xref: /linux/arch/riscv/kernel/vdso/getcpu.S (revision d30c1683aaecb93d2ab95685dc4300a33d3cea7a)
1/* SPDX-License-Identifier: GPL-2.0-only */
2/*
3 * Copyright (C) 2017 SiFive
4 */
5
6#include <linux/linkage.h>
7#include <asm/unistd.h>
8#include <asm/assembler.h>
9
10	.text
11/* int __vdso_getcpu(unsigned *cpu, unsigned *node, void *unused); */
12SYM_FUNC_START(__vdso_getcpu)
13	.cfi_startproc
14	vdso_lpad
15	/* For now, just do the syscall. */
16	li a7, __NR_getcpu
17	ecall
18	ret
19	.cfi_endproc
20SYM_FUNC_END(__vdso_getcpu)
21
22emit_riscv_feature_1_and
23