OpenXX/xiuos
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

First commit XiUOS

Browse Source
This commit is contained in:
xuetest
2021-04-28 17:49:18 +08:00
commit 6001051eb7
1331 changed files with 433955 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

36
fs/Kconfig Normal file
View File

@@ -0,0 +1,36 @@
menu "File system"
menuconfig FS_VFS
bool "Using device virtual file system"
select KERNEL_MUTEX
default y
help
The device file system is a light weight virtual file system.
if FS_VFS
source "$KERNEL_DIR/fs/iot-devicefile/Kconfig"
config FS_VFS_FATFS
bool "Using FATFS file system"
default y
if FS_VFS_FATFS
source "$KERNEL_DIR/fs/fatfs/Kconfig"
endif
config FS_CH376
bool "Using CH376 file system"
default n
if FS_CH376
source "$KERNEL_DIR/fs/compatibility_ch376/Kconfig"
endif
config FS_LWEXT4
bool "Using LWEXT4 file system"
default n
if FS_LWEXT4
source "$KERNEL_DIR/fs/lwext4/Kconfig"
endif
endif
endmenu

19
fs/Makefile Normal file
View File

@@ -0,0 +1,19 @@
SRC_DIR :=
ifeq ($(CONFIG_FS_VFS),y)
SRC_DIR += shared iot-devicefile
ifeq ($(CONFIG_FS_VFS_FATFS),y)
SRC_DIR += fatfs
endif
ifeq ($(CONFIG_FS_CH376),y)
SRC_DIR += compatibility_ch376
endif
ifeq ($(CONFIG_FS_LWEXT4),y)
SRC_DIR += lwext4
endif
endif
include $(KERNEL_ROOT)/compiler.mk

0
fs/compatibility_ch376/Kconfig Normal file
View File

3
fs/compatibility_ch376/Makefile Normal file
View File

@@ -0,0 +1,3 @@
SRC_FILES := ch376fs.c
include $(KERNEL_ROOT)/compiler.mk

644
fs/compatibility_ch376/ch376fs.c Normal file
View File

@@ -0,0 +1,644 @@
/*
* Copyright (c) 2020 AIIT XUOS Lab
* XiUOS is licensed under Mulan PSL v2.
* You can use this software according to the terms and conditions of the Mulan PSL v2.
* You may obtain a copy of Mulan PSL v2 at:
* http://license.coscl.org.cn/MulanPSL2
* THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND,
* EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT,
* MERCHANTABILITY OR FIT FOR A PARTICULAR PURPOSE.
* See the Mulan PSL v2 for more details.
*/
/**
* @file ch376fs.c
* @brief CH376 file system implementation
* @version 1.0
* @author AIIT XUOS Lab
* @date 2021.03.18
*/
#include <ch376fs.h>
#define CMD_RESET_ALL 0x05
#define CMD_CHECK_EXIST 0x06
#define CMD_GET_FILE_SIZE 0x0C
#define CMD_SET_FILE_SIZE 0x0D
#define CMD_SET_USB_MODE 0x15
#define CMD_RD_USB_DATA0 0x27
#define CMD_WR_REQ_DATA 0x2D
#define CMD_SET_FILE_NAME 0x2F
#define CMD_DISK_CONNECT 0x30
#define CMD_DISK_MOUNT 0x31
#define CMD_FILE_OPEN 0x32
#define CMD_FILE_ENUM_GO 0x33
#define CMD_FILE_CREATE 0x34
#define CMD_FILE_ERASE 0x35
#define CMD_FILE_CLOSE 0x36
#define CMD_DIR_INFO_READ 0x37
#define CMD_BYTE_LOCATE 0x39
#define CMD_BYTE_READ 0x3A
#define CMD_BYTE_RD_GO 0x3B
#define CMD_BYTE_WRITE 0x3C
#define CMD_BYTE_WR_GO 0x3D
#define CMD_DIR_CREATE 0x40
#define CMD_WRITE_VAR32 0x0D
#define USB_INT_SUCCESS 0x14
#define USB_INT_DISK_READ 0x1D
#define USB_INT_DISK_WRITE 0x1E
#define ERR_OPEN_DIR 0x41
#define ERR_MISS_FILE 0x42
#define ERR_FOUND_NAME 0x43
#define ERR_FILE_CLOSE 0xB4
/* The flag bit for whether the folder was first opened */
static uint8 dir_flag = 0;
/* Save the read directory information */
static struct Ch376FatDirInfo dir;
/* Send the command */
static struct BusConfigureInfo cfg;
/* Command following parameters */
static uint8 cmd;
static struct BusBlockWriteParam write_cmd = {
0,
&cmd,
1,
};
/* Reply to command */
static uint8 reply;
static struct BusBlockReadParam read_reply = {
0,
&reply,
1,
1,
};
/**
* @description: Set file or directory path
* @param bus - CH376 device bus
* @param name - path name
*/
static void SetFileName(BusType bus, uint8* name)
{
cfg.configure_cmd = CMD_SET_FILE_NAME;
BusDrvConfigure(bus->owner_driver, &cfg);
cmd = *name;
BusDevWriteData(bus->owner_haldev, &write_cmd);
while (cmd) {
name++;
cmd = *name;
if((cmd == 0x5c) || (cmd == 0x2f))
cmd = 0;
BusDevWriteData(bus->owner_haldev, &write_cmd);
}
}
/**
* @description: Back to the root directory
* @param bus - CH376 device bus
*/
static void OpenRoot(BusType bus)
{
SetFileName(bus, "/");
cfg.configure_cmd = CMD_FILE_OPEN;
BusDrvConfigure(bus->owner_driver, &cfg);
BusDevReadData(bus->owner_haldev, &read_reply);
}
/**
* @description: Open file
* @param fdp - file descriptor
* @param path - path name
* @return success: EOK, failure: -ERROR
*/
static int Ch376fsOpen(struct FileDescriptor *fdp, const char *path)
{
uint32 len, idx;
idx = 0;
len = strlen(path);
char buff[len + 1];
strncpy(buff, path, len);
buff[len] = 0;
for (int i = 0; i < len; i++) {
if (buff[i] == '/') {
buff[i] = 0;
SetFileName(fdp->mntp->bus, &buff[idx]);
idx = i + 1;
cfg.configure_cmd = CMD_FILE_OPEN;
BusDrvConfigure(fdp->mntp->bus->owner_driver, &cfg);
BusDevReadData(fdp->mntp->bus->owner_haldev, &read_reply);
switch (reply) {
case USB_INT_SUCCESS:
case ERR_OPEN_DIR:
break;
case ERR_MISS_FILE:
OpenRoot(fdp->mntp->bus);
return -ERROR;
default:
return -ERROR;
}
}
}
SetFileName(fdp->mntp->bus, &buff[idx]);
cfg.configure_cmd = CMD_FILE_OPEN;
BusDrvConfigure(fdp->mntp->bus->owner_driver, &cfg);
BusDevReadData(fdp->mntp->bus->owner_haldev, &read_reply);
switch (reply) {
case USB_INT_SUCCESS:
case ERR_OPEN_DIR:
return EOK;
case ERR_MISS_FILE:
cfg.configure_cmd = CMD_FILE_CREATE;
BusDrvConfigure(fdp->mntp->bus->owner_driver, &cfg);
BusDevReadData(fdp->mntp->bus->owner_haldev, &read_reply);
return EOK;
default:
return -ERROR;
}
}
/**
* @description: Close file
* @param fdp - file descriptor
* @return success: EOK, failure: -ERROR
*/
static int Ch376fsClose(struct FileDescriptor *fdp)
{
cfg.configure_cmd = CMD_FILE_CLOSE;
BusDrvConfigure(fdp->mntp->bus->owner_driver, &cfg);
cmd = 0x01;
BusDevWriteData(fdp->mntp->bus->owner_haldev, &write_cmd);
BusDevReadData(fdp->mntp->bus->owner_haldev, &read_reply);
if (reply == USB_INT_SUCCESS) {
OpenRoot(fdp->mntp->bus);
return EOK;
}
return -ERROR;
}
/**
* @description: Read file
* @param fdp - file descriptor
* @param dst - store the read data
* @param len - need data length
* @return length of data
*/
static ssize_t Ch376fsRead(struct FileDescriptor *fdp, void *dst, size_t len)
{
ssize_t size = 0;
uint8 buff[PARAM_LEN];
struct BusBlockReadParam read_param;
read_param.pos = 0;
read_param.buffer = buff;
cfg.configure_cmd = CMD_BYTE_READ;
BusDrvConfigure(fdp->mntp->bus->owner_driver, &cfg);
cmd = (uint8)len;
BusDevWriteData(fdp->mntp->bus->owner_haldev, &write_cmd);
cmd = (uint8)(len >> 8);
BusDevWriteData(fdp->mntp->bus->owner_haldev, &write_cmd);
while (1) {
BusDevReadData(fdp->mntp->bus->owner_haldev, &read_reply);
switch (reply) {
case USB_INT_SUCCESS:
return size;
case USB_INT_DISK_READ:
cfg.configure_cmd = CMD_RD_USB_DATA0;
BusDrvConfigure(fdp->mntp->bus->owner_driver, &cfg);
BusDevReadData(fdp->mntp->bus->owner_haldev, &read_param);
memcpy(dst + size, &buff[1], buff[0]);
size += buff[0];
cfg.configure_cmd = CMD_BYTE_RD_GO;
BusDrvConfigure(fdp->mntp->bus->owner_driver, &cfg);
break;
default:
return -ERROR;
}
}
}
/**
* @description: Write file
* @param fdp - file descriptor
* @param src - store the write data
* @param len - write data length
* @return success: EOK, failure: -ERROR
*/
static ssize_t Ch376fsWrite(struct FileDescriptor *fdp, const void *src, size_t len)
{
struct BusBlockWriteParam write_param;
char WriteBuff[len], temp[len];
write_param.pos = 0;
write_param.buffer = WriteBuff;
size_t size = 0;
memcpy(temp, src, len);
cfg.configure_cmd = CMD_BYTE_WRITE;
BusDrvConfigure(fdp->mntp->bus->owner_driver, &cfg);
cmd = (uint8)len;
BusDevWriteData(fdp->mntp->bus->owner_haldev, &write_cmd);
cmd = (uint8)(len >> 8);
BusDevWriteData(fdp->mntp->bus->owner_haldev, &write_cmd);
while (1) {
BusDevReadData(fdp->mntp->bus->owner_haldev, &read_reply);
switch (reply) {
case USB_INT_SUCCESS:
return EOK;
case USB_INT_DISK_WRITE:
cfg.configure_cmd = CMD_WR_REQ_DATA;
BusDrvConfigure(fdp->mntp->bus->owner_driver, &cfg);
BusDevReadData(fdp->mntp->bus->owner_haldev, &read_reply);
strncpy(WriteBuff, &temp[size], reply);
write_param.size = reply;
BusDevWriteData(fdp->mntp->bus->owner_haldev, &write_param);
size += reply;
cfg.configure_cmd = CMD_BYTE_WR_GO;
BusDrvConfigure(fdp->mntp->bus->owner_driver, &cfg);
break;
default:
return -ERROR;
}
}
}
/**
* @description: Moves pointer to end of file
* @param fdp - file descriptor
* @param offset - the old offset
* @param whence - moving position
* @param new_offset - the new offset
* @return success: EOK, failure: -ERROR
*/
static int Ch376fsSeek(struct FileDescriptor *fdp, off_t offset, int whence, off_t *new_offset)
{
cfg.configure_cmd = CMD_BYTE_LOCATE;
BusDrvConfigure(fdp->mntp->bus->owner_driver, &cfg);
uint8 i = 4;
cmd = 0xFF;
while (i--)
BusDevWriteData(fdp->mntp->bus->owner_haldev, &write_cmd);
BusDevReadData(fdp->mntp->bus->owner_haldev, &read_reply);
if(reply == USB_INT_SUCCESS)
return EOK;
return -ERROR;
}
/**
* @description: Open directory
* @param fdp - file descriptor
* @param path - directory path name
* @return success: EOK, failure: -ERROR
*/
static int Ch376fsOpenDir(struct FileDescriptor *fdp, const char *path)
{
uint32 len, idx;
idx = 0;
len = strlen(path);
char buff[len + 1];
strncpy(buff, path, len);
buff[len] = 0;
dir_flag = 0;
for (int i = 0; i < len; i++) {
if(buff[i] == '/') {
buff[i] = 0;
SetFileName(fdp->mntp->bus, &buff[idx]);
idx = i + 1;
cfg.configure_cmd = CMD_FILE_OPEN;
BusDrvConfigure(fdp->mntp->bus->owner_driver, &cfg);
BusDevReadData(fdp->mntp->bus->owner_haldev, &read_reply);
switch (reply) {
case USB_INT_SUCCESS:
case ERR_OPEN_DIR:
break;
case ERR_MISS_FILE:
OpenRoot(fdp->mntp->bus);
return -ERROR;
default:
return -ERROR;
}
}
}
SetFileName(fdp->mntp->bus, &buff[idx]);
cfg.configure_cmd = CMD_FILE_OPEN;
BusDrvConfigure(fdp->mntp->bus->owner_driver, &cfg);
BusDevReadData(fdp->mntp->bus->owner_haldev, &read_reply);
switch (reply) {
case USB_INT_SUCCESS:
case ERR_OPEN_DIR:
return EOK;
case ERR_MISS_FILE:
OpenRoot(fdp->mntp->bus);
return -ERROR;
default:
return -ERROR;
}
}
/**
* @description: Close directory
* @param fdp - file descriptor
* @return success: EOK, failure: -ERROR
*/
static int Ch376fsCloseDir(struct FileDescriptor *fdp)
{
cfg.configure_cmd = CMD_FILE_CLOSE;
BusDrvConfigure(fdp->mntp->bus->owner_driver, &cfg);
cmd = 0x01;
BusDevWriteData(fdp->mntp->bus->owner_haldev, &write_cmd);
BusDevReadData(fdp->mntp->bus->owner_haldev, &read_reply);
dir_flag = 0;
if ((reply == ERR_FILE_CLOSE) || (reply == USB_INT_SUCCESS)) {
OpenRoot(fdp->mntp->bus);
return EOK;
}
return -ERROR;
}
/**
* @description: Read directory
* @param fdp - file descriptor
* @param dirent - transmit directory info
* @return success: EOK, failure: -ERROR
*/
static int Ch376fsReadDir(struct FileDescriptor *fdp, struct dirent *dirent)
{
memset(&dir, 0, sizeof(dir));
struct BusBlockReadParam read_param;
read_param.pos = 0;
read_param.buffer = &dir;
if (dir_flag == 0) {
char seek[2];
seek[0] = '*';
seek[1] = 0x00;
dir_flag = 1;
SetFileName(fdp->mntp->bus, seek);
cfg.configure_cmd = CMD_FILE_OPEN;
BusDrvConfigure(fdp->mntp->bus->owner_driver, &cfg);
goto __exit;
}
cfg.configure_cmd = CMD_FILE_ENUM_GO;
BusDrvConfigure(fdp->mntp->bus->owner_driver, &cfg);
__exit:
BusDevReadData(fdp->mntp->bus->owner_haldev, &read_reply);
switch (reply) {
case USB_INT_DISK_READ:
cfg.configure_cmd = CMD_RD_USB_DATA0;
BusDrvConfigure(fdp->mntp->bus->owner_driver, &cfg);
BusDevReadData(fdp->mntp->bus->owner_haldev, &read_param);
dir.dir_attr = 0;
strncpy(dirent->d_name, dir.dir_name, 11);
return EOK;
case ERR_MISS_FILE:
memset(dirent->d_name, 0, strlen(dirent->d_name));
return EOK;
default:
return -ERROR;
}
}
/**
* @description: Create directory
* @param mp - mount point
* @param path - directory path name
* @return success: EOK, failure: -ERROR
*/
static int Ch376fsCreateDir(struct MountPoint *mp, const char *path)
{
uint32 len, idx;
len = strlen(path);
idx = 0;
char buff[len + 1];
strncpy(buff, path, len);
buff[len] = 0;
for (int i = 0; i < len; i++) {
if (buff[i] == '/') {
buff[i] = 0;
SetFileName(mp->bus, &buff[idx]);
idx = i + 1;
cfg.configure_cmd = CMD_FILE_OPEN;
BusDrvConfigure(mp->bus->owner_driver, &cfg);
BusDevReadData(mp->bus->owner_haldev, &read_reply);
switch (reply) {
case USB_INT_SUCCESS:
case ERR_OPEN_DIR:
break;
case ERR_MISS_FILE:
cfg.configure_cmd = CMD_DIR_CREATE;
BusDrvConfigure(mp->bus->owner_driver, &cfg);
BusDevReadData(mp->bus->owner_haldev, &read_reply);
break;
default:
return ERROR;
}
}
}
SetFileName(mp->bus, &buff[idx]);
cfg.configure_cmd = CMD_DIR_CREATE;
BusDrvConfigure(mp->bus->owner_driver, &cfg);
BusDevReadData(mp->bus->owner_haldev, &read_reply);
switch (reply) {
case USB_INT_SUCCESS:
break;
case ERR_FOUND_NAME:
KPrintf("File of the same name exists\n");
break;
default:
return ERROR;
}
OpenRoot(mp->bus);
return EOK;
}
/**
* @description: Create directory
* @param mp - mount point
* @param path - file path name
* @param buf - file state info
* @return EOK
*/
static int Ch376fsStat(struct MountPoint *mp, const char *path, struct FileStat *buf)
{
strncpy(buf->name, dir.dir_name, strlen(dir.dir_name));
if(dir.dir_ntres == 0x10)
buf->type = FTYPE_DIR;
else if(dir.dir_ntres == 0x20)
buf->type = FTYPE_FILE;
buf->size = dir.dir_file_size >> 8;
buf->mtime = 1580486400;
return EOK;
}
/**
* @description: Mount CH376 file system
* @param mp - mount point
* @return success: EOK, failure: -ERROR
*/
static int Ch376fsMount(struct MountPoint *mp)
{
cfg.configure_cmd = CMD_CHECK_EXIST;
BusDrvConfigure(mp->bus->owner_driver, &cfg);
cmd = 0x55;
BusDevWriteData(mp->bus->owner_haldev, &write_cmd);
BusDevReadData(mp->bus->owner_haldev, &read_reply);
if(reply != 0xAA)
goto __exit;
cfg.configure_cmd = CMD_SET_USB_MODE;
BusDrvConfigure(mp->bus->owner_driver, &cfg);
if (mp->bus->bus_type == TYPE_SDIO_BUS)
cmd = 0x03;
else if (mp->bus->bus_type == TYPE_USB_BUS)
cmd = 0x06;
BusDevWriteData(mp->bus->owner_haldev, &write_cmd);
BusDevReadData(mp->bus->owner_haldev, &read_reply);
if(reply != 0x51)
goto __exit;
cfg.configure_cmd = CMD_DISK_MOUNT;
BusDrvConfigure(mp->bus->owner_driver, &cfg);
BusDevReadData(mp->bus->owner_haldev, &read_reply);
if(reply != 0x14)
goto __exit;
return EOK;
__exit:
return -ERROR;
}
/**
* @description: Unlink file
* @param mp - mount point
* @param path - file path name
* @return success: EOK, failure: -ERROR
*/
static int Ch376fsUnlink(struct MountPoint *mp, const char *path)
{
uint32 len, idx;
idx = 0;
len = strlen(path);
char buff[len + 1];
strncpy(buff, path, len);
buff[len] = 0;
for (int i = 0; i < len; i++) {
if (buff[i] == '/') {
buff[i] = 0;
SetFileName(mp->bus, &buff[idx]);
idx = i + 1;
cfg.configure_cmd = CMD_FILE_OPEN;
BusDrvConfigure(mp->bus->owner_driver, &cfg);
BusDevReadData(mp->bus->owner_haldev, &read_reply);
switch (reply) {
case USB_INT_SUCCESS:
case ERR_OPEN_DIR:
break;
case ERR_MISS_FILE:
default:
OpenRoot(mp->bus);
return -ERROR;
}
}
}
SetFileName(mp->bus, &buff[idx]);
cfg.configure_cmd = CMD_FILE_OPEN;
BusDrvConfigure(mp->bus->owner_driver, &cfg);
BusDevReadData(mp->bus->owner_haldev, &read_reply);
switch (reply) {
case USB_INT_SUCCESS:
case ERR_OPEN_DIR:
cfg.configure_cmd = CMD_FILE_ERASE;
BusDrvConfigure(mp->bus->owner_driver, &cfg);
BusDevReadData(mp->bus->owner_haldev, &read_reply);
OpenRoot(mp->bus);
return EOK;
case ERR_MISS_FILE:
default:
OpenRoot(mp->bus);
return -ERROR;
}
}
static struct Filesystem ch376fs = {
.open = Ch376fsOpen,
.close = Ch376fsClose,
.read = Ch376fsRead,
.write = Ch376fsWrite,
.seek = Ch376fsSeek,
.tell = NONE,
.truncate = NONE,
.sync = NONE,
.ioctl = NONE,
.poll = NONE,
.opendir = Ch376fsOpenDir,
.closedir = Ch376fsCloseDir,
.readdir = Ch376fsReadDir,
.seekdir = NULL,
.mount = Ch376fsMount,
.unmount = NONE,
.unlink = Ch376fsUnlink,
.rename = NONE,
.mkdir = Ch376fsCreateDir,
.stat = Ch376fsStat,
.statvfs = NONE,
};
/**
* @description: Init CH376 file system
* @return success: EOK, failure: other
*/
int Ch376fsInit()
{
return RegisterFilesystem(FSTYPE_CH376, &ch376fs);
}

