static void nmi_int_handler(void)
{
// Non Maskable Interrupt -- remove interrupt event from queue
remove_interupt_event();
// setup r4300 Status flags: reset TS and SR, set BEV, ERL, and SR
g_cp0_regs[CP0_STATUS_REG] = (g_cp0_regs[CP0_STATUS_REG] & ~UINT32_C(0x00380000)) | UINT32_C(0x00500004);
g_cp0_regs[CP0_CAUSE_REG] = 0x00000000;
// simulate the soft reset code which would run from the PIF ROM
r4300_reset_soft();
// clear all interrupts, reset interrupt counters back to 0
g_cp0_regs[CP0_COUNT_REG] = 0;
g_gs_vi_counter = 0;
init_interupt();
// clear the audio status register so that subsequent write_ai() calls will work properly
g_ai.regs[AI_STATUS_REG] = 0;
// set ErrorEPC with the last instruction address
g_cp0_regs[CP0_ERROREPC_REG] = PC->addr;
// reset the r4300 internal state
if (r4300emu != CORE_PURE_INTERPRETER)
{
// clear all the compiled instruction blocks and re-initialize
free_blocks();
init_blocks();
}
// adjust ErrorEPC if we were in a delay slot, and clear the delay_slot and dyna_interp flags
if(delay_slot==1 || delay_slot==3)
{
g_cp0_regs[CP0_ERROREPC_REG]-=4;
}
delay_slot = 0;
dyna_interp = 0;
// set next instruction address to reset vector
last_addr = UINT32_C(0xa4000040);
generic_jump_to(UINT32_C(0xa4000040));
}
void gen_interupt()
{
if(!__emulation_run)
stop = 1;
if (stop == 1)
{
vi_counter = 0; // debug
dyna_stop();
}
if (savestates_job & LOADSTATE)
{
savestates_load();
savestates_job &= ~LOADSTATE;
return;
}
if (skip_jump)
{
if (q->count > Count || (Count - q->count) < 0x80000000)
next_interupt = q->count;
else
next_interupt = 0;
if (interpcore)
{
interp_addr = skip_jump;
last_addr = interp_addr;
}
else
{
unsigned int dest = skip_jump;
skip_jump=0;
jump_to(dest);
last_addr = PC->addr;
}
skip_jump=0;
return;
}
switch(q->type)
{
case SPECIAL_INT:
if (Count > 0x10000000) return;
remove_interupt_event();
add_interupt_event_count(SPECIAL_INT, 0);
return;
break;
case VI_INT:
if(vi_counter < 60)
{
if (vi_counter == 0)
cheat_apply_cheats(ENTRY_BOOT);
vi_counter++;
}
else
{
cheat_apply_cheats(ENTRY_VI);
}
updateScreen();
#ifdef WITH_LIRC
lircCheckInput();
#endif
SDL_PumpEvents();
refresh_stat();
// if paused, poll for input events
if(rompause)
{
osd_render(); // draw Paused message in case updateScreen didn't do it
SDL_GL_SwapBuffers();
while(rompause)
{
#ifdef __WIN32__
Sleep(10);
#else
struct timespec ts;
ts.tv_sec = 0;
ts.tv_nsec = 10000000;
nanosleep(&ts, NULL); // sleep for 10 milliseconds
#endif
SDL_PumpEvents();
#ifdef WITH_LIRC
lircCheckInput();
#endif //WITH_LIRC
}
}
new_vi();
if (vi_register.vi_v_sync == 0) vi_register.vi_delay = 500000;
else vi_register.vi_delay = ((vi_register.vi_v_sync + 1)*1500);
next_vi += vi_register.vi_delay;
if (vi_register.vi_status&0x40) vi_field=1-vi_field;
else vi_field=0;
remove_interupt_event();
add_interupt_event_count(VI_INT, next_vi);
MI_register.mi_intr_reg |= 0x08;
if (MI_register.mi_intr_reg & MI_register.mi_intr_mask_reg)
Cause = (Cause | 0x400) & 0xFFFFFF83;
else
return;
if ((Status & 7) != 1) return;
if (!(Status & Cause & 0xFF00)) return;
break;
case COMPARE_INT:
remove_interupt_event();
Count+=2;
add_interupt_event_count(COMPARE_INT, Compare);
Count-=2;
Cause = (Cause | 0x8000) & 0xFFFFFF83;
if ((Status & 7) != 1) return;
if (!(Status & Cause & 0xFF00)) return;
break;
case CHECK_INT:
remove_interupt_event();
break;
case SI_INT:
#ifdef WITH_LIRC
