2019-09-03 11:58:42 +02:00
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/*++
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Copyright (c) 2006 - 2008, Intel Corporation
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All rights reserved. This program and the accompanying materials
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are licensed and made available under the terms and conditions of the BSD License
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which accompanies this distribution. The full text of the license may be found at
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http://opensource.org/licenses/bsd-license.php
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THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
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WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
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Module Name:
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LegacyBiosThunk.h
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Abstract:
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--*/
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#ifndef _LEGACY_BIOS_THUNK_H_
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#define _LEGACY_BIOS_THUNK_H_
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2020-02-17 21:41:09 +01:00
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extern "C" {
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2019-09-03 11:58:42 +02:00
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#include <Uefi.h>
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//
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// Driver Consumed Protocol Prototypes
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//
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#include <Protocol/DevicePath.h>
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#include <Protocol/PciIo.h>
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#include <Protocol/DriverBinding.h>
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#include <Protocol/ComponentName.h>
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#include <Protocol/ComponentName2.h>
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#include <Protocol/UgaDraw.h>
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#include <Protocol/VgaMiniPort.h>
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#include <Protocol/Legacy8259.h>
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#include <Protocol/EdidActive.h>
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#include <Protocol/EdidDiscovered.h>
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#include <Protocol/DevicePath.h>
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#include <Protocol/Timer.h>
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#include <Library/UefiLib.h>
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#include <Library/DebugLib.h>
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#include <Library/PrintLib.h>
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#include <Library/BaseLib.h>
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#include <Library/UefiBootServicesTableLib.h>
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#include <Library/BaseMemoryLib.h>
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#include <Library/MemoryAllocationLib.h>
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#include <Library/DevicePathLib.h>
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#include <Library/GenericBdsLib.h>
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#include <Library/IoLib.h>
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#include <IndustryStandard/Pci.h>
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2020-02-17 21:41:09 +01:00
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} // extern "C"
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2019-09-03 11:58:42 +02:00
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#define EFI_SEGMENT(_Adr) (UINT16) ((UINT16) (((UINTN) (_Adr)) >> 4) & 0xf000)
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#define EFI_OFFSET(_Adr) (UINT16) (((UINT16) ((UINTN) (_Adr))) & 0xffff)
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// 8259 Interrupt Controller Hardware definitions
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#define LEGACY_MODE_BASE_VECTOR_MASTER 0x08
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#define LEGACY_MODE_BASE_VECTOR_SLAVE 0x70
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#define PROTECTED_MODE_BASE_VECTOR_MASTER 0x68
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#define PROTECTED_MODE_BASE_VECTOR_SLAVE 0x70
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// 8254 Timer Hardware definitions
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#define TIMER_CONTROL_PORT 0x43
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#define TIMER0_COUNT_PORT 0x40
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#define TIMER0_CONTROL_WORD 0x36
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//
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// Function declarations
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//
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/*EFI_STATUS
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EFIAPI
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InitializeLegacyBiosThunk (
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IN EFI_HANDLE ImageHandle,
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IN EFI_SYSTEM_TABLE *SystemTable
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);*/
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EFI_STATUS
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InitializeBiosIntCaller (
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// THUNK_CONTEXT *ThunkContext
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);
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EFI_STATUS
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InitializeInterruptRedirection (
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// IN EFI_LEGACY_8259_PROTOCOL *Legacy8259
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);
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BOOLEAN
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EFIAPI
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LegacyBiosInt86 (
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// IN EFI_LEGACY_BIOS_THUNK_PROTOCOL *This,
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IN UINT8 BiosInt,
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IN IA32_REGISTER_SET *Regs
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);
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BOOLEAN
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EFIAPI
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LegacyBiosFarCall86 (
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// IN EFI_LEGACY_BIOS_THUNK_PROTOCOL *This,
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IN UINT16 Segment,
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IN UINT16 Offset,
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IN IA32_REGISTER_SET *Regs //,
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// IN VOID *Stack,
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// IN UINTN StackSize
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);
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#endif
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