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c82900b661
Flashmap, or simply fmap, is a binary data format for describing region offsets, sizes, and certain attributes and is widely used by coreboot. This patch adds support for the fmap data format version 1.1 and adds --fmap and --fmap-file arguments. Using --fmap will make flashrom to search the ROM content for fmap data. Using --fmap-file will make flashrom search a supplied file for fmap data. An example of how to update the COREBOOT region of a ROM: flashrom -p programmer --fmap -w coreboot.rom -i COREBOOT flashrom -p programmer --fmap-file coreboot.rom -w coreboot.rom -i COREBOOT The fmap functions are mostly copied from cbfstool. Currently it is made mutually exclusive with other layout options until we are more clever about this input. Change-Id: I0e7fad38ed79a84d41358e1f175c36d255786c12 Signed-off-by: Arthur Heymans <arthur@aheymans.xyz> Signed-off-by: David Hendricks <dhendricks@fb.com> Reviewed-on: https://review.coreboot.org/23203 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Tested-by: David Hendricks <david.hendricks@gmail.com> Reviewed-by: Werner Zeh <werner.zeh@siemens.com> Reviewed-by: Nico Huber <nico.h@gmx.de>
73 lines
3.0 KiB
C
73 lines
3.0 KiB
C
/*
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* This file is part of the flashrom project.
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*
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* Copyright (C) 2012 secunet Security Networks AG
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* (Written by Nico Huber <nico.huber@secunet.com> for secunet)
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*/
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#ifndef __LIBFLASHROM_H__
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#define __LIBFLASHROM_H__ 1
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#include <stdarg.h>
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int flashrom_init(int perform_selfcheck);
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int flashrom_shutdown(void);
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/** @ingroup flashrom-general */
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enum flashrom_log_level {
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FLASHROM_MSG_ERROR = 0,
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FLASHROM_MSG_WARN = 1,
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FLASHROM_MSG_INFO = 2,
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FLASHROM_MSG_DEBUG = 3,
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FLASHROM_MSG_DEBUG2 = 4,
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FLASHROM_MSG_SPEW = 5,
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};
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/** @ingroup flashrom-general */
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typedef int(flashrom_log_callback)(enum flashrom_log_level, const char *format, va_list);
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void flashrom_set_log_callback(flashrom_log_callback *);
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struct flashrom_programmer;
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int flashrom_programmer_init(struct flashrom_programmer **, const char *prog_name, const char *prog_params);
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int flashrom_programmer_shutdown(struct flashrom_programmer *);
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struct flashrom_flashctx;
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int flashrom_flash_probe(struct flashrom_flashctx **, const struct flashrom_programmer *, const char *chip_name);
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size_t flashrom_flash_getsize(const struct flashrom_flashctx *);
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int flashrom_flash_erase(struct flashrom_flashctx *);
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void flashrom_flash_release(struct flashrom_flashctx *);
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/** @ingroup flashrom-flash */
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enum flashrom_flag {
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FLASHROM_FLAG_FORCE,
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FLASHROM_FLAG_FORCE_BOARDMISMATCH,
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FLASHROM_FLAG_VERIFY_AFTER_WRITE,
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FLASHROM_FLAG_VERIFY_WHOLE_CHIP,
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};
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void flashrom_flag_set(struct flashrom_flashctx *, enum flashrom_flag, bool value);
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bool flashrom_flag_get(const struct flashrom_flashctx *, enum flashrom_flag);
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int flashrom_image_read(struct flashrom_flashctx *, void *buffer, size_t buffer_len);
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int flashrom_image_write(struct flashrom_flashctx *, void *buffer, size_t buffer_len, const void *refbuffer);
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int flashrom_image_verify(struct flashrom_flashctx *, const void *buffer, size_t buffer_len);
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struct flashrom_layout;
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int flashrom_layout_read_from_ifd(struct flashrom_layout **, struct flashrom_flashctx *, const void *dump, size_t len);
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int flashrom_layout_read_fmap_from_rom(struct flashrom_layout **,
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struct flashrom_flashctx *, off_t offset, size_t length);
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int flashrom_layout_read_fmap_from_buffer(struct flashrom_layout **layout,
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struct flashrom_flashctx *, const uint8_t *buf, size_t len);
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int flashrom_layout_include_region(struct flashrom_layout *, const char *name);
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void flashrom_layout_release(struct flashrom_layout *);
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void flashrom_layout_set(struct flashrom_flashctx *, const struct flashrom_layout *);
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#endif /* !__LIBFLASHROM_H__ */
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