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authorDavid Howells <dhowells@redhat.com>2012-10-16 21:28:05 +0100
committerDavid Howells <dhowells@redhat.com>2012-10-16 21:28:05 +0100
commit70c1674f62026e455c0c821fb7f4baf24d2d1139 (patch)
tree45890738781abe3ec50e3604cb222ee0dd9bfb2c /arch/parisc/include/asm/swab.h
parente1141355e00a9992fba1c3b3712224c5e58f4118 (diff)
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UAPI: (Scripted) Disintegrate arch/parisc/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/parisc/include/asm/swab.h')
-rw-r--r--arch/parisc/include/asm/swab.h66
1 files changed, 0 insertions, 66 deletions
diff --git a/arch/parisc/include/asm/swab.h b/arch/parisc/include/asm/swab.h
deleted file mode 100644
index e78403b129ef..000000000000
--- a/arch/parisc/include/asm/swab.h
+++ /dev/null
@@ -1,66 +0,0 @@
-#ifndef _PARISC_SWAB_H
-#define _PARISC_SWAB_H
-
-#include <linux/types.h>
-#include <linux/compiler.h>
-
-#define __SWAB_64_THRU_32__
-
-static inline __attribute_const__ __u16 __arch_swab16(__u16 x)
-{
- __asm__("dep %0, 15, 8, %0\n\t" /* deposit 00ab -> 0bab */
- "shd %%r0, %0, 8, %0" /* shift 000000ab -> 00ba */
- : "=r" (x)
- : "0" (x));
- return x;
-}
-#define __arch_swab16 __arch_swab16
-
-static inline __attribute_const__ __u32 __arch_swab24(__u32 x)
-{
- __asm__("shd %0, %0, 8, %0\n\t" /* shift xabcxabc -> cxab */
- "dep %0, 15, 8, %0\n\t" /* deposit cxab -> cbab */
- "shd %%r0, %0, 8, %0" /* shift 0000cbab -> 0cba */
- : "=r" (x)
- : "0" (x));
- return x;
-}
-
-static inline __attribute_const__ __u32 __arch_swab32(__u32 x)
-{
- unsigned int temp;
- __asm__("shd %0, %0, 16, %1\n\t" /* shift abcdabcd -> cdab */
- "dep %1, 15, 8, %1\n\t" /* deposit cdab -> cbab */
- "shd %0, %1, 8, %0" /* shift abcdcbab -> dcba */
- : "=r" (x), "=&r" (temp)
- : "0" (x));
- return x;
-}
-#define __arch_swab32 __arch_swab32
-
-#if BITS_PER_LONG > 32
-/*
-** From "PA-RISC 2.0 Architecture", HP Professional Books.
-** See Appendix I page 8 , "Endian Byte Swapping".
-**
-** Pretty cool algorithm: (* == zero'd bits)
-** PERMH 01234567 -> 67452301 into %0
-** HSHL 67452301 -> 7*5*3*1* into %1
-** HSHR 67452301 -> *6*4*2*0 into %0
-** OR %0 | %1 -> 76543210 into %0 (all done!)
-*/
-static inline __attribute_const__ __u64 __arch_swab64(__u64 x)
-{
- __u64 temp;
- __asm__("permh,3210 %0, %0\n\t"
- "hshl %0, 8, %1\n\t"
- "hshr,u %0, 8, %0\n\t"
- "or %1, %0, %0"
- : "=r" (x), "=&r" (temp)
- : "0" (x));
- return x;
-}
-#define __arch_swab64 __arch_swab64
-#endif /* BITS_PER_LONG > 32 */
-
-#endif /* _PARISC_SWAB_H */
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