[pcsx_rearmed.git] / libpcsxcore / new_dynarec / emu_if.c

/*
 * (C) Gražvydas "notaz" Ignotas, 2010-2011
 *
 * This work is licensed under the terms of GNU GPL version 2 or later.
 * See the COPYING file in the top-level directory.
 */

#include <stdio.h>

#include "emu_if.h"
#include "pcsxmem.h"
#include "../psxhle.h"
#include "../r3000a.h"
#include "../cdrom.h"
#include "../psxdma.h"
#include "../mdec.h"
#include "../gte_arm.h"
#include "../gte_neon.h"
#define FLAGLESS
#include "../gte.h"

#define ARRAY_SIZE(x) (sizeof(x) / sizeof(x[0]))

//#define evprintf printf
#define evprintf(...)

char invalid_code[0x100000];
u32 event_cycles[PSXINT_COUNT];

static void schedule_timeslice(void)
{
	u32 i, c = psxRegs.cycle;
	s32 min, dif;

	min = psxNextsCounter + psxNextCounter - c;
	for (i = 0; i < ARRAY_SIZE(event_cycles); i++) {
		dif = event_cycles[i] - c;
		//evprintf("  ev %d\n", dif);
		if (0 < dif && dif < min)
			min = dif;
	}
	next_interupt = c + min;

#if 0
	static u32 cnt, last_cycle;
	static u64 sum;
	if (last_cycle) {
		cnt++;
		sum += psxRegs.cycle - last_cycle;
		if ((cnt & 0xff) == 0)
			printf("%u\n", (u32)(sum / cnt));
	}
	last_cycle = psxRegs.cycle;
#endif
}

typedef void (irq_func)();

static irq_func * const irq_funcs[] = {
	[PSXINT_SIO]	= sioInterrupt,
	[PSXINT_CDR]	= cdrInterrupt,
	[PSXINT_CDREAD]	= cdrReadInterrupt,
	[PSXINT_GPUDMA]	= gpuInterrupt,
	[PSXINT_MDECOUTDMA] = mdec1Interrupt,
	[PSXINT_SPUDMA]	= spuInterrupt,
	[PSXINT_MDECINDMA] = mdec0Interrupt,
	[PSXINT_GPUOTCDMA] = gpuotcInterrupt,
	[PSXINT_CDRDMA] = cdrDmaInterrupt,
	[PSXINT_CDRLID] = cdrLidSeekInterrupt,
	[PSXINT_CDRPLAY] = cdrPlayInterrupt,
};

/* local dupe of psxBranchTest, using event_cycles */
static void irq_test(void)
{
	u32 irqs = psxRegs.interrupt;
	u32 cycle = psxRegs.cycle;
	u32 irq, irq_bits;

	if ((psxRegs.cycle - psxNextsCounter) >= psxNextCounter)
		psxRcntUpdate();

	// irq_funcs() may queue more irqs
	psxRegs.interrupt = 0;

	for (irq = 0, irq_bits = irqs; irq_bits != 0; irq++, irq_bits >>= 1) {
		if (!(irq_bits & 1))
			continue;
		if ((s32)(cycle - event_cycles[irq]) >= 0) {
			irqs &= ~(1 << irq);
			irq_funcs[irq]();
		}
	}
	psxRegs.interrupt |= irqs;

	if ((psxHu32(0x1070) & psxHu32(0x1074)) && (Status & 0x401) == 0x401) {
		psxException(0x400, 0);
		pending_exception = 1;
	}
}

void gen_interupt()
{
	evprintf("  +ge %08x, %u->%u\n", psxRegs.pc, psxRegs.cycle, next_interupt);

	irq_test();
	//psxBranchTest();
	//pending_exception = 1;

	schedule_timeslice();

	evprintf("  -ge %08x, %u->%u (%d)\n", psxRegs.pc, psxRegs.cycle,
		next_interupt, next_interupt - psxRegs.cycle);
}

// from interpreter
extern void MTC0(int reg, u32 val);

void pcsx_mtc0(u32 reg, u32 val)
{
	evprintf("MTC0 %d #%x @%08x %u\n", reg, val, psxRegs.pc, psxRegs.cycle);
	MTC0(reg, val);
	gen_interupt();
}

void pcsx_mtc0_ds(u32 reg, u32 val)
{
	evprintf("MTC0 %d #%x @%08x %u\n", reg, val, psxRegs.pc, psxRegs.cycle);
	MTC0(reg, val);
}

void new_dyna_save(void)
{
	// psxRegs.intCycle is always maintained, no need to convert
}

void new_dyna_restore(void)
{
	int i;
	for (i = 0; i < PSXINT_COUNT; i++)
		event_cycles[i] = psxRegs.intCycle[i].sCycle + psxRegs.intCycle[i].cycle;

	new_dyna_pcsx_mem_load_state();
}

/* GTE stuff */
void *gte_handlers[64];

void *gte_handlers_nf[64] = {
	NULL      , gteRTPS_nf , NULL       , NULL      , NULL     , NULL       , gteNCLIP_nf, NULL      , // 00
	NULL      , NULL       , NULL       , NULL      , gteOP_nf , NULL       , NULL       , NULL      , // 08
	gteDPCS_nf, gteINTPL_nf, gteMVMVA_nf, gteNCDS_nf, gteCDP_nf, NULL       , gteNCDT_nf , NULL      , // 10
	NULL      , NULL       , NULL       , gteNCCS_nf, gteCC_nf , NULL       , gteNCS_nf  , NULL      , // 18
	gteNCT_nf , NULL       , NULL       , NULL      , NULL     , NULL       , NULL       , NULL      , // 20
	gteSQR_nf , gteDCPL_nf , gteDPCT_nf , NULL      , NULL     , gteAVSZ3_nf, gteAVSZ4_nf, NULL      , // 28 
	gteRTPT_nf, NULL       , NULL       , NULL      , NULL     , NULL       , NULL       , NULL      , // 30
	NULL      , NULL       , NULL       , NULL      , NULL     , gteGPF_nf  , gteGPL_nf  , gteNCCT_nf, // 38
};

const char *gte_regnames[64] = {
	NULL  , "RTPS" , NULL   , NULL  , NULL , NULL   , "NCLIP", NULL  , // 00
	NULL  , NULL   , NULL   , NULL  , "OP" , NULL   , NULL   , NULL  , // 08
	"DPCS", "INTPL", "MVMVA", "NCDS", "CDP", NULL   , "NCDT" , NULL  , // 10
	NULL  , NULL   , NULL   , "NCCS", "CC" , NULL   , "NCS"  , NULL  , // 18
	"NCT" , NULL   , NULL   , NULL  , NULL , NULL   , NULL   , NULL  , // 20
	"SQR" , "DCPL" , "DPCT" , NULL  , NULL , "AVSZ3", "AVSZ4", NULL  , // 28 
	"RTPT", NULL   , NULL   , NULL  , NULL , NULL   , NULL   , NULL  , // 30
	NULL  , NULL   , NULL   , NULL  , NULL , "GPF"  , "GPL"  , "NCCT", // 38
};

