mirror of
https://github.com/CloverHackyColor/CloverBootloader.git
synced 2024-12-24 16:27:42 +01:00
79 lines
2.3 KiB
C
79 lines
2.3 KiB
C
/*++
|
|
|
|
Copyright (c) 2006 - 2008, Intel Corporation
|
|
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.
|
|
|
|
Module Name:
|
|
LegacyBiosThunk.h
|
|
|
|
Abstract:
|
|
|
|
--*/
|
|
#ifndef _LEGACY_BIOS_THUNK_H_
|
|
#define _LEGACY_BIOS_THUNK_H_
|
|
|
|
|
|
#define EFI_SEGMENT(_Adr) (UINT16) ((UINT16) (((UINTN) (_Adr)) >> 4) & 0xf000)
|
|
#define EFI_OFFSET(_Adr) (UINT16) (((UINT16) ((UINTN) (_Adr))) & 0xffff)
|
|
|
|
// 8259 Interrupt Controller Hardware definitions
|
|
|
|
#define LEGACY_MODE_BASE_VECTOR_MASTER 0x08
|
|
#define LEGACY_MODE_BASE_VECTOR_SLAVE 0x70
|
|
|
|
#define PROTECTED_MODE_BASE_VECTOR_MASTER 0x68
|
|
#define PROTECTED_MODE_BASE_VECTOR_SLAVE 0x70
|
|
|
|
// 8254 Timer Hardware definitions
|
|
|
|
#define TIMER_CONTROL_PORT 0x43
|
|
#define TIMER0_COUNT_PORT 0x40
|
|
#define TIMER0_CONTROL_WORD 0x36
|
|
|
|
//
|
|
// Function declarations
|
|
//
|
|
/*EFI_STATUS
|
|
EFIAPI
|
|
InitializeLegacyBiosThunk (
|
|
IN EFI_HANDLE ImageHandle,
|
|
IN EFI_SYSTEM_TABLE *SystemTable
|
|
);*/
|
|
|
|
EFI_STATUS
|
|
InitializeBiosIntCaller (
|
|
// THUNK_CONTEXT *ThunkContext
|
|
);
|
|
|
|
EFI_STATUS
|
|
InitializeInterruptRedirection (
|
|
// IN EFI_LEGACY_8259_PROTOCOL *Legacy8259
|
|
);
|
|
|
|
BOOLEAN
|
|
EFIAPI
|
|
LegacyBiosInt86 (
|
|
// IN EFI_LEGACY_BIOS_THUNK_PROTOCOL *This,
|
|
IN UINT8 BiosInt,
|
|
IN IA32_REGISTER_SET *Regs
|
|
);
|
|
|
|
BOOLEAN
|
|
EFIAPI
|
|
LegacyBiosFarCall86 (
|
|
// IN EFI_LEGACY_BIOS_THUNK_PROTOCOL *This,
|
|
IN UINT16 Segment,
|
|
IN UINT16 Offset,
|
|
IN IA32_REGISTER_SET *Regs //,
|
|
// IN void *Stack,
|
|
// IN UINTN StackSize
|
|
);
|
|
|
|
#endif
|