mirror of
https://github.com/CloverHackyColor/CloverBootloader.git
synced 2024-12-24 16:27:42 +01:00
200 lines
7.8 KiB
C
200 lines
7.8 KiB
C
/*
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* Copyright (c) 2009-2010 Frank peng. All rights reserved.
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*
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*/
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#ifndef __LIBSAIO_KERNEL_PATCHER_H
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#define __LIBSAIO_KERNEL_PATCHER_H
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#include "boot.h"
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#define DBG_RT( ...) if ((KernelAndKextPatches != NULL) && KernelAndKextPatches->KPDebug) { printf(__VA_ARGS__); }
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#define CPUFAMILY_INTEL_6_13 0xaa33392b
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#define CPUFAMILY_INTEL_YONAH 0x73d67300
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#define CPUFAMILY_INTEL_MEROM 0x426f69ef
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#define CPUFAMILY_INTEL_PENRYN 0x78ea4fbc
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#define CPUFAMILY_INTEL_NEHALEM 0x6b5a4cd2
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#define CPUFAMILY_INTEL_WESTMERE 0x573b5eec
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#define CPUIDFAMILY_DEFAULT 6
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#define MACH_GET_MAGIC(hdr) (((struct mach_header_64*)(hdr))->magic)
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#define MACH_GET_NCMDS(hdr) (((struct mach_header_64*)(hdr))->ncmds)
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#define MACH_GET_CPU(hdr) (((struct mach_header_64*)(hdr))->cputype)
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#define MACH_GET_FLAGS(hdr) (((struct mach_header_64*)(hdr))->flags)
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#define SC_GET_CMD(hdr) (((struct segment_command_64*)(hdr))->cmd)
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const char kPrelinkTextSegment[] = "__PRELINK_TEXT";
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const char kPrelinkTextSection[] = "__text";
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const char kPrelinkLinkStateSegment[] = "__PRELINK_STATE";
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const char kPrelinkKernelLinkStateSection[] = "__kernel";
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const char kPrelinkKextsLinkStateSection[] = "__kexts";
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const char kPrelinkInfoSegment[] = "__PRELINK_INFO";
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const char kPrelinkInfoSection[] = "__info";
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const char kLinkEditSegment[] = "__LINKEDIT";
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const char kTextSegment[] = "__TEXT";
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const char kDataSegment[] = "__DATA";
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const char kDataConstSegment[] = "__DATA_CONST";
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const char kKldSegment[] = "__KLD";
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const char kConstSection[] = "__const";
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const char kBssSection[] = "__bss";
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const char kCommonSection[] = "__common";
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const char kDataSection[] = "__data";
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#define ID_SEG_STEXT 0x010e
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#define ID_SEG_TEXT 0x010f
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#define ID_SEG_TEXT_CONST 0x030e
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#define ID_SEG_DATA_DATA 0x080e
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#define ID_SEG_DATA_DATA2 0x081e
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#define ID_SEC_BSS 0x0a0e
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#define ID_SEC_CONST 0x070f
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#define ID_SEG_DATA_COMMON 0x090f
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#define ID_SEG_DATA 0x0f0f
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#define ID_SEG_DATA_CONST 0x110f
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#define ID_SEG_KLD 0x180f
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#define ID_SEG_KLD2 0x1a0f
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#define ID_SEG_KLD3 0x210f
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const char ctor_used[] = ".constructors_used";
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const char kPrelinkBundlePathKey[] = "_PrelinkBundlePath";
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const char kPrelinkExecutableRelativePathKey[] = "_PrelinkExecutableRelativePath";
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const char kPrelinkExecutableLoadKey[] = "_PrelinkExecutableLoadAddr";
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const char kPrelinkExecutableSourceKey[] = "_PrelinkExecutableSourceAddr";
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const char kPrelinkExecutableSizeKey[] = "_PrelinkExecutableSize";
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const char kPrelinkInfoDictionaryKey[] = "_PrelinkInfoDictionary";
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const char kPrelinkInterfaceUUIDKey[] = "_PrelinkInterfaceUUID";
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const char kPrelinkKmodInfoKey[] = "_PrelinkKmodInfo";
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const char kPrelinkLinkStateKey[] = "_PrelinkLinkState";
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const char kPrelinkLinkStateSizeKey[] = "_PrelinkLinkStateSize";
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#define kPropCFBundleIdentifier ("CFBundleIdentifier")
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#define kPropCFBundleExecutable ("CFBundleExecutable")
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#define kPropOSBundleRequired ("OSBundleRequired")
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#define kPropOSBundleLibraries ("OSBundleLibraries")
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#define kPropIOKitPersonalities ("IOKitPersonalities")
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#define kPropIONameMatch ("IONameMatch")
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typedef struct _BooterKextFileInfo {
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UINT32 infoDictPhysAddr;
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UINT32 infoDictLength;
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UINT32 executablePhysAddr;
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UINT32 executableLength;
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UINT32 bundlePathPhysAddr;
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UINT32 bundlePathLength;
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} _BooterKextFileInfo;
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typedef struct _DeviceTreeBuffer {
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uint32_t paddr;
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uint32_t length;
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} _DeviceTreeBuffer;
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typedef struct VTABLE {
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UINT32 NameOffset;
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UINT32 Seg;
