copy_tofrom_user_reference.S

 1#include <asm/ppc_asm.h>
 2
 3_GLOBAL(copy_tofrom_user_reference)
 4	cmpdi	r5,0
 5	beq	4f
 6
 7	mtctr	r5
 8
 91:	lbz	r6,0(r4)
102:	stb	r6,0(r3)
11	addi	r3,r3,1
12	addi	r4,r4,1
13	bdnz	1b
14
153:	mfctr	r3
16	blr
17
184:	mr	r3,r5
19	blr
20
21.section __ex_table,"a"
22	.llong	1b,3b
23	.llong	2b,3b
24.text