linux-zen-server/tools/testing/selftests/powerpc/copyloops/copy_tofrom_user_reference.S

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ArmAsm
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2023-08-30 17:53:23 +02:00
#include <asm/ppc_asm.h>
_GLOBAL(copy_tofrom_user_reference)
cmpdi r5,0
beq 4f
mtctr r5
1: lbz r6,0(r4)
2: stb r6,0(r3)
addi r3,r3,1
addi r4,r4,1
bdnz 1b
3: mfctr r3
blr
4: mr r3,r5
blr
.section __ex_table,"a"
.llong 1b,3b
.llong 2b,3b
.text