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_flush_icache(void *start, void *end, unsigned long flags); */ 12SYM_FUNC_START(__vdso_flush_icache) 13 .cfi_startproc 14 vdso_lpad 15#ifdef CONFIG_SMP 16 li a7, __NR_riscv_flush_icache 17 ecall 18#else 19 fence.i 20 li a0, 0 21#endif 22 ret 23 .cfi_endproc 24SYM_FUNC_END(__vdso_flush_icache) 25 26emit_riscv_feature_1_and 27