49
fs/compatibility_ch376/ch376fs.h Normal file
View File

@@ -0,0 +1,49 @@
/*
* Copyright (c) 2020 AIIT XUOS Lab
* XiUOS is licensed under Mulan PSL v2.
* You can use this software according to the terms and conditions of the Mulan PSL v2.
* You may obtain a copy of Mulan PSL v2 at:
* http://license.coscl.org.cn/MulanPSL2
* THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND,
* EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT,
* MERCHANTABILITY OR FIT FOR A PARTICULAR PURPOSE.
* See the Mulan PSL v2 for more details.
*/
/**
* @file ch376fs.h
* @brief CH376 file system define
* @version 1.0
* @author AIIT XUOS Lab
* @date 2021.03.18
*/
#ifndef __INC_CH376FS_H__
#define __INC_CH376FS_H__
#include <xiuos.h>
#if defined(FS_VFS)
#include <iot-vfs.h>
#endif
#define PARAM_LEN 256
/* CH376 file system directory info */
struct Ch376FatDirInfo
{
uint8 dir_name[11];
uint8 dir_attr;
uint8 dir_ntres;
uint8 dir_crt_time_tenth;
uint16 dir_crt_time;
uint16 dir_crt_date;
uint16 dir_lst_acc_date;
uint16 dir_fst_clus_hi;
uint16 dir_wrt_time;
uint16 dir_wrt_date;
uint16 dir_fst_clus_lo;
uint32 dir_file_size;
};
#endif

