48 lines
1.2 KiB
C
48 lines
1.2 KiB
C
/*
|
|
* Copyright (C) 2015 Olliver Schinagl <oliver@schinagl.nl>
|
|
*
|
|
* This program is free software: you can redistribute it and/or modify
|
|
* it under the terms of the GNU General Public License as published by
|
|
* the Free Software Foundation, either version 2 of the License, or
|
|
* (at your option) any later version.
|
|
*
|
|
* This program 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 General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License
|
|
* along with this program. If not, see <http://www.gnu.org/licenses/>.
|
|
*/
|
|
|
|
#include <fcntl.h>
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
#include <sys/mman.h>
|
|
#include <sys/stat.h>
|
|
#include <sys/types.h>
|
|
|
|
#define SCRIPT_START 0x43000000
|
|
#define SCRIPT_SIZE 0x20000
|
|
|
|
int main(int argc, char *argv[]) {
|
|
char *addr;
|
|
int fd;
|
|
int i;
|
|
int size;
|
|
|
|
fd = open("/dev/mem", O_RDONLY);
|
|
|
|
size = SCRIPT_SIZE;
|
|
if (argc)
|
|
size = atoi(argv[1]);
|
|
|
|
addr = (char *)mmap(NULL, size, PROT_READ, MAP_SHARED, fd, SCRIPT_START);
|
|
for (i = 0; i < SCRIPT_SIZE; i++)
|
|
putchar(addr[i]);
|
|
munmap(NULL, SCRIPT_SIZE);
|
|
close(fd);
|
|
|
|
return 0;
|
|
}
|