vlmcsd-svn1065-2016-10-12-Hotbird64

2026-08-03 13:52:50 +08:00 · 2016-10-14 13:28:23 +08:00
parent d413afbadf
commit 798675dc66
599 changed files with 72864 additions and 1997 deletions
@@ -0,0 +1,36 @@
+#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 */