340
fs/fatfs/00history.txt Normal file
View File

@@ -0,0 +1,340 @@
----------------------------------------------------------------------------
Revision history of FatFs module
----------------------------------------------------------------------------
R0.00 (February 26, 2006)
Prototype.
R0.01 (April 29, 2006)
The first release.
R0.02 (June 01, 2006)
Added FAT12 support.
Removed unbuffered mode.
Fixed a problem on small (<32M) partition.
R0.02a (June 10, 2006)
Added a configuration option (_FS_MINIMUM).
R0.03 (September 22, 2006)
Added f_rename().
Changed option _FS_MINIMUM to _FS_MINIMIZE.
R0.03a (December 11, 2006)
Improved cluster scan algorithm to write files fast.
Fixed f_mkdir() creates incorrect directory on FAT32.
R0.04 (February 04, 2007)
Added f_mkfs().
Supported multiple drive system.
Changed some interfaces for multiple drive system.
Changed f_mountdrv() to f_mount().
R0.04a (April 01, 2007)
Supported multiple partitions on a physical drive.
Added a capability of extending file size to f_lseek().
Added minimization level 3.
Fixed an endian sensitive code in f_mkfs().
R0.04b (May 05, 2007)
Added a configuration option _USE_NTFLAG.
Added FSINFO support.
Fixed DBCS name can result FR_INVALID_NAME.
Fixed short seek (<= csize) collapses the file object.
R0.05 (August 25, 2007)
Changed arguments of f_read(), f_write() and f_mkfs().
Fixed f_mkfs() on FAT32 creates incorrect FSINFO.
Fixed f_mkdir() on FAT32 creates incorrect directory.
R0.05a (February 03, 2008)
Added f_truncate() and f_utime().
Fixed off by one error at FAT sub-type determination.
Fixed btr in f_read() can be mistruncated.
Fixed cached sector is not flushed when create and close without write.
R0.06 (April 01, 2008)
Added fputc(), fputs(), fprintf() and fgets().
Improved performance of f_lseek() on moving to the same or following cluster.
R0.07 (April 01, 2009)
Merged Tiny-FatFs as a configuration option. (_FS_TINY)
Added long file name feature. (_USE_LFN)
Added multiple code page feature. (_CODE_PAGE)
Added re-entrancy for multitask operation. (_FS_REENTRANT)
Added auto cluster size selection to f_mkfs().
Added rewind option to f_readdir().
Changed result code of critical errors.
Renamed string functions to avoid name collision.
R0.07a (April 14, 2009)
Septemberarated out OS dependent code on reentrant cfg.
Added multiple sector size feature.
R0.07c (June 21, 2009)
Fixed f_unlink() can return FR_OK on error.
Fixed wrong cache control in f_lseek().
Added relative path feature.
Added f_chdir() and f_chdrive().
Added proper case conversion to extended character.
R0.07e (November 03, 2009)
Septemberarated out configuration options from ff.h to ffconf.h.
Fixed f_unlink() fails to remove a sub-directory on _FS_RPATH.
Fixed name matching error on the 13 character boundary.
Added a configuration option, _LFN_UNICODE.
Changed f_readdir() to return the SFN with always upper case on non-LFN cfg.
R0.08 (May 15, 2010)
Added a memory configuration option. (_USE_LFN = 3)
Added file lock feature. (_FS_SHARE)
Added fast seek feature. (_USE_FASTSEEK)
Changed some types on the API, XCHAR->TCHAR.
Changed .fname in the FILINFO structure on Unicode cfg.
String functions support UTF-8 encoding files on Unicode cfg.
R0.08a (August 16, 2010)
Added f_getcwd(). (_FS_RPATH = 2)
Added sector erase feature. (_USE_ERASE)
Moved file lock semaphore table from fs object to the bss.
Fixed f_mkfs() creates wrong FAT32 volume.
R0.08b (January 15, 2011)
Fast seek feature is also applied to f_read() and f_write().
f_lseek() reports required table size on creating CLMP.
Extended format syntax of f_printf().
Ignores duplicated directory separators in given path name.
R0.09 (September 06, 2011)
f_mkfs() supports multiple partition to complete the multiple partition feature.
Added f_fdisk().
R0.09a (August 27, 2012)
Changed f_open() and f_opendir() reject null object pointer to avoid crash.
Changed option name _FS_SHARE to _FS_LOCK.
Fixed assertion failure due to OS/2 EA on FAT12/16 volume.
R0.09b (January 24, 2013)
Added f_setlabel() and f_getlabel().
R0.10 (October 02, 2013)
Added selection of character encoding on the file. (_STRF_ENCODE)
Added f_closedir().
Added forced full FAT scan for f_getfree(). (_FS_NOFSINFO)
Added forced mount feature with changes of f_mount().
Improved behavior of volume auto detection.
Improved write throughput of f_puts() and f_printf().
Changed argument of f_chdrive(), f_mkfs(), disk_read() and disk_write().
Fixed f_write() can be truncated when the file size is close to 4GB.
Fixed f_open(), f_mkdir() and f_setlabel() can return incorrect value on error.
R0.10a (January 15, 2014)
Added arbitrary strings as drive number in the path name. (_STR_VOLUME_ID)
Added a configuration option of minimum sector size. (_MIN_SS)
2nd argument of f_rename() can have a drive number and it will be ignored.
Fixed f_mount() with forced mount fails when drive number is >= 1. (appeared at R0.10)
Fixed f_close() invalidates the file object without volume lock.
Fixed f_closedir() returns but the volume lock is left acquired. (appeared at R0.10)
Fixed creation of an entry with LFN fails on too many SFN collisions. (appeared at R0.07)
R0.10b (May 19, 2014)
Fixed a hard error in the disk I/O layer can collapse the directory entry.
Fixed LFN entry is not deleted when delete/rename an object with lossy converted SFN. (appeared at R0.07)
R0.10c (November 09, 2014)
Added a configuration option for the platforms without RTC. (_FS_NORTC)
Changed option name _USE_ERASE to _USE_TRIM.
Fixed volume label created by Mac OS X cannot be retrieved with f_getlabel(). (appeared at R0.09b)
Fixed a potential problem of FAT access that can appear on disk error.
Fixed null pointer dereference on attempting to delete the root direcotry. (appeared at R0.08)
R0.11 (February 09, 2015)
Added f_findfirst(), f_findnext() and f_findclose(). (_USE_FIND)
Fixed f_unlink() does not remove cluster chain of the file. (appeared at R0.10c)
Fixed _FS_NORTC option does not work properly. (appeared at R0.10c)
R0.11a (September 05, 2015)
Fixed wrong media change can lead a deadlock at thread-safe configuration.
Added code page 771, 860, 861, 863, 864, 865 and 869. (_CODE_PAGE)
Removed some code pages actually not exist on the standard systems. (_CODE_PAGE)
Fixed errors in the case conversion teble of code page 437 and 850 (ff.c).
Fixed errors in the case conversion teble of Unicode (cc*.c).
R0.12 (April 12, 2016)
Added support for exFAT file system. (_FS_EXFAT)
Added f_expand(). (_USE_EXPAND)
Changed some members in FINFO structure and behavior of f_readdir().
Added an option _USE_CHMOD.
Removed an option _WORD_ACCESS.
Fixed errors in the case conversion table of Unicode (cc*.c).
R0.12a (July 10, 2016)
Added support for creating exFAT volume with some changes of f_mkfs().
Added a file open method FA_OPEN_APPEND. An f_lseek() following f_open() is no longer needed.
f_forward() is available regardless of _FS_TINY.
Fixed f_mkfs() creates wrong volume. (appeared at R0.12)
Fixed wrong memory read in create_name(). (appeared at R0.12)
Fixed compilation fails at some configurations, _USE_FASTSEEK and _USE_FORWARD.
R0.12b (September 04, 2016)
Made f_rename() be able to rename objects with the same name but case.
Fixed an error in the case conversion teble of code page 866. (ff.c)
Fixed writing data is truncated at the file offset 4GiB on the exFAT volume. (appeared at R0.12)
Fixed creating a file in the root directory of exFAT volume can fail. (appeared at R0.12)
Fixed f_mkfs() creating exFAT volume with too small cluster size can collapse unallocated memory. (appeared at R0.12)
Fixed wrong object name can be returned when read directory at Unicode cfg. (appeared at R0.12)
Fixed large file allocation/removing on the exFAT volume collapses allocation bitmap. (appeared at R0.12)
Fixed some internal errors in f_expand() and f_lseek(). (appeared at R0.12)
R0.12c (March 04, 2017)
Improved write throughput at the fragmented file on the exFAT volume.
Made memory usage for exFAT be able to be reduced as decreasing _MAX_LFN.
Fixed successive f_getfree() can return wrong count on the FAT12/16 volume. (appeared at R0.12)
Fixed configuration option _VOLUMES cannot be set 10. (appeared at R0.10c)
R0.13 (May 21, 2017)
Changed heading character of configuration keywords "_" to "FF_".
Removed ASCII-only configuration, FF_CODE_PAGE = 1. Use FF_CODE_PAGE = 437 instead.
Added f_setcp(), run-time code page configuration. (FF_CODE_PAGE = 0)
Improved cluster allocation time on stretch a deep buried cluster chain.
Improved processing time of f_mkdir() with large cluster size by using FF_USE_LFN = 3.
Improved NoFatChain flag of the fragmented file to be set after it is truncated and got contiguous.
Fixed archive attribute is left not set when a file on the exFAT volume is renamed. (appeared at R0.12)
Fixed exFAT FAT entry can be collapsed when write or lseek operation to the existing file is done. (appeared at R0.12c)
Fixed creating a file can fail when a new cluster allocation to the exFAT directory occures. (appeared at R0.12c)
R0.13a (October 14, 2017)
Added support for UTF-8 encoding on the API. (FF_LFN_UNICODE = 2)
Added options for file name output buffer. (FF_LFN_BUF, FF_SFN_BUF).
Added dynamic memory allocation option for working buffer of f_mkfs() and f_fdisk().
Fixed f_fdisk() and f_mkfs() create the partition table with wrong CHS parameters. (appeared at R0.09)
Fixed f_unlink() can cause lost clusters at fragmented file on the exFAT volume. (appeared at R0.12c)
Fixed f_setlabel() rejects some valid characters for exFAT volume. (appeared at R0.12)
R0.13b (April 07, 2018)
Added support for UTF-32 encoding on the API. (FF_LFN_UNICODE = 3)
Added support for Unix style volume ID. (FF_STR_VOLUME_ID = 2)
Fixed accesing any object on the exFAT root directory beyond the cluster boundary can fail. (appeared at R0.12c)
Fixed f_setlabel() does not reject some invalid characters. (appeared at R0.09b)
R0.13c (October 14, 2018)
Supported stdint.h for C99 and later. (integer.h was included in ff.h)
Fixed reading a directory gets infinite loop when the last directory entry is not empty. (appeared at R0.12)
Fixed creating a sub-directory in the fragmented sub-directory on the exFAT volume collapses FAT chain of the parent directory. (appeared at R0.12)
Fixed f_getcwd() cause output buffer overrun when the buffer has a valid drive number. (appeared at R0.13b)
R0.14 (October 14, 2019)
Added support for 64-bit LBA and GUID partition table (FF_LBA64 = 1)
Changed some API functions, f_mkfs() and f_fdisk().
Fixed f_open() function cannot find the file with file name in length of FF_MAX_LFN characters.
Fixed f_readdir() function cannot retrieve long file names in length of FF_MAX_LFN - 1 characters.
Fixed f_readdir() function returns file names with wrong case conversion. (appeared at R0.12)
Fixed f_mkfs() function can fail to create exFAT volume in the second partition. (appeared at R0.12)

21
fs/fatfs/00readme.txt Normal file
View File

@@ -0,0 +1,21 @@
FatFs Module Source Files R0.14
FILES
00readme.txt This file.
00history.txt Revision history.
ff.c FatFs module.
ffconf.h Configuration file of FatFs module.
ff.h Common include file for FatFs and application module.
diskio.h Common include file for FatFs and disk I/O module.
diskio.c An example of glue function to attach existing disk I/O module to FatFs.
ffunicode.c Optional Unicode utility functions.
ffsystem.c An example of optional O/S related functions.
Low level disk I/O module is not included in this archive because the FatFs
module is only a generic file system layer and it does not depend on any specific
storage device. You need to provide a low level disk I/O module written to
control the storage device that attached to the target system.

0
fs/fatfs/Kconfig Normal file
View File

4
fs/fatfs/Makefile Normal file
View File

@@ -0,0 +1,4 @@
SRC_FILES := diskio.c fatfs.c ff.c ffsystem.c ffunicode.c
include $(KERNEL_ROOT)/compiler.mk

195
fs/fatfs/diskio.c Normal file
View File

@@ -0,0 +1,195 @@
/*-----------------------------------------------------------------------*/
/* Low level disk I/O module skeleton for FatFs (C)ChaN, 2019 */
/*-----------------------------------------------------------------------*/
/* If a working storage control module is available, it should be */
/* attached to the FatFs via a glue function rather than modifying it. */
/* This is an example of glue functions to attach various exsisting */
/* storage control modules to the FatFs module with a defined API. */
/*-----------------------------------------------------------------------*/
/*
* Modified by: AIIT XUOS Lab
* Modified date: 2020-08-25
* Description: implement disk I/O interfaces with XiUOS driver APIs
*/
#include "ff.h" /* Obtains integer types */
#include "diskio.h" /* Declarations of disk functions */
#include <xiuos.h>
#include <bus.h>
#include <bus_usb.h>
#include <dev_usb.h>
/* Definitions of physical drive number for each drive */
#define DEV_RAM 0 /* Example: Map Ramdisk to physical drive 0 */
#define DEV_MMC 1 /* Example: Map MMC/SD card to physical drive 1 */
#define DEV_USB 2 /* Example: Map USB MSD to physical drive 2 */
extern struct ff_disk ff_disks[FF_VOLUMES];
/*-----------------------------------------------------------------------*/
/* Get Drive Status */
/*-----------------------------------------------------------------------*/
DSTATUS disk_status (
BYTE pdrv /* Physical drive nmuber to identify the drive */
)
{
return RES_OK;
}
/*-----------------------------------------------------------------------*/
/* Inidialize a Drive */
/*-----------------------------------------------------------------------*/
DSTATUS disk_initialize (
BYTE pdrv /* Physical drive nmuber to identify the drive */
)
{
return RES_OK;
}
/*-----------------------------------------------------------------------*/
/* Read Sector(s) */
/*-----------------------------------------------------------------------*/
DRESULT disk_read (
BYTE pdrv, /* Physical drive nmuber to identify the drive */
BYTE *buff, /* Data buffer to store read data */
LBA_t sector, /* Start sector in LBA */
UINT count /* Number of sectors to read */
)
{
struct ff_disk *disk = &ff_disks[pdrv];
if (disk->dev) {
struct BusBlockReadParam param;
param.pos = sector;
param.buffer = buff;
param.size = count;
if (BusDevReadData(disk->dev, &param) == count)
{
return RES_OK;
}
return RES_ERROR;
} else {
return RES_ERROR;
}
}
/*-----------------------------------------------------------------------*/
/* Write Sector(s) */
/*-----------------------------------------------------------------------*/
#if FF_FS_READONLY == 0
DRESULT disk_write (
BYTE pdrv, /* Physical drive nmuber to identify the drive */
const BYTE *buff, /* Data to be written */
LBA_t sector, /* Start sector in LBA */
UINT count /* Number of sectors to write */
)
{
struct ff_disk *disk = &ff_disks[pdrv];
if (disk->dev) {
struct BusBlockWriteParam param;
param.pos = sector;
param.buffer = buff;
param.size = count;
if (BusDevWriteData(disk->dev, &param) == count)
{
return RES_OK;
}
return RES_ERROR;
} else {
return RES_ERROR;
}
}
#endif
/*-----------------------------------------------------------------------*/
/* Miscellaneous Functions */
/*-----------------------------------------------------------------------*/
DRESULT disk_ioctl (
BYTE pdrv, /* Physical drive nmuber (0..) */
BYTE cmd, /* Control code */
void *buff /* Buffer to send/receive control data */
)
{
struct ff_disk *disk = &ff_disks[pdrv];
if (disk->dev == NONE)
return RES_ERROR;
if (cmd == GET_SECTOR_COUNT) {
struct HalDevBlockParam block_param;
if (disk->dev->dev_block_control == NONE)
return RES_OK;
memset(&block_param, 0, sizeof(block_param));
block_param.cmd = OPER_BLK_GETGEOME;
disk->dev->dev_block_control(disk->dev, &block_param);
*(DWORD *)buff = block_param.dev_block.bank_num;
if (block_param.dev_block.bank_num == 0)
return RES_ERROR;
} else if (cmd == GET_SECTOR_SIZE) {
struct HalDevBlockParam block_param;
if (disk->dev->dev_block_control == NONE)
return RES_OK;
memset(&block_param, 0, sizeof(block_param));
block_param.cmd = OPER_BLK_GETGEOME;
disk->dev->dev_block_control(disk->dev, &block_param);
*(WORD *)buff = (WORD)(block_param.dev_block.size_perbank);
} else if (cmd == GET_BLOCK_SIZE) {
struct HalDevBlockParam block_param;
if (disk->dev->dev_block_control == NONE)
return RES_OK;
memset(&block_param, 0, sizeof(block_param));
block_param.cmd = OPER_BLK_GETGEOME;
disk->dev->dev_block_control(disk->dev, &block_param);
*(DWORD *)buff = block_param.dev_block.block_size / block_param.dev_block.size_perbank;
} else if (cmd == CTRL_SYNC) {
struct HalDevBlockParam block_param;
if (disk->dev->dev_block_control == NONE)
return RES_OK;
memset(&block_param, 0, sizeof(block_param));
block_param.cmd = OPER_BLK_SYNC;
disk->dev->dev_block_control(disk->dev, &block_param);
} else if (cmd == CTRL_TRIM) {
struct HalDevBlockParam block_param;
if (disk->dev->dev_block_control == NONE)
return RES_OK;
memset(&block_param, 0, sizeof(block_param));
block_param.cmd = OPER_BLK_ERASE;
disk->dev->dev_block_control(disk->dev, &block_param);
}
return RES_OK;
}

