xref: /linux/arch/riscv/kernel/vdso/getcpu.S (revision 18f90d372cf35b387663f1567de701e5393f6eb5)
1/*
2 * Copyright (C) 2017 SiFive
3 *
4 *   This program is free software; you can redistribute it and/or
5 *   modify it under the terms of the GNU General Public License
6 *   as published by the Free Software Foundation, version 2.
7 *
8 *   This program is distributed in the hope that it will be useful,
9 *   but WITHOUT ANY WARRANTY; without even the implied warranty of
10 *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
11 *   GNU General Public License for more details.
12 */
13
14#include <linux/linkage.h>
15#include <asm/unistd.h>
16
17	.text
18/* int __vdso_getcpu(unsigned *cpu, unsigned *node, void *unused); */
19ENTRY(__vdso_getcpu)
20	.cfi_startproc
21	/* For now, just do the syscall. */
22	li a7, __NR_getcpu
23	ecall
24	ret
25	.cfi_endproc
26ENDPROC(__vdso_getcpu)
27