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 9 .text 10/* int __vdso_flush_icache(void *start, void *end, unsigned long flags); */ 11ENTRY(__vdso_flush_icache) 12 .cfi_startproc 13#ifdef CONFIG_SMP 14 li a7, __NR_riscv_flush_icache 15 ecall 16#else 17 fence.i 18 li a0, 0 19#endif 20 ret 21 .cfi_endproc 22ENDPROC(__vdso_flush_icache) 23