89
fs/fatfs/diskio.h Normal file
View File

@@ -0,0 +1,89 @@
/*-----------------------------------------------------------------------/
/ Low level disk interface modlue include file (C)ChaN, 2019 /
/-----------------------------------------------------------------------*/
/*
* Modified by: AIIT XUOS Lab
* Modified date: 2020-08-25
* Description: add ff_disk definition
*/
#ifndef _DISKIO_DEFINED
#define _DISKIO_DEFINED
#include <bus.h>
#ifdef __cplusplus
extern "C" {
#endif
struct ff_disk {
HardwareDevType dev;
};
/* Status of Disk Functions */
typedef BYTE DSTATUS;
/* Results of Disk Functions */
typedef enum {
RES_OK = 0, /* 0: Successful */
RES_ERROR, /* 1: R/W Error */
RES_WRPRT, /* 2: Write Protected */
RES_NOTRDY, /* 3: Not Ready */
RES_PARERR /* 4: Invalid Parameter */
} DRESULT;
/*---------------------------------------*/
/* Prototypes for disk control functions */
DSTATUS disk_initialize (BYTE pdrv);
DSTATUS disk_status (BYTE pdrv);
DRESULT disk_read (BYTE pdrv, BYTE* buff, LBA_t sector, UINT count);
DRESULT disk_write (BYTE pdrv, const BYTE* buff, LBA_t sector, UINT count);
DRESULT disk_ioctl (BYTE pdrv, BYTE cmd, void* buff);
/* Disk Status Bits (DSTATUS) */
#define STA_NOINIT 0x01 /* Drive not initialized */
#define STA_NODISK 0x02 /* No medium in the drive */
#define STA_PROTECT 0x04 /* Write protected */
/* Command code for disk_ioctrl fucntion */
/* Generic command (Used by FatFs) */
#define CTRL_SYNC 0 /* Complete pending write process (needed at FF_FS_READONLY == 0) */
#define GET_SECTOR_COUNT 1 /* Get media size (needed at FF_USE_MKFS == 1) */
#define GET_SECTOR_SIZE 2 /* Get sector size (needed at FF_MAX_SS != FF_MIN_SS) */
#define GET_BLOCK_SIZE 3 /* Get erase block size (needed at FF_USE_MKFS == 1) */
#define CTRL_TRIM 4 /* Inform device that the data on the block of sectors is no longer used (needed at FF_USE_TRIM == 1) */
/* Generic command (Not used by FatFs) */
#define CTRL_POWER 5 /* Get/Set power status */
#define CTRL_LOCK 6 /* Lock/Unlock media removal */
#define CTRL_EJECT 7 /* Eject media */
#define CTRL_FORMAT 8 /* Create physical format on the media */
/* MMC/SDC specific ioctl command */
#define MMC_GET_TYPE 10 /* Get card type */
#define MMC_GET_CSD 11 /* Get CSD */
#define MMC_GET_CID 12 /* Get CID */
#define MMC_GET_OCR 13 /* Get OCR */
#define MMC_GET_SDSTAT 14 /* Get SD status */
#define ISDIO_READ 55 /* Read data form SD iSDIO register */
#define ISDIO_WRITE 56 /* Write data to SD iSDIO register */
#define ISDIO_MRITE 57 /* Masked write data to SD iSDIO register */
/* ATA/CF specific ioctl command */
#define ATA_GET_REV 20 /* Get F/W revision */
#define ATA_GET_MODEL 21 /* Get model name */
#define ATA_GET_SN 22 /* Get serial number */
#ifdef __cplusplus
}
#endif
#endif

514
fs/fatfs/fatfs.c Normal file
View File

@@ -0,0 +1,514 @@
/*
* Copyright (c) 2020 AIIT XUOS Lab
* XiUOS is licensed under Mulan PSL v2.
* You can use this software according to the terms and conditions of the Mulan PSL v2.
* You may obtain a copy of Mulan PSL v2 at:
* http://license.coscl.org.cn/MulanPSL2
* THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND,
* EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT,
* MERCHANTABILITY OR FIT FOR A PARTICULAR PURPOSE.
* See the Mulan PSL v2 for more details.
*/
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include <stdint.h>
#include <xiuos.h>
#include <iot-vfs.h>
#include <ff.h>
#include <ffconf.h>
#include <diskio.h>
/* copy from xs_base.h */
#define DK_UNKNOWN 0x00
#define DK_REG 0x01
#define DK_DIR 0x02
struct ff_disk ff_disks[FF_VOLUMES];
static int TranslateError(FRESULT error)
{
int status = EOK;
switch (error) {
case FR_OK:
break;
case FR_NO_FILE:
case FR_NO_PATH:
case FR_NO_FILESYSTEM:
status = -ENOENT;
break;
case FR_INVALID_NAME:
status = -EINVAL;
break;
case FR_EXIST:
case FR_INVALID_OBJECT:
status = -EEXIST;
break;
case FR_DISK_ERR:
case FR_NOT_READY:
case FR_INT_ERR:
status = -EIO;
break;
case FR_WRITE_PROTECTED:
case FR_DENIED:
status = -EROFS;
break;
case FR_MKFS_ABORTED:
status = -EINVAL;
break;
default:
status = -1;
break;
}
return status;
}
static int GetDisk(HardwareDevType dev)
{
for (int i = 0; i < FF_VOLUMES; i++)
if (ff_disks[i].dev == dev)
return i;
return -1;
}
static char *MakeFatfsPath(const struct MountPoint *mp,
const char *relpath)
{
int i = GetDisk(mp->dev);
char *ff_path = malloc(strlen(relpath) + 8);
sprintf(ff_path, "%d:/%s", i, relpath);
return ff_path;
}
static int FatfsOpen(struct FileDescriptor *fdp, const char *path)
{
FRESULT res;
uint8_t fs_mode;
FIL *file;
char *ff_path;
file = malloc(sizeof(FIL));
if (file == NULL)
return -ENOMEM;
memset(file, 0, sizeof(FIL));
fdp->data = file;
fs_mode = FA_READ | FA_WRITE | FA_OPEN_ALWAYS;
ff_path = MakeFatfsPath(fdp->mntp, path);
res = f_open(fdp->data, ff_path, fs_mode);
free(ff_path);
return TranslateError(res);
}
static int FatfsClose(struct FileDescriptor *fdp)
{
FRESULT res;
res = f_close(fdp->data);
/* Free file ptr memory */
if (res == FR_OK) {
free(fdp->data);
fdp->data = NULL;
}
return TranslateError(res);
}
static ssize_t FatfsRead(struct FileDescriptor *fdp, void *dst, size_t len)
{
FRESULT res;
unsigned int br;
res = f_read(fdp->data, dst, len, &br);
if (res != FR_OK)
return TranslateError(res);
return br;
}
static ssize_t FatfsWrite(struct FileDescriptor *fdp, const void *src, size_t len)
{
FRESULT res;
unsigned int bw;
res = f_write(fdp->data, src, len, &bw);
if (res != FR_OK)
return TranslateError(res);
return bw;
}
static int FatfsSeek(struct FileDescriptor *fdp, off_t offset, int whence,
off_t *new_offset)
{
FRESULT res = FR_OK;
off_t pos;
switch (whence) {
case SEEK_SET:
pos = offset;
break;
case SEEK_CUR:
pos = f_tell((FIL *)fdp->data) + offset;
break;
case SEEK_END:
pos = f_size((FIL *)fdp->data) + offset;
break;
default:
return -EINVAL;
}
if ((pos < 0) || (pos > f_size((FIL *)fdp->data)))
return -EINVAL;
res = f_lseek(fdp->data, pos);
*new_offset = (off_t)f_tell((FIL *)fdp->data);
return TranslateError(res);
}
static off_t FatfsTell(struct FileDescriptor *fdp)
{
return f_tell((FIL *)fdp->data);
}
static int FatfsTruncate(struct FileDescriptor *fdp, off_t length)
{
FRESULT res = FR_OK;
off_t curr_len = f_size((FIL *)fdp->data);
/* expand file if new position is larger than file size */
res = f_lseek(fdp->data, length);
if (res != FR_OK)
return TranslateError(res);
if (length < curr_len)
res = f_truncate(fdp->data);
else {
/* get actual length */
length = f_tell((FIL *)fdp->data);
res = f_lseek(fdp->data, curr_len);
if (res != FR_OK)
return TranslateError(res);
unsigned int bw;
uint8_t c = 0;
for (int i = curr_len; i < length; i++) {
res = f_write(fdp->data, &c, 1, &bw);
if (res != FR_OK)
break;
}
}
return TranslateError(res);
}
static int FatfsSync(struct FileDescriptor *fdp)
{
FRESULT res = FR_OK;
res = f_sync(fdp->data);
return TranslateError(res);
}
static int FatfsOpendir(struct FileDescriptor *fdp, const char *path)
{
FRESULT res;
DIR *dir;
char *ff_path;
dir = malloc(sizeof(DIR));
if (dir == NULL)
return -ENOMEM;
memset(dir, 0, sizeof(DIR));
fdp->data = dir;
ff_path = MakeFatfsPath(fdp->mntp, path);
res = f_opendir((DIR *)fdp->data, ff_path);
free(ff_path);
return TranslateError(res);
}
static int FatfsClosedir(struct FileDescriptor *fdp)
{
FRESULT res;
res = f_closedir(fdp->data);
if (res == FR_OK) {
free(fdp->data);
fdp->data = NULL;
}
return TranslateError(res);
}
static int FatfsReaddir(struct FileDescriptor *fdp, struct dirent *dirent)
{
FRESULT res;
FILINFO fno;
res = f_readdir(fdp->data, &fno);
if (res == FR_OK) {
dirent->d_kind = (fno.fattrib & AM_DIR) ? DK_DIR : DK_REG;
strcpy(dirent->d_name, fno.fname);
}
return TranslateError(res);
}
static int FatfsMount(struct MountPoint *mp)
{
FRESULT res;
char ff_mnt_point[16];
int i = GetDisk(NULL);
if (i < 0)
return -ENOENT;
ff_disks[i].dev = mp->dev;
sprintf(ff_mnt_point, "%d:", i);
mp->fs_data = malloc(sizeof(FATFS));
if (mp->fs_data == NULL)
return -ENOMEM;
res = f_mount((FATFS *)mp->fs_data, ff_mnt_point, 1);
if (res == FR_NO_FILESYSTEM) {
/* create filesystem if not found */
uint8_t work[FF_MAX_SS];
MKFS_PARM parm = {FM_FAT | FM_SFD, 0, 0, 0, 0};
res = f_mkfs(ff_mnt_point, &parm, work, sizeof(work));
if (res == FR_OK)
res = f_mount((FATFS *)mp->fs_data, ff_mnt_point, 1);
}
CHECK(res == FR_OK);
return TranslateError(res);
}
static int FatfsUnmount(struct MountPoint *mp)
{
FRESULT res;
char ff_mnt_point[16];
int i = GetDisk(mp->dev);
if (i < 0)
return -ENOENT;
sprintf(ff_mnt_point, "%d:", i);
res = f_mount(NULL, ff_mnt_point, 0);
if (res == 0) {
ff_disks[i].dev = NULL;
}
return TranslateError(res);
}
static int FatfsUnlink(struct MountPoint *mp, const char *path)
{
FRESULT res;
char *ff_path;
ff_path = MakeFatfsPath(mp, path);
res = f_unlink(ff_path);
free(ff_path);
return TranslateError(res);
}
static int FatfsRename(struct MountPoint *mp, const char *from,
const char *to)
{
FRESULT res;
FILINFO fno;
char *ff_path_from, *ff_path_to;
ff_path_from = MakeFatfsPath(mp, from);
ff_path_to = MakeFatfsPath(mp, to);
/* remove if "to" already exists */
res = f_stat(ff_path_to, &fno);
if (FR_OK == res) {
res = f_unlink(ff_path_to);
if (FR_OK != res)
goto err;
}
res = f_rename(ff_path_from, ff_path_to);
err:
free(ff_path_from);
free(ff_path_to);
return TranslateError(res);
}
static int FatfsMkdir(struct MountPoint *mp, const char *path)
{
FRESULT res;
char *ff_path;
ff_path = MakeFatfsPath(mp, path);
res = f_mkdir(ff_path);
free(ff_path);
return TranslateError(res);
}
static int FatfsStat(struct MountPoint *mp, const char *path,
struct FileStat *buf)
{
FRESULT res;
FILINFO fno;
char *ff_path;
struct tm tm;
int year, mon, day, hour, min, sec;
WORD tmp;
ff_path = MakeFatfsPath(mp, path);
res = f_stat(ff_path, &fno);
if (res != FR_OK)
goto err;
buf->type = (fno.fattrib & AM_DIR) ? FTYPE_DIR : FTYPE_FILE;
strcpy(buf->name, fno.fname);
buf->size = fno.fsize;
// tmp = fno.fdate;
// day = tmp & 0x1f;
// tmp >>= 5;
// mon = tmp & 0x0f;
// tmp >>= 4;
// year = (tmp & 0x7f) + 1980;
// tmp = fno.ftime;
// sec = (tmp & 0x1f) * 2;
// tmp >>= 5;
// min = tmp & 0x3f;
// tmp >>= 6;
// hour = tmp & 0x1f;
// memset(&tm, 0, sizeof(tm));
// tm.tm_year = year - 1900;
// tm.tm_mon = mon - 1;
// tm.tm_mday = day;
// tm.tm_hour = hour;
// tm.tm_min = min;
// tm.tm_sec = sec;
// buf->mtime = mktime(&tm);
buf->mtime = 1580486400; /* 2020/01/01 00:00:00 */
err:
free(ff_path);
return TranslateError(res);
}
static int FatfsStatvfs(struct MountPoint *mp, const char *path,
struct statfs *buf)
{
FATFS *fs;
FRESULT res;
char *ff_mnt_point;
DWORD fre_clust, fre_sect, tot_sect;
fs = mp->fs_data;
ff_mnt_point = MakeFatfsPath(mp, "");
res = f_getfree(ff_mnt_point, &fre_clust, &fs);
free(ff_mnt_point);
if (res != FR_OK)
return -EIO;
tot_sect = (fs->n_fatent - 2) * fs->csize;
fre_sect = fre_clust * fs->csize;
buf->f_bfree = fre_sect;
buf->f_blocks = tot_sect;
#if FF_MAX_SS != 512
buf->f_bsize = fs->ssize;
#else
buf->f_bsize = 512;
#endif
return TranslateError(res);
}
/* fatfs filesystem interface */
static struct Filesystem fatfs_fs = {
.open = FatfsOpen,
.close = FatfsClose,
.read = FatfsRead,
.write = FatfsWrite,
.seek = FatfsSeek,
.tell = FatfsTell,
.truncate = FatfsTruncate,
.sync = FatfsSync,
.ioctl = NULL,
.poll = NULL,
.opendir = FatfsOpendir,
.closedir = FatfsClosedir,
.readdir = FatfsReaddir,
.seekdir = NULL,
.mount = FatfsMount,
.unmount = FatfsUnmount,
.unlink = FatfsUnlink,
.rename = FatfsRename,
.mkdir = FatfsMkdir,
.stat = FatfsStat,
.statvfs = FatfsStatvfs,
};
int FatfsInit()
{
return RegisterFilesystem(FSTYPE_FATFS, &fatfs_fs);
}
DWORD GetFatTime(void)
{
DWORD fat_time = 0;
#ifdef LIB
time_t now;
struct tm *p_tm;
struct tm tm_now;
x_base lock;
/* get current time */
now = time(NONE);
/* lock scheduler. */
lock = CriticalAreaLock();
/* converts calendar time time into local time. */
p_tm = localtime(&now);
/* copy the statically located variable */
memcpy(&tm_now, p_tm, sizeof(struct tm));
/* unlock scheduler. */
CriticalAreaUnLock(lock);
fat_time = (DWORD)(tm_now.tm_year - 80) << 25 |
(DWORD)(tm_now.tm_mon + 1) << 21 |
(DWORD)tm_now.tm_mday << 16 |
(DWORD)tm_now.tm_hour << 11 |
(DWORD)tm_now.tm_min << 5 |
(DWORD)tm_now.tm_sec / 2 ;
#endif /* LIB */
return fat_time;
}

