xref: /dragonfly/test/nvmm/demo/toyvirt/common.h (revision 8368e25f)
1 /*	$NetBSD: toyvirt.h,v 1.1 2018/09/12 00:00:00 maxv Exp $	*/
2 
3 /*
4  * Copyright (c) 2018-2019 The NetBSD Foundation, Inc.
5  * All rights reserved.
6  *
7  * This code is derived from software contributed to The NetBSD Foundation
8  * by Maxime Villard.
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 /*
33  * Shared stuff within toyvirt.
34  */
35 
36 #define PAGE_SIZE	4096
37 #define rounddown(x,y)	(((x)/(y))*(y))
38 #define roundup(x, y)	((((x)+((y)-1))/(y))*(y))
39 
40 /* main.c */
41 uintptr_t toyvirt_mem_add(struct nvmm_machine *, gpaddr_t, size_t);
42 
43 /* toydev.c */
44 void toydev_mmio(gpaddr_t, bool, uint8_t *, size_t);
45 void toydev_io(int, bool, uint8_t *, size_t);
46 
47 /* elf.c */
48 int elf_map(struct nvmm_machine *, const char *, uint64_t *);
49