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/**************************************************************************//**
*
* @copyright (C) 2019 Nuvoton Technology Corp. All rights reserved.
*
* SPDX-License-Identifier: Apache-2.0
*
* Change Logs:
* Date Author Notes
* 2022-3-12 Wayne First version
*
******************************************************************************/
#include <rtthread.h>
#define LOG_TAG "mnt"
#define DBG_ENABLE
#define DBG_SECTION_NAME "mnt"
#define DBG_LEVEL DBG_ERROR
#define DBG_COLOR
#include <rtdbg.h>
#include <dfs_fs.h>
#include <dfs_file.h>
#include <unistd.h>
#include <stdio.h>
#include <sys/stat.h>
#include <sys/statfs.h>
#if defined(RT_USING_FAL)
#include <fal.h>
#endif
#if defined(PKG_USING_RAMDISK)
#define RAMDISK_NAME "ramdisk0"
#define RAMDISK_UDC "ramdisk1"
#define MOUNT_POINT_RAMDISK0 "/"
#endif
#if defined(BOARD_USING_STORAGE_SPIFLASH)
#define PARTITION_NAME_FILESYSTEM "filesystem"
#define MOUNT_POINT_SPIFLASH0 "/mnt/"PARTITION_NAME_FILESYSTEM
#endif
#ifdef RT_USING_DFS_MNTTABLE
/*
const char *device_name;
const char *path;
const char *filesystemtype;
unsigned long rwflag;
const void *data;
*/
const struct dfs_mount_tbl mount_table[] =
{
#if defined(PKG_USING_RAMDISK)
{ RAMDISK_UDC, "/mnt/ram_usbd", "elm", 0, RT_NULL },
#endif
#if defined(RT_USING_DFS_UFFS)
{ "nand1", "/mnt/filesystem", "uffs", 0, RT_NULL },
#endif
{ "sd0", "/mnt/sd0", "elm", 0, RT_NULL },
{ "sd0p0", "/mnt/sd0p0", "elm", 0, RT_NULL },
{ "sd0p1", "/mnt/sd0p1", "elm", 0, RT_NULL },
{ "sd1", "/mnt/sd1", "elm", 0, RT_NULL },
{ "sd1p0", "/mnt/sd1p0", "elm", 0, RT_NULL },
{ "sd1p1", "/mnt/sd1p1", "elm", 0, RT_NULL },
{0},
};
#endif
#if defined(PKG_USING_RAMDISK) && defined(BOARD_USING_EXTERNAL_HYPERRAM)
extern rt_err_t ramdisk_init(const char *dev_name, rt_uint8_t *disk_addr, rt_size_t block_size, rt_size_t num_block);
int ramdisk_device_init(void)
{
rt_err_t result = RT_EOK;
int disk_size = BOARD_USING_HYPERRAM_SIZE / 2;
int disk_startaddr = 0x80000000;
/* Create a 4MB RAMDISK */
result = ramdisk_init(RAMDISK_NAME, (rt_uint8_t *)disk_startaddr, 512, disk_size / 512);
RT_ASSERT(result == RT_EOK);
/* Create a 4MB RAMDISK */
disk_startaddr += disk_size;
result = ramdisk_init(RAMDISK_UDC, (rt_uint8_t *)disk_startaddr, 512, disk_size / 512);
RT_ASSERT(result == RT_EOK);
return 0;
}
INIT_DEVICE_EXPORT(ramdisk_device_init);
/* Recursive mkdir */
static int mkdir_p(const char *dir, const mode_t mode)
{
int ret = -1;
char *tmp = NULL;
char *p = NULL;
struct stat sb;
rt_size_t len;
if (!dir)
goto exit_mkdir_p;
/* Copy path */
/* Get the string length */
len = strlen(dir);
tmp = rt_strdup(dir);
/* Remove trailing slash */
if (tmp[len - 1] == '/')
{
tmp[len - 1] = '\0';
len--;
}
/* check if path exists and is a directory */
if (stat(tmp, &sb) == 0)
{
if (S_ISDIR(sb.st_mode))
{
ret = 0;
goto exit_mkdir_p;
