diff options
author | Greg Ungerer <gerg@uclinux.org> | 2009-02-05 23:14:29 -0500 |
---|---|---|
committer | Greg Ungerer <gerg@uclinux.org> | 2009-03-24 01:17:44 -0400 |
commit | 4892242a47fe21724ee6a98d71d9c512716ea89d (patch) | |
tree | e18ec0dfffbf1c0a70aa0553911190b732b27ee0 /arch | |
parent | 872065e78c0dff5a384128ea198b34f72e9d5c3a (diff) |
m68k: merge the mmu and non-mmu versions of segment.h
Trivial merge of the mmu and non-mmu version of segment.h.
Signed-off-by: Greg Ungerer <gerg@uclinux.org>
Acked-by: Geert Uytterhoeven <geert@linux-m68k.org>
Diffstat (limited to 'arch')
-rw-r--r-- | arch/m68k/include/asm/segment.h | 64 | ||||
-rw-r--r-- | arch/m68k/include/asm/segment_mm.h | 57 | ||||
-rw-r--r-- | arch/m68k/include/asm/segment_no.h | 51 |
3 files changed, 61 insertions, 111 deletions
diff --git a/arch/m68k/include/asm/segment.h b/arch/m68k/include/asm/segment.h index 82583bc004bd..ee959219fdfe 100644 --- a/arch/m68k/include/asm/segment.h +++ b/arch/m68k/include/asm/segment.h | |||
@@ -1,5 +1,63 @@ | |||
1 | #ifdef __uClinux__ | 1 | #ifndef _M68K_SEGMENT_H |
2 | #include "segment_no.h" | 2 | #define _M68K_SEGMENT_H |
3 | |||
4 | /* define constants */ | ||
5 | /* Address spaces (FC0-FC2) */ | ||
6 | #define USER_DATA (1) | ||
7 | #ifndef __USER_DS | ||
8 | #define __USER_DS (USER_DATA) | ||
9 | #endif | ||
10 | #define USER_PROGRAM (2) | ||
11 | #define SUPER_DATA (5) | ||
12 | #ifndef __KERNEL_DS | ||
13 | #define __KERNEL_DS (SUPER_DATA) | ||
14 | #endif | ||
15 | #define SUPER_PROGRAM (6) | ||
16 | #define CPU_SPACE (7) | ||
17 | |||
18 | #ifndef __ASSEMBLY__ | ||
19 | |||
20 | typedef struct { | ||
21 | unsigned long seg; | ||
22 | } mm_segment_t; | ||
23 | |||
24 | #define MAKE_MM_SEG(s) ((mm_segment_t) { (s) }) | ||
25 | #define USER_DS MAKE_MM_SEG(__USER_DS) | ||
26 | #define KERNEL_DS MAKE_MM_SEG(__KERNEL_DS) | ||
27 | |||
28 | /* | ||
29 | * Get/set the SFC/DFC registers for MOVES instructions | ||
30 | */ | ||
31 | |||
32 | static inline mm_segment_t get_fs(void) | ||
33 | { | ||
34 | #ifdef CONFIG_MMU | ||
35 | mm_segment_t _v; | ||
36 | __asm__ ("movec %/dfc,%0":"=r" (_v.seg):); | ||
37 | |||
38 | return _v; | ||
3 | #else | 39 | #else |
4 | #include "segment_mm.h" | 40 | return USER_DS; |
41 | #endif | ||
42 | } | ||
43 | |||
44 | static inline mm_segment_t get_ds(void) | ||
45 | { | ||
46 | /* return the supervisor data space code */ | ||
47 | return KERNEL_DS; | ||
48 | } | ||
49 | |||
50 | static inline void set_fs(mm_segment_t val) | ||
51 | { | ||
52 | #ifdef CONFIG_MMU | ||
53 | __asm__ __volatile__ ("movec %0,%/sfc\n\t" | ||
54 | "movec %0,%/dfc\n\t" | ||
55 | : /* no outputs */ : "r" (val.seg) : "memory"); | ||
5 | #endif | 56 | #endif |
57 | } | ||
58 | |||
59 | #define segment_eq(a,b) ((a).seg == (b).seg) | ||
60 | |||
61 | #endif /* __ASSEMBLY__ */ | ||
62 | |||
63 | #endif /* _M68K_SEGMENT_H */ | ||
diff --git a/arch/m68k/include/asm/segment_mm.h b/arch/m68k/include/asm/segment_mm.h deleted file mode 100644 index 7b0b2d3127f9..000000000000 --- a/arch/m68k/include/asm/segment_mm.h +++ /dev/null | |||
@@ -1,57 +0,0 @@ | |||
1 | #ifndef _M68K_SEGMENT_H | ||
2 | #define _M68K_SEGMENT_H | ||
3 | |||
