add a package for the badblocks utility (closes: #3404)

[openwrt.git] / package / mtd / src / mtd.c

diff --git a/package/mtd/src/mtd.c b/package/mtd/src/mtd.c
index 559b937..f3a13ef 100644 (file)
--- a/package/mtd/src/mtd.c
+++ b/package/mtd/src/mtd.c
@@ -28,19 +28,23 @@
 #include <stdlib.h>
 #include <stdio.h>
 #include <stdint.h>
 #include <stdlib.h>
 #include <stdio.h>
 #include <stdint.h>

+#include <signal.h>
+#include <sys/ioctl.h>
+#include <sys/syscall.h>

 #include <fcntl.h>
 #include <errno.h>
 #include <error.h>
 #include <time.h>
 #include <fcntl.h>
 #include <errno.h>
 #include <error.h>
 #include <time.h>

+#include <string.h>

 #include <sys/ioctl.h>
 #include <sys/types.h>
 #include <sys/param.h>
 #include <sys/mount.h>
 #include <sys/stat.h>
 #include <sys/reboot.h>
 #include <sys/ioctl.h>
 #include <sys/types.h>
 #include <sys/param.h>
 #include <sys/mount.h>
 #include <sys/stat.h>
 #include <sys/reboot.h>

-#include <string.h>
+#include <linux/reboot.h>

 
 

-#include <linux/mtd/mtd.h>
+#include "mtd-api.h"

 
 #define TRX_MAGIC       0x30524448      /* "HDR0" */
 #define BUFSIZE (16 * 1024)
 
 #define TRX_MAGIC       0x30524448      /* "HDR0" */
 #define BUFSIZE (16 * 1024)


@@ -48,6 +52,8 @@
 
 #define DEBUG
 
 
 #define DEBUG
 

+#define JFFS2_DEFAULT_DIR      "" /* directory name without /, empty means root dir */
+

 #define SYSTYPE_UNKNOWN     0
 #define SYSTYPE_BROADCOM    1
 /* to be continued */
 #define SYSTYPE_UNKNOWN     0
 #define SYSTYPE_BROADCOM    1
 /* to be continued */


@@ -60,16 +66,86 @@ struct trx_header {
        uint32_t offsets[3];    /* Offsets of partitions from start of header */
 };
 
        uint32_t offsets[3];    /* Offsets of partitions from start of header */
 };
 

-char buf[BUFSIZE];
-int buflen;
+static char buf[BUFSIZE];
+static char *imagefile;
+static int buflen;

 int quiet;
 int quiet;

+int mtdsize = 0;
+int erasesize = 0;
+
+int mtd_open(const char *mtd)
+{
+       FILE *fp;
+       char dev[PATH_MAX];
+       int i;
+       int ret;
+       int flags = O_RDWR | O_SYNC;
+
+       if ((fp = fopen("/proc/mtd", "r"))) {
+               while (fgets(dev, sizeof(dev), fp)) {
+                       if (sscanf(dev, "mtd%d:", &i) && strstr(dev, mtd)) {
+                               snprintf(dev, sizeof(dev), "/dev/mtd/%d", i);
+                               if ((ret=open(dev, flags))<0) {
+                                       snprintf(dev, sizeof(dev), "/dev/mtd%d", i);
+                                       ret=open(dev, flags);
+                               }
+                               fclose(fp);
+                               return ret;
+                       }
+               }
+               fclose(fp);
+       }
+
+       return open(mtd, flags);
+}
+
+int mtd_check_open(const char *mtd)
+{
+       struct mtd_info_user mtdInfo;
+       int fd;
+
+       fd = mtd_open(mtd);
+       if(fd < 0) {
+               fprintf(stderr, "Could not open mtd device: %s\n", mtd);
+               return 0;
+       }
+
+       if(ioctl(fd, MEMGETINFO, &mtdInfo)) {
+               fprintf(stderr, "Could not get MTD device info from %s\n", mtd);
+               close(fd);
+               return 0;
+       }
+       mtdsize = mtdInfo.size;
+       erasesize = mtdInfo.erasesize;
+
+       return fd;
+}
+
+int mtd_erase_block(int fd, int offset)
+{
+       struct erase_info_user mtdEraseInfo;
+
+       mtdEraseInfo.start = offset;
+       mtdEraseInfo.length = erasesize;
+       ioctl(fd, MEMUNLOCK, &mtdEraseInfo);
+       if (ioctl (fd, MEMERASE, &mtdEraseInfo) < 0) {
+               fprintf(stderr, "Erasing mtd failed.\n");
+               exit(1);
+       }
+}
+
+int mtd_write_buffer(int fd, char *buf, int offset, int length)
+{
+       lseek(fd, offset, SEEK_SET);
+       write(fd, buf, length);
+}
+

