Upstream/CloverBootloader
1
0
Fork 0
mirror of https://github.com/CloverHackyColor/CloverBootloader.git synced 2024-11-23 11:35:19 +01:00
Code Issues Packages Projects Releases Wiki Activity

correct KernelPm patch

Browse Source 
Signed-off-by: SergeySlice <sergey.slice@gmail.com>
This commit is contained in:
SergeySlice 2020-05-05 15:12:01 +03:00
parent 33a9cc85ab
commit 6a4d892667
1 changed files with 10 additions and 21 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

31
rEFIt_UEFI/Platform/kernel_patcher.cpp
View File

@ -751,7 +751,7 @@ VOID LOADER_ENTRY::KernelCPUIDPatch(UINT8* kernelData)
} }
} }
#define NEW_PM 0 #define NEW_PM 1
BOOLEAN LOADER_ENTRY::KernelPatchPm(VOID *kernelData) BOOLEAN LOADER_ENTRY::KernelPatchPm(VOID *kernelData)
{ {
@ -771,7 +771,7 @@ BOOLEAN LOADER_ENTRY::KernelPatchPm(VOID *kernelData)
INTN Num = SearchAndReplace(&Kernel[procLocation], 0x400, findJmp, sizeof(findJmp), patchJmp, 0); INTN Num = SearchAndReplace(&Kernel[procLocation], 0x400, findJmp, sizeof(findJmp), patchJmp, 0);
DBG_RT("==> found %lld patterns\n", Num); DBG_RT("==> found %lld patterns\n", Num);
//2. procedure xcpm_init //2. procedure xcpm_init
// indirect call to _xcpm_core_scope_msrs and _xcpm_SMT_scope_msrs // indirect call to _xcpm_core_scope_msrs
// 488D3DDA317600 lea rdi, qword [ds:_xcpm_SMT_scope_msrs] // 488D3DDA317600 lea rdi, qword [ds:_xcpm_SMT_scope_msrs]
// BE0B000000 mov esi, 0xb => replace to eb0a // BE0B000000 mov esi, 0xb => replace to eb0a
// 31D2 xor edx, edx // 31D2 xor edx, edx
@ -785,33 +785,22 @@ BOOLEAN LOADER_ENTRY::KernelPatchPm(VOID *kernelData)
DBG_RT("=> xcpm_core_scope_msrs found at %llx\n", patchLocation1); DBG_RT("=> xcpm_core_scope_msrs found at %llx\n", patchLocation1);
if (Kernel[patchLocation1 + 7] == 0xE8) { if (Kernel[patchLocation1 + 7] == 0xE8) {
DBG_RT("=> patch applied\n"); DBG_RT("=> patch applied\n");
for (int i=0; i < 0x10; ++i) {
DBG_RT("%02x", Kernel[patchLocation1 + i]);
}
DBG_RT("\n");
Kernel[patchLocation1] = 0xEB; Kernel[patchLocation1] = 0xEB;
Kernel[patchLocation1 + 1] = 0x0A; Kernel[patchLocation1 + 1] = 0x0A;
} else { } else {
DBG_RT("=> patttern not good\n"); DBG_RT("=> pattern not good\n");
for (int i=0; 0x10; ++i) { for (int i=0; i < 0x10; ++i) {
DBG_RT("%02x", Kernel[patchLocation1 + i]); DBG_RT("%02x", Kernel[patchLocation1 + i]);
} }
DBG_RT("\n"); DBG_RT("\n");
} }
} }
UINTN symbol2 = searchProc(Kernel, "_xcpm_SMT_scope_msrs", &procLen);
patchLocation1 = FindRelative32(Kernel, procLocation, 0x200, symbol2); Stall(10000000);
if (patchLocation1 != 0) {
DBG_RT("=> _xcpm_SMT_scope_msrs found at %llx\n", patchLocation1);
if (Kernel[patchLocation1 + 7] == 0xE8) {
DBG_RT("=> patch applied\n");
Kernel[patchLocation1] = 0xEB;
Kernel[patchLocation1 + 1] = 0x0A;
} else {
DBG_RT("=> patttern not good\n");
for (int i=0; 0x10; ++i) {
DBG_RT("%02x", Kernel[patchLocation1 + i]);
}
DBG_RT("\n");
}
}
#else #else
// Credits to RehabMan for the kernel patch information // Credits to RehabMan for the kernel patch information