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/*
* Copyright (c) 2012 The Chromium OS Authors.
*
* See file CREDITS for list of people who contributed to this
* project.
*
* 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., 59 Temple Place, Suite 330, Boston,
* MA 02111-1307 USA
*/
#ifndef _ENDIAN_H_
#define _ENDIAN_H_
#include <arch/types.h>
#include <libpayload-config.h>
#define swap_bytes16(in) (((in & 0xFF) << 8) | ((in & 0xFF00) >> 8))
#define swap_bytes32(in) (((in & 0xFF) << 24) | ((in & 0xFF00) << 8) | \
((in & 0xFF0000) >> 8) | ((in & 0xFF000000) >> 24))
#define swap_bytes64(in) (((uint64_t)swap_bytes32((uint32_t)(in)) << 32) | \
((uint64_t)swap_bytes32((uint32_t)((in) >> 32))))
#if defined CONFIG_BIG_ENDIAN
#define htobew(in) (in)
#define htobel(in) (in)
#define htobell(in) (in)
#define htolew(in) swap_bytes16(in)
#define htolel(in) swap_bytes32(in)
#define htolell(in) swap_bytes64(in)
#elif defined CONFIG_LITTLE_ENDIAN
#define htobew(in) swap_bytes16(in)
#define htobel(in) swap_bytes32(in)
#define htobell(in) swap_bytes64(in)
#define htolew(in) (in)
#define htolel(in) (in)
#define htolell(in) (in)
#else
#error Cant tell if the CPU is little or big endian.
#endif
#define betohw(in) htobew(in)
#define betohl(in) htobel(in)
#define betohll(in) htobell(in)
#define letohw(in) htolew(in)
#define letohl(in) htolel(in)
#define letohll(in) htolell(in)
#define htonw(in) htobew(in)
#define htonl(in) htobel(in)
#define htonll(in) htobell(in)
#define ntohw(in) htonw(in)
#define ntohl(in) htonl(in)
#define ntohll(in) htonll(in)
#endif
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