[pcsx_rearmed.git] / libpcsxcore / psxmem.c

/***************************************************************************
 *   Copyright (C) 2007 Ryan Schultz, PCSX-df Team, PCSX team              *
 *                                                                         *
 *   This program is free software; you can redistribute it and/or modify  *
 *   it under the terms of the GNU General Public License as published by  *
 *   the Free Software Foundation; either version 2 of the License, or     *
 *   (at your option) any later version.                                   *
 *                                                                         *
 *   This program is distributed in the hope that it will be useful,       *
 *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
 *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
 *   GNU General Public License for more details.                          *
 *                                                                         *
 *   You should have received a copy of the GNU General Public License     *
 *   along with this program; if not, write to the                         *
 *   Free Software Foundation, Inc.,                                       *
 *   51 Franklin Street, Fifth Floor, Boston, MA 02111-1307 USA.           *
 ***************************************************************************/

/*
* PSX memory functions.
*/

// TODO: Implement caches & cycle penalty.

#include <compat/fopen_utf8.h>

#include "psxmem.h"
#include "psxmem_map.h"
#include "r3000a.h"
#include "psxhw.h"
#include "debug.h"

#include "memmap.h"

#ifndef MAP_ANONYMOUS
#define MAP_ANONYMOUS MAP_ANON
#endif

void *(*psxMapHook)(unsigned long addr, size_t size, int is_fixed,
		enum psxMapTag tag);
void (*psxUnmapHook)(void *ptr, size_t size, enum psxMapTag tag);

void *psxMap(unsigned long addr, size_t size, int is_fixed,
		enum psxMapTag tag)
{
#ifdef LIGHTREC
#ifdef MAP_FIXED_NOREPLACE
	int flags = MAP_PRIVATE | MAP_ANONYMOUS | MAP_FIXED_NOREPLACE;
#else
	int flags = MAP_PRIVATE | MAP_ANONYMOUS | MAP_FIXED;
#endif
#else
	int flags = MAP_PRIVATE | MAP_ANONYMOUS;
#endif

	int try_ = 0;
	unsigned long mask;
	void *req, *ret;

retry:
	if (psxMapHook != NULL) {
		ret = psxMapHook(addr, size, 0, tag);
		if (ret == NULL)
			return NULL;
	}
	else {
		/* 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);
		if (ret == MAP_FAILED)
			return NULL;
	}

	if (addr != 0 && ret != (void *)addr) {
		SysMessage("psxMap: warning: wanted to map @%08x, got %p\n",
			addr, ret);

		if (is_fixed) {
			psxUnmap(ret, size, tag);
			return NULL;
		}

		if (((addr ^ (unsigned long)ret) & ~0xff000000l) && try_ < 2)
		{
			psxUnmap(ret, size, tag);

			// try to use similarly aligned memory instead
			// (recompiler needs this)
			mask = try_ ? 0xffff : 0xffffff;
			addr = ((unsigned long)ret + mask) & ~mask;
			try_++;
			goto retry;
		}
	}

	return ret;
}

void psxUnmap(void *ptr, size_t size, enum psxMapTag tag)
{
	if (psxUnmapHook != NULL) {
		psxUnmapHook(ptr, size, tag);
		return;
	}

	if (ptr)
		munmap(ptr, size);
}

s8 *psxM = NULL; // Kernel & User Memory (2 Meg)
s8 *psxP = NULL; // Parallel Port (64K)
s8 *psxR = NULL; // BIOS ROM (512K)
s8 *psxH = NULL; // Scratch Pad (1K) & Hardware Registers (8K)

u8 **psxMemWLUT = NULL;
u8 **psxMemRLUT = NULL;

/*  Playstation Memory Map (from Playstation doc by Joshua Walker)
0x0000_0000-0x0000_ffff		Kernel (64K)
0x0001_0000-0x001f_ffff		User Memory (1.9 Meg)

0x1f00_0000-0x1f00_ffff		Parallel Port (64K)

0x1f80_0000-0x1f80_03ff		Scratch Pad (1024 bytes)

0x1f80_1000-0x1f80_2fff		Hardware Registers (8K)

0x1fc0_0000-0x1fc7_ffff		BIOS (512K)

0x8000_0000-0x801f_ffff		Kernel and User Memory Mirror (2 Meg) Cached
0x9fc0_0000-0x9fc7_ffff		BIOS Mirror (512K) Cached

