02867c2797
Move LZ4 magic number definitions to public header file so that it can be used in the payload. Also rename LEGACY_MAGICNUMBER to LZ4_LEGACY_MAGICNUMBER for clarity when using from the payload. BUG=None TEST=Build Hylia BIOS image and boot to OS/UI. Change-Id: Ief180105ec3fa7abf1013d0c5408aa96edde681b Signed-off-by: Karthikeyan Ramasubramanian <kramasub@google.com> Reviewed-on: https://review.coreboot.org/c/coreboot/+/91152 Reviewed-by: Yu-Ping Wu <yupingso@google.com> Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Julius Werner <jwerner@chromium.org>
60 lines
2.8 KiB
C
60 lines
2.8 KiB
C
/*
|
|
* Copyright 2015 Google Inc.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions
|
|
* are met:
|
|
* 1. Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer.
|
|
* 2. Redistributions in binary form must reproduce the above copyright
|
|
* notice, this list of conditions and the following disclaimer in the
|
|
* documentation and/or other materials provided with the distribution.
|
|
* 3. The name of the author may not be used to endorse or promote products
|
|
* derived from this software without specific prior written permission.
|
|
*
|
|
* Alternatively, this software may be distributed under the terms of the
|
|
* GNU General Public License ("GPL") version 2 as published by the Free
|
|
* Software Foundation.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
|
|
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
|
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
|
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
|
|
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
|
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
|
|
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
|
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
|
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
|
|
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
|
* SUCH DAMAGE.
|
|
*/
|
|
|
|
#ifndef __LZ4_H_
|
|
#define __LZ4_H_
|
|
|
|
#include <stddef.h>
|
|
|
|
#define LZ4F_MAGICNUMBER 0x184D2204
|
|
#define LZ4_LEGACY_MAGICNUMBER 0x184C2102
|
|
|
|
/* Decompresses an LZ4F image (multiple LZ4 blocks with frame header) from src
|
|
* to dst, ensuring that it doesn't read more than srcn bytes and doesn't write
|
|
* more than dstn. Buffer sizes must stay below 2GB. Can decompress files loaded
|
|
* to the end of a buffer in-place, as long as buffer is larger than the final
|
|
* output size. (Usually just a few bytes, but may be up to (8 + dstn/255) in
|
|
* worst case. Will reliably return an error if buffer was too small.)
|
|
* Returns amount of decompressed bytes, or 0 on error.
|
|
*/
|
|
size_t ulz4fn(const void *src, size_t srcn, void *dst, size_t dstn);
|
|
|
|
/* Same as ulz4fn() but does not perform any bounds checks. */
|
|
size_t ulz4f(const void *src, void *dst);
|
|
|
|
/* Decompresses an Legacy LZ4 image from src to dst, ensuring that it doesn't read
|
|
* more than srcn bytes and doesn't write more than dstn. Will reliably return an
|
|
* error if buffer was too small.
|
|
* Returns amount of decompressed bytes, or 0 on error.
|
|
*/
|
|
size_t ulz4ln(const void *src, size_t srcn, void *dst, size_t dstn);
|
|
|
|
#endif /* __LZ4_H_ */
|