add directory bin-src
This commit is contained in:
53
bin-src/bootset.c
Normal file
53
bin-src/bootset.c
Normal file
@@ -0,0 +1,53 @@
|
||||
/********************************************************/
|
||||
/* Rootset.c - modify Linux bootdisk root device entry */
|
||||
/* - quick Turbo C hack by Iain_Reid@ed.ac.uk */
|
||||
/********************************************************/
|
||||
|
||||
|
||||
#include <stdio.h
|
||||
#include <conio.h>
|
||||
#include <process.h>
|
||||
#include <dos.h>
|
||||
|
||||
void main(int ac, char **av)
|
||||
{
|
||||
char buf[512];
|
||||
|
||||
|
||||
if (ac != 3) {
|
||||
fprintf (stderr, "%s: update Linux bootimage root device details.\n",
|
||||
av[0]);
|
||||
fprintf (stderr, "Usage: %s <Major> <Minor>\n", av[0]);
|
||||
exit (-1);
|
||||
}
|
||||
|
||||
/**************************************************************/
|
||||
/* Don't remove this keypress bit 'cos it gives you a chance */
|
||||
/* to run this program from your dos boot floppy, remove that */
|
||||
/* disk, put your linux boot disk into the same drive, patch */
|
||||
/* in the new root device details and save them. No HD or */
|
||||
/* rawrite required! (v. handy if DOS is dead) */
|
||||
/**************************************************************/
|
||||
|
||||
printf ("Insert Linux boot disk into drive A and press any key\n");
|
||||
getch();
|
||||
|
||||
if (absread (0, 1, 0, &buf) != 0) {
|
||||
perror ("Disk reading problem");
|
||||
exit (-1);
|
||||
}
|
||||
|
||||
printf ("Current rootdevice: Major %d Minor: %d\n", buf[509], buf[508]);
|
||||
|
||||
buf[508] = atoi (av[2]);
|
||||
buf[509] = atoi (av[1]);
|
||||
|
||||
if (abswrite (0, 1, 0, &buf) != 0)
|
||||
{
|
||||
perror ("Disk writing problem");
|
||||
exit (-1);
|
||||
}
|
||||
printf ("New rootdevice: Major %d Minor: %d\n", buf[509], buf[508]);
|
||||
|
||||
exit(0);
|
||||
}
|
||||
Reference in New Issue
Block a user