2 * Copyright (c) 2011 Google, Inc.
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
32 extern struct loader_callbacks *callbacks;
33 extern void *callbacks_arg;
35 #define CALLBACK(fn, args...) (callbacks->fn(callbacks_arg , ##args))
37 #define MAXDEV 31 /* maximum number of distinct devices */
39 typedef unsigned long physaddr_t;
41 /* exported devices */
42 extern struct devsw userboot_disk;
43 extern int userboot_disk_maxunit;
44 extern struct devsw host_dev;
46 /* access to host filesystem */
47 extern struct fs_ops host_fsops;
50 struct preloaded_file;
51 extern int bi_load(struct bootinfo *, struct preloaded_file *);
53 extern void delay(int);
55 extern int userboot_autoload(void);
56 extern ssize_t userboot_copyin(const void *, vm_offset_t, size_t);
57 extern ssize_t userboot_copyout(vm_offset_t, void *, size_t);
58 extern ssize_t userboot_readin(readin_handle_t, vm_offset_t, size_t);
59 extern int userboot_getdev(void **, const char *, const char **);
60 char *userboot_fmtdev(void *vdev);
61 int userboot_setcurrdev(struct env_var *ev, int flags, const void *value);
63 int bi_getboothowto(char *kargs);
64 void bi_setboothowto(int howto);
65 vm_offset_t bi_copyenv(vm_offset_t addr);
66 int bi_load32(char *args, int *howtop, int *bootdevp, vm_offset_t *bip,
67 vm_offset_t *modulep, vm_offset_t *kernend);
68 int bi_load64(char *args, vm_offset_t *modulep, vm_offset_t *kernend);
69 void bios_addsmapdata(struct preloaded_file *kfp);