aboutsummaryrefslogtreecommitdiff
diff options
context:
space:
mode:
Diffstat
-rw-r--r--sys/arm/include/endian.h109
-rw-r--r--sys/arm64/include/endian.h85
-rw-r--r--sys/mips/include/endian.h106
-rw-r--r--sys/powerpc/include/endian.h102
-rw-r--r--sys/riscv/include/endian.h87
-rw-r--r--sys/sys/_endian.h92
-rw-r--r--sys/x86/include/endian.h38
7 files changed, 101 insertions, 518 deletions
diff --git a/sys/arm/include/endian.h b/sys/arm/include/endian.h
index 5fb94db3b9b8..eb3f0d142322 100644
--- a/sys/arm/include/endian.h
+++ b/sys/arm/include/endian.h
@@ -32,111 +32,10 @@
* $FreeBSD$
*/
-#ifndef _ENDIAN_H_
-#define _ENDIAN_H_
+#ifndef _MACHINE_ENDIAN_H_
+#define _MACHINE_ENDIAN_H_
#include <sys/_types.h>
+#include <sys/_endian.h>
-/*
- * Definitions for byte order, according to byte significance from low
- * address to high.
- */
-#define _LITTLE_ENDIAN 1234 /* LSB first: i386, vax */
-#define _BIG_ENDIAN 4321 /* MSB first: 68000, ibm, net */
-#define _PDP_ENDIAN 3412 /* LSB first in word, MSW first in long */
-
-#ifdef __ARMEB__
-#define _BYTE_ORDER _BIG_ENDIAN
-#else
-#define _BYTE_ORDER _LITTLE_ENDIAN
-#endif /* __ARMEB__ */
-
-#if __BSD_VISIBLE
-#define LITTLE_ENDIAN _LITTLE_ENDIAN
-#define BIG_ENDIAN _BIG_ENDIAN
-#define PDP_ENDIAN _PDP_ENDIAN
-#define BYTE_ORDER _BYTE_ORDER
-#endif
-
-#ifdef __ARMEB__
-#define _QUAD_HIGHWORD 0
-#define _QUAD_LOWWORD 1
-#define __ntohl(x) ((__uint32_t)(x))
-#define __ntohs(x) ((__uint16_t)(x))
-#define __htonl(x) ((__uint32_t)(x))
-#define __htons(x) ((__uint16_t)(x))
-#else
-#define _QUAD_HIGHWORD 1
-#define _QUAD_LOWWORD 0
-#define __ntohl(x) (__bswap32(x))
-#define __ntohs(x) (__bswap16(x))
-#define __htonl(x) (__bswap32(x))
-#define __htons(x) (__bswap16(x))
-#endif /* __ARMEB__ */
-
-static __inline __uint64_t
-__bswap64(__uint64_t _x)
-{
-
- return ((_x >> 56) | ((_x >> 40) & 0xff00) | ((_x >> 24) & 0xff0000) |
- ((_x >> 8) & 0xff000000) | ((_x << 8) & ((__uint64_t)0xff << 32)) |
- ((_x << 24) & ((__uint64_t)0xff << 40)) |
- ((_x << 40) & ((__uint64_t)0xff << 48)) | ((_x << 56)));
-}
-
-static __inline __uint32_t
-__bswap32_var(__uint32_t v)
-{
- __uint32_t t1;
-
- __asm __volatile("eor %1, %0, %0, ror #16\n"
- "bic %1, %1, #0x00ff0000\n"
- "mov %0, %0, ror #8\n"
- "eor %0, %0, %1, lsr #8\n"
- : "+r" (v), "=r" (t1));
-
- return (v);
-}
-
-static __inline __uint16_t
-__bswap16_var(__uint16_t v)
-{
- __uint32_t ret = v & 0xffff;
-
- __asm __volatile(
- "mov %0, %0, ror #8\n"
- "orr %0, %0, %0, lsr #16\n"
- "bic %0, %0, %0, lsl #16"
- : "+r" (ret));
-
- return ((__uint16_t)ret);
-}
-
-#ifdef __OPTIMIZE__
-
-#define __bswap32_constant(x) \
- ((((x) & 0xff000000U) >> 24) | \
- (((x) & 0x00ff0000U) >> 8) | \
- (((x) & 0x0000ff00U) << 8) | \
- (((x) & 0x000000ffU) << 24))
-
-#define __bswap16_constant(x) \
- ((((x) & 0xff00) >> 8) | \
- (((x) & 0x00ff) << 8))
-
-#define __bswap16(x) \
- ((__uint16_t)(__builtin_constant_p(x) ? \