 
 #ifdef target_brcm
 
 #ifdef target_brcm

-int
+static int

 image_check_brcm(int imagefd, const char *mtd)
 {
        struct trx_header *trx = (struct trx_header *) buf;
 image_check_brcm(int imagefd, const char *mtd)
 {
        struct trx_header *trx = (struct trx_header *) buf;

-       struct mtd_info_user mtdInfo;

        int fd;
 
        if (strcmp(mtd, "linux") != 0)
        int fd;
 
        if (strcmp(mtd, "linux") != 0)


@@ -81,39 +157,23 @@ image_check_brcm(int imagefd, const char *mtd)
                return 0;
        }
 
                return 0;
        }
 

-       switch(trx->magic) {
-               case 0x47343557: /* W54G */
-               case 0x53343557: /* W54S */
-               case 0x73343557: /* W54s */
-               case 0x46343557: /* W54F */
-               case 0x55343557: /* W54U */
-                       /* ignore the first 32 bytes */
-                       buflen = read(imagefd, buf, sizeof(struct trx_header));
-                       break;
-       }
-       

        if (trx->magic != TRX_MAGIC || trx->len < sizeof(struct trx_header)) {
                if (quiet < 2) {
                        fprintf(stderr, "Bad trx header\n");
        if (trx->magic != TRX_MAGIC || trx->len < sizeof(struct trx_header)) {
                if (quiet < 2) {
                        fprintf(stderr, "Bad trx header\n");

-                       fprintf(stderr, "If this is a firmware in bin format, like some of the\n"
-                                       "original firmware files are, you need to convert it to trx.\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 */
                }
                return 0;
        }
 
        /* check if image fits to mtd device */

-       fd = mtd_open(mtd, O_RDWR | O_SYNC);
+       fd = mtd_check_open(mtd);

        if(fd < 0) {
                fprintf(stderr, "Could not open mtd device: %s\n", mtd);
                exit(1);
        }
 
        if(fd < 0) {
                fprintf(stderr, "Could not open mtd device: %s\n", mtd);
                exit(1);
        }
 

-       if(ioctl(fd, MEMGETINFO, &mtdInfo)) {
-               fprintf(stderr, "Could not get MTD device info from %s\n", mtd);
-               exit(1);
-       }
-               
-       if(mtdInfo.size < trx->len) {
+       if(mtdsize < trx->len) {

                fprintf(stderr, "Image too big for partition: %s\n", mtd);
                close(fd);
                return 0;
                fprintf(stderr, "Image too big for partition: %s\n", mtd);
                close(fd);
                return 0;


@@ -124,7 +184,7 @@ image_check_brcm(int imagefd, const char *mtd)
 }
 #endif /* target_brcm */
 
 }
 #endif /* target_brcm */
 

-int
+static int

 image_check(int imagefd, const char *mtd)
 {
        int fd, systype;
 image_check(int imagefd, const char *mtd)
 {
        int fd, systype;


@@ -137,48 +197,35 @@ image_check(int imagefd, const char *mtd)
 #endif
 }
 
 #endif
 }
 

-int mtd_check(char *mtd)
+static int mtd_check(const char *mtd)

 {
 {

-       struct mtd_info_user mtdInfo;

        int fd;
 
        int fd;
 

