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authorDavid Howells <dhowells@redhat.com>2012-10-09 09:47:43 +0100
committerDavid Howells <dhowells@redhat.com>2012-10-09 09:47:43 +0100
commit5457982641fb3f5fb08ce22a853dd5474645c66d (patch)
tree0c6e6ba3335aa1f1db969012ca1148e46e8e6b3d /arch/sparc/include/uapi/asm/swab.h
parent9e2d8656f5e8aa214e66b462680cf86b210b74a8 (diff)
downloadop-kernel-dev-5457982641fb3f5fb08ce22a853dd5474645c66d.zip
op-kernel-dev-5457982641fb3f5fb08ce22a853dd5474645c66d.tar.gz
UAPI: (Scripted) Disintegrate arch/sparc/include/asm
Signed-off-by: David Howells <dhowells@redhat.com> Acked-by: Arnd Bergmann <arnd@arndb.de> Acked-by: Thomas Gleixner <tglx@linutronix.de> Acked-by: Michael Kerrisk <mtk.manpages@gmail.com> Acked-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com> Acked-by: Dave Jones <davej@redhat.com>
Diffstat (limited to 'arch/sparc/include/uapi/asm/swab.h')
-rw-r--r--arch/sparc/include/uapi/asm/swab.h45
1 files changed, 45 insertions, 0 deletions
diff --git a/arch/sparc/include/uapi/asm/swab.h b/arch/sparc/include/uapi/asm/swab.h
new file mode 100644
index 0000000..a34ad07
--- /dev/null
+++ b/arch/sparc/include/uapi/asm/swab.h
@@ -0,0 +1,45 @@
+#ifndef _SPARC_SWAB_H
+#define _SPARC_SWAB_H
+
+#include <linux/types.h>
+#include <asm/asi.h>
+
+#if defined(__sparc__) && defined(__arch64__)
+static inline __u16 __arch_swab16p(const __u16 *addr)
+{
+ __u16 ret;
+
+ __asm__ __volatile__ ("lduha [%1] %2, %0"
+ : "=r" (ret)
+ : "r" (addr), "i" (ASI_PL));
+ return ret;
+}
+#define __arch_swab16p __arch_swab16p
+
+static inline __u32 __arch_swab32p(const __u32 *addr)
+{
+ __u32 ret;
+
+ __asm__ __volatile__ ("lduwa [%1] %2, %0"
+ : "=r" (ret)
+ : "r" (addr), "i" (ASI_PL));
+ return ret;
+}
+#define __arch_swab32p __arch_swab32p
+
+static inline __u64 __arch_swab64p(const __u64 *addr)
+{
+ __u64 ret;
+
+ __asm__ __volatile__ ("ldxa [%1] %2, %0"
+ : "=r" (ret)
+ : "r" (addr), "i" (ASI_PL));
+ return ret;
+}
+#define __arch_swab64p __arch_swab64p
+
+#else
+#define __SWAB_64_THRU_32__
+#endif /* defined(__sparc__) && defined(__arch64__) */
+
+#endif /* _SPARC_SWAB_H */
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