- __bswap16_constant(x) : \
- __bswap16_var(x)))
-
-#define __bswap32(x) \
- ((__uint32_t)(__builtin_constant_p(x) ? \
- __bswap32_constant(x) : \
- __bswap32_var(x)))
-
-#else
-#define __bswap16(x) __bswap16_var(x)
-#define __bswap32(x) __bswap32_var(x)
-
-#endif /* __OPTIMIZE__ */
-#endif /* !_ENDIAN_H_ */
+#endif /* !_MACHINE_ENDIAN_H_ */
diff --git a/sys/arm64/include/endian.h b/sys/arm64/include/endian.h
index 8cb5c6976b37..0f06010b7e4b 100644
--- a/sys/arm64/include/endian.h
+++ b/sys/arm64/include/endian.h
@@ -34,89 +34,6 @@
#define _MACHINE_ENDIAN_H_
#include <sys/_types.h>
+#include <sys/_endian.h>
-/*
- * Definitions for byte order, according to byte significance from low
- * address to high.
- */
-#define _LITTLE_ENDIAN 1234 /* LSB first: i386, vax */
-#define _BIG_ENDIAN 4321 /* MSB first: 68000, ibm, net */
-#define _PDP_ENDIAN 3412 /* LSB first in word, MSW first in long */
-
-#define _BYTE_ORDER _LITTLE_ENDIAN
-
-#if __BSD_VISIBLE
-#define LITTLE_ENDIAN _LITTLE_ENDIAN
-#define BIG_ENDIAN _BIG_ENDIAN
-#define PDP_ENDIAN _PDP_ENDIAN
-#define BYTE_ORDER _BYTE_ORDER
-#endif
-
-#define _QUAD_HIGHWORD 1
-#define _QUAD_LOWWORD 0
-#define __ntohl(x) (__bswap32(x))
-#define __ntohs(x) (__bswap16(x))
-#define __htonl(x) (__bswap32(x))
-#define __htons(x) (__bswap16(x))
-
-static __inline __uint64_t
-__bswap64(__uint64_t x)
-{
- __uint64_t ret;
-
- __asm __volatile("rev %0, %1\n"
- : "=&r" (ret), "+r" (x));
-
- return (ret);
-}
-
-static __inline __uint32_t
-__bswap32_var(__uint32_t v)
-{
- __uint32_t ret;
-
- __asm __volatile("rev32 %x0, %x1\n"
- : "=&r" (ret), "+r" (v));
-
- return (ret);
-}
-
-static __inline __uint16_t
-__bswap16_var(__uint16_t v)
-{
- __uint32_t ret;
-
- __asm __volatile("rev16 %w0, %w1\n"
- : "=&r" (ret), "+r" (v));
-
- return ((__uint16_t)ret);
-}
-
-#ifdef __OPTIMIZE__
-
-#define __bswap32_constant(x) \
- ((((x) & 0xff000000U) >> 24) | \
- (((x) & 0x00ff0000U) >> 8) | \
- (((x) & 0x0000ff00U) << 8) | \
- (((x) & 0x000000ffU) << 24))
-
-#define __bswap16_constant(x) \
- ((((x) & 0xff00) >> 8) | \
- (((x) & 0x00ff) << 8))
-
-#define __bswap16(x) \
- ((__uint16_t)(__builtin_constant_p(x) ? \
- __bswap16_constant((__uint16_t)(x)) : \
- __bswap16_var(x)))
-
-#define __bswap32(x) \
- ((__uint32_t)(__builtin_constant_p(x) ? \
- __bswap32_constant((__uint32_t)(x)) : \
- __bswap32_var(x)))
-
-#else
-#define __bswap16(x) __bswap16_var(x)
-#define __bswap32(x) __bswap32_var(x)
-
-#endif /* __OPTIMIZE__ */
#endif /* !_MACHINE_ENDIAN_H_ */
diff --git a/sys/mips/include/endian.h b/sys/mips/include/endian.h
index 9faf60e9667f..57f76445a9cd 100644
--- a/sys/mips/include/endian.h
+++ b/sys/mips/include/endian.h
@@ -39,110 +39,6 @@
#ifndef __ASSEMBLER__
#include <sys/_types.h>
#endif
-
-#ifdef __cplusplus
-extern "C" {
-#endif
-
-/*
- * Definitions for byte order, according to byte significance from low
- * address to high.
