EXPORT unsigned int CALL DoRspCycles(unsigned int cycles)
{
static char task_debug[] = "unknown task type: 0x????????";
char* task_debug_type;
OSTask_type task_type;
register unsigned int i;
if (GET_RCP_REG(SP_STATUS_REG) & 0x00000003) {
message("SP_STATUS_HALT");
return 0x00000000;
}
task_debug_type = &task_debug[strlen("unknown task type: 0x")];
#ifdef USE_CLIENT_ENDIAN
memcpy(&task_type, DMEM + 0xFC0, 4);
#else
task_type = 0x00000000
| (u32)(DMEM[0xFC0 ^ 0] & 0xFFu) << 24
| (u32)(DMEM[0xFC1 ^ 0] & 0xFFu) << 16
| (u32)(DMEM[0xFC2 ^ 0] & 0xFFu) << 8
| (u32)(DMEM[0xFC3 ^ 0] & 0xFFu) << 0
;
#endif
switch (task_type) {
case M_GFXTASK:
if (CFG_HLE_GFX == 0)
break;
if (*(pi32)(DMEM + 0xFF0) == 0x00000000)
break; /* Resident Evil 2, null task pointers */
GET_RCP_REG(SP_STATUS_REG) |=
SP_STATUS_SIG2 | SP_STATUS_BROKE | SP_STATUS_HALT
;
#if defined(M64P_PLUGIN_API)
if (GET_RSP_INFO(ProcessDlistList) == NULL)
{ /* branch */ }
else
GET_RSP_INFO(ProcessDlistList)();
#else
if (GET_RSP_INFO(ProcessDList) == NULL)
{ /* branch */ }
else
GET_RSP_INFO(ProcessDList)();
#endif
if ((GET_RCP_REG(SP_STATUS_REG) & SP_STATUS_INTR_BREAK) && (GET_RCP_REG(SP_STATUS_REG) & (SP_STATUS_SIG2 | SP_STATUS_BROKE | SP_STATUS_HALT))) {
GET_RCP_REG(MI_INTR_REG) |= 0x00000001;
GET_RSP_INFO(CheckInterrupts)();
}
GET_RCP_REG(DPC_STATUS_REG) &= ~0x00000002ul; /* DPC_STATUS_FREEZE */
return 0;
case M_AUDTASK:
if (CFG_HLE_AUD == 0)
break;
#if defined(M64P_PLUGIN_API)
if (GET_RSP_INFO(ProcessAlistList) == NULL)
{ /* branch */ }
else
GET_RSP_INFO(ProcessAlistList)();
#else
if (GET_RSP_INFO(ProcessAList) == NULL)
{ /* branch */ }
else
GET_RSP_INFO(ProcessAList)();
#endif
GET_RCP_REG(SP_STATUS_REG) |=
SP_STATUS_SIG2 | SP_STATUS_BROKE | SP_STATUS_HALT
;
if (GET_RCP_REG(SP_STATUS_REG) & SP_STATUS_INTR_BREAK) {
GET_RCP_REG(MI_INTR_REG) |= 0x00000001;
GET_RSP_INFO(CheckInterrupts)();
}
return 0;
case M_VIDTASK:
message("M_VIDTASK");
break;
case M_NJPEGTASK:
break; /* Zelda, Pokemon, others */
case M_NULTASK:
message("M_NULTASK");
break;
case M_HVQTASK:
message("M_HVQTASK");
break;
case M_HVQMTASK:
if (GET_RSP_INFO(ShowCFB) == NULL) /* Gfx #1.2 or older specs */
break;
GET_RSP_INFO(ShowCFB)(); /* forced FB refresh in case gfx plugin skip */
break;
default:
if (task_type == 0x8BC43B5D)
break; /* CIC boot code sent to the RSP */
sprintf(task_debug_type, "%08lX", (unsigned long)task_type);
message(task_debug);
}
#ifdef WAIT_FOR_CPU_HOST
for (i = 0; i < NUMBER_OF_SCALAR_REGISTERS; i++)
MFC0_count[i] = 0;
#endif
run_task();
/*
* An optional EMMS when compiling with Intel SIMD or MMX support.
*
* Whether or not MMX has been executed in this emulator, here is a good time
* to finally empty the MM state, at the end of a long interpreter loop.
