X-Git-Url: http://wagnertech.de/git?a=blobdiff_plain;f=i686-linux-gnu-4.7%2Fusr%2Finclude%2Fx86_64-linux-gnu%2Fasm%2Fswab.h;fp=i686-linux-gnu-4.7%2Fusr%2Finclude%2Fx86_64-linux-gnu%2Fasm%2Fswab.h;h=5353f76c9ae4a02b05b88f27127c6045c8c5f91d;hb=94df942c2c7bd3457276fe5b7367623cbb8c1302;hp=0000000000000000000000000000000000000000;hpb=4dd7d9155a920895ff7b1cb6b9c9c676aa62000a;p=cross.git

diff --git a/i686-linux-gnu-4.7/usr/include/x86_64-linux-gnu/asm/swab.h b/i686-linux-gnu-4.7/usr/include/x86_64-linux-gnu/asm/swab.h
new file mode 100644
index 0000000..5353f76
--- /dev/null
+++ b/i686-linux-gnu-4.7/usr/include/x86_64-linux-gnu/asm/swab.h
@@ -0,0 +1,37 @@
+/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
+#ifndef _ASM_X86_SWAB_H
+#define _ASM_X86_SWAB_H
+
+#include <linux/types.h>
+
+
+static __inline__  __u32 __arch_swab32(__u32 val)
+{
+	__asm__("bswapl %0" : "=r" (val) : "0" (val));
+	return val;
+}
+#define __arch_swab32 __arch_swab32
+
+static __inline__  __u64 __arch_swab64(__u64 val)
+{
+#ifdef __i386__
+	union {
+		struct {
+			__u32 a;
+			__u32 b;
+		} s;
+		__u64 u;
+	} v;
+	v.u = val;
+	__asm__("bswapl %0 ; bswapl %1 ; xchgl %0,%1"
+	    : "=r" (v.s.a), "=r" (v.s.b)
+	    : "0" (v.s.a), "1" (v.s.b));
+	return v.u;
+#else /* __i386__ */
+	__asm__("bswapq %0" : "=r" (val) : "0" (val));
+	return val;
+#endif
+}
+#define __arch_swab64 __arch_swab64
+
+#endif /* _ASM_X86_SWAB_H */