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OcAppleKernelLib: Fix mApfsTimeoutPatch

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This commit is contained in:
PMheart 2022-04-04 19:11:17 +02:00
parent cf6aa8c67a
commit 8f60fd29d8
1 changed files with 14 additions and 5 deletions
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19
Library/OcAppleKernelLib/CommonPatches.c
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@ -2045,20 +2045,22 @@ PatchForceSecureBootScheme (
STATIC
UINT8
mApfsTimeoutFind[] = {
0x48, 0x3D, 0x7F, 0x96, 0x98, 0x00
0x48, 0x3D, 0x7F, 0x96, 0x98, 0x00 ///< cmp rax, 9999999d
};
STATIC_ASSERT (sizeof (mApfsTimeoutFind) == 6, "Unsupported mApfsTimeoutFind");
STATIC
UINT8
mApfsTimeoutReplace[] = {
0x48, 0x3D, 0x00, 0x00, 0x00, 0x00 ///< To be set by PatchSetApfsTimeout()
0x48, 0x3D, 0x00, 0x00, 0x00, 0x00 ///< cmp rax, <new_timeout> ; To be set by PatchSetApfsTimeout()
};
STATIC_ASSERT (sizeof (mApfsTimeoutReplace) == 6, "Unsupported mApfsTimeoutReplace");
STATIC
PATCHER_GENERIC_PATCH
mApfsTimeoutPatch = {
.Comment = DEBUG_POINTER ("ApfsTimeout"),
.Base = NULL,
.Base = "_nx_mount_trim_thread",
.Find = mApfsTimeoutFind,
.Mask = NULL,
.Replace = mApfsTimeoutReplace,
@ -2122,7 +2124,8 @@ PatchSetApfsTrimTimeout (
//
// Disable trim using another patch when timeout is 0.
//
if (mApfsTimeoutReplace[2] == 0) {
if (mApfsTimeoutReplace[2] == 0 && mApfsTimeoutReplace[3] == 0
&& mApfsTimeoutReplace[4] == 0 && mApfsTimeoutReplace[5] == 0) {
Status = PatcherApplyGenericPatch (Patcher, &mApfsDisableTrimPatch);
if (EFI_ERROR (Status)) {
DEBUG ((DEBUG_INFO, "OCAK: Failed to apply patch ApfsDisableTrim - %r\n", Status));
@ -2133,6 +2136,12 @@ PatchSetApfsTrimTimeout (
return Status;
}
//
// FIXME: This is wrong! At least from 11.6.1, mApfsTimeoutPatch cannot be applied anymore.
//
// It is only possible to specify trim timeout value from 10.14 to 11.x.
// Starting at 12.0 this is no longer possible.
//
if (KernelVersion < KERNEL_VERSION_MONTEREY_MIN) {
Status = PatcherApplyGenericPatch (Patcher, &mApfsTimeoutPatch);
if (EFI_ERROR (Status)) {
@ -2144,7 +2153,7 @@ PatchSetApfsTrimTimeout (
return Status;
}
DEBUG ((DEBUG_INFO, "OCAK: Skipping patch SetApfsTrimTimeout on macOS 12.0+\n"));
DEBUG ((DEBUG_INFO, "OCAK: Skipping SetApfsTrimTimeout on macOS 12.0+, set 0 to disable trim instead\n"));
return EFI_SUCCESS;
}