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-rw-r--r--mtd_debug.c397
1 files changed, 0 insertions, 397 deletions
diff --git a/mtd_debug.c b/mtd_debug.c
deleted file mode 100644
index d6993ce..0000000
--- a/mtd_debug.c
+++ /dev/null
@@ -1,397 +0,0 @@
-/*
- * Copyright (c) 2d3D, Inc.
- * Written by Abraham vd Merwe <abraham@2d3d.co.za>
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- * 3. Neither the name of the author nor the names of other contributors
- * may be used to endorse or promote products derived from this software
- * without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
- * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
- * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
- * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
- * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
- * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-#define PROGRAM_NAME "mtd_debug"
-
-#include <stdio.h>
-#include <stdlib.h>
-#include <errno.h>
-#include <string.h>
-#include <unistd.h>
-#include <sys/ioctl.h>
-#include <sys/types.h>
-#include <sys/stat.h>
-#include <fcntl.h>
-#include <mtd/mtd-user.h>
-#include "common.h"
-
-/*
- * MEMGETINFO
- */
-static int getmeminfo(int fd, struct mtd_info_user *mtd)
-{
- return ioctl(fd, MEMGETINFO, mtd);
-}
-
-/*
- * MEMERASE
- */
-static int memerase(int fd, struct erase_info_user *erase)
-{
- return ioctl(fd, MEMERASE, erase);
-}
-
-/*
- * MEMGETREGIONCOUNT
- * MEMGETREGIONINFO
- */
-static int getregions(int fd, struct region_info_user *regions, int *n)
-{
- int i, err;
- err = ioctl(fd, MEMGETREGIONCOUNT, n);
- if (err)
- return err;
- for (i = 0; i < *n; i++) {
- regions[i].regionindex = i;
- err = ioctl(fd, MEMGETREGIONINFO, &regions[i]);
- if (err)
- return err;
- }
- return 0;
-}
-
-int erase_flash(int fd, u_int32_t offset, u_int32_t bytes)
-{
- int err;
- struct erase_info_user erase;
- erase.start = offset;
- erase.length = bytes;
- err = memerase(fd, &erase);
- if (err < 0) {
- perror("MEMERASE");
- return 1;
- }
- fprintf(stderr, "Erased %d bytes from address 0x%.8x in flash\n", bytes, offset);
- return 0;
-}
-
-void printsize(u_int32_t x)
-{
- int i;
- static const char *flags = "KMGT";
- printf("%u ", x);
- for (i = 0; x >= 1024 && flags[i] != '\0'; i++)
- x /= 1024;
- i--;
- if (i >= 0)
- printf("(%u%c)", x, flags[i]);
-}
-
-int flash_to_file(int fd, off_t offset, size_t len, const char *filename)
-{
- u_int8_t *buf = NULL;
- int outfd, err;
- int size = len * sizeof(u_int8_t);
- int n = len;
-
- if (offset != lseek(fd, offset, SEEK_SET)) {
- perror("lseek()");
- goto err0;
- }
- outfd = creat(filename, 0666);
- if (outfd < 0) {
- perror("creat()");
- goto err1;
- }
-
-retry:
- if ((buf = (u_int8_t *) malloc(size)) == NULL) {
-#define BUF_SIZE (64 * 1024 * sizeof(u_int8_t))
- fprintf(stderr, "%s: malloc(%#x)\n", __func__, size);
- if (size != BUF_SIZE) {
- size = BUF_SIZE;
