28 lines
354 B
ArmAsm
28 lines
354 B
ArmAsm
|
.equ SYS_EXIT,93
|
||
|
|
.data
|
||
|
|
int1: .word 0xa2
|
||
|
|
int2: .word 0xb
|
||
|
|
.text
|
||
|
|
.globl _start
|
||
|
|
_start:
|
||
|
|
adr x3,int1
|
||
|
|
ldr w4,[x3]
|
||
|
|
uxtw x1,w4 // int1 is in x1
|
||
|
|
adr x3,int2
|
||
|
|
ldr w5,[x3]
|
||
|
|
uxtw x2,w5 // int2 is in x2
|
||
|
|
mov x0,#0 // result is in x0
|
||
|
|
|
||
|
|
loop: cbz x2,exit
|
||
|
|
tbz x2,next
|
||
|
|
add x0,x0,x1
|
||
|
|
next:
|
||
|
|
lsl x1,x1,#1
|
||
|
|
lsr x2,x2,#1
|
||
|
|
b loop
|
||
|
|
|
||
|
|
exit: mov x0,#0
|
||
|
|
mov w8,#SYS_EXIT
|
||
|
|
svc #0x0
|
||
|
|
.end
|