diff options
| author | Greg Ungerer <gerg@uclinux.org> | 2009-02-06 14:14:29 +1000 |
|---|---|---|
| committer | Greg Ungerer <gerg@uclinux.org> | 2009-03-24 15:17:44 +1000 |
| commit | 4892242a47fe21724ee6a98d71d9c512716ea89d (patch) | |
| tree | e18ec0dfffbf1c0a70aa0553911190b732b27ee0 /arch/m68k/include/asm/segment_mm.h | |
| 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/m68k/include/asm/segment_mm.h')
| -rw-r--r-- | arch/m68k/include/asm/segment_mm.h | 57 |
1 files changed, 0 insertions, 57 deletions
diff --git a/arch/m68k/include/asm/segment_mm.h b/arch/m68k/include/asm/segment_mm.h deleted file mode 100644 index 7b0b2d3127f..00000000000 --- a/arch/m68k/include/asm/segment_mm.h +++ /dev/null @@ -1,57 +0,0 @@ -#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) -{ - mm_segment_t _v; - __asm__ ("movec %/dfc,%0":"=r" (_v.seg):); - - return _v; -} - -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) -{ - __asm__ __volatile__ ("movec %0,%/sfc\n\t" - "movec %0,%/dfc\n\t" - : /* no outputs */ : "r" (val.seg) : "memory"); -} - -#define segment_eq(a,b) ((a).seg == (b).seg) - -#endif /* __ASSEMBLY__ */ - -#endif /* _M68K_SEGMENT_H */ |