2 * Yaboot - secondary boot loader for Linux on PowerPC.
4 * Copyright (C) 2001, 2002 Ethan Benson
6 * Copyright (C) 1999, 2000, 2001 Benjamin Herrenschmidt
10 * Copyright (C) 2001 Peter Bergner
12 * portions based on poof
14 * Copyright (C) 1999 Marius Vollmer
16 * portions based on quik
18 * Copyright (C) 1996 Paul Mackerras.
20 * Because this program is derived from the corresponding file in the
21 * silo-0.64 distribution, it is also
23 * Copyright (C) 1996 Pete A. Zaitcev
25 * 1996 David S. Miller
26 * 1996 Miguel de Icaza
29 * This program is free software; you can redistribute it and/or modify
30 * it under the terms of the GNU General Public License as published by
31 * the Free Software Foundation; either version 2 of the License, or
32 * (at your option) any later version.
34 * This program is distributed in the hope that it will be useful,
35 * but WITHOUT ANY WARRANTY; without even the implied warranty of
36 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
37 * GNU General Public License for more details.
39 * You should have received a copy of the GNU General Public License
40 * along with this program; if not, write to the Free Software
41 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
54 #include "linux/elf.h"
58 #define CONFIG_FILE_NAME "yaboot.conf"
59 #define CONFIG_FILE_MAX 0x8000 /* 32k */
61 #ifdef USE_MD5_PASSWORDS
63 #endif /* USE_MD5_PASSWORDS */
65 /* align addr on a size boundry - adjust address up if needed -- Cort */
66 #define _ALIGN(addr,size) (((addr)+size-1)&(~(size-1)))
68 /* Addresses where the PPC32 and PPC64 vmlinux kernels are linked at.
69 * These are used to determine whether we are booting a vmlinux, in
70 * which case, it will be loaded at KERNELADDR. Otherwise (eg zImage),
71 * we load the binary where it was linked at (ie, e_entry field in
74 #define KERNEL_LINK_ADDR_PPC32 0xC0000000UL
75 #define KERNEL_LINK_ADDR_PPC64 0xC000000000000000ULL
83 unsigned long memsize;
84 unsigned long filesize;
86 unsigned long load_loc;
90 typedef void (*kernel_entry_t)( void *,
96 /* Imported functions */
97 extern unsigned long reloc_offset(void);
98 extern long flush_icache_range(unsigned long start, unsigned long stop);
100 /* Exported functions */
101 int yaboot_start(unsigned long r3, unsigned long r4, unsigned long r5);
103 /* Local functions */
104 static int yaboot_main(void);
105 static int is_elf32(loadinfo_t *loadinfo);
106 static int is_elf64(loadinfo_t *loadinfo);
107 static int load_elf32(struct boot_file_t *file, loadinfo_t *loadinfo);
108 static int load_elf64(struct boot_file_t *file, loadinfo_t *loadinfo);
109 static void setup_display(void);
111 /* Locals & globals */
114 char bootdevice[BOOTDEVSZ];
115 char bootoncelabel[1024];
117 char bootlastlabel[BOOTLASTSZ] = {0};
118 char fw_nbr_reboots[FW_NBR_REBOOTSZ] = {0};
119 long fw_reboot_cnt = 0;
120 char *password = NULL;
121 struct boot_fspec_t boot;
122 int _machine = _MACH_Pmac;
125 #ifdef CONFIG_COLOR_TEXT
127 /* Color values for text ui */
128 static struct ansi_color_t {
132 } ansi_color_table[] = {
140 { "light-gray", 0, 37 },
141 { "dark-gray", 1, 30 },
142 { "light-blue", 1, 31 },
143 { "light-green", 1, 32 },
144 { "light-cyan", 1, 33 },
145 { "light-red", 1, 34 },
146 { "light-purple", 1, 35 },
152 /* Default colors for text ui */
155 #endif /* CONFIG_COLOR_TEXT */
159 static int test_data = 0;
161 static int pause_after;
162 static char *pause_message = "Type go<return> to continue.\n";
163 static char given_bootargs[1024];
164 static int given_bootargs_by_user = 0;
166 extern unsigned char linux_logo_red[];
167 extern unsigned char linux_logo_green[];
168 extern unsigned char linux_logo_blue[];
170 #define DEFAULT_TIMEOUT -1
172 /* Entry, currently called directly by crt0 (bss not inited) */
174 extern char* __bss_start;
177 static struct first_info *quik_fip = NULL;
180 yaboot_start (unsigned long r3, unsigned long r4, unsigned long r5)
183 void* malloc_base = NULL;
187 /* OF seems to do it, but I'm not very confident */
188 memset(&__bss_start, 0, &_end - &__bss_start);
190 /* Check for quik first stage bootloader (but I don't think we are
191 * compatible with it anyway, I'll look into backporting to older OF
194 if (r5 == 0xdeadbeef) {
196 quik_fip = (struct first_info *)r4;
199 /* Initialize OF interface */
200 prom_init ((prom_entry) r5);
202 /* Allocate some memory for malloc'ator */
203 for (addr = MALLOCADDR; addr <= MALLOCADDR * 16 ;addr+=0x100000) {
204 malloc_base = prom_claim((void *)addr, MALLOCSIZE, 0);
205 if (malloc_base != (void *)-1) break;
207 if (malloc_base == (void *)-1) {
208 prom_printf("Can't claim malloc buffer (%d bytes at 0x%08x)\n",
209 MALLOCSIZE, MALLOCADDR);
212 malloc_init(malloc_base, MALLOCSIZE);
213 DEBUG_F("Malloc buffer allocated at %p (%d bytes)\n",
214 malloc_base, MALLOCSIZE);
216 /* A few useless DEBUG_F's */
217 DEBUG_F("reloc_offset : %ld (should be 0)\n", reloc_offset());
218 DEBUG_F("test_bss : %d (should be 0)\n", test_bss);
219 DEBUG_F("test_data : %d (should be 0)\n", test_data);
220 DEBUG_F("&test_data : %p\n", &test_data);
221 DEBUG_F("&test_bss : %p\n", &test_bss);
