bccaab8658
Explicitly provide a RW view of an FMAP region. This is required for platforms which have separate implementations of a RO boot device and a RW boot device. BUG=chrome-os-partner:56151 Change-Id: Ibafa3dc534f53a3d90487f3190c0f8a2e82858c2 Signed-off-by: Aaron Durbin <adurbin@chromium.org> Reviewed-on: https://review.coreboot.org/16203 Tested-by: build bot (Jenkins) Reviewed-by: Furquan Shaikh <furquan@google.com>
43 lines
1.6 KiB
C
43 lines
1.6 KiB
C
/*
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* This file is part of the coreboot project.
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*
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* Copyright 2015 Google Inc.
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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; version 2 of the License.
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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 _FMAP_H_
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#define _FMAP_H_
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#include <commonlib/region.h>
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#include <commonlib/fmap_serialized.h>
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/* Locate the fmap directory. Return 0 on success, < 0 on error. */
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int find_fmap_directory(struct region_device *fmrd);
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/* Locate the named area in the fmap and fill in a region device representing
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* that area. The region is a sub-region of the readonly boot media. Return
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* 0 on success, < 0 on error. */
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int fmap_locate_area_as_rdev(const char *name, struct region_device *area);
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/* Just like fmap_locate_area_as_rdev(), however the region device is
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* created from the RW boot device. */
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int fmap_locate_area_as_rdev_rw(const char *name, struct region_device *area);
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/* Locate the named area in the fmap and fill in a region with the
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* offset and size of that area within the boot media. Return 0 on success,
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* < 0 on error. */
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int fmap_locate_area(const char *name, struct region *r);
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/* Find fmap area name by offset and size.
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* Return 0 on success, < 0 on error. */
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int fmap_find_region_name(const struct region * const ar,
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char name[FMAP_STRLEN]);
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#endif
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