int useconf = 0;
char bootdevice[BOOTDEVSZ];
+char bootoncelabel[1024];
+char bootargs[1024];
char *password = NULL;
struct boot_fspec_t boot;
int _machine = _MACH_Pmac;
* config file. Handle the "\\" (blessed system folder)
*/
static int
-load_config_file(char *device, char* path, int partition)
+load_config_file(struct boot_fspec_t *fspec)
{
char *conf_file = NULL, *p;
struct boot_file_t file;
int sz, opened = 0, result = 0;
- char conf_path[512];
- struct boot_fspec_t fspec;
/* Allocate a buffer for the config file */
conf_file = malloc(CONFIG_FILE_MAX);
goto bail;
}
- /* Build the path to the file */
- if (_machine == _MACH_chrp)
- strcpy(conf_path, "/etc/");
- else if (path && *path)
- strcpy(conf_path, path);
- else
- conf_path[0] = 0;
- strcat(conf_path, CONFIG_FILE_NAME);
-
/* Open it */
- fspec.dev = device;
- fspec.file = conf_path;
- fspec.part = partition;
- result = open_file(&fspec, &file);
+ result = open_file(fspec, &file);
if (result != FILE_ERR_OK) {
- prom_printf("%s:%d,", fspec.dev, fspec.part);
- prom_perror(result, fspec.file);
+ prom_printf("%s:%d,", fspec->dev, fspec->part);
+ prom_perror(result, fspec->file);
prom_printf("Can't open config file\n");
goto bail;
}
opened = 0;
/* Call the parsing code in cfg.c */
- if (cfg_parse(conf_path, conf_file, sz) < 0) {
+ if (cfg_parse(fspec->file, conf_file, sz) < 0) {
prom_printf ("Syntax error or read error config\n");
goto bail;
}
+ /*
+ * set the default cf_option to label that has the same MAC addr
+ * it only works if there is a label with the MAC addr on yaboot.conf
+ */
+ if (prom_get_devtype(fspec->dev) == FILE_DEVICE_NET) {
+ /* change the variable bellow to get the MAC dinamicaly */
+ char * macaddr = NULL;
+ int default_mac = 0;
+
+ macaddr = prom_get_mac(prom_get_netinfo());
+ default_mac = cfg_set_default_by_mac(macaddr);
+ if (default_mac >= 1) {
+ prom_printf("Default label was changed to macaddr label.\n");
+ }
+ }
+
DEBUG_F("Config file successfully parsed, %d bytes\n", sz);
/* Now, we do the initialisations stored in the config file */
return result;
}
+/*
+ * Search for config file by MAC address, then by IP address.
+ * Basically copying pxelinux's algorithm.
+ * http://syslinux.zytor.com/pxe.php#config
+ */
+static int load_my_config_file(struct boot_fspec_t *orig_fspec)
+{
+ struct bootp_packet *packet;
+ int rc = 0;
+ struct boot_fspec_t fspec = *orig_fspec;
+ char *cfgpath = (_machine == _MACH_chrp) ? "/etc/" : "";
+ int flen;
+ int minlen;
+
+ packet = prom_get_netinfo();
+
+ /*
+ * First, try to match on mac address with the hardware type
+ * prepended.
+ */
+
+ /* 3 chars per byte in chaddr + 2 chars for htype + /etc/ +\0 */
+ fspec.file = malloc(packet->hlen * 3 + 2 + 6);
+ if (!fspec.file)
+ goto out;
+
+ sprintf(fspec.file, "%s%02x-", cfgpath, packet->htype);
+ strcat(fspec.file, prom_get_mac(packet));
+
+ rc = load_config_file(&fspec);
+ if (rc)
+ goto out;
+
+ /*
+ * Now try to match on IP.