- */
-#define _LITTLE_ENDIAN 1234 /* LSB first: i386, vax */
-#define _BIG_ENDIAN 4321 /* MSB first: 68000, ibm, net */
-#define _PDP_ENDIAN 3412 /* LSB first in word, MSW first in long */
-
-#ifdef __MIPSEB__
-#define _BYTE_ORDER _BIG_ENDIAN
-#else
-#define _BYTE_ORDER _LITTLE_ENDIAN
-#endif /* __MIBSEB__ */
-
-/*
- * Deprecated variants that don't have enough underscores to be useful in more
- * strict namespaces.
- */
-#if __BSD_VISIBLE
-#define LITTLE_ENDIAN _LITTLE_ENDIAN
-#define BIG_ENDIAN _BIG_ENDIAN
-#define PDP_ENDIAN _PDP_ENDIAN
-#define BYTE_ORDER _BYTE_ORDER
-#endif
-
-#ifndef __ASSEMBLER__
-#if defined(__GNUCLIKE_BUILTIN_CONSTANT_P) && defined(__OPTIMIZE__)
-#define __is_constant(x) __builtin_constant_p(x)
-#else
-#define __is_constant(x) 0
-#endif
-
-#define __bswap16_const(x) (((x) >> 8) | (((x) << 8) & 0xff00))
-#define __bswap32_const(x) (((x) >> 24) | (((x) >> 8) & 0xff00) | \
- (((x) << 8) & 0xff0000) | (((x) << 24) & 0xff000000))
-#define __bswap64_const(x) (((x) >> 56) | (((x) >> 40) & 0xff00) | \
- (((x) >> 24) & 0xff0000) | (((x) >> 8) & 0xff000000) | \
- (((x) << 8) & ((__uint64_t)0xff << 32)) | \
- (((x) << 24) & ((__uint64_t)0xff << 40)) | \
- (((x) << 40) & ((__uint64_t)0xff << 48)) | (((x) << 56)))
-
-static __inline __uint16_t
-__bswap16_var(__uint16_t _x)
-{
-
- return ((_x >> 8) | ((_x << 8) & 0xff00));
-}
-
-static __inline __uint32_t
-__bswap32_var(__uint32_t _x)
-{
-
- return ((_x >> 24) | ((_x >> 8) & 0xff00) | ((_x << 8) & 0xff0000) |
- ((_x << 24) & 0xff000000));
-}
-
-static __inline __uint64_t
-__bswap64_var(__uint64_t _x)
-{
-
- return ((_x >> 56) | ((_x >> 40) & 0xff00) | ((_x >> 24) & 0xff0000) |
- ((_x >> 8) & 0xff000000) | ((_x << 8) & ((__uint64_t)0xff << 32)) |
- ((_x << 24) & ((__uint64_t)0xff << 40)) |
- ((_x << 40) & ((__uint64_t)0xff << 48)) | ((_x << 56)));
-}
-
-#define __bswap16(x) ((__uint16_t)(__is_constant((x)) ? \
- __bswap16_const((__uint16_t)(x)) : __bswap16_var((__uint16_t)(x))))
-#define __bswap32(x) ((__uint32_t)(__is_constant((x)) ? \
- __bswap32_const((__uint32_t)(x)) : __bswap32_var((__uint32_t)(x))))
-#define __bswap64(x) ((__uint64_t)(__is_constant((x)) ? \
- __bswap64_const((__uint64_t)(x)) : __bswap64_var((__uint64_t)(x))))
-
-#ifdef __MIPSEB__
-#define __htonl(x) ((__uint32_t)(x))
-#define __htons(x) ((__uint16_t)(x))
-#define __ntohl(x) ((__uint32_t)(x))
-#define __ntohs(x) ((__uint16_t)(x))
-/*
- * Define the order of 32-bit words in 64-bit words.