}
}
/* Recursive mkdir */
for (p = tmp + 1; p - tmp <= len; p++)
{
if ((*p == '/') || (p - tmp == len))
{
*p = 0;
/* Test path */
if (stat(tmp, &sb) != 0)
{
/* Path does not exist - create directory */
if (mkdir(tmp, mode) < 0)
{
goto exit_mkdir_p;
}
}
else if (!S_ISDIR(sb.st_mode))
{
/* Not a directory */
goto exit_mkdir_p;
}
if (p - tmp != len)
*p = '/';
}
}
ret = 0;
exit_mkdir_p:
if (tmp)
rt_free(tmp);
return ret;
}
/* Initialize the filesystem */
int filesystem_init(void)
{
rt_err_t result = RT_EOK;
// ramdisk as root
if (!rt_device_find(RAMDISK_NAME))
{
LOG_E("cannot find %s device", RAMDISK_NAME);
goto exit_filesystem_init;
}
else
{
static int bFormated = 0;
hyperram_remount:
/* mount ramdisk0 as root directory */
if (dfs_mount(RAMDISK_NAME, "/", "elm", 0, RT_NULL) == 0)
{
LOG_I("ramdisk mounted on \"/\".");
/* now you can create dir dynamically. */
mkdir_p("/mnt", 0x777);
mkdir_p("/cache", 0x777);
mkdir_p("/download", 0x777);
mkdir_p("/mnt/ram_usbd", 0x777);
mkdir_p("/mnt/filesystem", 0x777);
mkdir_p("/mnt/sd0", 0x777);
mkdir_p("/mnt/sd0p0", 0x777);
mkdir_p("/mnt/sd0p1", 0x777);
mkdir_p("/mnt/sd1", 0x777);
mkdir_p("/mnt/sd1p0", 0x777);
mkdir_p("/mnt/sd1p1", 0x777);
#if defined(RT_USBH_MSTORAGE) && defined(UDISK_MOUNTPOINT)
mkdir_p(UDISK_MOUNTPOINT, 0x777);
#endif
}
else
{
/* Format these ramdisk */
result = (rt_err_t)dfs_mkfs("elm", RAMDISK_NAME);
RT_ASSERT(result == RT_EOK);
if (!bFormated)
{
bFormated = 1;
goto hyperram_remount;
}
else
{
LOG_E("root folder creation failed!\n");
// rt_kprintf("Failed to mount elm on /.\n");
// rt_kprintf("Try to execute 'mkfs -t elm %s' first, then reboot.\n", RAMDISK_NAME);
}
goto exit_filesystem_init;
}
}
if (!rt_device_find(RAMDISK_UDC))
{
LOG_E("cannot find %s device", RAMDISK_UDC);
goto exit_filesystem_init;
}
else
{
/* Format these ramdisk */
result = (rt_err_t)dfs_mkfs("elm", RAMDISK_UDC);
RT_ASSERT(result == RT_EOK);
}
exit_filesystem_init:
return -result;
}
INIT_ENV_EXPORT(filesystem_init);
#endif
#if defined(BOARD_USING_STORAGE_SPIFLASH)
int mnt_init_spiflash0(void)
{
#if defined(RT_USING_FAL)
extern int fal_init_check(void);
if (!fal_init_check())
fal_init();
#endif
struct rt_device *psNorFlash = fal_blk_device_create(PARTITION_NAME_FILESYSTEM);
if (!psNorFlash)
{
rt_kprintf("Failed to create block device for %s.\n", PARTITION_NAME_FILESYSTEM);
goto exit_mnt_init_spiflash0;
}
else if (dfs_mount(psNorFlash->parent.name, MOUNT_POINT_SPIFLASH0, "elm", 0, 0) != 0)
{
rt_kprintf("Failed to mount elm on %s.\n", MOUNT_POINT_SPIFLASH0);
rt_kprintf("Try to execute 'mkfs -t elm %s' first, then reboot.\n", PARTITION_NAME_FILESYSTEM);
goto exit_mnt_init_spiflash0;
}
rt_kprintf("mount %s with elmfat type: ok\n", PARTITION_NAME_FILESYSTEM);
exit_mnt_init_spiflash0:
return 0;
}
INIT_APP_EXPORT(mnt_init_spiflash0);
#endif
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