4 | /* define constants */ | ||
5 | /* Address spaces (FC0-FC2) */ | ||
6 | #define USER_DATA (1) | ||
7 | #ifndef __USER_DS | ||
8 | #define __USER_DS (USER_DATA) | ||
9 | #endif | ||
10 | #define USER_PROGRAM (2) | ||
11 | #define SUPER_DATA (5) | ||
12 | #ifndef __KERNEL_DS | ||
13 | #define __KERNEL_DS (SUPER_DATA) | ||
14 | #endif | ||
15 | #define SUPER_PROGRAM (6) | ||
16 | #define CPU_SPACE (7) | ||
17 | |||
18 | #ifndef __ASSEMBLY__ | ||
19 | |||
20 | typedef struct { | ||
21 | unsigned long seg; | ||
22 | } mm_segment_t; | ||
23 | |||
24 | #define MAKE_MM_SEG(s) ((mm_segment_t) { (s) }) | ||
25 | #define USER_DS MAKE_MM_SEG(__USER_DS) | ||
26 | #define KERNEL_DS MAKE_MM_SEG(__KERNEL_DS) | ||
27 | |||
28 | /* | ||
29 | * Get/set the SFC/DFC registers for MOVES instructions | ||
30 | */ | ||
31 | |||
32 | static inline mm_segment_t get_fs(void) | ||
33 | { | ||
34 | mm_segment_t _v; | ||
35 | __asm__ ("movec %/dfc,%0":"=r" (_v.seg):); | ||
36 | |||
37 | return _v; | ||
38 | } | ||
39 | |||
40 | static inline mm_segment_t get_ds(void) | ||
41 | { | ||
42 | /* return the supervisor data space code */ | ||
43 | return KERNEL_DS; | ||
44 | } | ||
45 | |||
46 | static inline void set_fs(mm_segment_t val) | ||
47 | { | ||
48 | __asm__ __volatile__ ("movec %0,%/sfc\n\t" | ||
49 | "movec %0,%/dfc\n\t" | ||
50 | : /* no outputs */ : "r" (val.seg) : "memory"); | ||
51 | } | ||
52 | |||
53 | #define segment_eq(a,b) ((a).seg == (b).seg) | ||
54 | |||
55 | #endif /* __ASSEMBLY__ */ | ||
56 | |||
57 | #endif /* _M68K_SEGMENT_H */ | ||
diff --git a/arch/m68k/include/asm/segment_no.h b/arch/m68k/include/asm/segment_no.h deleted file mode 100644 index 42318ebec7ec..000000000000 --- a/arch/m68k/include/asm/segment_no.h +++ /dev/null | |||
@@ -1,51 +0,0 @@ | |||
1 | #ifndef _M68K_SEGMENT_H | ||
2 | #define _M68K_SEGMENT_H | ||
3 | |||
4 | /* define constants */ | ||
5 | /* Address spaces (FC0-FC2) */ | ||
6 | #define USER_DATA (1) | ||
7 | #ifndef __USER_DS | ||
8 | #define __USER_DS (USER_DATA) | ||
9 | #endif | ||
10 | #define USER_PROGRAM (2) | ||
11 | #define SUPER_DATA (5) | ||
12 | #ifndef __KERNEL_DS | ||
13 | #define __KERNEL_DS (SUPER_DATA) | ||
14 | #endif | ||
15 | #define SUPER_PROGRAM (6) | ||
16 | #define CPU_SPACE (7) | ||
17 | |||
18 | #ifndef __ASSEMBLY__ | ||
19 | |||
20 | typedef struct { | ||
21 | unsigned long seg; | ||
22 | } mm_segment_t; | ||
23 | |||
24 | #define MAKE_MM_SEG(s) ((mm_segment_t) { (s) }) | ||
25 | #define USER_DS MAKE_MM_SEG(__USER_DS) | ||
26 | #define KERNEL_DS MAKE_MM_SEG(__KERNEL_DS) | ||
27 | |||
28 | /* | ||
29 | * Get/set the SFC/DFC registers for MOVES instructions | ||
30 | */ | ||
31 | |||
32 | static inline mm_segment_t get_fs(void) | ||
33 | { | ||
34 | return USER_DS; | ||
35 | } | ||
36 | |||
37 | static inline mm_segment_t get_ds(void) | ||
38 | { | ||
39 | /* return the supervisor data space code */ | ||
40 | return KERNEL_DS; | ||
41 | } | ||
42 | |||
43 | static inline void set_fs(mm_segment_t val) | ||
44 | { | ||
45 | } | ||
46 | |||
47 | #define segment_eq(a,b) ((a).seg == (b).seg) | ||
48 | |||
49 | #endif /* __ASSEMBLY__ */ | ||
50 | |||
51 | #endif /* _M68K_SEGMENT_H */ | ||