222 DEBUG_F("linked at : 0x%08x\n", TEXTADDR);
224 /* ask the OF info if we're a chrp or pmac */
225 /* we need to set _machine before calling finish_device_tree */
226 root = prom_finddevice("/");
228 static char model[256];
229 if (prom_getprop(root, "CODEGEN,vendor", model, 256) > 0 &&
230 !strncmp("bplan", model, 5))
231 _machine = _MACH_bplan;
232 else if (prom_getprop(root, "device_type", model, 256 ) > 0 &&
233 !strncmp("chrp", model, 4))
234 _machine = _MACH_chrp;
236 if (prom_getprop(root, "model", model, 256 ) > 0 &&
237 !strncmp(model, "IBM", 3))
238 _machine = _MACH_chrp;
242 DEBUG_F("Running on _machine = %d\n", _machine);
246 result = yaboot_main();
248 /* Get rid of malloc pool */
250 prom_release(malloc_base, MALLOCSIZE);
251 DEBUG_F("Malloc buffer released. Exiting with code %d\n",
261 #ifdef CONFIG_COLOR_TEXT
263 * Validify color for text ui
266 check_color_text_ui(char *color)
269 while(ansi_color_table[i].name) {
270 if (!strcmp(color, ansi_color_table[i].name))
276 #endif /* CONFIG_COLOR_TEXT */
279 void print_message_file(char *filename)
283 char *defdev = boot.dev;
284 int defpart = boot.part;
289 struct boot_file_t file;
290 struct boot_fspec_t msgfile;
292 defdev = cfg_get_strg(0, "device");
295 p = cfg_get_strg(0, "partition");
297 n = simple_strtol(p, &endp, 10);
298 if (endp != p && *endp == 0)
302 strncpy(msgpath, filename, sizeof(msgpath));
303 msgfile = boot; /* Copy all the original paramters */
304 if (!parse_device_path(msgpath, defdev, defpart, "/etc/yaboot.msg", &msgfile)) {
305 prom_printf("%s: Unable to parse\n", msgpath);
309 result = open_file(&msgfile, &file);
310 if (result != FILE_ERR_OK) {
311 prom_printf("%s:%d,", msgfile.dev, msgfile.part);
312 prom_perror(result, msgfile.file);
321 memset(msg, 0, 2001);
323 if (file.fs->read(&file, 2000, msg) <= 0)
326 prom_printf("%s", msg);
330 file.fs->close(&file);
335 /* Currently, the config file must be at the root of the filesystem.
336 * todo: recognize the full path to myself and use it to load the
337 * config file. Handle the "\\" (blessed system folder)
340 load_config_file(struct boot_fspec_t *fspec)
342 char *conf_file = NULL, *p;
343 struct boot_file_t file;
344 int sz, opened = 0, result = 0;
346 /* Allocate a buffer for the config file */
347 conf_file = malloc(CONFIG_FILE_MAX);
349 prom_printf("Can't alloc config file buffer\n");
354 result = open_file(fspec, &file);
355 if (result != FILE_ERR_OK) {
356 prom_printf("%s:%d,", fspec->dev, fspec->part);
357 prom_perror(result, fspec->file);
358 prom_printf("Can't open config file\n");
364 sz = file.fs->read(&file, CONFIG_FILE_MAX, conf_file);
366 prom_printf("Error, can't read config file\n");
369 prom_printf("Config file read, %d bytes\n", sz);
373 file.fs->close(&file);
376 /* Call the parsing code in cfg.c */
377 if (cfg_parse(fspec->file, conf_file, sz) < 0) {
378 prom_printf ("Syntax error or read error config\n");
383 * set the default cf_option to label that has the same MAC addr
384 * it only works if there is a label with the MAC addr on yaboot.conf
386 if (prom_get_devtype(fspec->dev) == FILE_DEVICE_NET) {
387 /* change the variable bellow to get the MAC dinamicaly */
388 char * macaddr = NULL;
391 macaddr = prom_get_mac(prom_get_netinfo());
392 default_mac = cfg_set_default_by_mac(macaddr);
393 if (default_mac >= 1) {
394 prom_printf("Default label was changed to macaddr label.\n");
398 DEBUG_F("Config file successfully parsed, %d bytes\n", sz);
400 /* Now, we do the initialisations stored in the config file */
401 p = cfg_get_strg(0, "init-code");
405 password = cfg_get_strg(0, "password");
407 #ifdef CONFIG_COLOR_TEXT
408 p = cfg_get_strg(0, "fgcolor");
410 DEBUG_F("fgcolor=%s\n", p);
411 fgcolor = check_color_text_ui(p);
413 prom_printf("Invalid fgcolor: \"%s\".\n", p);
416 p = cfg_get_strg(0, "bgcolor");
418 DEBUG_F("bgcolor=%s\n", p);
419 bgcolor = check_color_text_ui(p);
421 prom_printf("Invalid bgcolor: \"%s\".\n", p);
425 sprintf(temp, "%x to background-color", bgcolor);
426 prom_interpret(temp);
433 sprintf(temp, "%x to foreground-color", fgcolor);
434 prom_interpret(temp);
436 #endif /* CONFIG_COLOR_TEXT */
438 p = cfg_get_strg(0, "init-message");
440 prom_printf("%s\n", p);
442 p = cfg_get_strg(0, "message");
444 print_message_file(p);
451 file.fs->close(&file);
460 * Search for config file by MAC address, then by IP address.
461 * Basically copying pxelinux's algorithm.
462 * http://syslinux.zytor.com/pxe.php#config
464 static int load_my_config_file(struct boot_fspec_t *orig_fspec)
466 struct bootp_packet *packet;
468 struct boot_fspec_t fspec = *orig_fspec;
469 char *cfgpath = (_machine == _MACH_chrp || _machine == _MACH_bplan) ? "/etc/" : "";
473 packet = prom_get_netinfo();
478 * First, try to match on mac address with the hardware type
482 /* 3 chars per byte in chaddr + 2 chars for htype + /etc/ +\0 */
483 fspec.file = malloc(packet->hlen * 3 + 2 + 6);
487 sprintf(fspec.file, "%s%02x-", cfgpath, packet->htype);
488 strcat(fspec.file, prom_get_mac(packet));
490 rc = load_config_file(&fspec);
495 * Now try to match on IP.
