mirror of
https://github.com/CloverHackyColor/CloverBootloader.git
synced 2024-09-21 02:51:04 +02:00
Fix KernelPM Patch for 10.14.6 beta 6
Add debug line for trace
This commit is contained in:
Sherlocks
parent
ddba966e94
commit
d62ea4f7f6
@ -589,7 +589,9 @@ VOID KernelCPUIDPatch(UINT8* kernelData, LOADER_ENTRY *Entry)
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}
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}
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// Credits to RehabMan for the kernel patch information
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// new way by RehabMan 2017-08-13
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// cleanup by Sherlocks 2020-03-23
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#define CompareWithMask(x,m,c) (((x) & (m)) == (c))
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BOOLEAN KernelPatchPm(VOID *kernelData, LOADER_ENTRY *Entry)
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@ -599,31 +601,38 @@ BOOLEAN KernelPatchPm(VOID *kernelData, LOADER_ENTRY *Entry)
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if (Ptr == NULL) {
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return FALSE;
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}
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// Credits to RehabMan for the kernel patch information
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DBG("Patching kernel power management...\n");
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for (; Ptr < End; Ptr += 2) {
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// check for xcpm_scope_msr common 0xe2 prologue
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// e2000000 xxxx0000 00000000 00000000 xx040000 00000000
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if (CompareWithMask(Ptr[0], 0xFFFF0000FFFFFFFF, 0x00000000000000e2) && 0 == Ptr[1] &&
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// check for xcpm_scope_msr common 0xE2 prologue
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// E2000000 XX000000 00000000 00000000 00040000 00000000
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// 10.8/10.9: 02,0C,10
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// E2000000 XXXX0000 00000000 00000000 0F040000 00000000
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// 10.10/10.12: 0200,4C00,9001, 10.11: 0200,4C00,9013, 10.13-10.15.3: 4C00,9033,0040
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// E2000000 XXXXXX00 00000000 00000000 0F040000 00000000
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// 10.15.4+: 4C0000,903306,004000
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// E2000000 XXXXXXXX 00000000 00000000 XX040000 00000000
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// safe pattern for next macOS
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if (CompareWithMask(Ptr[0], 0x00000000FFFFFFFF, 0x00000000000000E2) && 0 == Ptr[1] &&
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CompareWithMask(Ptr[2], 0xFFFFFFFFFFFFFF00, 0x0000000000000400)) {
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// check for last xcpm_scope_msr entry; terminates search
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// example data:
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// e2000000 10000000 00000000 00000000 00040000 00000000 0800007e 00000000 00000000 00000000 00000000 00000000
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// or
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// e2000000 90330000 00000000 00000000 0f040000 00000000 0800007e 00000000 00000000 00000000 00000000 00000000
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if (0x000000007e000008 == Ptr[3] && 0 == Ptr[4] && 0 == Ptr[5]) {
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// 10.8 - 10.12
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// 0700001E 00000000 00000000 00000000 00000000 00000000
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// 0500001E 00000000 00000000 00000000 00000000 00000000
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// 0800007E 00000000 00000000 00000000 00000000 00000000
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// 10.13+
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// 0500001E 00000000 00000000 00000000 00000000 00000000
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// 0800007E 00000000 00000000 00000000 00000000 00000000
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// 0300007E 00000000 00000000 00000000 00000000 00000000
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// XX00007E 00000000 00000000 00000000 00000000 00000000
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if (CompareWithMask(Ptr[3], 0xFFFFFFFFFFFFFF00, 0x000000007E000000) && 0 == Ptr[4] && 0 == Ptr[5]) {
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// zero out 0xE2 MSR and CPU mask
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Ptr[0] = 0;
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DBG("Kernel power management: LAST entry found and patched\n");
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return TRUE;
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}
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// check for other xcpm_scope_msr entry
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// example data:
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// e2000000 02000000 00000000 00000000 00040000 00000000 0700001e 00000000 00000000 00000000 00000000 00000000
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// e2000000 0c000000 00000000 00000000 00040000 00000000 0500001e 00000000 00000000 00000000 00000000 00000000
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// or
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// e2000000 4c000000 00000000 00000000 0f040000 00000000 0500001e 00000000 00000000 00000000 00000000 00000000
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else if (CompareWithMask(Ptr[3], 0xFFFFFFFFFFFFFF00, 0x000000001e000000) && 0 == Ptr[4] && 0 == Ptr[5]) {
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// XX00001E 00000000 00000000 00000000 00000000 00000000
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} else if (CompareWithMask(Ptr[3], 0xFFFFFFFFFFFFFF00, 0x000000001E000000) && 0 == Ptr[4] && 0 == Ptr[5]) {