+ */
+ /* no need to realloc for /etc/ + 8 chars in yiaddr + \0 */
+ sprintf(fspec.file, "%s%s", cfgpath, prom_get_ip(packet));
+
+ for (flen = strlen(fspec.file),
+ minlen = strlen(cfgpath); flen > minlen; flen--) {
+ rc = load_config_file(&fspec);
+ if (rc)
+ goto out;
+ /* Chop one digit off the end, try again */
+ fspec.file[flen - 1] = '\0';
+ }
+
+ out:
+ if (rc) /* modify original only on success */
+ orig_fspec->file = fspec.file;
+ else
+ free(fspec.file);
+ return rc;
+}
+
void maintabfunc (void)
{
if (useconf) {
{
int defpart;
char *defdevice = 0;
+ char defdevice_bak[1024];
char *p, *q, *endp;
int c, n;
char *imagename = 0, *label;
int singlekey = 0;
int restricted = 0;
static int first = 1;
- static char bootargs[1024];
static char imagepath[1024];
static char initrdpath[1024];
static char sysmappath[1024];
if (first) {
first = 0;
- prom_get_chosen("bootargs", bootargs, sizeof(bootargs));
imagename = bootargs;
word_split(&imagename, ¶ms->args);
timeout = DEFAULT_TIMEOUT;
}
if (c == '\n' || c == '\r') {
- if (!imagename)
- imagename = cfg_get_default();
+ if (!imagename) {
+ if (bootoncelabel[0] != 0)
+ imagename = bootoncelabel;
+ else
+ imagename = cfg_get_default();
+ }
if (imagename)
prom_printf("%s", imagename);
if (params->args)
label = 0;
defdevice = boot.dev;
+ strcpy(defdevice_bak,defdevice);
+
if (useconf) {
defdevice = cfg_get_strg(0, "device");
p = cfg_get_strg(0, "partition");
"resides on, and \"partno\" is the partition number the image resides on.\n"
"Note that the comma (,) is only required if you specify an OpenFirmware\n"
"device, if you only specify a filename you should not start it with a \",\"\n\n"
- "If you omit \"device:\" and \"partno\" yaboot will use the values of \n"
- "\"device=\" and \"partition=\" in yaboot.conf, right now those are set to: \n"
- "device=%s\n"
- "partition=%d\n\n", defdevice, defpart);
+ "To load an alternative config file rather than /etc/yaboot.conf, enter\n"
+ "its device, partno and path, on Open Firmware Prompt:\n"
+ "boot conf=device:partno,/path/to/configfile\n."
+ "To reload the config file or load a new one, use the \"conf\" command\n"
+ "on Yaboot's prompt:\n"
+ "conf [device=device] [partition=partno] [file=/path/to/configfile]\n\n"
+ "If you omit \"device\" and \"partno\", Yaboot will use their current\n"
+ "values. You can check them by entering \"conf\" on Yaboot's prompt.\n");
+
return 0;
}
return 1;
}
+ if (!strncmp (imagename, "conf", 4)) {
+
+ // imagename = "conf file=blah dev=bleh part=blih"
+ DEBUG_F("Loading user-specified config file: %s\n",imagename);
+ if (password) {
+ check_password ("Restricted command.");
+ return 1;
+ }
+
+ // args= "file=blah dev=bleh part=blih"
+ char *args = params->args;
+
+ if (strlen(args)){
+
+ // set a pointer to the first space in args
+ char *space = strchr(args,' ');
+
+ int loop = 3;