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UINT64 ProcAddr;
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} VTABLE;
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typedef struct SEGMENT {
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CHAR8 Name[16]; //0
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UINT64 SegAddress; //0x10
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UINT64 vmsize; //0x18 0x16FB60
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UINT32 fileoff; //0x20 0xDDA000 //Slice - it is not UINT64. MachoLib is wrong
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UINT32 fileoff64; //0x24
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UINT32 filesize; //0x28 0x16FB60
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UINT32 filesize64; //0x2c
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UINT32 maxprot; //0x30 01-Cat 07-Moj
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UINT32 initprot; //0x34 01
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UINT32 NumSects; //0x38 00
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UINT32 Flags; //0x3C 00
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UINT32 Cmd; //0x40 02 //LC_SYMTAB link-edit stab symbol table info
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UINT32 Cmdsize; //0x44 18
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UINT32 AddrVtable; //0x48
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UINT32 SizeVtable; //0x4C
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UINT32 AddrNames; //0x50
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UINT32 SizeNamesTable;
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} SEGMENT;
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//extern EFI_PHYSICAL_ADDRESS KernelRelocBase;
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//extern BootArgs1 *bootArgs1;
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//extern BootArgs2 *bootArgs2;
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//extern CHAR8 *dtRoot;
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//extern UINT32 *dtLength;
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//extern UINT8 *KernelData;
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//extern UINT32 KernelSlide;
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//extern BOOLEAN isKernelcache;
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//extern BOOLEAN is64BitKernel;
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//extern BOOLEAN gSNBEAICPUFixRequire; // SandyBridge-E AppleIntelCpuPowerManagement patch require or not
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//extern BOOLEAN gBDWEIOPCIFixRequire; // Broadwell-E IOPCIFamily fix require or not
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//extern UINT32 DisplayVendor[];
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//VOID findCPUfamily();
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//extern BOOLEAN SSSE3;
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//UINT64 kernelsize;
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//VOID Patcher_SSE3_5(VOID* kernelData);
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//VOID Patcher_SSE3_6(VOID* kernelData);
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//VOID Patcher_SSE3_7();
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//#include "../gui/menu_items/menu_items.h" // for LOADER_ENTRY
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//class LOADER_ENTRY;
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//VOID KernelAndKextsPatcherStart(IN LOADER_ENTRY *Entry);
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//VOID register_kernel_symbol(CONST CHAR8* name);
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//UINT64 symbol_handler(CHAR8* symbolName, UINT64 addr);
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//INTN locate_symbols(VOID* kernelData);
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/////////////////////
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//
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// kext_patcher.c
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//
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//
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// Called from SetFSInjection(), before boot.efi is started,
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// to allow patchers to prepare FSInject to force load needed kexts.
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//
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//VOID KextPatcherRegisterKexts(FSINJECTION_PROTOCOL *FSInject, FSI_STRING_LIST *ForceLoadKexts, LOADER_ENTRY *Entry);
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//
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// Entry for all kext patches.
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// Will iterate through kext in prelinked kernel (kernelcache)
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// or DevTree (drivers boot) and do patches.
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//
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//VOID KextPatcherStart(LOADER_ENTRY *Entry);
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//
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// Searches Source for Search pattern of size SearchSize
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// and returns the number of occurences.
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//
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UINTN SearchAndCount(const UINT8 *Source, UINT64 SourceSize, const UINT8 *Search, UINTN SearchSize);
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BOOLEAN CompareMemMask(const UINT8 *Source, const UINT8 *Search, UINTN SearchSize, const UINT8 *Mask, UINTN MaskSize);
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VOID CopyMemMask(UINT8 *Dest, const UINT8 *Replace, const UINT8 *Mask, UINTN SearchSize);
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UINTN FindMemMask(const UINT8 *Source, UINTN SourceSize, const UINT8 *Search, UINTN SearchSize, const UINT8 *MaskSearch, UINTN MaskSize);
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UINTN FindRelative32(const UINT8 *Source, UINTN Start, UINTN SourceSize, UINTN taskLocation);
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UINTN FindSection(const UINT8 *Source, UINTN len, const UINT8* seg, const UINT8* sec);
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//
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// Searches Source for Search pattern of size SearchSize
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// and replaces it with Replace up to MaxReplaces times.
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// If MaxReplaces <= 0, then there is no restriction on number of replaces.
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// Replace should have the same size as Search.
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// Returns number of replaces done.
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//
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UINTN SearchAndReplace(UINT8 *Source, UINT64 SourceSize, const UINT8 *Search, UINTN SearchSize, const UINT8 *Replace, INTN MaxReplaces);
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UINTN SearchAndReplaceMask(UINT8 *Source, UINT64 SourceSize, const UINT8 *Search, const UINT8 *MaskSearch, UINTN SearchSize,
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const UINT8 *Replace, const UINT8 *MaskReplace, INTN MaxReplaces);
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#endif /* !__LIBSAIO_KERNEL_PATCHER_H */
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