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https://github.com/CloverHackyColor/CloverBootloader.git
synced 2024-11-12 09:54:36 +01:00
advance KernelPM for Catalina
Signed-off-by: SergeySlice <sergey.slice@gmail.com>
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@ -658,6 +658,7 @@ const UINT8 CataSearchModel[] = {0x44, 0x89, 0xE0, 0xC0, 0xE8, 0x04};
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const UINT8 CataSearchExt[] = {0x44, 0x89, 0xE0, 0xC1, 0xE8, 0x10};
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const UINT8 CataReplaceMovEax[] = {0xB8, 0x00, 0x00, 0x00, 0x00, 0x90}; // mov eax, val || nop
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BOOLEAN LOADER_ENTRY::PatchCPUID(UINT8* bytes, const UINT8* Location, INT32 LenLoc,
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const UINT8* Search4, const UINT8* Search10, const UINT8* ReplaceModel,
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const UINT8* ReplaceExt, INT32 Len)
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@ -773,7 +774,7 @@ BOOLEAN LOADER_ENTRY::KernelPatchPm(VOID *kernelData)
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INTN Num = SearchAndReplace(&Kernel[procLocation], 0x400, findJmp, sizeof(findJmp), patchJmp, 0);
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DBG_RT("==> found %lld patterns\n", Num);
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//2. procedure xcpm_init
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// indirect call to _xcpm_core_scope_msrs
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// indirect call to _xcpm_core_scope_msrs and to _xcpm_SMT_scope_msrs
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// 488D3DDA317600 lea rdi, qword [ds:_xcpm_core_scope_msrs]
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// BE0B000000 mov esi, 0xb => replace to eb0a
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// 31D2 xor edx, edx
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@ -787,18 +788,30 @@ BOOLEAN LOADER_ENTRY::KernelPatchPm(VOID *kernelData)
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DBG_RT("=> xcpm_core_scope_msrs found at %llx\n", patchLocation1);
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if (Kernel[patchLocation1 + 7] == 0xE8) {
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DBG_RT("=> patch applied\n");
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for (int i=0; i < 0x10; ++i) {
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DBG_RT("%02x", Kernel[patchLocation1 + i]);
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}
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DBG_RT("\n");
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// for (int i=0; i < 0x10; ++i) {
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// DBG_RT("%02x", Kernel[patchLocation1 + i]);
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// }
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// DBG_RT("\n");
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Kernel[patchLocation1] = 0xEB;
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Kernel[patchLocation1 + 1] = 0x0A;
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} else {
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DBG_RT("=> pattern not good\n");
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// for (int i=0; i < 0x10; ++i) {
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// DBG_RT("%02x", Kernel[patchLocation1 + i]);
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// }
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// DBG_RT("\n");
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}
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}
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UINTN symbol2 = searchProc(Kernel, "xcpm_SMT_scope_msrs");
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patchLocation1 = FindRelative32(Kernel, procLocation, 0x200, symbol2);
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if (patchLocation1 != 0) {
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DBG_RT("=> xcpm_SMT_scope_msrs found at %llx\n", patchLocation1);
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if (Kernel[patchLocation1 + 7] == 0xE8) {
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DBG_RT("=> SMT patch applied\n");
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Kernel[patchLocation1] = 0xEB;
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Kernel[patchLocation1 + 1] = 0x0A;
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} else {
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DBG_RT("=> pattern not good\n");
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for (int i=0; i < 0x10; ++i) {
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DBG_RT("%02x", Kernel[patchLocation1 + i]);
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}
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DBG_RT("\n");
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}
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}
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@ -1293,6 +1306,11 @@ BOOLEAN LOADER_ENTRY::BroadwellEPM(VOID *kernelData, BOOLEAN use_xcpm_idle)
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KernelCPUIDPatch(kern);
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DBG("Searching _xcpm_pkg_scope_msr ...\n");
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// proc: _xcpm_init
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// ffffff8000468825 488D3D54527F00 lea rdi, qword [ds:_xcpm_pkg_scope_msrs]
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// ffffff800046882c BE07000000 mov esi, 0x7
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// ffffff8000468831 31D2 xor edx, edx
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// ffffff8000468833 E838FDFFFF call sub_ffffff8000468570
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if (os_version >= AsciiOSVersionToUint64("10.12")) {
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// 10.12+
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patchLocation = 0; // clean out the value just in case
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@ -1349,15 +1367,15 @@ BOOLEAN LOADER_ENTRY::HaswellLowEndXCPM(VOID *kernelData, BOOLEAN use_xcpm_idle)
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return TRUE;
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}
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// _xcpm_idle
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if (use_xcpm_idle) {
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// _xcpm_idle //this is a part of KernelPM
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/* if (use_xcpm_idle) {
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DBG("HWPEnable - ON.\n");
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comment = "_xcpm_idle";
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const UINT8 find[] = { 0xB9, 0xE2, 0x00, 0x00, 0x00, 0x0F, 0x30 };
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const UINT8 repl[] = { 0xB9, 0xE2, 0x00, 0x00, 0x00, 0x90, 0x90 };
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applyKernPatch(kern, find, sizeof(find), repl, comment);
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}
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*/
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comment = "_xcpm_bootstrap";
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if (os_version <= AsciiOSVersionToUint64("10.12.5")) {
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// 10.12 - 10.12.5
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