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
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.
13 *
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
24 * SUCH DAMAGE.
25 *
| 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
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.
13 *
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
24 * SUCH DAMAGE.
25 *
|
26 * $FreeBSD: head/sys/boot/i386/libi386/bootinfo32.c 59087 2000-04-08 01:22:14Z ps $
| 26 * $FreeBSD: head/sys/boot/i386/libi386/bootinfo32.c 59854 2000-05-01 17:41:25Z bp $
|
27 */
28
29#include <stand.h>
30#include <sys/param.h>
31#include <sys/reboot.h>
32#include <sys/linker.h>
33#include <machine/bootinfo.h>
34#include "bootstrap.h"
35#include "libi386.h"
36#include "btxv86.h"
37
38static struct bootinfo bi;
39
40/*
41 * Return a 'boothowto' value corresponding to the kernel arguments in
42 * (kargs) and any relevant environment variables.
43 */
44static struct
45{
46 char *ev;
47 int mask;
48} howto_names[] = {
49 {"boot_askname", RB_ASKNAME},
50 {"boot_cdrom", RB_CDROM},
51 {"boot_userconfig", RB_CONFIG},
52 {"boot_ddb", RB_KDB},
53 {"boot_gdb", RB_GDB},
54 {"boot_single", RB_SINGLE},
55 {"boot_verbose", RB_VERBOSE},
56 {NULL, 0}
57};
58
59int
60bi_getboothowto(char *kargs)
61{
62 char *cp;
63 int howto;
64 int active;
65 int i;
66
67 /* Parse kargs */
68 howto = 0;
69 if (kargs != NULL) {
70 cp = kargs;
71 active = 0;
72 while (*cp != 0) {
73 if (!active && (*cp == '-')) {
74 active = 1;
75 } else if (active)
76 switch (*cp) {
77 case 'a':
78 howto |= RB_ASKNAME;
79 break;
80 case 'c':
81 howto |= RB_CONFIG;
82 break;
83 case 'C':
84 howto |= RB_CDROM;
85 break;
86 case 'd':
87 howto |= RB_KDB;
88 break;
89 case 'g':
90 howto |= RB_GDB;
91 break;
92 case 'h':
93 howto |= RB_SERIAL;
94 break;
95 case 'r':
96 howto |= RB_DFLTROOT;
97 break;
98 case 's':
99 howto |= RB_SINGLE;
100 break;
101 case 'v':
102 howto |= RB_VERBOSE;
103 break;
104 default:
105 active = 0;
106 break;
107 }
108 cp++;
109 }
110 }
111 /* get equivalents from the environment */
112 for (i = 0; howto_names[i].ev != NULL; i++)
113 if (getenv(howto_names[i].ev) != NULL)
114 howto |= howto_names[i].mask;
115 if (!strcmp(getenv("console"), "comconsole"))
116 howto |= RB_SERIAL;
117 return(howto);
118}
119
120/*
121 * Copy the environment into the load area starting at (addr).
122 * Each variable is formatted as <name>=<value>, with a single nul
123 * separating each variable, and a double nul terminating the environment.
124 */
125vm_offset_t
126bi_copyenv(vm_offset_t addr)
127{
128 struct env_var *ep;
129
130 /* traverse the environment */
131 for (ep = environ; ep != NULL; ep = ep->ev_next) {
132 i386_copyin(ep->ev_name, addr, strlen(ep->ev_name));
133 addr += strlen(ep->ev_name);
134 i386_copyin("=", addr, 1);
135 addr++;
136 if (ep->ev_value != NULL) {
137 i386_copyin(ep->ev_value, addr, strlen(ep->ev_value));
138 addr += strlen(ep->ev_value);
139 }
140 i386_copyin("", addr, 1);
141 addr++;
142 }
143 i386_copyin("", addr, 1);
144 addr++;
145 return(addr);
146}
147
148/*
149 * Copy module-related data into the load area, where it can be
150 * used as a directory for loaded modules.
151 *
152 * Module data is presented in a self-describing format. Each datum
153 * is preceeded by a 32-bit identifier and a 32-bit size field.
