| bootinfo32.c (59854) | bootinfo32.c (64187) |
|---|---|
| 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 unchanged lines hidden (view full) --- 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 unchanged lines hidden (view full) --- 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 59854 2000-05-01 17:41:25Z bp $ | 26 * $FreeBSD: head/sys/boot/i386/libi386/bootinfo32.c 64187 2000-08-03 09:14:02Z jhb $ |
| 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{ | 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; | 46 const 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 | 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 |
| 59vm_offset_t bi_copymodules(vm_offset_t addr); 60 |
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| 59int 60bi_getboothowto(char *kargs) 61{ 62 char *cp; 63 int howto; 64 int active; 65 int i; 66 --- 155 unchanged lines hidden (view full) --- 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 | 61int 62bi_getboothowto(char *kargs) 63{ 64 char *cp; 65 int howto; 66 int active; 67 int i; 68 --- 155 unchanged lines hidden (view full) --- 224 MOD_END(addr); 225 return(addr); 226} 227 228/* 229 * Load the information expected by an i386 kernel. 230 * 231 * - The 'boothowto' argument is constructed |
| 230 * - The 'botdev' argument is constructed | 232 * - The 'bootdev' 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 preloaded_file *xp; 239 struct i386_devdesc *rootdev; | 233 * - The 'bootinfo' struct is constructed, and copied into the kernel space. 234 * - The kernel environment is copied into kernel space. 235 * - Module metadata are formatted and placed in kernel space. 236 */ 237int 238bi_load(char *args, int *howtop, int *bootdevp, vm_offset_t *bip) 239{ 240 struct preloaded_file *xp; 241 struct i386_devdesc *rootdev; |
| 240 vm_offset_t addr, bootinfo_addr; | 242 vm_offset_t 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 --- 8 unchanged lines hidden (view full) --- 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 */ | 243 char *rootdevname; 244 int bootdevnr, i; 245 u_int pad; 246 char *kernelname; 247 const char *kernelpath; 248 249 *howtop = bi_getboothowto(args); 250 --- 8 unchanged lines hidden (view full) --- 259 printf("can't determine root device\n"); 260 return(EINVAL); 261 } 262 263 /* Try reading the /etc/fstab file to select the root device */ 264 getrootmount(i386_fmtdev((void *)rootdev)); 265 266 /* Do legacy rootdev guessing */ |
| 267 268 /* XXX - use a default bootdev of 0. Is this ok??? */ 269 bootdevnr = 0; 270 |
|
| 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)); --- 65 unchanged lines hidden --- | 271 switch(rootdev->d_type) { 272 case DEVT_DISK: 273 /* pass in the BIOS device number of the current disk */ 274 bi.bi_bios_dev = bd_unit2bios(rootdev->d_kind.biosdisk.unit); 275 bootdevnr = bd_getdev(rootdev); 276 if (bootdevnr != -1) 277 break; 278 printf("root device %s invalid\n", i386_fmtdev(rootdev)); --- 65 unchanged lines hidden --- |