diff options
author | Dave Chapman <dave@dchapman.com> | 2008-10-04 08:46:03 +0000 |
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committer | Dave Chapman <dave@dchapman.com> | 2008-10-04 08:46:03 +0000 |
commit | c6be818212de133da4a51cebcdfee84c6dbae984 (patch) | |
tree | e6e321e0c0437d5a937db7c126be2289f30cb874 /utils/AMS/hacking/extract_fw.c | |
parent | d16fe2d36a0881a1bf4f65b945087a10962ed33a (diff) |
Move mkamsboot into the rbutil/mkamsboot/ directory - no other changes, so this should still work the same as before.
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@18706 a1c6a512-1295-4272-9138-f99709370657
Diffstat (limited to 'utils/AMS/hacking/extract_fw.c')
-rw-r--r-- | utils/AMS/hacking/extract_fw.c | 129 |
1 files changed, 0 insertions, 129 deletions
diff --git a/utils/AMS/hacking/extract_fw.c b/utils/AMS/hacking/extract_fw.c deleted file mode 100644 index e91d1f8de1..0000000000 --- a/utils/AMS/hacking/extract_fw.c +++ /dev/null @@ -1,129 +0,0 @@ -/* - -extract_fw.c - extract the main firmware image from a Sansa V2 (AMS) firmware - file - -Copyright (C) Dave Chapman 2008 - -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, write to the Free Software -Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110, USA - -*/ - - -#include <stdio.h> -#include <stdlib.h> -#include <stdint.h> -#include <sys/types.h> -#include <sys/stat.h> -#include <fcntl.h> -#include <unistd.h> -#include <string.h> - - -/* Win32 compatibility */ -#ifndef O_BINARY -#define O_BINARY 0 -#endif - - -static off_t filesize(int fd) { - struct stat buf; - - if (fstat(fd,&buf) < 0) { - perror("[ERR] Checking filesize of input file"); - return -1; - } else { - return(buf.st_size); - } -} - -static uint32_t get_uint32le(unsigned char* p) -{ - return p[0] | (p[1] << 8) | (p[2] << 16) | (p[3] << 24); -} - -void usage(void) -{ - printf("Usage: extract_fw <firmware file> <output file>\n"); - - exit(1); -} - -int main(int argc, char* argv[]) -{ - char *infile, *outfile; - int fdin, fdout; - off_t len; - uint32_t n; - unsigned char* buf; - uint32_t firmware_size; - - if(argc != 3) { - usage(); - } - - infile = argv[1]; - outfile = argv[2]; - - /* Open the firmware file */ - fdin = open(infile,O_RDONLY|O_BINARY); - - if (fdin < 0) { - fprintf(stderr,"[ERR] Could not open %s for reading\n",infile); - return 1; - } - - if ((len = filesize(fdin)) < 0) - return 1; - - /* We will need no more memory than the total size plus the bootloader size - padded to a boundary */ - if ((buf = malloc(len)) == NULL) { - fprintf(stderr,"[ERR] Could not allocate buffer for input file (%d bytes)\n",(int)len); - return 1; - } - - n = read(fdin, buf, len); - - if (n != (uint32_t)len) { - fprintf(stderr,"[ERR] Could not read firmware file\n"); - return 1; - } - - close(fdin); - - /* Get the firmware size */ - firmware_size = get_uint32le(&buf[0x0c]); - - fdout = open(outfile, O_CREAT|O_TRUNC|O_WRONLY|O_BINARY,0666); - - if (fdout < 0) { - fprintf(stderr,"[ERR] Could not open %s for writing\n",outfile); - return 1; - } - - n = write(fdout, buf + 0x400, firmware_size); - - if (n != (uint32_t)firmware_size) { - fprintf(stderr,"[ERR] Could not write firmware block\n"); - return 1; - } - - /* Clean up */ - close(fdout); - free(buf); - - return 0; -} |