0xa000_0000-0xa01f_ffff		Kernel and User Memory Mirror (2 Meg) Uncached
0xbfc0_0000-0xbfc7_ffff		BIOS Mirror (512K) Uncached
*/

int psxMemInit() {
	int i;

	psxMemRLUT = (u8 **)malloc(0x10000 * sizeof(void *));
	psxMemWLUT = (u8 **)malloc(0x10000 * sizeof(void *));
	memset(psxMemRLUT, 0, 0x10000 * sizeof(void *));
	memset(psxMemWLUT, 0, 0x10000 * sizeof(void *));

#ifdef LIGHTREC
	psxM = psxMap(0x30000000, 0x00210000, 1, MAP_TAG_RAM);
	if (psxM == NULL)
		psxM = psxMap(0x70000000, 0x00210000, 1, MAP_TAG_RAM);

#else
	psxM = psxMap(0x80000000, 0x00210000, 1, MAP_TAG_RAM);
#endif
#ifndef RAM_FIXED
	if (psxM == NULL)
		psxM = psxMap(0x77000000, 0x00210000, 0, MAP_TAG_RAM);
#endif
	if (psxM == NULL) {
		SysMessage(_("mapping main RAM failed"));
		return -1;
	}

	psxP = &psxM[0x200000];
#ifdef LIGHTREC
	psxH = psxMap(0x4f800000, 0x10000, 0, MAP_TAG_OTHER);
	if (psxH == NULL)
		psxH = psxMap(0x8f800000, 0x10000, 0, MAP_TAG_OTHER);

	psxR = psxMap(0x4fc00000, 0x80000, 0, MAP_TAG_OTHER);
	if (psxR == NULL)
		psxR = psxMap(0x8fc00000, 0x80000, 0, MAP_TAG_OTHER);
#else
	psxH = psxMap(0x1f800000, 0x10000, 0, MAP_TAG_OTHER);
	psxR = psxMap(0x1fc00000, 0x80000, 0, MAP_TAG_OTHER);
#endif

	if (psxMemRLUT == NULL || psxMemWLUT == NULL || 
	    psxR == NULL || psxP == NULL || psxH == NULL) {
		SysMessage(_("Error allocating memory!"));
		psxMemShutdown();
		return -1;
	}

// MemR
	for (i = 0; i < 0x80; i++) psxMemRLUT[i + 0x0000] = (u8 *)&psxM[(i & 0x1f) << 16];

	memcpy(psxMemRLUT + 0x8000, psxMemRLUT, 0x80 * sizeof(void *));
	memcpy(psxMemRLUT + 0xa000, psxMemRLUT, 0x80 * sizeof(void *));

	psxMemRLUT[0x1f00] = (u8 *)psxP;
	psxMemRLUT[0x1f80] = (u8 *)psxH;

	for (i = 0; i < 0x08; i++) psxMemRLUT[i + 0x1fc0] = (u8 *)&psxR[i << 16];

	memcpy(psxMemRLUT + 0x9fc0, psxMemRLUT + 0x1fc0, 0x08 * sizeof(void *));
	memcpy(psxMemRLUT + 0xbfc0, psxMemRLUT + 0x1fc0, 0x08 * sizeof(void *));

// MemW
	for (i = 0; i < 0x80; i++) psxMemWLUT[i + 0x0000] = (u8 *)&psxM[(i & 0x1f) << 16];

	memcpy(psxMemWLUT + 0x8000, psxMemWLUT, 0x80 * sizeof(void *));
	memcpy(psxMemWLUT + 0xa000, psxMemWLUT, 0x80 * sizeof(void *));

	psxMemWLUT[0x1f00] = (u8 *)psxP;
	psxMemWLUT[0x1f80] = (u8 *)psxH;

	return 0;
}

void psxMemReset() {
	FILE *f = NULL;
	char bios[1024];

	memset(psxM, 0, 0x00200000);
	memset(psxP, 0xff, 0x00010000);

	if (strcmp(Config.Bios, "HLE") != 0) {
		sprintf(bios, "%s/%s", Config.BiosDir, Config.Bios);
		f = fopen_utf8(bios, "rb");

		if (f == NULL) {
			SysMessage(_("Could not open BIOS:\"%s\". Enabling HLE Bios!\n"), bios);
			memset(psxR, 0, 0x80000);
			Config.HLE = TRUE;
		} else {
			fread(psxR, 1, 0x80000, f);
			fclose(f);
			Config.HLE = FALSE;
		}
	} else Config.HLE = TRUE;
}

void psxMemShutdown() {
	psxUnmap(psxM, 0x00210000, MAP_TAG_RAM); psxM = NULL;
	psxUnmap(psxH, 0x10000, MAP_TAG_OTHER); psxH = NULL;
	psxUnmap(psxR, 0x80000, MAP_TAG_OTHER); psxR = NULL;

