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/* SPDX-License-Identifier: GPL-2.0-or-later */
/* SPDX-FileCopyrightText: 2009 Juergen Beisert, Pengutronix */
/**
* @file
* @brief Adapt linker script content in accordance to Kconfig settings
*/
/**
* Area in the MBR of the barebox basic boot code. This offset must be in
* accordance to the 'indirect_sector_lba' label.
*/
#define PATCH_AREA 400
/**
* Offset where to store the boot drive number (BIOS number, 1 byte)
*/
#define PATCH_AREA_BOOT_DEV 16
/**
* Offset where to store information about the persistent environment storage
* It points to an LBA number (8 bytes) and defines the first sector of this
* storage on disk.
*/
#define PATCH_AREA_PERS_START 20
/**
* Offset where to store information about the persistent environment storage
* It points to a short number (2 bytes) and defines the sector count of this
* storage on disk.
*/
#define PATCH_AREA_PERS_SIZE 28
/**
* Offset where to store information about the persistent environment storage
* drive number (BIOS number, 1 byte)
*/
#define PATCH_AREA_PERS_DRIVE 30
/**
* Mark the persistent environment as not used
*/
#define PATCH_AREA_PERS_SIZE_UNUSED 0x000
/**
* Mark a DAPS as unused/invalid
*/
#define MARK_DAPS_INVALID 0x0000
/**
* Offset of the partition table in an MBR
*/
#define OFFSET_OF_PARTITION_TABLE 446
/**
* Offset of the signature in an MBR
*/
#define OFFSET_OF_SIGNATURE 510
/**
* Area where to store indirect sector to loop through. Keep this value
* in accordance to the 'indirect_area' label. Note: .
*
* @attention These addresses are real mode ones (seg:offset)
*/
#define INDIRECT_AREA 0x7A00
#define INDIRECT_SEGMENT 0x0000
/**
* Area where to load sectors from disk to. They should start after the
* MBR area and must be in accordance to the offset of the '.bootstrapping'
* section in the linker file.
*
* @attention The address must be a multiple of 512.
*/
#define LOAD_AREA 0x7e00
#define LOAD_SEGMENT 0x0000
/**
* Size of one sector.
*/
#define SECTOR_SIZE 512
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