int useconf = 0;
char bootdevice[BOOTDEVSZ];
+char bootoncelabel[1024];
char bootargs[1024];
char *password = NULL;
struct boot_fspec_t boot;
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;
}
-/*
- * "bootp-response" is the property name which is specified in
- * the recommended practice doc for obp-tftp. However, pmac
- * provides a "dhcp-response" property and chrp provides a
- * "bootpreply-packet" property. The latter appears to begin the
- * bootp packet at offset 0x2a in the property for some reason.
- */
-
-struct bootp_property_offset {
- char *name; /* property name */
- int offset; /* offset into property where bootp packet occurs */
-};
-static const struct bootp_property_offset bootp_response_properties[] = {
- { .name = "bootp-response", .offset = 0 },
- { .name = "dhcp-response", .offset = 0 },
- { .name = "bootpreply-packet", .offset = 0x2a },
-};
-
-struct bootp_packet {
- u8 op, htype, hlen, hops;
- u32 xid;
- u16 secs, flags;
- u32 ciaddr, yiaddr, siaddr, giaddr;
- unsigned char chaddr[16];
- unsigned char sname[64];
- unsigned char file[128];
- /* vendor options go here if we need them */
-};
-
/*
* Search for config file by MAC address, then by IP address.
* Basically copying pxelinux's algorithm.
*/
static int load_my_config_file(struct boot_fspec_t *orig_fspec)
{
- void *bootp_response = NULL;
- char *propname;
struct bootp_packet *packet;
- int i = 0, size, offset = 0, rc = 0;
- prom_handle chosen;
+ int rc = 0;
struct boot_fspec_t fspec = *orig_fspec;
-#define ARRAY_SIZE(x) (sizeof(x) / sizeof(x[0]))
-
- chosen = prom_finddevice("/chosen");
- if (chosen < 0) {
- prom_printf("chosen=%d\n", chosen);
- return 0;
- }
+ char *cfgpath = (_machine == _MACH_chrp) ? "/etc/" : "";
+ int flen;
+ int minlen;
- for (i = 0; i < ARRAY_SIZE(bootp_response_properties); i++) {
- propname = bootp_response_properties[i].name;
- size = prom_getproplen(chosen, propname);
- if (size <= 0)
- continue;
-
- DEBUG_F("using /chosen/%s\n", propname);
- offset = bootp_response_properties[i].offset;
- break;
- }
-
- if (size <= 0)
- goto out;
-
- if (sizeof(*packet) > size - offset) {
- prom_printf("Malformed %s property?\n", propname);
- goto out;
- }
-
- bootp_response = malloc(size);
- if (!bootp_response)
- goto out;
-
- if (prom_getprop(chosen, propname, bootp_response, size) < 0)
- goto out;
-
- packet = bootp_response + offset;
+ 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 + \0 */
- fspec.file = malloc(packet->hlen * 3 + 2 + 1);
+ /* 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, "%02x", packet->htype);
-
- for (i = 0; i < packet->hlen; i++) {
- char tmp[4];
- sprintf(tmp, "-%02x", packet->chaddr[i]);
- strcat(fspec.file, tmp);
- }
+ 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.
*/
- free(fspec.file);
- fspec.file = malloc(9);
- sprintf(fspec.file, "%08X", packet->yiaddr);
+ /* no need to realloc for /etc/ + 8 chars in yiaddr + \0 */
+ sprintf(fspec.file, "%s%s", cfgpath, prom_get_ip(packet));
- while (strlen(fspec.file)) {
+ 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[strlen(fspec.file) - 1] = '\0';
+ fspec.file[flen - 1] = '\0';
}
out:
orig_fspec->file = fspec.file;
else
free(fspec.file);
- free(bootp_response);
return rc;
}
{
int defpart;
char *defdevice = 0;
+ char defdevice_bak[1024];
char *p, *q, *endp;
int c, n;
char *imagename = 0, *label;
}
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"
- "To use an alternative config file rather than /etc/yaboot.conf, type on\n"
- " Open FirmWare Prompt: \"boot conf=device:partition,/path/to/configfile\"\n"
- "where \"device\" and \"partition\" are defined like above.\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)
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;
projects / yaboot.git / blobdiff