From 9b305384e499a08d7918f042647d892257d8d733 Mon Sep 17 00:00:00 2001 From: Felix Fietkau Date: Wed, 31 May 2006 12:33:06 +0000 Subject: allow building of kernel-specific stuff in package/ instead of target/linux/package/ and merge target/linux/package/base-files into package/base-files git-svn-id: svn://svn.openwrt.org/openwrt/branches/buildroot-ng/openwrt@3855 3c298f89-4303-0410-b956-a3cf2f4a3e73 --- target/linux/package/base-files/src/jffs2root.c | 133 ------------------------ 1 file changed, 133 deletions(-) delete mode 100644 target/linux/package/base-files/src/jffs2root.c (limited to 'target/linux/package/base-files/src/jffs2root.c') diff --git a/target/linux/package/base-files/src/jffs2root.c b/target/linux/package/base-files/src/jffs2root.c deleted file mode 100644 index 14662fc945..0000000000 --- a/target/linux/package/base-files/src/jffs2root.c +++ /dev/null @@ -1,133 +0,0 @@ -/* - * jffs2root.c - * - * Copyright (C) 2005 Mike Baker - * - * 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. - * - * $Id$ - * - */ - -#include -#include -#include -#include -#include -#include -#include -#include - -#include -#include - -#define FILENAME "/dev/mtdblock/1" - -struct trx_header { - unsigned magic; /* "HDR0" */ - unsigned len; /* Length of file including header */ - unsigned crc32; /* 32-bit CRC from flag_version to end of file */ - unsigned flag_version; /* 0:15 flags, 16:31 version */ - unsigned offsets[3]; /* Offsets of partitions from start of header */ -}; - -unsigned long *crc32; - -void init_crc32() -{ - unsigned long crc; - unsigned long poly = 0xEDB88320L; - int n, bit; - if ((crc32 = (unsigned long *) malloc(256 * sizeof(unsigned long))) == (void *)-1) { - perror("malloc"); - exit(1); - } - for (n = 0; n < 256; n++) { - crc = (unsigned long) n; - for (bit = 0; bit < 8; bit++) - crc = (crc & 1) ? (poly ^ (crc >> 1)) : (crc >> 1); - crc32[n] = crc; - } -} - -unsigned int crc32buf(char *buf, size_t len) -{ - unsigned int crc = 0xFFFFFFFF; - for (; len; len--, buf++) - crc = crc32[(crc ^ *buf) & 0xff] ^ (crc >> 8); - return crc; -} - -int main(int argc, char **argv) -{ - int fd; - struct mtd_info_user mtdInfo; - unsigned long len; - struct trx_header *ptr; - char *buf; - - if (((fd = open(FILENAME, O_RDWR)) < 0) - || ((len = lseek(fd, 0, SEEK_END)) < 0) - || ((ptr = (struct trx_header *) mmap(0, len, PROT_READ|PROT_WRITE, MAP_SHARED, fd, 0)) == (void *) (-1)) - || (ptr->magic != 0x30524448)) { - printf("Error reading trx info\n"); - exit(-1); - } - close (fd); - - if (((fd = open("/dev/mtd/1", O_RDWR)) < 0) - || (ioctl(fd, MEMGETINFO, &mtdInfo))) { - fprintf(stderr, "Could not get MTD device info from %s\n", FILENAME); - close(fd); - exit(1); - } - close(fd); - - if (argc > 1 && !strcmp(argv[1],"--move")) { - if (ptr->offsets[2] >= ptr->len) { - printf("Partition already moved outside trx\n"); - } else { - init_crc32(); - ptr->offsets[2] += (mtdInfo.erasesize - 1); - ptr->offsets[2] &= ~(mtdInfo.erasesize - 1); - ptr->len = ptr->offsets[2]; - ptr->crc32 = crc32buf((void *) &(ptr->flag_version), ptr->len - offsetof(struct trx_header, flag_version)); - msync(ptr,sizeof(struct trx_header),MS_SYNC|MS_INVALIDATE); - printf("Partition moved; please reboot\n"); - } - } else if (argc > 1 && !strcmp(argv[1], "--clean")) { - buf = (char *) ptr; - if (buf[ptr->offsets[1] - 1] == 0) { - init_crc32(); - buf[ptr->offsets[1] - 1] = 1; - ptr->crc32 = crc32buf((void *) &(ptr->flag_version), ptr->len - offsetof(struct trx_header, flag_version)); - msync(ptr,sizeof(struct trx_header),MS_SYNC|MS_INVALIDATE); - printf("Partition marked as clean\n"); - } - } else { - int x; - printf(" erase: 0x%08x\n",mtdInfo.erasesize); - printf("=== trx ===\n"); - printf("mapped: 0x%08x\n", (unsigned)ptr); - printf(" magic: 0x%08x\n", ptr->magic); - printf(" len: 0x%08x\n", ptr->len); - printf(" crc: 0x%08x\n", ptr->crc32); - for (x = 0; x < 3; x++) - printf(" offset[%d]: 0x%08x\n", x, ptr->offsets[x]); - } - - munmap((void *) ptr, len); - return 0; -} -- cgit v1.2.3