/* from gte.txt.. not sure if this is any good. */
const char gte_cycletab[64] = {
	/*   1   2   3   4   5   6   7   8   9   a   b   c   d   e   f */
	 0, 15,  0,  0,  0,  0,  8,  0,  0,  0,  0,  0,  6,  0,  0,  0,
	 8,  8,  8, 19, 13,  0, 44,  0,  0,  0,  0, 17, 11,  0, 14,  0,
	30,  0,  0,  0,  0,  0,  0,  0,  5,  8, 17,  0,  0,  5,  6,  0,
	23,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  5,  5, 39,
};

enum gte_opcodes {
	GTE_RTPS	= 0x01,
	GTE_NCLIP	= 0x06,
	GTE_OP		= 0x0c,
	GTE_DPCS	= 0x10,
	GTE_INTPL	= 0x11,
	GTE_MVMVA	= 0x12,
	GTE_NCDS	= 0x13,
	GTE_CDP		= 0x14,
	GTE_NCDT	= 0x16,
	GTE_NCCS	= 0x1b,
	GTE_CC		= 0x1c,
	GTE_NCS		= 0x1e,
	GTE_NCT		= 0x20,
	GTE_SQR		= 0x28,
	GTE_DCPL	= 0x29,
	GTE_DPCT	= 0x2a,
	GTE_AVSZ3	= 0x2d,
	GTE_AVSZ4	= 0x2e,
	GTE_RTPT	= 0x30,
	GTE_GPF		= 0x3d,
	GTE_GPL		= 0x3e,
	GTE_NCCT	= 0x3f,
};

#define GCBIT(x) \
	(1ll << (32+x))
#define GDBIT(x) \
	(1ll << (x))
#define GCBITS3(b0,b1,b2) \
	(GCBIT(b0) | GCBIT(b1) | GCBIT(b2))
#define GDBITS2(b0,b1) \
	(GDBIT(b0) | GDBIT(b1))
#define GDBITS3(b0,b1,b2) \
	(GDBITS2(b0,b1) | GDBIT(b2))
#define GDBITS4(b0,b1,b2,b3) \
	(GDBITS3(b0,b1,b2) | GDBIT(b3))
#define GDBITS5(b0,b1,b2,b3,b4) \
	(GDBITS4(b0,b1,b2,b3) | GDBIT(b4))
#define GDBITS6(b0,b1,b2,b3,b4,b5) \
	(GDBITS5(b0,b1,b2,b3,b4) | GDBIT(b5))
#define GDBITS7(b0,b1,b2,b3,b4,b5,b6) \
	(GDBITS6(b0,b1,b2,b3,b4,b5) | GDBIT(b6))
#define GDBITS8(b0,b1,b2,b3,b4,b5,b6,b7) \
	(GDBITS7(b0,b1,b2,b3,b4,b5,b6) | GDBIT(b7))
#define GDBITS9(b0,b1,b2,b3,b4,b5,b6,b7,b8) \
	(GDBITS8(b0,b1,b2,b3,b4,b5,b6,b7) | GDBIT(b8))
#define GDBITS10(b0,b1,b2,b3,b4,b5,b6,b7,b8,b9) \
	(GDBITS9(b0,b1,b2,b3,b4,b5,b6,b7,b8) | GDBIT(b9))

const uint64_t gte_reg_reads[64] = {
	[GTE_RTPS]  = 0x1f0000ff00000000ll | GDBITS7(0,1,13,14,17,18,19),
	[GTE_NCLIP] =                        GDBITS3(12,13,14),
	[GTE_OP]    = GCBITS3(0,2,4)       | GDBITS3(9,10,11),
	[GTE_DPCS]  = GCBITS3(21,22,23)    | GDBITS4(6,8,21,22),
	[GTE_INTPL] = GCBITS3(21,22,23)    | GDBITS7(6,8,9,10,11,21,22),
	[GTE_MVMVA] = 0x00ffffff00000000ll | GDBITS6(0,1,2,3,4,5), // XXX: maybe decode further?
	[GTE_NCDS]  = 0x00ffff0000000000ll | GDBITS5(0,1,6,21,22),
	[GTE_CDP]   = 0x00fff00000000000ll | GDBITS7(6,8,9,10,11,21,22),
	[GTE_NCDT]  = 0x00ffff0000000000ll | GDBITS8(0,1,2,3,4,5,6,8),
	[GTE_NCCS]  = 0x00ffff0000000000ll | GDBITS6(0,1,6,8,21,22),
	[GTE_CC]    = 0x001fe00000000000ll | GDBITS6(6,9,10,11,21,22),
	[GTE_NCS]   = 0x001fff0000000000ll | GDBITS4(0,1,21,22),
	[GTE_NCT]   = 0x001fff0000000000ll | GDBITS7(0,1,2,3,4,5,6),
	[GTE_SQR]   =                        GDBITS3(9,10,11),
	[GTE_DCPL]  = GCBITS3(21,22,23)    | GDBITS7(6,8,9,10,11,21,22),
	[GTE_DPCT]  = GCBITS3(21,22,23)    | GDBITS4(8,20,21,22),
	[GTE_AVSZ3] = GCBIT(29)            | GDBITS3(17,18,19),
	[GTE_AVSZ4] = GCBIT(30)            | GDBITS4(16,17,18,19),
	[GTE_RTPT]  = 0x1f0000ff00000000ll | GDBITS7(0,1,2,3,4,5,19),
	[GTE_GPF]   =                        GDBITS7(6,8,9,10,11,21,22),
	[GTE_GPL]   =                        GDBITS10(6,8,9,10,11,21,22,25,26,27),
	[GTE_NCCT]  = 0x001fff0000000000ll | GDBITS7(0,1,2,3,4,5,6),
};

// note: this excludes gteFLAG that is always written to
const uint64_t gte_reg_writes[64] = {
	[GTE_RTPS]  = 0x0f0f7f00ll,
	[GTE_NCLIP] = GDBIT(24),
	[GTE_OP]    = GDBITS6(9,10,11,25,26,27),
	[GTE_DPCS]  = GDBITS9(9,10,11,20,21,22,25,26,27),
	[GTE_INTPL] = GDBITS9(9,10,11,20,21,22,25,26,27),
	[GTE_MVMVA] = GDBITS6(9,10,11,25,26,27),
	[GTE_NCDS]  = GDBITS9(9,10,11,20,21,22,25,26,27),
	[GTE_CDP]   = GDBITS9(9,10,11,20,21,22,25,26,27),
	[GTE_NCDT]  = GDBITS9(9,10,11,20,21,22,25,26,27),
	[GTE_NCCS]  = GDBITS9(9,10,11,20,21,22,25,26,27),
	[GTE_CC]    = GDBITS9(9,10,11,20,21,22,25,26,27),
	[GTE_NCS]   = GDBITS9(9,10,11,20,21,22,25,26,27),
	[GTE_NCT]   = GDBITS9(9,10,11,20,21,22,25,26,27),
	[GTE_SQR]   = GDBITS6(9,10,11,25,26,27),
	[GTE_DCPL]  = GDBITS9(9,10,11,20,21,22,25,26,27),
	[GTE_DPCT]  = GDBITS9(9,10,11,20,21,22,25,26,27),
	[GTE_AVSZ3] = GDBITS2(7,24),
	[GTE_AVSZ4] = GDBITS2(7,24),
	[GTE_RTPT]  = 0x0f0f7f00ll,
	[GTE_GPF]   = GDBITS9(9,10,11,20,21,22,25,26,27),
	[GTE_GPL]   = GDBITS9(9,10,11,20,21,22,25,26,27),
	[GTE_NCCT]  = GDBITS9(9,10,11,20,21,22,25,26,27),
};

static int ari64_init()
{
	extern void (*psxCP2[64])();
	extern void psxNULL();
	size_t i;

	new_dynarec_init();
	new_dyna_pcsx_mem_init();

	for (i = 0; i < ARRAY_SIZE(gte_handlers); i++)
		if (psxCP2[i] != psxNULL)
			gte_handlers[i] = psxCP2[i];

