diff options
Diffstat (limited to 'include/asm-powerpc/byteorder.h')
-rw-r--r-- | include/asm-powerpc/byteorder.h | 89 |
1 files changed, 0 insertions, 89 deletions
diff --git a/include/asm-powerpc/byteorder.h b/include/asm-powerpc/byteorder.h deleted file mode 100644 index b37752214a16..000000000000 --- a/include/asm-powerpc/byteorder.h +++ /dev/null | |||
@@ -1,89 +0,0 @@ | |||
1 | #ifndef _ASM_POWERPC_BYTEORDER_H | ||
2 | #define _ASM_POWERPC_BYTEORDER_H | ||
3 | |||
4 | /* | ||
5 | * This program is free software; you can redistribute it and/or | ||
6 | * modify it under the terms of the GNU General Public License | ||
7 | * as published by the Free Software Foundation; either version | ||
8 | * 2 of the License, or (at your option) any later version. | ||
9 | */ | ||
10 | |||
11 | #include <asm/types.h> | ||
12 | #include <linux/compiler.h> | ||
13 | |||
14 | #ifdef __GNUC__ | ||
15 | #ifdef __KERNEL__ | ||
16 | |||
17 | static __inline__ __u16 ld_le16(const volatile __u16 *addr) | ||
18 | { | ||
19 | __u16 val; | ||
20 | |||
21 | __asm__ __volatile__ ("lhbrx %0,0,%1" : "=r" (val) : "r" (addr), "m" (*addr)); | ||
22 | return val; | ||
23 | } | ||
24 | |||
25 | static __inline__ void st_le16(volatile __u16 *addr, const __u16 val) | ||
26 | { | ||
27 | __asm__ __volatile__ ("sthbrx %1,0,%2" : "=m" (*addr) : "r" (val), "r" (addr)); | ||
28 | } | ||
29 | |||
30 | static __inline__ __u32 ld_le32(const volatile __u32 *addr) | ||
31 | { | ||
32 | __u32 val; | ||
33 | |||
34 | __asm__ __volatile__ ("lwbrx %0,0,%1" : "=r" (val) : "r" (addr), "m" (*addr)); | ||
35 | return val; | ||
36 | } | ||
37 | |||
38 | static __inline__ void st_le32(volatile __u32 *addr, const __u32 val) | ||
39 | { | ||
40 | __asm__ __volatile__ ("stwbrx %1,0,%2" : "=m" (*addr) : "r" (val), "r" (addr)); | ||
41 | } | ||
42 | |||
43 | static __inline__ __attribute_const__ __u16 ___arch__swab16(__u16 value) | ||
44 | { | ||
45 | __u16 result; | ||
46 | |||
47 | __asm__("rlwimi %0,%1,8,16,23" | ||
48 | : "=r" (result) | ||
49 | : "r" (value), "0" (value >> 8)); | ||
50 | return result; | ||
51 | } | ||
52 | |||
53 | static __inline__ __attribute_const__ __u32 ___arch__swab32(__u32 value) | ||
54 | { | ||
55 | __u32 result; | ||
56 | |||
57 | __asm__("rlwimi %0,%1,24,16,23\n\t" | ||
58 | "rlwimi %0,%1,8,8,15\n\t" | ||
59 | "rlwimi %0,%1,24,0,7" | ||
60 | : "=r" (result) | ||
61 | : "r" (value), "0" (value >> 24)); | ||
62 | return result; | ||
63 | } | ||
64 | |||
65 | #define __arch__swab16(x) ___arch__swab16(x) | ||
66 | #define __arch__swab32(x) ___arch__swab32(x) | ||
67 | |||
68 | /* The same, but returns converted value from the location pointer by addr. */ | ||
69 | #define __arch__swab16p(addr) ld_le16(addr) | ||
70 | #define __arch__swab32p(addr) ld_le32(addr) | ||
71 | |||
72 | /* The same, but do the conversion in situ, ie. put the value back to addr. */ | ||
73 | #define __arch__swab16s(addr) st_le16(addr,*addr) | ||
74 | #define __arch__swab32s(addr) st_le32(addr,*addr) | ||
75 | |||
76 | #endif /* __KERNEL__ */ | ||
77 | |||
78 | #ifndef __STRICT_ANSI__ | ||
79 | #define __BYTEORDER_HAS_U64__ | ||
80 | #ifndef __powerpc64__ | ||
81 | #define __SWAB_64_THRU_32__ | ||
82 | #endif /* __powerpc64__ */ | ||
83 | #endif /* __STRICT_ANSI__ */ | ||
84 | |||
85 | #endif /* __GNUC__ */ | ||
86 | |||
87 | #include <linux/byteorder/big_endian.h> | ||
88 | |||
89 | #endif /* _ASM_POWERPC_BYTEORDER_H */ | ||