	free(psxMemRLUT); psxMemRLUT = NULL;
	free(psxMemWLUT); psxMemWLUT = NULL;
}

static int writeok = 1;

u8 psxMemRead8(u32 mem) {
	char *p;
	u32 t;

	t = mem >> 16;
	if (t == 0x1f80 || t == 0x9f80 || t == 0xbf80) {
		if ((mem & 0xffff) < 0x400)
			return psxHu8(mem);
		else
			return psxHwRead8(mem);
	} else {
		p = (char *)(psxMemRLUT[t]);
		if (p != NULL) {
			if (Config.Debug)
				DebugCheckBP((mem & 0xffffff) | 0x80000000, R1);
			return *(u8 *)(p + (mem & 0xffff));
		} else {
#ifdef PSXMEM_LOG
			PSXMEM_LOG("err lb %8.8lx\n", mem);
#endif
			return 0;
		}
	}
}

u16 psxMemRead16(u32 mem) {
	char *p;
	u32 t;

	t = mem >> 16;
	if (t == 0x1f80 || t == 0x9f80 || t == 0xbf80) {
		if ((mem & 0xffff) < 0x400)
			return psxHu16(mem);
		else
			return psxHwRead16(mem);
	} else {
		p = (char *)(psxMemRLUT[t]);
		if (p != NULL) {
			if (Config.Debug)
				DebugCheckBP((mem & 0xffffff) | 0x80000000, R2);
			return SWAPu16(*(u16 *)(p + (mem & 0xffff)));
		} else {
#ifdef PSXMEM_LOG
			PSXMEM_LOG("err lh %8.8lx\n", mem);
#endif
			return 0;
		}
	}
}

u32 psxMemRead32(u32 mem) {
	char *p;
	u32 t;

	t = mem >> 16;
	if (t == 0x1f80 || t == 0x9f80 || t == 0xbf80) {
		if ((mem & 0xffff) < 0x400)
			return psxHu32(mem);
		else
			return psxHwRead32(mem);
	} else {
		p = (char *)(psxMemRLUT[t]);
		if (p != NULL) {
			if (Config.Debug)
				DebugCheckBP((mem & 0xffffff) | 0x80000000, R4);
			return SWAPu32(*(u32 *)(p + (mem & 0xffff)));
		} else {
#ifdef PSXMEM_LOG
			if (writeok) { PSXMEM_LOG("err lw %8.8lx\n", mem); }
#endif
			return 0;
		}
	}
}

void psxMemWrite8(u32 mem, u8 value) {
	char *p;
	u32 t;

	t = mem >> 16;
	if (t == 0x1f80 || t == 0x9f80 || t == 0xbf80) {
		if ((mem & 0xffff) < 0x400)
			psxHu8(mem) = value;
		else
			psxHwWrite8(mem, value);
	} else {
		p = (char *)(psxMemWLUT[t]);
		if (p != NULL) {
			if (Config.Debug)
				DebugCheckBP((mem & 0xffffff) | 0x80000000, W1);
			*(u8 *)(p + (mem & 0xffff)) = value;
#ifdef PSXREC
			psxCpu->Clear((mem & (~3)), 1);
#endif
		} else {
#ifdef PSXMEM_LOG
			PSXMEM_LOG("err sb %8.8lx\n", mem);
#endif
		}
	}
}

void psxMemWrite16(u32 mem, u16 value) {
	char *p;
	u32 t;

	t = mem >> 16;
	if (t == 0x1f80 || t == 0x9f80 || t == 0xbf80) {
		if ((mem & 0xffff) < 0x400)
			psxHu16ref(mem) = SWAPu16(value);
		else
			psxHwWrite16(mem, value);
	} else {
		p = (char *)(psxMemWLUT[t]);
		if (p != NULL) {
			if (Config.Debug)
				DebugCheckBP((mem & 0xffffff) | 0x80000000, W2);
			*(u16 *)(p + (mem & 0xffff)) = SWAPu16(value);
#ifdef PSXREC
			psxCpu->Clear((mem & (~3)), 1);
#endif
		} else {
#ifdef PSXMEM_LOG
			PSXMEM_LOG("err sh %8.8lx\n", mem);
#endif
		}
	}
}

void psxMemWrite32(u32 mem, u32 value) {
	char *p;
	u32 t;