lircCheckInput();
#endif //WITH_LIRC
SDL_PumpEvents();
PIF_RAMb[0x3F] = 0x0;
remove_interupt_event();
MI_register.mi_intr_reg |= 0x02;
si_register.si_stat |= 0x1000;
if (MI_register.mi_intr_reg & MI_register.mi_intr_mask_reg)
Cause = (Cause | 0x400) & 0xFFFFFF83;
else
return;
if ((Status & 7) != 1) return;
if (!(Status & Cause & 0xFF00)) return;
break;
case PI_INT:
remove_interupt_event();
MI_register.mi_intr_reg |= 0x10;
pi_register.read_pi_status_reg &= ~3;
if (MI_register.mi_intr_reg & MI_register.mi_intr_mask_reg)
Cause = (Cause | 0x400) & 0xFFFFFF83;
else
return;
if ((Status & 7) != 1) return;
if (!(Status & Cause & 0xFF00)) return;
break;
case AI_INT:
if (ai_register.ai_status & 0x80000000) // full
{
unsigned int ai_event = get_event(AI_INT);
remove_interupt_event();
ai_register.ai_status &= ~0x80000000;
ai_register.current_delay = ai_register.next_delay;
ai_register.current_len = ai_register.next_len;
add_interupt_event_count(AI_INT, ai_event+ai_register.next_delay);
MI_register.mi_intr_reg |= 0x04;
if (MI_register.mi_intr_reg & MI_register.mi_intr_mask_reg)
Cause = (Cause | 0x400) & 0xFFFFFF83;
else
return;
if ((Status & 7) != 1) return;
if (!(Status & Cause & 0xFF00)) return;
}
else
{
remove_interupt_event();
ai_register.ai_status &= ~0x40000000;
//-------
MI_register.mi_intr_reg |= 0x04;
if (MI_register.mi_intr_reg & MI_register.mi_intr_mask_reg)
Cause = (Cause | 0x400) & 0xFFFFFF83;
else
return;
if ((Status & 7) != 1) return;
if (!(Status & Cause & 0xFF00)) return;
}
break;
case SP_INT:
remove_interupt_event();
sp_register.sp_status_reg |= 0x303;
//sp_register.signal1 = 1;
sp_register.signal2 = 1;
sp_register.broke = 1;
sp_register.halt = 1;
if (!sp_register.intr_break) return;
MI_register.mi_intr_reg |= 0x01;
if (MI_register.mi_intr_reg & MI_register.mi_intr_mask_reg)
Cause = (Cause | 0x400) & 0xFFFFFF83;
else
return;
if ((Status & 7) != 1) return;
if (!(Status & Cause & 0xFF00)) return;
break;
case DP_INT:
remove_interupt_event();
dpc_register.dpc_status &= ~2;
dpc_register.dpc_status |= 0x81;
MI_register.mi_intr_reg |= 0x20;
if (MI_register.mi_intr_reg & MI_register.mi_intr_mask_reg)
Cause = (Cause | 0x400) & 0xFFFFFF83;
else
return;
if ((Status & 7) != 1) return;
if (!(Status & Cause & 0xFF00)) return;
break;
case HW2_INT:
// Hardware Interrupt 2 -- remove interrupt event from queue
remove_interupt_event();
// setup r4300 Status flags: reset TS, and SR, set IM2
Status = (Status & ~0x00380000) | 0x1000;
Cause = (Cause | 0x1000) & 0xFFFFFF83;
/* the exception_general() call below will jump to the interrupt vector (0x80000180) and setup the
* interpreter or dynarec
*/
break;
case NMI_INT:
// Non Maskable Interrupt -- remove interrupt event from queue
remove_interupt_event();
// setup r4300 Status flags: reset TS and SR, set BEV, ERL, and SR
Status = (Status & ~0x00380000) | 0x00500004;
Cause = 0x00000000;
// simulate the soft reset code which would run from the PIF ROM
r4300_reset_soft();
// clear all interrupts, reset interrupt counters back to 0
Count = 0;
vi_counter = 0;
init_interupt();
// clear the audio status register so that subsequent write_ai() calls will work properly
ai_register.ai_status = 0;
// reset the r4300 internal state
if (interpcore) /* pure interpreter only */
{
// set ErrorEPC with last instruction address and set next instruction address to reset vector
ErrorEPC = interp_addr;