497 /* no need to realloc for /etc/ + 8 chars in yiaddr + \0 */
498 sprintf(fspec.file, "%s%s", cfgpath, prom_get_ip(packet));
500 for (flen = strlen(fspec.file),
501 minlen = strlen(cfgpath); flen > minlen; flen--) {
502 rc = load_config_file(&fspec);
505 /* Chop one digit off the end, try again */
506 fspec.file[flen - 1] = '\0';
510 if (rc) /* modify original only on success */
511 orig_fspec->file = fspec.file;
517 void maintabfunc (void)
521 prom_printf("boot: %s", cbuff);
526 word_split(char **linep, char **paramsp)
541 while (*p != 0 && *p != ' ')
550 make_params(char *label, char *params)
553 static char buffer[2048];
558 p = cfg_get_strg(label, "literal");
570 p = cfg_get_strg(label, "root");
577 if (cfg_get_flag(label, "read-only")) {
581 if (cfg_get_flag(label, "read-write")) {
585 p = cfg_get_strg(label, "ramdisk");
587 strcpy (q, "ramdisk=");
592 p = cfg_get_strg(label, "initrd-size");
594 strcpy (q, "ramdisk_size=");
599 if (cfg_get_flag(label, "novideo")) {
600 strcpy (q, "video=ofonly");
604 p = cfg_get_strg (label, "append");
611 pause_after = cfg_get_flag (label, "pause-after");
612 p = cfg_get_strg(label, "pause-message");
621 void check_password(char *str)
625 prom_printf("\n%s", str);
626 for (i = 0; i < 3; i++) {
627 prom_printf ("\nPassword: ");
629 cmdedit ((void (*)(void)) 0, 1);
631 #ifdef USE_MD5_PASSWORDS
632 if (!strncmp (password, "$1$", 3)) {
633 if (!check_md5_password(passwdbuff, password))
636 else if (!strcmp (password, passwdbuff))
639 if (!strcmp (password, passwdbuff))
641 #endif /* USE_MD5_PASSWORDS */
644 prom_printf ("Incorrect password. Try again.");
647 prom_printf(" ___________________\n< Permission denied >\n -------------------\n"
648 " \\ ^__^\n \\ (oo)\\_______\n (__)\\ )\\/\\\n"
649 " ||----w |\n || ||\n");
651 prom_interpret("reset-all");
654 int get_params(struct boot_param_t* params)
658 char defdevice_bak[1024];
661 char *imagename = 0, *label;
666 static int first = 1;
667 static char imagepath[1024];
668 static char initrdpath[1024];
669 static char sysmappath[1024];
670 static char manualinitrd[1024];
671 static int definitrd = 1, hasarg = 0;
674 memset(params, 0, sizeof(*params));
676 params->kernel.part = -1;
677 params->rd.part = -1;
678 params->sysmap.part = -1;
683 if (first && !fw_reboot_cnt) {
685 imagename = bootargs;
686 word_split(&imagename, ¶ms->args);
687 timeout = DEFAULT_TIMEOUT;
689 prom_printf("Default supplied on the command line: %s ", imagename);
691 prom_printf("%s", params->args);
694 if (useconf && (q = cfg_get_strg(0, "timeout")) != 0 && *q != 0)
695 timeout = simple_strtol(q, NULL, 0);
698 /* If this is a reboot due to FW detecting CAS changes then
699 * set timeout to 1. The last kernel booted will be booted
700 * again automatically. It should seem seamless to the user
705 prom_printf("boot: ");
710 end = beg + 100 * timeout;
712 c = prom_nbgetchar();
713 } while (c == -1 && prom_getms() <= end);
717 else if (c != '\n' && c != '\t' && c != '\r' && c != '\b' ) {
723 if (c != -1 && c != '\n' && c != '\r') {
726 } else if (c >= ' ') {
729 if ((cfg_get_flag (cbuff, "single-key")) && useconf) {
732 prom_printf("%s\n", cbuff);
737 if (c == '\n' || c == '\r') {
739 if (bootoncelabel[0] != 0)
740 imagename = bootoncelabel;
741 else if (bootlastlabel[0] != 0)
742 imagename = bootlastlabel;
744 imagename = cfg_get_default();
747 prom_printf("%s", imagename);
749 prom_printf(" %s", params->args);
751 } else if (!singlekey) {
752 cmdedit(maintabfunc, 0);
754 strcpy(given_bootargs, cbuff);
755 given_bootargs_by_user = 1;
757 word_split(&imagename, ¶ms->args);
760 /* initrd setup via cmd console */
761 /* first, check if the user uses it with some label */
762 if (!strncmp(params->args, "initrd=", 7)) {
763 DEBUG_F("params->args: %s\n", params->args);
766 /* after, check if there is the 'initrd=' in the imagename string */
767 if (!strncmp(imagename, "initrd=", 7) || !definitrd) {
769 /* return the value of definitrd to 1 */
773 /* args = "initrd=blah" */
784 /* copy the string after the '=' to manualinitrd */
785 strcpy(manualinitrd, args+7);
787 prom_printf("New initrd file specified: %s\n", manualinitrd);
789 prom_printf("ERROR: no initrd specified!\n");
793 /* set imagename with the default values of the config file */
794 if ((prom_get_devtype(boot.dev) == FILE_DEVICE_NET) && !hasarg)
795 imagename = cfg_get_default();
797 imagename = cfg_get_default();
800 /* chrp gets this wrong, force it -- Cort */
801 if ( useconf && (!imagename || imagename[0] == 0 ))
802 imagename = cfg_get_default();
804 /* write the imagename out so it can be reused on reboot if necessary */
805 prom_set_options("boot-last-label", imagename, strlen(imagename));
808 defdevice = boot.dev;
810 strcpy(defdevice_bak,defdevice);
813 defdevice = cfg_get_strg(0, "device");
814 p = cfg_get_strg(0, "partition");
816 n = simple_strtol(p, &endp, 10);
817 if (endp != p && *endp == 0)
820 p = cfg_get_strg(0, "pause-message");
823 if (cfg_get_flag(0, "restricted"))
825 p = cfg_get_strg(imagename, "image");
829 defdevice = cfg_get_strg(label, "device");
830 if(!defdevice) defdevice=boot.dev;
831 p = cfg_get_strg(label, "partition");
833 n = simple_strtol(p, &endp, 10);
834 if (endp != p && *endp == 0)
837 if (cfg_get_flag(label, "restricted"))
840 if (params->args && password && restricted)
841 check_password ("To specify arguments for this image "
842 "you must enter the password.");
843 else if (password && !restricted)
844 check_password ("This image is restricted.");
846 params->args = make_params(label, params->args);
850 if (!strcmp (imagename, "help")) {
851 /* FIXME: defdevice shouldn't need to be reset all over the place */
852 if(!defdevice) defdevice = boot.dev;
854 "\nPress the tab key for a list of defined images.\n"
855 "The label marked with a \"*\" is is the default image, "
856 "press <return> to boot it.\n\n"
857 "To boot any other label simply type its name and press <return>.\n\n"
858 "To boot a kernel image which is not defined in the yaboot configuration \n"
859 "file, enter the kernel image name as [[device:][partno],]/path, where \n"
860 "\"device:\" is the OpenFirmware device path to the disk the image \n"
861 "resides on, and \"partno\" is the partition number the image resides on.\n"
862 "Note that the comma (,) is only required if you specify an OpenFirmware\n"
863 "device, if you only specify a filename you should not start it with a \",\"\n\n"
864 "To boot a alternative initrd file rather than specified in the yaboot\n"
865 "configuration file, use the \"initrd\" command on Yaboot's prompt: \n"
866 "\"initrd=[name.img]\". This will load the \"name.img\" file after the default\n"
867 "kernel image. You can, also, specify a different initrd file to any other\n"
868 "label of the yaboot configuration file. Just type \"label initrd=[name.img]\"\n"
869 "and the specified initrd file will be loaded.\n\n"
870 "To load an alternative config file rather than /etc/yaboot.conf, enter\n"
871 "its device, partno and path, on Open Firmware Prompt:\n"
872 "boot conf=device:partno,/path/to/configfile\n."