-       fd = mtd_open(mtd, O_RDWR | O_SYNC);
-       if(fd < 0) {
-               fprintf(stderr, "Could not open mtd device: %s\n", mtd);
-               return 0;
-       }
-
-       if(ioctl(fd, MEMGETINFO, &mtdInfo)) {
-               fprintf(stderr, "Could not get MTD device info from %s\n", mtd);
-               close(fd);
+       fd = mtd_check_open(mtd);
+       if (!fd)

                return 0;
                return 0;

-       }

 
        close(fd);
        return 1;
 }
 
 
        close(fd);
        return 1;
 }
 

-int
+static int

 mtd_unlock(const char *mtd)
 {
        int fd;
 mtd_unlock(const char *mtd)
 {
        int fd;

-       struct mtd_info_user mtdInfo;

        struct erase_info_user mtdLockInfo;
 
        struct erase_info_user mtdLockInfo;
 

-       fd = mtd_open(mtd, O_RDWR | O_SYNC);
-       if(fd < 0) {
+       fd = mtd_check_open(mtd);
+       if(fd <= 0) {

                fprintf(stderr, "Could not open mtd device: %s\n", mtd);
                exit(1);
        }
 
                fprintf(stderr, "Could not open mtd device: %s\n", mtd);
                exit(1);
        }
 

-       if(ioctl(fd, MEMGETINFO, &mtdInfo)) {
-               fprintf(stderr, "Could not get MTD device info from %s\n", mtd);
-               close(fd);
-               exit(1);
-       }
+       if (quiet < 2) 
+               fprintf(stderr, "Unlocking %s ...\n", mtd);

 
        mtdLockInfo.start = 0;
 
        mtdLockInfo.start = 0;

-       mtdLockInfo.length = mtdInfo.size;
+       mtdLockInfo.length = mtdsize;

        if(ioctl(fd, MEMUNLOCK, &mtdLockInfo)) {
                close(fd);
                return 0;
        if(ioctl(fd, MEMUNLOCK, &mtdLockInfo)) {
                close(fd);
                return 0;


@@ -188,86 +235,81 @@ mtd_unlock(const char *mtd)
        return 0;
 }
 
        return 0;
 }
 

-int
-mtd_open(const char *mtd, int flags)
+static int
+mtd_erase(const char *mtd)

 {
 {

-       FILE *fp;
-       char dev[PATH_MAX];
-       int i;
+       int fd;
+       struct erase_info_user mtdEraseInfo;

 
 

-       if ((fp = fopen("/proc/mtd", "r"))) {
-               while (fgets(dev, sizeof(dev), fp)) {
-                       if (sscanf(dev, "mtd%d:", &i) && strstr(dev, mtd)) {
-                               snprintf(dev, sizeof(dev), "/dev/mtd/%d", i);
-                               fclose(fp);
-                               return open(dev, flags);
-                       }
-               }
-               fclose(fp);
+       if (quiet < 2)
+               fprintf(stderr, "Erasing %s ...\n", mtd);
+
+       fd = mtd_check_open(mtd);
+       if(fd <= 0) {
+               fprintf(stderr, "Could not open mtd device: %s\n", mtd);
+               exit(1);

        }
 
        }
 

-       return open(mtd, flags);
+       mtdEraseInfo.length = erasesize;
+
+       for (mtdEraseInfo.start = 0;
+                mtdEraseInfo.start < mtdsize;
+                mtdEraseInfo.start += erasesize) {
+               
+               ioctl(fd, MEMUNLOCK, &mtdEraseInfo);
+               if(ioctl(fd, MEMERASE, &mtdEraseInfo))
+                       fprintf(stderr, "Failed to erase block on %s at 0x%x\n", mtd, mtdEraseInfo.start);
+       }               
+
+       close(fd);
+       return 0;
+

 }
 
 }
 

-int
-mtd_erase(const char *mtd)
+static int
+mtd_refresh(const char *mtd)

 {
        int fd;
 {
        int fd;

-       struct mtd_info_user mtdInfo;
-       struct erase_info_user mtdEraseInfo;

 
 