6853
fs/fatfs/ff.c Normal file
View File

File diff suppressed because it is too large Load Diff

431
fs/fatfs/ff.h Normal file
View File

@@ -0,0 +1,431 @@
/*----------------------------------------------------------------------------/
/ FatFs - Generic FAT Filesystem module R0.14 /
/-----------------------------------------------------------------------------/
/
/ Copyright (C) 2019, ChaN, all right reserved.
/
/ FatFs module is an open source software. Redistribution and use of FatFs in
/ source and binary forms, with or without modification, are permitted provided
/ that the following condition is met:
/ 1. Redistributions of source code must retain the above copyright notice,
/ this condition and the following disclaimer.
/
/ This software is provided by the copyright holder and contributors "AS IS"
/ and any warranties related to this software are DISCLAIMED.
/ The copyright owner or contributors be NOT LIABLE for any damages caused
/ by use of this software.
/
/----------------------------------------------------------------------------*/
/*
* Modified by: AIIT XUOS Lab
* Modified date: 2020-08-25
* Description: untouched
*/
#ifndef FF_DEFINED
#define FF_DEFINED 86606 /* Revision ID */
#ifdef __cplusplus
extern "C" {
#endif
#include "ffconf.h" /* FatFs configuration options */
#if FF_DEFINED != FFCONF_DEF
#error Wrong configuration file (ffconf.h).
#endif
/* Integer types used for FatFs API */
#if defined(_WIN32) /* Main development platform */
#define FF_INTDEF 2
#include <windows.h>
typedef unsigned __int64 QWORD;
#elif (defined(__STDC_VERSION__) && __STDC_VERSION__ >= 199901L) || defined(__cplusplus) /* C99 or later */
#define FF_INTDEF 2
#include <stdint.h>
typedef unsigned int UINT; /* int must be 16-bit or 32-bit */
typedef unsigned char BYTE; /* char must be 8-bit */
typedef uint16_t WORD; /* 16-bit unsigned integer */
typedef uint32_t DWORD; /* 32-bit unsigned integer */
typedef uint64_t QWORD; /* 64-bit unsigned integer */
typedef WORD WCHAR; /* UTF-16 character type */
#else /* Earlier than C99 */
#define FF_INTDEF 1
typedef unsigned int UINT; /* int must be 16-bit or 32-bit */
typedef unsigned char BYTE; /* char must be 8-bit */
typedef unsigned short WORD; /* 16-bit unsigned integer */
typedef unsigned long DWORD; /* 32-bit unsigned integer */
typedef WORD WCHAR; /* UTF-16 character type */
#endif
/* Definitions of volume management */
#if FF_MULTI_PARTITION /* Multiple partition configuration */
typedef struct {
BYTE pd; /* Physical drive number */
BYTE pt; /* Partition: 0:Auto detect, 1-4:Forced partition) */
} PARTITION;
extern PARTITION VolToPart[]; /* Volume - Partition mapping table */
#endif
#if FF_STR_VOLUME_ID
#ifndef FF_VOLUME_STRS
extern const char* VolumeStr[FF_VOLUMES]; /* User defied volume ID */
#endif
#endif
/* Type of path name strings on FatFs API */
#ifndef _INC_TCHAR
#define _INC_TCHAR
#if FF_USE_LFN && FF_LFN_UNICODE == 1 /* Unicode in UTF-16 encoding */
typedef WCHAR TCHAR;
#define _T(x) L ## x
#define _TEXT(x) L ## x
#elif FF_USE_LFN && FF_LFN_UNICODE == 2 /* Unicode in UTF-8 encoding */
typedef char TCHAR;
#define _T(x) u8 ## x
#define _TEXT(x) u8 ## x
#elif FF_USE_LFN && FF_LFN_UNICODE == 3 /* Unicode in UTF-32 encoding */
typedef DWORD TCHAR;
#define _T(x) U ## x
#define _TEXT(x) U ## x
#elif FF_USE_LFN && (FF_LFN_UNICODE < 0 || FF_LFN_UNICODE > 3)
#error Wrong FF_LFN_UNICODE setting
#else /* ANSI/OEM code in SBCS/DBCS */
typedef char TCHAR;
#define _T(x) x
#define _TEXT(x) x
#endif
#endif
/* Type of file size and LBA variables */
#if FF_FS_EXFAT
#if FF_INTDEF != 2
#error exFAT feature wants C99 or later
#endif
typedef QWORD FSIZE_t;
#if FF_LBA64
typedef QWORD LBA_t;
#else
typedef DWORD LBA_t;
#endif
#else
#if FF_LBA64
#error exFAT needs to be enabled when enable 64-bit LBA
#endif
typedef DWORD FSIZE_t;
typedef DWORD LBA_t;
#endif
/* Filesystem object structure (FATFS) */
typedef struct {
BYTE fs_type; /* Filesystem type (0:not mounted) */
BYTE pdrv; /* Associated physical drive */
BYTE n_fats; /* Number of FATs (1 or 2) */
BYTE wflag; /* win[] flag (b0:dirty) */
BYTE fsi_flag; /* FSINFO flags (b7:disabled, b0:dirty) */
WORD id; /* Volume mount ID */
WORD n_rootdir; /* Number of root directory entries (FAT12/16) */
WORD csize; /* Cluster size [sectors] */
#if FF_MAX_SS != FF_MIN_SS
WORD ssize; /* Sector size (512, 1024, 2048 or 4096) */
#endif
#if FF_USE_LFN
WCHAR* lfnbuf; /* LFN working buffer */
#endif
#if FF_FS_EXFAT
BYTE* dirbuf; /* Directory entry block scratchpad buffer for exFAT */
#endif
#if FF_FS_REENTRANT
FF_SYNC_t sobj; /* Identifier of sync object */
#endif
#if !FF_FS_READONLY
DWORD last_clst; /* Last allocated cluster */
DWORD free_clst; /* Number of free clusters */
#endif
#if FF_FS_RPATH
DWORD cdir; /* Current directory start cluster (0:root) */
#if FF_FS_EXFAT
DWORD cdc_scl; /* Containing directory start cluster (invalid when cdir is 0) */
DWORD cdc_size; /* b31-b8:Size of containing directory, b7-b0: Chain status */
DWORD cdc_ofs; /* Offset in the containing directory (invalid when cdir is 0) */
#endif
#endif
DWORD n_fatent; /* Number of FAT entries (number of clusters + 2) */
DWORD fsize; /* Size of an FAT [sectors] */
LBA_t volbase; /* Volume base sector */
LBA_t fatbase; /* FAT base sector */
LBA_t dirbase; /* Root directory base sector/cluster */
LBA_t database; /* Data base sector */
#if FF_FS_EXFAT
LBA_t bitbase; /* Allocation bitmap base sector */
#endif
LBA_t winsect; /* Current sector appearing in the win[] */
BYTE win[FF_MAX_SS]; /* Disk access window for Directory, FAT (and file data at tiny cfg) */
} FATFS;
/* Object ID and allocation information (FFOBJID) */
typedef struct {
FATFS* fs; /* Pointer to the hosting volume of this object */
WORD id; /* Hosting volume mount ID */
BYTE attr; /* Object attribute */
BYTE stat; /* Object chain status (b1-0: =0:not contiguous, =2:contiguous, =3:fragmented in this session, b2:sub-directory stretched) */
DWORD sclust; /* Object data start cluster (0:no cluster or root directory) */
FSIZE_t objsize; /* Object size (valid when sclust != 0) */
#if FF_FS_EXFAT
DWORD n_cont; /* Size of first fragment - 1 (valid when stat == 3) */
DWORD n_frag; /* Size of last fragment needs to be written to FAT (valid when not zero) */
DWORD c_scl; /* Containing directory start cluster (valid when sclust != 0) */
DWORD c_size; /* b31-b8:Size of containing directory, b7-b0: Chain status (valid when c_scl != 0) */
DWORD c_ofs; /* Offset in the containing directory (valid when file object and sclust != 0) */
#endif
#if FF_FS_LOCK
UINT lockid; /* File lock ID origin from 1 (index of file semaphore table Files[]) */
#endif
} FFOBJID;
/* File object structure (FIL) */
typedef struct {
FFOBJID obj; /* Object identifier (must be the 1st member to detect invalid object pointer) */
BYTE flag; /* File status flags */
BYTE err; /* Abort flag (error code) */
FSIZE_t fptr; /* File read/write pointer (Zeroed on file open) */
DWORD clust; /* Current cluster of fpter (invalid when fptr is 0) */
LBA_t sect; /* Sector number appearing in buf[] (0:invalid) */
#if !FF_FS_READONLY
LBA_t dir_sect; /* Sector number containing the directory entry (not used at exFAT) */
BYTE* dir_ptr; /* Pointer to the directory entry in the win[] (not used at exFAT) */
#endif
#if FF_USE_FASTSEEK
DWORD* cltbl; /* Pointer to the cluster link map table (nulled on open, set by application) */
#endif
#if !FF_FS_TINY
BYTE buf[FF_MAX_SS]; /* File private data read/write window */
#endif
} FIL;
/* Directory object structure (DIR) */
typedef struct {
FFOBJID obj; /* Object identifier */
DWORD dptr; /* Current read/write offset */
DWORD clust; /* Current cluster */
LBA_t sect; /* Current sector (0:Read operation has terminated) */
BYTE* dir; /* Pointer to the directory item in the win[] */
BYTE fn[12]; /* SFN (in/out) {body[8],ext[3],status[1]} */
#if FF_USE_LFN
DWORD blk_ofs; /* Offset of current entry block being processed (0xFFFFFFFF:Invalid) */
#endif
#if FF_USE_FIND
const TCHAR* pat; /* Pointer to the name matching pattern */
#endif
} DIR;
/* File information structure (FILINFO) */
typedef struct {
FSIZE_t fsize; /* File size */
WORD fdate; /* Modified date */
WORD ftime; /* Modified time */
BYTE fattrib; /* File attribute */
#if FF_USE_LFN
TCHAR altname[FF_SFN_BUF + 1];/* Altenative file name */
TCHAR fname[FF_LFN_BUF + 1]; /* Primary file name */
#else
TCHAR fname[12 + 1]; /* File name */
#endif
} FILINFO;
/* Format parameter structure (MKFS_PARM) */
typedef struct {
BYTE fmt; /* Format option (FM_FAT, FM_FAT32, FM_EXFAT and FM_SFD) */
BYTE n_fat; /* Number of FATs */
UINT align; /* Data area alignment (sector) */
UINT n_root; /* Number of root directory entries */
DWORD au_size; /* Cluster size (byte) */
} MKFS_PARM;
/* File function return code (FRESULT) */
typedef enum {
FR_OK = 0, /* (0) Succeeded */
FR_DISK_ERR, /* (1) A hard error occurred in the low level disk I/O layer */
FR_INT_ERR, /* (2) Assertion failed */
FR_NOT_READY, /* (3) The physical drive cannot work */
FR_NO_FILE, /* (4) Could not find the file */
FR_NO_PATH, /* (5) Could not find the path */
FR_INVALID_NAME, /* (6) The path name format is invalid */
FR_DENIED, /* (7) Access denied due to prohibited access or directory full */
FR_EXIST, /* (8) Access denied due to prohibited access */
FR_INVALID_OBJECT, /* (9) The file/directory object is invalid */
FR_WRITE_PROTECTED, /* (10) The physical drive is write protected */
FR_INVALID_DRIVE, /* (11) The logical drive number is invalid */
FR_NOT_ENABLED, /* (12) The volume has no work area */
FR_NO_FILESYSTEM, /* (13) There is no valid FAT volume */
FR_MKFS_ABORTED, /* (14) The f_mkfs() aborted due to any problem */
FR_TIMEOUT, /* (15) Could not get a grant to access the volume within defined period */
FR_LOCKED, /* (16) The operation is rejected according to the file sharing policy */
FR_NOT_ENOUGH_CORE, /* (17) LFN working buffer could not be allocated */
FR_TOO_MANY_OPEN_FILES, /* (18) Number of open files > FF_FS_LOCK */
FR_INVALID_PARAMETER /* (19) Given parameter is invalid */
} FRESULT;
/*--------------------------------------------------------------*/
/* FatFs module application interface */
FRESULT f_open (FIL* fp, const TCHAR* path, BYTE mode); /* Open or create a file */
FRESULT f_close (FIL* fp); /* Close an open file object */
FRESULT f_read (FIL* fp, void* buff, UINT btr, UINT* br); /* Read data from the file */
FRESULT f_write (FIL* fp, const void* buff, UINT btw, UINT* bw); /* Write data to the file */
FRESULT f_lseek (FIL* fp, FSIZE_t ofs); /* Move file pointer of the file object */
FRESULT f_truncate (FIL* fp); /* Truncate the file */
FRESULT f_sync (FIL* fp); /* Flush cached data of the writing file */
FRESULT f_opendir (DIR* dp, const TCHAR* path); /* Open a directory */
FRESULT f_closedir (DIR* dp); /* Close an open directory */
FRESULT f_readdir (DIR* dp, FILINFO* fno); /* Read a directory item */
FRESULT f_findfirst (DIR* dp, FILINFO* fno, const TCHAR* path, const TCHAR* pattern); /* Find first file */
FRESULT f_findnext (DIR* dp, FILINFO* fno); /* Find next file */
FRESULT f_mkdir (const TCHAR* path); /* Create a sub directory */
FRESULT f_unlink (const TCHAR* path); /* Delete an existing file or directory */
FRESULT f_rename (const TCHAR* path_old, const TCHAR* path_new); /* Rename/Move a file or directory */
FRESULT f_stat (const TCHAR* path, FILINFO* fno); /* Get file status */
FRESULT f_chmod (const TCHAR* path, BYTE attr, BYTE mask); /* Change attribute of a file/dir */
FRESULT f_utime (const TCHAR* path, const FILINFO* fno); /* Change timestamp of a file/dir */
FRESULT f_chdir (const TCHAR* path); /* Change current directory */
FRESULT f_chdrive (const TCHAR* path); /* Change current drive */
FRESULT f_getcwd (TCHAR* buff, UINT len); /* Get current directory */
FRESULT f_getfree (const TCHAR* path, DWORD* nclst, FATFS** fatfs); /* Get number of free clusters on the drive */
FRESULT f_getlabel (const TCHAR* path, TCHAR* label, DWORD* vsn); /* Get volume label */
FRESULT f_setlabel (const TCHAR* label); /* Set volume label */
FRESULT f_forward (FIL* fp, UINT(*func)(const BYTE*,UINT), UINT btf, UINT* bf); /* Forward data to the stream */
FRESULT f_expand (FIL* fp, FSIZE_t fsz, BYTE opt); /* Allocate a contiguous block to the file */
FRESULT f_mount (FATFS* fs, const TCHAR* path, BYTE opt); /* Mount/Unmount a logical drive */
FRESULT f_mkfs (const TCHAR* path, const MKFS_PARM* opt, void* work, UINT len); /* Create a FAT volume */
FRESULT f_fdisk (BYTE pdrv, const LBA_t ptbl[], void* work); /* Divide a physical drive into some partitions */
FRESULT f_setcp (WORD cp); /* Set current code page */
int f_putc (TCHAR c, FIL* fp); /* Put a character to the file */
int f_puts (const TCHAR* str, FIL* cp); /* Put a string to the file */
int f_printf (FIL* fp, const TCHAR* str, ...); /* Put a formatted string to the file */
TCHAR* f_gets (TCHAR* buff, int len, FIL* fp); /* Get a string from the file */
#define f_eof(fp) ((int)((fp)->fptr == (fp)->obj.objsize))
#define f_error(fp) ((fp)->err)
#define f_tell(fp) ((fp)->fptr)
#define f_size(fp) ((fp)->obj.objsize)
#define f_rewind(fp) f_lseek((fp), 0)
#define f_rewinddir(dp) f_readdir((dp), 0)
#define f_rmdir(path) f_unlink(path)
#define f_unmount(path) f_mount(0, path, 0)
#ifndef EOF
#define EOF (-1)
#endif
/*--------------------------------------------------------------*/
/* Additional user defined functions */
/* RTC function */
#if !FF_FS_READONLY && !FF_FS_NORTC
DWORD GetFatTime (void);
#endif
/* LFN support functions */
#if FF_USE_LFN >= 1 /* Code conversion (defined in unicode.c) */
WCHAR ff_oem2uni (WCHAR oem, WORD cp); /* OEM code to Unicode conversion */
WCHAR ff_uni2oem (DWORD uni, WORD cp); /* Unicode to OEM code conversion */
DWORD ff_wtoupper (DWORD uni); /* Unicode upper-case conversion */
#endif
#if FF_USE_LFN == 3 /* Dynamic memory allocation */
void* ff_memalloc (UINT msize); /* Allocate memory block */
void ff_memfree (void* mblock); /* Free memory block */
#endif
/* Sync functions */
#if FF_FS_REENTRANT
int ff_cre_syncobj (BYTE vol, FF_SYNC_t* sobj); /* Create a sync object */
int ff_req_grant (FF_SYNC_t sobj); /* Lock sync object */
void ff_rel_grant (FF_SYNC_t sobj); /* Unlock sync object */
int ff_del_syncobj (FF_SYNC_t sobj); /* Delete a sync object */
#endif
/*--------------------------------------------------------------*/
/* Flags and offset address */
/* File access mode and open method flags (3rd argument of f_open) */
#define FA_READ 0x01
#define FA_WRITE 0x02
#define FA_OPEN_EXISTING 0x00
#define FA_CREATE_NEW 0x04
#define FA_CREATE_ALWAYS 0x08
#define FA_OPEN_ALWAYS 0x10
#define FA_OPEN_APPEND 0x30
/* Fast seek controls (2nd argument of f_lseek) */
#define CREATE_LINKMAP ((FSIZE_t)0 - 1)
/* Format options (2nd argument of f_mkfs) */
#define FM_FAT 0x01
#define FM_FAT32 0x02
#define FM_EXFAT 0x04
#define FM_ANY 0x07
#define FM_SFD 0x08
/* Filesystem type (FATFS.fs_type) */
#define FS_FAT12 1
#define FS_FAT16 2
#define FS_FAT32 3
#define FS_EXFAT 4
/* File attribute bits for directory entry (FILINFO.fattrib) */
#define AM_RDO 0x01 /* Read only */
#define AM_HID 0x02 /* Hidden */
#define AM_SYS 0x04 /* System */
#define AM_DIR 0x10 /* Directory */
#define AM_ARC 0x20 /* Archive */
#ifdef __cplusplus
}
#endif
#endif /* FF_DEFINED */