#if !defined(DRC_DBG) && !defined(PCNT)
#ifdef __arm__
	gte_handlers[0x06] = gteNCLIP_arm;
	gte_handlers_nf[0x01] = gteRTPS_nf_arm;
	gte_handlers_nf[0x30] = gteRTPT_nf_arm;
#endif
#ifdef __ARM_NEON__
	// compiler's _nf version is still a lot slower then neon
	// _nf_arm RTPS is roughly the same, RTPT slower
	gte_handlers[0x01] = gte_handlers_nf[0x01] = gteRTPS_neon;
	gte_handlers[0x30] = gte_handlers_nf[0x30] = gteRTPT_neon;
	gte_handlers[0x12] = gte_handlers_nf[0x12] = gteMVMVA_neon;
#endif
#endif
#ifdef DRC_DBG
	memcpy(gte_handlers_nf, gte_handlers, sizeof(gte_handlers_nf));
#endif
	psxH_ptr = psxH;

	return 0;
}

static void ari64_reset()
{
	printf("ari64_reset\n");
	new_dyna_pcsx_mem_reset();
	invalidate_all_pages();
	new_dyna_restore();
	pending_exception = 1;
}

// execute until predefined leave points
// (HLE softcall exit and BIOS fastboot end)
static void ari64_execute_until()
{
	schedule_timeslice();

	evprintf("ari64_execute %08x, %u->%u (%d)\n", psxRegs.pc,
		psxRegs.cycle, next_interupt, next_interupt - psxRegs.cycle);

	new_dyna_start();

	evprintf("ari64_execute end %08x, %u->%u (%d)\n", psxRegs.pc,
		psxRegs.cycle, next_interupt, next_interupt - psxRegs.cycle);
}

static void ari64_execute()
{
	while (!stop) {
		ari64_execute_until();
		evprintf("drc left @%08x\n", psxRegs.pc);
	}
}

static void ari64_clear(u32 addr, u32 size)
{
	u32 start, end, main_ram;

	size *= 4; /* PCSX uses DMA units */

	evprintf("ari64_clear %08x %04x\n", addr, size);

	/* check for RAM mirrors */
	main_ram = (addr & 0xffe00000) == 0x80000000;

	start = addr >> 12;
	end = (addr + size) >> 12;

	for (; start <= end; start++)
		if (!main_ram || !invalid_code[start])
			invalidate_block(start);
}

static void ari64_shutdown()
{
	new_dynarec_cleanup();
}

extern void intExecute();
extern void intExecuteT();
extern void intExecuteBlock();
extern void intExecuteBlockT();
#ifndef DRC_DBG
#define intExecuteT intExecute
#define intExecuteBlockT intExecuteBlock
#endif

R3000Acpu psxRec = {
	ari64_init,
	ari64_reset,
#if defined(__arm__)
	ari64_execute,
	ari64_execute_until,
#else
	intExecuteT,
	intExecuteBlockT,
#endif
	ari64_clear,
	ari64_shutdown
};

// TODO: rm
#ifndef DRC_DBG
void do_insn_trace() {}
void do_insn_cmp() {}
#endif

#if defined(__x86_64__) || defined(__i386__)
unsigned int address, readmem_word, word;
unsigned short hword;
unsigned char byte;
int pending_exception, stop;
unsigned int next_interupt;
int new_dynarec_did_compile;
int cycle_multiplier;
void *psxH_ptr;
void new_dynarec_init() {}
void new_dyna_start() {}
void new_dynarec_cleanup() {}
void new_dynarec_clear_full() {}
void invalidate_all_pages() {}
void invalidate_block(unsigned int block) {}
void new_dyna_pcsx_mem_init(void) {}
void new_dyna_pcsx_mem_reset(void) {}
void new_dyna_pcsx_mem_load_state(void) {}
#endif

#ifdef DRC_DBG

#include <stddef.h>
static FILE *f;
extern u32 last_io_addr;

static void dump_mem(const char *fname, void *mem, size_t size)
{
	FILE *f1 = fopen(fname, "wb");
	if (f1 == NULL)
		f1 = fopen(strrchr(fname, '/') + 1, "wb");
	fwrite(mem, 1, size, f1);
	fclose(f1);
}

static u32 memcheck_read(u32 a)
{
	if ((a >> 16) == 0x1f80)
		// scratchpad/IO
		return *(u32 *)(psxH + (a & 0xfffc));

	if ((a >> 16) == 0x1f00)
		// parallel
		return *(u32 *)(psxP + (a & 0xfffc));

//	if ((a & ~0xe0600000) < 0x200000)
	// RAM
	return *(u32 *)(psxM + (a & 0x1ffffc));
}

void do_insn_trace(void)
{
	static psxRegisters oldregs;
	static u32 old_io_addr = (u32)-1;
	static u32 old_io_data = 0xbad0c0de;
	u32 *allregs_p = (void *)&psxRegs;
	u32 *allregs_o = (void *)&oldregs;
	u32 io_data;
	int i;
	u8 byte;

//last_io_addr = 0x5e2c8;
	if (f == NULL)
		f = fopen("tracelog", "wb");

	oldregs.code = psxRegs.code; // don't care
	for (i = 0; i < offsetof(psxRegisters, intCycle) / 4; i++) {
		if (allregs_p[i] != allregs_o[i]) {
			fwrite(&i, 1, 1, f);
			fwrite(&allregs_p[i], 1, 4, f);
			allregs_o[i] = allregs_p[i];
		}
	}
	if (old_io_addr != last_io_addr) {
		byte = 0xfd;
		fwrite(&byte, 1, 1, f);
		fwrite(&last_io_addr, 1, 4, f);
		old_io_addr = last_io_addr;
	}
	io_data = memcheck_read(last_io_addr);
	if (old_io_data != io_data) {
		byte = 0xfe;
		fwrite(&byte, 1, 1, f);
		fwrite(&io_data, 1, 4, f);
		old_io_data = io_data;
	}
	byte = 0xff;
	fwrite(&byte, 1, 1, f);

#if 0
	if (psxRegs.cycle == 190230) {
		dump_mem("/mnt/ntz/dev/pnd/tmp/psxram_i.dump", psxM, 0x200000);
		dump_mem("/mnt/ntz/dev/pnd/tmp/psxregs_i.dump", psxH, 0x10000);
		printf("dumped\n");
		exit(1);
	}
#endif
}

static const char *regnames[offsetof(psxRegisters, intCycle) / 4] = {
	"r0",  "r1",  "r2",  "r3",  "r4",  "r5",  "r6",  "r7",
	"r8",  "r9",  "r10", "r11", "r12", "r13", "r14", "r15",
	"r16", "r17", "r18", "r19", "r20", "r21", "r22", "r23",
	"r24", "r25", "r26", "r27", "r28", "r29", "r30", "r31",
	"lo",  "hi",
	"C0_0",  "C0_1",  "C0_2",  "C0_3",  "C0_4",  "C0_5",  "C0_6",  "C0_7",
	"C0_8",  "C0_9",  "C0_10", "C0_11", "C0_12", "C0_13", "C0_14", "C0_15",
	"C0_16", "C0_17", "C0_18", "C0_19", "C0_20", "C0_21", "C0_22", "C0_23",
	"C0_24", "C0_25", "C0_26", "C0_27", "C0_28", "C0_29", "C0_30", "C0_31",

