[thirdparty/kernel/linux.git] / arch / sparc / lib / GENcopy_from_user.S

/* SPDX-License-Identifier: GPL-2.0 */
/* GENcopy_from_user.S: Generic sparc64 copy from userspace.
 *
 * Copyright (C) 2007 David S. Miller (davem@davemloft.net)
 */

#define EX_LD(x,y)		\
98:	x;			\
	.section __ex_table,"a";\
	.align 4;		\
	.word 98b, y;		\
	.text;			\
	.align 4;

#ifndef ASI_AIUS
#define ASI_AIUS	0x11
#endif

#define FUNC_NAME		GENcopy_from_user
#define LOAD(type,addr,dest)	type##a [addr] ASI_AIUS, dest
#define EX_RETVAL(x)		0

#ifdef __KERNEL__
#define PREAMBLE					\
	rd		%asi, %g1;			\
	cmp		%g1, ASI_AIUS;			\
	bne,pn		%icc, raw_copy_in_user;		\
	 nop
#endif

#include "GENmemcpy.S"
Commit	Line	Data
b2441318	1	/* SPDX-License-Identifier: GPL-2.0 */
6c70b6fc DM	2	/* GENcopy_from_user.S: Generic sparc64 copy from userspace.
	3	*
	4	* Copyright (C) 2007 David S. Miller (davem@davemloft.net)
	5	*/
	6
d0796b55	7	#define EX_LD(x,y) \
6c70b6fc	8	98: x; \
6c70b6fc DM	9	.section __ex_table,"a";\
6c70b6fc DM	10	.align 4; \
d0796b55	11	.word 98b, y; \
6c70b6fc DM	12	.text; \
	13	.align 4;
	14
	15	#ifndef ASI_AIUS
	16	#define ASI_AIUS 0x11
	17	#endif
	18
	19	#define FUNC_NAME GENcopy_from_user
	20	#define LOAD(type,addr,dest) type##a [addr] ASI_AIUS, dest
	21	#define EX_RETVAL(x) 0
	22
	23	#ifdef __KERNEL__
	24	#define PREAMBLE \
	25	rd %asi, %g1; \
	26	cmp %g1, ASI_AIUS; \
31af2f36	27	bne,pn %icc, raw_copy_in_user; \
6c70b6fc DM	28	nop
	29	#endif
	30
	31	#include "GENmemcpy.S"