-       fd = mtd_open(mtd, O_RDWR | O_SYNC);
-       if(fd < 0) {
+       if (quiet < 2)
+               fprintf(stderr, "Refreshing mtd partition %s ... ", mtd);
+
+       fd = mtd_check_open(mtd);
+       if(fd <= 0) {

                fprintf(stderr, "Could not open mtd device: %s\n", mtd);
                exit(1);
        }
 
                fprintf(stderr, "Could not open mtd device: %s\n", mtd);
                exit(1);
        }
 

-       if(ioctl(fd, MEMGETINFO, &mtdInfo)) {
-               fprintf(stderr, "Could not get MTD device info from %s\n", mtd);
+       if (ioctl(fd, MTDREFRESH, NULL)) {
+               fprintf(stderr, "Failed to refresh the MTD device\n");

                close(fd);
                exit(1);
        }
                close(fd);
                exit(1);
        }

+       close(fd);

 
 

-       mtdEraseInfo.length = mtdInfo.erasesize;
-
-       for (mtdEraseInfo.start = 0;
-                mtdEraseInfo.start < mtdInfo.size;
-                mtdEraseInfo.start += mtdInfo.erasesize) {
-               
-               ioctl(fd, MEMUNLOCK, &mtdEraseInfo);
-               if(ioctl(fd, MEMERASE, &mtdEraseInfo)) {
-                       fprintf(stderr, "Could not erase MTD device: %s\n", mtd);
-                       close(fd);
-                       exit(1);
-               }
-       }               
+       if (quiet < 2)
+               fprintf(stderr, "\n");

 
 

-       close(fd);

        return 0;
        return 0;

-

 }
 
 }
 

-int
+static int

 mtd_write(int imagefd, const char *mtd)
 {
        int fd, i, result;
        size_t r, w, e;
 mtd_write(int imagefd, const char *mtd)
 {
        int fd, i, result;
        size_t r, w, e;

-       struct mtd_info_user mtdInfo;

        struct erase_info_user mtdEraseInfo;
        int ret = 0;
 
        struct erase_info_user mtdEraseInfo;
        int ret = 0;
 

-       fd = mtd_open(mtd, O_RDWR | O_SYNC);
+       fd = mtd_check_open(mtd);

        if(fd < 0) {
                fprintf(stderr, "Could not open mtd device: %s\n", mtd);
                exit(1);
        }
        if(fd < 0) {
                fprintf(stderr, "Could not open mtd device: %s\n", mtd);
                exit(1);
        }

-
-       if(ioctl(fd, MEMGETINFO, &mtdInfo)) {
-               fprintf(stderr, "Could not get MTD device info from %s\n", mtd);
-               close(fd);
-               exit(1);
-       }

                
                

+       if (quiet < 2)
+               fprintf(stderr, "Writing from %s to %s ... ", imagefile, mtd);
+

        r = w = e = 0;
        if (!quiet)
                fprintf(stderr, " [ ]");
        r = w = e = 0;
        if (!quiet)
                fprintf(stderr, " [ ]");


@@ -283,17 +325,13 @@ mtd_write(int imagefd, const char *mtd)
 
                /* need to erase the next block before writing data to it */
                while (w > e) {
 
                /* need to erase the next block before writing data to it */
                while (w > e) {

-                       mtdEraseInfo.start = e;
-                       mtdEraseInfo.length = mtdInfo.erasesize;
-

                        if (!quiet)
                                fprintf(stderr, "\b\b\b[e]");
                        if (!quiet)
                                fprintf(stderr, "\b\b\b[e]");

+
+                       mtd_erase_block(fd, e);
+

                        /* erase the chunk */
                        /* erase the chunk */

-                       if (ioctl (fd,MEMERASE,&mtdEraseInfo) < 0) {
-                               fprintf(stderr, "Erasing mtd failed: %s\n", mtd);
-                               exit(1);
-                       }
-                       e += mtdInfo.erasesize;
+                       e += erasesize;

                }
                
                if (!quiet)
                }
                
                if (!quiet)


@@ -314,37 +352,60 @@ mtd_write(int imagefd, const char *mtd)
        if (!quiet)
                fprintf(stderr, "\b\b\b\b");
 
        if (!quiet)
                fprintf(stderr, "\b\b\b\b");
 