154 *
155 * Currently, the following data are saved:
156 *
157 * MOD_NAME (variable) module name (string)
158 * MOD_TYPE (variable) module type (string)
159 * MOD_ARGS (variable) module parameters (string)
160 * MOD_ADDR sizeof(vm_offset_t) module load address
161 * MOD_SIZE sizeof(size_t) module size
162 * MOD_METADATA (variable) type-specific metadata
163 */
164#define COPY32(v, a) { \
165 u_int32_t x = (v); \
166 i386_copyin(&x, a, sizeof(x)); \
167 a += sizeof(x); \
168}
169
170#define MOD_STR(t, a, s) { \
171 COPY32(t, a); \
172 COPY32(strlen(s) + 1, a); \
173 i386_copyin(s, a, strlen(s) + 1); \
174 a += roundup(strlen(s) + 1, sizeof(u_long));\
175}
176
177#define MOD_NAME(a, s) MOD_STR(MODINFO_NAME, a, s)
178#define MOD_TYPE(a, s) MOD_STR(MODINFO_TYPE, a, s)
179#define MOD_ARGS(a, s) MOD_STR(MODINFO_ARGS, a, s)
180
181#define MOD_VAR(t, a, s) { \
182 COPY32(t, a); \
183 COPY32(sizeof(s), a); \
184 i386_copyin(&s, a, sizeof(s)); \
185 a += roundup(sizeof(s), sizeof(u_long)); \
186}
187
188#define MOD_ADDR(a, s) MOD_VAR(MODINFO_ADDR, a, s)
189#define MOD_SIZE(a, s) MOD_VAR(MODINFO_SIZE, a, s)
190
191#define MOD_METADATA(a, mm) { \
192 COPY32(MODINFO_METADATA | mm->md_type, a); \
193 COPY32(mm->md_size, a); \
194 i386_copyin(mm->md_data, a, mm->md_size); \
195 a += roundup(mm->md_size, sizeof(u_long));\
196}
197
198#define MOD_END(a) { \
199 COPY32(MODINFO_END, a); \
200 COPY32(0, a); \
201}
202
203vm_offset_t
204bi_copymodules(vm_offset_t addr)
205{
| 27 */
28
29#include <stand.h>
30#include <sys/param.h>
31#include <sys/reboot.h>
32#include <sys/linker.h>
33#include <machine/bootinfo.h>
34#include "bootstrap.h"
35#include "libi386.h"
36#include "btxv86.h"
37
38static struct bootinfo bi;
39
40/*
41 * Return a 'boothowto' value corresponding to the kernel arguments in
42 * (kargs) and any relevant environment variables.
43 */
44static struct
45{
46 char *ev;
47 int mask;
48} howto_names[] = {
49 {"boot_askname", RB_ASKNAME},
50 {"boot_cdrom", RB_CDROM},
51 {"boot_userconfig", RB_CONFIG},
52 {"boot_ddb", RB_KDB},
53 {"boot_gdb", RB_GDB},
54 {"boot_single", RB_SINGLE},
55 {"boot_verbose", RB_VERBOSE},
56 {NULL, 0}
57};
58
59int
60bi_getboothowto(char *kargs)
61{
62 char *cp;
63 int howto;
64 int active;
65 int i;
66
67 /* Parse kargs */
68 howto = 0;
69 if (kargs != NULL) {
70 cp = kargs;
71 active = 0;
72 while (*cp != 0) {
73 if (!active && (*cp == '-')) {
74 active = 1;
75 } else if (active)
76 switch (*cp) {
77 case 'a':
78 howto |= RB_ASKNAME;
79 break;
80 case 'c':
81 howto |= RB_CONFIG;
82 break;
83 case 'C':
84 howto |= RB_CDROM;
85 break;
86 case 'd':
87 howto |= RB_KDB;
88 break;
89 case 'g':
90 howto |= RB_GDB;
91 break;
92 case 'h':
93 howto |= RB_SERIAL;
94 break;
95 case 'r':
96 howto |= RB_DFLTROOT;
97 break;
98 case 's':
99 howto |= RB_SINGLE;
100 break;
101 case 'v':
102 howto |= RB_VERBOSE;
103 break;
104 default:
105 active = 0;
106 break;
107 }
108 cp++;
109 }
110 }
111 /* get equivalents from the environment */
112 for (i = 0; howto_names[i].ev != NULL; i++)
113 if (getenv(howto_names[i].ev) != NULL)
114 howto |= howto_names[i].mask;
115 if (!strcmp(getenv("console"), "comconsole"))
116 howto |= RB_SERIAL;
117 return(howto);
118}
119
120/*
121 * Copy the environment into the load area starting at (addr).
122 * Each variable is formatted as <name>=<value>, with a single nul
123 * separating each variable, and a double nul terminating the environment.
