diff options
author | Greg Ungerer <gerg@uclinux.org> | 2008-07-31 14:38:07 +1000 |
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committer | Greg Ungerer <gerg@uclinux.org> | 2008-08-07 15:36:16 +1000 |
commit | 58750139001bae11a1f9b074f3a9c774fecf5ba8 (patch) | |
tree | ecdafd4d8c3d2ef2cee7e512b7310552863a617c /arch/m68knommu/include/asm/segment.h | |
parent | 685d87f7ccc649ab92b55e18e507a65d0e694eb9 (diff) |
Move all of include/asm-m68knommu to arch/m68knommu/include/asm.
With the current kbuild infrastructure in place no other changes
are required for this to work.
Signed-off-by: Greg Ungerer <gerg@uclinux.org>
Diffstat (limited to 'arch/m68knommu/include/asm/segment.h')
-rw-r--r-- | arch/m68knommu/include/asm/segment.h | 51 |
1 files changed, 51 insertions, 0 deletions
diff --git a/arch/m68knommu/include/asm/segment.h b/arch/m68knommu/include/asm/segment.h new file mode 100644 index 00000000000..42318ebec7e --- /dev/null +++ b/arch/m68knommu/include/asm/segment.h @@ -0,0 +1,51 @@ +#ifndef _M68K_SEGMENT_H +#define _M68K_SEGMENT_H + +/* define constants */ +/* Address spaces (FC0-FC2) */ +#define USER_DATA (1) +#ifndef __USER_DS +#define __USER_DS (USER_DATA) +#endif +#define USER_PROGRAM (2) +#define SUPER_DATA (5) +#ifndef __KERNEL_DS +#define __KERNEL_DS (SUPER_DATA) +#endif +#define SUPER_PROGRAM (6) +#define CPU_SPACE (7) + +#ifndef __ASSEMBLY__ + +typedef struct { + unsigned long seg; +} mm_segment_t; + +#define MAKE_MM_SEG(s) ((mm_segment_t) { (s) }) +#define USER_DS MAKE_MM_SEG(__USER_DS) +#define KERNEL_DS MAKE_MM_SEG(__KERNEL_DS) + +/* + * Get/set the SFC/DFC registers for MOVES instructions + */ + +static inline mm_segment_t get_fs(void) +{ + return USER_DS; +} + +static inline mm_segment_t get_ds(void) +{ + /* return the supervisor data space code */ + return KERNEL_DS; +} + +static inline void set_fs(mm_segment_t val) +{ +} + +#define segment_eq(a,b) ((a).seg == (b).seg) + +#endif /* __ASSEMBLY__ */ + +#endif /* _M68K_SEGMENT_H */ |