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https://github.com/CloverHackyColor/CloverBootloader.git
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testing KernelPm patch
Signed-off-by: SergeySlice <sergey.slice@gmail.com>
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@ -751,6 +751,8 @@ VOID LOADER_ENTRY::KernelCPUIDPatch(UINT8* kernelData)
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}
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}
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#define NEW_PM 0
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BOOLEAN LOADER_ENTRY::KernelPatchPm(VOID *kernelData)
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{
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DBG_RT("Patching kernel power management...\n");
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@ -767,7 +769,7 @@ BOOLEAN LOADER_ENTRY::KernelPatchPm(VOID *kernelData)
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const UINT8 patchJmp[] = {0x90, 0x90, 0x90, 0x90, 0x90, 0x90, 0x90};
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DBG_RT("==> xcpm_idle at %llx\n", procLocation);
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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 and _xcpm_SMT_scope_msrs
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// 488D3DDA317600 lea rdi, qword [ds:_xcpm_SMT_scope_msrs]
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@ -796,7 +798,7 @@ BOOLEAN LOADER_ENTRY::KernelPatchPm(VOID *kernelData)
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UINTN symbol2 = searchProc(Kernel, "_xcpm_SMT_scope_msrs", &procLen);
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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", patchLocation2);
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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("=> patch applied\n");
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Kernel[patchLocation1] = 0xEB;
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