| /* 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); */ | |
| ENTRY(__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 | |
| ENDPROC(__vdso_flush_icache) |