5f47600e50
Some files were accidentally made GPL when they were added to libpayload. This change changes them over to a BSD license to be in line with the intended license of libpayload. BUG=chrome-os-partner:24957 TEST=Built libpayload for nyan. BRANCH=None Change-Id: Ia95ac4951b173dcb93cb489705680e7313df3c92 Signed-off-by: Gabe Black <gabeblack@google.com> Reviewed-on: https://chromium-review.googlesource.com/182202 Reviewed-by: Ronald Minnich <rminnich@chromium.org> Commit-Queue: Gabe Black <gabeblack@chromium.org> Tested-by: Gabe Black <gabeblack@chromium.org>
111 lines
3.4 KiB
C
111 lines
3.4 KiB
C
/*
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* This file is part of the libpayload project.
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*
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* Copyright (c) 2012 The Chromium OS Authors.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#ifndef _ENDIAN_H_
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#define _ENDIAN_H_
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#include <arch/types.h>
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#include <libpayload-config.h>
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static inline uint16_t swap_bytes16(uint16_t in)
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{
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return ((in & 0xFF) << 8) | ((in & 0xFF00) >> 8);
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}
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static inline uint32_t swap_bytes32(uint32_t in)
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{
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return ((in & 0xFF) << 24) | ((in & 0xFF00) << 8) |
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((in & 0xFF0000) >> 8) | ((in & 0xFF000000) >> 24);
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}
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static inline uint64_t swap_bytes64(uint64_t in)
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{
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return ((uint64_t)swap_bytes32((uint32_t)in) << 32) |
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((uint64_t)swap_bytes32((uint32_t)(in >> 32)));
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}
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/* Endian functions from glibc 2.9 / BSD "endian.h" */
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#if defined CONFIG_LP_BIG_ENDIAN
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#define htobe16(in) (in)
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#define htobe32(in) (in)
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#define htobe64(in) (in)
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#define htole16(in) swap_bytes16(in)
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#define htole32(in) swap_bytes32(in)
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#define htole64(in) swap_bytes64(in)
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#elif defined CONFIG_LP_LITTLE_ENDIAN
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#define htobe16(in) swap_bytes16(in)
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#define htobe32(in) swap_bytes32(in)
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#define htobe64(in) swap_bytes64(in)
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#define htole16(in) (in)
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#define htole32(in) (in)
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#define htole64(in) (in)
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#else
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#error Cant tell if the CPU is little or big endian.
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#endif
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#define be16toh(in) htobe16(in)
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#define be32toh(in) htobe32(in)
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#define be64toh(in) htobe64(in)
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#define le16toh(in) htole16(in)
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#define le32toh(in) htole32(in)
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#define le64toh(in) htole64(in)
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#define htonw(in) htobe16(in)
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#define htonl(in) htobe32(in)
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#define htonll(in) htobe64(in)
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#define ntohw(in) be16toh(in)
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#define ntohl(in) be32toh(in)
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#define ntohll(in) be64toh(in)
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/* Deprecated names (not in glibc / BSD) */
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#define htobew(in) htobe16(in)
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#define htobel(in) htobe32(in)
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#define htobell(in) htobe64(in)
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#define htolew(in) htole16(in)
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#define htolel(in) htole32(in)
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#define htolell(in) htole64(in)
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#define betohw(in) be16toh(in)
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#define betohl(in) be32toh(in)
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#define betohll(in) be64toh(in)
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#define letohw(in) le16toh(in)
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#define letohl(in) le32toh(in)
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#define letohll(in) le64toh(in)
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#endif
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