109 lines
3.6 KiB
C
109 lines
3.6 KiB
C
/*-
|
|
* Copyright (c) 1998 Michael Smith <msmith@freebsd.org>
|
|
* All rights reserved.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions
|
|
* are met:
|
|
* 1. Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer.
|
|
* 2. Redistributions in binary form must reproduce the above copyright
|
|
* notice, this list of conditions and the following disclaimer in the
|
|
* documentation and/or other materials provided with the distribution.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
|
|
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
|
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
|
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
|
|
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
|
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
|
|
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
|
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
|
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
|
|
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
|
* SUCH DAMAGE.
|
|
*
|
|
* $FreeBSD$
|
|
*/
|
|
|
|
|
|
/*
|
|
* i386 fully-qualified device descriptor.
|
|
* Note, this must match the 'struct devdesc' declaration
|
|
* in bootstrap.h.
|
|
*/
|
|
struct i386_devdesc
|
|
{
|
|
struct devsw *d_dev;
|
|
int d_type;
|
|
union
|
|
{
|
|
struct
|
|
{
|
|
int unit;
|
|
int slice;
|
|
int partition;
|
|
void *data;
|
|
} biosdisk;
|
|
struct
|
|
{
|
|
int unit;
|
|
void *data;
|
|
} bioscd;
|
|
struct
|
|
{
|
|
int unit; /* XXX net layer lives over these? */
|
|
} netif;
|
|
} d_kind;
|
|
};
|
|
|
|
int i386_getdev(void **vdev, const char *devspec, const char **path);
|
|
char *i386_fmtdev(void *vdev);
|
|
int i386_setcurrdev(struct env_var *ev, int flags, void *value);
|
|
|
|
extern struct devdesc currdev; /* our current device */
|
|
|
|
#define MAXDEV 31 /* maximum number of distinct devices */
|
|
|
|
/* exported devices XXX rename? */
|
|
extern struct devsw bioscd;
|
|
extern struct devsw biosdisk;
|
|
extern struct devsw pxedisk;
|
|
extern struct fs_ops pxe_fsops;
|
|
|
|
int bc_add(int biosdev); /* Register CD booted from. */
|
|
int bc_getdev(struct i386_devdesc *dev); /* return dev_t for (dev) */
|
|
int bc_bios2unit(int biosdev); /* xlate BIOS device -> bioscd unit */
|
|
int bc_unit2bios(int unit); /* xlate bioscd unit -> BIOS device */
|
|
u_int32_t bd_getbigeom(int bunit); /* return geometry in bootinfo format */
|
|
int bd_bios2unit(int biosdev); /* xlate BIOS device -> biosdisk unit */
|
|
int bd_unit2bios(int unit); /* xlate biosdisk unit -> BIOS device */
|
|
int bd_getdev(struct i386_devdesc *dev); /* return dev_t for (dev) */
|
|
|
|
ssize_t i386_copyin(const void *src, vm_offset_t dest, const size_t len);
|
|
ssize_t i386_copyout(const vm_offset_t src, void *dest, const size_t len);
|
|
ssize_t i386_readin(const int fd, vm_offset_t dest, const size_t len);
|
|
|
|
struct preloaded_file;
|
|
void bios_addsmapdata(struct preloaded_file *);
|
|
void bios_getsmap(void);
|
|
|
|
void bios_getmem(void);
|
|
extern u_int32_t bios_basemem; /* base memory in bytes */
|
|
extern u_int32_t bios_extmem; /* extended memory in bytes */
|
|
extern vm_offset_t memtop;
|
|
|
|
void biosacpi_detect();
|
|
|
|
void gateA20(void);
|
|
|
|
int i386_autoload(void);
|
|
|
|
int bi_getboothowto(char *kargs);
|
|
vm_offset_t bi_copyenv(vm_offset_t addr);
|
|
int bi_load32(char *args, int *howtop, int *bootdevp, vm_offset_t *bip,
|
|
vm_offset_t *modulep, vm_offset_t *kernend);
|
|
int bi_load64(char *args, vm_offset_t *modulep, vm_offset_t *kernend);
|
|
|
|
void pxe_enable(void *pxeinfo);
|