*/
#ifdef ARCH_MIN_SSE2
_mm_empty();
#endif
if (*CR[0x4] & SP_STATUS_BROKE) /* normal exit, from executing BREAK */
return (cycles);
else if (GET_RCP_REG(MI_INTR_REG) & 1) /* interrupt set by MTC0 to break */
GET_RSP_INFO(CheckInterrupts)();
else if (*CR[0x7] != 0x00000000) /* semaphore lock fixes */
{}
#ifdef WAIT_FOR_CPU_HOST
else
MF_SP_STATUS_TIMEOUT = 16; /* From now on, wait 16 times, not 32767. */
#else
else { /* ??? unknown, possibly external intervention from CPU memory map */
EXPORT unsigned int CALL DoRspCycles(unsigned int cycles)
{
OSTask_type task_type;
register unsigned int i;
if (GET_RCP_REG(SP_STATUS_REG) & 0x00000003)
{
message("SP_STATUS_HALT");
return 0x00000000;
}
task_type = 0x00000000
#ifdef USE_CLIENT_ENDIAN
| *((pi32)(DMEM + 0x000FC0U))
#else
| (u32)DMEM[0xFC0] << 24
| (u32)DMEM[0xFC1] << 16
| (u32)DMEM[0xFC2] << 8
| (u32)DMEM[0xFC3] << 0
#endif
;
switch (task_type) {
#ifdef EXTERN_COMMAND_LIST_GBI
case M_GFXTASK:
if (CFG_HLE_GFX == 0)
break;
if (*(pi32)(DMEM + 0xFF0) == 0x00000000)
break; /* Resident Evil 2, null task pointers */
GET_RCP_REG(SP_STATUS_REG) |=
SP_STATUS_SIG2 | SP_STATUS_BROKE | SP_STATUS_HALT
;
if (GET_RSP_INFO(ProcessDlistList) == NULL)
{ /* branch */ }
else
GET_RSP_INFO(ProcessDlistList)();
if ((GET_RCP_REG(SP_STATUS_REG) & SP_STATUS_INTR_BREAK) && (GET_RCP_REG(SP_STATUS_REG) & (SP_STATUS_SIG2 | SP_STATUS_BROKE | SP_STATUS_HALT))) {
GET_RCP_REG(MI_INTR_REG) |= 0x00000001;
GET_RSP_INFO(CheckInterrupts)();
}
GET_RCP_REG(DPC_STATUS_REG) &= ~0x00000002ul; /* DPC_STATUS_FREEZE */
return 0;
#endif
#ifdef EXTERN_COMMAND_LIST_ABI
case M_AUDTASK:
if (CFG_HLE_AUD == 0)
break;
if (GET_RSP_INFO(ProcessAlistList) == NULL)
{ /* branch */ }
else
GET_RSP_INFO(ProcessAlistList)();
GET_RCP_REG(SP_STATUS_REG) |=
SP_STATUS_SIG2 | SP_STATUS_BROKE | SP_STATUS_HALT
;
if (GET_RCP_REG(SP_STATUS_REG) & SP_STATUS_INTR_BREAK) {
GET_RCP_REG(MI_INTR_REG) |= 0x00000001;
GET_RSP_INFO(CheckInterrupts)();
}
return 0;
#endif
case M_VIDTASK:
message("M_VIDTASK");
break;
case M_NJPEGTASK:
break; /* Zelda, Pokemon, others */
case M_NULTASK:
message("M_NULTASK");
break;
case M_HVQTASK:
message("M_HVQTASK");
break;
case M_HVQMTASK:
if (GET_RSP_INFO(ShowCFB) == NULL) /* Gfx #1.2 or older specs */
break;
GET_RSP_INFO(ShowCFB)(); /* forced FB refresh in case gfx plugin skip */
break;
}
#ifdef WAIT_FOR_CPU_HOST
for (i = 0; i < 32; i++)
MFC0_count[i] = 0;
#endif
run_task();
/*
* An optional EMMS when compiling with Intel SIMD or MMX support.
*
* Whether or not MMX has been executed in this emulator, here is a good time
* to finally empty the MM state, at the end of a long interpreter loop.
*/
#ifdef ARCH_MIN_SSE2
_mm_empty();
#endif
if (*CR[0x4] & SP_STATUS_BROKE) /* normal exit, from executing BREAK */
return (cycles);
else if (GET_RCP_REG(MI_INTR_REG) & 1) /* interrupt set by MTC0 to break */
GET_RSP_INFO(CheckInterrupts)();
else if (*CR[0x7] != 0x00000000) /* semaphore lock fixes */
{}
#ifdef WAIT_FOR_CPU_HOST
else
MF_SP_STATUS_TIMEOUT = 16; /* From now on, wait 16 times, not 32767. */
#else
else { /* ??? unknown, possibly external intervention from CPU memory map */