- */
-/*
- * XXXMIPS: Additional parentheses to make gcc more happy.
- */
-#define _QUAD_HIGHWORD 0
-#define _QUAD_LOWWORD 1
-#else
-#define _QUAD_HIGHWORD 1
-#define _QUAD_LOWWORD 0
-#define __ntohl(x) (__bswap32((x)))
-#define __ntohs(x) (__bswap16((x)))
-#define __htonl(x) (__bswap32((x)))
-#define __htons(x) (__bswap16((x)))
-#endif /* _MIPSEB */
-
-#endif /* _ASSEMBLER_ */
-
-#ifdef __cplusplus
-}
-#endif
+#include <sys/_endian.h>
#endif /* !_MACHINE_ENDIAN_H_ */
diff --git a/sys/powerpc/include/endian.h b/sys/powerpc/include/endian.h
index 8cbd7e024eb9..9e28237bfd24 100644
--- a/sys/powerpc/include/endian.h
+++ b/sys/powerpc/include/endian.h
@@ -35,21 +35,9 @@
#ifndef _MACHINE_ENDIAN_H_
#define _MACHINE_ENDIAN_H_
-#include <sys/cdefs.h>
#include <sys/_types.h>
/*
- * Define the order of 32-bit words in 64-bit words.
- */
-#ifdef __LITTLE_ENDIAN__
-#define _QUAD_HIGHWORD 1
-#define _QUAD_LOWWORD 0
-#else
-#define _QUAD_HIGHWORD 0
-#define _QUAD_LOWWORD 1
-#endif
-
-/*
* GCC defines _BIG_ENDIAN and _LITTLE_ENDIAN equal to __BIG_ENDIAN__
* and __LITTLE_ENDIAN__ (resp).
*/
@@ -60,94 +48,6 @@
#undef _LITTLE_ENDIAN
#endif
-/*
- * Definitions for byte order, according to byte significance from low
- * address to high.
- */
-#define _LITTLE_ENDIAN 1234 /* LSB first: i386, vax */
-#define _BIG_ENDIAN 4321 /* MSB first: 68000, ibm, net */
-#define _PDP_ENDIAN 3412 /* LSB first in word, MSW first in long */
-
-#ifdef __LITTLE_ENDIAN__
-#define _BYTE_ORDER _LITTLE_ENDIAN
-#else
-#define _BYTE_ORDER _BIG_ENDIAN
-#endif
-
-/*
- * Deprecated variants that don't have enough underscores to be useful in more
- * strict namespaces.
