xref: /dpdk/lib/eal/arm/include/rte_byteorder.h (revision 719834a6849e1daf4a70ff7742bbcc3ae7e25607)
199a2dd95SBruce Richardson /* SPDX-License-Identifier: BSD-3-Clause
299a2dd95SBruce Richardson  * Copyright(c) 2015 RehiveTech. All rights reserved.
399a2dd95SBruce Richardson  */
499a2dd95SBruce Richardson 
599a2dd95SBruce Richardson #ifndef _RTE_BYTEORDER_ARM_H_
699a2dd95SBruce Richardson #define _RTE_BYTEORDER_ARM_H_
799a2dd95SBruce Richardson 
899a2dd95SBruce Richardson #ifndef RTE_FORCE_INTRINSICS
999a2dd95SBruce Richardson #  error Platform must be built with RTE_FORCE_INTRINSICS
1099a2dd95SBruce Richardson #endif
1199a2dd95SBruce Richardson 
1299a2dd95SBruce Richardson #include <stdint.h>
1399a2dd95SBruce Richardson #include <rte_common.h>
1499a2dd95SBruce Richardson #include "generic/rte_byteorder.h"
1599a2dd95SBruce Richardson 
16*719834a6SMattias Rönnblom #ifdef __cplusplus
17*719834a6SMattias Rönnblom extern "C" {
18*719834a6SMattias Rönnblom #endif
19*719834a6SMattias Rönnblom 
2099a2dd95SBruce Richardson /* ARM architecture is bi-endian (both big and little). */
2199a2dd95SBruce Richardson #if RTE_BYTE_ORDER == RTE_LITTLE_ENDIAN
2299a2dd95SBruce Richardson 
2399a2dd95SBruce Richardson #define rte_cpu_to_le_16(x) (x)
2499a2dd95SBruce Richardson #define rte_cpu_to_le_32(x) (x)
2599a2dd95SBruce Richardson #define rte_cpu_to_le_64(x) (x)
2699a2dd95SBruce Richardson 
2799a2dd95SBruce Richardson #define rte_cpu_to_be_16(x) rte_bswap16(x)
2899a2dd95SBruce Richardson #define rte_cpu_to_be_32(x) rte_bswap32(x)
2999a2dd95SBruce Richardson #define rte_cpu_to_be_64(x) rte_bswap64(x)
3099a2dd95SBruce Richardson 
3199a2dd95SBruce Richardson #define rte_le_to_cpu_16(x) (x)
3299a2dd95SBruce Richardson #define rte_le_to_cpu_32(x) (x)
3399a2dd95SBruce Richardson #define rte_le_to_cpu_64(x) (x)
3499a2dd95SBruce Richardson 
3599a2dd95SBruce Richardson #define rte_be_to_cpu_16(x) rte_bswap16(x)
3699a2dd95SBruce Richardson #define rte_be_to_cpu_32(x) rte_bswap32(x)
3799a2dd95SBruce Richardson #define rte_be_to_cpu_64(x) rte_bswap64(x)
3899a2dd95SBruce Richardson 
3999a2dd95SBruce Richardson #else /* RTE_BIG_ENDIAN */
4099a2dd95SBruce Richardson 
4199a2dd95SBruce Richardson #define rte_cpu_to_le_16(x) rte_bswap16(x)
4299a2dd95SBruce Richardson #define rte_cpu_to_le_32(x) rte_bswap32(x)
4399a2dd95SBruce Richardson #define rte_cpu_to_le_64(x) rte_bswap64(x)
4499a2dd95SBruce Richardson 
4599a2dd95SBruce Richardson #define rte_cpu_to_be_16(x) (x)
4699a2dd95SBruce Richardson #define rte_cpu_to_be_32(x) (x)
4799a2dd95SBruce Richardson #define rte_cpu_to_be_64(x) (x)
4899a2dd95SBruce Richardson 
4999a2dd95SBruce Richardson #define rte_le_to_cpu_16(x) rte_bswap16(x)
5099a2dd95SBruce Richardson #define rte_le_to_cpu_32(x) rte_bswap32(x)
5199a2dd95SBruce Richardson #define rte_le_to_cpu_64(x) rte_bswap64(x)
5299a2dd95SBruce Richardson 
5399a2dd95SBruce Richardson #define rte_be_to_cpu_16(x) (x)
5499a2dd95SBruce Richardson #define rte_be_to_cpu_32(x) (x)
5599a2dd95SBruce Richardson #define rte_be_to_cpu_64(x) (x)
5699a2dd95SBruce Richardson #endif
5799a2dd95SBruce Richardson 
5899a2dd95SBruce Richardson #ifdef __cplusplus
5999a2dd95SBruce Richardson }
6099a2dd95SBruce Richardson #endif
6199a2dd95SBruce Richardson 
6299a2dd95SBruce Richardson #endif /* _RTE_BYTEORDER_ARM_H_ */
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