124 */
125vm_offset_t
126bi_copyenv(vm_offset_t addr)
127{
128 struct env_var *ep;
129
130 /* traverse the environment */
131 for (ep = environ; ep != NULL; ep = ep->ev_next) {
132 i386_copyin(ep->ev_name, addr, strlen(ep->ev_name));
133 addr += strlen(ep->ev_name);
134 i386_copyin("=", addr, 1);
135 addr++;
136 if (ep->ev_value != NULL) {
137 i386_copyin(ep->ev_value, addr, strlen(ep->ev_value));
138 addr += strlen(ep->ev_value);
139 }
140 i386_copyin("", addr, 1);
141 addr++;
142 }
143 i386_copyin("", addr, 1);
144 addr++;
145 return(addr);
146}
147
148/*
149 * Copy module-related data into the load area, where it can be
150 * used as a directory for loaded modules.
151 *
152 * Module data is presented in a self-describing format. Each datum
153 * is preceeded by a 32-bit identifier and a 32-bit size field.
154 *
155 * Currently, the following data are saved:
156 *
157 * MOD_NAME (variable) module name (string)
158 * MOD_TYPE (variable) module type (string)
159 * MOD_ARGS (variable) module parameters (string)
160 * MOD_ADDR sizeof(vm_offset_t) module load address
161 * MOD_SIZE sizeof(size_t) module size
162 * MOD_METADATA (variable) type-specific metadata
163 */
164#define COPY32(v, a) { \
165 u_int32_t x = (v); \
166 i386_copyin(&x, a, sizeof(x)); \
167 a += sizeof(x); \
168}
169
170#define MOD_STR(t, a, s) { \
171 COPY32(t, a); \
172 COPY32(strlen(s) + 1, a); \
173 i386_copyin(s, a, strlen(s) + 1); \
174 a += roundup(strlen(s) + 1, sizeof(u_long));\
175}
176
177#define MOD_NAME(a, s) MOD_STR(MODINFO_NAME, a, s)
178#define MOD_TYPE(a, s) MOD_STR(MODINFO_TYPE, a, s)
179#define MOD_ARGS(a, s) MOD_STR(MODINFO_ARGS, a, s)
180
181#define MOD_VAR(t, a, s) { \
182 COPY32(t, a); \
183 COPY32(sizeof(s), a); \
184 i386_copyin(&s, a, sizeof(s)); \
185 a += roundup(sizeof(s), sizeof(u_long)); \
186}
187
188#define MOD_ADDR(a, s) MOD_VAR(MODINFO_ADDR, a, s)
189#define MOD_SIZE(a, s) MOD_VAR(MODINFO_SIZE, a, s)
190
191#define MOD_METADATA(a, mm) { \
192 COPY32(MODINFO_METADATA | mm->md_type, a); \
193 COPY32(mm->md_size, a); \
194 i386_copyin(mm->md_data, a, mm->md_size); \
195 a += roundup(mm->md_size, sizeof(u_long));\
196}
197
198#define MOD_END(a) { \
199 COPY32(MODINFO_END, a); \
200 COPY32(0, a); \
201}
202
203vm_offset_t
204bi_copymodules(vm_offset_t addr)
205{
|
206 struct loaded_module *mp;
207 struct module_metadata *md;
| 206 struct preloaded_file *fp;
207 struct file_metadata *md;
|
208
209 /* start with the first module on the list, should be the kernel */
| 208
209 /* start with the first module on the list, should be the kernel */
|
210 for (mp = mod_findmodule(NULL, NULL); mp != NULL; mp = mp->m_next) {
| 210 for (fp = file_findfile(NULL, NULL); fp != NULL; fp = fp->f_next) {
|
211
| 211
|
212 MOD_NAME(addr, mp->m_name); /* this field must come first */
213 MOD_TYPE(addr, mp->m_type);
214 if (mp->m_args)
215 MOD_ARGS(addr, mp->m_args);
216 MOD_ADDR(addr, mp->m_addr);
217 MOD_SIZE(addr, mp->m_size);
218 for (md = mp->m_metadata; md != NULL; md = md->md_next)
| 212 MOD_NAME(addr, fp->f_name); /* this field must come first */
213 MOD_TYPE(addr, fp->f_type);
214 if (fp->f_args)
215 MOD_ARGS(addr, fp->f_args);
216 MOD_ADDR(addr, fp->f_addr);
217 MOD_SIZE(addr, fp->f_size);
218 for (md = fp->f_metadata; md != NULL; md = md->md_next)
|
219 if (!(md->md_type & MODINFOMD_NOCOPY))
220 MOD_METADATA(addr, md);
221 }
222 MOD_END(addr);
223 return(addr);
224}
225
226/*
227 * Load the information expected by an i386 kernel.
