diff options
Diffstat (limited to 'vpddecode.c')
| -rw-r--r-- | vpddecode.c | 202 |
1 files changed, 0 insertions, 202 deletions
diff --git a/vpddecode.c b/vpddecode.c deleted file mode 100644 index 4e00263..0000000 --- a/vpddecode.c +++ /dev/null @@ -1,202 +0,0 @@ -/* - * IBM Vital Product Data decoder - * - * (C) 2003-2005 Jean Delvare <khali@linux-fr.org> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - * - * For the avoidance of doubt the "preferred form" of this code is one which - * is in an open unpatent encumbered format. Where cryptographic key signing - * forms part of the process of creating an executable the information - * including keys needed to generate an equivalently functional executable - * are deemed to be part of the source code. - * - * References: - * - IBM "Using the BIOS Build ID to identify Thinkpad systems" - * Revision 2006-01-31 - * http://www-307.ibm.com/pc/support/site.wss/MIGR-45120.html - * - * Notes: - * - Main part of the code is taken directly from biosdecode, with an - * additional command line interface and a few experimental features. - */ - -#include <stdio.h> -#include <stdlib.h> -#include <string.h> -#include <unistd.h> - -#include "version.h" -#include "config.h" -#include "types.h" -#include "util.h" -#include "vpdopt.h" - -static void print_entry(const char *name, const u8 *p, size_t len) -{ - size_t i; - - if(name!=NULL) - printf("%s: ", name); - for(i=0; i<len; i++) - { - /* ASCII filtering */ - if(p[i]>=32 && p[i]<127) - printf("%c", p[i]); - else if(p[i]!=0) - printf("."); - } - printf("\n"); -} - -static void dump(const u8 *p, u8 len) -{ - int done, i, min; - - for(done=0; done<len; done+=16) - { - printf("%02X:", done); - min=(len-done<16)?len-done:16; - - /* As hexadecimal first */ - for(i=0; i<min; i++) - printf(" %02X", p[done+i]); - for(; i<16; i++) /* Complete line if needed */ - printf(" "); - printf(" "); - - /* And now as text, with ASCII filtering */ - for(i=0; i<min; i++) - printf("%c", (p[done+i]>=32 && p[done+i]<127)? - p[done+i]:'.'); - printf("\n"); - } -} - -static int decode(const u8 *p) -{ - if(p[5]<0x30) - return 0; - - /* XSeries have longer records, exact length seems to vary. */ - if(!(p[5]>=0x45 && checksum(p, p[5])) - /* Some Netvista seem to work with this. */ - && !(checksum(p, 0x30)) - /* The Thinkpad/Thinkcentre checksum does *not* include the first - 13 bytes. */ - && !(checksum(p+0x0D, 0x30-0x0D))) - { - /* A few systems have a bad checksum (xSeries 325, 330, 335 - and 345 with early BIOS) but the record is otherwise - valid. */ - if(!(opt.flags & FLAG_QUIET)) - printf("Bad checksum! Please report.\n"); - } - - if(opt.string!=NULL) - { - if(opt.string->offset+opt.string->len<p[5]) - print_entry(NULL, p+opt.string->offset, - opt.string->len); - return 1; - } - - print_entry("BIOS Build ID", p+0x0D, 9); - print_entry("Box Serial Number", p+0x16, 7); - print_entry("Motherboard Serial Number", p+0x1D, 11); - print_entry("Machine Type/Model", p+0x28, 7); - - if(p[5]<0x44) - return 1; - - print_entry("BIOS Release Date", p+0x30, 8); - print_entry("Default Flash Image File Name", p+0x38, 12); - - if(p[5]>=0x46 && p[0x44]!=0x00) - { - printf("%s: %u (Please report!)\n", "BIOS Revision", - p[0x44]); - } - - return 1; -} - -int main(int argc, char * const argv[]) -{ - u8 *buf; - int found=0; - unsigned int fp; - - if(sizeof(u8)!=1) - { - fprintf(stderr, "%s: compiler incompatibility\n", argv[0]); - exit(255); - } - - /* Set default option values */ - opt.devmem=DEFAULT_MEM_DEV; - opt.flags=0; - - if(parse_command_line(argc, argv)<0) - exit(2); - - if(opt.flags & FLAG_HELP) - { - print_help(); - return 0; - } - - if(opt.flags & FLAG_VERSION) - { - printf("%s\n", VERSION); - return 0; - } - - if(!(opt.flags & FLAG_QUIET)) - printf("# vpddecode %s\n", VERSION); - - if((buf=mem_chunk(0xF0000, 0x10000, opt.devmem))==NULL) - exit(1); - - for(fp=0; fp<=0xFFF0; fp+=4) - { - u8 *p=buf+fp; - - if(memcmp((char *)p, "\252\125VPD", 5)==0 - && fp+p[5]-1<=0xFFFF) - { - if(fp%16 && !(opt.flags & FLAG_QUIET)) - printf("Unaligned address (%#x), please report!\n", - 0xf0000+fp); - if(opt.flags & FLAG_DUMP) - { - dump(p, p[5]); - found++; - } - else - { - if(decode(p)) - found++; - } - } - } - - free(buf); - - if(!found && !(opt.flags && FLAG_QUIET)) - printf("# No VPD structure found, sorry.\n"); - - return 0; -} |