paul Cercueil Date: Thu, 30 Jan 2020 13:15:16 +0000 (+0200) Subject: pcsxmem: mmap RAM/BIOS/scratchpad to better locations X-Git-Tag: r24l~682^2~1 X-Git-Url: https://notaz.gp2x.de/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=38c19eff92f3440c9a50f336b2adc9b297925f0c;p=pcsx_rearmed.git pcsxmem: mmap RAM/BIOS/scratchpad to better locations This permits the Lightrec dynarec to emit better code. Signed-off-by: Paul Cercueil --- diff --git a/libpcsxcore/psxmem.c b/libpcsxcore/psxmem.c index a1a641df..caa0d65a 100644 --- a/libpcsxcore/psxmem.c +++ b/libpcsxcore/psxmem.c @@ -42,7 +42,7 @@ void (*psxUnmapHook)(void *ptr, size_t size, enum psxMapTag tag); void *psxMap(unsigned long addr, size_t size, int is_fixed, enum psxMapTag tag) { - int flags = MAP_PRIVATE | MAP_ANONYMOUS; + int flags = MAP_PRIVATE | MAP_ANONYMOUS | MAP_FIXED; int try_ = 0; unsigned long mask; void *req, *ret; @@ -135,7 +135,7 @@ int psxMemInit() { memset(psxMemRLUT, 0, 0x10000 * sizeof(void *)); memset(psxMemWLUT, 0, 0x10000 * sizeof(void *)); - psxM = psxMap(0x80000000, 0x00210000, 1, MAP_TAG_RAM); + psxM = psxMap(0x30000000, 0x00210000, 1, MAP_TAG_RAM); #ifndef RAM_FIXED if (psxM == NULL) psxM = psxMap(0x77000000, 0x00210000, 0, MAP_TAG_RAM); @@ -146,8 +146,8 @@ int psxMemInit() { } psxP = &psxM[0x200000]; - psxH = psxMap(0x1f800000, 0x10000, 0, MAP_TAG_OTHER); - psxR = psxMap(0x1fc00000, 0x80000, 0, MAP_TAG_OTHER); + psxH = psxMap(0x4f800000, 0x10000, 0, MAP_TAG_OTHER); + psxR = psxMap(0x4fc00000, 0x80000, 0, MAP_TAG_OTHER); if (psxMemRLUT == NULL || psxMemWLUT == NULL || psxR == NULL || psxP == NULL || psxH == NULL) {