cpufunc.h revision 1.1 1 /* $NetBSD: cpufunc.h,v 1.1 2023/05/07 12:41:48 skrll Exp $ */
2
3 /*-
4 * Copyright (c) 2023 The NetBSD Foundation, Inc.
5 * All rights reserved.
6 *
7 * This code is derived from software contributed to The NetBSD Foundation
8 * by Nick Hudson
9 *
10 * Redistribution and use in source and binary forms, with or without
11 * modification, are permitted provided that the following conditions
12 * are met:
13 * 1. Redistributions of source code must retain the above copyright
14 * notice, this list of conditions and the following disclaimer.
15 * 2. Redistributions in binary form must reproduce the above copyright
16 * notice, this list of conditions and the following disclaimer in the
17 * documentation and/or other materials provided with the distribution.
18 *
19 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
20 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
21 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
22 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
23 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
24 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
25 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
26 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
27 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
28 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
29 * POSSIBILITY OF SUCH DAMAGE.
30 */
31
32 #ifndef _RISCV_CPUFUNC_H_
33 #define _RISCV_CPUFUNC_H_
34
35 #ifdef _KERNEL
36
37 #include <sys/cdefs.h>
38 __KERNEL_RCSID(0, "$NetBSD: cpufunc.h,v 1.1 2023/05/07 12:41:48 skrll Exp $");
39
40 #include <sys/param.h>
41
42 #include <sys/bus.h>
43 #include <sys/cpu.h>
44
45 /* cache op */
46 #define cpu_dcache_wbinv_all() __nothing
47 #define cpu_dcache_inv_all() __nothing
48 #define cpu_dcache_wb_all() __nothing
49 #define cpu_idcache_wbinv_all() __nothing
50 #define cpu_icache_sync_all() __nothing
51 #define cpu_icache_inv_all() __nothing
52
53 #define cpu_dcache_wbinv_range(v,s) __nothing
54 #define cpu_dcache_inv_range(v,s) __nothing
55 #define cpu_dcache_wb_range(v,s) __nothing
56 #define cpu_idcache_wbinv_range(v,s) __nothing
57 #define cpu_icache_sync_range(v,s) __nothing
58
59 extern void (*cpu_sdcache_wbinv_range)(vaddr_t, paddr_t, psize_t);
60 extern void (*cpu_sdcache_inv_range)(vaddr_t, paddr_t, psize_t);
61 extern void (*cpu_sdcache_wb_range)(vaddr_t, paddr_t, psize_t);
62
63 extern u_int riscv_dcache_align;
64 extern u_int riscv_dcache_align_mask;
65
66 #endif /* _KERNEL */
67
68 #endif /* _RISCV_CPUFUNC_H_ */
69