mirror of
https://github.com/trezor/trezor-firmware.git
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45 lines
925 B
C
45 lines
925 B
C
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#include "byte_order.h"
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static inline uint32_t load32(const void *src) {
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uint32_t w;
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memcpy(&w, src, sizeof w);
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#if BYTE_ORDER == BIG_ENDIAN
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REVERSE32(w, w);
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#endif
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return w;
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}
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static inline uint64_t load64(const void *src) {
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uint64_t w;
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memcpy(&w, src, sizeof w);
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#if BYTE_ORDER == BIG_ENDIAN
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REVERSE64(w, w);
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#endif
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return w;
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}
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static inline void store16(void *dst, uint16_t w) { memcpy(dst, &w, sizeof w); }
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static inline void store32(void *dst, uint32_t w) {
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#if BYTE_ORDER == BIG_ENDIAN
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REVERSE32(w, w);
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#endif
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memcpy(dst, &w, sizeof w);
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}
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static inline void store64(void *dst, uint64_t w) {
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#if BYTE_ORDER == BIG_ENDIAN
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REVERSE64(w, w);
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#endif
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memcpy(dst, &w, sizeof w);
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}
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static inline uint32_t rotr32(const uint32_t w, const unsigned c) {
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return (w >> c) | (w << (32 - c));
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}
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static inline uint64_t rotr64(const uint64_t w, const unsigned c) {
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return (w >> c) | (w << (64 - c));
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}
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