mirror of https://github.com/mpv-player/mpv
50 lines
1.2 KiB
C
50 lines
1.2 KiB
C
/*
|
|
bios2dump.c - Was designed to dump memory block to file.
|
|
Usage: as argument requires absolute address of memory dump and its lenght
|
|
(int hexadecimal form).
|
|
as output - will write file which will named: memADDR_LEN.dump
|
|
where: ADDR - given address of memory
|
|
LEN - given length of memory
|
|
Licence: GNU GPL v2
|
|
Copyright: Nick Kurshev <nickols_k@mail.ru>
|
|
*/
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
|
|
int main( int argc, char *argv[])
|
|
{
|
|
FILE * fd_mem, *fd_out;
|
|
unsigned long i,addr,len;
|
|
int int_no;
|
|
char outname[80];
|
|
unsigned char ch;
|
|
if(argc < 3)
|
|
{
|
|
printf("Usage: %s address length (in hex)\n",argv[0]);
|
|
return EXIT_FAILURE;
|
|
}
|
|
addr = strtol(argv[1],NULL,16);
|
|
len = strtol(argv[2],NULL,16);
|
|
if(!(fd_mem = fopen("/dev/mem","rb")))
|
|
{
|
|
perror("Can't open file - /dev/mem");
|
|
return EXIT_FAILURE;
|
|
}
|
|
sprintf(outname,"mem%08X_%08X.dump",addr,len);
|
|
if(!(fd_out = fopen(outname,"wb")))
|
|
{
|
|
perror("Can't open output file");
|
|
fclose(fd_mem);
|
|
return EXIT_FAILURE;
|
|
}
|
|
fseek(fd_mem,addr,SEEK_SET);
|
|
for(i=0;i<len;i++)
|
|
{
|
|
fread(&ch,1,1,fd_mem);
|
|
fwrite(&ch,1,1,fd_out);
|
|
}
|
|
fclose(fd_out);
|
|
fclose(fd_mem);
|
|
return EXIT_SUCCESS;
|
|
}
|