From e5fd91f1ef340da553f7a79da9540c3db711c937 Mon Sep 17 00:00:00 2001 From: André Fabian Silva Delgado Date: Tue, 8 Sep 2015 01:01:14 -0300 Subject: Linux-libre 4.2-gnu --- arch/h8300/include/asm/segment.h | 45 ++++++++++++++++++++++++++++++++++++++++ 1 file changed, 45 insertions(+) create mode 100644 arch/h8300/include/asm/segment.h (limited to 'arch/h8300/include/asm/segment.h') diff --git a/arch/h8300/include/asm/segment.h b/arch/h8300/include/asm/segment.h new file mode 100644 index 000000000..48424c6e1 --- /dev/null +++ b/arch/h8300/include/asm/segment.h @@ -0,0 +1,45 @@ +#ifndef _H8300_SEGMENT_H +#define _H8300_SEGMENT_H + +/* define constants */ +#define USER_DATA (1) +#ifndef __USER_DS +#define __USER_DS (USER_DATA) +#endif +#define USER_PROGRAM (2) +#define SUPER_DATA (3) +#ifndef __KERNEL_DS +#define __KERNEL_DS (SUPER_DATA) +#endif +#define SUPER_PROGRAM (4) + +#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; +} + +#define segment_eq(a, b) ((a).seg == (b).seg) + +#endif /* __ASSEMBLY__ */ + +#endif /* _H8300_SEGMENT_H */ -- cgit v1.2.3-54-g00ecf