- */
-#if __BSD_VISIBLE
-#define LITTLE_ENDIAN _LITTLE_ENDIAN
-#define BIG_ENDIAN _BIG_ENDIAN
-#define PDP_ENDIAN _PDP_ENDIAN
-#define BYTE_ORDER _BYTE_ORDER
-#endif
-
-#if defined(__GNUCLIKE_BUILTIN_CONSTANT_P)
-#define __is_constant(x) __builtin_constant_p(x)
-#else
-#define __is_constant(x) 0
-#endif
-
-#define __bswap16_const(x) ((((__uint16_t)(x) >> 8) & 0xff) | \
- (((__uint16_t)(x) << 8) & 0xff00))
-#define __bswap32_const(x) ((((__uint32_t)(x) >> 24) & 0xff) | \
- (((__uint32_t)(x) >> 8) & 0xff00) | \
- (((__uint32_t)(x)<< 8) & 0xff0000) | \
- (((__uint32_t)(x) << 24) & 0xff000000))
-#define __bswap64_const(x) ((((__uint64_t)(x) >> 56) & 0xff) | \
- (((__uint64_t)(x) >> 40) & 0xff00) | \
- (((__uint64_t)(x) >> 24) & 0xff0000) | \
- (((__uint64_t)(x) >> 8) & 0xff000000) | \
- (((__uint64_t)(x) << 8) & ((__uint64_t)0xff << 32)) | \
- (((__uint64_t)(x) << 24) & ((__uint64_t)0xff << 40)) | \
- (((__uint64_t)(x) << 40) & ((__uint64_t)0xff << 48)) | \
- (((__uint64_t)(x) << 56) & ((__uint64_t)0xff << 56)))
-
-static __inline __uint16_t
-__bswap16_var(__uint16_t _x)
-{
-
- return ((_x >> 8) | ((_x << 8) & 0xff00));
-}
-
-static __inline __uint32_t
-__bswap32_var(__uint32_t _x)
-{
-
- return ((_x >> 24) | ((_x >> 8) & 0xff00) | ((_x << 8) & 0xff0000) |
- ((_x << 24) & 0xff000000));
-}
-
-static __inline __uint64_t
-__bswap64_var(__uint64_t _x)
-{
-
- return ((_x >> 56) | ((_x >> 40) & 0xff00) | ((_x >> 24) & 0xff0000) |
- ((_x >> 8) & 0xff000000) | ((_x << 8) & ((__uint64_t)0xff << 32)) |
- ((_x << 24) & ((__uint64_t)0xff << 40)) |
- ((_x << 40) & ((__uint64_t)0xff << 48)) | ((_x << 56)));
-}
-
-#define __bswap16(x) ((__uint16_t)(__is_constant(x) ? __bswap16_const(x) : \
- __bswap16_var(x)))
-#define __bswap32(x) (__is_constant(x) ? __bswap32_const(x) : \
- __bswap32_var(x))
-#define __bswap64(x) (__is_constant(x) ? __bswap64_const(x) : \
- __bswap64_var(x))
-
-#ifdef __LITTLE_ENDIAN__
-#define __htonl(x) (__bswap32((__uint32_t)(x)))
-#define __htons(x) (__bswap16((__uint16_t)(x)))
-#define __ntohl(x) (__bswap32((__uint32_t)(x)))
-#define __ntohs(x) (__bswap16((__uint16_t)(x)))
-#else
-#define __htonl(x) ((__uint32_t)(x))
-#define __htons(x) ((__uint16_t)(x))
-#define __ntohl(x) ((__uint32_t)(x))
-#define __ntohs(x) ((__uint16_t)(x))
-#endif
+#include <sys/_endian.h>
#endif /* !_MACHINE_ENDIAN_H_ */
diff --git a/sys/riscv/include/endian.h b/sys/riscv/include/endian.h
index 25516fa01366..0f06010b7e4b 100644
--- a/sys/riscv/include/endian.h
+++ b/sys/riscv/include/endian.h
@@ -34,91 +34,6 @@
#define _MACHINE_ENDIAN_H_
#include <sys/_types.h>
+#include <sys/_endian.h>
-/*
- * Definitions for byte order, according to byte significance from low
- * address to high.
