archive-gh-me/OpenCorePkg
1
0
Fork 0
mirror of https://github.com/acidanthera/OpenCorePkg.git synced 2025-12-08 19:25:01 +00:00
Code Issues Projects Releases Wiki Activity

OcAppleKernelLib: Ignore all missing kext dependencies

Browse Source
This commit is contained in:
Download-Fritz 2019-07-07 20:30:30 +02:00
parent 5b61c4e776
commit c8ffdfc13d
1 changed files with 40 additions and 31 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

71
Library/OcAppleKernelLib/PrelinkedKext.c
View File

@ -603,6 +603,38 @@ InternalCachedPrelinkedKernel (
return NewKext;
}
PRELINKED_KEXT *
InternalGetQuirkDependencyKext (
IN CONST CHAR8 *DependencyId,
IN OUT PRELINKED_CONTEXT *Context
)
{
PRELINKED_KEXT *DependencyKext;
ASSERT (DependencyId != NULL);
ASSERT (Context != NULL);
DependencyKext = NULL;
//
// 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"
));
}
return DependencyKext;
}
RETURN_STATUS
InternalScanPrelinkedKext (
IN OUT PRELINKED_KEXT *Kext,
@ -665,39 +697,16 @@ InternalScanPrelinkedKext (
DependencyKext = InternalCachedPrelinkedKext (Context, DependencyId);
if (DependencyKext == NULL) {
DEBUG ((DEBUG_INFO, "Dependency %a was not found for kext %a\n", DependencyId, Kext->Identifier));
//
// 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"
));
}
//
// FIXME: In macOS Catalina (verified with Beta 3),
// com.apple.iokit.IOUSBHostFamily depends on the PLIST-only
// KEXT com.apple.driver.usb.AppleUSBHostPlatformProperties.
// As it will not be embedded into prelinkedkernel as described
// above, and does currently not declare own dependencies, just
// skip it.
// Discuss whether dependencies that cannot be found should be
// ignored in general, relying that linking is going to fail
// when there is an actual problem.
//
if (AsciiStrCmp (DependencyId, "com.apple.driver.usb.AppleUSBHostPlatformProperties") == 0) {
continue;
}
DependencyKext = InternalGetQuirkDependencyKext (DependencyId, Context);
if (DependencyKext == NULL) {
return RETURN_NOT_FOUND;
//
// Skip missing dependencies. PLIST-only dependencies, such as used
// in macOS Catalina, will not be found in prelinkedkernel and are
// assumed to be safe to ignore. Any actual problems will be found
// during linking.
//
continue;
}
}