306
fs/fatfs/ffconf.h Normal file
View File

@@ -0,0 +1,306 @@
/*
* Modified by: AIIT XUOS Lab
* Modified date: 2020-08-25
* Description: include XiUOS headers, enable long file name
*/
#include <xiuos.h>
/*---------------------------------------------------------------------------/
/ FatFs Functional Configurations
/---------------------------------------------------------------------------*/
#define FFCONF_DEF 86606 /* Revision ID */
/*---------------------------------------------------------------------------/
/ Function Configurations
/---------------------------------------------------------------------------*/
#define FF_FS_READONLY 0
/* This option switches read-only configuration. (0:Read/Write or 1:Read-only)
/ Read-only configuration removes writing API functions, f_write(), f_sync(),
/ f_unlink(), f_mkdir(), f_chmod(), f_rename(), f_truncate(), f_getfree()
/ and optional writing functions as well. */
#define FF_FS_MINIMIZE 0
/* This option defines minimization level to remove some basic API functions.
/
/ 0: Basic functions are fully enabled.
/ 1: f_stat(), f_getfree(), f_unlink(), f_mkdir(), f_truncate() and f_rename()
/ are removed.
/ 2: f_opendir(), f_readdir() and f_closedir() are removed in addition to 1.
/ 3: f_lseek() function is removed in addition to 2. */
#define FF_USE_STRFUNC 0
/* This option switches string functions, f_gets(), f_putc(), f_puts() and f_printf().
/
/ 0: Disable string functions.
/ 1: Enable without LF-CRLF conversion.
/ 2: Enable with LF-CRLF conversion. */
#define FF_USE_FIND 0
/* This option switches filtered directory read functions, f_findfirst() and
/ f_findnext(). (0:Disable, 1:Enable 2:Enable with matching altname[] too) */
#define FF_USE_MKFS 1
/* This option switches f_mkfs() function. (0:Disable or 1:Enable) */
#define FF_USE_FASTSEEK 1
/* This option switches fast seek function. (0:Disable or 1:Enable) */
#define FF_USE_EXPAND 0
/* This option switches f_expand function. (0:Disable or 1:Enable) */
#define FF_USE_CHMOD 0
/* This option switches attribute manipulation functions, f_chmod() and f_utime().
/ (0:Disable or 1:Enable) Also FF_FS_READONLY needs to be 0 to enable this option. */
#define FF_USE_LABEL 0
/* This option switches volume label functions, f_getlabel() and f_setlabel().
/ (0:Disable or 1:Enable) */
#define FF_USE_FORWARD 0
/* This option switches f_forward() function. (0:Disable or 1:Enable) */
/*---------------------------------------------------------------------------/
/ Locale and Namespace Configurations
/---------------------------------------------------------------------------*/
#define FF_CODE_PAGE 437
/* This option specifies the OEM code page to be used on the target system.
/ Incorrect code page setting can cause a file open failure.
/
/ 437 - U.S.
/ 720 - Arabic
/ 737 - Greek
/ 771 - KBL
/ 775 - Baltic
/ 850 - Latin 1
/ 852 - Latin 2
/ 855 - Cyrillic
/ 857 - Turkish
/ 860 - Portuguese
/ 861 - Icelandic
/ 862 - Hebrew
/ 863 - Canadian French
/ 864 - Arabic
/ 865 - Nordic
/ 866 - Russian
/ 869 - Greek 2
/ 932 - Japanese (DBCS)
/ 936 - Simplified Chinese (DBCS)
/ 949 - Korean (DBCS)
/ 950 - Traditional Chinese (DBCS)
/ 0 - Include all code pages above and configured by f_setcp()
*/
#define FF_USE_LFN 3
#define FF_MAX_LFN 255
/* The FF_USE_LFN switches the support for LFN (long file name).
/
/ 0: Disable LFN. FF_MAX_LFN has no effect.
/ 1: Enable LFN with static working buffer on the BSS. Always NOT thread-safe.
/ 2: Enable LFN with dynamic working buffer on the STACK.
/ 3: Enable LFN with dynamic working buffer on the HEAP.
/
/ To enable the LFN, ffunicode.c needs to be added to the project. The LFN function
/ requiers certain internal working buffer occupies (FF_MAX_LFN + 1) * 2 bytes and
/ additional (FF_MAX_LFN + 44) / 15 * 32 bytes when exFAT is enabled.
/ The FF_MAX_LFN defines size of the working buffer in UTF-16 code unit and it can
/ be in range of 12 to 255. It is recommended to be set it 255 to fully support LFN
/ specification.
/ When use stack for the working buffer, take care on stack overflow. When use heap
/ memory for the working buffer, memory management functions, ff_memalloc() and
/ ff_memfree() exemplified in ffsystem.c, need to be added to the project. */
#define FF_LFN_UNICODE 0
/* This option switches the character encoding on the API when LFN is enabled.
/
/ 0: ANSI/OEM in current CP (TCHAR = char)
/ 1: Unicode in UTF-16 (TCHAR = WCHAR)
/ 2: Unicode in UTF-8 (TCHAR = char)
/ 3: Unicode in UTF-32 (TCHAR = DWORD)
/
/ Also behavior of string I/O functions will be affected by this option.
/ When LFN is not enabled, this option has no effect. */
#define FF_LFN_BUF 255
#define FF_SFN_BUF 12
/* This set of options defines size of file name members in the FILINFO structure
/ which is used to read out directory items. These values should be suffcient for
/ the file names to read. The maximum possible length of the read file name depends
/ on character encoding. When LFN is not enabled, these options have no effect. */
#define FF_STRF_ENCODE 3
/* When FF_LFN_UNICODE >= 1 with LFN enabled, string I/O functions, f_gets(),
/ f_putc(), f_puts and f_printf() convert the character encoding in it.
/ This option selects assumption of character encoding ON THE FILE to be
/ read/written via those functions.
/
/ 0: ANSI/OEM in current CP
/ 1: Unicode in UTF-16LE
/ 2: Unicode in UTF-16BE
/ 3: Unicode in UTF-8
*/
#define FF_FS_RPATH 0
/* This option configures support for relative path.
/
/ 0: Disable relative path and remove related functions.
/ 1: Enable relative path. f_chdir() and f_chdrive() are available.
/ 2: f_getcwd() function is available in addition to 1.
*/
/*---------------------------------------------------------------------------/
/ Drive/Volume Configurations
/---------------------------------------------------------------------------*/
#define FF_VOLUMES 1
/* Number of volumes (logical drives) to be used. (1-10) */
#define FF_STR_VOLUME_ID 0
#define FF_VOLUME_STRS "RAM","NAND","CF","SD","SD2","USB","USB2","USB3"
/* FF_STR_VOLUME_ID switches support for volume ID in arbitrary strings.
/ When FF_STR_VOLUME_ID is set to 1 or 2, arbitrary strings can be used as drive
/ number in the path name. FF_VOLUME_STRS defines the volume ID strings for each
/ logical drives. Number of items must not be less than FF_VOLUMES. Valid
/ characters for the volume ID strings are A-Z, a-z and 0-9, however, they are
/ compared in case-insensitive. If FF_STR_VOLUME_ID >= 1 and FF_VOLUME_STRS is
/ not defined, a user defined volume string table needs to be defined as:
/
/ const char* VolumeStr[FF_VOLUMES] = {"ram","flash","sd","usb",...
*/
#define FF_MULTI_PARTITION 0
/* This option switches support for multiple volumes on the physical drive.
/ By default (0), each logical drive number is bound to the same physical drive
/ number and only an FAT volume found on the physical drive will be mounted.
/ When this function is enabled (1), each logical drive number can be bound to
/ arbitrary physical drive and partition listed in the VolToPart[]. Also f_fdisk()
/ funciton will be available. */
#define FF_MIN_SS 512
#define FF_MAX_SS 512
/* This set of options configures the range of sector size to be supported. (512,
/ 1024, 2048 or 4096) Always set both 512 for most systems, generic memory card and
/ harddisk. But a larger value may be required for on-board flash memory and some
/ type of optical media. When FF_MAX_SS is larger than FF_MIN_SS, FatFs is configured
/ for variable sector size mode and disk_ioctl() function needs to implement
/ GET_SECTOR_SIZE command. */
#define FF_LBA64 0
/* This option switches support for 64-bit LBA. (0:Disable or 1:Enable)
/ To enable the 64-bit LBA, also exFAT needs to be enabled. (FF_FS_EXFAT == 1) */
#define FF_MIN_GPT 0x100000000
/* Minimum number of sectors to switch GPT format to create partition in f_mkfs and
/ f_fdisk function. 0x100000000 max. This option has no effect when FF_LBA64 == 0. */
#define FF_USE_TRIM 0
/* This option switches support for ATA-TRIM. (0:Disable or 1:Enable)
/ To enable Trim function, also CTRL_TRIM command should be implemented to the
/ disk_ioctl() function. */
/*---------------------------------------------------------------------------/
/ System Configurations
/---------------------------------------------------------------------------*/
#define FF_FS_TINY 0
/* This option switches tiny buffer configuration. (0:Normal or 1:Tiny)
/ At the tiny configuration, size of file object (FIL) is shrinked FF_MAX_SS bytes.
/ Instead of private sector buffer eliminated from the file object, common sector
/ buffer in the filesystem object (FATFS) is used for the file data transfer. */
#define FF_FS_EXFAT 0
/* This option switches support for exFAT filesystem. (0:Disable or 1:Enable)
/ To enable exFAT, also LFN needs to be enabled. (FF_USE_LFN >= 1)
/ Note that enabling exFAT discards ANSI C (C89) compatibility. */
#define FF_FS_NORTC 0
#define FF_NORTC_MON 1
#define FF_NORTC_MDAY 1
#define FF_NORTC_YEAR 2019
/* The option FF_FS_NORTC switches timestamp functiton. If the system does not have
/ any RTC function or valid timestamp is not needed, set FF_FS_NORTC = 1 to disable
/ the timestamp function. Every object modified by FatFs will have a fixed timestamp
/ defined by FF_NORTC_MON, FF_NORTC_MDAY and FF_NORTC_YEAR in local time.
/ To enable timestamp function (FF_FS_NORTC = 0), GetFatTime() function need to be
/ added to the project to read current time form real-time clock. FF_NORTC_MON,
/ FF_NORTC_MDAY and FF_NORTC_YEAR have no effect.
/ These options have no effect in read-only configuration (FF_FS_READONLY = 1). */
#define FF_FS_NOFSINFO 0
/* If you need to know correct free space on the FAT32 volume, set bit 0 of this
/ option, and f_getfree() function at first time after volume mount will force
/ a full FAT scan. Bit 1 controls the use of last allocated cluster number.
/
/ bit0=0: Use free cluster count in the FSINFO if available.
/ bit0=1: Do not trust free cluster count in the FSINFO.
/ bit1=0: Use last allocated cluster number in the FSINFO if available.
/ bit1=1: Do not trust last allocated cluster number in the FSINFO.
*/
#define FF_FS_LOCK 0
/* The option FF_FS_LOCK switches file lock function to control duplicated file open
/ and illegal operation to open objects. This option must be 0 when FF_FS_READONLY
/ is 1.
/
/ 0: Disable file lock function. To avoid volume corruption, application program
/ should avoid illegal open, remove and rename to the open objects.
/ >0: Enable file lock function. The value defines how many files/sub-directories
/ can be opened simultaneously under file lock control. Note that the file
/ lock control is independent of re-entrancy. */
/* #include <somertos.h> // O/S definitions */
#define FF_FS_REENTRANT 1
#define FF_FS_TIMEOUT 1000
#define FF_SYNC_t int
/* The option FF_FS_REENTRANT switches the re-entrancy (thread safe) of the FatFs
/ module itself. Note that regardless of this option, file access to different
/ volume is always re-entrant and volume control functions, f_mount(), f_mkfs()
/ and f_fdisk() function, are always not re-entrant. Only file/directory access
/ to the same volume is under control of this function.
/
/ 0: Disable re-entrancy. FF_FS_TIMEOUT and FF_SYNC_t have no effect.
/ 1: Enable re-entrancy. Also user provided synchronization handlers,
/ ff_req_grant(), ff_rel_grant(), ff_del_syncobj() and ff_cre_syncobj()
/ function, must be added to the project. Samples are available in
/ option/syscall.c.
/
/ The FF_FS_TIMEOUT defines timeout period in unit of time tick.
/ The FF_SYNC_t defines O/S dependent sync object type. e.g. HANDLE, ID, OS_EVENT*,
/ SemaphoreHandle_t and etc. A header file for O/S definitions needs to be
/ included somewhere in the scope of ff.h. */
/*--- End of configuration options ---*/

