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author | Felix Fietkau <nbd@openwrt.org> | 2006-11-22 23:27:29 +0000 |
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committer | Felix Fietkau <nbd@openwrt.org> | 2006-11-22 23:27:29 +0000 |
commit | 0cbe723631eed7e541483592d16b6d125c846674 (patch) | |
tree | dc8d648372e516e754590075b43f0dba98df8546 /target/linux/ar7-2.4/src/adam2patcher.c | |
parent | 36dbcb9b377d3b3576ff081f229dd437e84a92bf (diff) | |
download | master-187ad058-0cbe723631eed7e541483592d16b6d125c846674.tar.gz master-187ad058-0cbe723631eed7e541483592d16b6d125c846674.tar.bz2 master-187ad058-0cbe723631eed7e541483592d16b6d125c846674.zip |
move platform specific base-files into target/linux/<targetname>
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@5621 3c298f89-4303-0410-b956-a3cf2f4a3e73
Diffstat (limited to 'target/linux/ar7-2.4/src/adam2patcher.c')
-rw-r--r-- | target/linux/ar7-2.4/src/adam2patcher.c | 59 |
1 files changed, 59 insertions, 0 deletions
diff --git a/target/linux/ar7-2.4/src/adam2patcher.c b/target/linux/ar7-2.4/src/adam2patcher.c new file mode 100644 index 0000000000..25a78074a6 --- /dev/null +++ b/target/linux/ar7-2.4/src/adam2patcher.c @@ -0,0 +1,59 @@ +/* + * patcher.c - ADAM2 patcher for Netgear DG834 (and compatible) + * + * Copyright (C) 2006 Felix Fietkau + * + * 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. + */ + +#include <stdio.h> +#include <stdlib.h> +#include <stddef.h> +#include <unistd.h> +#include <fcntl.h> +#include <stdint.h> +#include <sys/mman.h> +#include <sys/stat.h> +#include <string.h> + +#include <sys/ioctl.h> + +int main(int argc, char **argv) +{ + int fd; + char *ptr; + uint32_t *i; + + if (argc != 2) { + fprintf(stderr, "Usage: %s <filename>\n", argv[0]); + exit(1); + } + + if (((fd = open(argv[1], O_RDWR)) < 0) + || ((ptr = mmap(0, 128 * 1024, PROT_READ|PROT_WRITE, MAP_SHARED, fd, 0)) == (void *) (-1))) { + fprintf(stderr, "Can't open file\n"); + exit(1); + } + + i = (uint32_t *) &ptr[0x3944]; + if (*i == 0x0c000944) { + fprintf(stderr, "Unpatched ADAM2 detected. Patching... "); + *i = 0x00000000; + msync(i, sizeof(*i), MS_SYNC|MS_INVALIDATE); + fprintf(stderr, "done!\n"); + } else if (*i == 0x00000000) { + fprintf(stderr, "Patched ADAM2 detected.\n"); + } else { + fprintf(stderr, "Unknown ADAM2 detected. Can't patch!\n"); + } + + close(fd); +} |