+ while (loop > 0){
+ char temp[1024] = "0";
+
+ // copy next argument to temp
+ strncpy(temp, args, space-args);
+
+ // parse temp and set boot arguments
+ if (!strncmp (temp, "file=", 5)){
+ DEBUG_F("conf file: %s\n", temp+5);
+ strcpy(boot.file, temp+5);
+ } else if (!strncmp (temp, "device=", 7)){
+ DEBUG_F("conf device: %s\n", temp+7);
+ strcpy(boot.dev, temp+7);
+ } else if (!strncmp (temp, "partition=", 10)){
+ DEBUG_F("conf partition: %s\n", temp+10);
+ boot.part=simple_strtol(temp+10,NULL,10);
+ } else
+ space = NULL;
+
+ // set the pointer to the next space in args;
+ // set the loop control variable
+ if (strlen(space)>1){
+ // Go to the next argument
+ args = space+1;
+
+ loop--;
+ if (strchr(args,' ') == NULL)
+ space = &args[strlen(args)];
+ else
+ space = strchr(args,' ');
+ } else {
+ loop = -1;
+ space = NULL;
+ }
+ }
+
+ prom_printf("Loading config file...\n");
+ useconf = load_config_file(&boot);
+ if (useconf > 0){
+ if ((q = cfg_get_strg(0, "timeout")) != 0 && *q != 0)
+ timeout = simple_strtol(q, NULL, 0);
+ } else {
+ prom_printf("Restoring default values.\n");
+ strcpy(boot.file,"");
+ strcpy(boot.dev, defdevice_bak);
+ boot.part = defpart;
+ }
+
+ } else {
+ prom_printf("Current configuration:\n");
+ prom_printf("device: %s\n", boot.dev);
+ if (boot.part < 0)
+ prom_printf("partition: auto\n");
+ else
+ prom_printf("partition: %d\n", boot.part);
+ if (strlen(boot.file))
+ prom_printf("file: %s\n", boot.file);
+ else
+ prom_printf("file: /etc/%s\n",CONFIG_FILE_NAME);
+ }
+
+ imagename = "\0";
+ params->args = "\0";
+
+ return 0;
+ }
+
if (imagename[0] == '$') {
/* forth command string */
if (password)
Elf32_Ehdr *e = &(loadinfo->elf.elf32hdr);
Elf32_Phdr *p, *ph;
int size = sizeof(Elf32_Ehdr) - sizeof(Elf_Ident);
- unsigned long addr, loadaddr;
+ unsigned long loadaddr;
/* Read the rest of the Elf header... */
if ((*(file->fs->read))(file, size, &e->e_version) < size) {
loadaddr = loadinfo->load_loc;
}
- /* On some systems, loadaddr may already be claimed, so try some
- * other nearby addresses before giving up.
- */
- for(addr=loadaddr; addr <= loadaddr * 8 ;addr+=0x100000) {
- loadinfo->base = prom_claim((void *)addr, loadinfo->memsize, 0);
- if (loadinfo->base != (void *)-1) break;
- }
+ loadinfo->base = prom_claim_chunk((void *)loadaddr, loadinfo->memsize, 0);
if (loadinfo->base == (void *)-1) {
prom_printf("Claim error, can't allocate kernel memory\n");
goto bail;
Elf64_Ehdr *e = &(loadinfo->elf.elf64hdr);
Elf64_Phdr *p, *ph;
int size = sizeof(Elf64_Ehdr) - sizeof(Elf_Ident);
- unsigned long addr, loadaddr;
+ unsigned long loadaddr;
/* Read the rest of the Elf header... */
if ((*(file->fs->read))(file, size, &e->e_version) < size) {
loadaddr = e->e_entry;
}
- /* On some systems, loadaddr may already be claimed, so try some
- * other nearby addresses before giving up.
