94 lines
2.4 KiB
C++
94 lines
2.4 KiB
C++
/////////////////////////////////////////////////////////////////////////
|
|
// $Id$
|
|
/////////////////////////////////////////////////////////////////////////
|
|
//
|
|
// Copyright (C) 2001-2014 The Bochs Project
|
|
//
|
|
// This library is free software; you can redistribute it and/or
|
|
// modify it under the terms of the GNU Lesser General Public
|
|
// License as published by the Free Software Foundation; either
|
|
// version 2 of the License, or (at your option) any later version.
|
|
//
|
|
// This library 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
|
|
// Lesser General Public License for more details.
|
|
//
|
|
// You should have received a copy of the GNU Lesser General Public
|
|
// License along with this library; if not, write to the Free Software
|
|
// Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
|
|
|
|
#include <sys/types.h>
|
|
#include <sys/stat.h>
|
|
#include <fcntl.h>
|
|
#include <stdlib.h>
|
|
#include <stdio.h>
|
|
#include <unistd.h>
|
|
|
|
|
|
unsigned char bios[65536];
|
|
|
|
int
|
|
main(int argc, char *argv[])
|
|
{
|
|
int bios_file;
|
|
FILE * org_file;
|
|
unsigned org, last_org, offset;
|
|
int retval;
|
|
unsigned int to_read, index;
|
|
double elements, ratio;
|
|
|
|
if (argc !=3 ) {
|
|
fprintf(stderr, "Usage: usage bios-file org-file\n");
|
|
exit(1);
|
|
}
|
|
|
|
bios_file = open(argv[1], O_RDONLY);
|
|
org_file = fopen(argv[2], "r");
|
|
|
|
if ( (bios_file<0) | (org_file==NULL) ) {
|
|
fprintf(stderr, "problems opening files.\n");
|
|
exit(1);
|
|
}
|
|
|
|
printf("files opened OK\n");
|
|
|
|
to_read = 65536;
|
|
index = 0;
|
|
while (to_read > 0) {
|
|
retval = read(bios_file, &bios[index], to_read);
|
|
if (retval <= 0) {
|
|
fprintf(stderr, "problem reading bios file\n");
|
|
exit(1);
|
|
}
|
|
to_read -= retval;
|
|
index += retval;
|
|
}
|
|
printf("bios file read in OK\n");
|
|
|
|
last_org = 0;
|
|
|
|
while (1) {
|
|
retval = fscanf(org_file, "0x%x\n", &org);
|
|
if (retval <= 0) break;
|
|
printf("%04x .. %04x ", last_org, org-1);
|
|
for (offset=org-1; offset>last_org; offset--) {
|
|
if (bios[offset] != 0) break;
|
|
}
|
|
if (offset > last_org) {
|
|
elements = (1.0 + double(offset) - double(last_org));
|
|
}
|
|
else {
|
|
if (bios[last_org] == 0)
|
|
elements = 0.0;
|
|
else
|
|
elements = 1.0;
|
|
}
|
|
|
|
ratio = elements / (double(org) - double(last_org));
|
|
ratio *= 100.0;
|
|
printf("%6.2lf\n", ratio);
|
|
last_org = org;
|
|
}
|
|
}
|