	"C2D0",  "C2D1",  "C2D2",  "C2D3",  "C2D4",  "C2D5",  "C2D6",  "C2D7",
	"C2D8",  "C2D9",  "C2D10", "C2D11", "C2D12", "C2D13", "C2D14", "C2D15",
	"C2D16", "C2D17", "C2D18", "C2D19", "C2D20", "C2D21", "C2D22", "C2D23",
	"C2D24", "C2D25", "C2D26", "C2D27", "C2D28", "C2D29", "C2D30", "C2D31",

	"C2C0",  "C2C1",  "C2C2",  "C2C3",  "C2C4",  "C2C5",  "C2C6",  "C2C7",
	"C2C8",  "C2C9",  "C2C10", "C2C11", "C2C12", "C2C13", "C2C14", "C2C15",
	"C2C16", "C2C17", "C2C18", "C2C19", "C2C20", "C2C21", "C2C22", "C2C23",
	"C2C24", "C2C25", "C2C26", "C2C27", "C2C28", "C2C29", "C2C30", "C2C31",

	"PC", "code", "cycle", "interrupt",
};

static struct {
	int reg;
	u32 val, val_expect;
	u32 pc, cycle;
} miss_log[64];
static int miss_log_i;
#define miss_log_len (sizeof(miss_log)/sizeof(miss_log[0]))
#define miss_log_mask (miss_log_len-1)

static void miss_log_add(int reg, u32 val, u32 val_expect, u32 pc, u32 cycle)
{
	miss_log[miss_log_i].reg = reg;
	miss_log[miss_log_i].val = val;
	miss_log[miss_log_i].val_expect = val_expect;
	miss_log[miss_log_i].pc = pc;
	miss_log[miss_log_i].cycle = cycle;
	miss_log_i = (miss_log_i + 1) & miss_log_mask;
}

void breakme() {}

void do_insn_cmp(void)
{
	static psxRegisters rregs;
	static u32 mem_addr, mem_val;
	u32 *allregs_p = (void *)&psxRegs;
	u32 *allregs_e = (void *)&rregs;
	static u32 ppc, failcount;
	int i, ret, bad = 0;
	u8 code;

	if (f == NULL)
		f = fopen("tracelog", "rb");

	while (1) {
		if ((ret = fread(&code, 1, 1, f)) <= 0)
			break;
		if (ret <= 0)
			break;
		if (code == 0xff)
			break;
		if (code == 0xfd) {
			if ((ret = fread(&mem_addr, 1, 4, f)) <= 0)
				break;
			continue;
		}
		if (code == 0xfe) {
			if ((ret = fread(&mem_val, 1, 4, f)) <= 0)
				break;
			continue;
		}
		if ((ret = fread(&allregs_e[code], 1, 4, f)) <= 0)
			break;
	}

	if (ret <= 0) {
		printf("EOF?\n");
		goto end;
	}

	psxRegs.code = rregs.code; // don't care
	psxRegs.cycle = rregs.cycle;
	psxRegs.CP0.r[9] = rregs.CP0.r[9]; // Count

//if (psxRegs.cycle == 166172) breakme();

	if (memcmp(&psxRegs, &rregs, offsetof(psxRegisters, intCycle)) == 0 &&
			mem_val == memcheck_read(mem_addr)
	   ) {
		failcount = 0;
		goto ok;
	}

	for (i = 0; i < offsetof(psxRegisters, intCycle) / 4; i++) {
		if (allregs_p[i] != allregs_e[i]) {
			miss_log_add(i, allregs_p[i], allregs_e[i], psxRegs.pc, psxRegs.cycle);
			bad++;
		}
	}

	if (mem_val != memcheck_read(mem_addr)) {
		printf("bad mem @%08x: %08x %08x\n", mem_addr, memcheck_read(mem_addr), mem_val);
		goto end;
	}

	if (psxRegs.pc == rregs.pc && bad < 6 && failcount < 32) {
		static int last_mcycle;
		if (last_mcycle != psxRegs.cycle >> 20) {
			printf("%u\n", psxRegs.cycle);
			last_mcycle = psxRegs.cycle >> 20;
		}
		failcount++;
		goto ok;
	}

end:
	for (i = 0; i < miss_log_len; i++, miss_log_i = (miss_log_i + 1) & miss_log_mask)
		printf("bad %5s: %08x %08x, pc=%08x, cycle %u\n",
			regnames[miss_log[miss_log_i].reg], miss_log[miss_log_i].val,
			miss_log[miss_log_i].val_expect, miss_log[miss_log_i].pc, miss_log[miss_log_i].cycle);
	printf("-- %d\n", bad);
	for (i = 0; i < 8; i++)
		printf("r%d=%08x r%2d=%08x r%2d=%08x r%2d=%08x\n", i, allregs_p[i],
			i+8, allregs_p[i+8], i+16, allregs_p[i+16], i+24, allregs_p[i+24]);
	printf("PC: %08x/%08x, cycle %u\n", psxRegs.pc, ppc, psxRegs.cycle);
	dump_mem("/mnt/ntz/dev/pnd/tmp/psxram.dump", psxM, 0x200000);
	dump_mem("/mnt/ntz/dev/pnd/tmp/psxregs.dump", psxH, 0x10000);
	exit(1);
ok:
	psxRegs.cycle = rregs.cycle + 2; // sync timing
	ppc = psxRegs.pc;
}

