mirror of
https://github.com/CloverHackyColor/CloverBootloader.git
synced 2024-11-13 10:04:04 +01:00
50 lines
1.1 KiB
C
50 lines
1.1 KiB
C
/**
|
|
|
|
Some assembler helper functions plus boot.efi kernel jump callback
|
|
|
|
by dmazar
|
|
|
|
**/
|
|
|
|
#ifndef APTIOFIX_ASM_FUNCS_H
|
|
#define APTIOFIX_ASM_FUNCS_H
|
|
|
|
#include <Library/BaseLib.h>
|
|
|
|
/** Save 64 bit state that will be restored on callback. */
|
|
VOID
|
|
EFIAPI
|
|
AsmPrepareJumpFromKernel (
|
|
VOID
|
|
);
|
|
|
|
/** Start and end address of the 32 and 64 bit code
|
|
that is copied to kernel entry address to jump back
|
|
to our code, to AsmJumpFromKernel().
|
|
*/
|
|
extern UINT8 EntryPatchCode;
|
|
extern UINT8 EntryPatchCodeEnd;
|
|
|
|
/** Callback function, 32 and 64 bit, that is called when boot.efi jumps to kernel address. */
|
|
VOID
|
|
EFIAPI
|
|
AsmJumpFromKernel (
|
|
VOID
|
|
);
|
|
|
|
/** 32 bit function start and end that copies kernel to proper mem and jumps to kernel. */
|
|
extern UINT8 JumpToKernel;
|
|
extern UINT8 JumpToKernel32;
|
|
extern UINT8 JumpToKernel64;
|
|
extern UINT8 JumpToKernelEnd;
|
|
|
|
extern UINTN SavedCR3;
|
|
extern IA32_DESCRIPTOR SavedGDTR;
|
|
extern IA32_DESCRIPTOR SavedIDTR;
|
|
|
|
extern UINT64 AsmKernelEntry;
|
|
extern UINT64 JumpToKernel32Addr;
|
|
extern UINT64 JumpToKernel64Addr;
|
|
|
|
#endif // APTIOFIX_ASM_FUNCS_H
|