//	if ((mem&0x1fffff) == 0x71E18 || value == 0x48088800) SysPrintf("t2fix!!\n");
	t = mem >> 16;
	if (t == 0x1f80 || t == 0x9f80 || t == 0xbf80) {
		if ((mem & 0xffff) < 0x400)
			psxHu32ref(mem) = SWAPu32(value);
		else
			psxHwWrite32(mem, value);
	} else {
		p = (char *)(psxMemWLUT[t]);
		if (p != NULL) {
			if (Config.Debug)
				DebugCheckBP((mem & 0xffffff) | 0x80000000, W4);
			*(u32 *)(p + (mem & 0xffff)) = SWAPu32(value);
#ifdef PSXREC
			psxCpu->Clear(mem, 1);
#endif
		} else {
			if (mem != 0xfffe0130) {
#ifdef PSXREC
				if (!writeok)
					psxCpu->Clear(mem, 1);
#endif

#ifdef PSXMEM_LOG
				if (writeok) { PSXMEM_LOG("err sw %8.8lx\n", mem); }
#endif
			} else {
				int i;

				switch (value) {
					case 0x800: case 0x804:
						if (writeok == 0) break;
						writeok = 0;
						memset(psxMemWLUT + 0x0000, 0, 0x80 * sizeof(void *));
						memset(psxMemWLUT + 0x8000, 0, 0x80 * sizeof(void *));
						memset(psxMemWLUT + 0xa000, 0, 0x80 * sizeof(void *));
						break;
					case 0x00: case 0x1e988:
						if (writeok == 1) break;
						writeok = 1;
						for (i = 0; i < 0x80; i++) psxMemWLUT[i + 0x0000] = (void *)&psxM[(i & 0x1f) << 16];
						memcpy(psxMemWLUT + 0x8000, psxMemWLUT, 0x80 * sizeof(void *));
						memcpy(psxMemWLUT + 0xa000, psxMemWLUT, 0x80 * sizeof(void *));
						break;
					default:
#ifdef PSXMEM_LOG
						PSXMEM_LOG("unk %8.8lx = %x\n", mem, value);
#endif
						break;
				}
			}
		}
	}
}

void *psxMemPointer(u32 mem) {
	char *p;
	u32 t;

