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#ifndef _FINALROM
#include "PR/os_internal.h"
#include "PR/rcp.h"
#include "PRinternal/osint.h"
#include "PRinternal/macros.h"
typedef struct {
/* 0x0 */ unsigned int inst1;
/* 0x4 */ unsigned int inst2;
/* 0x8 */ unsigned int inst3;
/* 0xC */ unsigned int inst4;
} __osExceptionVector;
extern __osExceptionVector __isExpJP;
void MonitorInitBreak(void);
#define ISV_BASE gISVDbgPrnAdrs
#define ISV_MAGIC_ADDR (ISV_BASE + 0x00)
#define ISV_GET_ADDR (ISV_BASE + 0x04)
#define ISV_PUT_ADDR (ISV_BASE + 0x14)
#define ISV_BUFFER (ISV_BASE + 0x20)
#define ISV_BUFFER_LEN (0x10000 - 0x20)
#define IS64_MAGIC 'IS64'
__osExceptionVector ramOldVector ALIGNED(0x8);
u32 gISVFlag;
u16 gISVChk;
u32 gISVDbgPrnAdrs;
u32 leoComuBuffAdd;
static OSPiHandle* is_Handle;
void isPrintfInit(void) {
is_Handle = osCartRomInit();
osEPiWriteIo(is_Handle, ISV_PUT_ADDR, 0);
osEPiWriteIo(is_Handle, ISV_GET_ADDR, 0);
osEPiWriteIo(is_Handle, ISV_MAGIC_ADDR, IS64_MAGIC);
}
static void* is_proutSyncPrintf(void* arg, const u8* str, u32 count) {
u32 data;
s32 p;
s32 start;
s32 end;
if (gISVDbgPrnAdrs == 0) {
return 0;
}
osEPiReadIo(is_Handle, ISV_MAGIC_ADDR, &data);
if (data != IS64_MAGIC) {
return 1;
}
osEPiReadIo(is_Handle, ISV_GET_ADDR, &data);
p = data;
osEPiReadIo(is_Handle, ISV_PUT_ADDR, &data);
start = data;
end = start + count;
if (end >= ISV_BUFFER_LEN) {
end -= ISV_BUFFER_LEN;
if (p < end || start < p) {
return 1;
}
} else {
if (start < p && p < end) {
return 1;
}
}
while (count) {
if (*str != '\0') {
s32 shift = start & 3;
u32 addr = ISV_BUFFER + (start & 0xFFFFFFC);
shift = (3 - shift) * 8;
osEPiReadIo(is_Handle, addr, &data);
osEPiWriteIo(is_Handle, addr, (data & ~(0xff << shift)) | (*str << shift));
start++;
if (start >= ISV_BUFFER_LEN) {
start -= ISV_BUFFER_LEN;
}
}
count--;
str++;
}
osEPiWriteIo(is_Handle, ISV_PUT_ADDR, start);
return 1;
}
int __checkHardware_isv(void) {
u32 i = 0;
u32 data;
u32 save[4];
OSPiHandle* hnd = osCartRomInit();
gISVDbgPrnAdrs = 0;
leoComuBuffAdd = 0;
gISVFlag = IS64_MAGIC;
gISVChk = 0;
for (i = 0; i < 4; i++) {
osEPiReadIo(hnd, 0xB0000100 + i * 4, &save[i]);
}
#ifndef __GNU__ // BUG: data is used uninitialized for GCC
data = 0;
#endif
osEPiWriteIo(hnd, 0xB000010C, data);
data = IS64_MAGIC;
osEPiWriteIo(hnd, 0xB0000100, IS64_MAGIC);
for (i = 0; i < 0x20000; i++) {
osEPiReadIo(hnd, 0xB000010C, &data);
if (data == IS64_MAGIC) {
data = 0;
osEPiWriteIo(hnd, 0xB0000100, data);
gISVChk |= 1;
osEPiReadIo(hnd, 0xB0000104, &gISVDbgPrnAdrs);
osEPiReadIo(hnd, 0xB0000108, &leoComuBuffAdd);
break;
}
}
for (i = 0; i < 4; i++) {
osEPiWriteIo(hnd, 0xB0000100 + i * 4, save[i]);
}
osEPiReadIo(hnd, 0xBFF00000, &data);
gISVChk |= ((data == IS64_MAGIC) ? 2 : 0);
return (gISVChk != 0) ? TRUE : FALSE;
}
void __osInitialize_isv(void) {
void (*fn)(void);
OSPiHandle* hnd;
s32 pad;
s32 pad2;
if (gISVFlag == IS64_MAGIC || __checkHardware_isv()) {
if (gISVDbgPrnAdrs != 0) {
__printfunc = is_proutSyncPrintf;
isPrintfInit();
}
if (gISVChk & 2) {
hnd = osCartRomInit();
ramOldVector = *(__osExceptionVector*)E_VEC;
*(__osExceptionVector*)E_VEC = __isExpJP;
osWritebackDCache(&ramOldVector, 0x10);
osInvalICache(&ramOldVector, 0x10);
osWritebackDCache(0x80000000, 0x190);
osInvalICache(0x80000000, 0x190);
osEPiReadIo(hnd, 0xBFF00010, (u32*)&fn);
fn();
}
if (gISVChk & 2) {
MonitorInitBreak();
}
}
}
#endif
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