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
|
#include "global.h"
OSPiHandle __CartRomHandle;
OSPiHandle* osCartRomInit(void) {
register u32 a;
register s32 status;
register u32 prevInt;
register u32 lastLatency;
register u32 lastPageSize;
register u32 lastRelDuration;
register u32 lastPulse;
static u32 D_8000AF10 = 1;
__osPiGetAccess();
if (!D_8000AF10) {
__osPiRelAccess();
return &__CartRomHandle;
}
D_8000AF10 = 0;
__CartRomHandle.type = DEVICE_TYPE_CART;
__CartRomHandle.baseAddress = 0xB0000000;
__CartRomHandle.domain = PI_DOMAIN1;
__CartRomHandle.speed = 0;
bzero(&__CartRomHandle.transferInfo, sizeof(__OSTranxInfo));
while (status = HW_REG(PI_STATUS_REG, u32), status & (PI_STATUS_BUSY | PI_STATUS_IOBUSY)) {
;
}
lastLatency = HW_REG(PI_BSD_DOM1_LAT_REG, u32);
lastPageSize = HW_REG(PI_BSD_DOM1_PGS_REG, u32);
lastRelDuration = HW_REG(PI_BSD_DOM1_RLS_REG, u32);
lastPulse = HW_REG(PI_BSD_DOM1_PWD_REG, u32);
HW_REG(PI_BSD_DOM1_LAT_REG, u32) = 0xFF;
HW_REG(PI_BSD_DOM1_PGS_REG, u32) = 0;
HW_REG(PI_BSD_DOM1_RLS_REG, u32) = 3;
HW_REG(PI_BSD_DOM1_PWD_REG, u32) = 0xFF;
a = HW_REG(__CartRomHandle.baseAddress, u32);
__CartRomHandle.latency = a & 0xFF;
__CartRomHandle.pageSize = (a >> 0x10) & 0xF;
__CartRomHandle.relDuration = (a >> 0x14) & 0xF;
__CartRomHandle.pulse = (a >> 8) & 0xFF;
HW_REG(PI_BSD_DOM1_LAT_REG, u32) = lastLatency;
HW_REG(PI_BSD_DOM1_PGS_REG, u32) = lastPageSize;
HW_REG(PI_BSD_DOM1_RLS_REG, u32) = lastRelDuration;
HW_REG(PI_BSD_DOM1_PWD_REG, u32) = lastPulse;
prevInt = __osDisableInt();
__CartRomHandle.next = __osPiTable;
__osPiTable = &__CartRomHandle;
__osRestoreInt(prevInt);
__osPiRelAccess();
return &__CartRomHandle;
}
|
