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 1.4 1998/09/04 02:43:26 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/* interp_parse.c */
61extern int parse(int *argc, char ***argv, char *str);
62
63/* boot.c */
64extern int autoboot(int delay, char *prompt);
65
66/* misc.c */
67extern char *unargv(int argc, char *argv[]);
68extern size_t strlenout(vm_offset_t str);
69extern char *strdupout(vm_offset_t str);
70

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87 int (* c_ready)(void); /* return nonzer if input waiting */
88};
89extern struct console *consoles[];
90extern void cons_probe(void);
91
92/*
93 * Plug-and-play enumerator/configurator interface.
94 */
95struct pnpident
96{
97 char *id_ident; /* ASCII identifier, actual format varies with bus/handler */
98 struct pnpident *id_next; /* the next identifier */
99};
100
101struct pnphandler;
102struct pnpinfo
103{
104 struct pnpident *pi_ident; /* list of identifiers */
105 int pi_revision; /* optional revision (or -1) if not supported */
106 char *pi_module; /* module/args nominated to handle device */
107 int pi_argc; /* module arguments */
108 char **pi_argv;
109 struct pnphandler *pi_handler; /* handler which detected this device */
110 struct pnpinfo *pi_next;
111};
112
113struct pnphandler
114{
115 char *pp_name; /* handler/bus name */
116 void (* pp_enumerate)(struct pnpinfo **); /* add detected devices to chain */
117};
118
119extern struct pnphandler *pnphandlers[]; /* provided by MD code */
120
121extern void pnp_addident(struct pnpinfo *pi, char *ident);
122
123/*
124 * Module metadata header.
125 *
126 * Metadata are allocated on our heap, and copied into kernel space
127 * before executing the kernel.
128 */
129struct module_metadata
130{

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164extern struct module_format *module_formats[]; /* supplied by consumer */
165extern struct loaded_module *loaded_modules;
166extern int mod_load(char *name, int argc, char *argv[]);
167extern int mod_loadobj(char *type, char *name);
168extern struct loaded_module *mod_findmodule(char *name, char *type);
169extern void mod_addmetadata(struct loaded_module *mp, int type, size_t size, void *p);
170extern struct module_metadata *mod_findmetadata(struct loaded_module *mp, int type);
171extern void mod_discard(struct loaded_module *mp);
172extern struct loaded_module *mod_allocmodule(void);
173
174
175/* MI module loaders */
176extern int aout_loadmodule(char *filename, vm_offset_t dest, struct loaded_module **result);
177extern vm_offset_t aout_findsym(char *name, struct loaded_module *mp);
178
179/* extern int elf_loadmodule(char *filename, vm_offset_t dest, struct loaded_module **result); */
180
181/*
182 * Module information subtypes
183 *
184 * XXX these are copies of the defines in <sys/linker.h>, and should be nuked
185 * XXX before being committed.
186 */
187#define MODINFO_NAME 0x0000
188#define MODINFO_TYPE 0x0001
189#define MODINFO_ADDR 0x0002
190#define MODINFO_SIZE 0x0003
191#define MODINFO_METADATA 0x8000
192
193#define MODINFOMD_AOUTEXEC 0x0001 /* a.out exec header */
194#define MODINFOMD_ELFHDR 0x0002 /* ELF header */
195#define MODINFOMD_NOCOPY 0x8000 /* don't copy this metadata to the kernel */
196
197#define KLD_IDENT_SYMNAME "kld_identifier_"
198#define MODINFOMD_KLDIDENT (MODINFOMD_NOCOPY | 0x4000)
199#define MODINFOMD_KLDDEP (MODINFOMD_NOCOPY | 0x4001)
200
201
202
203#if defined(__ELF__)
204
205/*
206 * Alpha GAS needs an align before the section change. It seems to assume
207 * that after the .previous, it is aligned, so the following .align 3 is
208 * ignored. Since the previous instructions often contain strings, this is
209 * a problem.
210 */

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280 /* Locate the device for (name), return pointer to tail in (*path) */
281 int (*arch_getdev)(void **dev, char *name, char **path);
282 /* Copy from local address space to module address space, similar to bcopy() */
283 int (*arch_copyin)(void *src, vm_offset_t dest, size_t len);
284 /* Copy to local address space from module address space, similar to bcopy() */
285 int (*arch_copyout)(vm_offset_t src, void *dest, size_t len);
286 /* Read from file to module address space, same semantics as read() */
287 int (*arch_readin)(int fd, vm_offset_t dest, size_t len);
288 /* Perform ISA byte port I/O (only for systems with ISA) */
289 int (*arch_isainb)(int port);
290 void (*arch_isaoutb)(int port, int value);
291};
292extern struct arch_switch archsw;
293
294/* This must be provided by the MD code, but should it be in the archsw? */
295extern void delay(int delay);
296
297/*
298 * XXX these belong in a system header
299 */
300#define KLD_NAMELEN 32
301
302struct kld_module_dependancy
303{
304 char kd_name[KLD_NAMELEN];

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