[linux-2.6-block.git] / arch / h8300 / include / asm / segment.h

/* SPDX-License-Identifier: GPL-2.0 */
#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;
}

#define segment_eq(a, b)	((a).seg == (b).seg)

#endif /* __ASSEMBLY__ */

#endif /* _H8300_SEGMENT_H */
Commit	Line	Data
b2441318	1	/* SPDX-License-Identifier: GPL-2.0 */
d2a5f499 YS	2	#ifndef _H8300_SEGMENT_H
	3	#define _H8300_SEGMENT_H
	4
	5	/* define constants */
	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 (3)
	12	#ifndef __KERNEL_DS
	13	#define __KERNEL_DS (SUPER_DATA)
	14	#endif
	15	#define SUPER_PROGRAM (4)
	16
	17	#ifndef __ASSEMBLY__
	18
	19	typedef struct {
	20	unsigned long seg;
	21	} mm_segment_t;
	22
	23	#define MAKE_MM_SEG(s) ((mm_segment_t) { (s) })
	24	#define USER_DS MAKE_MM_SEG(__USER_DS)
	25	#define KERNEL_DS MAKE_MM_SEG(__KERNEL_DS)
	26
	27	/*
	28	* Get/set the SFC/DFC registers for MOVES instructions
	29	*/
	30
	31	static inline mm_segment_t get_fs(void)
	32	{
	33	return USER_DS;
	34	}
	35
d2a5f499 YS	36	#define segment_eq(a, b) ((a).seg == (b).seg)
	37
	38	#endif /* __ASSEMBLY__ */
	39
	40	#endif /* _H8300_SEGMENT_H */