873 "To reload the config file or load a new one, use the \"conf\" command\n"
874 "on Yaboot's prompt:\n"
875 "conf [device=device] [partition=partno] [file=/path/to/configfile]\n\n"
876 "If you omit \"device\" and \"partno\", Yaboot will use their current\n"
877 "values. You can check them by entering \"conf\" on Yaboot's prompt.\n");
882 if (!strcmp (imagename, "halt")) {
884 check_password ("Restricted command.");
888 if (!strcmp (imagename, "bye")) {
890 check_password ("Restricted command.");
896 if (!strncmp (imagename, "conf", 4)) {
898 // imagename = "conf file=blah dev=bleh part=blih"
899 DEBUG_F("Loading user-specified config file: %s\n",imagename);
901 check_password ("Restricted command.");
905 // args= "file=blah dev=bleh part=blih"
906 char *args = params->args;
910 // set a pointer to the first space in args
911 char *space = strchr(args,' ');
915 char temp[1024] = "0";
917 // copy next argument to temp
918 strncpy(temp, args, space-args);
920 // parse temp and set boot arguments
921 if (!strncmp (temp, "file=", 5)){
922 DEBUG_F("conf file: %s\n", temp+5);
923 strcpy(boot.file, temp+5);
924 } else if (!strncmp (temp, "device=", 7)){
925 DEBUG_F("conf device: %s\n", temp+7);
926 strcpy(boot.dev, temp+7);
927 } else if (!strncmp (temp, "partition=", 10)){
928 DEBUG_F("conf partition: %s\n", temp+10);
929 boot.part=simple_strtol(temp+10,NULL,10);
933 // set the pointer to the next space in args;
934 // set the loop control variable
935 if (strlen(space)>1){
936 // Go to the next argument
940 if (strchr(args,' ') == NULL)
941 space = &args[strlen(args)];
943 space = strchr(args,' ');
950 prom_printf("Loading config file...\n");
951 useconf = load_config_file(&boot);
953 if ((q = cfg_get_strg(0, "timeout")) != 0 && *q != 0)
954 timeout = simple_strtol(q, NULL, 0);
956 prom_printf("Restoring default values.\n");
957 strcpy(boot.file,"");
958 strcpy(boot.dev, defdevice_bak);
963 prom_printf("Current configuration:\n");
964 prom_printf("device: %s\n", boot.dev);
966 prom_printf("partition: auto\n");
968 prom_printf("partition: %d\n", boot.part);
969 if (strlen(boot.file))
970 prom_printf("file: %s\n", boot.file);
972 prom_printf("file: /etc/%s\n",CONFIG_FILE_NAME);
981 if (imagename[0] == '$') {
982 /* forth command string */
984 check_password ("OpenFirmware commands are restricted.");
985 prom_interpret(imagename+1);
989 strncpy(imagepath, imagename, 1024);
991 if (!label && password)
992 check_password ("To boot a custom image you must enter the password.");
994 params->kernel = boot; /* Copy all the original paramters */
995 if (!parse_device_path(imagepath, defdevice, defpart,
996 "/vmlinux", ¶ms->kernel)) {
997 prom_printf("%s: Unable to parse\n", imagepath);
1000 DEBUG_F("after parse_device_path: dev=%s part=%d file=%s\n", params->kernel.dev, params->kernel.part, params->kernel.file);
1002 p = cfg_get_strg(label, "initrd");
1005 /* check if user seted to use a initrd file from boot console */
1006 if (!definitrd && p != manualinitrd) {
1007 if (manualinitrd[0] != "/" && (prom_get_devtype(defdevice_bak) != FILE_DEVICE_NET)) {
1008 strcpy(initrdpath, "/");
1009 strcat(initrdpath, manualinitrd);
1011 strncpy(initrdpath, manualinitrd, 1024);
1013 strncpy(initrdpath, p, 1024);
1015 DEBUG_F("Parsing initrd path <%s>\n", initrdpath);
1016 params->rd = boot; /* Copy all the original paramters */
1017 if (!parse_device_path(initrdpath, defdevice, defpart,
1018 "/root.bin", ¶ms->rd)) {
1019 prom_printf("%s: Unable to parse\n", imagepath);
1023 p = cfg_get_strg(label, "sysmap");
1025 DEBUG_F("Parsing sysmap path <%s>\n", p);
1026 strncpy(sysmappath, p, 1024);
1027 params->sysmap = boot; /* Copy all the original paramters */
1028 if (!parse_device_path(sysmappath, defdevice, defpart,
1029 "/boot/System.map", ¶ms->sysmap)) {
1030 prom_printf("%s: Unable to parse\n", imagepath);
1038 /* This is derived from quik core. To be changed to first parse the headers
1039 * doing lazy-loading, and then claim the memory before loading the kernel
1041 * We also need to add initrd support to this whole mecanism
1044 yaboot_text_ui(void)
1046 #define MAX_HEADERS 32
1048 struct boot_file_t file;
1050 static struct boot_param_t params;
1052 unsigned long initrd_size;
1054 unsigned long sysmap_size;
1055 kernel_entry_t kernel_entry;
1057 loadinfo_t loadinfo;
1058 void *initrd_more,*initrd_want;
1059 unsigned long initrd_read;
1061 loadinfo.load_loc = 0;
1069 if (get_params(¶ms))
1071 if (!params.kernel.file)
1074 prom_printf("Please wait, loading kernel...\n");
1076 memset(&file, 0, sizeof(file));
1078 if (strlen(boot.file) && !strcmp(boot.file,"\\\\") && params.kernel.file[0] != '/'
