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Diffstat (limited to '')
| -rw-r--r-- | flashutils/flashutils.c | 156 |
1 files changed, 156 insertions, 0 deletions
diff --git a/flashutils/flashutils.c b/flashutils/flashutils.c new file mode 100644 index 000000000..de45e87b8 --- /dev/null +++ b/flashutils/flashutils.c @@ -0,0 +1,156 @@ +#include <signal.h> +#include <stdlib.h> +#include <unistd.h> +#include <sys/wait.h> +#include <stdio.h> + +#include "flashutils/flashutils.h" + +#ifndef BOARD_BML_BOOT +#define BOARD_BML_BOOT "/dev/block/bml7" +#endif + +#ifndef BOARD_BML_RECOVERY +#define BOARD_BML_RECOVERY "/dev/block/bml8" +#endif + +int the_flash_type = UNKNOWN; + +int device_flash_type() +{ + if (the_flash_type == UNKNOWN) { + if (access(BOARD_BML_BOOT, F_OK) == 0) { + the_flash_type = BML; + } else if (access("/proc/emmc", F_OK) == 0) { + the_flash_type = MMC; + } else if (access("/proc/mtd", F_OK) == 0) { + the_flash_type = MTD; + } else { + the_flash_type = UNSUPPORTED; + } + } + return the_flash_type; +} + +char* get_default_filesystem() +{ + return device_flash_type() == MMC ? "ext3" : "yaffs2"; +} + +int get_flash_type(const char* partitionType) { + int type = UNSUPPORTED; + if (strcmp(partitionType, "mtd") == 0) + type = MTD; + else if (strcmp(partitionType, "emmc") == 0) + type = MMC; + else if (strcmp(partitionType, "bml") == 0) + type = BML; + return type; +} + +static int detect_partition(const char *partitionType, const char *partition) +{ + int type = device_flash_type(); + if (strstr(partition, "/dev/block/mtd") != NULL) + type = MTD; + else if (strstr(partition, "/dev/block/mmc") != NULL) + type = MMC; + else if (strstr(partition, "/dev/block/bml") != NULL) + type = BML; + + if (partitionType != NULL) { + type = get_flash_type(partitionType); + } + + return type; +} +int restore_raw_partition(const char* partitionType, const char *partition, const char *filename) +{ + int type = detect_partition(partitionType, partition); + switch (type) { + case MTD: + return cmd_mtd_restore_raw_partition(partition, filename); + case MMC: + return cmd_mmc_restore_raw_partition(partition, filename); + case BML: + return cmd_bml_restore_raw_partition(partition, filename); + default: + return -1; + } +} + +int backup_raw_partition(const char* partitionType, const char *partition, const char *filename) +{ + int type = detect_partition(partitionType, partition); + switch (type) { + case MTD: + return cmd_mtd_backup_raw_partition(partition, filename); + case MMC: + return cmd_mmc_backup_raw_partition(partition, filename); + case BML: + return cmd_bml_backup_raw_partition(partition, filename); + default: + printf("unable to detect device type"); + return -1; + } +} + +int erase_raw_partition(const char* partitionType, const char *partition) +{ + int type = detect_partition(partitionType, partition); + switch (type) { + case MTD: + return cmd_mtd_erase_raw_partition(partition); + case MMC: + return cmd_mmc_erase_raw_partition(partition); + case BML: + return cmd_bml_erase_raw_partition(partition); + default: + return -1; + } +} + +int erase_partition(const char *partition, const char *filesystem) +{ + int type = detect_partition(NULL, partition); + switch (type) { + case MTD: + return cmd_mtd_erase_partition(partition, filesystem); + case MMC: + return cmd_mmc_erase_partition(partition, filesystem); + case BML: + return cmd_bml_erase_partition(partition, filesystem); + default: + return -1; + } +} + +int mount_partition(const char *partition, const char *mount_point, const char *filesystem, int read_only) +{ + int type = detect_partition(NULL, partition); + switch (type) { + case MTD: + return cmd_mtd_mount_partition(partition, mount_point, filesystem, read_only); + case MMC: + return cmd_mmc_mount_partition(partition, mount_point, filesystem, read_only); + case BML: + return cmd_bml_mount_partition(partition, mount_point, filesystem, read_only); + default: + return -1; + } +} + +int get_partition_device(const char *partition, char *device) +{ + int type = device_flash_type(); + switch (type) { + case MTD: + return cmd_mtd_get_partition_device(partition, device); + case MMC: + return cmd_mmc_get_partition_device(partition, device); + case BML: + return cmd_bml_get_partition_device(partition, device); + default: + return -1; + } +} |