106 lines
3.7 KiB
C
106 lines
3.7 KiB
C
/**
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Methods for setting callback jump from kernel entry point, callback, fixes to kernel boot image.
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by dmazar
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**/
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/* DevTree may contain /chosen/memory-map
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* with properties with values = UINT32 address, UINT32 length:
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* "BootCLUT" = 8bit boot time colour lookup table
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* "Pict-FailedBoot" = picture shown if booting fails
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* "RAMDisk" = ramdisk
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* "Driver-<hex addr of DriverInfo>" = Kext, UINT32 address points to BooterKextFileInfo
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* "DriversPackage-..." = MKext, UINT32 address points to mkext_header (libkern/libkern/mkext.h), UINT32 length
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*
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*/
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#define BOOTER_KEXT_PREFIX "Driver-"
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#define BOOTER_MKEXT_PREFIX "DriversPackage-"
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#define BOOTER_RAMDISK_PREFIX "RAMDisk"
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/** Struct at the beginning of every loaded kext.
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* Pointers to every loaded kext (to this struct) are
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* properties Driver-<hex addr of DriverInfo> in DevTree /chosen/memory-map
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*/
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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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struct DTMemMapEntry {
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UINT32 Address;
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UINT32 Length;
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};
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typedef struct DTMemMapEntry DTMemMapEntry;
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typedef struct {
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EFI_PHYSICAL_ADDRESS PhysicalStart;
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EFI_MEMORY_TYPE Type;
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} RT_RELOC_PROTECT_INFO;
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typedef struct {
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UINTN NumEntries;
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RT_RELOC_PROTECT_INFO RelocInfo[50]; // You probably want to adapt this.
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} RT_RELOC_PROTECT_DATA;
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extern EFI_PHYSICAL_ADDRESS gRelocBase;
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extern EFI_PHYSICAL_ADDRESS gSysTableRtArea;
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extern BOOLEAN gHibernateWake;
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extern UINTN gLastMemoryMapSize;
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extern EFI_MEMORY_DESCRIPTOR *gLastMemoryMap;
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extern UINTN gLastDescriptorSize;
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extern UINT32 gLastDescriptorVersion;
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EFI_STATUS PrepareJumpFromKernel(VOID);
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EFI_STATUS KernelEntryPatchJump(UINT32 KernelEntry);
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EFI_STATUS KernelEntryFromMachOPatchJump(VOID *MachOImage, UINTN SlideAddr);
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//EFI_STATUS KernelEntryPatchJumpFill(VOID);
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EFI_STATUS KernelEntryPatchHalt(UINT32 KernelEntry);
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EFI_STATUS KernelEntryPatchZero(UINT32 KernelEntry);
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EFI_STATUS
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ExecSetVirtualAddressesToMemMap(
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IN UINTN MemoryMapSize,
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IN UINTN DescriptorSize,
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IN UINT32 DescriptorVersion,
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IN EFI_MEMORY_DESCRIPTOR *MemoryMap
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);
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VOID
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CopyEfiSysTableToSeparateRtDataArea(IN OUT UINT32 *EfiSystemTable);
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VOID
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ProtectRtDataFromRelocation(
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IN UINTN MemoryMapSize,
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IN UINTN DescriptorSize,
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IN UINT32 DescriptorVersion,
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IN EFI_MEMORY_DESCRIPTOR *MemoryMap
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);
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VOID
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VirtualizeRTShimPointers (UINTN MemoryMapSize, UINTN DescriptorSize, EFI_MEMORY_DESCRIPTOR *MemoryMap);
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VOID
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DefragmentRuntimeServices(
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IN UINTN MemoryMapSize,
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IN UINTN DescriptorSize,
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IN UINT32 DescriptorVersion,
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IN EFI_MEMORY_DESCRIPTOR *MemoryMap,
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IN OUT UINT32 *EfiSystemTable,
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IN BOOLEAN SkipOurSysTableRtArea
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);
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/** Fixes stuff for booting with relocation block. Called when boot.efi jumps to kernel. */
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UINTN FixBootingWithRelocBlock(UINTN bootArgs, BOOLEAN ModeX64);
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/** Fixes stuff for booting without relocation block. Called when boot.efi jumps to kernel. */
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UINTN FixBootingWithoutRelocBlock(UINTN bootArgs, BOOLEAN ModeX64);
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/** Fixes stuff for hibernate wake booting without relocation block. Called when boot.efi jumps to kernel. */
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UINTN FixHibernateWakeWithoutRelocBlock(UINTN imageHeaderPage, BOOLEAN ModeX64);
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