- fprintf(stderr, "%s: trying buffer size %#x\n", __func__, size);
- goto retry;
- }
- perror("malloc()");
- goto err0;
- }
- do {
- if (n <= size)
- size = n;
- err = read(fd, buf, size);
- if (err < 0) {
- fprintf(stderr, "%s: read, size %#x, n %#x\n", __func__, size, n);
- perror("read()");
- goto err2;
- }
- err = write(outfd, buf, size);
- if (err < 0) {
- fprintf(stderr, "%s: write, size %#x, n %#x\n", __func__, size, n);
- perror("write()");
- goto err2;
- }
- if (err != size) {
- fprintf(stderr, "Couldn't copy entire buffer to %s. (%d/%d bytes copied)\n", filename, err, size);
- goto err2;
- }
- n -= size;
- } while (n > 0);
-
- if (buf != NULL)
- free(buf);
- close(outfd);
- printf("Copied %zu bytes from address 0x%.8"PRIxoff_t" in flash to %s\n", len, offset, filename);
- return 0;
-
-err2:
- close(outfd);
-err1:
- if (buf != NULL)
- free(buf);
-err0:
- return 1;
-}
-
-int file_to_flash(int fd, off_t offset, u_int32_t len, const char *filename)
-{
- u_int8_t *buf = NULL;
- FILE *fp;
- int err;
- int size = len * sizeof(u_int8_t);
- int n = len;
-
- if (offset != lseek(fd, offset, SEEK_SET)) {
- perror("lseek()");
- return 1;
- }
- if ((fp = fopen(filename, "r")) == NULL) {
- perror("fopen()");
- return 1;
- }
-retry:
- if ((buf = (u_int8_t *) malloc(size)) == NULL) {
- fprintf(stderr, "%s: malloc(%#x) failed\n", __func__, size);
- if (size != BUF_SIZE) {
- size = BUF_SIZE;
- fprintf(stderr, "%s: trying buffer size %#x\n", __func__, size);
- goto retry;
- }
- perror("malloc()");
- fclose(fp);
- return 1;
- }
- do {
- if (n <= size)
- size = n;
- if (fread(buf, size, 1, fp) != 1 || ferror(fp)) {
- fprintf(stderr, "%s: fread, size %#x, n %#x\n", __func__, size, n);
- perror("fread()");
- free(buf);
- fclose(fp);
- return 1;
- }
- err = write(fd, buf, size);
- if (err < 0) {
- fprintf(stderr, "%s: write, size %#x, n %#x\n", __func__, size, n);
- perror("write()");
- free(buf);
- fclose(fp);
- return 1;
- }
- n -= size;
- } while (n > 0);
-
- if (buf != NULL)
- free(buf);
- fclose(fp);
- printf("Copied %d bytes from %s to address 0x%.8"PRIxoff_t" in flash\n", len, filename, offset);
- return 0;
-}
-
-int showinfo(int fd)
-{
- int i, err, n;
- struct mtd_info_user mtd;
- static struct region_info_user region[1024];
-
- err = getmeminfo(fd, &mtd);
- if (err < 0) {
- perror("MEMGETINFO");
- return 1;
- }
-
- err = getregions(fd, region, &n);
- if (err < 0) {
- perror("MEMGETREGIONCOUNT");
- return 1;
- }
-
- printf("mtd.type = ");
- switch (mtd.type) {
- case MTD_ABSENT:
- printf("MTD_ABSENT");
- break;
- case MTD_RAM:
- printf("MTD_RAM");
- break;
- case MTD_ROM:
- printf("MTD_ROM");
- break;
- case MTD_NORFLASH:
- printf("MTD_NORFLASH");
- break;
- case MTD_NANDFLASH:
- printf("MTD_NANDFLASH");
- break;
- case MTD_MLCNANDFLASH:
- printf("MTD_MLCNANDFLASH");
- break;
- case MTD_DATAFLASH:
- printf("MTD_DATAFLASH");
- break;
- case MTD_UBIVOLUME:
- printf("MTD_UBIVOLUME");
- default:
- printf("(unknown type - new MTD API maybe?)");
