mirror of
https://github.com/zephyrproject-rtos/zephyr
synced 2025-08-19 04:25:22 +00:00
f7fffae8aa
Change all the Intel and Wind River code license from BSD-3 to Apache 2. Change-Id: Id8be2c1c161a06ea8a0b9f38e17660e11dbb384b Signed-off-by: Javier B Perez Hernandez <javier.b.perez.hernandez@linux.intel.com> Signed-off-by: Anas Nashif <anas.nashif@intel.com> Signed-off-by: Allan Stephens <allan.stephens@windriver.com> Signed-off-by: Benjamin Walsh <benjamin.walsh@windriver.com>
45 lines
1.6 KiB
C
45 lines
1.6 KiB
C
/* byteorder.h - Byte order helpers */
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/*
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* Copyright (c) 2015, Intel Corporation.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#define bswap_16(x) ((uint16_t) ((((x) >> 8) & 0xff) | (((x) & 0xff) << 8)))
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#define bswap_32(x) ((uint32_t) ((((x) >> 24) & 0xff) | (((x) >> 8) & 0xff00) \
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| (((x) & 0xff00) << 8) | (((x) & 0xff) << 24)))
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#if __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__
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#define sys_le16_to_cpu(val) (val)
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#define sys_cpu_to_le16(val) (val)
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#define sys_be16_to_cpu(val) bswap_16(val)
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#define sys_cpu_to_be16(val) bswap_16(val)
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#define sys_le32_to_cpu(val) (val)
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#define sys_cpu_to_le32(val) (val)
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#define sys_be32_to_cpu(val) bswap_32(val)
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#define sys_cpu_to_be32(val) bswap_32(val)
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#elif __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__
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#define sys_le16_to_cpu(val) bswap_16(val)
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#define sys_cpu_to_le16(val) bswap_16(val)
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#define sys_be16_to_cpu(val) (val)
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#define sys_cpu_to_be16(val) (val)
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#define sys_le32_to_cpu(val) bswap_32(val)
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#define sys_cpu_to_le32(val) bswap_32(val)
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#define sys_be32_to_cpu(val) (val)
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#define sys_cpu_to_be32(val) (val)
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#else
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#error "Unknown byte order"
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#endif
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