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/*
* arch/arm64/syscall.S
*
* System call common handling - if the return
* value from the system call is negative, then
* extract the magnitude and return it as errno and
* return -1, if the return value is 0 that is
* success case.
*/
.type __syscall_common,#function
.globl __syscall_common
.balign 8
__syscall_common:
cmp x0, #0x0
b.ge 2f
neg x0, x0
ldr x8, 1f
str w0, [x8]
mov x0, #-1
2:
ret
1:
.dword errno
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