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#include "ultra64.h"
#include "stdbool.h"
#define COLD_RESET 0
typedef struct __osExceptionVector {
/* 0x0 */ u32 ins_00; // lui k0, 0x8000
/* 0x4 */ u32 ins_04; // addiu k0, k0, 0x39E0
/* 0x8 */ u32 ins_08; // jr k0 ; __osException
/* 0xC */ u32 ins_0C; // nop
} __osExceptionVector; // size = 0x10
extern __osExceptionVector __osExceptionPreamble;
u64 osClockRate = OS_CLOCK_RATE;
s32 osViClock = VI_NTSC_CLOCK;
u32 __osShutdown = 0;
u32 __OSGlobalIntMask = OS_IM_ALL;
u32 __osFinalrom;
void __createSpeedParam(void) {
__Dom1SpeedParam.type = DEVICE_TYPE_INIT;
__Dom1SpeedParam.latency = IO_READ(PI_BSD_DOM1_LAT_REG);
__Dom1SpeedParam.pulse = IO_READ(PI_BSD_DOM1_PWD_REG);
__Dom1SpeedParam.pageSize = IO_READ(PI_BSD_DOM1_PGS_REG);
__Dom1SpeedParam.relDuration = IO_READ(PI_BSD_DOM1_RLS_REG);
__Dom2SpeedParam.type = DEVICE_TYPE_INIT;
__Dom2SpeedParam.latency = IO_READ(PI_BSD_DOM2_LAT_REG);
__Dom2SpeedParam.pulse = IO_READ(PI_BSD_DOM2_PWD_REG);
__Dom2SpeedParam.pageSize = IO_READ(PI_BSD_DOM2_PGS_REG);
__Dom2SpeedParam.relDuration = IO_READ(PI_BSD_DOM2_RLS_REG);
}
void __osInitialize_common(void) {
u32 pifdata;
__osFinalrom = 1;
__osSetSR(__osGetSR() | SR_CU1);
__osSetFpcCsr(FPCSR_FS | FPCSR_EV);
__osSetWatchLo(0x04900000);
while (__osSiRawReadIo(PIF_RAM_END - 3, &pifdata)) {}
while (__osSiRawWriteIo(PIF_RAM_END - 3, pifdata | 8)) {}
*(__osExceptionVector*)UT_VEC = __osExceptionPreamble;
*(__osExceptionVector*)XUT_VEC = __osExceptionPreamble;
*(__osExceptionVector*)ECC_VEC = __osExceptionPreamble;
*(__osExceptionVector*)E_VEC = __osExceptionPreamble;
osWritebackDCache((void*)UT_VEC, E_VEC - UT_VEC + sizeof(__osExceptionVector));
osInvalICache((void*)UT_VEC, E_VEC - UT_VEC + sizeof(__osExceptionVector));
__createSpeedParam();
osUnmapTLBAll();
osMapTLBRdb();
osClockRate = osClockRate * 3 / 4;
if (osResetType == COLD_RESET) {
bzero(osAppNMIBuffer, OS_APP_NMI_BUFSIZE);
}
if (osTvType == OS_TV_PAL) {
osViClock = VI_PAL_CLOCK;
} else if (osTvType == OS_TV_MPAL) {
osViClock = VI_MPAL_CLOCK;
} else {
osViClock = VI_NTSC_CLOCK;
}
if (__osGetCause() & CAUSE_IP5) {
while (true) {}
}
IO_WRITE(AI_CONTROL_REG, AI_CONTROL_DMA_ON);
IO_WRITE(AI_DACRATE_REG, AI_MAX_DAC_RATE - 1);
IO_WRITE(AI_BITRATE_REG, AI_MAX_BIT_RATE - 1);
}
void __osInitialize_autodetect(void) {
}
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