diff options
author | David Howells <dhowells@redhat.com> | 2012-10-09 09:46:39 +0100 |
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committer | Bob Liu <lliubbo@gmail.com> | 2012-12-13 13:50:56 +0800 |
commit | 2ba364504f2c31665007330dec23e89e44f5864e (patch) | |
tree | 3f731d76a23441ca78e55d4838689a1a871da63a /arch/blackfin/include/uapi/asm/swab.h | |
parent | 29594404d7fe73cd80eaa4ee8c43dcc53970c60e (diff) | |
download | op-kernel-dev-2ba364504f2c31665007330dec23e89e44f5864e.zip op-kernel-dev-2ba364504f2c31665007330dec23e89e44f5864e.tar.gz |
UAPI: (Scripted) Disintegrate arch/blackfin/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/blackfin/include/uapi/asm/swab.h')
-rw-r--r-- | arch/blackfin/include/uapi/asm/swab.h | 50 |
1 files changed, 50 insertions, 0 deletions
diff --git a/arch/blackfin/include/uapi/asm/swab.h b/arch/blackfin/include/uapi/asm/swab.h new file mode 100644 index 0000000..89de650 --- /dev/null +++ b/arch/blackfin/include/uapi/asm/swab.h @@ -0,0 +1,50 @@ +/* + * Copyright 2009 Analog Devices Inc. + * + * Licensed under the GPL-2 or later. + */ + +#ifndef _BLACKFIN_SWAB_H +#define _BLACKFIN_SWAB_H + +#include <linux/types.h> +#include <asm-generic/swab.h> + +#ifdef __GNUC__ + +static __inline__ __attribute_const__ __u32 __arch_swahb32(__u32 xx) +{ + __u32 tmp; + __asm__("%1 = %0 >> 8 (V);\n\t" + "%0 = %0 << 8 (V);\n\t" + "%0 = %0 | %1;\n\t" + : "+d"(xx), "=&d"(tmp)); + return xx; +} +#define __arch_swahb32 __arch_swahb32 + +static __inline__ __attribute_const__ __u32 __arch_swahw32(__u32 xx) +{ + __u32 rv; + __asm__("%0 = PACK(%1.L, %1.H);\n\t": "=d"(rv): "d"(xx)); + return rv; +} +#define __arch_swahw32 __arch_swahw32 + +static __inline__ __attribute_const__ __u32 __arch_swab32(__u32 xx) +{ + return __arch_swahb32(__arch_swahw32(xx)); +} +#define __arch_swab32 __arch_swab32 + +static __inline__ __attribute_const__ __u16 __arch_swab16(__u16 xx) +{ + __u32 xw = xx; + __asm__("%0 <<= 8;\n %0.L = %0.L + %0.H (NS);\n": "+d"(xw)); + return (__u16)xw; +} +#define __arch_swab16 __arch_swab16 + +#endif /* __GNUC__ */ + +#endif /* _BLACKFIN_SWAB_H */ |