interp_addr = 0xa4000040;
last_addr = interp_addr;
}
else /* decode-cached interpreter or dynamic recompiler */
{
int i;
// clear all the compiled instruction blocks
for (i=0; i<0x100000; i++)
{
if (blocks[i])
{
if (blocks[i]->block) { free(blocks[i]->block); blocks[i]->block = NULL; }
if (blocks[i]->code) { free(blocks[i]->code); blocks[i]->code = NULL; }
if (blocks[i]->jumps_table) { free(blocks[i]->jumps_table); blocks[i]->jumps_table = NULL; }
if (blocks[i]->riprel_table) { free(blocks[i]->riprel_table); blocks[i]->riprel_table = NULL; }
free(blocks[i]);
blocks[i] = NULL;
}
}
// re-initialize
init_blocks();
// jump to the start
ErrorEPC = PC->addr;
jump_to(0xa4000040);
last_addr = PC->addr;
}
// adjust ErrorEPC if we were in a delay slot, and clear the delay_slot and dyna_interp flags
if(delay_slot==1 || delay_slot==3)
{
ErrorEPC-=4;
}
delay_slot = 0;
dyna_interp = 0;
return;
default:
remove_interupt_event();
break;
}
#ifdef NEW_DYNAREC
EPC = pcaddr;
pcaddr = 0x80000180;
Status |= 2;
Cause &= 0x7FFFFFFF;
pending_exception=1;
#else
exception_general();
#endif
if (savestates_job & SAVESTATE)
{
savestates_save();
savestates_job &= ~SAVESTATE;
}
}
void gen_interupt(void)
{
if (stop == 1)
{
vi_counter = 0; // debug
dyna_stop();
}
if (!interupt_unsafe_state)
{
if (savestates_get_job() == savestates_job_load)
{
savestates_load();
return;
}
if (reset_hard_job)
{
reset_hard();
reset_hard_job = 0;
return;
}
}
if (skip_jump)
{
unsigned int dest = skip_jump;
skip_jump = 0;
if (q->count > Count || (Count - q->count) < 0x80000000)
next_interupt = q->count;
else
next_interupt = 0;
last_addr = dest;
generic_jump_to(dest);
return;
}
switch(q->type)
{
case SPECIAL_INT:
if (Count > 0x10000000) return;
remove_interupt_event();
add_interupt_event_count(SPECIAL_INT, 0);
return;
break;
case VI_INT:
if(vi_counter < 60)
{
if (vi_counter == 0)
cheat_apply_cheats(ENTRY_BOOT);
vi_counter++;
}
else
{
cheat_apply_cheats(ENTRY_VI);
}
gfx.updateScreen();
#ifdef WITH_LIRC
lircCheckInput();
#endif
SDL_PumpEvents();
refresh_stat();
// if paused, poll for input events
if(rompause)
{
osd_render(); // draw Paused message in case gfx.updateScreen didn't do it
VidExt_GL_SwapBuffers();
while(rompause)
{
SDL_Delay(10);
SDL_PumpEvents();
#ifdef WITH_LIRC
lircCheckInput();
#endif //WITH_LIRC
}
}
new_vi();
if (vi_register.vi_v_sync == 0) vi_register.vi_delay = 500000;
else vi_register.vi_delay = ((vi_register.vi_v_sync + 1)*1500);
next_vi += vi_register.vi_delay;
if (vi_register.vi_status&0x40) vi_field=1-vi_field;
else vi_field=0;
remove_interupt_event();
add_interupt_event_count(VI_INT, next_vi);
MI_register.mi_intr_reg |= 0x08;
if (MI_register.mi_intr_reg & MI_register.mi_intr_mask_reg)
Cause = (Cause | 0x400) & 0xFFFFFF83;
else
return;
if ((Status & 7) != 1) return;
if (!(Status & Cause & 0xFF00)) return;
break;
case COMPARE_INT:
remove_interupt_event();
Count+=count_per_op;
add_interupt_event_count(COMPARE_INT, Compare);
Count-=count_per_op;
Cause = (Cause | 0x8000) & 0xFFFFFF83;
if ((Status & 7) != 1) return;
if (!(Status & Cause & 0xFF00)) return;
break;
case CHECK_INT:
remove_interupt_event();
break;
case SI_INT:
#ifdef WITH_LIRC
lircCheckInput();
#endif //WITH_LIRC
SDL_PumpEvents();
PIF_RAMb[0x3F] = 0x0;
remove_interupt_event();
MI_register.mi_intr_reg |= 0x02;
si_register.si_stat |= 0x1000;
if (MI_register.mi_intr_reg & MI_register.mi_intr_mask_reg)