	t = mem >> 16;
	if (t == 0x1f80 || t == 0x9f80 || t == 0xbf80) {
		if ((mem & 0xffff) < 0x400)
			return (void *)&psxH[mem];
		else
			return NULL;
	} else {
		p = (char *)(psxMemWLUT[t]);
		if (p != NULL) {
			return (void *)(p + (mem & 0xffff));
		}
		return NULL;
	}
}
Commit	Line	Data
ef79bbde P	1	/***************************************************************************
	2	* Copyright (C) 2007 Ryan Schultz, PCSX-df Team, PCSX team *
	3	* *
	4	* This program is free software; you can redistribute it and/or modify *
	5	* it under the terms of the GNU General Public License as published by *
	6	* the Free Software Foundation; either version 2 of the License, or *
	7	* (at your option) any later version. *
	8	* *
	9	* This program is distributed in the hope that it will be useful, *
	10	* but WITHOUT ANY WARRANTY; without even the implied warranty of *
	11	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
	12	* GNU General Public License for more details. *
	13	* *
	14	* You should have received a copy of the GNU General Public License *
	15	* along with this program; if not, write to the *
	16	* Free Software Foundation, Inc., *
	17	* 51 Franklin Street, Fifth Floor, Boston, MA 02111-1307 USA. *
	18	***************************************************************************/
	19
	20	/*
	21	* PSX memory functions.
	22	*/
	23
	24	// TODO: Implement caches & cycle penalty.
	25
270c6dd1	26	#include <compat/fopen_utf8.h>
270c6dd1	27
ef79bbde	28	#include "psxmem.h"
87e5b45f	29	#include "psxmem_map.h"
ef79bbde P	30	#include "r3000a.h"
ef79bbde P	31	#include "psxhw.h"
fc8145b7	32	#include "debug.h"
ce0e7ac9	33
ce0e7ac9	34	#include "memmap.h"
ef79bbde P	35
	36	#ifndef MAP_ANONYMOUS
	37	#define MAP_ANONYMOUS MAP_ANON
	38	#endif
	39
87e5b45f	40	void (psxMapHook)(unsigned long addr, size_t size, int is_fixed,
	41	enum psxMapTag tag);
	42	void (psxUnmapHook)(void ptr, size_t size, enum psxMapTag tag);
	43
	44	void *psxMap(unsigned long addr, size_t size, int is_fixed,
	45	enum psxMapTag tag)
	46	{
a62012a7	47	#ifdef LIGHTREC
f12a6e13 ZC	48	#ifdef MAP_FIXED_NOREPLACE
	49	int flags = MAP_PRIVATE \| MAP_ANONYMOUS \| MAP_FIXED_NOREPLACE;
	50	#else
38c19eff	51	int flags = MAP_PRIVATE \| MAP_ANONYMOUS \| MAP_FIXED;
f12a6e13	52	#endif
a62012a7 T	53	#else
	54	int flags = MAP_PRIVATE \| MAP_ANONYMOUS;
	55	#endif
	56
5644b26c	57	int try_ = 0;
b0dd9956	58	unsigned long mask;
87e5b45f	59	void req, ret;
87e5b45f	60
b0dd9956	61	retry:
b0dd9956	62	if (psxMapHook != NULL) {
85f23982	63	ret = psxMapHook(addr, size, 0, tag);
	64	if (ret == NULL)
	65	return NULL;
	66	}
	67	else {
	68	/* avoid MAP_FIXED, it overrides existing mappings.. */
	69	/* if (is_fixed)
	70	flags \|= MAP_FIXED; */
	71
	72	req = (void *)addr;
	73	ret = mmap(req, size, PROT_READ \| PROT_WRITE, flags, -1, 0);
	74	if (ret == MAP_FAILED)
	75	return NULL;
b0dd9956	76	}
87e5b45f	77
b0dd9956	78	if (addr != 0 && ret != (void *)addr) {
	79	SysMessage("psxMap: warning: wanted to map @%08x, got %p\n",
	80	addr, ret);
	81
0069615f	82	if (is_fixed) {
	83	psxUnmap(ret, size, tag);
	84	return NULL;
	85	}
	86
5644b26c	87	if (((addr ^ (unsigned long)ret) & ~0xff000000l) && try_ < 2)
b0dd9956	88	{
	89	psxUnmap(ret, size, tag);
	90
	91	// try to use similarly aligned memory instead
	92	// (recompiler needs this)
5644b26c	93	mask = try_ ? 0xffff : 0xffffff;
