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Give layouts their own type

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Introduce `struct flashrom_layout` and refactor layout.c a little, so
we can reuse the layout from there and have other sources of layouts
beside it.

I didn't want to clutter up flash.h any more. So things went into a new
layout.h.

Change-Id: Icea1a58c283131cc9c5fde6f16d783538dc1a4c7
Signed-off-by: Nico Huber <nico.huber@secunet.com>
Reviewed-on: https://review.coreboot.org/17944
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: David Hendricks <david.hendricks@gmail.com>
Reviewed-by: Philippe Mathieu-Daudé <philippe.mathieu.daude@gmail.com>
This commit is contained in:
Nico Huber
2016-04-27 15:56:14 +02:00
committed by Nico Huber
parent 9e14aeda64
commit 3a9939b952
3 changed files with 102 additions and 50 deletions
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62
layout.h Normal file
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/*
* This file is part of the flashrom project.
*
* Copyright (C) 2005-2008 coresystems GmbH
* (Written by Stefan Reinauer <stepan@coresystems.de> for coresystems GmbH)
* Copyright (C) 2011-2013 Stefan Tauner
* Copyright (C) 2016 secunet Security Networks AG
* (Written by Nico Huber <nico.huber@secunet.com> for secunet)
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
#ifndef __LAYOUT_H__
#define __LAYOUT_H__ 1
#include <stddef.h>
#include <stdint.h>
/* Types and macros regarding the maximum flash space size supported by generic code. */
typedef uint32_t chipoff_t; /* Able to store any addressable offset within a supported flash memory. */
typedef uint32_t chipsize_t; /* Able to store the number of bytes of any supported flash memory. */
#define FL_MAX_CHIPOFF_BITS (24)
#define FL_MAX_CHIPOFF ((chipoff_t)(1ULL<<FL_MAX_CHIPOFF_BITS)-1)
#define PRIxCHIPOFF "06"PRIx32
#define PRIuCHIPSIZE PRIu32
#define MAX_ROMLAYOUT 32
struct romentry {
chipoff_t start;
chipoff_t end;
bool included;
char name[256];
};
struct flashrom_layout {
/* entries store the entries specified in a layout file and associated run-time data */
struct romentry *entries;
/* the number of successfully parsed entries */
size_t num_entries;
};
struct single_layout {
struct flashrom_layout base;
struct romentry entry;
};
const struct flashrom_layout *get_global_layout(void);
#endif /* !__LAYOUT_H__ */