- */
-#define _LITTLE_ENDIAN 1234 /* LSB first: i386, vax */
-#define _BIG_ENDIAN 4321 /* MSB first: 68000, ibm, net */
-#define _PDP_ENDIAN 3412 /* LSB first in word, MSW first in long */
-
-#define _BYTE_ORDER _LITTLE_ENDIAN
-
-#if __BSD_VISIBLE
-#define LITTLE_ENDIAN _LITTLE_ENDIAN
-#define BIG_ENDIAN _BIG_ENDIAN
-#define PDP_ENDIAN _PDP_ENDIAN
-#define BYTE_ORDER _BYTE_ORDER
-#endif
-
-#define _QUAD_HIGHWORD 1
-#define _QUAD_LOWWORD 0
-#define __ntohl(x) (__bswap32(x))
-#define __ntohs(x) (__bswap16(x))
-#define __htonl(x) (__bswap32(x))
-#define __htons(x) (__bswap16(x))
-
-static __inline __uint64_t
-__bswap64(__uint64_t _x)
-{
- __uint64_t ret;
-
- ret = (_x >> 56);
- ret |= ((_x >> 40) & 0xff00);
- ret |= ((_x >> 24) & 0xff0000);
- ret |= ((_x >> 8) & 0xff000000);
- ret |= ((_x << 8) & ((__uint64_t)0xff << 32));
- ret |= ((_x << 24) & ((__uint64_t)0xff << 40));
- ret |= ((_x << 40) & ((__uint64_t)0xff << 48));
- ret |= (_x << 56);
-
- return (ret);
-}
-
-static __inline __uint32_t
-__bswap32_var(__uint32_t _x)
-{
-
- return ((_x >> 24) | ((_x >> 8) & 0xff00) | ((_x << 8) & 0xff0000) |
- ((_x << 24) & 0xff000000));
-}
-
-static __inline __uint16_t
-__bswap16_var(__uint16_t _x)
-{
- __uint32_t ret;
-
- ret = ((_x >> 8) | ((_x << 8) & 0xff00));
-
- return ((__uint16_t)ret);
-}
-
-#ifdef __OPTIMIZE__
-
-#define __bswap32_constant(x) \
- ((((x) & 0xff000000U) >> 24) | \
- (((x) & 0x00ff0000U) >> 8) | \
- (((x) & 0x0000ff00U) << 8) | \
- (((x) & 0x000000ffU) << 24))
-
-#define __bswap16_constant(x) \
- ((((x) & 0xff00) >> 8) | \
- (((x) & 0x00ff) << 8))
-
-#define __bswap16(x) \
- ((__uint16_t)(__builtin_constant_p(x) ? \
- __bswap16_constant(x) : \
- __bswap16_var(x)))
-
-#define __bswap32(x) \
- ((__uint32_t)(__builtin_constant_p(x) ? \
- __bswap32_constant(x) : \
- __bswap32_var(x)))
-
-#else
-#define __bswap16(x) __bswap16_var(x)
-#define __bswap32(x) __bswap32_var(x)
-
-#endif /* __OPTIMIZE__ */
#endif /* !_MACHINE_ENDIAN_H_ */
diff --git a/sys/sys/_endian.h b/sys/sys/_endian.h
new file mode 100644
index 000000000000..936962cc729f
--- /dev/null
+++ b/sys/sys/_endian.h
@@ -0,0 +1,92 @@
+/*-
+ * SPDX-License-Identifier: BSD-3-Clause
+ *
+ * Copyright (c) 1987, 1991 Regents of the University of California.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * 3. Neither the name of the University nor the names of its contributors
+ * may be used to endorse or promote products derived from this software
+ * without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+#ifndef _SYS__ENDIAN_H_
+#define _SYS__ENDIAN_H_
+
+#ifndef _MACHINE_ENDIAN_H_
+#error "sys/_endian.h should not be included directly"
+#endif
+
+/* BSD Compatiblity */
+#define _BYTE_ORDER __BYTE_ORDER__
+
+/*
+ * Definitions for byte order, according to byte significance from low
+ * address to high.
+ */
+#define _LITTLE_ENDIAN __ORDER_LITTLE_ENDIAN__ /* LSB first: 1234 */
+#define _BIG_ENDIAN __ORDER_BIG_ENDIAN__ /* MSB first: 4321 */
+#define _PDP_ENDIAN __ORDER_PDP_ENDIAN__ /* LSB first in word,
+ * MSW first in long: 3412 */
+
+/*
+ * Define the order of 32-bit words in 64-bit words.
