1 /* $NetBSD: cpufunc.c,v 1.1 2019/01/21 00:30:14 alnsn Exp $ */
2
3 /*-
4 * Copyright (c) 2019 Alexander Nasonov.
5 * All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in the
14 * documentation and/or other materials provided with the distribution.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS
17 * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
18 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
19 * DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
20 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
22 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26 * SUCH DAMAGE.
27 */
28
29 #include <sys/cdefs.h>
30 __KERNEL_RCSID(0, "$NetBSD: cpufunc.c,v 1.1 2019/01/21 00:30:14 alnsn Exp $");
31
32 /*
33 * Barebone implementation of arm cpufunc routines for rump.
34 */
35
36 #include <machine/types.h>
37 #include <sys/types.h>
38
39 #include "sljit_rump.h"
40
41 void aarch64_icache_sync_range(vaddr_t, vsize_t);
42
43 void
aarch64_icache_sync_range(vaddr_t va,vsize_t sz)44 aarch64_icache_sync_range(vaddr_t va, vsize_t sz)
45 {
46
47 // XXX MIPS and 32-bit ARM make this call:
48 // (void)rumpcomp_sync_icache((void *)va, (uint64_t)sz);
49 // but it doesn't link. Fix Makefiles to make it link.
50 __builtin___clear_cache((void *)va, (char *)va + sz);
51 }
52