original_kernel/arch/riscv/kernel/vdso/flush_icache.S

23 lines
410 B
ArmAsm

/* SPDX-License-Identifier: GPL-2.0-only */
/*
* Copyright (C) 2017 SiFive
*/
#include <linux/linkage.h>
#include <asm/unistd.h>
.text
/* int __vdso_flush_icache(void *start, void *end, unsigned long flags); */
SYM_FUNC_START(__vdso_flush_icache)
.cfi_startproc
#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)