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d8007e7aac
Let's allow using this in code shared between userspace and EFI mode. Also, don't implement these functions via endianness conversions given we don't actually want to convert endianess here.
84 lines
2.3 KiB
C
84 lines
2.3 KiB
C
/* SPDX-License-Identifier: LGPL-2.1-or-later */
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#pragma once
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#include <endian.h>
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#include <stdint.h>
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#include "unaligned-fundamental.h"
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/* BE */
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static inline uint16_t unaligned_read_be16(const void *_u) {
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const struct __attribute__((__packed__, __may_alias__)) { uint16_t x; } *u = _u;
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return be16toh(u->x);
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}
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static inline uint32_t unaligned_read_be32(const void *_u) {
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const struct __attribute__((__packed__, __may_alias__)) { uint32_t x; } *u = _u;
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return be32toh(u->x);
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}
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static inline uint64_t unaligned_read_be64(const void *_u) {
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const struct __attribute__((__packed__, __may_alias__)) { uint64_t x; } *u = _u;
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return be64toh(u->x);
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}
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static inline void unaligned_write_be16(void *_u, uint16_t a) {
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struct __attribute__((__packed__, __may_alias__)) { uint16_t x; } *u = _u;
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u->x = be16toh(a);
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}
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static inline void unaligned_write_be32(void *_u, uint32_t a) {
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struct __attribute__((__packed__, __may_alias__)) { uint32_t x; } *u = _u;
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u->x = be32toh(a);
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}
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static inline void unaligned_write_be64(void *_u, uint64_t a) {
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struct __attribute__((__packed__, __may_alias__)) { uint64_t x; } *u = _u;
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u->x = be64toh(a);
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}
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/* LE */
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static inline uint16_t unaligned_read_le16(const void *_u) {
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const struct __attribute__((__packed__, __may_alias__)) { uint16_t x; } *u = _u;
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return le16toh(u->x);
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}
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static inline uint32_t unaligned_read_le32(const void *_u) {
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const struct __attribute__((__packed__, __may_alias__)) { uint32_t x; } *u = _u;
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return le32toh(u->x);
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}
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static inline uint64_t unaligned_read_le64(const void *_u) {
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const struct __attribute__((__packed__, __may_alias__)) { uint64_t x; } *u = _u;
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return le64toh(u->x);
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}
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static inline void unaligned_write_le16(void *_u, uint16_t a) {
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struct __attribute__((__packed__, __may_alias__)) { uint16_t x; } *u = _u;
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u->x = le16toh(a);
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}
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static inline void unaligned_write_le32(void *_u, uint32_t a) {
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struct __attribute__((__packed__, __may_alias__)) { uint32_t x; } *u = _u;
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u->x = le32toh(a);
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}
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static inline void unaligned_write_le64(void *_u, uint64_t a) {
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struct __attribute__((__packed__, __may_alias__)) { uint64_t x; } *u = _u;
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u->x = le64toh(a);
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}
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