Cause = (Cause | 0x400) & 0xFFFFFF83;
else
return;
if ((Status & 7) != 1) return;
if (!(Status & Cause & 0xFF00)) return;
break;
case PI_INT:
remove_interupt_event();
MI_register.mi_intr_reg |= 0x10;
pi_register.read_pi_status_reg &= ~3;
if (MI_register.mi_intr_reg & MI_register.mi_intr_mask_reg)
Cause = (Cause | 0x400) & 0xFFFFFF83;
else
return;
if ((Status & 7) != 1) return;
if (!(Status & Cause & 0xFF00)) return;
break;
case AI_INT:
if (ai_register.ai_status & 0x80000000) // full
{
unsigned int ai_event = get_event(AI_INT);
remove_interupt_event();
ai_register.ai_status &= ~0x80000000;
ai_register.current_delay = ai_register.next_delay;
ai_register.current_len = ai_register.next_len;
add_interupt_event_count(AI_INT, ai_event+ai_register.next_delay);
MI_register.mi_intr_reg |= 0x04;
if (MI_register.mi_intr_reg & MI_register.mi_intr_mask_reg)
Cause = (Cause | 0x400) & 0xFFFFFF83;
else
return;
if ((Status & 7) != 1) return;
if (!(Status & Cause & 0xFF00)) return;
}
else
{
remove_interupt_event();
ai_register.ai_status &= ~0x40000000;
//-------
MI_register.mi_intr_reg |= 0x04;
if (MI_register.mi_intr_reg & MI_register.mi_intr_mask_reg)
Cause = (Cause | 0x400) & 0xFFFFFF83;
else
return;
if ((Status & 7) != 1) return;
if (!(Status & Cause & 0xFF00)) return;
}
break;
case SP_INT:
remove_interupt_event();
sp_register.sp_status_reg |= 0x203;
// sp_register.sp_status_reg |= 0x303;
if (!(sp_register.sp_status_reg & 0x40)) return; // !intr_on_break
MI_register.mi_intr_reg |= 0x01;
if (MI_register.mi_intr_reg & MI_register.mi_intr_mask_reg)
Cause = (Cause | 0x400) & 0xFFFFFF83;
else
return;
if ((Status & 7) != 1) return;
if (!(Status & Cause & 0xFF00)) return;
break;
case DP_INT:
remove_interupt_event();
dpc_register.dpc_status &= ~2;
dpc_register.dpc_status |= 0x81;
MI_register.mi_intr_reg |= 0x20;
if (MI_register.mi_intr_reg & MI_register.mi_intr_mask_reg)
Cause = (Cause | 0x400) & 0xFFFFFF83;
else
return;
if ((Status & 7) != 1) return;
if (!(Status & Cause & 0xFF00)) return;
break;
case HW2_INT:
// Hardware Interrupt 2 -- remove interrupt event from queue
remove_interupt_event();
// setup r4300 Status flags: reset TS, and SR, set IM2
Status = (Status & ~0x00380000) | 0x1000;
Cause = (Cause | 0x1000) & 0xFFFFFF83;
/* the exception_general() call below will jump to the interrupt vector (0x80000180) and setup the
* interpreter or dynarec
*/
break;
case NMI_INT:
// Non Maskable Interrupt -- remove interrupt event from queue
remove_interupt_event();
// setup r4300 Status flags: reset TS and SR, set BEV, ERL, and SR
Status = (Status & ~0x00380000) | 0x00500004;
Cause = 0x00000000;
// simulate the soft reset code which would run from the PIF ROM
r4300_reset_soft();
// clear all interrupts, reset interrupt counters back to 0
Count = 0;
vi_counter = 0;
init_interupt();
// clear the audio status register so that subsequent write_ai() calls will work properly
ai_register.ai_status = 0;
// set ErrorEPC with the last instruction address
ErrorEPC = PC->addr;
// reset the r4300 internal state
if (r4300emu != CORE_PURE_INTERPRETER)
{
// clear all the compiled instruction blocks and re-initialize
free_blocks();
init_blocks();
}
// adjust ErrorEPC if we were in a delay slot, and clear the delay_slot and dyna_interp flags
if(delay_slot==1 || delay_slot==3)
{
ErrorEPC-=4;
}
delay_slot = 0;
dyna_interp = 0;
// set next instruction address to reset vector
