mirror of
https://codeberg.org/ziglang/zig.git
synced 2026-05-08 02:38:00 +03:00
Alex Rønne Petersen
66d97267c7
This excludes all headers in /usr/include/dev because that directory is bonkers huge (18M). We can add these on an as-needed basis.
84 lines
1.4 KiB
C
Vendored
84 lines
1.4 KiB
C
Vendored
/* $OpenBSD: endian.h,v 1.7 2014/10/22 23:56:47 dlg Exp $ */
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#ifndef _MACHINE_ENDIAN_H_
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#define _MACHINE_ENDIAN_H_
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#define _BYTE_ORDER _BIG_ENDIAN
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#ifdef _KERNEL
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#define __ASI_P_L 0x88 /* == ASI_PRIMARY_LITTLE */
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static inline __uint16_t
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__mswap16(volatile const __uint16_t *m)
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{
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__uint16_t v;
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__asm("lduha [%1] %2, %0 ! %3"
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: "=r" (v)
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: "r" (m), "n" (__ASI_P_L), "m" (*m));
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return (v);
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}
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static inline __uint32_t
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__mswap32(volatile const __uint32_t *m)
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{
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__uint32_t v;
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__asm("lduwa [%1] %2, %0 ! %3"
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: "=r" (v)
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: "r" (m), "n" (__ASI_P_L), "m" (*m));
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return (v);
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}
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static inline __uint64_t
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__mswap64(volatile const __uint64_t *m)
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{
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__uint64_t v;
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__asm("ldxa [%1] %2, %0 ! %3"
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: "=r" (v)
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: "r" (m), "n" (__ASI_P_L), "m" (*m));
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return (v);
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}
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static inline void
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__swapm16(volatile __uint16_t *m, __uint16_t v)
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{
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__asm("stha %1, [%2] %3 ! %0"
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: "=m" (*m)
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: "r" (v), "r" (m), "n" (__ASI_P_L));
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}
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static inline void
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__swapm32(volatile __uint32_t *m, __uint32_t v)
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{
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__asm("stwa %1, [%2] %3 ! %0"
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: "=m" (*m)
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: "r" (v), "r" (m), "n" (__ASI_P_L));
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}
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static inline void
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__swapm64(volatile __uint64_t *m, __uint64_t v)
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{
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__asm("stxa %1, [%2] %3 ! %0"
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: "=m" (*m)
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: "r" (v), "r" (m), "n" (__ASI_P_L));
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}
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#undef __ASI_P_L
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#define __HAVE_MD_SWAPIO
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#endif /* _KERNEL */
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#define __STRICT_ALIGNMENT
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#ifndef __FROM_SYS__ENDIAN
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#include <sys/endian.h>
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#endif
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#endif /* _MACHINE_ENDIAN_H_ */ |