	94	addr = ((unsigned long)ret + mask) & ~mask;
	95	try_++;
b0dd9956	96	goto retry;
	97	}
	98	}
87e5b45f	99
	100	return ret;
	101	}
	102
	103	void psxUnmap(void *ptr, size_t size, enum psxMapTag tag)
	104	{
	105	if (psxUnmapHook != NULL) {
	106	psxUnmapHook(ptr, size, tag);
	107	return;
	108	}
	109
88901dd2	110	if (ptr)
88901dd2	111	munmap(ptr, size);
87e5b45f	112	}
87e5b45f	113
ef79bbde P	114	s8 *psxM = NULL; // Kernel & User Memory (2 Meg)
	115	s8 *psxP = NULL; // Parallel Port (64K)
	116	s8 *psxR = NULL; // BIOS ROM (512K)
	117	s8 *psxH = NULL; // Scratch Pad (1K) & Hardware Registers (8K)
	118
	119	u8 **psxMemWLUT = NULL;
	120	u8 **psxMemRLUT = NULL;
	121
	122	/* Playstation Memory Map (from Playstation doc by Joshua Walker)
	123	0x0000_0000-0x0000_ffff Kernel (64K)
	124	0x0001_0000-0x001f_ffff User Memory (1.9 Meg)
	125
	126	0x1f00_0000-0x1f00_ffff Parallel Port (64K)
	127
	128	0x1f80_0000-0x1f80_03ff Scratch Pad (1024 bytes)
	129
	130	0x1f80_1000-0x1f80_2fff Hardware Registers (8K)
	131
	132	0x1fc0_0000-0x1fc7_ffff BIOS (512K)
	133
	134	0x8000_0000-0x801f_ffff Kernel and User Memory Mirror (2 Meg) Cached
	135	0x9fc0_0000-0x9fc7_ffff BIOS Mirror (512K) Cached
	136
	137	0xa000_0000-0xa01f_ffff Kernel and User Memory Mirror (2 Meg) Uncached
	138	0xbfc0_0000-0xbfc7_ffff BIOS Mirror (512K) Uncached
	139	*/
	140
	141	int psxMemInit() {
	142	int i;
	143
	144	psxMemRLUT = (u8 *)malloc(0x10000 sizeof(void *));
	145	psxMemWLUT = (u8 *)malloc(0x10000 sizeof(void *));
	146	memset(psxMemRLUT, 0, 0x10000 * sizeof(void *));
	147	memset(psxMemWLUT, 0, 0x10000 * sizeof(void *));
	148
a62012a7	149	#ifdef LIGHTREC
38c19eff	150	psxM = psxMap(0x30000000, 0x00210000, 1, MAP_TAG_RAM);
f12a6e13 ZC	151	if (psxM == NULL)
	152	psxM = psxMap(0x70000000, 0x00210000, 1, MAP_TAG_RAM);
	153
a62012a7 T	154	#else
	155	psxM = psxMap(0x80000000, 0x00210000, 1, MAP_TAG_RAM);
	156	#endif
a327ad27	157	#ifndef RAM_FIXED
a4874585	158	if (psxM == NULL)
f23d3386	159	psxM = psxMap(0x77000000, 0x00210000, 0, MAP_TAG_RAM);
a327ad27	160	#endif
87e5b45f	161	if (psxM == NULL) {
a327ad27	162	SysMessage(_("mapping main RAM failed"));
	163	return -1;
	164	}
ef79bbde P	165
ef79bbde P	166	psxP = &psxM[0x200000];
a62012a7	167	#ifdef LIGHTREC
38c19eff	168	psxH = psxMap(0x4f800000, 0x10000, 0, MAP_TAG_OTHER);
f12a6e13 ZC	169	if (psxH == NULL)
	170	psxH = psxMap(0x8f800000, 0x10000, 0, MAP_TAG_OTHER);
	171
38c19eff	172	psxR = psxMap(0x4fc00000, 0x80000, 0, MAP_TAG_OTHER);
f12a6e13 ZC	173	if (psxR == NULL)
f12a6e13 ZC	174	psxR = psxMap(0x8fc00000, 0x80000, 0, MAP_TAG_OTHER);
a62012a7 T	175	#else
	176	psxH = psxMap(0x1f800000, 0x10000, 0, MAP_TAG_OTHER);
	177	psxR = psxMap(0x1fc00000, 0x80000, 0, MAP_TAG_OTHER);
	178	#endif
ef79bbde P	179
ef79bbde P	180	if (psxMemRLUT == NULL \|\| psxMemWLUT == NULL \|\|
6d760c92	181	psxR == NULL \|\| psxP == NULL \|\| psxH == NULL) {
ef79bbde	182	SysMessage(_("Error allocating memory!"));
88901dd2	183	psxMemShutdown();
ef79bbde P	184	return -1;
	185	}
	186
	187	// MemR
	188	for (i = 0; i < 0x80; i++) psxMemRLUT[i + 0x0000] = (u8 *)&psxM[(i & 0x1f) << 16];
	189
	190	memcpy(psxMemRLUT + 0x8000, psxMemRLUT, 0x80 * sizeof(void *));
	191	memcpy(psxMemRLUT + 0xa000, psxMemRLUT, 0x80 * sizeof(void *));
	192
	193	psxMemRLUT[0x1f00] = (u8 *)psxP;
	194	psxMemRLUT[0x1f80] = (u8 *)psxH;
	195
	196	for (i = 0; i < 0x08; i++) psxMemRLUT[i + 0x1fc0] = (u8 *)&psxR[i << 16];