last_addr = 0xa4000040;
generic_jump_to(0xa4000040);
return;
default:
DebugMessage(M64MSG_ERROR, "Unknown interrupt queue event type %.8X.", q->type);
remove_interupt_event();
break;
}
#ifdef NEW_DYNAREC
if (r4300emu == CORE_DYNAREC) {
EPC = pcaddr;
pcaddr = 0x80000180;
Status |= 2;
Cause &= 0x7FFFFFFF;
pending_exception=1;
} else {
exception_general();
}
#else
exception_general();
#endif
if (!interupt_unsafe_state)
{
if (savestates_get_job() == savestates_job_save)
{
savestates_save();
return;
}
}
}
int main(int argc, char* argv[])
{
struct sigaction sa;
sa.sa_flags = SA_SIGINFO | SA_NODEFER;
sigemptyset(&sa.sa_mask);
sa.sa_sigaction = handler;
sigaction(SIGSEGV, &sa, NULL);
sigaction(SIGABRT, &sa, NULL);
sigaction(SIGILL, &sa, NULL);
sigaction(SIGINT, &sa, NULL);
sigaction(SIGFPE, &sa, NULL);
printf("R4300 Recompiler\n\n");
#ifndef TEST
printf("Opening %s\n",argv[1]);
#endif
FILE *fPtr;
uint32_t romlength = 0U;
#ifndef TEST
if (argc <= 1) fPtr = fopen("m64p_test_rom.v64", "rb");
else fPtr = fopen(argv[1], "rb");
if (fPtr == NULL) return 2;
fseek(fPtr, 0L, SEEK_END);
romlength = ftell(fPtr);
fseek(fPtr, 0L, SEEK_SET);
#else
romlength = 2000U;
#endif
if (mmap((uint32_t*)(MMAP_BASE)
, MMAP_BASE_SIZE + romlength
, PROT_READ|PROT_WRITE|PROT_EXEC
, MAP_PRIVATE| MAP_FIXED | MAP_ANONYMOUS
, -1
, 0 ) != (uint32_t*)(MMAP_BASE))
{
printf("Could not mmap\n");
return 1;
}
if (mmap((uint32_t*)(MMAP_PIF_BOOT_ROM)
, 4096
, PROT_READ|PROT_WRITE|PROT_EXEC
, MAP_PRIVATE| MAP_FIXED | MAP_ANONYMOUS
, -1
, 0 ) != (uint32_t*)(MMAP_PIF_BOOT_ROM))
{
printf("Could not mmap PIF area\n");
return 1;
}
#ifdef TEST
//Generate helper functions
GenerateCodeSegmentData(romlength);
//Start testing
Translation_Test(&segmentData);
#else
unsigned char imagetype;
m64p_rom_header ROM_HEADER;
if (fread((uint32_t*)ROM_ADDRESS , 1, romlength, fPtr) != romlength)
{
printf("could not read ROM\n");
return 3;
}
swap_rom((unsigned char*)ROM_ADDRESS, &imagetype, romlength);
memcpy(&ROM_HEADER, (uint32_t*)ROM_ADDRESS, sizeof(m64p_rom_header));
ROM_PARAMS.systemtype = rom_country_code_to_system_type(ROM_HEADER.Country_code);
printf("Name: %s\n", ROM_HEADER.Name);
printf("Rom size: %ld bytes (or %ld Mb or %ld Megabits)\n", romlength, romlength/1024/1024, romlength/1024/1024*8);
printf("ClockRate = %x\n", sl(ROM_HEADER.ClockRate));
printf("Version: %x\n", sl(ROM_HEADER.Release));
printf("PC = 0x%x\n\n", sl((unsigned int)ROM_HEADER.PC));
int x;
#if 1
for (x=0; x< romlength/4; x++)
*((uint32_t*)ROM_ADDRESS + x) = sl(*((uint32_t*)ROM_ADDRESS + x));
#endif
#if 0
for (x=0x40/4; x< 200; x++ )
{
mips_print((uint32_t)((uint32_t*)ROM_ADDRESS + x), *((uint32_t*)ROM_ADDRESS + x));
}
printf("----------------------------\n");
#endif
//Find all code where we don't know which registers are used
#if 0
printf("Unknown register usage on these instructions:\n\n");
for (x=0x40/4; x< romlength/4; x++ )
{
uint32_t temp;
if (ops_regs_input(((uint32_t*)ROM_ADDRESS)[x],&temp,&temp,&temp) == 2
|| ops_regs_output(((uint32_t*)ROM_ADDRESS)[x],&temp,&temp,&temp) == 2) mips_print((uint32_t*)ROM_ADDRESS + x, ((uint32_t*)ROM_ADDRESS)[x]);
}
printf("----------------------------\n");
#endif
GenerateCodeSegmentData(romlength);
#if 0
printf("MIPS Address Length Regs-cpu fpu sp used Next Block type 2=end,3=br\n");
nextCodeSeg = segmentData->StaticSegments;
int count =0;