1079 && params.kernel.file[0] != '\\') {
1080 loc=(char*)malloc(strlen(params.kernel.file)+3);
1082 prom_printf ("malloc error\n");
1085 strcpy(loc,boot.file);
1086 strcat(loc,params.kernel.file);
1087 free(params.kernel.file);
1088 params.kernel.file=loc;
1090 result = open_file(¶ms.kernel, &file);
1091 if (result != FILE_ERR_OK) {
1092 prom_printf("%s:%d,", params.kernel.dev, params.kernel.part);
1093 prom_perror(result, params.kernel.file);
1097 /* Read the Elf e_ident, e_type and e_machine fields to
1098 * determine Elf file type
1100 if (file.fs->read(&file, sizeof(Elf_Ident), &loadinfo.elf) < sizeof(Elf_Ident)) {
1101 prom_printf("\nCan't read Elf e_ident/e_type/e_machine info\n");
1102 file.fs->close(&file);
1103 memset(&file, 0, sizeof(file));
1107 if (is_elf32(&loadinfo)) {
1108 if (!load_elf32(&file, &loadinfo)) {
1109 file.fs->close(&file);
1110 memset(&file, 0, sizeof(file));
1113 prom_printf(" Elf32 kernel loaded...\n");
1114 } else if (is_elf64(&loadinfo)) {
1115 if (!load_elf64(&file, &loadinfo)) {
1116 file.fs->close(&file);
1117 memset(&file, 0, sizeof(file));
1120 prom_printf(" Elf64 kernel loaded...\n");
1122 prom_printf ("%s: Not a valid ELF image\n", params.kernel.file);
1123 file.fs->close(&file);
1124 memset(&file, 0, sizeof(file));
1127 file.fs->close(&file);
1128 memset(&file, 0, sizeof(file));
1130 /* If sysmap, load it (only if booting a vmlinux).
1132 if (flat_vmlinux && params.sysmap.file) {
1133 prom_printf("Loading System.map ...\n");
1134 if(strlen(boot.file) && !strcmp(boot.file,"\\\\") && params.sysmap.file[0] != '/'
1135 && params.sysmap.file[0] != '\\') {
1137 loc=(char*)malloc(strlen(params.sysmap.file)+3);
1139 prom_printf ("malloc error\n");
1142 strcpy(loc,boot.file);
1143 strcat(loc,params.sysmap.file);
1144 free(params.sysmap.file);
1145 params.sysmap.file=loc;
1148 result = open_file(¶ms.sysmap, &file);
1149 if (result != FILE_ERR_OK) {
1150 prom_printf("%s:%d,", params.sysmap.dev, params.sysmap.part);
1151 prom_perror(result, params.sysmap.file);
1154 sysmap_base = prom_claim(loadinfo.base+loadinfo.memsize, 0x100000, 0);
1155 if (sysmap_base == (void *)-1) {
1156 prom_printf("Claim failed for sysmap memory\n");
1160 sysmap_size = file.fs->read(&file, 0xfffff, sysmap_base);
1161 if (sysmap_size == 0)
1164 ((char *)sysmap_base)[sysmap_size++] = 0;
1166 file.fs->close(&file);
1167 memset(&file, 0, sizeof(file));
1170 prom_printf("System.map loaded at %p, size: %lu Kbytes\n",
1171 sysmap_base, sysmap_size >> 10);
1172 loadinfo.memsize += _ALIGN(0x100000, 0x1000);
1174 prom_printf("System.map load failed !\n");
1179 /* If ramdisk, load it (only if booting a vmlinux). For now, we
1180 * can't tell the size it will be so we claim an arbitrary amount
1183 if (flat_vmlinux && params.rd.file) {
1184 if(strlen(boot.file) && !strcmp(boot.file,"\\\\") && params.rd.file[0] != '/'
1185 && params.kernel.file[0] != '\\')
1188 loc=(char*)malloc(strlen(params.rd.file)+3);
1190 prom_printf ("Malloc error\n");
1193 strcpy(loc,boot.file);
1194 strcat(loc,params.rd.file);
1195 free(params.rd.file);
1198 prom_printf("Loading ramdisk...\n");
1199 result = open_file(¶ms.rd, &file);
1200 if (result != FILE_ERR_OK) {
1201 prom_printf("%s:%d,", params.rd.dev, params.rd.part);
1202 prom_perror(result, params.rd.file);
1205 #define INITRD_CHUNKSIZE 0x100000
1206 initrd_base = prom_claim(loadinfo.base+loadinfo.memsize, INITRD_CHUNKSIZE, 0);
1207 if (initrd_base == (void *)-1) {
1208 prom_printf("Claim failed for initrd memory\n");
1211 initrd_size = file.fs->read(&file, INITRD_CHUNKSIZE, initrd_base);
1212 if (initrd_size == 0)
1214 initrd_read = initrd_size;
1215 initrd_more = initrd_base;
1216 while (initrd_read == INITRD_CHUNKSIZE ) { /* need to read more? */
1217 initrd_want = (void *)((unsigned long)initrd_more+INITRD_CHUNKSIZE);
1218 initrd_more = prom_claim(initrd_want, INITRD_CHUNKSIZE, 0);
1219 if (initrd_more != initrd_want) {
1220 prom_printf("Claim failed for initrd memory at %p rc=%p\n",initrd_want,initrd_more);
1224 initrd_read = file.fs->read(&file, INITRD_CHUNKSIZE, initrd_more);
1225 DEBUG_F(" block at %p rc=%lu\n",initrd_more,initrd_read);
1226 initrd_size += initrd_read;
1229 file.fs->close(&file);
1230 memset(&file, 0, sizeof(file));
1233 prom_printf("ramdisk loaded at %p, size: %lu Kbytes\n",
1234 initrd_base, initrd_size >> 10);
1236 prom_printf("ramdisk load failed !\n");
1241 DEBUG_F("setting kernel args to: %s\n", params.args);
1242 prom_setargs(params.args);
1243 DEBUG_F("flushing icache...");
1244 flush_icache_range ((long)loadinfo.base, (long)loadinfo.base+loadinfo.memsize);
1247 /* compute the kernel's entry point. */
1248 kernel_entry = loadinfo.base + loadinfo.entry - loadinfo.load_loc;
