static int dfs_uffs_mkfs(const char* device_name)
{
rt_base_t index;
rt_uint32_t block;
struct rt_mtd_nand_device * mtd;
/*1. find the device index */
for (index = 0; index < UFFS_DEVICE_MAX; index++)
{
if (rt_strncmp(nand_part[index].dev->parent.parent.name,
device_name, RT_NAME_MAX) == 0)
break;
}
if (index == UFFS_DEVICE_MAX)
{
/* can't find device driver */
rt_kprintf("can not find device driver: %s\n", device_name);
return -DFS_STATUS_ENOENT;
}
/*2. then unmount the partition */
uffs_Mount(nand_part[index].mount_path);
mtd = nand_part[index].dev;
/*3. erase all blocks on the partition */
block = mtd->block_start;
for (; block <= mtd->block_end; block++)
{
rt_mtd_nand_erase_block(mtd, block);
if (rt_mtd_nand_check_block(mtd, block) != RT_EOK)
{
rt_kprintf("found bad block %d\n", block);
rt_mtd_nand_mark_badblock(mtd, block);
}
}
/*4. remount it */
if (init_uffs_fs(&nand_part[index]) < 0)
{
return uffs_result_to_dfs(uffs_get_error());
}
return DFS_STATUS_OK;
}
int main(int argc, char *argv[])
{
int ret;
ret = init_uffs_fs();
if (ret != 0) {
printf ("Init file system fail: %d\n", ret);
return -1;
}
cli_add_commandset(get_helper_cmds());
cli_add_commandset(get_test_cmds());
cliMain();
release_uffs_fs();
return 0;
}
static int dfs_uffs_mount(
struct dfs_filesystem* fs,
unsigned long rwflag,
const void* data)
{
rt_base_t index;
uffs_MountTable * mount_part;
struct rt_mtd_nand_device * dev;
RT_ASSERT(rt_strlen(fs->path) < (UFFS_MOUNT_PATH_MAX-1));
dev = RT_MTD_NAND_DEVICE(fs->dev_id);
/*1. find a empty entry in partition table */
for (index = 0; index < UFFS_DEVICE_MAX ; index ++)
{
if (nand_part[index].dev == RT_NULL)
break;
}
if (index == UFFS_DEVICE_MAX)
return -DFS_STATUS_ENOENT;
/*2. fill partition structure */
nand_part[index].dev = dev;
/* make a right mount path for uffs, end with '/' */
rt_snprintf(nand_part[index].mount_path, UFFS_MOUNT_PATH_MAX, "%s/", fs->path);
if (nand_part[index].mount_path[1] == '/')
nand_part[index].mount_path[1] = 0;
mount_part = &(nand_part[index].mount_table);
mount_part->mount = nand_part[index].mount_path;
mount_part->dev = &(nand_part[index].uffs_dev);
rt_memset(mount_part->dev, 0, sizeof(uffs_Device));//in order to make uffs happy.
mount_part->dev->_private = dev; /* save dev_id into uffs */
mount_part->start_block = dev->block_start;
mount_part->end_block = dev->block_end;
/*3. mount uffs */
if (init_uffs_fs(&nand_part[index]) < 0)
{
return uffs_result_to_dfs(uffs_get_error());
}
return 0;
}
static int dfs_uffs_mkfs(rt_device_t dev_id)
{
rt_base_t index;
rt_uint32_t block;
struct rt_mtd_nand_device * mtd;
/*1. find the device index */
for (index = 0; index < UFFS_DEVICE_MAX; index++)
{
if (nand_part[index].dev == (struct rt_mtd_nand_device *)dev_id)
break;
}
if (index == UFFS_DEVICE_MAX)
{
/* can't find device driver */
return -ENOENT;
}
/*2. then unmount the partition */
uffs_Mount(nand_part[index].mount_path);
mtd = nand_part[index].dev;
/*3. erase all blocks on the partition */
block = mtd->block_start;
for (; block <= mtd->block_end; block++)
{
rt_mtd_nand_erase_block(mtd, block);
if (rt_mtd_nand_check_block(mtd, block) != RT_EOK)
{
rt_kprintf("found bad block %d\n", block);
rt_mtd_nand_mark_badblock(mtd, block);
}
}
/*4. remount it */
if (init_uffs_fs(&nand_part[index]) < 0)
{
return uffs_result_to_dfs(uffs_get_error());
}
return RT_EOK;
}
int main(int argc, char *argv[])
{
int ret;
#ifdef UNIX
signal(SIGSEGV, crash_handler);
#endif
uffs_SetupDebugOutput(); // setup debug output as early as possible
if (parse_options(argc, argv) < 0) {
return -1;
}
if (conf_verbose_mode) {
#if 1
MSGLN("Internal data structure size:");
MSGLN(" TreeNode: %d", sizeof(TreeNode));
MSGLN(" struct BlockListSt: %d", sizeof(struct BlockListSt));
MSGLN(" struct DirhSt: %d", sizeof(struct DirhSt));
MSGLN(" struct FilehSt: %d", sizeof(struct FilehSt));
MSGLN(" struct FdataSt: %d", sizeof(struct FdataSt));
MSGLN(" struct uffs_TagStoreSt: %d", sizeof(struct uffs_TagStoreSt));
MSGLN(" uffs_Buf: %d", sizeof(uffs_Buf));
MSGLN(" struct uffs_BlockInfoSt: %d", sizeof(struct uffs_BlockInfoSt));
MSGLN("");
#endif
print_params();
print_mount_points();
}
// setup file emulator storage with parameters from command line
setup_storage(femu_GetStorage());
// setup file emulator private data
setup_emu_private(femu_GetPrivate());
ret = init_uffs_fs();
if (ret != 0) {
MSGLN ("Init file system fail: %d", ret);
return -1;
}
cli_add_commandset(get_helper_cmds());
cli_add_commandset(get_test_cmds());
if (conf_command_line_mode) {
if (conf_exec_script) {
cli_interpret(script_command);
}
cli_main_entry();
}
else {
if (conf_exec_script) {
cli_interpret(script_command);
}
else {
cli_main_entry();
}
}
release_uffs_fs();
return 0;
}