while (nextCodeSeg != NULL && count < 20)
{
count++;
if (nextCodeSeg->MIPSReturnRegister)
{
printf("0x%08X 0x%08X %5d 0x%08X %08X %03X %2d r%d\n",
(uint32_t)nextCodeSeg->MIPScode,
(uint32_t)(nextCodeSeg->MIPScode+nextCodeSeg->MIPScodeLen),
nextCodeSeg->MIPScodeLen,
nextCodeSeg->MIPSRegistersUsed[0],
nextCodeSeg->MIPSRegistersUsed[1],
nextCodeSeg->MIPSRegistersUsed[2],
nextCodeSeg->MIPSRegistersUsedCount,
nextCodeSeg->MIPSReturnRegister);
}
else
{
printf("0x%08X 0x%08X %5d 0x%08X %08X %02X %2d 0x%08X %d\n",
(uint32_t)nextCodeSeg->MIPScode,
(uint32_t)(nextCodeSeg->MIPScode+nextCodeSeg->MIPScodeLen),
nextCodeSeg->MIPScodeLen,
nextCodeSeg->MIPSRegistersUsed[0],
nextCodeSeg->MIPSRegistersUsed[1],
nextCodeSeg->MIPSRegistersUsed[2],
nextCodeSeg->MIPSRegistersUsedCount,
(uint32_t)nextCodeSeg->MIPSnextInstructionIndex,
nextCodeSeg->Type);
}
nextCodeSeg = nextCodeSeg->next;
}
printf("----------------------------\n");
#endif
printf("%d code segments generated\n", segmentData.count);
printf("&segmentData.dbgCurrentSegment = 0x%08x\n", (uint32_t)&segmentData.dbgCurrentSegment);
// Instruction Counts for input ROM
#if 0
code_seg_t* nextCodeSeg;
uint32_t ins_count[sizeof_mips_op_t];
uint32_t ins_count_total=0;
memset(ins_count,0,sizeof(ins_count));
nextCodeSeg = segmentData.StaticSegments;
while (nextCodeSeg)
{
for (x=0; x < nextCodeSeg->MIPScodeLen; x++)
{
ins_count[STRIP(ops_type(*(nextCodeSeg->MIPScode + x)))] ++;
ins_count_total++;
}
nextCodeSeg = nextCodeSeg->next;
}
for (x=0; x < sizeof_mips_op_t; x++)
{
if (ins_count[x])
{
printf("%-9s %7d (%2.2f%%)\n",Instruction_ascii[x], ins_count[x], (double)ins_count[x] * 100 / ins_count_total);
}
}
printf("----------------------------\n");
#endif
r4300_reset_hard();
r4300_reset_soft();
printf("\nFinished processing ROM\n");
#endif
while (Debugger_start(&segmentData, NULL, NULL));
// Clean up Recompiler
freeCodeSegmentData();
munmap((uint32_t*)MMAP_BASE, MMAP_BASE_SIZE + romlength);
munmap((uint32_t*)MMAP_PIF_BOOT_ROM, 4096);
printf("\nEND\n");
return 0;
}
/*********************************************************************************************************
* emulation thread - runs the core
*/
m64p_error main_run(void)
{
VILimit = (float) GetVILimit();
VILimitMilliseconds = (double) 1000.0/VILimit;
/* take the r4300 emulator mode from the config file at this point and cache it in a global variable */
r4300emu = ConfigGetParamInt(g_CoreConfig, "R4300Emulator");
/* set some other core parameters based on the config file values */
savestates_set_autoinc_slot(ConfigGetParamBool(g_CoreConfig, "AutoStateSlotIncrement"));
savestates_select_slot(ConfigGetParamInt(g_CoreConfig, "CurrentStateSlot"));
no_compiled_jump = ConfigGetParamBool(g_CoreConfig, "NoCompiledJump");
/* set up the SDL key repeat and event filter to catch keyboard/joystick commands for the core */
event_initialize();
// initialize memory, and do byte-swapping if it's not been done yet
if (g_MemHasBeenBSwapped == 0)
{
init_memory(1);
g_MemHasBeenBSwapped = 1;
}
else
{
init_memory(0);
}
// Attach rom to plugins
if (!romOpen_gfx())
{
free_memory(); SDL_Quit(); return M64ERR_PLUGIN_FAIL;
}
if (!romOpen_audio())
{
romClosed_gfx(); free_memory(); SDL_Quit(); return M64ERR_PLUGIN_FAIL;
}
if (!romOpen_input())
{
romClosed_audio(); romClosed_gfx(); free_memory(); SDL_Quit(); return M64ERR_PLUGIN_FAIL;
}
if (ConfigGetParamBool(g_CoreConfig, "OnScreenDisplay"))