+       if (quiet < 2)
+               fprintf(stderr, "\n");
+

        close(fd);
        return 0;
 }
 
        close(fd);
        return 0;
 }
 

-void usage(void)
+static void usage(void)

 {
        fprintf(stderr, "Usage: mtd [<options> ...] <command> [<arguments> ...] <device>\n\n"
        "The device is in the format of mtdX (eg: mtd4) or its label.\n"
        "mtd recognizes these commands:\n"
        "        unlock                  unlock the device\n"
 {
        fprintf(stderr, "Usage: mtd [<options> ...] <command> [<arguments> ...] <device>\n\n"
        "The device is in the format of mtdX (eg: mtd4) or its label.\n"
        "mtd recognizes these commands:\n"
        "        unlock                  unlock the device\n"

+       "        refresh                 refresh mtd partition\n"

        "        erase                   erase all data on device\n"
        "        write <imagefile>|-     write <imagefile> (use - for stdin) to device\n"
        "        erase                   erase all data on device\n"
        "        write <imagefile>|-     write <imagefile> (use - for stdin) to device\n"

+       "        jffs2write <file>       append <file> to the jffs2 partition on the device\n"

        "Following options are available:\n"
        "        -q                      quiet mode (once: no [w] on writing,\n"
        "                                           twice: no status messages)\n"
        "        -r                      reboot after successful command\n"
        "        -f                      force write without trx checks\n"
        "Following options are available:\n"
        "        -q                      quiet mode (once: no [w] on writing,\n"
        "                                           twice: no status messages)\n"
        "        -r                      reboot after successful command\n"
        "        -f                      force write without trx checks\n"

-       "        -e <device>             erase <device> before executing the command\n\n"
+       "        -e <device>             erase <device> before executing the command\n"
+       "        -d <name>               directory for jffs2write, defaults to \"tmp\"\n"
+       "\n"

        "Example: To write linux.trx to mtd4 labeled as linux and reboot afterwards\n"
        "         mtd -r write linux.trx linux\n\n");
        exit(1);
 }
 
        "Example: To write linux.trx to mtd4 labeled as linux and reboot afterwards\n"
        "         mtd -r write linux.trx linux\n\n");
        exit(1);
 }
 

+static void do_reboot(void)
+{
+       fprintf(stderr, "Rebooting ...\n");
+       fflush(stderr);
+
+       /* try regular reboot method first */
+       system("/sbin/reboot");
+       sleep(2);
+
+       /* if we're still alive at this point, force the kernel to reboot */
+       syscall(SYS_reboot,LINUX_REBOOT_MAGIC1,LINUX_REBOOT_MAGIC2,LINUX_REBOOT_CMD_RESTART,NULL);
+}
+

 int main (int argc, char **argv)
 {
        int ch, i, boot, unlock, imagefd, force, unlocked;
 int main (int argc, char **argv)
 {
        int ch, i, boot, unlock, imagefd, force, unlocked;

-       char *erase[MAX_ARGS], *device, *imagefile;
+       char *erase[MAX_ARGS], *device;
+       char *jffs2dir = JFFS2_DEFAULT_DIR;

        enum {
                CMD_ERASE,
                CMD_WRITE,
        enum {
                CMD_ERASE,
                CMD_WRITE,

-               CMD_UNLOCK
+               CMD_UNLOCK,
+               CMD_REFRESH,
+               CMD_JFFS2WRITE

        } cmd;
        
        erase[0] = NULL;
        } cmd;
        
        erase[0] = NULL;


@@ -353,7 +414,7 @@ int main (int argc, char **argv)
        buflen = 0;
        quiet = 0;
 
        buflen = 0;
        quiet = 0;
 

-       while ((ch = getopt(argc, argv, "frqe:")) != -1)
+       while ((ch = getopt(argc, argv, "frqe:d:")) != -1)

                switch (ch) {
                        case 'f':
                                force = 1;
                switch (ch) {
                        case 'f':
                                force = 1;


@@ -372,7 +433,9 @@ int main (int argc, char **argv)
                                erase[i++] = optarg;
                                erase[i] = NULL;
                                break;
                                erase[i++] = optarg;
                                erase[i] = NULL;
                                break;

