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OcAppleKernelLib: Implement workaround for linking against IOHIDSystem

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This commit is contained in:
vit9696 2019-03-27 18:52:37 +03:00
parent 3ec6d72afe
commit f7f7a6795f
2 changed files with 24 additions and 4 deletions
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24
Library/OcAppleKernelLib/PrelinkedKext.c
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@ -628,7 +628,7 @@ InternalScanPrelinkedKext (
//
DependencyKext = InternalCachedPrelinkedKernel (Context);
if (DependencyKext == NULL) {
return EFI_NOT_FOUND;
return RETURN_NOT_FOUND;
}
if (DependencyKext != Kext) {
@ -655,7 +655,25 @@ InternalScanPrelinkedKext (
DependencyKext = InternalCachedPrelinkedKext (Context, DependencyId);
if (DependencyKext == NULL) {
DEBUG ((DEBUG_INFO, "Dependency %a was not found for kext %a\n", DependencyId, Kext->Identifier));
return EFI_NOT_FOUND;
//
// Some kexts, notably VoodooPS2 forks, link against IOHIDSystem.kext, which is a plist-only
// dummy, macOS does not add to the prelinkedkernel. This cannot succeed as /S/L/E directory
// is not accessible (and can be encrypted). Normally kext's Info.plist is to be fixed, but
// we also put a hack here to let some common kexts work.
//
if (AsciiStrCmp (DependencyId, "com.apple.iokit.IOHIDSystem") == 0) {
DependencyKext = InternalCachedPrelinkedKext (Context, "com.apple.iokit.IOHIDFamily");
DEBUG ((
DEBUG_WARN,
"Dependency %a fallback to %a %a. Please fix your kext!\n",
DependencyId,
"com.apple.iokit.IOHIDSystem",
DependencyKext != NULL ? "succeeded" : "failed"
));
}
if (DependencyKext == NULL) {
return RETURN_NOT_FOUND;
}
}
Status = InternalInsertPrelinkedKextDependency (Kext, Context, DependencyIndex, DependencyKext);
@ -683,7 +701,7 @@ InternalScanPrelinkedKext (
}
}
return EFI_SUCCESS;
return RETURN_SUCCESS;
}
VOID

4
STATUS.md
View File

@ -18,7 +18,9 @@ listed here.
1. No dmg boot detection.
* OcAppleKernelLib
**Status**: functional
**Issues**: none
**Issues**:
1. Booting without caches on 10.9 or earlier will bypass kext injection.
2. Booting to Recovery HD may fail.
* OcCompressionLib
**Status**: functional
**Issues**: none