1250 DEBUG_F("Kernel entry point = %p\n", kernel_entry);
1251 DEBUG_F("kernel: arg1 = %p,\n"
1252 " arg2 = 0x%08lx,\n"
1256 initrd_base + loadinfo.load_loc, initrd_size, prom, 0, 0);
1258 DEBUG_F("Entering kernel...\n");
1260 /* call the kernel with our stack. */
1261 kernel_entry(initrd_base + loadinfo.load_loc, initrd_size, prom, 0, 0);
1269 load_elf32(struct boot_file_t *file, loadinfo_t *loadinfo)
1272 Elf32_Ehdr *e = &(loadinfo->elf.elf32hdr);
1274 int size = sizeof(Elf32_Ehdr) - sizeof(Elf_Ident);
1275 unsigned long loadaddr;
1277 /* Read the rest of the Elf header... */
1278 if ((*(file->fs->read))(file, size, &e->e_version) < size) {
1279 prom_printf("\nCan't read Elf32 image header\n");
1283 DEBUG_F("Elf32 header:\n");
1284 DEBUG_F(" e.e_type = %d\n", (int)e->e_type);
1285 DEBUG_F(" e.e_machine = %d\n", (int)e->e_machine);
1286 DEBUG_F(" e.e_version = %d\n", (int)e->e_version);
1287 DEBUG_F(" e.e_entry = 0x%08x\n", (int)e->e_entry);
1288 DEBUG_F(" e.e_phoff = 0x%08x\n", (int)e->e_phoff);
1289 DEBUG_F(" e.e_shoff = 0x%08x\n", (int)e->e_shoff);
1290 DEBUG_F(" e.e_flags = %d\n", (int)e->e_flags);
1291 DEBUG_F(" e.e_ehsize = 0x%08x\n", (int)e->e_ehsize);
1292 DEBUG_F(" e.e_phentsize = 0x%08x\n", (int)e->e_phentsize);
1293 DEBUG_F(" e.e_phnum = %d\n", (int)e->e_phnum);
1295 loadinfo->entry = e->e_entry;
1297 if (e->e_phnum > MAX_HEADERS) {
1298 prom_printf ("Can only load kernels with one program header\n");
1302 ph = (Elf32_Phdr *)malloc(sizeof(Elf32_Phdr) * e->e_phnum);
1304 prom_printf ("Malloc error\n");
1308 /* Now, we read the section header */
1309 if ((*(file->fs->seek))(file, e->e_phoff) != FILE_ERR_OK) {
1310 prom_printf ("seek error\n");
1313 if ((*(file->fs->read))(file, sizeof(Elf32_Phdr) * e->e_phnum, ph) !=
1314 sizeof(Elf32_Phdr) * e->e_phnum) {
1315 prom_printf ("read error\n");
1319 /* Scan through the program header
1320 * HACK: We must return the _memory size of the kernel image, not the
1321 * file size (because we have to leave room before other boot
1322 * infos. This code works as a side effect of the fact that
1323 * we have one section and vaddr == p_paddr
1325 loadinfo->memsize = loadinfo->filesize = loadinfo->offset = 0;
1327 for (i = 0; i < e->e_phnum; ++i, ++p) {
1328 if (p->p_type != PT_LOAD || p->p_offset == 0)
1330 if (loadinfo->memsize == 0) {
1331 loadinfo->offset = p->p_offset;
1332 loadinfo->memsize = p->p_memsz;
1333 loadinfo->filesize = p->p_filesz;
1334 loadinfo->load_loc = p->p_vaddr;
1336 loadinfo->memsize = p->p_offset + p->p_memsz - loadinfo->offset; /* XXX Bogus */
1337 loadinfo->filesize = p->p_offset + p->p_filesz - loadinfo->offset;
1341 if (loadinfo->memsize == 0) {
1342 prom_printf("Can't find a loadable segment !\n");
1346 /* leave some room (1Mb) for boot infos */
1347 loadinfo->memsize = _ALIGN(loadinfo->memsize,(1<<20)) + 0x100000;
1348 /* Claim OF memory */
1349 DEBUG_F("Before prom_claim, mem_sz: 0x%08lx\n", loadinfo->memsize);
1351 /* Determine whether we are trying to boot a vmlinux or some
1352 * other binary image (eg, zImage). We load vmlinux's at
1353 * KERNELADDR and all other binaries at their e_entry value.
1355 if (e->e_entry == KERNEL_LINK_ADDR_PPC32) {
1357 loadaddr = KERNELADDR;
1360 loadaddr = loadinfo->load_loc;
1363 loadinfo->base = prom_claim_chunk((void *)loadaddr, loadinfo->memsize, 0);
1364 if (loadinfo->base == (void *)-1) {
1365 prom_printf("Claim error, can't allocate kernel memory\n");
1369 DEBUG_F("After ELF parsing, load base: %p, mem_sz: 0x%08lx\n",
1370 loadinfo->base, loadinfo->memsize);
1371 DEBUG_F(" wanted load base: 0x%08lx, mem_sz: 0x%08lx\n",
1372 loadaddr, loadinfo->memsize);
1374 /* Load the program segments... */
1376 for (i = 0; i < e->e_phnum; ++i, ++p) {
1377 unsigned long offset;
1378 if (p->p_type != PT_LOAD || p->p_offset == 0)
1381 /* Now, we skip to the image itself */
1382 if ((*(file->fs->seek))(file, p->p_offset) != FILE_ERR_OK) {
1383 prom_printf ("Seek error\n");
1384 prom_release(loadinfo->base, loadinfo->memsize);
1387 offset = p->p_vaddr - loadinfo->load_loc;
1388 if ((*(file->fs->read))(file, p->p_filesz, loadinfo->base+offset) != p->p_filesz) {
1389 prom_printf ("Read failed\n");
1390 prom_release(loadinfo->base, loadinfo->memsize);
1397 /* Return success at loading the Elf32 kernel */
1407 load_elf64(struct boot_file_t *file, loadinfo_t *loadinfo)
1410 Elf64_Ehdr *e = &(loadinfo->elf.elf64hdr);
1412 int size = sizeof(Elf64_Ehdr) - sizeof(Elf_Ident);
1413 unsigned long loadaddr;
1415 /* Read the rest of the Elf header... */
1416 if ((*(file->fs->read))(file, size, &e->e_version) < size) {
1417 prom_printf("\nCan't read Elf64 image header\n");