+ */
+#if _BYTE_ORDER == _LITTLE_ENDIAN
+#define _QUAD_HIGHWORD 1
+#define _QUAD_LOWWORD 0
+#elif _BYTE_ORDER == _BIG_ENDIAN
+#define _QUAD_HIGHWORD 0
+#define _QUAD_LOWWORD 1
+#else
+#error "Unsupported endian"
+#endif
+
+/*
+ * Deprecated variants that don't have enough underscores to be useful in more
+ * strict namespaces.
+ */
+#if __BSD_VISIBLE
+#define LITTLE_ENDIAN _LITTLE_ENDIAN
+#define BIG_ENDIAN _BIG_ENDIAN
+#define PDP_ENDIAN _PDP_ENDIAN
+#define BYTE_ORDER _BYTE_ORDER
+#endif
+
+/* bswap primitives, based on compiler builtins */
+#define __bswap16(x) __builtin_bswap16(x)
+#define __bswap32(x) __builtin_bswap32(x)
+#define __bswap64(x) __builtin_bswap64(x)
+
+#if _BYTE_ORDER == _LITTLE_ENDIAN
+#define __ntohl(x) (__bswap32(x))
+#define __ntohs(x) (__bswap16(x))
+#define __htonl(x) (__bswap32(x))
+#define __htons(x) (__bswap16(x))
+#elif _BYTE_ORDER == _BIG_ENDIAN
+#define __htonl(x) ((__uint32_t)(x))
+#define __htons(x) ((__uint16_t)(x))
+#define __ntohl(x) ((__uint32_t)(x))
+#define __ntohs(x) ((__uint16_t)(x))
+#endif
+
+#endif /* _SYS__ENDIAN_H_ */
diff --git a/sys/x86/include/endian.h b/sys/x86/include/endian.h
index 18d52fb8a6fa..8fb24881145b 100644
--- a/sys/x86/include/endian.h
+++ b/sys/x86/include/endian.h
@@ -35,43 +35,7 @@
#ifndef _MACHINE_ENDIAN_H_
#define _MACHINE_ENDIAN_H_
-#include <sys/cdefs.h>
#include <sys/_types.h>
-
-/*
- * Define the order of 32-bit words in 64-bit words.
- */
-#define _QUAD_HIGHWORD 1
-#define _QUAD_LOWWORD 0
-
-/*
- * Definitions for byte order, according to byte significance from low
- * address to high.
- */
-#define _LITTLE_ENDIAN 1234 /* LSB first: i386, vax */
-#define _BIG_ENDIAN 4321 /* MSB first: 68000, ibm, net */
-#define _PDP_ENDIAN 3412 /* LSB first in word, MSW first in long */
-
-#define _BYTE_ORDER _LITTLE_ENDIAN
-
-/*
- * Deprecated variants that don't have enough underscores to be useful in more
- * strict namespaces.
- */
-#if __BSD_VISIBLE
-#define LITTLE_ENDIAN _LITTLE_ENDIAN
-#define BIG_ENDIAN _BIG_ENDIAN
-#define PDP_ENDIAN _PDP_ENDIAN
-#define BYTE_ORDER _BYTE_ORDER
-#endif
-
-#define __bswap16(x) __builtin_bswap16(x)
-#define __bswap32(x) __builtin_bswap32(x)
-#define __bswap64(x) __builtin_bswap64(x)
-
-#define __htonl(x) __bswap32(x)
-#define __htons(x) __bswap16(x)
-#define __ntohl(x) __bswap32(x)
-#define __ntohs(x) __bswap16(x)
+#include <sys/_endian.h>
#endif /* !_MACHINE_ENDIAN_H_ */
generated by cgit v1.2.3 (git 2.25.1) at 2024-04-24 03:13:52 +0000