mirror of
https://github.com/CloverHackyColor/CloverBootloader.git
synced 2024-11-30 12:43:41 +01:00
50 lines
1.4 KiB
C
50 lines
1.4 KiB
C
/** @file
|
|
Copyright (C) 2019, vit9696. All rights reserved.
|
|
|
|
All rights reserved.
|
|
|
|
This program and the accompanying materials
|
|
are licensed and made available under the terms and conditions of the BSD License
|
|
which accompanies this distribution. The full text of the license may be found at
|
|
http://opensource.org/licenses/bsd-license.php
|
|
|
|
THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
|
|
WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
|
|
**/
|
|
|
|
#ifndef CONTEXT_SWITCH_H
|
|
#define CONTEXT_SWITCH_H
|
|
|
|
//
|
|
// Structure definitions shared with ASM code.
|
|
// Keep these definitions in sync with ContextSwitch.nasm!
|
|
//
|
|
|
|
#pragma pack(push, 1)
|
|
|
|
/**
|
|
Assembly support state.
|
|
This state is used as an intermediate structure to hold UEFI environment
|
|
context and kernel environment context for switching between 32-bit
|
|
and 64-bit modes during booting as normal XNU boot still happens in 32-bit.
|
|
**/
|
|
typedef PACKED struct ASM_SUPPORT_STATE_ {
|
|
VOID *KernelEntry;
|
|
} ASM_SUPPORT_STATE;
|
|
|
|
/**
|
|
Assembly kernel trampoline.
|
|
This structure contains encoded assembly to jump from kernel
|
|
code to UEFI code through AsmAppleMapPlatformPrepareKernelState
|
|
intermediate handler.
|
|
**/
|
|
typedef PACKED struct ASM_KERNEL_JUMP_ {
|
|
UINT8 MovInst;
|
|
UINT32 Addr;
|
|
UINT16 CallInst;
|
|
} ASM_KERNEL_JUMP;
|
|
|
|
#pragma pack(pop)
|
|
|
|
#endif // CONTEXT_SWITCH_H
|