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LayeredFS: Allow patchLayeredFs if fsUnMountArchive symbol doesn't exist

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fangrong 2026-05-21 18:16:27 +08:00 committed by TuxSH
parent b3282131c4
commit a0bbd93c1f
1 changed files with 4 additions and 2 deletions
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6
sysmodules/loader/source/patcher.c
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@ -196,7 +196,7 @@ static inline bool findLayeredFsSymbols(u8 *code, u32 size, u32 *fsMountArchive,
} }
} }
return found == 5; return (found == 5 || (found == 4 && *fsUnMountArchive == 0xFFFFFFFF));
} }
static inline bool findLayeredFsPayloadOffset(u8 *code, u32 size, u32 roSize, u32 dataSize, u32 roAddress, u32 dataAddress, u32 *payloadOffset, u32 *pathOffset, u32 *pathAddress) static inline bool findLayeredFsPayloadOffset(u8 *code, u32 size, u32 roSize, u32 dataSize, u32 roAddress, u32 dataAddress, u32 *payloadOffset, u32 *pathOffset, u32 *pathAddress)
@ -632,7 +632,9 @@ static inline bool patchLayeredFs(u64 progId, u8 *code, u32 size, u32 textSize,
romfsRedirPatchHook2 = MAKE_BRANCH(payloadOffset + (u32)&romfsRedirPatchHook2 - (u32)romfsRedirPatch, fsTryOpenFile + 4); romfsRedirPatchHook2 = MAKE_BRANCH(payloadOffset + (u32)&romfsRedirPatchHook2 - (u32)romfsRedirPatch, fsTryOpenFile + 4);
romfsRedirPatchCustomPath = pathAddress; romfsRedirPatchCustomPath = pathAddress;
romfsRedirPatchFsMountArchive = MAKE_BRANCH_LINK(payloadOffset + (u32)&romfsRedirPatchFsMountArchive - (u32)romfsRedirPatch, fsMountArchive); romfsRedirPatchFsMountArchive = MAKE_BRANCH_LINK(payloadOffset + (u32)&romfsRedirPatchFsMountArchive - (u32)romfsRedirPatch, fsMountArchive);
romfsRedirPatchFsUnMountArchive = MAKE_BRANCH_LINK(payloadOffset + (u32)&romfsRedirPatchFsUnMountArchive - (u32)romfsRedirPatch, fsUnMountArchive); romfsRedirPatchFsUnMountArchive = (fsUnMountArchive != 0xFFFFFFFF) ?
MAKE_BRANCH_LINK(payloadOffset + (u32)&romfsRedirPatchFsUnMountArchive - (u32)romfsRedirPatch, fsUnMountArchive) :
0xE320F000; // NOP if fsUnMountArchive doesn't exist
romfsRedirPatchFsRegisterArchive = MAKE_BRANCH_LINK(payloadOffset + (u32)&romfsRedirPatchFsRegisterArchive - (u32)romfsRedirPatch, fsRegisterArchive); romfsRedirPatchFsRegisterArchive = MAKE_BRANCH_LINK(payloadOffset + (u32)&romfsRedirPatchFsRegisterArchive - (u32)romfsRedirPatch, fsRegisterArchive);
romfsRedirPatchArchiveId = archiveId; romfsRedirPatchArchiveId = archiveId;
memcpy(&romfsRedirPatchUpdateRomFsMount, updateRomFsMount, 4); memcpy(&romfsRedirPatchUpdateRomFsMount, updateRomFsMount, 4);