3a19b480c8
This loader is quite functional and can load and run kernels. The kernels don't quite work right after loading but that should be easily fixable.
91 lines
2.9 KiB
C
91 lines
2.9 KiB
C
/*-
|
|
* Copyright (c) 2001 Doug Rabson
|
|
* 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.
|
|
*
|
|
* $FreeBSD$
|
|
*/
|
|
|
|
/*
|
|
* SKI fully-qualified device descriptor
|
|
*/
|
|
struct ski_devdesc {
|
|
struct devsw *d_dev;
|
|
int d_type;
|
|
#define DEVT_NONE 0
|
|
#define DEVT_DISK 1
|
|
#define DEVT_NET 2
|
|
union {
|
|
struct {
|
|
int unit;
|
|
int slice;
|
|
int partition;
|
|
} skidisk;
|
|
struct {
|
|
int unit; /* XXX net layer lives over these? */
|
|
} netif;
|
|
} d_kind;
|
|
};
|
|
|
|
extern int ski_getdev(void **vdev, const char *devspec, const char **path);
|
|
extern char *ski_fmtdev(void *vdev);
|
|
extern int ski_setcurrdev(struct env_var *ev, int flags, void *value);
|
|
|
|
#define MAXDEV 31 /* maximum number of distinct devices */
|
|
|
|
typedef unsigned long physaddr_t;
|
|
|
|
/* exported devices XXX rename? */
|
|
extern struct devsw skifs_dev;
|
|
extern struct devsw ski_disk;
|
|
extern struct netif_driver ski_net;
|
|
|
|
/* Wrapper over SKI filesystems. */
|
|
extern struct fs_ops ski_fsops;
|
|
|
|
/* this is in startup code */
|
|
extern void delay(int);
|
|
extern void reboot(void);
|
|
|
|
extern ssize_t ski_copyin(const void *src, vm_offset_t dest, size_t len);
|
|
extern ssize_t ski_copyout(const vm_offset_t src, void *dest, size_t len);
|
|
extern ssize_t ski_readin(int fd, vm_offset_t dest, size_t len);
|
|
|
|
extern int ski_boot(void);
|
|
extern int ski_autoload(void);
|
|
|
|
#define SSC_CONSOLE_INIT 20
|
|
#define SSC_GETCHAR 21
|
|
#define SSC_PUTCHAR 31
|
|
#define SSC_OPEN 50
|
|
#define SSC_CLOSE 51
|
|
#define SSC_READ 52
|
|
#define SSC_WRITE 53
|
|
#define SSC_GET_COMPLETION 54
|
|
#define SSC_WAIT_COMPLETION 55
|
|
#define SSC_EXIT 66
|
|
#define SSC_LOAD_SYMBOLS 69
|
|
|
|
u_int64_t ssc(u_int64_t in0, u_int64_t in1, u_int64_t in2, u_int64_t in3,
|
|
int which);
|