#endif
Commit	Line	Data
	1	/*
	2	* (C) Gražvydas "notaz" Ignotas, 2010-2011
	3	*
	4	* This work is licensed under the terms of GNU GPL version 2 or later.
	5	* See the COPYING file in the top-level directory.
	6	*/
	7
	8	#include <stdio.h>
	9
	10	#include "emu_if.h"
	11	#include "pcsxmem.h"
	12	#include "../psxhle.h"
	13	#include "../r3000a.h"
	14	#include "../cdrom.h"
	15	#include "../psxdma.h"
	16	#include "../mdec.h"
	17	#include "../gte_arm.h"
	18	#include "../gte_neon.h"
	19	#define FLAGLESS
	20	#include "../gte.h"
	21
	22	#define ARRAY_SIZE(x) (sizeof(x) / sizeof(x[0]))
	23
	24	//#define evprintf printf
	25	#define evprintf(...)
	26
	27	char invalid_code[0x100000];
	28	u32 event_cycles[PSXINT_COUNT];
	29
	30	static void schedule_timeslice(void)
	31	{
	32	u32 i, c = psxRegs.cycle;
	33	s32 min, dif;
	34
	35	min = psxNextsCounter + psxNextCounter - c;
	36	for (i = 0; i < ARRAY_SIZE(event_cycles); i++) {
	37	dif = event_cycles[i] - c;
	38	//evprintf(" ev %d\n", dif);
	39	if (0 < dif && dif < min)
	40	min = dif;
	41	}
	42	next_interupt = c + min;
	43
	44	#if 0
	45	static u32 cnt, last_cycle;
	46	static u64 sum;
	47	if (last_cycle) {
	48	cnt++;
	49	sum += psxRegs.cycle - last_cycle;
	50	if ((cnt & 0xff) == 0)
	51	printf("%u\n", (u32)(sum / cnt));
	52	}
	53	last_cycle = psxRegs.cycle;
	54	#endif
	55	}
	56
	57	typedef void (irq_func)();
	58
	59	static irq_func * const irq_funcs[] = {
	60	[PSXINT_SIO] = sioInterrupt,
	61	[PSXINT_CDR] = cdrInterrupt,
	62	[PSXINT_CDREAD] = cdrReadInterrupt,
	63	[PSXINT_GPUDMA] = gpuInterrupt,
	64	[PSXINT_MDECOUTDMA] = mdec1Interrupt,
	65	[PSXINT_SPUDMA] = spuInterrupt,
	66	[PSXINT_MDECINDMA] = mdec0Interrupt,
	67	[PSXINT_GPUOTCDMA] = gpuotcInterrupt,
	68	[PSXINT_CDRDMA] = cdrDmaInterrupt,
	69	[PSXINT_CDRLID] = cdrLidSeekInterrupt,
	70	[PSXINT_CDRPLAY] = cdrPlayInterrupt,
	71	};
	72
	73	/* local dupe of psxBranchTest, using event_cycles */
	74	static void irq_test(void)
	75	{
	76	u32 irqs = psxRegs.interrupt;
	77	u32 cycle = psxRegs.cycle;
	78	u32 irq, irq_bits;
	79
	80	if ((psxRegs.cycle - psxNextsCounter) >= psxNextCounter)
	81	psxRcntUpdate();
	82
	83	// irq_funcs() may queue more irqs
	84	psxRegs.interrupt = 0;
	85
	86	for (irq = 0, irq_bits = irqs; irq_bits != 0; irq++, irq_bits >>= 1) {
	87	if (!(irq_bits & 1))
	88	continue;
	89	if ((s32)(cycle - event_cycles[irq]) >= 0) {
	90	irqs &= ~(1 << irq);
	91	irq_funcs[irq]();
	92	}
	93	}
	94	psxRegs.interrupt \|= irqs;
	95
	96	if ((psxHu32(0x1070) & psxHu32(0x1074)) && (Status & 0x401) == 0x401) {
	97	psxException(0x400, 0);
	98	pending_exception = 1;
	99	}
	100	}
	101
	102	void gen_interupt()
	103	{
	104	evprintf(" +ge %08x, %u->%u\n", psxRegs.pc, psxRegs.cycle, next_interupt);
	105
	106	irq_test();
	107	//psxBranchTest();
	108	//pending_exception = 1;
	109
	110	schedule_timeslice();
	111
	112	evprintf(" -ge %08x, %u->%u (%d)\n", psxRegs.pc, psxRegs.cycle,
	113	next_interupt, next_interupt - psxRegs.cycle);
	114	}
	115
	116	// from interpreter
	117	extern void MTC0(int reg, u32 val);
	118
	119	void pcsx_mtc0(u32 reg, u32 val)
	120	{
	121	evprintf("MTC0 %d #%x @%08x %u\n", reg, val, psxRegs.pc, psxRegs.cycle);
	122	MTC0(reg, val);
	123	gen_interupt();
	124	}
	125
	126	void pcsx_mtc0_ds(u32 reg, u32 val)
	127	{
	128	evprintf("MTC0 %d #%x @%08x %u\n", reg, val, psxRegs.pc, psxRegs.cycle);
	129	MTC0(reg, val);
	130	}
	131
	132	void new_dyna_save(void)
	133	{
	134	// psxRegs.intCycle is always maintained, no need to convert
	135	}
	136
	137	void new_dyna_restore(void)
	138	{
	139	int i;
	140	for (i = 0; i < PSXINT_COUNT; i++)
	141	event_cycles[i] = psxRegs.intCycle[i].sCycle + psxRegs.intCycle[i].cycle;
	142
	143	new_dyna_pcsx_mem_load_state();
	144	}
	145
	146	/* GTE stuff */
	147	void *gte_handlers[64];
	148
	149	void *gte_handlers_nf[64] = {
	150	NULL , gteRTPS_nf , NULL , NULL , NULL , NULL , gteNCLIP_nf, NULL , // 00
	151	NULL , NULL , NULL , NULL , gteOP_nf , NULL , NULL , NULL , // 08
	152	gteDPCS_nf, gteINTPL_nf, gteMVMVA_nf, gteNCDS_nf, gteCDP_nf, NULL , gteNCDT_nf , NULL , // 10
	153	NULL , NULL , NULL , gteNCCS_nf, gteCC_nf , NULL , gteNCS_nf , NULL , // 18
	154	gteNCT_nf , NULL , NULL , NULL , NULL , NULL , NULL , NULL , // 20
	155	gteSQR_nf , gteDCPL_nf , gteDPCT_nf , NULL , NULL , gteAVSZ3_nf, gteAVSZ4_nf, NULL , // 28
	156	gteRTPT_nf, NULL , NULL , NULL , NULL , NULL , NULL , NULL , // 30
	157	NULL , NULL , NULL , NULL , NULL , gteGPF_nf , gteGPL_nf , gteNCCT_nf, // 38
	158	};
	159
	160	const char *gte_regnames[64] = {
	161	NULL , "RTPS" , NULL , NULL , NULL , NULL , "NCLIP", NULL , // 00
	162	NULL , NULL , NULL , NULL , "OP" , NULL , NULL , NULL , // 08
	163	"DPCS", "INTPL", "MVMVA", "NCDS", "CDP", NULL , "NCDT" , NULL , // 10
	164	NULL , NULL , NULL , "NCCS", "CC" , NULL , "NCS" , NULL , // 18
	165	"NCT" , NULL , NULL , NULL , NULL , NULL , NULL , NULL , // 20
	166	"SQR" , "DCPL" , "DPCT" , NULL , NULL , "AVSZ3", "AVSZ4", NULL , // 28