-                       
+                       case 'd':
+                               jffs2dir = optarg;
+                               break;

                        case '?':
                        default:
                                usage();
                        case '?':
                        default:
                                usage();


@@ -386,6 +449,9 @@ int main (int argc, char **argv)
        if ((strcmp(argv[0], "unlock") == 0) && (argc == 2)) {
                cmd = CMD_UNLOCK;
                device = argv[1];
        if ((strcmp(argv[0], "unlock") == 0) && (argc == 2)) {
                cmd = CMD_UNLOCK;
                device = argv[1];

+       } else if ((strcmp(argv[0], "refresh") == 0) && (argc == 2)) {
+               cmd = CMD_REFRESH;
+               device = argv[1];

        } else if ((strcmp(argv[0], "erase") == 0) && (argc == 2)) {
                cmd = CMD_ERASE;
                device = argv[1];
        } else if ((strcmp(argv[0], "erase") == 0) && (argc == 2)) {
                cmd = CMD_ERASE;
                device = argv[1];


@@ -416,6 +482,15 @@ int main (int argc, char **argv)
                                exit(1);
                        }
                }
                                exit(1);
                        }
                }

+       } else if ((strcmp(argv[0], "jffs2write") == 0) && (argc == 3)) {
+               cmd = CMD_JFFS2WRITE;
+               device = argv[2];
+       
+               imagefile = argv[1];
+               if (!mtd_check(device)) {
+                       fprintf(stderr, "Can't open device for writing!\n");
+                       exit(1);
+               }

        } else {
                usage();
        }
        } else {
                usage();
        }


@@ -425,44 +500,43 @@ int main (int argc, char **argv)
        i = 0;
        unlocked = 0;
        while (erase[i] != NULL) {
        i = 0;
        unlocked = 0;
        while (erase[i] != NULL) {

-               if (quiet < 2)
-                       fprintf(stderr, "Unlocking %s ...\n", erase[i]);

                mtd_unlock(erase[i]);
                mtd_unlock(erase[i]);

-               if (quiet < 2)
-                       fprintf(stderr, "Erasing %s ...\n", erase[i]);

                mtd_erase(erase[i]);
                if (strcmp(erase[i], device) == 0)
                        unlocked = 1;
                i++;
        }
        
                mtd_erase(erase[i]);
                if (strcmp(erase[i], device) == 0)
                        unlocked = 1;
                i++;
        }
        

-       if (!unlocked) {
-               if (quiet < 2) 
-                       fprintf(stderr, "Unlocking %s ...\n", device);
-               mtd_unlock(device);
-       }

                
        switch (cmd) {
                case CMD_UNLOCK:
                
        switch (cmd) {
                case CMD_UNLOCK:

+                       if (!unlocked)
+                               mtd_unlock(device);

                        break;
                case CMD_ERASE:
                        break;
                case CMD_ERASE:

-                       if (quiet < 2)
-                               fprintf(stderr, "Erasing %s ...\n", device);
+                       if (!unlocked)
+                               mtd_unlock(device);

                        mtd_erase(device);
                        break;
                case CMD_WRITE:
                        mtd_erase(device);
                        break;
                case CMD_WRITE:

-                       if (quiet < 2)
-                               fprintf(stderr, "Writing from %s to %s ... ", imagefile, device);
+                       if (!unlocked)
+                               mtd_unlock(device);

                        mtd_write(imagefd, device);
                        mtd_write(imagefd, device);

-                       if (quiet < 2)
-                               fprintf(stderr, "\n");
+                       break;
+               case CMD_JFFS2WRITE:
+                       if (!unlocked)
+                               mtd_unlock(device);
+                       mtd_write_jffs2(device, imagefile, jffs2dir);
+                       break;
+               case CMD_REFRESH:
+                       mtd_refresh(device);

                        break;
        }
 
        sync();
        
        if (boot)
                        break;
        }
 
        sync();
        
        if (boot)

-               kill(1, 15); // send SIGTERM to init for reboot
+               do_reboot();

 
        return 0;
 }
 
        return 0;
 }