1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
|
#include "global.h"
typedef struct {
u32 ins_00; // lui k0, 0x8000
u32 ins_04; // addiu k0, k0, 0x39E0
u32 ins_08; // jr k0 ; __osException
u32 ins_0C; // nop
} struct_exceptionPreamble;
u64 osClockRate = OS_CLOCK_RATE;
s32 osViClock = VI_NTSC_CLOCK;
u32 __osShutdown = 0;
OSHWIntr __OSGlobalIntMask = OS_IM_ALL;
u32 D_800145C0;
void __createSpeedParam(void) {
__Dom1SpeedParam.type = DEVICE_TYPE_INIT;
__Dom1SpeedParam.latency = HW_REG(PI_BSD_DOM1_LAT_REG, u32);
__Dom1SpeedParam.pulse = HW_REG(PI_BSD_DOM1_PWD_REG, u32);
__Dom1SpeedParam.pageSize = HW_REG(PI_BSD_DOM1_PGS_REG, u32);
__Dom1SpeedParam.relDuration = HW_REG(PI_BSD_DOM1_RLS_REG, u32);
__Dom2SpeedParam.type = DEVICE_TYPE_INIT;
__Dom2SpeedParam.latency = HW_REG(PI_BSD_DOM2_LAT_REG, u32);
__Dom2SpeedParam.pulse = HW_REG(PI_BSD_DOM2_PWD_REG, u32);
__Dom2SpeedParam.pageSize = HW_REG(PI_BSD_DOM2_PGS_REG, u32);
__Dom2SpeedParam.relDuration = HW_REG(PI_BSD_DOM2_RLS_REG, u32);
}
void __osInitialize_common(void) {
u32 sp2C;
D_800145C0 = 1;
__osSetSR(__osGetSR() | SR_CU1);
__osSetFpcCsr(FPCSR_FS | FPCSR_EV);
__osSetWatchLo(0x4900000);
while (__osSiRawReadIo((void*)(PIF_RAM_START + 0x3C), &sp2C)) {
;
}
while (__osSiRawWriteIo((void*)(PIF_RAM_START + 0x3C), sp2C | 8)) {
;
}
*(struct_exceptionPreamble*)UT_VEC = *(struct_exceptionPreamble*)__osExceptionPreamble; // TLB miss
*(struct_exceptionPreamble*)XUT_VEC = *(struct_exceptionPreamble*)__osExceptionPreamble; // XTLB miss
*(struct_exceptionPreamble*)ECC_VEC = *(struct_exceptionPreamble*)__osExceptionPreamble; // cache errors
*(struct_exceptionPreamble*)E_VEC = *(struct_exceptionPreamble*)__osExceptionPreamble; // general exceptions
osWritebackDCache(K0BASE, E_VEC - K0BASE + sizeof(struct_exceptionPreamble));
osInvalICache(K0BASE, E_VEC - K0BASE + sizeof(struct_exceptionPreamble));
__createSpeedParam();
osUnmapTLBAll();
osMapTLBRdb();
osClockRate = (u64)((osClockRate * 3ll) / 4ull);
if (!osResetType) {
bzero(osAppNmiBuffer, sizeof(osAppNmiBuffer));
}
if (osTvType == OS_TV_PAL) {
osViClock = VI_PAL_CLOCK;
} else if (osTvType == OS_TV_MPAL) {
osViClock = VI_MPAL_CLOCK;
} else {
osViClock = VI_NTSC_CLOCK;
}
// Wait until there are no RCP interrupts
if (__osGetCause() & CAUSE_IP5) {
while (true) {
;
}
}
HW_REG(AI_CONTROL_REG, u32) = 1;
HW_REG(AI_DACRATE_REG, u32) = 0x3FFF;
HW_REG(AI_BITRATE_REG, u32) = 0xF;
}
void __osInitialize_autodetect(void) {
}
|