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// zero out 0xE2 MSR and CPU mask
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Ptr[0] = 0;
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DBG("Kernel power management: entry found and patched\n");
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@ -687,6 +696,7 @@ BOOLEAN KernelLapicPatch_64(VOID *kernelData)
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//(bytes[i+4] == 0x3F || bytes[i+4] == 0x4F) && // 3F:10.10-10.12/4F:10.13+
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bytes[i+5] == 0x31 && bytes[i+6] == 0xDB && bytes[i+7] == 0x8D && bytes[i+8] == 0x47 &&
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bytes[i+9] == 0xFA && bytes[i+10] == 0x83) {
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DBG("Found Lapic panic Base (10.10 - recent macOS)\n");
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for (y = i; y < 0x1000000; y++) {
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// Lapic panic patch, by vit9696
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// mov eax, gs:XX
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@ -738,6 +748,7 @@ BOOLEAN KernelLapicPatch_64(VOID *kernelData)
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//(bytes[i+4] == 0x3F || bytes[i+4] == 0x4F) && // 3F:10.10-10.12/4F:10.13+
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bytes[i+5] == 0x31 && bytes[i+6] == 0xDB && bytes[i+7] == 0x8D && bytes[i+8] == 0x47 &&
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bytes[i+9] == 0xFA && bytes[i+10] == 0x83) {
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DBG("Found Lapic panic master Base (10.10 - recent macOS)\n");
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for (y = i; y < 0x1000000; y++) {
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// Lapic panic master patch, by vit9696
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// cmp cs:_debug_boot_arg, 0
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@ -952,6 +952,7 @@ VOID EFIAPI KernelBooterExtensionsPatch(IN UINT8 *Kernel, LOADER_ENTRY *Entry)
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if (Kernel[i+0] == 0x01 && Kernel[i+1] == 0x00 && Kernel[i+2] == 0x31 &&
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Kernel[i+3] == 0xFF && Kernel[i+4] == 0xBE && Kernel[i+5] == 0x14 &&
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Kernel[i+6] == 0x00 && Kernel[i+7] == 0x05) {
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DBG_RT(Entry, "==> found EXT Base (10.8 - recent macOS)\n");
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for (y = i; y < 0x1000000; y++) {
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// E8 XX 00 00 00 EB XX XX
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if (Kernel[y+0] == 0xE8 && Kernel[y+2] == 0x00 && Kernel[y+3] == 0x00 &&
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@ -987,6 +988,7 @@ VOID EFIAPI KernelBooterExtensionsPatch(IN UINT8 *Kernel, LOADER_ENTRY *Entry)
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//(Kernel[i+4] == 0xBF || Kernel[i+4] == 0xBE) && // BF:10.11/BE:10.12+
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Kernel[i+5] == 0x01 && Kernel[i+6] == 0x00 && Kernel[i+7] == 0x00 &&
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Kernel[i+8] == 0xDC && Kernel[i+9] == 0x48) {
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DBG_RT(Entry, "==> found SIP Base (10.11 - recent macOS)\n");
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for (y = i; y < 0x1000000; y++) {
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// 48 85 XX 74 XX 48 XX XX 48
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if (Kernel[y+0] == 0x48 && Kernel[y+1] == 0x85 && Kernel[y+3] == 0x74 &&
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@ -1042,17 +1044,16 @@ VOID EFIAPI KernelBooterExtensionsPatch(IN UINT8 *Kernel, LOADER_ENTRY *Entry)
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// 48 83 EC 30 48 C7 45 B8 XX XX XX //21
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// XX XX XX XX XX XX XX XX XX XX XX //32
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// XX XX XX XX XX XX XX XX XX XX XX //43
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// XX XX XX XX XX XX XX XX 31 FF BE //54
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// 14 XX XX XX 31 C0 E8 XX XX FF FF //65
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// XX XX XX XX XX XX XX XX XX FF XX //54
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// XX XX XX XX XX XX XX XX XX FF FF //65
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if (Kernel[i+0] == 0x55 && Kernel[i+1] == 0x48 && Kernel[i+2] == 0x89 &&
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Kernel[i+3] == 0xE5 && Kernel[i+4] == 0x41 && Kernel[i+5] == 0x57 &&
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Kernel[i+6] == 0x41 && Kernel[i+7] == 0x56 && Kernel[i+8] == 0x41 &&
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Kernel[i+9] == 0x54 && Kernel[i+10] == 0x53 && Kernel[i+11] == 0x48 &&
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Kernel[i+12] == 0x83 && Kernel[i+13] == 0xEC && Kernel[i+14] == 0x30 &&
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Kernel[i+15] == 0x48 && Kernel[i+16] == 0xC7 && Kernel[i+17] == 0x45 &&
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Kernel[i+18] == 0xB8 && Kernel[i+52] == 0x31 && Kernel[i+53] == 0xFF &&
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Kernel[i+54] == 0xBE && Kernel[i+55] == 0x14 && Kernel[i+59] == 0x31 &&
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Kernel[i+60] == 0xC0 && Kernel[i+61] == 0xE8 && Kernel[i+64] == 0xFF && Kernel[i+65] == 0xFF) {
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Kernel[i+18] == 0xB8 && Kernel[i+53] == 0xFF && Kernel[i+64] == 0xFF && Kernel[i+65] == 0xFF) {
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DBG_RT(Entry, "==> found KxldUnmap Base (10.14 - recent macOS)\n");
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for (y = i; y < 0x1000000; y++) {
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// 00 0F 85 XX XX 00 00 48
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if (Kernel[y+0] == 0x00 && Kernel[y+1] == 0x0F && Kernel[y+2] == 0x85 &&
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