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c09a2f5387
Change-Id: Ic24a54ab520053e49efcba02bd9fa5b8ce69b20a Signed-off-by: Anastasia Klimchuk <aklm@flashrom.org> Reviewed-on: https://review.coreboot.org/c/flashrom/+/89956 Reviewed-by: Antonio Vázquez Blanco <antoniovazquezblanco@gmail.com> Reviewed-by: Sergii Dmytruk <sergii.dmytruk@3mdeb.com> Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
85 lines
3.1 KiB
C
85 lines
3.1 KiB
C
/*
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* This file is part of the flashrom project.
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*
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* SPDX-License-Identifier: GPL-2.0-or-later
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* SPDX-FileCopyrightText: 2005-2008 coresystems GmbH (Written by Stefan Reinauer <stepan@coresystems.de> for coresystems GmbH)
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* SPDX-FileCopyrightText: 2011-2013 Stefan Tauner
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* SPDX-FileCopyrightText: 2016 secunet Security Networks AG (Written by Nico Huber <nico.huber@secunet.com> for secunet)
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*/
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#ifndef __LAYOUT_H__
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#define __LAYOUT_H__ 1
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#include <stddef.h>
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#include <stdint.h>
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#include <stdbool.h>
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/* Types and macros regarding the maximum flash space size supported by generic code. */
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typedef uint32_t chipoff_t; /* Able to store any addressable offset within a supported flash memory. */
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typedef uint32_t chipsize_t; /* Able to store the number of bytes of any supported flash memory. */
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#define FL_MAX_CHIPOFF_BITS (24)
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#define FL_MAX_CHIPOFF ((chipoff_t)(1ULL<<FL_MAX_CHIPOFF_BITS)-1)
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#define PRIxCHIPOFF "06"PRIx32
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#define PRIuCHIPSIZE PRIu32
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#define MAX_ROMLAYOUT 128
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struct flash_region {
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char *name;
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/*
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* Note that because start and end are chipoff_t, end is an inclusive upper
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* bound: the length of a region is (end - start + 1) bytes and it is
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* impossible to represent a region with zero length.
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*/
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chipoff_t start;
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chipoff_t end;
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bool read_prot;
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bool write_prot;
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};
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struct romentry {
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struct romentry *next;
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bool included;
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char *file;
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struct flash_region region;
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};
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struct protected_ranges {
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int count;
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struct flash_region *ranges;
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};
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struct flashrom_layout;
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struct layout_include_args;
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struct flashrom_flashctx;
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const struct flashrom_layout *get_default_layout(const struct flashrom_flashctx *);
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const struct flashrom_layout *get_layout(const struct flashrom_flashctx *);
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int layout_from_file(struct flashrom_layout **, const char *name);
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int register_include_arg(struct layout_include_args **, const char *arg);
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int process_include_args(struct flashrom_layout *, const struct layout_include_args *);
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int check_include_args_filename(const struct layout_include_args *);
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void cleanup_include_args(struct layout_include_args **);
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const struct romentry *layout_next_included_region(const struct flashrom_layout *, chipoff_t);
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const struct romentry *layout_next_included(const struct flashrom_layout *, const struct romentry *);
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const struct romentry *layout_next(const struct flashrom_layout *, const struct romentry *);
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int included_regions_overlap(const struct flashrom_layout *);
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void prepare_layout_for_extraction(struct flashrom_flashctx *);
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int layout_sanity_checks(const struct flashrom_flashctx *);
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int check_for_unwritable_regions(const struct flashrom_flashctx *flash, unsigned int start, unsigned int len);
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void get_flash_region(const struct flashrom_flashctx *flash, int addr, struct flash_region *region);
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/*
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* Return chipset-level protections.
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* ranges parameter has to be freed by the caller with release_protected_ranges
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*/
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void get_protected_ranges(const struct flashrom_flashctx *flash, struct protected_ranges *ranges);
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void release_protected_ranges(const struct flashrom_flashctx *flash, struct protected_ranges *ranges);
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#endif /* !__LAYOUT_H__ */
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