/* ============================================================================
* CreateDevice: Creates a new CEN64 device.
* ========================================================================= */
struct CEN64Device *
CreateDevice(const char *pifROMPath) {
struct AIFController *aif;
struct BusController *bus;
struct PIFController *pif;
struct RDRAMController *rdram;
struct ROMController *rom;
struct VIFController *vif;
struct VR4300 *vr4300;
struct RDP *rdp;
struct RSP *rsp;
struct CEN64Device *device;
if ((aif = CreateAIF()) == NULL)
goto release_out;
if ((pif = CreatePIF(pifROMPath)) == NULL)
goto release_aif;
if ((rom = CreateROM()) == NULL)
goto release_pif;
if ((rdp = CreateRDP()) == NULL)
goto release_rom;
if ((rdram = CreateRDRAM()) == NULL)
goto release_rdp;
if ((rsp = CreateRSP()) == NULL)
goto release_rdram;
if ((vif = CreateVIF()) == NULL)
goto release_rsp;
if ((vr4300 = CreateVR4300()) == NULL)
goto release_vif;
if ((bus = CreateBus(aif, pif, rdram, rom, vif, rdp, rsp, vr4300)) == NULL)
goto release_vr4300;
if ((device = (struct CEN64Device*) malloc(
sizeof(struct CEN64Device))) == NULL) {
debug("Failed to create all devices.");
goto release_bus;
}
device->aif = aif;
device->bus = bus;
device->pif = pif;
device->rdram = rdram;
device->rom = rom;
device->rdp = rdp;
device->rsp = rsp;
device->vif = vif;
device->vr4300 = vr4300;
return device;
/* Deallocate memory on failure. */
release_bus: DestroyBus(bus);
release_vr4300: DestroyVR4300(vr4300);
release_vif: DestroyVIF(vif);
release_rsp: DestroyRSP(rsp);
release_rdram: DestroyRDRAM(rdram);
release_rdp: DestroyRDP(rdp);
release_rom: DestroyROM(rom);
release_pif: DestroyPIF(pif);
release_aif: DestroyAIF(aif);
release_out:
return NULL;
}
/* Entry point. */
int main(int argc, const char *argv[]) {
FILE *rspUCodeFile;
struct RSP *rsp;
size_t total, size;
long i, cycles;
if (argc != 3) {
printf("Usage: %s <uCode> <Cycles>\n", argv[0]);
return 0;
}
/* Open the uCode file, create an RSP instance. */
if ((rspUCodeFile = fopen(argv[1], "rb")) == NULL) {
printf("Failed to open RSP uCode.\n");
return 1;
}
if ((rsp = CreateRSP()) == NULL) {
printf("Failed to initialize the RSP.\n");
fclose(rspUCodeFile);
return 2;
}
/* Read the uCode into the RSP. */
for (size = 0, total = 0; total < 4096; total += size) {
size = fread(rsp->imem + total, 1, 4096 - total, rspUCodeFile);
if (ferror(rspUCodeFile)) {
printf("Unable to read the uCode file.\n");
fclose(rspUCodeFile);
DestroyRSP(rsp);
return 3;
}
}
/* Read the uCode into the RSP. */
for (size = 0, total = 0; total < 4096; total += size) {
size = fread(rsp->dmem + total, 1, 4096 - total, rspUCodeFile);
if (ferror(rspUCodeFile)) {
printf("Unable to read the uCode file.\n");
fclose(rspUCodeFile);
DestroyRSP(rsp);
return 3;
}
}
fclose(rspUCodeFile);
cycles = strtol(argv[2], NULL, 10);
printf("Running RSP for %ld cycles.\n", cycles);
rsp->cp0.regs[SP_STATUS_REG] = 0; /* Unhalt. */
for (i = 0; i < cycles; i++)
CycleRSP(rsp);
RSPDumpRegisters(rsp);
return 0;
}
