diff options
Diffstat (limited to 'include/asm-sh/segment.h')
-rw-r--r-- | include/asm-sh/segment.h | 34 |
1 files changed, 0 insertions, 34 deletions
diff --git a/include/asm-sh/segment.h b/include/asm-sh/segment.h deleted file mode 100644 index 5e2725f4ac49..000000000000 --- a/include/asm-sh/segment.h +++ /dev/null | |||
@@ -1,34 +0,0 @@ | |||
1 | #ifndef __ASM_SH_SEGMENT_H | ||
2 | #define __ASM_SH_SEGMENT_H | ||
3 | |||
4 | #ifndef __ASSEMBLY__ | ||
5 | |||
6 | typedef struct { | ||
7 | unsigned long seg; | ||
8 | } mm_segment_t; | ||
9 | |||
10 | #define MAKE_MM_SEG(s) ((mm_segment_t) { (s) }) | ||
11 | |||
12 | /* | ||
13 | * The fs value determines whether argument validity checking should be | ||
14 | * performed or not. If get_fs() == USER_DS, checking is performed, with | ||
15 | * get_fs() == KERNEL_DS, checking is bypassed. | ||
16 | * | ||
17 | * For historical reasons, these macros are grossly misnamed. | ||
18 | */ | ||
19 | #define KERNEL_DS MAKE_MM_SEG(0xFFFFFFFFUL) | ||
20 | #ifdef CONFIG_MMU | ||
21 | #define USER_DS MAKE_MM_SEG(PAGE_OFFSET) | ||
22 | #else | ||
23 | #define USER_DS KERNEL_DS | ||
24 | #endif | ||
25 | |||
26 | #define segment_eq(a,b) ((a).seg == (b).seg) | ||
27 | |||
28 | #define get_ds() (KERNEL_DS) | ||
29 | |||
30 | #define get_fs() (current_thread_info()->addr_limit) | ||
31 | #define set_fs(x) (current_thread_info()->addr_limit = (x)) | ||
32 | |||
33 | #endif /* __ASSEMBLY__ */ | ||
34 | #endif /* __ASM_SH_SEGMENT_H */ | ||