{
// init on-screen display
int width = 640, height = 480;
readScreen(NULL, &width, &height, 0); // read screen to get width and height
osd_init(width, height);
}
// setup rendering callback from video plugin to the core, for screenshots and On-Screen-Display
setRenderingCallback(video_plugin_render_callback);
#ifdef WITH_LIRC
lircStart();
#endif // WITH_LIRC
#ifdef DBG
if (ConfigGetParamBool(g_CoreConfig, "EnableDebugger"))
init_debugger();
#endif
/* Startup message on the OSD */
osd_new_message(OSD_MIDDLE_CENTER, "Mupen64Plus Started...");
g_EmulatorRunning = 1;
StateChanged(M64CORE_EMU_STATE, M64EMU_RUNNING);
/* call r4300 CPU core and run the game */
r4300_reset_hard();
r4300_reset_soft();
r4300_execute();
#ifdef WITH_LIRC
lircStop();
#endif // WITH_LIRC
#ifdef DBG
if (g_DebuggerActive)
destroy_debugger();
#endif
if (ConfigGetParamBool(g_CoreConfig, "OnScreenDisplay"))
{
osd_exit();
}
romClosed_RSP();
romClosed_input();
romClosed_audio();
romClosed_gfx();
free_memory();
// clean up
g_EmulatorRunning = 0;
StateChanged(M64CORE_EMU_STATE, M64EMU_STOPPED);
SDL_Quit();
return M64ERR_SUCCESS;
}
/*********************************************************************************************************
* emulation thread - runs the core
*/
m64p_error main_init(void)
{
size_t i;
unsigned int disable_extra_mem;
static int channels[] = { 0, 1, 2, 3 };
/* take the r4300 emulator mode from the config file at this point and cache it in a global variable */
r4300emu = ConfigGetParamInt(g_CoreConfig, "R4300Emulator");
/* set some other core parameters based on the config file values */
no_compiled_jump = ConfigGetParamBool(g_CoreConfig, "NoCompiledJump");
disable_extra_mem = ConfigGetParamInt(g_CoreConfig, "DisableExtraMem");
#if 0
count_per_op = ConfigGetParamInt(g_CoreConfig, "CountPerOp");
#endif
if (count_per_op <= 0)
count_per_op = 2;
/* do byte-swapping if it's not been done yet */
if (g_MemHasBeenBSwapped == 0)
{
swap_buffer(g_rom, 4, g_rom_size / 4);
g_MemHasBeenBSwapped = 1;
}
if (g_DDMemHasBeenBSwapped == 0)
{
swap_buffer(g_ddrom, 4, g_ddrom_size / 4);
g_DDMemHasBeenBSwapped = 1;
}
connect_all(&g_r4300, &g_dp, &g_sp,
&g_ai, &g_pi, &g_ri, &g_si, &g_vi, &g_dd,
g_rdram, (disable_extra_mem == 0) ? 0x800000 : 0x400000,
g_rom, g_rom_size, g_ddrom, g_ddrom_size, g_dd_disk, g_dd_disk_size);
init_memory();
// Attach rom to plugins
printf("Gfx RomOpen.\n");
if (!gfx.romOpen())
{
printf("Gfx RomOpen failed.\n");
return M64ERR_PLUGIN_FAIL;
}
printf("Input RomOpen.\n");
if (!input.romOpen())
{
printf("Input RomOpen failed.\n");
gfx.romClosed();
return M64ERR_PLUGIN_FAIL;
}
/* connect external time source to AF_RTC component */
g_si.pif.af_rtc.user_data = NULL;
g_si.pif.af_rtc.get_time = get_time_using_C_localtime;
/* connect external game controllers */
for(i = 0; i < GAME_CONTROLLERS_COUNT; ++i)
{
g_si.pif.controllers[i].user_data = &channels[i];
g_si.pif.controllers[i].is_connected = egcvip_is_connected;
g_si.pif.controllers[i].get_input = egcvip_get_input;
}
/* connect external rumblepaks */
for(i = 0; i < GAME_CONTROLLERS_COUNT; ++i)
{
g_si.pif.controllers[i].rumblepak.user_data = &channels[i];
g_si.pif.controllers[i].rumblepak.rumble = rvip_rumble;
}
/* connect saved_memory.mempacks to mempaks */
for(i = 0; i < GAME_CONTROLLERS_COUNT; ++i)
{
g_si.pif.controllers[i].mempak.user_data = NULL;
g_si.pif.controllers[i].mempak.save = dummy_save;
