root/arch/riscv/kernel/vdso/flush_icache.S
/* SPDX-License-Identifier: GPL-2.0-only */
/*
 * Copyright (C) 2017 SiFive
 */

#include <linux/linkage.h>
#include <asm/unistd.h>
#include <asm/assembler.h>

        .text
/* int __vdso_flush_icache(void *start, void *end, unsigned long flags); */
SYM_FUNC_START(__vdso_flush_icache)
        .cfi_startproc
        vdso_lpad
#ifdef CONFIG_SMP
        li a7, __NR_riscv_flush_icache
        ecall
#else
        fence.i
        li a0, 0
#endif
        ret
        .cfi_endproc
SYM_FUNC_END(__vdso_flush_icache)

emit_riscv_feature_1_and