	167	"RTPT", NULL , NULL , NULL , NULL , NULL , NULL , NULL , // 30
	168	NULL , NULL , NULL , NULL , NULL , "GPF" , "GPL" , "NCCT", // 38
	169	};
	170
	171	/* from gte.txt.. not sure if this is any good. */
	172	const char gte_cycletab[64] = {
	173	/* 1 2 3 4 5 6 7 8 9 a b c d e f */
	174	0, 15, 0, 0, 0, 0, 8, 0, 0, 0, 0, 0, 6, 0, 0, 0,
	175	8, 8, 8, 19, 13, 0, 44, 0, 0, 0, 0, 17, 11, 0, 14, 0,
	176	30, 0, 0, 0, 0, 0, 0, 0, 5, 8, 17, 0, 0, 5, 6, 0,
	177	23, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 5, 5, 39,
	178	};
	179
	180	enum gte_opcodes {
	181	GTE_RTPS = 0x01,
	182	GTE_NCLIP = 0x06,
	183	GTE_OP = 0x0c,
	184	GTE_DPCS = 0x10,
	185	GTE_INTPL = 0x11,
	186	GTE_MVMVA = 0x12,
	187	GTE_NCDS = 0x13,
	188	GTE_CDP = 0x14,
	189	GTE_NCDT = 0x16,
	190	GTE_NCCS = 0x1b,
	191	GTE_CC = 0x1c,
	192	GTE_NCS = 0x1e,
	193	GTE_NCT = 0x20,
	194	GTE_SQR = 0x28,
	195	GTE_DCPL = 0x29,
	196	GTE_DPCT = 0x2a,
	197	GTE_AVSZ3 = 0x2d,
	198	GTE_AVSZ4 = 0x2e,
	199	GTE_RTPT = 0x30,
	200	GTE_GPF = 0x3d,
	201	GTE_GPL = 0x3e,
	202	GTE_NCCT = 0x3f,
	203	};
	204
	205	#define GCBIT(x) \
	206	(1ll << (32+x))
	207	#define GDBIT(x) \
	208	(1ll << (x))
	209	#define GCBITS3(b0,b1,b2) \
	210	(GCBIT(b0) \| GCBIT(b1) \| GCBIT(b2))
	211	#define GDBITS2(b0,b1) \
	212	(GDBIT(b0) \| GDBIT(b1))
	213	#define GDBITS3(b0,b1,b2) \
	214	(GDBITS2(b0,b1) \| GDBIT(b2))
	215	#define GDBITS4(b0,b1,b2,b3) \
	216	(GDBITS3(b0,b1,b2) \| GDBIT(b3))
	217	#define GDBITS5(b0,b1,b2,b3,b4) \
	218	(GDBITS4(b0,b1,b2,b3) \| GDBIT(b4))
	219	#define GDBITS6(b0,b1,b2,b3,b4,b5) \
	220	(GDBITS5(b0,b1,b2,b3,b4) \| GDBIT(b5))
	221	#define GDBITS7(b0,b1,b2,b3,b4,b5,b6) \
	222	(GDBITS6(b0,b1,b2,b3,b4,b5) \| GDBIT(b6))
	223	#define GDBITS8(b0,b1,b2,b3,b4,b5,b6,b7) \
	224	(GDBITS7(b0,b1,b2,b3,b4,b5,b6) \| GDBIT(b7))
	225	#define GDBITS9(b0,b1,b2,b3,b4,b5,b6,b7,b8) \
	226	(GDBITS8(b0,b1,b2,b3,b4,b5,b6,b7) \| GDBIT(b8))
	227	#define GDBITS10(b0,b1,b2,b3,b4,b5,b6,b7,b8,b9) \
	228	(GDBITS9(b0,b1,b2,b3,b4,b5,b6,b7,b8) \| GDBIT(b9))
	229
	230	const uint64_t gte_reg_reads[64] = {
	231	[GTE_RTPS] = 0x1f0000ff00000000ll \| GDBITS7(0,1,13,14,17,18,19),
	232	[GTE_NCLIP] = GDBITS3(12,13,14),
	233	[GTE_OP] = GCBITS3(0,2,4) \| GDBITS3(9,10,11),
	234	[GTE_DPCS] = GCBITS3(21,22,23) \| GDBITS4(6,8,21,22),
	235	[GTE_INTPL] = GCBITS3(21,22,23) \| GDBITS7(6,8,9,10,11,21,22),
	236	[GTE_MVMVA] = 0x00ffffff00000000ll \| GDBITS6(0,1,2,3,4,5), // XXX: maybe decode further?
	237	[GTE_NCDS] = 0x00ffff0000000000ll \| GDBITS5(0,1,6,21,22),
	238	[GTE_CDP] = 0x00fff00000000000ll \| GDBITS7(6,8,9,10,11,21,22),
	239	[GTE_NCDT] = 0x00ffff0000000000ll \| GDBITS8(0,1,2,3,4,5,6,8),
	240	[GTE_NCCS] = 0x00ffff0000000000ll \| GDBITS6(0,1,6,8,21,22),
	241	[GTE_CC] = 0x001fe00000000000ll \| GDBITS6(6,9,10,11,21,22),
	242	[GTE_NCS] = 0x001fff0000000000ll \| GDBITS4(0,1,21,22),
	243	[GTE_NCT] = 0x001fff0000000000ll \| GDBITS7(0,1,2,3,4,5,6),
	244	[GTE_SQR] = GDBITS3(9,10,11),
	245	[GTE_DCPL] = GCBITS3(21,22,23) \| GDBITS7(6,8,9,10,11,21,22),
	246	[GTE_DPCT] = GCBITS3(21,22,23) \| GDBITS4(8,20,21,22),
	247	[GTE_AVSZ3] = GCBIT(29) \| GDBITS3(17,18,19),
	248	[GTE_AVSZ4] = GCBIT(30) \| GDBITS4(16,17,18,19),
	249	[GTE_RTPT] = 0x1f0000ff00000000ll \| GDBITS7(0,1,2,3,4,5,19),
	250	[GTE_GPF] = GDBITS7(6,8,9,10,11,21,22),
	251	[GTE_GPL] = GDBITS10(6,8,9,10,11,21,22,25,26,27),
	252	[GTE_NCCT] = 0x001fff0000000000ll \| GDBITS7(0,1,2,3,4,5,6),
	253	};
	254
	255	// note: this excludes gteFLAG that is always written to
	256	const uint64_t gte_reg_writes[64] = {
	257	[GTE_RTPS] = 0x0f0f7f00ll,
	258	[GTE_NCLIP] = GDBIT(24),
	259	[GTE_OP] = GDBITS6(9,10,11,25,26,27),
	260	[GTE_DPCS] = GDBITS9(9,10,11,20,21,22,25,26,27),
	261	[GTE_INTPL] = GDBITS9(9,10,11,20,21,22,25,26,27),
	262	[GTE_MVMVA] = GDBITS6(9,10,11,25,26,27),
	263	[GTE_NCDS] = GDBITS9(9,10,11,20,21,22,25,26,27),
	264	[GTE_CDP] = GDBITS9(9,10,11,20,21,22,25,26,27),
	265	[GTE_NCDT] = GDBITS9(9,10,11,20,21,22,25,26,27),
	266	[GTE_NCCS] = GDBITS9(9,10,11,20,21,22,25,26,27),
	267	[GTE_CC] = GDBITS9(9,10,11,20,21,22,25,26,27),
	268	[GTE_NCS] = GDBITS9(9,10,11,20,21,22,25,26,27),
	269	[GTE_NCT] = GDBITS9(9,10,11,20,21,22,25,26,27),
	270	[GTE_SQR] = GDBITS6(9,10,11,25,26,27),
	271	[GTE_DCPL] = GDBITS9(9,10,11,20,21,22,25,26,27),
	272	[GTE_DPCT] = GDBITS9(9,10,11,20,21,22,25,26,27),
	273	[GTE_AVSZ3] = GDBITS2(7,24),
	274	[GTE_AVSZ4] = GDBITS2(7,24),
	275	[GTE_RTPT] = 0x0f0f7f00ll,
	276	[GTE_GPF] = GDBITS9(9,10,11,20,21,22,25,26,27),
	277	[GTE_GPL] = GDBITS9(9,10,11,20,21,22,25,26,27),
	278	[GTE_NCCT] = GDBITS9(9,10,11,20,21,22,25,26,27),
	279	};
	280
	281	static int ari64_init()
	282	{
	283	extern void (*psxCP2[64])();
	284	extern void psxNULL();
	285	size_t i;
	286
	287	new_dynarec_init();
	288	new_dyna_pcsx_mem_init();
	289
	290	for (i = 0; i < ARRAY_SIZE(gte_handlers); i++)
	291	if (psxCP2[i] != psxNULL)
	292	gte_handlers[i] = psxCP2[i];
	293
	294	#if !defined(DRC_DBG) && !defined(PCNT)
	295	#ifdef __arm__
	296	gte_handlers[0x06] = gteNCLIP_arm;