g_si.pif.controllers[i].mempak.data = &saved_memory.mempack[i][0];
}
/* connect saved_memory.eeprom to eeprom */
g_si.pif.eeprom.user_data = NULL;
g_si.pif.eeprom.save = dummy_save;
g_si.pif.eeprom.data = saved_memory.eeprom;
if (ROM_SETTINGS.savetype != EEPROM_16KB)
{
/* 4kbits EEPROM */
g_si.pif.eeprom.size = 0x200;
g_si.pif.eeprom.id = 0x8000;
}
else
{
/* 16kbits EEPROM */
g_si.pif.eeprom.size = 0x800;
g_si.pif.eeprom.id = 0xc000;
}
/* connect saved_memory.flashram to flashram */
g_pi.flashram.user_data = NULL;
g_pi.flashram.save = dummy_save;
g_pi.flashram.data = saved_memory.flashram;
/* connect saved_memory.sram to SRAM */
g_pi.sram.user_data = NULL;
g_pi.sram.save = dummy_save;
g_pi.sram.data = saved_memory.sram;
#ifdef DBG
if (ConfigGetParamBool(g_CoreConfig, "EnableDebugger"))
init_debugger();
#endif
g_EmulatorRunning = 1;
StateChanged(M64CORE_EMU_STATE, M64EMU_RUNNING);
/* call r4300 CPU core and run the game */
r4300_reset_hard();
r4300_reset_soft();
r4300_init();
return M64ERR_SUCCESS;
}
/*********************************************************************************************************
* emulation thread - runs the core
*/
m64p_error main_run(void)
{
DebugMessage(M64MSG_STATUS, "Main Run!");
VILimit = (float) GetVILimit();
VILimitMilliseconds = (double) 1000.0/VILimit;
/* take the r4300 emulator mode from the config file at this point and cache it in a global variable */
r4300emu = ConfigGetParamInt(g_CoreConfig, "R4300Emulator");
/* set some other core parameters based on the config file values */
savestates_set_autoinc_slot(ConfigGetParamBool(g_CoreConfig, "AutoStateSlotIncrement"));
savestates_select_slot(ConfigGetParamInt(g_CoreConfig, "CurrentStateSlot"));
no_compiled_jump = ConfigGetParamBool(g_CoreConfig, "NoCompiledJump");
/* set up the SDL key repeat and event filter to catch keyboard/joystick commands for the core */
event_initialize();
// initialize memory, and do byte-swapping if it's not been done yet
if (g_MemHasBeenBSwapped == 0)
{
init_memory(1);
g_MemHasBeenBSwapped = 1;
}
else
{
init_memory(0);
}
// Attach rom to plugins
if (!romOpen_gfx())
{
free_memory(); return M64ERR_PLUGIN_FAIL;
}
DebugMessage(M64MSG_STATUS, "Graphics Plugin Opened!");
if (!romOpen_audio())
{
romClosed_gfx(); free_memory(); return M64ERR_PLUGIN_FAIL;
}
DebugMessage(M64MSG_STATUS, "Audio Plugin Opened!");
if (!romOpen_input())
{
romClosed_audio(); romClosed_gfx(); free_memory(); return M64ERR_PLUGIN_FAIL;
}
DebugMessage(M64MSG_STATUS, "Input Plugin Opened!");
printf("Plugins opened!\n");fflush(stdout);
#ifdef WITH_LIRC
lircStart();
#endif // WITH_LIRC
#ifdef DBG
if (ConfigGetParamBool(g_CoreConfig, "EnableDebugger"))
init_debugger();
#endif
//PumpEvents();
g_EmulatorRunning = 1;
StateChanged(M64CORE_EMU_STATE, M64EMU_RUNNING);
DebugMessage(M64MSG_STATUS, "Starting to reset r4300!");fflush(stdout);
/* call r4300 CPU core and run the game */
r4300_reset_hard();
r4300_reset_soft();
DebugMessage(M64MSG_STATUS, "About to execute!");
fflush(stdout);
r4300_execute();
#ifdef WITH_LIRC
lircStop();
#endif // WITH_LIRC
#ifdef DBG
if (g_DebuggerActive)
destroy_debugger();
#endif
romClosed_RSP();
romClosed_input();
romClosed_audio();
romClosed_gfx();
free_memory();
// clean up
g_EmulatorRunning = 0;
StateChanged(M64CORE_EMU_STATE, M64EMU_STOPPED);
//PDL_Quit();
SDL_Quit();
return M64ERR_SUCCESS;
}
