From 4892242a47fe21724ee6a98d71d9c512716ea89d Mon Sep 17 00:00:00 2001 From: Greg Ungerer Date: Fri, 6 Feb 2009 14:14:29 +1000 Subject: [PATCH] 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 Acked-by: Geert Uytterhoeven --- arch/m68k/include/asm/segment.h | 64 ++++++++++++++++++++++++++++-- arch/m68k/include/asm/segment_mm.h | 57 -------------------------- arch/m68k/include/asm/segment_no.h | 51 ------------------------ 3 files changed, 61 insertions(+), 111 deletions(-) delete mode 100644 arch/m68k/include/asm/segment_mm.h delete mode 100644 arch/m68k/include/asm/segment_no.h 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 @@ -#ifdef __uClinux__ -#include "segment_no.h" +#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) +{ +#ifdef CONFIG_MMU + mm_segment_t _v; + __asm__ ("movec %/dfc,%0":"=r" (_v.seg):); + + return _v; #else -#include "segment_mm.h" + return USER_DS; +#endif +} + +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) +{ +#ifdef CONFIG_MMU + __asm__ __volatile__ ("movec %0,%/sfc\n\t" + "movec %0,%/dfc\n\t" + : /* no outputs */ : "r" (val.seg) : "memory"); #endif +} + +#define segment_eq(a,b) ((a).seg == (b).seg) + +#endif /* __ASSEMBLY__ */ + +#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 @@ -#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 */ 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 @@ -#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 */ -- 2.20.1