X-Git-Url: http://git.ozlabs.org/?p=yaboot.git;a=blobdiff_plain;f=second%2Fyaboot.c;h=46ab0efca9c00cdf3826d4111c20453dce86c093;hp=c0027c34c02224dc00180ea799d6af969bc2ee3d;hb=ff0e80c9b39b18a907d1f1ffb8f836b13af4ebb1;hpb=7305a1de1f811a7e5afe9ec24244848c298ef352 diff --git a/second/yaboot.c b/second/yaboot.c index c0027c3..46ab0ef 100644 --- a/second/yaboot.c +++ b/second/yaboot.c @@ -178,6 +178,7 @@ yaboot_start (unsigned long r3, unsigned long r4, unsigned long r5) { int result; void* malloc_base = NULL; + unsigned long addr; prom_handle root; /* OF seems to do it, but I'm not very confident */ @@ -196,7 +197,10 @@ yaboot_start (unsigned long r3, unsigned long r4, unsigned long r5) prom_init ((prom_entry) r5); /* Allocate some memory for malloc'ator */ - malloc_base = prom_claim((void *)MALLOCADDR, MALLOCSIZE, 0); + for (addr = MALLOCADDR; addr <= MALLOCADDR * 16 ;addr+=0x100000) { + malloc_base = prom_claim((void *)addr, MALLOCSIZE, 0); + if (malloc_base != (void *)-1) break; + } if (malloc_base == (void *)-1) { prom_printf("Can't claim malloc buffer (%d bytes at 0x%08x)\n", MALLOCSIZE, MALLOCADDR); @@ -219,7 +223,10 @@ yaboot_start (unsigned long r3, unsigned long r4, unsigned long r5) root = prom_finddevice("/"); if (root != 0) { static char model[256]; - if (prom_getprop(root, "device_type", model, 256 ) > 0 && + if (prom_getprop(root, "CODEGEN,vendor", model, 256) > 0 && + !strncmp("bplan", model, 5)) + _machine = _MACH_bplan; + else if (prom_getprop(root, "device_type", model, 256 ) > 0 && !strncmp("chrp", model, 4)) _machine = _MACH_chrp; else { @@ -331,7 +338,6 @@ 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]; /* Allocate a buffer for the config file */ conf_file = malloc(CONFIG_FILE_MAX); @@ -340,19 +346,7 @@ load_config_file(struct boot_fspec_t *fspec) goto bail; } - /* Build the path to the file */ - if (_machine == _MACH_chrp) - strcpy(conf_path, "/etc/"); - else - conf_path[0] = 0; - if (fspec->file && *fspec->file) - strcat(conf_path, fspec->file); - else - strcat(conf_path, CONFIG_FILE_NAME); - - /* Open it */ - fspec->file = conf_path; result = open_file(fspec, &file); if (result != FILE_ERR_OK) { prom_printf("%s:%d,", fspec->dev, fspec->part); @@ -381,6 +375,22 @@ load_config_file(struct boot_fspec_t *fspec) 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 */ @@ -442,35 +452,6 @@ bail: 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. @@ -478,86 +459,45 @@ struct bootp_packet { */ 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 || _machine == _MACH_bplan) ? "/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); - } - - //DEBUG_F("----> mac addr: %s\n", fspec.file); + 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: @@ -565,7 +505,6 @@ static int load_my_config_file(struct boot_fspec_t *orig_fspec) orig_fspec->file = fspec.file; else free(fspec.file); - free(bootp_response); return rc; } @@ -722,6 +661,8 @@ int get_params(struct boot_param_t* params) static char imagepath[1024]; static char initrdpath[1024]; static char sysmappath[1024]; + static char manualinitrd[1024]; + static int definitrd = 1, hasarg = 0; pause_after = 0; memset(params, 0, sizeof(*params)); @@ -801,6 +742,46 @@ int get_params(struct boot_param_t* params) word_split(&imagename, ¶ms->args); } + /* initrd setup via cmd console */ + /* first, check if the user uses it with some label */ + if (!strncmp(params->args, "initrd=", 7)) { + DEBUG_F("params->args: %s\n", params->args); + definitrd = 0; + } + /* after, check if there is the 'initrd=' in the imagename string */ + if (!strncmp(imagename, "initrd=", 7) || !definitrd) { + + /* return the value of definitrd to 1 */ + if (!definitrd) + definitrd = 1; + + /* args = "initrd=blah" */ + char *args = NULL; + + if (params->args) { + args = params->args; + params->args = NULL; + hasarg = 1; + } else + args = imagename; + + if (strlen(args)){ + /* copy the string after the '=' to manualinitrd */ + strcpy(manualinitrd, args+7); + definitrd = 0; + prom_printf("New initrd file specified: %s\n", manualinitrd); + } else { + prom_printf("ERROR: no initrd specified!