- */
- for(addr=loadaddr; addr <= loadaddr * 8 ;addr+=0x100000) {
- loadinfo->base = prom_claim((void *)addr, loadinfo->memsize, 0);
- if (loadinfo->base != (void *)-1) break;
- }
+ loadinfo->base = prom_claim_chunk((void *)loadaddr, loadinfo->memsize, 0);
if (loadinfo->base == (void *)-1) {
prom_printf("Claim error, can't allocate kernel memory\n");
goto bail;
}
if (scrn == PROM_INVALID_HANDLE) {
- prom_printf("No screen device found !/n");
+ prom_printf("No screen device found !\n");
return;
}
for(i=0;i<16;i++) {
yaboot_main(void)
{
char *ptype;
+ int conf_given = 0;
+ char conf_path[1024];
if (_machine == _MACH_Pmac)
setup_display();
+ prom_get_chosen("bootargs", bootargs, sizeof(bootargs));
+ DEBUG_F("/chosen/bootargs = %s\n", bootargs);
prom_get_chosen("bootpath", bootdevice, BOOTDEVSZ);
DEBUG_F("/chosen/bootpath = %s\n", bootdevice);
+
+ /* If conf= specified on command line, it overrides
+ Usage: conf=device:partition,/path/to/conffile
+ Example: On Open Firmware Prompt, type
+ boot conf=/pci@8000000f8000000/pci@1/pci1014,028C@1/scsi@0/sd@1,0:3,/etc/yaboot.conf */
+
+ if (!strncmp(bootargs, "conf=", 5)) {
+ DEBUG_F("Using conf argument in Open Firmware\n");
+ char *end = strchr(bootargs,' ');
+ if (end)
+ *end = 0;
+
+ strcpy(bootdevice, bootargs + 5);
+ conf_given = 1;
+ DEBUG_F("Using conf=%s\n", bootdevice);
+
+ /* Remove conf=xxx from bootargs */
+ if (end)
+ memmove(bootargs, end+1, strlen(end+1)+1);
+ else
+ bootargs[0] = 0;
+ }
if (bootdevice[0] == 0) {
prom_get_options("boot-device", bootdevice, BOOTDEVSZ);
DEBUG_F("boot-device = %s\n", bootdevice);
return -1;
}
+ if (bootoncelabel[0] == 0) {
+ prom_get_options("boot-once", bootoncelabel,
+ sizeof(bootoncelabel));
+ if (bootoncelabel[0] != 0)
+ DEBUG_F("boot-once: [%s]\n", bootoncelabel);
+ }
+ prom_set_options("boot-once", NULL, 0);
+
if (!parse_device_path(bootdevice, NULL, -1, "", &boot)) {
prom_printf("%s: Unable to parse\n", bootdevice);
return -1;
DEBUG_F("After parse_device_path: dev=%s, part=%d, file=%s\n",
boot.dev, boot.part, boot.file);
- if (strlen(boot.file)) {
- if (!strncmp(boot.file, "\\\\", 2))
- boot.file = "\\\\";
- else {
- char *p, *last;
- p = last = boot.file;
- while(*p) {
- if (*p == '\\')
- last = p;
- p++;
- }
- if (p)
- *(last) = 0;
- else
- boot.file = "";
- if (strlen(boot.file))
- strcat(boot.file, "\\");
- }
+ if (!conf_given) {
+ if (_machine == _MACH_chrp)
+ boot.file = "/etc/";
+ else if (strlen(boot.file)) {
+ if (!strncmp(boot.file, "\\\\", 2))
+ boot.file = "\\\\";
+ else {
+ char *p, *last;
+ p = last = boot.file;
+ while(*p) {
+ if (*p == '\\')
+ last = p;
+ p++;
+ }
+ if (p)
+ *(last) = 0;
+ else
+ boot.file = "";
+ if (strlen(boot.file))
+ strcat(boot.file, "\\");
+ }
+ }
+ strcpy(conf_path, boot.file);
+ strcat(conf_path, CONFIG_FILE_NAME);
+ boot.file = conf_path;
+ DEBUG_F("After path kludgeup: dev=%s, part=%d, file=%s\n",
+ boot.dev, boot.part, boot.file);
+ }
+
+ /*
+ * If we're doing a netboot, first look for one which matches our
+ * MAC address.
+ */
+ if (prom_get_devtype(boot.dev) == FILE_DEVICE_NET) {
+ prom_printf("Try to netboot\n");
+ useconf = load_my_config_file(&boot);
}
- DEBUG_F("After pmac path kludgeup: dev=%s, part=%d, file=%s\n",
- boot.dev, boot.part, boot.file);
- useconf = load_config_file(boot.dev, boot.file, boot.part);
+ if (!useconf)
+ useconf = load_config_file(&boot);
prom_printf("Welcome to yaboot version " VERSION "\n");
prom_printf("Enter \"help\" to get some basic usage information\n");
projects / yaboot.git / blobdiff