228 *
229 * - The 'boothowto' argument is constructed
230 * - The 'botdev' argument is constructed
231 * - The 'bootinfo' struct is constructed, and copied into the kernel space.
232 * - The kernel environment is copied into kernel space.
233 * - Module metadata are formatted and placed in kernel space.
234 */
235int
236bi_load(char *args, int *howtop, int *bootdevp, vm_offset_t *bip)
237{
| 219 if (!(md->md_type & MODINFOMD_NOCOPY))
220 MOD_METADATA(addr, md);
221 }
222 MOD_END(addr);
223 return(addr);
224}
225
226/*
227 * Load the information expected by an i386 kernel.
228 *
229 * - The 'boothowto' argument is constructed
230 * - The 'botdev' argument is constructed
231 * - The 'bootinfo' struct is constructed, and copied into the kernel space.
232 * - The kernel environment is copied into kernel space.
233 * - Module metadata are formatted and placed in kernel space.
234 */
235int
236bi_load(char *args, int *howtop, int *bootdevp, vm_offset_t *bip)
237{
|
238 struct loaded_module *xp;
| 238 struct preloaded_file *xp;
|
239 struct i386_devdesc *rootdev;
240 vm_offset_t addr, bootinfo_addr;
241 char *rootdevname;
242 int bootdevnr, i;
243 u_int pad;
244 char *kernelname;
245 const char *kernelpath;
246
247 *howtop = bi_getboothowto(args);
248
249 /*
250 * Allow the environment variable 'rootdev' to override the supplied device
251 * This should perhaps go to MI code and/or have $rootdev tested/set by
252 * MI code before launching the kernel.
253 */
254 rootdevname = getenv("rootdev");
255 i386_getdev((void **)(&rootdev), rootdevname, NULL);
256 if (rootdev == NULL) { /* bad $rootdev/$currdev */
257 printf("can't determine root device\n");
258 return(EINVAL);
259 }
260
261 /* Try reading the /etc/fstab file to select the root device */
262 getrootmount(i386_fmtdev((void *)rootdev));
263
264 /* Do legacy rootdev guessing */
265 switch(rootdev->d_type) {
266 case DEVT_DISK:
267 /* pass in the BIOS device number of the current disk */
268 bi.bi_bios_dev = bd_unit2bios(rootdev->d_kind.biosdisk.unit);
269 bootdevnr = bd_getdev(rootdev);
270 if (bootdevnr != -1)
271 break;
272 printf("root device %s invalid\n", i386_fmtdev(rootdev));
273 return(EINVAL);
274
275 case DEVT_NET:
276 break;
277
278 default:
279 printf("WARNING - don't know how to boot from device type %d\n", rootdev->d_type);
280 }
281 free(rootdev);
282 *bootdevp = bootdevnr;
283
284 /* legacy bootinfo structure */
285 bi.bi_version = BOOTINFO_VERSION;
286 bi.bi_kernelname = 0; /* XXX char * -> kernel name */
287 bi.bi_nfs_diskless = 0; /* struct nfs_diskless * */
288 bi.bi_n_bios_used = 0; /* XXX would have to hook biosdisk driver for these */
289 for (i = 0; i < N_BIOS_GEOM; i++)
290 bi.bi_bios_geom[i] = bd_getbigeom(i);
291 bi.bi_size = sizeof(bi);
292 bi.bi_memsizes_valid = 1;
293 bi.bi_basemem = bios_basemem / 1024;
294 bi.bi_extmem = bios_extmem / 1024;
295
296 /* find the last module in the chain */
297 addr = 0;
| 239 struct i386_devdesc *rootdev;
240 vm_offset_t addr, bootinfo_addr;
241 char *rootdevname;
242 int bootdevnr, i;
243 u_int pad;
244 char *kernelname;
245 const char *kernelpath;
246
247 *howtop = bi_getboothowto(args);
248
249 /*
250 * Allow the environment variable 'rootdev' to override the supplied device
251 * This should perhaps go to MI code and/or have $rootdev tested/set by
252 * MI code before launching the kernel.