\n"); + return 0; + } + + /* set imagename with the default values of the config file */ + if ((prom_get_devtype(boot.dev) == FILE_DEVICE_NET) && !hasarg) + imagename = cfg_get_default(); + else + imagename = cfg_get_default(); + } + /* chrp gets this wrong, force it -- Cort */ if ( useconf && (!imagename || imagename[0] == 0 )) imagename = cfg_get_default(); @@ -862,6 +843,12 @@ int get_params(struct boot_param_t* params) "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" + "To boot a alternative initrd file rather than specified in the yaboot\n" + "configuration file, use the \"initrd\" command on Yaboot's prompt: \n" + "\"initrd=[name.img]\". This will load the \"name.img\" file after the default\n" + "kernel image. You can, also, specify a different initrd file to any other\n" + "label of the yaboot configuration file. Just type \"label initrd=[name.img]\"\n" + "and the specified initrd file will be loaded.\n\n" "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." @@ -991,14 +978,22 @@ int get_params(struct boot_param_t* params) prom_printf("%s: Unable to parse\n", imagepath); return 0; } - DEBUG_F("after parse_device_path: dev=%s part=%d file=%s\n", params->kernel.dev, - params->kernel.part, params->kernel.file); - + DEBUG_F("after parse_device_path: dev=%s part=%d file=%s\n", params->kernel.dev, params->kernel.part, params->kernel.file); if (useconf) { p = cfg_get_strg(label, "initrd"); if (p && *p) { - DEBUG_F("Parsing initrd path <%s>\n", p); - strncpy(initrdpath, p, 1024); + + /* check if user seted to use a initrd file from boot console */ + if (!definitrd && p != manualinitrd) { + if (manualinitrd[0] != "/" && (prom_get_devtype(defdevice_bak) != FILE_DEVICE_NET)) { + strcpy(initrdpath, "/"); + strcat(initrdpath, manualinitrd); + } else + strncpy(initrdpath, manualinitrd, 1024); + } else + strncpy(initrdpath, p, 1024); + + DEBUG_F("Parsing initrd path <%s>\n", initrdpath); if (!parse_device_path(initrdpath, defdevice, defpart, "/root.bin", ¶ms->rd)) { prom_printf("%s: Unable to parse\n", imagepath); @@ -1301,7 +1296,7 @@ load_elf32(struct boot_file_t *file, loadinfo_t *loadinfo) 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) { @@ -1389,13 +1384,7 @@ load_elf32(struct boot_file_t *file, loadinfo_t *loadinfo) 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; @@ -1445,7 +1434,7 @@ load_elf64(struct boot_file_t *file, loadinfo_t *loadinfo) 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) { @@ -1533,13 +1522,7 @@ load_elf64(struct boot_file_t *file, loadinfo_t *loadinfo) 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; @@ -1658,7 +1641,7 @@ setup_display(void) } 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++) { @@ -1746,11 +1729,13 @@ yaboot_main(void) prom_printf("%s: Unable to parse\n", bootdevice); return -1; } + if (_machine == _MACH_bplan) + boot.part++; DEBUG_F("After parse_device_path: dev=%s, part=%d, file=%s\n", boot.dev, boot.part, boot.file); if (!conf_given) { - if (_machine == _MACH_chrp) + if (_machine == _MACH_chrp || _machine == _MACH_bplan) boot.file = "/etc/"; else if (strlen(boot.file)) { if (!strncmp(boot.file, "\\\\", 2))