	197
	198	memcpy(psxMemRLUT + 0x9fc0, psxMemRLUT + 0x1fc0, 0x08 * sizeof(void *));
	199	memcpy(psxMemRLUT + 0xbfc0, psxMemRLUT + 0x1fc0, 0x08 * sizeof(void *));
	200
	201	// MemW
	202	for (i = 0; i < 0x80; i++) psxMemWLUT[i + 0x0000] = (u8 *)&psxM[(i & 0x1f) << 16];
	203
	204	memcpy(psxMemWLUT + 0x8000, psxMemWLUT, 0x80 * sizeof(void *));
	205	memcpy(psxMemWLUT + 0xa000, psxMemWLUT, 0x80 * sizeof(void *));
	206
	207	psxMemWLUT[0x1f00] = (u8 *)psxP;
	208	psxMemWLUT[0x1f80] = (u8 *)psxH;
	209
	210	return 0;
	211	}
	212
	213	void psxMemReset() {
	214	FILE *f = NULL;
	215	char bios[1024];
	216
	217	memset(psxM, 0, 0x00200000);
23643ee7	218	memset(psxP, 0xff, 0x00010000);
ef79bbde P	219
	220	if (strcmp(Config.Bios, "HLE") != 0) {
	221	sprintf(bios, "%s/%s", Config.BiosDir, Config.Bios);
270c6dd1	222	f = fopen_utf8(bios, "rb");
ef79bbde P	223
	224	if (f == NULL) {
	225	SysMessage(_("Could not open BIOS:\"%s\". Enabling HLE Bios!\n"), bios);
	226	memset(psxR, 0, 0x80000);
	227	Config.HLE = TRUE;
	228	} else {
	229	fread(psxR, 1, 0x80000, f);
	230	fclose(f);
	231	Config.HLE = FALSE;
	232	}
	233	} else Config.HLE = TRUE;
	234	}
	235
	236	void psxMemShutdown() {
88901dd2	237	psxUnmap(psxM, 0x00210000, MAP_TAG_RAM); psxM = NULL;
	238	psxUnmap(psxH, 0x10000, MAP_TAG_OTHER); psxH = NULL;
	239	psxUnmap(psxR, 0x80000, MAP_TAG_OTHER); psxR = NULL;
ef79bbde	240
88901dd2	241	free(psxMemRLUT); psxMemRLUT = NULL;
88901dd2	242	free(psxMemWLUT); psxMemWLUT = NULL;
ef79bbde P	243	}
	244
	245	static int writeok = 1;
	246
	247	u8 psxMemRead8(u32 mem) {
	248	char *p;
	249	u32 t;
	250
	251	t = mem >> 16;
9dd7d179	252	if (t == 0x1f80 \|\| t == 0x9f80 \|\| t == 0xbf80) {
9dd7d179	253	if ((mem & 0xffff) < 0x400)
ef79bbde P	254	return psxHu8(mem);
	255	else
	256	return psxHwRead8(mem);
	257	} else {
	258	p = (char *)(psxMemRLUT[t]);
	259	if (p != NULL) {
	260	if (Config.Debug)
	261	DebugCheckBP((mem & 0xffffff) \| 0x80000000, R1);
	262	return (u8 )(p + (mem & 0xffff));
	263	} else {
	264	#ifdef PSXMEM_LOG
	265	PSXMEM_LOG("err lb %8.8lx\n", mem);
	266	#endif
	267	return 0;
	268	}
	269	}
	270	}
	271
	272	u16 psxMemRead16(u32 mem) {
	273	char *p;
	274	u32 t;
	275
	276	t = mem >> 16;
9dd7d179	277	if (t == 0x1f80 \|\| t == 0x9f80 \|\| t == 0xbf80) {
9dd7d179	278	if ((mem & 0xffff) < 0x400)
ef79bbde P	279	return psxHu16(mem);
	280	else
	281	return psxHwRead16(mem);
	282	} else {
	283	p = (char *)(psxMemRLUT[t]);
	284	if (p != NULL) {
	285	if (Config.Debug)
	286	DebugCheckBP((mem & 0xffffff) \| 0x80000000, R2);
	287	return SWAPu16((u16 )(p + (mem & 0xffff)));
	288	} else {
	289	#ifdef PSXMEM_LOG
	290	PSXMEM_LOG("err lh %8.8lx\n", mem);
	291	#endif
	292	return 0;
	293	}
	294	}
	295	}
	296
	297	u32 psxMemRead32(u32 mem) {
	298	char *p;
	299	u32 t;
	300
	301	t = mem >> 16;
9dd7d179	302	if (t == 0x1f80 \|\| t == 0x9f80 \|\| t == 0xbf80) {
9dd7d179	303	if ((mem & 0xffff) < 0x400)
ef79bbde P	304	return psxHu32(mem);
	305	else
	306	return psxHwRead32(mem);
	307	} else {
	308	p = (char *)(psxMemRLUT[t]);
	309	if (p != NULL) {
	310	if (Config.Debug)
	311	DebugCheckBP((mem & 0xffffff) \| 0x80000000, R4);
	312	return SWAPu32((u32 )(p + (mem & 0xffff)));
	313	} else {
	314	#ifdef PSXMEM_LOG
	315	if (writeok) { PSXMEM_LOG("err lw %8.8lx\n", mem); }
	316	#endif
	317	return 0;
	318	}
	319	}
	320	}
	321
	322	void psxMemWrite8(u32 mem, u8 value) {