253 */
254 rootdevname = getenv("rootdev");
255 i386_getdev((void **)(&rootdev), rootdevname, NULL);
256 if (rootdev == NULL) { /* bad $rootdev/$currdev */
257 printf("can't determine root device\n");
258 return(EINVAL);
259 }
260
261 /* Try reading the /etc/fstab file to select the root device */
262 getrootmount(i386_fmtdev((void *)rootdev));
263
264 /* Do legacy rootdev guessing */
265 switch(rootdev->d_type) {
266 case DEVT_DISK:
267 /* pass in the BIOS device number of the current disk */
268 bi.bi_bios_dev = bd_unit2bios(rootdev->d_kind.biosdisk.unit);
269 bootdevnr = bd_getdev(rootdev);
270 if (bootdevnr != -1)
271 break;
272 printf("root device %s invalid\n", i386_fmtdev(rootdev));
273 return(EINVAL);
274
275 case DEVT_NET:
276 break;
277
278 default:
279 printf("WARNING - don't know how to boot from device type %d\n", rootdev->d_type);
280 }
281 free(rootdev);
282 *bootdevp = bootdevnr;
283
284 /* legacy bootinfo structure */
285 bi.bi_version = BOOTINFO_VERSION;
286 bi.bi_kernelname = 0; /* XXX char * -> kernel name */
287 bi.bi_nfs_diskless = 0; /* struct nfs_diskless * */
288 bi.bi_n_bios_used = 0; /* XXX would have to hook biosdisk driver for these */
289 for (i = 0; i < N_BIOS_GEOM; i++)
290 bi.bi_bios_geom[i] = bd_getbigeom(i);
291 bi.bi_size = sizeof(bi);
292 bi.bi_memsizes_valid = 1;
293 bi.bi_basemem = bios_basemem / 1024;
294 bi.bi_extmem = bios_extmem / 1024;
295
296 /* find the last module in the chain */
297 addr = 0;
|
298 for (xp = mod_findmodule(NULL, NULL); xp != NULL; xp = xp->m_next) {
299 if (addr < (xp->m_addr + xp->m_size))
300 addr = xp->m_addr + xp->m_size;
| 298 for (xp = file_findfile(NULL, NULL); xp != NULL; xp = xp->f_next) {
299 if (addr < (xp->f_addr + xp->f_size))
300 addr = xp->f_addr + xp->f_size;
|
301 }
302 /* pad to a page boundary */
303 pad = (u_int)addr & PAGE_MASK;
304 if (pad != 0) {
305 pad = PAGE_SIZE - pad;
306 addr += pad;
307 }
308
309 /* copy our environment */
310 bi.bi_envp = addr;
311 addr = bi_copyenv(addr);
312
313 /* pad to a page boundary */
314 pad = (u_int)addr & PAGE_MASK;
315 if (pad != 0) {
316 pad = PAGE_SIZE - pad;
317 addr += pad;
318 }
319 /* copy module list and metadata */
320 bi.bi_modulep = addr;
321 addr = bi_copymodules(addr);
322
323 /* all done copying stuff in, save end of loaded object space */
324 bi.bi_kernend = addr;
325
326 *howtop |= RB_BOOTINFO; /* it's there now */
327
328 /*
329 * Get the kernel name, strip off any device prefix.
330 */
331 kernelname = getenv("kernelname");
332 i386_getdev(NULL, kernelname, &kernelpath);
333 bi.bi_kernelname = VTOP(kernelpath);
334 *bip = VTOP(&bi);
335
336 return(0);
337}
| 301 }
302 /* pad to a page boundary */
303 pad = (u_int)addr & PAGE_MASK;
304 if (pad != 0) {
305 pad = PAGE_SIZE - pad;
306 addr += pad;
307 }
308
309 /* copy our environment */
310 bi.bi_envp = addr;
311 addr = bi_copyenv(addr);
312
313 /* pad to a page boundary */
314 pad = (u_int)addr & PAGE_MASK;
315 if (pad != 0) {
316 pad = PAGE_SIZE - pad;
317 addr += pad;
318 }
319 /* copy module list and metadata */
320 bi.bi_modulep = addr;
321 addr = bi_copymodules(addr);
322
323 /* all done copying stuff in, save end of loaded object space */
324 bi.bi_kernend = addr;
325
326 *howtop |= RB_BOOTINFO; /* it's there now */
327
328 /*
329 * Get the kernel name, strip off any device prefix.
330 */
331 kernelname = getenv("kernelname");
332 i386_getdev(NULL, kernelname, &kernelpath);
333 bi.bi_kernelname = VTOP(kernelpath);
334 *bip = VTOP(&bi);
335
336 return(0);
337}
|