2 * Copyright (c) 1998 Michael Smith <msmith@freebsd.org>
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
26 * $FreeBSD: src/sys/boot/i386/libi386/libi386.h,v 1.16 2003/05/01 03:56:29 peter Exp $
27 * $DragonFly: src/sys/boot/i386/libi386/Attic/libi386.h,v 1.4 2004/09/09 03:47:08 joerg Exp $
32 * i386 fully-qualified device descriptor.
33 * Note, this must match the 'struct devdesc' declaration
56 int unit; /* XXX net layer lives over these? */
61 int i386_getdev(void **vdev, const char *devspec, const char **path);
62 char *i386_fmtdev(void *vdev);
63 int i386_setcurrdev(struct env_var *ev, int flags, void *value);
65 extern struct devdesc currdev; /* our current device */
67 #define MAXDEV 31 /* maximum number of distinct devices */
69 /* exported devices XXX rename? */
70 extern struct devsw bioscd;
71 extern struct devsw biosdisk;
72 extern struct devsw pxedisk;
73 extern struct fs_ops pxe_fsops;
75 int bc_add(int biosdev); /* Register CD booted from. */
76 int bc_getdev(struct i386_devdesc *dev); /* return dev_t for (dev) */
77 int bc_bios2unit(int biosdev); /* xlate BIOS device -> bioscd unit */
78 int bc_unit2bios(int unit); /* xlate bioscd unit -> BIOS device */
79 u_int32_t bd_getbigeom(int bunit); /* return geometry in bootinfo format */
80 int bd_bios2unit(int biosdev); /* xlate BIOS device -> biosdisk unit */
81 int bd_unit2bios(int unit); /* xlate biosdisk unit -> BIOS device */
82 int bd_getdev(struct i386_devdesc *dev); /* return dev_t for (dev) */
84 ssize_t i386_copyin(const void *src, vm_offset_t dest, const size_t len);
85 ssize_t i386_copyout(const vm_offset_t src, void *dest, const size_t len);
86 ssize_t i386_readin(const int fd, vm_offset_t dest, const size_t len);
88 struct preloaded_file;
89 void bios_addsmapdata(struct preloaded_file *);
90 void bios_getsmap(void);
92 void bios_getmem(void);
93 extern u_int32_t bios_basemem; /* base memory in bytes */
94 extern u_int32_t bios_extmem; /* extended memory in bytes */
95 extern vm_offset_t memtop;
97 void biosacpi_detect(void);
101 int i386_autoload(void);
103 int bi_getboothowto(char *kargs);
104 vm_offset_t bi_copyenv(vm_offset_t addr);
105 int bi_load32(char *args, int *howtop, int *bootdevp, vm_offset_t *bip,
106 vm_offset_t *modulep, vm_offset_t *kernend);
107 int bi_load64(char *args, vm_offset_t *modulep, vm_offset_t *kernend);
109 void pxe_enable(void *pxeinfo);