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include: sbi: Support byteorder macros in assembly 

Avoid using C types and casts if sbi/sbi_byteorder.h is included in
assembly code

Signed-off-by: Vivian Wang <dramforever@live.com>
Reviewed-by: Anup Patel <anup@brainfault.org>
This commit is contained in:
Vivian Wang 2024-03-16 01:36:39 +08:00 committed by Anup Patel
parent 06fc453ec1
commit 5c9a73565f
1 changed files with 30 additions and 25 deletions
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55
include/sbi/sbi_byteorder.h
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@ -7,7 +7,12 @@
#ifndef __SBI_BYTEORDER_H__
#define __SBI_BYTEORDER_H__
#include <sbi/sbi_types.h>
#ifdef __ASSEMBLER__
# define _conv_cast(type, val) (val)
#else
# include <sbi/sbi_types.h>
# define _conv_cast(type, val) ((type)(val))
#endif
#define BSWAP16(x) ((((x) & 0x00ff) << 8) | \
(((x) & 0xff00) >> 8))
@ -25,37 +30,37 @@
(((x) & 0xff00000000000000ULL) >> 56))
#if __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__ /* CPU(little-endian) */
#define cpu_to_be16(x) ((uint16_t)BSWAP16(x))
#define cpu_to_be32(x) ((uint32_t)BSWAP32(x))
#define cpu_to_be64(x) ((uint64_t)BSWAP64(x))
#define cpu_to_be16(x) _conv_cast(uint16_t, BSWAP16(x))
#define cpu_to_be32(x) _conv_cast(uint32_t, BSWAP32(x))
#define cpu_to_be64(x) _conv_cast(uint64_t, BSWAP64(x))
#define be16_to_cpu(x) ((uint16_t)BSWAP16(x))
#define be32_to_cpu(x) ((uint32_t)BSWAP32(x))
#define be64_to_cpu(x) ((uint64_t)BSWAP64(x))
#define be16_to_cpu(x) _conv_cast(uint16_t, BSWAP16(x))
#define be32_to_cpu(x) _conv_cast(uint32_t, BSWAP32(x))
#define be64_to_cpu(x) _conv_cast(uint64_t, BSWAP64(x))
#define cpu_to_le16(x) ((uint16_t)(x))
#define cpu_to_le32(x) ((uint32_t)(x))
#define cpu_to_le64(x) ((uint64_t)(x))
#define cpu_to_le16(x) _conv_cast(uint16_t, (x))
#define cpu_to_le32(x) _conv_cast(uint32_t, (x))
#define cpu_to_le64(x) _conv_cast(uint64_t, (x))
#define le16_to_cpu(x) ((uint16_t)(x))
#define le32_to_cpu(x) ((uint32_t)(x))
#define le64_to_cpu(x) ((uint64_t)(x))
#define le16_to_cpu(x) _conv_cast(uint16_t, (x))
#define le32_to_cpu(x) _conv_cast(uint32_t, (x))
#define le64_to_cpu(x) _conv_cast(uint64_t, (x))
#else /* CPU(big-endian) */
#define cpu_to_be16(x) ((uint16_t)(x))
#define cpu_to_be32(x) ((uint32_t)(x))
#define cpu_to_be64(x) ((uint64_t)(x))
#define cpu_to_be16(x) _conv_cast(uint16_t, (x))
#define cpu_to_be32(x) _conv_cast(uint32_t, (x))
#define cpu_to_be64(x) _conv_cast(uint64_t, (x))
#define be16_to_cpu(x) ((uint16_t)(x))
#define be32_to_cpu(x) ((uint32_t)(x))
#define be64_to_cpu(x) ((uint64_t)(x))
#define be16_to_cpu(x) _conv_cast(uint16_t, (x))
#define be32_to_cpu(x) _conv_cast(uint32_t, (x))
#define be64_to_cpu(x) _conv_cast(uint64_t, (x))
#define cpu_to_le16(x) ((uint16_t)BSWAP16(x))
#define cpu_to_le32(x) ((uint32_t)BSWAP32(x))
#define cpu_to_le64(x) ((uint64_t)BSWAP64(x))
#define cpu_to_le16(x) _conv_cast(uint16_t, BSWAP16(x))
#define cpu_to_le32(x) _conv_cast(uint32_t, BSWAP32(x))
#define cpu_to_le64(x) _conv_cast(uint64_t, BSWAP64(x))
#define le16_to_cpu(x) ((uint16_t)BSWAP16(x))
#define le32_to_cpu(x) ((uint32_t)BSWAP32(x))
#define le64_to_cpu(x) ((uint64_t)BSWAP64(x))
#define le16_to_cpu(x) _conv_cast(uint16_t, BSWAP16(x))
#define le32_to_cpu(x) _conv_cast(uint32_t, BSWAP32(x))
#define le64_to_cpu(x) _conv_cast(uint64_t, BSWAP64(x))
#endif
#if __riscv_xlen == 64