1/*-
2 * Copyright (c) 1998 Michael Smith <msmith@freebsd.org>
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright

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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
24 * SUCH DAMAGE.
25 *
26 * $Id: bootstrap.h,v 1.3 1998/09/03 02:10:07 msmith Exp $
27 */
28
29#include <sys/types.h>
30
31/* XXX debugging */
32extern struct console vidconsole;
33#define MARK(s, c) {vidconsole.c_out(s); vidconsole.c_out(c); while (!vidconsole.c_ready()) ; vidconsole.c_in();}
34

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52extern char command_errbuf[]; /* XXX blah, length */
53#define CMD_OK 0
54#define CMD_ERROR 1
55
56/* interp.c */
57extern void interact(void);
58extern void source(char *filename);
59
60/* boot.c */
61extern int autoboot(int delay, char *prompt);
62
63/* misc.c */
64extern char *unargv(int argc, char *argv[]);
65extern size_t strlenout(vm_offset_t str);
66extern char *strdupout(vm_offset_t str);
67

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84 int (* c_ready)(void); /* return nonzer if input waiting */
85};
86extern struct console *consoles[];
87extern void cons_probe(void);
88
89/*
90 * Plug-and-play enumerator/configurator interface.
91 */
92struct pnpinfo
93{
94 char *pi_ident; /* ASCII identifier, actual format varies with bus/handler */
95 int pi_revision; /* optional revision (or -1) if not supported */
96 char *pi_module; /* module/args nominated to handle device */
97 int pi_argc; /* module arguments */
98 char **pi_argv;
99 int pi_handler; /* handler which detected this device */
100 struct pnpinfo *pi_next;
101}
102
103struct pnphandler
104{
105 char *pp_name; /* handler/bus name */
106 struct pnpinfo *(pp_enumerate *)(int index); /* return a string identifying device (index) */
107};
108
109extern struct pnphandler *pnphandlers[]; /* provided by MD code */
110
111
112/*
113 * Module metadata header.
114 *
115 * Metadata are allocated on our heap, and copied into kernel space
116 * before executing the kernel.
117 */
118struct module_metadata
119{

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153extern struct module_format *module_formats[]; /* supplied by consumer */
154extern struct loaded_module *loaded_modules;
155extern int mod_load(char *name, int argc, char *argv[]);
156extern int mod_loadobj(char *type, char *name);
157extern struct loaded_module *mod_findmodule(char *name, char *type);
158extern void mod_addmetadata(struct loaded_module *mp, int type, size_t size, void *p);
159extern struct module_metadata *mod_findmetadata(struct loaded_module *mp, int type);
160extern void mod_discard(struct loaded_module *mp);
161
162/*
163 * Module information subtypes
164 */
165/* XXX these belong in <machine/bootinfo.h> */
166#define MODINFO_NAME 0x0000
167#define MODINFO_TYPE 0x0001
168#define MODINFO_ADDR 0x0002
169#define MODINFO_SIZE 0x0003
170#define MODINFO_METADATA 0x8000
171
172#define MODINFOMD_AOUTEXEC 0x0001 /* a.out exec header */
173#define MODINFOMD_ELFHDR 0x0002 /* ELF header */
174#define MODINFOMD_NOCOPY 0x8000 /* don't copy this metadata to the kernel */
175
176/* MI module loaders */
177extern int aout_loadmodule(char *filename, vm_offset_t dest, struct loaded_module **result);
178extern vm_offset_t aout_findsym(char *name, struct loaded_module *mp);
179
180/* extern int elf_loadmodule(char *filename, vm_offset_t dest, struct loaded_module **result); */
181
182#define KLD_IDENT_SYMNAME "kld_identifier_"
183#define MODINFOMD_KLDIDENT (MODINFOMD_NOCOPY | 0x4000)
184#define MODINFOMD_KLDDEP (MODINFOMD_NOCOPY | 0x4001)
185
186#if defined(__ELF__)
187
188/*
189 * Alpha GAS needs an align before the section change. It seems to assume
190 * that after the .previous, it is aligned, so the following .align 3 is
191 * ignored. Since the previous instructions often contain strings, this is
192 * a problem.
193 */

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263 /* Locate the device for (name), return pointer to tail in (*path) */
264 int (*arch_getdev)(void **dev, char *name, char **path);
265 /* Copy from local address space to module address space, similar to bcopy() */
266 int (*arch_copyin)(void *src, vm_offset_t dest, size_t len);
267 /* Copy to local address space from module address space, similar to bcopy() */
268 int (*arch_copyout)(vm_offset_t src, void *dest, size_t len);
269 /* Read from file to module address space, same semantics as read() */
270 int (*arch_readin)(int fd, vm_offset_t dest, size_t len);
271};
272extern struct arch_switch archsw;
273
274/*
275 * XXX these belong in a system header
276 */
277#define KLD_NAMELEN 32
278
279struct kld_module_dependancy
280{
281 char kd_name[KLD_NAMELEN];

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