127
fs/fatfs/ffsystem.c Normal file
View File

@@ -0,0 +1,127 @@
/*------------------------------------------------------------------------*/
/* Sample Code of OS Dependent Functions for FatFs */
/* (C)ChaN, 2018 */
/*------------------------------------------------------------------------*/
/*
* Modified by: AIIT XUOS Lab
* Modified date: 2020-08-25
* Description: implement interfaces with XiUOS kernel APIs
*/
#include "ff.h"
#if FF_USE_LFN == 3 /* Dynamic memory allocation */
/*------------------------------------------------------------------------*/
/* Allocate a memory block */
/*------------------------------------------------------------------------*/
void* ff_memalloc ( /* Returns pointer to the allocated memory block (null if not enough core) */
UINT msize /* Number of bytes to allocate */
)
{
return x_malloc(msize); /* Allocate a new memory block with POSIX API */
}
/*------------------------------------------------------------------------*/
/* Free a memory block */
/*------------------------------------------------------------------------*/
void ff_memfree (
void* mblock /* Pointer to the memory block to free (nothing to do if null) */
)
{
x_free(mblock); /* Free the memory block with POSIX API */
}
#endif
#if FF_FS_REENTRANT /* Mutal exclusion */
/*------------------------------------------------------------------------*/
/* Create a Synchronization Object */
/*------------------------------------------------------------------------*/
/* This function is called in f_mount() function to create a new
/ synchronization object for the volume, such as semaphore and mutex.
/ When a 0 is returned, the f_mount() function fails with FR_INT_ERR.
*/
//const osMutexDef_t Mutex[FF_VOLUMES]; /* Table of CMSIS-RTOS mutex */
int ff_cre_syncobj ( /* 1:Function succeeded, 0:Could not create the sync object */
BYTE vol, /* Corresponding volume (logical drive number) */
FF_SYNC_t* sobj /* Pointer to return the created sync object */
)
{
char name[8];
int mutex;
snprintf(name, sizeof(name), "fat%d", vol);
mutex = KMutexCreate();
if (mutex != NONE) {
*sobj = mutex;
return 1;
}
return 0;
}
/*------------------------------------------------------------------------*/
/* Delete a Synchronization Object */
/*------------------------------------------------------------------------*/
/* This function is called in f_mount() function to delete a synchronization
/ object that created with ff_cre_syncobj() function. When a 0 is returned,
/ the f_mount() function fails with FR_INT_ERR.
*/
int ff_del_syncobj ( /* 1:Function succeeded, 0:Could not delete due to an error */
FF_SYNC_t sobj /* Sync object tied to the logical drive to be deleted */
)
{
if (sobj >= 0)
KMutexDelete(sobj);
return 1;
}
/*------------------------------------------------------------------------*/
/* Request Grant to Access the Volume */
/*------------------------------------------------------------------------*/
/* This function is called on entering file functions to lock the volume.
/ When a 0 is returned, the file function fails with FR_TIMEOUT.
*/
int ff_req_grant ( /* 1:Got a grant to access the volume, 0:Could not get a grant */
FF_SYNC_t sobj /* Sync object to wait */
)
{
if (KMutexObtain(sobj, FF_FS_TIMEOUT) == EOK)
return 1;
return 0;
}
/*------------------------------------------------------------------------*/
/* Release Grant to Access the Volume */
/*------------------------------------------------------------------------*/
/* This function is called on leaving file functions to unlock the volume.
*/
void ff_rel_grant (
FF_SYNC_t sobj /* Sync object to be signaled */
)
{
KMutexAbandon(sobj);
}
#endif

15598
fs/fatfs/ffunicode.c Normal file
View File

File diff suppressed because it is too large Load Diff

44
fs/fatfs/integer.h Normal file
View File

@@ -0,0 +1,44 @@
/*-------------------------------------------*/
/* Integer type definitions for FatFs module */
/*-------------------------------------------*/
/*
* Modified by: AIIT XUOS Lab
* Modified date: 2020-08-25
* Description: untouched
*/
#ifndef _FF_INTEGER
#define _FF_INTEGER
#ifdef _WIN32 /* FatFs development platform */
#include <windows.h>
#include <tchar.h>
typedef unsigned __int64 QWORD;
#else /* Embedded platform */
/* These types MUST be 16-bit or 32-bit */
typedef int INT;
typedef unsigned int UINT;
/* This type MUST be 8-bit */
typedef unsigned char BYTE;
/* These types MUST be 16-bit */
typedef short SHORT;
typedef unsigned short WORD;
typedef unsigned short WCHAR;
/* These types MUST be 32-bit */
typedef long LONG;
typedef unsigned long DWORD;
/* This type MUST be 64-bit (Remove this for C89 compatibility) */
typedef unsigned long long QWORD;
#endif
#endif

6
fs/iot-devicefile/Kconfig Normal file
View File

@@ -0,0 +1,6 @@
config VFS_USING_WORKDIR
bool "Using work dir for FS_VFS"
default y
config FS_VFS_DEVFS
bool "Using dev object for FS_VFS"
default y

5
fs/iot-devicefile/Makefile Normal file
View File

@@ -0,0 +1,5 @@
SRC_FILES := iot-devicefile.c
include $(KERNEL_ROOT)/compiler.mk

148
fs/iot-devicefile/iot-devicefile.c Normal file
View File

@@ -0,0 +1,148 @@
#include <xiuos.h>
#include <device.h>
#include <iot-vfs.h>
#include <iot-vfs_posix.h>
static void GetBusName(const char *path, char *bus_name)
{
uint8 i = 0;
for (; i < strlen(path); i++) {
if (path[i] == '_') {
bus_name[i] = '\0';
break;
}
bus_name[i] = path[i];
}
}
static void GetDrvName(char *bus_name, char *drv_name)
{
snprintf(drv_name, strlen(bus_name) + 5, "%s_drv", bus_name);
}
static int DevicefileOpen(struct FileDescriptor *fdp, const char *path)
{
int ret;
BusType bus_id;
char bus_name[NAME_NUM_MAX], drv_name[NAME_NUM_MAX];
GetBusName(path, bus_name);
GetDrvName(bus_name, drv_name);
bus_id = BusFind(bus_name);
if (bus_id == NULL)
return -ENODEV;
bus_id->owner_driver = BusFindDriver(bus_id, drv_name);
bus_id->owner_haldev = BusFindDevice(bus_id, path);
bus_id->match(bus_id->owner_driver, bus_id->owner_haldev);
fdp->data = bus_id;
ret = BusDevOpen(bus_id->owner_haldev);
if (ret < 0) {
fdp->data = NULL;
return -EIO;
}
return 0;
}
static int DevicefileClose(struct FileDescriptor *fdp)
{
int ret;
BusType bus_id;
NULL_PARAM_CHECK(fdp);
NULL_PARAM_CHECK(fdp->data);
bus_id = (BusType)fdp->data;
ret = BusDevClose(bus_id->owner_haldev);
if (ret == 0) {
fdp->data = NULL;
return 0;
}
return -EIO;
}
static ssize_t DevicefileRead(struct FileDescriptor *fdp, void *dst, size_t len)
{
int ret;
BusType bus_id;
NULL_PARAM_CHECK(fdp);
NULL_PARAM_CHECK(fdp->data);
bus_id = (BusType)fdp->data;
struct BusBlockReadParam param;
memset(&param, 0, sizeof(struct BusBlockReadParam));
param.size = len;
param.buffer = dst;
param.pos = fdp->pos;
ret = BusDevReadData(bus_id->owner_haldev, &param);
fdp->pos += param.read_length;
return param.read_length;
}
static ssize_t DevicefileWrite(struct FileDescriptor *fdp, const void *src, size_t len)
{
int ret;
BusType bus_id;
NULL_PARAM_CHECK(fdp);
NULL_PARAM_CHECK(fdp->data);
bus_id = (BusType)fdp->data;
struct BusBlockWriteParam param;
memset(&param, 0, sizeof(struct BusBlockWriteParam));
param.size = len;
param.buffer = src;
param.pos = fdp->pos;
ret = BusDevWriteData(bus_id->owner_haldev, &param);
fdp->pos += ret;
return ret;
}
static int DevicefileIoctl(struct FileDescriptor *fdp, int cmd, void *args)
{
int ret;
BusType bus_id;
NULL_PARAM_CHECK(fdp);
NULL_PARAM_CHECK(fdp->data);
bus_id = (BusType)fdp->data;
struct BusConfigureInfo param;
param.configure_cmd = cmd;
param.private_data = args;
ret = BusDrvConfigure(bus_id->owner_driver, &param);
return ret;
}
static int DevicefileMount(struct MountPoint *mp)
{
return 0;
}
static struct Filesystem devicefile_fs = {
.open = DevicefileOpen,
.close = DevicefileClose,
.read = DevicefileRead,
.write = DevicefileWrite,
.ioctl = DevicefileIoctl,
.mount = DevicefileMount,
};
int DevicefileInit()
{
RegisterFilesystem(FSTYPE_IOTDEVICEFILE, &devicefile_fs);
return 0;
}

