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-rw-r--r--package/mtd/src/trx.c220
1 files changed, 0 insertions, 220 deletions
diff --git a/package/mtd/src/trx.c b/package/mtd/src/trx.c
deleted file mode 100644
index 65c24404c2..0000000000
--- a/package/mtd/src/trx.c
+++ /dev/null
@@ -1,220 +0,0 @@
-/*
- * trx.c
- *
- * Copyright (C) 2005 Mike Baker
- * Copyright (C) 2008 Felix Fietkau <nbd@openwrt.org>
- *
- * 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.
- */
-
-#include <stdio.h>
-#include <stdlib.h>
-#include <stddef.h>
-#include <unistd.h>
-#include <fcntl.h>
-#include <sys/mman.h>
-#include <sys/stat.h>
-#include <string.h>
-#include <errno.h>
-
-#include <sys/ioctl.h>
-#include <mtd/mtd-user.h>
-#include "mtd.h"
-#include "crc32.h"
-
-#define TRX_MAGIC 0x30524448 /* "HDR0" */
-struct trx_header {
- uint32_t magic; /* "HDR0" */
- uint32_t len; /* Length of file including header */
- uint32_t crc32; /* 32-bit CRC from flag_version to end of file */
- uint32_t flag_version; /* 0:15 flags, 16:31 version */
- uint32_t offsets[3]; /* Offsets of partitions from start of header */
-};
-
-#if __BYTE_ORDER == __BIG_ENDIAN
-#define STORE32_LE(X) ((((X) & 0x000000FF) << 24) | (((X) & 0x0000FF00) << 8) | (((X) & 0x00FF0000) >> 8) | (((X) & 0xFF000000) >> 24))
-#elif __BYTE_ORDER == __LITTLE_ENDIAN
-#define STORE32_LE(X) (X)
-#else
-#error unknown endianness!
-#endif
-
-ssize_t pread(int fd, void *buf, size_t count, off_t offset);
-ssize_t pwrite(int fd, const void *buf, size_t count, off_t offset);
-
-int
-trx_fixup(int fd, const char *name)
-{
- struct mtd_info_user mtdInfo;
- unsigned long len;
- struct trx_header *trx;
- void *ptr, *scan;
- int bfd;
-
- if (ioctl(fd, MEMGETINFO, &mtdInfo) < 0) {
- fprintf(stderr, "Failed to get mtd info\n");
- goto err;
- }
-
- len = mtdInfo.size;
- if (mtdInfo.size <= 0) {
- fprintf(stderr, "Invalid MTD device size\n");
- goto err;
- }
-
- bfd = mtd_open(name, true);
- ptr = mmap(NULL, len, PROT_READ|PROT_WRITE, MAP_SHARED, bfd, 0);
- if (!ptr || (ptr == (void *) -1)) {
- perror("mmap");
- goto err1;
- }
-
- trx = ptr;
- if (trx->magic != TRX_MAGIC) {
- fprintf(stderr, "TRX header not found\n");
- goto err;
- }
-
- scan = ptr + offsetof(struct trx_header, flag_version);
- trx->crc32 = crc32buf(scan, trx->len - (scan - ptr));
- msync(ptr, sizeof(struct trx_header), MS_SYNC|MS_INVALIDATE);
- munmap(ptr, len);
- close(bfd);
- return 0;
-
-err1:
- close(bfd);
-err:
- fprintf(stderr, "Error fixing up TRX header\n");
- return -1;
-}
-
-int
-trx_check(int imagefd, const char *mtd, char *buf, int *len)
-{
- const struct trx_header *trx = (const struct trx_header *) buf;
- int fd;
-
- if (strcmp(mtd, "linux") != 0)
- return 1;
-
- *len = read(imagefd, buf, 32);
- if (*len < 32) {
- fprintf(stdout, "Could not get image header, file too small (%d bytes)\n", *len);
- return 0;
- }
-
- if (trx->magic != TRX_MAGIC || trx->len < sizeof(struct trx_header)) {
- if (quiet < 2) {
- fprintf(stderr, "Bad trx header\n");
- fprintf(stderr, "This is not the correct file format; refusing to flash.\n"
- "Please specify the correct file or use -f to force.\n");
- }
- return 0;
- }
-
- /* check if image fits to mtd device */
- fd = mtd_check_open(mtd);
- if(fd < 0) {
- fprintf(stderr, "Could not open mtd device: %s\n", mtd);
- exit(1);
- }
-
- if(mtdsize < trx->len) {
- fprintf(stderr, "Image too big for partition: %s\n", mtd);
- close(fd);
- return 0;
- }
-
- close(fd);
- return 1;
-}
-
-int
-mtd_fixtrx(const char *mtd, size_t offset)
-{
- int fd;
- struct trx_header *trx;
- char *buf;
- ssize_t res;
- size_t block_offset;
-
- if (quiet < 2)
- fprintf(stderr, "Trying to fix trx header in %s at 0x%x...\n", mtd, offset);
-
- fd = mtd_check_open(mtd);
- if(fd < 0) {
- fprintf(stderr, "Could not open mtd device: %s\n", mtd);
- exit(1);
- }
-
- block_offset = offset & ~(erasesize - 1);
- offset -= block_offset;
-
- if (block_offset + erasesize > mtdsize) {
- fprintf(stderr, "Offset too large, device size 0x%x\n", mtdsize);
- exit(1);
- }
-
- buf = malloc(erasesize);
- if (!buf) {
- perror("malloc");
- exit(1);
- }
-
- res = pread(fd, buf, erasesize, block_offset);
- if (res != erasesize) {
- perror("pread");
- exit(1);
- }
-
- trx = (struct trx_header *) (buf + offset);
- if (trx->magic != STORE32_LE(0x30524448)) {
- fprintf(stderr, "No trx magic found\n");
- exit(1);
- }
-
- if (trx->len == STORE32_LE(erasesize - offset)) {
- if (quiet < 2)
- fprintf(stderr, "Header already fixed, exiting\n");
- close(fd);
- return 0;
- }
-
- trx->len = STORE32_LE(erasesize - offset);
-
- trx->crc32 = STORE32_LE(crc32buf((char*) &trx->flag_version, erasesize - offset - 3*4));
- if (mtd_erase_block(fd, block_offset)) {
- fprintf(stderr, "Can't erease block at 0x%x (%s)\n", block_offset, strerror(errno));
- exit(1);
- }
-
- if (quiet < 2)
- fprintf(stderr, "New crc32: 0x%x, rewriting block\n", trx->crc32);
-
- if (pwrite(fd, buf, erasesize, block_offset) != erasesize) {
- fprintf(stderr, "Error writing block (%s)\n", strerror(errno));
- exit(1);
- }
-
- if (quiet < 2)
- fprintf(stderr, "Done.\n");
-
- close (fd);
- sync();
- return 0;
-
-}
-