1421 DEBUG_F("Elf64 header:\n");
1422 DEBUG_F(" e.e_type = %d\n", (int)e->e_type);
1423 DEBUG_F(" e.e_machine = %d\n", (int)e->e_machine);
1424 DEBUG_F(" e.e_version = %d\n", (int)e->e_version);
1425 DEBUG_F(" e.e_entry = 0x%016lx\n", (long)e->e_entry);
1426 DEBUG_F(" e.e_phoff = 0x%016lx\n", (long)e->e_phoff);
1427 DEBUG_F(" e.e_shoff = 0x%016lx\n", (long)e->e_shoff);
1428 DEBUG_F(" e.e_flags = %d\n", (int)e->e_flags);
1429 DEBUG_F(" e.e_ehsize = 0x%08x\n", (int)e->e_ehsize);
1430 DEBUG_F(" e.e_phentsize = 0x%08x\n", (int)e->e_phentsize);
1431 DEBUG_F(" e.e_phnum = %d\n", (int)e->e_phnum);
1433 loadinfo->entry = e->e_entry;
1435 if (e->e_phnum > MAX_HEADERS) {
1436 prom_printf ("Can only load kernels with one program header\n");
1440 ph = (Elf64_Phdr *)malloc(sizeof(Elf64_Phdr) * e->e_phnum);
1442 prom_printf ("Malloc error\n");
1446 /* Now, we read the section header */
1447 if ((*(file->fs->seek))(file, e->e_phoff) != FILE_ERR_OK) {
1448 prom_printf ("Seek error\n");
1451 if ((*(file->fs->read))(file, sizeof(Elf64_Phdr) * e->e_phnum, ph) !=
1452 sizeof(Elf64_Phdr) * e->e_phnum) {
1453 prom_printf ("Read error\n");
1457 /* Scan through the program header
1458 * HACK: We must return the _memory size of the kernel image, not the
1459 * file size (because we have to leave room before other boot
1460 * infos. This code works as a side effect of the fact that
1461 * we have one section and vaddr == p_paddr
1463 loadinfo->memsize = loadinfo->filesize = loadinfo->offset = 0;
1465 for (i = 0; i < e->e_phnum; ++i, ++p) {
1466 if (p->p_type != PT_LOAD || p->p_offset == 0)
1468 if (loadinfo->memsize == 0) {
1469 loadinfo->offset = p->p_offset;
1470 loadinfo->memsize = p->p_memsz;
1471 loadinfo->filesize = p->p_filesz;
1472 loadinfo->load_loc = p->p_vaddr;
1474 loadinfo->memsize = p->p_offset + p->p_memsz - loadinfo->offset; /* XXX Bogus */
1475 loadinfo->filesize = p->p_offset + p->p_filesz - loadinfo->offset;
1479 if (loadinfo->memsize == 0) {
1480 prom_printf("Can't find a loadable segment !\n");
1484 loadinfo->memsize = _ALIGN(loadinfo->memsize,(1<<20));
1485 /* Claim OF memory */
1486 DEBUG_F("Before prom_claim, mem_sz: 0x%08lx\n", loadinfo->memsize);
1488 /* Determine whether we are trying to boot a vmlinux or some
1489 * other binary image (eg, zImage). We load vmlinux's at
1490 * KERNELADDR and all other binaries at their e_entry value.
1492 if (e->e_entry == KERNEL_LINK_ADDR_PPC64) {
1494 loadaddr = KERNELADDR;
1497 loadaddr = e->e_entry;
1500 loadinfo->base = prom_claim_chunk((void *)loadaddr, loadinfo->memsize, 0);
1501 if (loadinfo->base == (void *)-1) {
1502 prom_printf("Claim error, can't allocate kernel memory\n");
1506 DEBUG_F("After ELF parsing, load base: %p, mem_sz: 0x%08lx\n",
1507 loadinfo->base, loadinfo->memsize);
1508 DEBUG_F(" wanted load base: 0x%08lx, mem_sz: 0x%08lx\n",
1509 loadaddr, loadinfo->memsize);
1511 /* Load the program segments... */
1513 for (i = 0; i < e->e_phnum; ++i, ++p) {
1514 unsigned long offset;
1515 if (p->p_type != PT_LOAD || p->p_offset == 0)
1518 /* Now, we skip to the image itself */
1519 if ((*(file->fs->seek))(file, p->p_offset) != FILE_ERR_OK) {
1520 prom_printf ("Seek error\n");
1521 prom_release(loadinfo->base, loadinfo->memsize);
1524 offset = p->p_vaddr - loadinfo->load_loc;
1525 if ((*(file->fs->read))(file, p->p_filesz, loadinfo->base+offset) != p->p_filesz) {
1526 prom_printf ("Read failed\n");
1527 prom_release(loadinfo->base, loadinfo->memsize);
1534 /* Return success at loading the Elf64 kernel */
1544 is_elf32(loadinfo_t *loadinfo)
1546 Elf32_Ehdr *e = &(loadinfo->elf.elf32hdr);
1548 return (e->e_ident[EI_MAG0] == ELFMAG0 &&
1549 e->e_ident[EI_MAG1] == ELFMAG1 &&
1550 e->e_ident[EI_MAG2] == ELFMAG2 &&
1551 e->e_ident[EI_MAG3] == ELFMAG3 &&
1552 e->e_ident[EI_CLASS] == ELFCLASS32 &&
1553 e->e_ident[EI_DATA] == ELFDATA2MSB &&
1554 e->e_type == ET_EXEC &&
1555 e->e_machine == EM_PPC);
1559 is_elf64(loadinfo_t *loadinfo)
1561 Elf64_Ehdr *e = &(loadinfo->elf.elf64hdr);
1563 return (e->e_ident[EI_MAG0] == ELFMAG0 &&
1564 e->e_ident[EI_MAG1] == ELFMAG1 &&
1565 e->e_ident[EI_MAG2] == ELFMAG2 &&
1566 e->e_ident[EI_MAG3] == ELFMAG3 &&
1567 e->e_ident[EI_CLASS] == ELFCLASS64 &&
1568 e->e_ident[EI_DATA] == ELFDATA2MSB &&
1569 (e->e_type == ET_EXEC || e->e_type == ET_DYN) &&
1570 e->e_machine == EM_PPC64);
1576 #ifdef CONFIG_SET_COLORMAP
1577 static unsigned char default_colors[] = {
1596 prom_handle scrn = PROM_INVALID_HANDLE;
1598 /* Try Apple's mac-boot screen ihandle */
1599 result = (int)call_prom_return("interpret", 1, 2,
1600 "\" _screen-ihandle\" $find if execute else 0 then", &scrn);
1601 DEBUG_F("Trying to get screen ihandle, result: %d, scrn: %p\n", result, scrn);
