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Signed-off-by: Harvey Harrison <harvey.harrison@gmail.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Harvey Harrison
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Linus Torvalds
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Jan 7, 2009
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@@ -13,3 +13,4 @@ unifdef-y += cmb.h | |
| unifdef-y += debug.h | ||
| unifdef-y += chpid.h | ||
| unifdef-y += schid.h | ||
| unifdef-y += swab.h | ||
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| @@ -1,95 +1,7 @@ | ||
| #ifndef _S390_BYTEORDER_H | ||
| #define _S390_BYTEORDER_H | ||
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| /* | ||
| * include/asm-s390/byteorder.h | ||
| * | ||
| * S390 version | ||
| * Copyright (C) 1999 IBM Deutschland Entwicklung GmbH, IBM Corporation | ||
| * Author(s): Martin Schwidefsky (schwidefsky@de.ibm.com) | ||
| */ | ||
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| #include <asm/types.h> | ||
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| #define __BIG_ENDIAN | ||
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| #ifndef __s390x__ | ||
| # define __SWAB_64_THRU_32__ | ||
| #endif | ||
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| #ifdef __s390x__ | ||
| static inline __u64 __arch_swab64p(const __u64 *x) | ||
| { | ||
| __u64 result; | ||
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| asm volatile("lrvg %0,%1" : "=d" (result) : "m" (*x)); | ||
| return result; | ||
| } | ||
| #define __arch_swab64p __arch_swab64p | ||
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| static inline __u64 __arch_swab64(__u64 x) | ||
| { | ||
| __u64 result; | ||
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| asm volatile("lrvgr %0,%1" : "=d" (result) : "d" (x)); | ||
| return result; | ||
| } | ||
| #define __arch_swab64 __arch_swab64 | ||
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| static inline void __arch_swab64s(__u64 *x) | ||
| { | ||
| *x = __arch_swab64p(x); | ||
| } | ||
| #define __arch_swab64s __arch_swab64s | ||
| #endif /* __s390x__ */ | ||
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| static inline __u32 __arch_swab32p(const __u32 *x) | ||
| { | ||
| __u32 result; | ||
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| asm volatile( | ||
| #ifndef __s390x__ | ||
| " icm %0,8,3(%1)\n" | ||
| " icm %0,4,2(%1)\n" | ||
| " icm %0,2,1(%1)\n" | ||
| " ic %0,0(%1)" | ||
| : "=&d" (result) : "a" (x), "m" (*x) : "cc"); | ||
| #else /* __s390x__ */ | ||
| " lrv %0,%1" | ||
| : "=d" (result) : "m" (*x)); | ||
| #endif /* __s390x__ */ | ||
| return result; | ||
| } | ||
| #define __arch_swab32p __arch_swab32p | ||
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| #ifdef __s390x__ | ||
| static inline __u32 __arch_swab32(__u32 x) | ||
| { | ||
| __u32 result; | ||
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| asm volatile("lrvr %0,%1" : "=d" (result) : "d" (x)); | ||
| return result; | ||
| } | ||
| #define __arch_swab32 __arch_swab32 | ||
| #endif /* __s390x__ */ | ||
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| static inline __u16 __arch_swab16p(const __u16 *x) | ||
| { | ||
| __u16 result; | ||
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| asm volatile( | ||
| #ifndef __s390x__ | ||
| " icm %0,2,1(%1)\n" | ||
| " ic %0,0(%1)\n" | ||
| : "=&d" (result) : "a" (x), "m" (*x) : "cc"); | ||
| #else /* __s390x__ */ | ||
| " lrvh %0,%1" | ||
| : "=d" (result) : "m" (*x)); | ||
| #endif /* __s390x__ */ | ||
| return result; | ||
| } | ||
| #define __arch_swab16p __arch_swab16p | ||
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| #include <linux/byteorder.h> | ||
| #include <asm/swab.h> | ||
| #include <linux/byteorder/big_endian.h> | ||
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| #endif /* _S390_BYTEORDER_H */ |
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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1,91 @@ | ||
| #ifndef _S390_SWAB_H | ||
| #define _S390_SWAB_H | ||
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| /* | ||
| * include/asm-s390/swab.h | ||
| * | ||
| * S390 version | ||
| * Copyright (C) 1999 IBM Deutschland Entwicklung GmbH, IBM Corporation | ||
| * Author(s): Martin Schwidefsky (schwidefsky@de.ibm.com) | ||
| */ | ||
|
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| #include <asm/types.h> | ||
|
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| #ifndef __s390x__ | ||
| # define __SWAB_64_THRU_32__ | ||
| #endif | ||
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| #ifdef __s390x__ | ||
| static inline __u64 __arch_swab64p(const __u64 *x) | ||
| { | ||
| __u64 result; | ||
|
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| asm volatile("lrvg %0,%1" : "=d" (result) : "m" (*x)); | ||
| return result; | ||
| } | ||
| #define __arch_swab64p __arch_swab64p | ||
|
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| static inline __u64 __arch_swab64(__u64 x) | ||
| { | ||
| __u64 result; | ||
|
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| asm volatile("lrvgr %0,%1" : "=d" (result) : "d" (x)); | ||
| return result; | ||
| } | ||
| #define __arch_swab64 __arch_swab64 | ||
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| static inline void __arch_swab64s(__u64 *x) | ||
| { | ||
| *x = __arch_swab64p(x); | ||
| } | ||
| #define __arch_swab64s __arch_swab64s | ||
| #endif /* __s390x__ */ | ||
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| static inline __u32 __arch_swab32p(const __u32 *x) | ||
| { | ||
| __u32 result; | ||
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| asm volatile( | ||
| #ifndef __s390x__ | ||
| " icm %0,8,3(%1)\n" | ||
| " icm %0,4,2(%1)\n" | ||
| " icm %0,2,1(%1)\n" | ||
| " ic %0,0(%1)" | ||
| : "=&d" (result) : "a" (x), "m" (*x) : "cc"); | ||
| #else /* __s390x__ */ | ||
| " lrv %0,%1" | ||
| : "=d" (result) : "m" (*x)); | ||
| #endif /* __s390x__ */ | ||
| return result; | ||
| } | ||
| #define __arch_swab32p __arch_swab32p | ||
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| #ifdef __s390x__ | ||
| static inline __u32 __arch_swab32(__u32 x) | ||
| { | ||
| __u32 result; | ||
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| asm volatile("lrvr %0,%1" : "=d" (result) : "d" (x)); | ||
| return result; | ||
| } | ||
| #define __arch_swab32 __arch_swab32 | ||
| #endif /* __s390x__ */ | ||
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| static inline __u16 __arch_swab16p(const __u16 *x) | ||
| { | ||
| __u16 result; | ||
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| asm volatile( | ||
| #ifndef __s390x__ | ||
| " icm %0,2,1(%1)\n" | ||
| " ic %0,0(%1)\n" | ||
| : "=&d" (result) : "a" (x), "m" (*x) : "cc"); | ||
| #else /* __s390x__ */ | ||
| " lrvh %0,%1" | ||
| : "=d" (result) : "m" (*x)); | ||
| #endif /* __s390x__ */ | ||
| return result; | ||
| } | ||
| #define __arch_swab16p __arch_swab16p | ||
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| #endif /* _S390_SWAB_H */ |