	323	char *p;
	324	u32 t;
	325
	326	t = mem >> 16;
9dd7d179	327	if (t == 0x1f80 \|\| t == 0x9f80 \|\| t == 0xbf80) {
9dd7d179	328	if ((mem & 0xffff) < 0x400)
ef79bbde P	329	psxHu8(mem) = value;
	330	else
	331	psxHwWrite8(mem, value);
	332	} else {
	333	p = (char *)(psxMemWLUT[t]);
	334	if (p != NULL) {
	335	if (Config.Debug)
	336	DebugCheckBP((mem & 0xffffff) \| 0x80000000, W1);
	337	(u8 )(p + (mem & 0xffff)) = value;
	338	#ifdef PSXREC
	339	psxCpu->Clear((mem & (~3)), 1);
	340	#endif
	341	} else {
	342	#ifdef PSXMEM_LOG
	343	PSXMEM_LOG("err sb %8.8lx\n", mem);
	344	#endif
	345	}
	346	}
	347	}
	348
	349	void psxMemWrite16(u32 mem, u16 value) {
	350	char *p;
	351	u32 t;
	352
	353	t = mem >> 16;
9dd7d179	354	if (t == 0x1f80 \|\| t == 0x9f80 \|\| t == 0xbf80) {
9dd7d179	355	if ((mem & 0xffff) < 0x400)
ef79bbde P	356	psxHu16ref(mem) = SWAPu16(value);
	357	else
	358	psxHwWrite16(mem, value);
	359	} else {
	360	p = (char *)(psxMemWLUT[t]);
	361	if (p != NULL) {
	362	if (Config.Debug)
	363	DebugCheckBP((mem & 0xffffff) \| 0x80000000, W2);
	364	(u16 )(p + (mem & 0xffff)) = SWAPu16(value);
	365	#ifdef PSXREC
3e31e934	366	psxCpu->Clear((mem & (~3)), 1);
ef79bbde P	367	#endif
	368	} else {
	369	#ifdef PSXMEM_LOG
	370	PSXMEM_LOG("err sh %8.8lx\n", mem);
	371	#endif
	372	}
	373	}
	374	}
	375
	376	void psxMemWrite32(u32 mem, u32 value) {
	377	char *p;
	378	u32 t;
	379
	380	// if ((mem&0x1fffff) == 0x71E18 \|\| value == 0x48088800) SysPrintf("t2fix!!\n");
	381	t = mem >> 16;
9dd7d179	382	if (t == 0x1f80 \|\| t == 0x9f80 \|\| t == 0xbf80) {
9dd7d179	383	if ((mem & 0xffff) < 0x400)
ef79bbde P	384	psxHu32ref(mem) = SWAPu32(value);
	385	else
	386	psxHwWrite32(mem, value);
	387	} else {
	388	p = (char *)(psxMemWLUT[t]);
	389	if (p != NULL) {
	390	if (Config.Debug)
	391	DebugCheckBP((mem & 0xffffff) \| 0x80000000, W4);
	392	(u32 )(p + (mem & 0xffff)) = SWAPu32(value);
	393	#ifdef PSXREC
	394	psxCpu->Clear(mem, 1);
	395	#endif
	396	} else {
	397	if (mem != 0xfffe0130) {
	398	#ifdef PSXREC
	399	if (!writeok)
	400	psxCpu->Clear(mem, 1);
	401	#endif
	402
	403	#ifdef PSXMEM_LOG
	404	if (writeok) { PSXMEM_LOG("err sw %8.8lx\n", mem); }
	405	#endif
	406	} else {
	407	int i;
	408
	409	switch (value) {
	410	case 0x800: case 0x804:
	411	if (writeok == 0) break;
	412	writeok = 0;
	413	memset(psxMemWLUT + 0x0000, 0, 0x80 * sizeof(void *));
	414	memset(psxMemWLUT + 0x8000, 0, 0x80 * sizeof(void *));
	415	memset(psxMemWLUT + 0xa000, 0, 0x80 * sizeof(void *));
	416	break;
	417	case 0x00: case 0x1e988:
	418	if (writeok == 1) break;
	419	writeok = 1;
	420	for (i = 0; i < 0x80; i++) psxMemWLUT[i + 0x0000] = (void *)&psxM[(i & 0x1f) << 16];
	421	memcpy(psxMemWLUT + 0x8000, psxMemWLUT, 0x80 * sizeof(void *));
	422	memcpy(psxMemWLUT + 0xa000, psxMemWLUT, 0x80 * sizeof(void *));
	423	break;
	424	default:
	425	#ifdef PSXMEM_LOG
	426	PSXMEM_LOG("unk %8.8lx = %x\n", mem, value);
	427	#endif
	428	break;
	429	}
	430	}
	431	}
	432	}
	433	}
	434
	435	void *psxMemPointer(u32 mem) {
	436	char *p;
	437	u32 t;
	438
	439	t = mem >> 16;
9dd7d179	440	if (t == 0x1f80 \|\| t == 0x9f80 \|\| t == 0xbf80) {
9dd7d179	441	if ((mem & 0xffff) < 0x400)
ef79bbde P	442	return (void *)&psxH[mem];
	443	else
	444	return NULL;
	445	} else {
	446	p = (char *)(psxMemWLUT[t]);
	447	if (p != NULL) {
	448	return (void *)(p + (mem & 0xffff));
	449	}
	450	return NULL;
	451	}
	452	}