1603 if (scrn == 0 || scrn == PROM_INVALID_HANDLE) {
1605 /* Hrm... check to see if stdout is a display */
1606 scrn = call_prom ("instance-to-package", 1, 1, prom_stdout);
1607 DEBUG_F("instance-to-package of stdout is: %p\n", scrn);
1608 if (prom_getprop(scrn, "device_type", type, 32) > 0 && !strncmp(type, "display", 7)) {
1609 DEBUG_F("got it ! stdout is a screen\n");
1612 /* Else, we try to open the package */
1613 scrn = (prom_handle)call_prom( "open", 1, 1, "screen" );
1614 DEBUG_F("Open screen result: %p\n", scrn);
1618 if (scrn == PROM_INVALID_HANDLE) {
1619 prom_printf("No screen device found !\n");
1623 prom_set_color(scrn, i, default_colors[i*3],
1624 default_colors[i*3+1], default_colors[i*3+2]);
1626 prom_printf("\x1b[1;37m\x1b[2;40m");
1628 for (i=0;i<16; i++) {
1629 prom_printf("\x1b[%d;%dm\x1b[1;47m%s \x1b[2;40m %s\n",
1630 ansi_color_table[i].index,
1631 ansi_color_table[i].value,
1632 ansi_color_table[i].name,
1633 ansi_color_table[i].name);
1634 prom_printf("\x1b[%d;%dm\x1b[1;37m%s \x1b[2;30m %s\n",
1635 ansi_color_table[i].index,
1636 ansi_color_table[i].value+10,
1637 ansi_color_table[i].name,
1638 ansi_color_table[i].name);
1640 prom_printf("\x1b[1;37m\x1b[2;40m");
1641 #endif /* COLOR_TEST */
1647 #endif /* CONFIG_SET_COLORMAP */
1656 char conf_path[1024];
1658 if (_machine == _MACH_Pmac)
1661 prom_get_chosen("bootargs", bootargs, sizeof(bootargs));
1662 DEBUG_F("/chosen/bootargs = %s\n", bootargs);
1663 prom_get_chosen("bootpath", bootdevice, BOOTDEVSZ);
1664 DEBUG_F("/chosen/bootpath = %s\n", bootdevice);
1665 if (prom_get_options("ibm,client-architecture-support-reboot",fw_nbr_reboots, FW_NBR_REBOOTSZ) == -1 )
1666 prom_get_options("ibm,fw-nbr-reboots",fw_nbr_reboots, FW_NBR_REBOOTSZ);
1667 fw_reboot_cnt = simple_strtol(fw_nbr_reboots,&endp,10);
1668 if (fw_reboot_cnt > 0L)
1669 prom_get_options("boot-last-label", bootlastlabel, BOOTLASTSZ);
1671 /* If conf= specified on command line, it overrides
1672 Usage: conf=device:partition,/path/to/conffile
1673 Example: On Open Firmware Prompt, type
1674 boot conf=/pci@8000000f8000000/pci@1/pci1014,028C@1/scsi@0/sd@1,0:3,/etc/yaboot.conf */
1676 if (!strncmp(bootargs, "conf=", 5)) {
1677 DEBUG_F("Using conf argument in Open Firmware\n");
1678 char *end = strchr(bootargs,' ');
1682 strcpy(bootdevice, bootargs + 5);
1684 DEBUG_F("Using conf=%s\n", bootdevice);
1686 /* Remove conf=xxx from bootargs */
1688 memmove(bootargs, end+1, strlen(end+1)+1);
1692 if (bootdevice[0] == 0) {
1693 prom_get_options("boot-device", bootdevice, BOOTDEVSZ);
1694 DEBUG_F("boot-device = %s\n", bootdevice);
1696 if (bootdevice[0] == 0) {
1697 prom_printf("Couldn't determine boot device\n");
1701 if (bootoncelabel[0] == 0) {
1702 prom_get_options("boot-once", bootoncelabel,
1703 sizeof(bootoncelabel));
1704 if (bootoncelabel[0] != 0)
1705 DEBUG_F("boot-once: [%s]\n", bootoncelabel);
1707 prom_set_options("boot-once", NULL, 0);
1709 if (!parse_device_path(bootdevice, NULL, -1, "", &boot)) {
1710 prom_printf("%s: Unable to parse\n", bootdevice);
1713 if (_machine == _MACH_bplan && !conf_given)
1715 DEBUG_F("After parse_device_path: dev=%s, part=%d, file=%s\n",
1716 boot.dev, boot.part, boot.file);
1719 if (_machine == _MACH_chrp || _machine == _MACH_bplan)
1720 boot.file = "/etc/";
1721 else if (strlen(boot.file)) {
1722 if (!strncmp(boot.file, "\\\\", 2))
1726 p = last = boot.file;
1736 if (strlen(boot.file))
1737 strcat(boot.file, "\\");
1740 strcpy(conf_path, boot.file);
1741 strcat(conf_path, CONFIG_FILE_NAME);
1742 boot.file = conf_path;
1743 DEBUG_F("After path kludgeup: dev=%s, part=%d, file=%s\n",
1744 boot.dev, boot.part, boot.file);
1748 * If we're doing a netboot, first look for one which matches our
1751 if (prom_get_devtype(boot.dev) == FILE_DEVICE_NET) {
1752 prom_printf("Try to netboot\n");
1753 useconf = load_my_config_file(&boot);
1757 useconf = load_config_file(&boot);
1759 prom_printf("Welcome to yaboot version " VERSION "\n");
1760 prom_printf("Enter \"help\" to get some basic usage information\n");
1762 /* I am fed up with lusers using the wrong partition type and
1763 mailing me *when* it breaks */
1765 if (_machine == _MACH_Pmac) {
1766 char *entry = cfg_get_strg(0, "ptypewarning");
1769 warn = strcmp(entry,
1770 "I_know_the_partition_type_is_wrong_and_will_NOT_send_mail_when_booting_breaks");
1772 ptype = get_part_type(boot.dev, boot.part);
1773 if ((ptype != NULL) && (strcmp(ptype, "Apple_Bootstrap")))
1774 prom_printf("\nWARNING: Bootstrap partition type is wrong: \"%s\"\n"
1775 " type should be: \"Apple_Bootstrap\"\n\n", ptype);
1783 prom_printf("Bye.\n");
1789 * c-file-style: "k&r"