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#include <fcntl.h>
#include <stdio.h>
#include <string.h>
#include <sys/stat.h>
#include <sys/types.h>
#include <unistd.h>
#include <errno.h>
#include <stdlib.h>
int main(argc, argv)
int argc;
char ** argv;
{
int val;
char buf[512], *dev;
int file, floppy;
if (argc < 3 ) {
perror("usage: copy path_to_bootloader path_to_os [path_to_device]\n");
exit(1);
}
if (argc >= 4) {
dev = argv[3];
} else {
dev = "/dev/fd0";
}
memset(buf, 0, 512);
floppy = open(dev, O_RDWR);
if (file < 0) {
perror("Could not open floppy: ");
exit(1);
}
/******************************
* Write Bootloader to Floppy *
******************************/
file = open(argv[1], O_RDONLY);
if (file < 0) {
perror("Could not open bootloader: ");
exit(1);
}
val = read(file, buf, 510);
close(file);
if (val < 0) {
perror("Could not read bootloader: ");
exit(1);
}
buf[510] = 0x55;
buf[511] = 0xaa;
lseek(floppy, 0, SEEK_CUR);
val = write(floppy, buf, 512);
if (val < 0) {
perror("Error writing to floppy: ");
close(floppy);
exit(1);
}
/**********************
* Write OS to Floppy *
**********************/
file = open(argv[2], O_RDONLY);
if (file < 0) {
perror("Could not open os: ");
exit(1);
}
val = read(file, buf, 512);
close(file);
if (val < 0) {
perror("Could not read os: ");
exit(1);
}
val = write(floppy, buf, 512);
if (val < 0) {
perror("Error writing to floppy: ");
close(floppy);
exit(1);
}
syncfs(floppy);
close(floppy);
printf("Floppy successfully copied!\n");
return 0;
}
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