#include "LegacyBootInternal.h"

Data Structures
struct	DEVICE_ADDRESS_PACKET

Macros
#define	BIOS_PASS 0x00

#define	BIOS_WRITE_PROTECTED 0x03

#define	BIOS_SECTOR_NOT_FOUND 0x04

#define	BIOS_RESET_FAILED 0x05

#define	BIOS_DISK_CHANGED 0x06

#define	BIOS_DRIVE_DOES_NOT_EXIST 0x07

#define	BIOS_DMA_ERROR 0x08

#define	BIOS_DATA_BOUNDRY_ERROR 0x09

#define	BIOS_BAD_SECTOR 0x0a

#define	BIOS_BAD_TRACK 0x0b

#define	BIOS_MEADIA_TYPE_NOT_FOUND 0x0c

#define	BIOS_INVALED_FORMAT 0x0d

#define	BIOS_ECC_ERROR 0x10

#define	BIOS_ECC_CORRECTED_ERROR 0x11

#define	BIOS_HARD_DRIVE_FAILURE 0x20

#define	BIOS_SEEK_FAILED 0x40

#define	BIOS_DRIVE_TIMEOUT 0x80

#define	BIOS_DRIVE_NOT_READY 0xaa

#define	BIOS_UNDEFINED_ERROR 0xbb

#define	BIOS_WRITE_FAULT 0xcc

#define	BIOS_SENSE_FAILED 0xff

#define	BIOS_DISK_CHECK_BUFFER_SECTOR_COUNT 4

Functions
STATIC EFI_STATUS	BiosDiskReset (IN THUNK_CONTEXT ThunkContext, IN EFI_LEGACY_8259_PROTOCOL Legacy8259, IN UINT8 DriveNumber)

STATIC EFI_STATUS	BiosDiskExtensionsSupported (IN THUNK_CONTEXT ThunkContext, IN EFI_LEGACY_8259_PROTOCOL Legacy8259, IN UINT8 DriveNumber)

STATIC EFI_STATUS	BiosDiskReadExtSectors (IN THUNK_CONTEXT ThunkContext, IN EFI_LEGACY_8259_PROTOCOL Legacy8259, IN DEVICE_ADDRESS_PACKET DeviceAddressPacket, IN UINT8 DriveNumber, IN UINT64 Lba, IN UINT8 NumSectors, IN OUT UINT8 Buffer)

EFI_STATUS	InternalGetBiosDiskAddress (IN THUNK_CONTEXT ThunkContext, IN EFI_LEGACY_8259_PROTOCOL Legacy8259, IN EFI_HANDLE DiskHandle, OUT UINT8 *DriveAddress)

Detailed Description

Copyright (C) 2023, Goldfish64. All rights reserved.
SPDX-License-Identifier: BSD-3-Clause

Definition in file BiosDisk.c.

Macro Definition Documentation

◆ BIOS_BAD_SECTOR

#define BIOS_BAD_SECTOR 0x0a

Definition at line 19 of file BiosDisk.c.

◆ BIOS_BAD_TRACK

#define BIOS_BAD_TRACK 0x0b

Definition at line 20 of file BiosDisk.c.

◆ BIOS_DATA_BOUNDRY_ERROR

#define BIOS_DATA_BOUNDRY_ERROR 0x09

Definition at line 18 of file BiosDisk.c.

◆ BIOS_DISK_CHANGED

#define BIOS_DISK_CHANGED 0x06

Definition at line 15 of file BiosDisk.c.

◆ BIOS_DISK_CHECK_BUFFER_SECTOR_COUNT

#define BIOS_DISK_CHECK_BUFFER_SECTOR_COUNT 4

Definition at line 42 of file BiosDisk.c.

◆ BIOS_DMA_ERROR

#define BIOS_DMA_ERROR 0x08

Definition at line 17 of file BiosDisk.c.

◆ BIOS_DRIVE_DOES_NOT_EXIST

#define BIOS_DRIVE_DOES_NOT_EXIST 0x07

Definition at line 16 of file BiosDisk.c.

