[deliverable/linux.git] / arch / blackfin / lib / strcpy.S

/*
 * Copyright 2005-2010 Analog Devices Inc.
 *
 * Licensed under the Clear BSD license or the GPL-2 (or later)
 */

#include <linux/linkage.h>

/* void *strcpy(char *dest, const char *src);
 * R0 = address (dest)
 * R1 = address (src)
 *
 * Returns a pointer to the destination string dest
 */

#ifdef CONFIG_STRCPY_L1
.section .l1.text
#else
.text
#endif

.align 2

ENTRY(_strcpy)
	P0 = R0 ;       /* dst*/
	P1 = R1 ;       /* src*/

1:
	R1 = B [P1++] (Z);
	B [P0++] = R1;
	CC = R1;
	if cc jump 1b (bp);
	RTS;

ENDPROC(_strcpy)
Commit	Line	Data
479ba603 RG	1	/*
	2	* Copyright 2005-2010 Analog Devices Inc.
	3	*
de450838	4	* Licensed under the Clear BSD license or the GPL-2 (or later)
479ba603 RG	5	*/
	6
	7	#include <linux/linkage.h>
	8
	9	/* void strcpy(char dest, const char *src);
	10	* R0 = address (dest)
	11	* R1 = address (src)
	12	*
	13	* Returns a pointer to the destination string dest
	14	*/
	15
	16	#ifdef CONFIG_STRCPY_L1
	17	.section .l1.text
	18	#else
	19	.text
	20	#endif
	21
	22	.align 2
	23
	24	ENTRY(_strcpy)
	25	P0 = R0 ; /* dst*/
	26	P1 = R1 ; /* src*/
	27
	28	1:
	29	R1 = B [P1++] (Z);
	30	B [P0++] = R1;
	31	CC = R1;
	32	if cc jump 1b (bp);
	33	RTS;
	34
	35	ENDPROC(_strcpy)