1 ///////////////////////////////////////////////////////////////////////// 2 // $Id$ 3 ///////////////////////////////////////////////////////////////////////// 4 // 5 // Copyright (C) 2001 MandrakeSoft S.A. 6 // 7 // MandrakeSoft S.A. 8 // 43, rue d'Aboukir 9 // 75002 Paris - France 10 // http://www.linux-mandrake.com/ 11 // http://www.mandrakesoft.com/ 12 // 13 // This library is free software; you can redistribute it and/or 14 // modify it under the terms of the GNU Lesser General Public 15 // License as published by the Free Software Foundation; either 16 // version 2 of the License, or (at your option) any later version. 17 // 18 // This library is distributed in the hope that it will be useful, 19 // but WITHOUT ANY WARRANTY; without even the implied warranty of 20 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 21 // Lesser General Public License for more details. 22 // 23 // You should have received a copy of the GNU Lesser General Public 24 // License along with this library; if not, write to the Free Software 25 // Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA 26 27 #include <sys/types.h> 28 #include <sys/stat.h> 29 #include <fcntl.h> 30 #include <stdlib.h> 31 #include <stdio.h> 32 #include <unistd.h> 33 34 35 unsigned char bios[65536]; 36 37 int 38 main(int argc, char *argv[]) 39 { 40 int bios_file; 41 FILE * org_file; 42 unsigned org, last_org, offset; 43 int retval; 44 unsigned int to_read, index; 45 double elements, ratio; 46 47 if (argc !=3 ) { 48 fprintf(stderr, "Usage: usage bios-file org-file\n"); 49 exit(1); 50 } 51 52 bios_file = open(argv[1], O_RDONLY); 53 org_file = fopen(argv[2], "r"); 54 55 if ( (bios_file<0) | (org_file==NULL) ) { 56 fprintf(stderr, "problems opening files.\n"); 57 exit(1); 58 } 59 60 printf("files opened OK\n"); 61 62 to_read = 65536; 63 index = 0; 64 while (to_read > 0) { 65 retval = read(bios_file, &bios[index], to_read); 66 if (retval <= 0) { 67 fprintf(stderr, "problem reading bios file\n"); 68 exit(1); 69 } 70 to_read -= retval; 71 index += retval; 72 } 73 printf("bios file read in OK\n"); 74 75 last_org = 0; 76 77 while (1) { 78 retval = fscanf(org_file, "0x%x\n", &org); 79 if (retval <= 0) break; 80 printf("%04x .. %04x ", last_org, org-1); 81 for (offset=org-1; offset>last_org; offset--) { 82 if (bios[offset] != 0) break; 83 } 84 if (offset > last_org) { 85 elements = (1.0 + double(offset) - double(last_org)); 86 } 87 else { 88 if (bios[last_org] == 0) 89 elements = 0.0; 90 else 91 elements = 1.0; 92 } 93 94 ratio = elements / (double(org) - double(last_org)); 95 ratio *= 100.0; 96 printf("%6.2lf\n", ratio); 97 last_org = org; 98 } 99 } 100