◆ BIOS_DRIVE_NOT_READY

#define BIOS_DRIVE_NOT_READY 0xaa

Definition at line 28 of file BiosDisk.c.

◆ BIOS_DRIVE_TIMEOUT

#define BIOS_DRIVE_TIMEOUT 0x80

Definition at line 27 of file BiosDisk.c.

◆ BIOS_ECC_CORRECTED_ERROR

#define BIOS_ECC_CORRECTED_ERROR 0x11

Definition at line 24 of file BiosDisk.c.

◆ BIOS_ECC_ERROR

#define BIOS_ECC_ERROR 0x10

Definition at line 23 of file BiosDisk.c.

◆ BIOS_HARD_DRIVE_FAILURE

#define BIOS_HARD_DRIVE_FAILURE 0x20

Definition at line 25 of file BiosDisk.c.

◆ BIOS_INVALED_FORMAT

#define BIOS_INVALED_FORMAT 0x0d

Definition at line 22 of file BiosDisk.c.

◆ BIOS_MEADIA_TYPE_NOT_FOUND

#define BIOS_MEADIA_TYPE_NOT_FOUND 0x0c

Definition at line 21 of file BiosDisk.c.

◆ BIOS_PASS

#define BIOS_PASS 0x00

Definition at line 11 of file BiosDisk.c.

◆ BIOS_RESET_FAILED

#define BIOS_RESET_FAILED 0x05

Definition at line 14 of file BiosDisk.c.

◆ BIOS_SECTOR_NOT_FOUND

#define BIOS_SECTOR_NOT_FOUND 0x04

Definition at line 13 of file BiosDisk.c.

◆ BIOS_SEEK_FAILED

#define BIOS_SEEK_FAILED 0x40

Definition at line 26 of file BiosDisk.c.

◆ BIOS_SENSE_FAILED

#define BIOS_SENSE_FAILED 0xff

Definition at line 31 of file BiosDisk.c.

◆ BIOS_UNDEFINED_ERROR

#define BIOS_UNDEFINED_ERROR 0xbb

Definition at line 29 of file BiosDisk.c.

◆ BIOS_WRITE_FAULT

#define BIOS_WRITE_FAULT 0xcc

Definition at line 30 of file BiosDisk.c.

◆ BIOS_WRITE_PROTECTED

#define BIOS_WRITE_PROTECTED 0x03

Definition at line 12 of file BiosDisk.c.

Function Documentation

◆ BiosDiskExtensionsSupported()

STATIC EFI_STATUS BiosDiskExtensionsSupported	(	IN THUNK_CONTEXT *	ThunkContext,
		IN EFI_LEGACY_8259_PROTOCOL *	Legacy8259,
		IN UINT8	DriveNumber )

Definition at line 79 of file BiosDisk.c.

◆ BiosDiskReadExtSectors()

STATIC EFI_STATUS BiosDiskReadExtSectors	(	IN THUNK_CONTEXT *	ThunkContext,
		IN EFI_LEGACY_8259_PROTOCOL *	Legacy8259,
		IN DEVICE_ADDRESS_PACKET *	DeviceAddressPacket,
		IN UINT8	DriveNumber,
		IN UINT64	Lba,
		IN UINT8	NumSectors,
		IN OUT UINT8 *	Buffer )

Definition at line 104 of file BiosDisk.c.

◆ BiosDiskReset()

STATIC EFI_STATUS BiosDiskReset	(	IN THUNK_CONTEXT *	ThunkContext,
		IN EFI_LEGACY_8259_PROTOCOL *	Legacy8259,
		IN UINT8	DriveNumber )

Definition at line 46 of file BiosDisk.c.

◆ InternalGetBiosDiskAddress()

EFI_STATUS InternalGetBiosDiskAddress	(	IN THUNK_CONTEXT *	ThunkContext,
		IN EFI_LEGACY_8259_PROTOCOL *	Legacy8259,
		IN EFI_HANDLE	DiskHandle,
		OUT UINT8 *	DriveAddress )

Definition at line 140 of file BiosDisk.c.

Data Structures

Macros

Functions