X-Git-Url: http://review.tizen.org/git/?a=blobdiff_plain;f=common%2Fcmd_jffs2.c;h=ecadb796347fc5a7ce100cfd7c11269ba804a4ca;hb=038ccac511214b062c56f22b9413f784b86bcd87;hp=bc63f0c4923e80aa3a34575b4bb58697c2c9ecdb;hpb=8e9655f863246db60c51140153186acc2afdc855;p=platform%2Fkernel%2Fu-boot.git diff --git a/common/cmd_jffs2.c b/common/cmd_jffs2.c index bc63f0c..ecadb79 100644 --- a/common/cmd_jffs2.c +++ b/common/cmd_jffs2.c @@ -104,10 +104,10 @@ #endif /* enable/disable debugging messages */ -#define DEBUG -#undef DEBUG +#define DEBUG_JFFS +#undef DEBUG_JFFS -#ifdef DEBUG +#ifdef DEBUG_JFFS # define DEBUGF(fmt, args...) printf(fmt ,##args) #else # define DEBUGF(fmt, args...) @@ -127,7 +127,7 @@ /* this flag needs to be set in part_info struct mask_flags * field for read-only partitions */ -#define MTD_WRITEABLE 1 +#define MTD_WRITEABLE_CMD 1 #ifdef CONFIG_JFFS2_CMDLINE /* default values for mtdids and mtdparts variables */ @@ -242,6 +242,46 @@ static void memsize_format(char *buf, u32 size) } /** + * This routine does global indexing of all partitions. Resulting index for + * current partition is saved in 'mtddevnum'. Current partition name in + * 'mtddevname'. + */ +static void index_partitions(void) +{ + char buf[16]; + u16 mtddevnum; + struct part_info *part; + struct list_head *dentry; + struct mtd_device *dev; + + DEBUGF("--- index partitions ---\n"); + + if (current_dev) { + mtddevnum = 0; + list_for_each(dentry, &devices) { + dev = list_entry(dentry, struct mtd_device, link); + if (dev == current_dev) { + mtddevnum += current_partnum; + sprintf(buf, "%d", mtddevnum); + setenv("mtddevnum", buf); + break; + } + mtddevnum += dev->num_parts; + } + + part = jffs2_part_info(current_dev, current_partnum); + setenv("mtddevname", part->name); + + DEBUGF("=> mtddevnum %d,\n=> mtddevname %s\n", mtddevnum, part->name); + } else { + setenv("mtddevnum", NULL); + setenv("mtddevname", NULL); + + DEBUGF("=> mtddevnum NULL\n=> mtddevname NULL\n"); + } +} + +/** * Save current device and partition in environment variable 'partition'. */ static void current_save(void) @@ -264,6 +304,7 @@ static void current_save(void) DEBUGF("=> partition NULL\n"); } + index_partitions(); } /** @@ -279,7 +320,7 @@ static int part_validate_nor(struct mtdids *id, struct part_info *part) { #if (CONFIG_COMMANDS & CFG_CMD_FLASH) /* info for FLASH chips */ - extern flash_info_t flash_info[CFG_MAX_FLASH_BANKS]; + extern flash_info_t flash_info[]; flash_info_t *flash; int offset_aligned; u32 end_offset; @@ -401,6 +442,8 @@ static int part_validate(struct mtdids *id, struct part_info *part) */ static int part_del(struct mtd_device *dev, struct part_info *part) { + u8 current_save_needed = 0; + /* if there is only one partition, remove whole device */ if (dev->num_parts == 1) return device_del(dev); @@ -417,11 +460,10 @@ static int part_del(struct mtd_device *dev, struct part_info *part) if (curr_pi == part) { printf("current partition deleted, resetting current to 0\n"); current_partnum = 0; - current_save(); } else if (part->offset <= curr_pi->offset) { current_partnum--; - current_save(); } + current_save_needed = 1; } } @@ -432,6 +474,11 @@ static int part_del(struct mtd_device *dev, struct part_info *part) free(part); dev->num_parts--; + if (current_save_needed > 0) + current_save(); + else + index_partitions(); + return 0; } @@ -475,6 +522,8 @@ static int part_sort_add(struct mtd_device *dev, struct part_info *part) if (list_empty(&dev->parts)) { DEBUGF("part_sort_add: list empty\n"); list_add(&part->link, &dev->parts); + dev->num_parts++; + index_partitions(); return 0; } @@ -498,18 +547,23 @@ static int part_sort_add(struct mtd_device *dev, struct part_info *part) if (new_pi->offset <= pi->offset) { list_add_tail(&part->link, entry); + dev->num_parts++; if (curr_pi && (pi->offset <= curr_pi->offset)) { /* we are modyfing partitions for the current * device, update current */ current_partnum++; current_save(); + } else { + index_partitions(); } - return 0; } } + list_add_tail(&part->link, &dev->parts); + dev->num_parts++; + index_partitions(); return 0; } @@ -530,7 +584,6 @@ static int part_add(struct mtd_device *dev, struct part_info *part) if (part_sort_add(dev, part) != 0) return 1; - dev->num_parts++; return 0; } @@ -600,7 +653,7 @@ static int part_parse(const char *const partdef, const char **ret, struct part_i /* test for options */ mask_flags = 0; if (strncmp(p, "ro", 2) == 0) { - mask_flags |= MTD_WRITEABLE; + mask_flags |= MTD_WRITEABLE_CMD; p += 2; } @@ -665,7 +718,7 @@ static int device_validate(u8 type, u8 num, u32 *size) if (type == MTD_DEV_TYPE_NOR) { #if (CONFIG_COMMANDS & CFG_CMD_FLASH) if (num < CFG_MAX_FLASH_BANKS) { - extern flash_info_t flash_info[CFG_MAX_FLASH_BANKS]; + extern flash_info_t flash_info[]; *size = flash_info[num].size; return 0; @@ -746,9 +799,10 @@ static int device_del(struct mtd_device *dev) current_partnum = 0; } current_save(); + return 0; } - + index_partitions(); return 0; } @@ -782,13 +836,20 @@ static struct mtd_device* device_find(u8 type, u8 num) */ static void device_add(struct mtd_device *dev) { + u8 current_save_needed = 0; + if (list_empty(&devices)) { current_dev = dev; current_partnum = 0; - current_save(); + current_save_needed = 1; } list_add_tail(&dev->link, &devices); + + if (current_save_needed > 0) + current_save(); + else + index_partitions(); } /** @@ -907,7 +968,7 @@ static int device_parse(const char *const mtd_dev, const char **ret, struct mtd_ } memset(dev, 0, sizeof(struct mtd_device)); dev->id = id; - dev->num_parts = num_parts; + dev->num_parts = 0; /* part_sort_add increments num_parts */ INIT_LIST_HEAD(&dev->parts); INIT_LIST_HEAD(&dev->link); @@ -1120,7 +1181,7 @@ static int generate_mtdparts(char *buf, u32 buflen) } /* ro mask flag */ - if (part->mask_flags && MTD_WRITEABLE) { + if (part->mask_flags && MTD_WRITEABLE_CMD) { len = 2; if (len > maxlen) goto cleanup; @@ -1559,7 +1620,7 @@ int mtdparts_init(void) ids_changed = 1; if (parse_mtdids(ids) != 0) { - device_delall(&devices); + devices_init(); return 1; }