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Attempt to decompile __osRepairPackId

This commit is contained in:
Ryan Dwyer 2021-03-24 22:28:20 +10:00
parent 9fd68c381a
commit 6ad506efce
2 changed files with 98 additions and 0 deletions
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1
Makefile
View File

@ -67,6 +67,7 @@ $(B_DIR)/lib/ultra/gu/ortho.o: LOOPUNROLL :=
$(B_DIR)/lib/ultra/io/pfsgetstatus.o: LOOPUNROLL :=
$(B_DIR)/lib/ultra/io/conteepread.o: LOOPUNROLL :=
$(B_DIR)/lib/ultra/io/conteepwrite.o: LOOPUNROLL :=
$(B_DIR)/lib/lib_4c090.o: LOOPUNROLL :=
$(B_DIR)/lib/ultra/libc/ll.o: MIPSISET := -mips3 -o32
$(B_DIR)/lib/ultra/libc/llcvt.o: MIPSISET := -mips3 -32

97
src/lib/lib_4c090.c
View File

@ -1,4 +1,5 @@
#include <ultra64.h>
#include "libultra_internal.h"
#include "constants.h"
#include "bss.h"
#include "lib/lib_4b170.h"
@ -423,6 +424,102 @@ glabel __osRepairPackId
/* 4c54c: 27bd00a0 */ addiu $sp,$sp,0xa0
);
// Mismatch: j = 0 needs to be removed from the for loop so it uses
// the earlier assign, but this creates significantly different code.
//s32 __osRepairPackId(OSPfs *pfs, __OSPackId *badid, __OSPackId *newid)
//{
// s32 ret;
// u8 temp[32];
// u8 comp[32];
// u8 mask;
// int i;
// int j;
// u16 index[4];
//
// ret = 0;
// mask = 0;
// j = 0;
//
// newid->repaired = -1;
// newid->random = osGetCount();
// newid->serial_mid = badid->serial_mid;
// newid->serial_low = badid->serial_low;
//
// if (pfs->activebank != 0) {
// ERRCK(__osPfsSelectBank(pfs, 0));
// }
//
// for (j = 0; j < PFS_MAX_BANKS; j++) {
// ERRCK(__osPfsSelectBank(pfs, j));
//
// ERRCK(__osContRamRead(pfs->queue, pfs->channel, 0, (u8*)&temp));
//
// temp[0] = j | 0x80;
//
// for (i = 1; i < ARRLEN(temp); i++) {
// temp[i] = ~temp[i];
// }
//
// ERRCK(__osContRamWrite(pfs->queue, pfs->channel, 0, (u8*)temp, FALSE));
// ERRCK(__osContRamRead(pfs->queue, pfs->channel, 0, (u8*)&comp));
//
// for (i = 0; i < ARRLEN(temp); i++) {
// if (comp[i] != temp[i]) {
// break;
// }
// }
//
// if (i != ARRLEN(temp)) {
// break;
// }
//
// if (j > 0) {
// ERRCK(__osPfsSelectBank(pfs, 0));
//
// ERRCK(__osContRamRead(pfs->queue, pfs->channel, 0, (u8*)temp));
//
// if (temp[0] != 128) {
// break;
// }
// }
// }
//
// if (pfs->activebank != 0) {
// ERRCK(__osPfsSelectBank(pfs, 0));
// }
//
// if (j > 0) {
// mask = 1;
// } else {
// mask = 0;
// }
//
// newid->deviceid = (badid->deviceid & (u16)~1) | mask;
// newid->banks = j;
// newid->version = badid->version;
//
// __osIdCheckSum((u16*)newid, &newid->checksum, &newid->inverted_checksum);
//
// index[0] = 1;
// index[1] = 3;
// index[2] = 4;
// index[3] = 6;
//
// for (i = 0; i < ARRLEN(index); i++) {
// ERRCK(__osContRamWrite(pfs->queue, pfs->channel, index[i], (u8*)newid, TRUE));
// }
//
// ERRCK(__osContRamRead(pfs->queue, pfs->channel, 1, (u8*)temp));
//
// for (i = 0; i < ARRLEN(temp); i++) {
// if (temp[i] != ((u8 *)newid)[i]) {
// return PFS_ERR_DEVICE;
// }
// }
//
// return 0;
//}
s32 __osCheckPackId(OSPfs *pfs, __OSPackId *temp)
{
u16 index[4];