void * runCen64(void * p) {
struct bus_controller *bus = (struct bus_controller *) p;
struct vr4300 vr4300;
vr4300_init(&vr4300, bus);
vr4300.pipeline.icrf_latch.pc = 0xFFFFFFFF801E4B10ULL;
// Prime the pipeline...
while (vr4300.pipeline.dcwb_latch.common.pc != 0xFFFFFFFF801E4B10ULL ||
(vr4300.pipeline.dcwb_latch.common.fault ||
vr4300.pipeline.dcwb_latch.common.killed))
vr4300_cycle(&vr4300);
//printf("cmips starts at 0x%.8X... PRIMED!!\n",bus->emu->pc);
unsigned steps_compld = 0;
uint8_t *mem_at_wb = malloc(64 * 1024 * 1024);
uint8_t *mem_at_commit = malloc(64 * 1024 * 1024);
if (mem_at_wb == NULL || mem_at_commit == NULL) {
printf("MOAR mammaries required!!\n");
abort();
}
memcpy(mem_at_wb, bus->emu->mem, 64 * 1024 * 1024);
memcpy(mem_at_commit, bus->emu->mem, 64 * 1024 *1024);
while (1) {
int i;
if(pthread_mutex_lock(&emu_mutex)) {
puts("mutex failed lock, exiting");
exit(1);
}
for (i = 0; i < 10000; i++) {
#if 0
//printf(".");
//fflush(stdout);
// printf("step_mips, pc: 0x%.8X\n", bus->emu->pc);
uint32_t cmp_pc = bus->emu->pc;
step_mips(bus->emu);
do {
vr4300_cycle(&vr4300);
} while(vr4300.pipeline.last_pipe_result.fault ||
vr4300.pipeline.last_pipe_result.killed);
vr4300.pipeline.last_pipe_result.fault = ~0;
if (cmp_pc != (uint32_t) vr4300.pipeline.last_pipe_result.pc) {
printf("PC mismatch detected @ %u steps!\n", steps_compld);
printf("cmips: 0x%.8X, cen64: 0x%.8X\n",
bus->emu->pc, vr4300.pipeline.last_pipe_result.pc);
abort();
}
size_t ri;
for (ri = 1; ri < 32; ri++) {
if ((uint32_t) vr4300.regs[ri] != bus->emu->regs[ri]) {
printf("GPR[%u] mismatch detected @ 0x%.8X/%u steps!\n", ri, cmp_pc, steps_compld);
printf("cmips: 0x%.8X, cen64: 0x%.8X\n", bus->emu->regs[ri], vr4300.regs[ri]);
abort();
}
}
#if 0
else {
printf("cmips: 0x%.8X, cen64: 0x%.8X\n",
bus->emu->pc, vr4300.pipeline.last_pipe_result.pc);
}
#endif
// this is too slow
#if 1
if (steps_compld > 242180) {
//memcpy(mem_at_commit, bus->mem, 64 * 1024 * 1024);
if (steps_compld > 242182 && memcmp(mem_at_commit, bus->emu->mem, 64 * 1024 * 1024)) {
size_t k;
bool false_alarm;
for (k = 0; k < 64 * 1024 * 1024 / 4; k++) {
uint32_t cm, cm1, cm2;
memcpy(&cm, mem_at_commit + k * 4, sizeof(cm));
memcpy(&cm1, mem_at_wb + k * 4, sizeof(cm1));
memcpy(&cm2, bus->mem + k * 4, sizeof(cm2));
if (cm != bus->emu->mem[k] && cm1 != bus->emu->mem[k] && cm2 != bus->emu->mem[k]) {
printf("Memory mismatch detected @ %u steps!\n", steps_compld);
printf(" -> @addr=0x%.8X ... cmips=0x%.8X, cen64=0x%.8X\n",
(unsigned) (k * 4), bus->emu->mem[k], cm);
false_alarm = false;
break;
} else {
false_alarm = true;
break;
}
}
if (!false_alarm)
abort();
}
memcpy(mem_at_commit, mem_at_wb, 64 * 1024 * 1024);
memcpy(mem_at_wb, bus->mem, 64 * 1024 * 1024);
}
#endif
steps_compld++;
#else
vr4300_cycle(&vr4300);
#endif
}
if(pthread_mutex_unlock(&emu_mutex)) {
puts("mutex failed unlock, exiting");
exit(1);
}
}
// Creates and initializes a device.
struct cen64_device *device_create(struct cen64_device *device,
const struct rom_file *ddipl, const struct rom_file *ddrom,
const struct rom_file *pifrom, const struct rom_file *cart,
const struct save_file *eeprom, const struct save_file *sram,
const struct save_file *flashram, const struct controller *controller,
bool no_audio, bool no_video) {
// Initialize the bus.
device->bus.ai = &device->ai;
device->bus.dd = &device->dd;
device->bus.pi = &device->pi;
device->bus.ri = &device->ri;
device->bus.si = &device->si;
device->bus.vi = &device->vi;
device->bus.rdp = &device->rdp;
device->bus.rsp = &device->rsp;
device->bus.vr4300 = &device->vr4300;
// Initialize the bus.
if (bus_init(&device->bus)) {
debug("create_device: Failed to initialize the bus.\n");
return NULL;
}
// Initialize the AI.
if (ai_init(&device->ai, &device->bus, no_audio)) {
debug("create_device: Failed to initialize the AI.\n");
return NULL;
}
// Initialize the DD.
if (dd_init(&device->dd, &device->bus,
ddipl->ptr, ddrom->ptr, ddrom->size)) {
debug("create_device: Failed to initialize the DD.\n");
return NULL;
}
// Initialize the PI.
if (pi_init(&device->pi, &device->bus, cart->ptr, cart->size, sram, flashram)) {
debug("create_device: Failed to initialize the PI.\n");
return NULL;
}
// Initialize the RI.
if (ri_init(&device->ri, &device->bus)) {
debug("create_device: Failed to initialize the RI.\n");
return NULL;
}
// Initialize the SI.
if (si_init(&device->si, &device->bus, pifrom->ptr,
cart->ptr, ddipl->ptr != NULL, eeprom->ptr, eeprom->size,
controller)) {
debug("create_device: Failed to initialize the SI.\n");
return NULL;
}
// Initialize the VI.
if (vi_init(&device->vi, &device->bus, no_video)) {
debug("create_device: Failed to initialize the VI.\n");
return NULL;
}
// Initialize the RDP.
if (rdp_init(&device->rdp, &device->bus)) {
debug("create_device: Failed to initialize the RDP.\n");
return NULL;
}
// Initialize the RSP.
if (rsp_init(&device->rsp, &device->bus)) {
debug("create_device: Failed to initialize the RSP.\n");
return NULL;
}
// Initialize the VR4300.
if (vr4300_init(&device->vr4300, &device->bus)) {
debug("create_device: Failed to initialize the VR4300.\n");
return NULL;
}
return device;
}