	297	gte_handlers_nf[0x01] = gteRTPS_nf_arm;
	298	gte_handlers_nf[0x30] = gteRTPT_nf_arm;
	299	#endif
	300	#ifdef __ARM_NEON__
	301	// compiler's _nf version is still a lot slower then neon
	302	// _nf_arm RTPS is roughly the same, RTPT slower
	303	gte_handlers[0x01] = gte_handlers_nf[0x01] = gteRTPS_neon;
	304	gte_handlers[0x30] = gte_handlers_nf[0x30] = gteRTPT_neon;
	305	gte_handlers[0x12] = gte_handlers_nf[0x12] = gteMVMVA_neon;
	306	#endif
	307	#endif
	308	#ifdef DRC_DBG
	309	memcpy(gte_handlers_nf, gte_handlers, sizeof(gte_handlers_nf));
	310	#endif
	311	psxH_ptr = psxH;
	312
	313	return 0;
	314	}
	315
	316	static void ari64_reset()
	317	{
	318	printf("ari64_reset\n");
	319	new_dyna_pcsx_mem_reset();
	320	invalidate_all_pages();
	321	new_dyna_restore();
	322	pending_exception = 1;
	323	}
	324
	325	// execute until predefined leave points
	326	// (HLE softcall exit and BIOS fastboot end)
	327	static void ari64_execute_until()
	328	{
	329	schedule_timeslice();
	330
	331	evprintf("ari64_execute %08x, %u->%u (%d)\n", psxRegs.pc,
	332	psxRegs.cycle, next_interupt, next_interupt - psxRegs.cycle);
	333
	334	new_dyna_start();
	335
	336	evprintf("ari64_execute end %08x, %u->%u (%d)\n", psxRegs.pc,
	337	psxRegs.cycle, next_interupt, next_interupt - psxRegs.cycle);
	338	}
	339
	340	static void ari64_execute()
	341	{
	342	while (!stop) {
	343	ari64_execute_until();
	344	evprintf("drc left @%08x\n", psxRegs.pc);
	345	}
	346	}
	347
	348	static void ari64_clear(u32 addr, u32 size)
	349	{
	350	u32 start, end, main_ram;
	351
	352	size = 4; / PCSX uses DMA units */
	353
	354	evprintf("ari64_clear %08x %04x\n", addr, size);
	355
	356	/* check for RAM mirrors */
	357	main_ram = (addr & 0xffe00000) == 0x80000000;
	358
	359	start = addr >> 12;
	360	end = (addr + size) >> 12;
	361
	362	for (; start <= end; start++)
	363	if (!main_ram \|\| !invalid_code[start])
	364	invalidate_block(start);
	365	}
	366
	367	static void ari64_shutdown()
	368	{
	369	new_dynarec_cleanup();
	370	}
	371
	372	extern void intExecute();
	373	extern void intExecuteT();
	374	extern void intExecuteBlock();
	375	extern void intExecuteBlockT();
	376	#ifndef DRC_DBG
	377	#define intExecuteT intExecute
	378	#define intExecuteBlockT intExecuteBlock
	379	#endif
	380
	381	R3000Acpu psxRec = {
	382	ari64_init,
	383	ari64_reset,
	384	#if defined(__arm__)
	385	ari64_execute,
	386	ari64_execute_until,
	387	#else
	388	intExecuteT,
	389	intExecuteBlockT,
	390	#endif
	391	ari64_clear,
	392	ari64_shutdown
	393	};
	394
	395	// TODO: rm
	396	#ifndef DRC_DBG
	397	void do_insn_trace() {}
	398	void do_insn_cmp() {}
	399	#endif
	400
	401	#if defined(__x86_64__) \|\| defined(__i386__)
	402	unsigned int address, readmem_word, word;
	403	unsigned short hword;
	404	unsigned char byte;
	405	int pending_exception, stop;
	406	unsigned int next_interupt;
	407	int new_dynarec_did_compile;
	408	int cycle_multiplier;
	409	void *psxH_ptr;
	410	void new_dynarec_init() {}
	411	void new_dyna_start() {}
	412	void new_dynarec_cleanup() {}
	413	void new_dynarec_clear_full() {}
	414	void invalidate_all_pages() {}
	415	void invalidate_block(unsigned int block) {}
	416	void new_dyna_pcsx_mem_init(void) {}
	417	void new_dyna_pcsx_mem_reset(void) {}
	418	void new_dyna_pcsx_mem_load_state(void) {}
	419	#endif
	420
	421	#ifdef DRC_DBG
	422
	423	#include <stddef.h>
	424	static FILE *f;
	425	extern u32 last_io_addr;
	426
	427	static void dump_mem(const char fname, void mem, size_t size)
	428	{
	429	FILE *f1 = fopen(fname, "wb");
	430	if (f1 == NULL)
	431	f1 = fopen(strrchr(fname, '/') + 1, "wb");
	432	fwrite(mem, 1, size, f1);
	433	fclose(f1);
	434	}
	435
	436	static u32 memcheck_read(u32 a)
	437	{
	438	if ((a >> 16) == 0x1f80)
	439	// scratchpad/IO
	440	return (u32 )(psxH + (a & 0xfffc));
	441
	442	if ((a >> 16) == 0x1f00)
	443	// parallel
	444	return (u32 )(psxP + (a & 0xfffc));
	445
	446	// if ((a & ~0xe0600000) < 0x200000)
	447	// RAM
	448	return (u32 )(psxM + (a & 0x1ffffc));
	449	}
	450
	451	void do_insn_trace(void)
	452	{
	453	static psxRegisters oldregs;
	454	static u32 old_io_addr = (u32)-1;
	455	static u32 old_io_data = 0xbad0c0de;
	456	u32 allregs_p = (void )&psxRegs;
	457	u32 allregs_o = (void )&oldregs;
	458	u32 io_data;
	459	int i;
	460	u8 byte;
	461
	462	//last_io_addr = 0x5e2c8;
	463	if (f == NULL)
	464	f = fopen("tracelog", "wb");
	465
	466	oldregs.code = psxRegs.code; // don't care
	467	for (i = 0; i < offsetof(psxRegisters, intCycle) / 4; i++) {
	468	if (allregs_p[i] != allregs_o[i]) {
	469	fwrite(&i, 1, 1, f);
	470	fwrite(&allregs_p[i], 1, 4, f);
	471	allregs_o[i] = allregs_p[i];
	472	}
	473	}
	474	if (old_io_addr != last_io_addr) {
	475	byte = 0xfd;
	476	fwrite(&byte, 1, 1, f);
	477	fwrite(&last_io_addr, 1, 4, f);
	478	old_io_addr = last_io_addr;
	479	}
	480	io_data = memcheck_read(last_io_addr);
	481	if (old_io_data != io_data) {
	482	byte = 0xfe;
	483	fwrite(&byte, 1, 1, f);
	484	fwrite(&io_data, 1, 4, f);