- }
-
- printf("\nmtd.flags = ");
- if (mtd.flags == MTD_CAP_ROM)
- printf("MTD_CAP_ROM");
- else if (mtd.flags == MTD_CAP_RAM)
- printf("MTD_CAP_RAM");
- else if (mtd.flags == MTD_CAP_NORFLASH)
- printf("MTD_CAP_NORFLASH");
- else if (mtd.flags == MTD_CAP_NANDFLASH)
- printf("MTD_CAP_NANDFLASH");
- else if (mtd.flags == MTD_WRITEABLE)
- printf("MTD_WRITEABLE");
- else {
- int first = 1;
- static struct {
- const char *name;
- int value;
- } flags[] =
- {
- { "MTD_WRITEABLE", MTD_WRITEABLE },
- { "MTD_BIT_WRITEABLE", MTD_BIT_WRITEABLE },
- { "MTD_NO_ERASE", MTD_NO_ERASE },
- { "MTD_POWERUP_LOCK", MTD_POWERUP_LOCK },
- { NULL, -1 }
- };
- for (i = 0; flags[i].name != NULL; i++) {
- if (mtd.flags & flags[i].value) {
- if (first) {
- printf("%s", flags[i].name);
- first = 0;
- } else {
- printf(" | %s", flags[i].name);
- }
- }
- }
- }
-
- printf("\nmtd.size = ");
- printsize(mtd.size);
-
- printf("\nmtd.erasesize = ");
- printsize(mtd.erasesize);
-
- printf("\nmtd.writesize = ");
- printsize(mtd.writesize);
-
- printf("\nmtd.oobsize = ");
- printsize(mtd.oobsize);
-
- printf("\nregions = %d\n\n", n);
-
- for (i = 0; i < n; i++) {
- printf("region[%d].offset = 0x%.8x\n"
- "region[%d].erasesize = ",
- i, region[i].offset, i);
- printsize(region[i].erasesize);
- printf("\nregion[%d].numblocks = %d\n"
- "region[%d].regionindex = %d\n",
- i, region[i].numblocks,
- i, region[i].regionindex);
- }
- return 0;
-}
-
-void showusage(void)
-{
- fprintf(stderr, "usage: %1$s info <device>\n"
- " %1$s read <device> <offset> <len> <dest-filename>\n"
- " %1$s write <device> <offset> <len> <source-filename>\n"
- " %1$s erase <device> <offset> <len>\n",
- PROGRAM_NAME);
- exit(EXIT_FAILURE);
-}
-
-int main(int argc, char *argv[])
-{
- int err = 0, fd;
- int open_flag;
-
- enum {
- OPT_INFO,
- OPT_READ,
- OPT_WRITE,
- OPT_ERASE
- } option = OPT_INFO;
-
- /* parse command-line options */
- if (argc == 3 && !strcmp(argv[1], "info"))
- option = OPT_INFO;
- else if (argc == 6 && !strcmp(argv[1], "read"))
- option = OPT_READ;
- else if (argc == 6 && !strcmp(argv[1], "write"))
- option = OPT_WRITE;
- else if (argc == 5 && !strcmp(argv[1], "erase"))
- option = OPT_ERASE;
- else
- showusage();
-
- /* open device */
- open_flag = (option == OPT_INFO || option == OPT_READ) ? O_RDONLY : O_RDWR;
- if ((fd = open(argv[2], O_SYNC | open_flag)) < 0)
- errmsg_die("open()");
-
- switch (option) {
- case OPT_INFO:
- showinfo(fd);
- break;
- case OPT_READ:
- err = flash_to_file(fd, strtoll(argv[3], NULL, 0), strtoul(argv[4], NULL, 0), argv[5]);
- break;
- case OPT_WRITE:
- err = file_to_flash(fd, strtoll(argv[3], NULL, 0), strtoul(argv[4], NULL, 0), argv[5]);
- break;
- case OPT_ERASE:
- err = erase_flash(fd, strtoul(argv[3], NULL, 0), strtoul(argv[4], NULL, 0));
- break;
- }
-
- /* close device */
- if (close(fd) < 0)
- errmsg_die("close()");
-
- return err;
-}
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