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Handle NAND header when safe restoring (only if required!)

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d0k3 2017-02-28 16:48:59 +01:00
parent b575fac6ad
commit aa8ede3543
1 changed files with 11 additions and 1 deletions
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12
source/nand/nandutil.c
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@ -202,7 +202,7 @@ u32 SafeRestoreNandDump(const char* path) {
if (!ShowUnlockSequence(5, "!WARNING!\n \nProceeding will overwrite the\nSysNAND with the provided dump.\n \n(A9LH will be left intact.)")) if (!ShowUnlockSequence(5, "!WARNING!\n \nProceeding will overwrite the\nSysNAND with the provided dump.\n \n(A9LH will be left intact.)"))
return 1; return 1;
if (!SetWritePermissions(PERM_SYS_LVL2, true)) return 1; if (!SetWritePermissions(PERM_SYS_LVL1, true)) return 1;
// build essential backup from NAND // build essential backup from NAND
EssentialBackup* essential = (EssentialBackup*) TEMP_BUFFER; EssentialBackup* essential = (EssentialBackup*) TEMP_BUFFER;
@ -231,6 +231,16 @@ u32 SafeRestoreNandDump(const char* path) {
if (!ShowProgress(s + count, fsize / 0x200, path)) ret = 1; if (!ShowProgress(s + count, fsize / 0x200, path)) ret = 1;
} }
} }
if (!IS_O3DS && (CheckNandType(NAND_SYSNAND) != NAND_TYPE_N3DS) && (ret == 0)) {
// NAND header handling / special case, only for downgraded N3DS
u8 header[0x200]; // NAND header
UINT btr;
fvx_lseek(&file, 0);
if ((fvx_read(&file, header, 0x200, &btr) == FR_OK) &&
(CheckNandHeader(header) == NAND_TYPE_N3DS) &&
(WriteNandSectors(header, 0, 1, 0xFF, NAND_SYSNAND) != 0))
ret = 1;
}
fvx_close(&file); fvx_close(&file);
// inject essential backup to NAND // inject essential backup to NAND