	485	old_io_data = io_data;
	486	}
	487	byte = 0xff;
	488	fwrite(&byte, 1, 1, f);
	489
	490	#if 0
	491	if (psxRegs.cycle == 190230) {
	492	dump_mem("/mnt/ntz/dev/pnd/tmp/psxram_i.dump", psxM, 0x200000);
	493	dump_mem("/mnt/ntz/dev/pnd/tmp/psxregs_i.dump", psxH, 0x10000);
	494	printf("dumped\n");
	495	exit(1);
	496	}
	497	#endif
	498	}
	499
	500	static const char *regnames[offsetof(psxRegisters, intCycle) / 4] = {
	501	"r0", "r1", "r2", "r3", "r4", "r5", "r6", "r7",
	502	"r8", "r9", "r10", "r11", "r12", "r13", "r14", "r15",
	503	"r16", "r17", "r18", "r19", "r20", "r21", "r22", "r23",
	504	"r24", "r25", "r26", "r27", "r28", "r29", "r30", "r31",
	505	"lo", "hi",
	506	"C0_0", "C0_1", "C0_2", "C0_3", "C0_4", "C0_5", "C0_6", "C0_7",
	507	"C0_8", "C0_9", "C0_10", "C0_11", "C0_12", "C0_13", "C0_14", "C0_15",
	508	"C0_16", "C0_17", "C0_18", "C0_19", "C0_20", "C0_21", "C0_22", "C0_23",
	509	"C0_24", "C0_25", "C0_26", "C0_27", "C0_28", "C0_29", "C0_30", "C0_31",
	510
	511	"C2D0", "C2D1", "C2D2", "C2D3", "C2D4", "C2D5", "C2D6", "C2D7",
	512	"C2D8", "C2D9", "C2D10", "C2D11", "C2D12", "C2D13", "C2D14", "C2D15",
	513	"C2D16", "C2D17", "C2D18", "C2D19", "C2D20", "C2D21", "C2D22", "C2D23",
	514	"C2D24", "C2D25", "C2D26", "C2D27", "C2D28", "C2D29", "C2D30", "C2D31",
	515
	516	"C2C0", "C2C1", "C2C2", "C2C3", "C2C4", "C2C5", "C2C6", "C2C7",
	517	"C2C8", "C2C9", "C2C10", "C2C11", "C2C12", "C2C13", "C2C14", "C2C15",
	518	"C2C16", "C2C17", "C2C18", "C2C19", "C2C20", "C2C21", "C2C22", "C2C23",
	519	"C2C24", "C2C25", "C2C26", "C2C27", "C2C28", "C2C29", "C2C30", "C2C31",
	520
	521	"PC", "code", "cycle", "interrupt",
	522	};
	523
	524	static struct {
	525	int reg;
	526	u32 val, val_expect;
	527	u32 pc, cycle;
	528	} miss_log[64];
	529	static int miss_log_i;
	530	#define miss_log_len (sizeof(miss_log)/sizeof(miss_log[0]))
	531	#define miss_log_mask (miss_log_len-1)
	532
	533	static void miss_log_add(int reg, u32 val, u32 val_expect, u32 pc, u32 cycle)
	534	{
	535	miss_log[miss_log_i].reg = reg;
	536	miss_log[miss_log_i].val = val;
	537	miss_log[miss_log_i].val_expect = val_expect;
	538	miss_log[miss_log_i].pc = pc;
	539	miss_log[miss_log_i].cycle = cycle;
	540	miss_log_i = (miss_log_i + 1) & miss_log_mask;
	541	}
	542
	543	void breakme() {}
	544
	545	void do_insn_cmp(void)
	546	{
	547	static psxRegisters rregs;
	548	static u32 mem_addr, mem_val;
	549	u32 allregs_p = (void )&psxRegs;
	550	u32 allregs_e = (void )&rregs;
	551	static u32 ppc, failcount;
	552	int i, ret, bad = 0;
	553	u8 code;
	554
	555	if (f == NULL)
	556	f = fopen("tracelog", "rb");
	557
	558	while (1) {
	559	if ((ret = fread(&code, 1, 1, f)) <= 0)
	560	break;
	561	if (ret <= 0)
	562	break;
	563	if (code == 0xff)
	564	break;
	565	if (code == 0xfd) {
	566	if ((ret = fread(&mem_addr, 1, 4, f)) <= 0)
	567	break;
	568	continue;
	569	}
	570	if (code == 0xfe) {
	571	if ((ret = fread(&mem_val, 1, 4, f)) <= 0)
	572	break;
	573	continue;
	574	}
	575	if ((ret = fread(&allregs_e[code], 1, 4, f)) <= 0)
	576	break;
	577	}
	578
	579	if (ret <= 0) {
	580	printf("EOF?\n");
	581	goto end;
	582	}
	583
	584	psxRegs.code = rregs.code; // don't care
	585	psxRegs.cycle = rregs.cycle;
	586	psxRegs.CP0.r[9] = rregs.CP0.r[9]; // Count
	587
	588	//if (psxRegs.cycle == 166172) breakme();
	589
	590	if (memcmp(&psxRegs, &rregs, offsetof(psxRegisters, intCycle)) == 0 &&
	591	mem_val == memcheck_read(mem_addr)
	592	) {
	593	failcount = 0;
	594	goto ok;
	595	}
	596
	597	for (i = 0; i < offsetof(psxRegisters, intCycle) / 4; i++) {
	598	if (allregs_p[i] != allregs_e[i]) {
	599	miss_log_add(i, allregs_p[i], allregs_e[i], psxRegs.pc, psxRegs.cycle);
	600	bad++;
	601	}
	602	}
	603
	604	if (mem_val != memcheck_read(mem_addr)) {
	605	printf("bad mem @%08x: %08x %08x\n", mem_addr, memcheck_read(mem_addr), mem_val);
	606	goto end;
	607	}
	608
	609	if (psxRegs.pc == rregs.pc && bad < 6 && failcount < 32) {
	610	static int last_mcycle;
	611	if (last_mcycle != psxRegs.cycle >> 20) {
	612	printf("%u\n", psxRegs.cycle);
	613	last_mcycle = psxRegs.cycle >> 20;
	614	}
	615	failcount++;
	616	goto ok;
	617	}
	618
	619	end:
	620	for (i = 0; i < miss_log_len; i++, miss_log_i = (miss_log_i + 1) & miss_log_mask)
	621	printf("bad %5s: %08x %08x, pc=%08x, cycle %u\n",
	622	regnames[miss_log[miss_log_i].reg], miss_log[miss_log_i].val,
	623	miss_log[miss_log_i].val_expect, miss_log[miss_log_i].pc, miss_log[miss_log_i].cycle);
	624	printf("-- %d\n", bad);
	625	for (i = 0; i < 8; i++)
	626	printf("r%d=%08x r%2d=%08x r%2d=%08x r%2d=%08x\n", i, allregs_p[i],
	627	i+8, allregs_p[i+8], i+16, allregs_p[i+16], i+24, allregs_p[i+24]);
	628	printf("PC: %08x/%08x, cycle %u\n", psxRegs.pc, ppc, psxRegs.cycle);
	629	dump_mem("/mnt/ntz/dev/pnd/tmp/psxram.dump", psxM, 0x200000);
	630	dump_mem("/mnt/ntz/dev/pnd/tmp/psxregs.dump", psxH, 0x10000);
	631	exit(1);
	632	ok:
	633	psxRegs.cycle = rregs.cycle + 2; // sync timing
	634	ppc = psxRegs.pc;
	635	}
	636
	637	#endif