0
fs/lwext4/Kconfig Normal file
View File

4
fs/lwext4/Makefile Normal file
View File

@@ -0,0 +1,4 @@
include $(KERNEL_ROOT)/compiler.mk

3
fs/shared/Makefile Normal file
View File

@@ -0,0 +1,3 @@
SRC_DIR := src
include $(KERNEL_ROOT)/compiler.mk

133
fs/shared/include/iot-vfs.h Normal file
View File

@@ -0,0 +1,133 @@
/*
* Copyright (c) 2020 AIIT XUOS Lab
* XiUOS is licensed under Mulan PSL v2.
* You can use this software according to the terms and conditions of the Mulan PSL v2.
* You may obtain a copy of Mulan PSL v2 at:
* http://license.coscl.org.cn/MulanPSL2
* THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND,
* EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT,
* MERCHANTABILITY OR FIT FOR A PARTICULAR PURPOSE.
* See the Mulan PSL v2 for more details.
*/
#ifndef _INC_IOT_VFS_H_
#define _INC_IOT_VFS_H_
#include <xiuos.h>
#include <bus.h>
#define MAX_FILE_NAME 255
#define MAX_PATH MAX_FILE_NAME
enum FilesystemType
{
FSTYPE_FATFS = 0,
FSTYPE_IOTDEVICEFILE,
FSTYPE_CH376,
FSTYPE_END,
};
enum x_FileType
{
FTYPE_FILE = 0,
FTYPE_DIR,
FTYPE_SOCKET,
FTYPE_END,
};
struct Filesystem;
struct MountPoint
{
struct SysDoubleLinklistNode node;
enum FilesystemType fs_type;
char *mnt_point;
size_t mnt_point_len;
void *fs_data;
BusType bus;
HardwareDevType dev;
DriverType drv;
struct Filesystem *fs;
};
struct FileStat
{
enum x_FileType type;
char name[MAX_FILE_NAME + 1];
size_t size;
time_t mtime;
};
struct statfs
{
size_t f_bsize;
size_t f_blocks;
size_t f_bfree;
};
#define FD_MAX 64
#define FD_OFFSET 3
struct FileDescriptor
{
char *path;
enum x_FileType type;
void *data;
struct MountPoint *mntp;
off_t pos;
};
int NewFileDescriptor(struct FileDescriptor **fdptr);
struct FileDescriptor *GetFileDescriptor(int fd);
void FreeFileDescriptor(struct FileDescriptor *fdp);
struct dirent
{
int d_kind;
char d_name[MAX_PATH + 1];
};
/* NOTE: all path arguments must be relative path under mount point */
struct Filesystem
{
int (*open)(struct FileDescriptor *fdp, const char *path);
int (*close)(struct FileDescriptor *fdp);
ssize_t (*read)(struct FileDescriptor *fdp, void *dst, size_t len);
ssize_t (*write)(struct FileDescriptor *fdp, const void *src, size_t len);
int (*seek)(struct FileDescriptor *fdp, off_t offset, int whence, off_t *new_offset);
off_t (*tell)(struct FileDescriptor *fdp);
int (*truncate)(struct FileDescriptor *fdp, off_t length);
int (*sync)(struct FileDescriptor *fdp);
int (*ioctl)(struct FileDescriptor *fdp, int cmd, void *args);
int (*poll)(struct FileDescriptor *fdp, struct Pollreq *req);
int (*opendir)(struct FileDescriptor *fdp, const char *path);
int (*closedir)(struct FileDescriptor *fdp);
int (*readdir)(struct FileDescriptor *fdp, struct dirent *dirent);
int (*seekdir)(struct FileDescriptor *fdp, off_t offset);
int (*mount)(struct MountPoint *mp);
int (*unmount)(struct MountPoint *mp);
int (*unlink)(struct MountPoint *mp, const char *path);
int (*rename)(struct MountPoint *mp, const char *from,
const char *to);
int (*mkdir)(struct MountPoint *mp, const char *path);
int (*stat)(struct MountPoint *mp, const char *path,
struct FileStat *buf);
int (*statvfs)(struct MountPoint *mp, const char *path,
struct statfs *buf);
};
int RegisterFilesystem(enum FilesystemType fs_type,
struct Filesystem *fs);
int MountFilesystem(const char *bus_name,
const char *dev_name, const char *drv_name,
enum FilesystemType fs_type, const char *path);
int UnmountFileSystem(const char *path);
void SyncOpenedFiles();
#endif /* _INC_IOT_VFS_H_ */

52
fs/shared/include/iot-vfs_posix.h Normal file
View File

@@ -0,0 +1,52 @@
/*
* Copyright (c) 2020 AIIT XUOS Lab
* XiUOS is licensed under Mulan PSL v2.
* You can use this software according to the terms and conditions of the Mulan PSL v2.
* You may obtain a copy of Mulan PSL v2 at:
* http://license.coscl.org.cn/MulanPSL2
* THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND,
* EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT,
* MERCHANTABILITY OR FIT FOR A PARTICULAR PURPOSE.
* See the Mulan PSL v2 for more details.
*/
#ifndef _IOT_VFS_POSIX_H_
#define _IOT_VFS_POSIX_H_
#include <iot-vfs.h>
typedef void DIR;
#if defined(LIB_NEWLIB) && defined(_EXFUN)
_READ_WRITE_RETURN_TYPE _EXFUN(read, (int __fd, void *__buf, size_t __nbyte));
_READ_WRITE_RETURN_TYPE _EXFUN(write, (int __fd, const void *__buf, size_t __nbyte));
#else
int read(int fd, void *buf, size_t len);
int write(int fd, const void *buf, size_t len);
#endif
int open(const char *path, int flags, ...);
int close(int fd);
int ioctl(int fd, int cmd, void *args);
off_t lseek(int fd, off_t offset, int whence);
int rename(const char *from, const char *to);
int unlink(const char *path);
int stat(const char *path, struct stat *buf);
int fstat(int fd, struct stat *buf);
int fsync(int fd);
int ftruncate(int fd, off_t length);
int mkdir(const char *path, mode_t mode);
DIR *opendir(const char *path);
int closedir(DIR *dirp);
struct dirent *readdir(DIR *dirp);
int rmdir(const char *path);
int chdir(const char *path);
char *getcwd(char *buf, size_t size);
long telldir(DIR *dirp);
void seekdir(DIR *dirp, off_t offset);
void rewinddir(DIR *dirp);
int statfs(const char *path, struct statfs *buf);
#endif

26
fs/shared/include/vfs_select.h Normal file
View File

@@ -0,0 +1,26 @@
/*
* Copyright (c) 2006-2018, RT-Thread Development Team
*
* SPDX-License-Identifier: Apache-2.0
*
* Change Logs:
* Date Author Notes
*/
#ifndef VFS_SELECT_H__
#define VFS_SELECT_H__
#include <libc.h>
#ifdef __cplusplus
extern "C" {
#endif
int select(int nfds, fd_set *readfds, fd_set *writefds, fd_set *exceptfds, struct timeval *timeout);
#ifdef __cplusplus
}
#endif
#endif

4
fs/shared/src/Makefile Normal file
View File

@@ -0,0 +1,4 @@
SRC_FILES := poll.c select.c iot-vfs.c
include $(KERNEL_ROOT)/compiler.mk

1189
fs/shared/src/iot-vfs.c Normal file
View File

File diff suppressed because it is too large Load Diff

198
fs/shared/src/poll.c Normal file
View File

@@ -0,0 +1,198 @@
/*
* Copyright (c) 2020 AIIT XUOS Lab
* XiUOS is licensed under Mulan PSL v2.
* You can use this software according to the terms and conditions of the Mulan PSL v2.
* You may obtain a copy of Mulan PSL v2 at:
* http://license.coscl.org.cn/MulanPSL2
* THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND,
* EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT,
* MERCHANTABILITY OR FIT FOR A PARTICULAR PURPOSE.
* See the Mulan PSL v2 for more details.
*/
#include <stdint.h>
#include <xs_poll.h>
#include <device.h>
#include <xiuos.h>
#include <iot-vfs.h>
#include <iot-vfs_posix.h>
void PollAdd(WaitQueueType *wq, pollreqType *req)
{
if (req && req->_proc && wq)
req->_proc(wq, req);
}
struct rt_poll_node;
struct rt_poll_table
{
pollreqType req;
uint32 triggered;
KTaskDescriptorType polling_thread;
struct rt_poll_node *nodes;
};
struct rt_poll_node
{
struct WaitqueueNode wqn;
struct rt_poll_table *pt;
struct rt_poll_node *next;
};
static int WqueuePollWake(struct WaitqueueNode *wait, void *key)
{
struct rt_poll_node *pn;
if (key && !((x_ubase)key & wait->key))
return -1;
pn =CONTAINER_OF(wait, struct rt_poll_node, wqn);
pn->pt->triggered = 1;
return 0;
}
static void _poll_add(WaitQueueType *wq, pollreqType *req)
{
struct rt_poll_table *pt;
struct rt_poll_node *node;
node = (struct rt_poll_node *)x_malloc(sizeof(struct rt_poll_node));
if (node == NONE)
return;
pt =CONTAINER_OF(req, struct rt_poll_table, req);
node->wqn.key = req->_key;
InitDoubleLinkList(&(node->wqn.list));
node->wqn.polling_task = pt->polling_thread;
node->wqn.cb = WqueuePollWake;
node->next = pt->nodes;
node->pt = pt;
pt->nodes = node;
WqueueAdd(wq, &node->wqn);
}
static int PollWaitTimeout(struct rt_poll_table *pt, int msec)
{
int32 timeout;
int ret = 0;
struct TaskDescriptor *thread;
x_base level;
thread = pt->polling_thread;
timeout = CalculteTickFromTimeMs(msec);
level = CriticalAreaLock();
if (timeout != 0 && !pt->triggered) {
SuspendKTask(thread->id.id);
if (timeout > 0)
KTaskSetDelay(thread,timeout);
CriticalAreaUnLock(level);
DO_KTASK_ASSIGN;
level = CriticalAreaLock();
}
ret = !pt->triggered;
CriticalAreaUnLock(level);
return ret;
}
static int DoPollFd(struct pollfd *pollfd, pollreqType *req)
{
int mask = 0;
int fd;
fd = pollfd->fd;
if (fd >= 0) {
struct FileDescriptor *fdp = GetFileDescriptor(fd);
mask = POLLNVAL;
if (fdp) {
mask = POLLMASK_DEFAULT;
if (fdp->mntp->fs->poll) {
req->_key = pollfd->events | POLLERR | POLLHUP;
mask = fdp->mntp->fs->poll(fdp, req);
}
/* Mask out unneeded events. */
mask &= pollfd->events | POLLERR | POLLHUP;
}
}
pollfd->revents = mask;
return mask;
}
static int PollDo(struct pollfd *fds, NfdsType nfds, struct rt_poll_table *pt, int msec)
{
int num;
int istimeout = 0;
int n;
struct pollfd *pf;
if (msec == 0) {
pt->req._proc = NONE;
istimeout = 1;
}
while (1) {
pf = fds;
num = 0;
for (n = 0; n < nfds; n ++) {
if (DoPollFd(pf, &pt->req)) {
num ++;
pt->req._proc = NONE;
}
pf ++;
}
pt->req._proc = NONE;
if (num || istimeout)
break;
if (PollWaitTimeout(pt, msec))
istimeout = 1;
}
return num;
}
int poll(struct pollfd *fds, NfdsType nfds, int timeout)
{
int num;
struct rt_poll_table table;
struct rt_poll_node *node, *temp;
table.req._proc = _poll_add;
table.triggered = 0;
table.nodes = NULL;
table.polling_thread = GetKTaskDescriptor();
num = PollDo(fds, nfds, &table, timeout);
node = table.nodes;
while (node) {
temp = node;
node= node->next;
WqueueRemove(&temp->wqn);
x_free(temp);
}
return num;
}

182
fs/shared/src/select.c Normal file
View File

@@ -0,0 +1,182 @@
/*
* Copyright (c) 2006-2018, RT-Thread Development Team
*
* SPDX-License-Identifier: Apache-2.0
*
* Change Logs:
* Date Author Notes
* 2016-12-28 Bernard first version
*/
#include <iot-vfs.h>
#include <iot-vfs_posix.h>
#include <xs_poll.h>
#include <vfs_select.h>
#ifdef LIB_POSIX
static void fdszero(fd_set *set, int nfds)
{
fd_mask *m;
int n;
/*
The 'sizeof(fd_set)' of the system space may differ from user space,
so the actual size of the 'fd_set' is determined here with the parameter 'nfds'
*/
m = (fd_mask *)set;
for (n = 0; n < nfds; n += (sizeof(fd_mask) * 8))
{
memset(m, 0, sizeof(fd_mask));
m ++;
}
}
int select(int nfds, fd_set *readfds, fd_set *writefds, fd_set *exceptfds, struct timeval *timeout)
{
int fd;
int npfds;
int msec;
int ndx;
int ret;
struct pollfd *pollset = NONE;
/* How many pollfd structures do we need to allocate? */
for (fd = 0, npfds = 0; fd < nfds; fd++)
{
/* Check if any monitor operation is requested on this fd */
if ((readfds && FD_ISSET(fd, readfds)) ||
(writefds && FD_ISSET(fd, writefds)) ||
(exceptfds && FD_ISSET(fd, exceptfds)))
{
npfds++;
}
}
/* Allocate the descriptor list for poll() */
if (npfds > 0)
{
pollset = (struct pollfd *)x_calloc(npfds, sizeof(struct pollfd));
if (!pollset)
{
return -1;
}
}
/* Initialize the descriptor list for poll() */
for (fd = 0, ndx = 0; fd < nfds; fd++)
{
int incr = 0;
/* The readfs set holds the set of FDs that the caller can be assured
* of reading from without blocking. Note that POLLHUP is included as
* a read-able condition. POLLHUP will be reported at the end-of-file
* or when a connection is lost. In either case, the read() can then
* be performed without blocking.
*/
if (readfds && FD_ISSET(fd, readfds))
{
pollset[ndx].fd = fd;
pollset[ndx].events |= POLLIN;
incr = 1;
}
if (writefds && FD_ISSET(fd, writefds))
{
pollset[ndx].fd = fd;
pollset[ndx].events |= POLLOUT;
incr = 1;
}
if (exceptfds && FD_ISSET(fd, exceptfds))
{
pollset[ndx].fd = fd;
incr = 1;
}
ndx += incr;
}
CHECK(ndx == npfds);
/* Convert the timeout to milliseconds */
if (timeout)
{
msec = timeout->tv_sec * 1000 + timeout->tv_usec / 1000;
}
else
{
msec = -1;
}
/* Then let poll do all of the real work. */
ret = poll(pollset, npfds, msec);
/* Now set up the return values */
if (readfds)
{
fdszero(readfds, nfds);
}
if (writefds)
{
fdszero(writefds, nfds);
}
if (exceptfds)
{
fdszero(exceptfds, nfds);
}
/* Convert the poll descriptor list back into selects 3 bitsets */
if (ret > 0)
{
ret = 0;
for (ndx = 0; ndx < npfds; ndx++)
{
/* Check for read conditions. Note that POLLHUP is included as a
* read condition. POLLHUP will be reported when no more data will
* be available (such as when a connection is lost). In either
* case, the read() can then be performed without blocking.
*/
if (readfds)
{
if (pollset[ndx].revents & (POLLIN | POLLHUP))
{
FD_SET(pollset[ndx].fd, readfds);
ret++;
}
}
/* Check for write conditions */
if (writefds)
{
if (pollset[ndx].revents & POLLOUT)
{
FD_SET(pollset[ndx].fd, writefds);
ret++;
}
}
/* Check for exceptions */
if (exceptfds)
{
if (pollset[ndx].revents & POLLERR)
{
FD_SET(pollset[ndx].fd, exceptfds);
ret++;
}
}
}
}
if (pollset) x_free(pollset);
return ret;
}
#endif