From ac07efd463bc0d6b5b3318095acf59e8bd674b6e Mon Sep 17 00:00:00 2001 From: "iamyhw@gmail.com" Date: Sun, 16 Jan 2011 14:15:31 +0000 Subject: [PATCH] git-svn-id: https://rt-thread.googlecode.com/svn/trunk@1245 bbd45198-f89e-11dd-88c7-29a3b14d5316 --- components/dfs/filesystems/uffs/SConscript | 126 ++++++ components/dfs/filesystems/uffs/dfs_nand_if.c | 293 ++++++++++++++ .../dfs/filesystems/uffs/flash/K9F2G08.h | 27 ++ .../dfs/filesystems/uffs/flash/k9f2g08.c | 366 ++++++++++++++++++ components/dfs/filesystems/uffs/flash/nand.h | 77 ++++ .../dfs/filesystems/uffs/flash/nand_ids.c | 135 +++++++ .../uffs/flash/uffs_nand_samsung.c | 0 .../uffs/src/emu/uffs_fileem_ecc_hw.c | 234 +++++++++++ .../uffs/src/emu/uffs_fileem_ecc_hw_auto.c | 350 +++++++++++++++++ .../uffs/src/emu/uffs_fileem_ecc_soft.c | 212 ++++++++++ .../uffs/src/emu/uffs_fileem_share.c | 224 +++++++++++ .../uffs/src/emu/uffs_fileem_wrap.c | 260 +++++++++++++ .../uffs/src/inc/uffs/uffs_fileem.h | 55 +++ components/dfs/filesystems/uffs/uffs_ext.c | 320 +++++++++++++++ components/dfs/filesystems/uffs/uffs_ext.h | 11 + tools/readme | 8 + tools/uffs.bin | 1 + tools/uffs_demo_win32.exe | Bin 0 -> 340014 bytes 18 files changed, 2699 insertions(+) create mode 100644 components/dfs/filesystems/uffs/SConscript create mode 100644 components/dfs/filesystems/uffs/dfs_nand_if.c create mode 100644 components/dfs/filesystems/uffs/flash/K9F2G08.h create mode 100644 components/dfs/filesystems/uffs/flash/k9f2g08.c create mode 100644 components/dfs/filesystems/uffs/flash/nand.h create mode 100644 components/dfs/filesystems/uffs/flash/nand_ids.c create mode 100644 components/dfs/filesystems/uffs/flash/uffs_nand_samsung.c create mode 100644 components/dfs/filesystems/uffs/src/emu/uffs_fileem_ecc_hw.c create mode 100644 components/dfs/filesystems/uffs/src/emu/uffs_fileem_ecc_hw_auto.c create mode 100644 components/dfs/filesystems/uffs/src/emu/uffs_fileem_ecc_soft.c create mode 100644 components/dfs/filesystems/uffs/src/emu/uffs_fileem_share.c create mode 100644 components/dfs/filesystems/uffs/src/emu/uffs_fileem_wrap.c create mode 100644 components/dfs/filesystems/uffs/src/inc/uffs/uffs_fileem.h create mode 100644 components/dfs/filesystems/uffs/uffs_ext.c create mode 100644 components/dfs/filesystems/uffs/uffs_ext.h create mode 100644 tools/readme create mode 100644 tools/uffs.bin create mode 100644 tools/uffs_demo_win32.exe diff --git a/components/dfs/filesystems/uffs/SConscript b/components/dfs/filesystems/uffs/SConscript new file mode 100644 index 0000000000..2914dbaf74 --- /dev/null +++ b/components/dfs/filesystems/uffs/SConscript @@ -0,0 +1,126 @@ +Import('RTT_ROOT') +Import('rtconfig') +from building import * + +# The set of source files associated with this SConscript file. +dfs = Split(""" +src/dfs.c +src/dfs_fs.c +src/dfs_file.c +src/dfs_posix.c +""") + +# DFS-ELMFAT options +elmfat = Split(""" +filesystems/elmfat/dfs_elm.c +filesystems/elmfat/ff.c +""") + +# DFS-ROMFS options +romfs = Split(""" +filesystems/romfs/dfs_romfs.c +filesystems/romfs/romfs.c +""") + +# DFS-DeviceFS options +devfs = Split(""" +filesystems/devfs/devfs.c +filesystems/devfs/console.c +""") + +# DFS-YAFFS2 options +yaffs2_main = Split(""" +filesystems/yaffs2/direct/yaffscfg.c +filesystems/yaffs2/direct/yaffs_fileem.c +filesystems/yaffs2/direct/yaffsfs.c +filesystems/yaffs2/direct/dfs_yaffs2.c +""") + +yaffs2_comm = Split(""" +filesystems/yaffs2/yaffs_ecc.c +filesystems/yaffs2/yaffs_guts.c +filesystems/yaffs2/yaffs_packedtags1.c +filesystems/yaffs2/yaffs_tagscompat.c +filesystems/yaffs2/yaffs_packedtags2.c +filesystems/yaffs2/yaffs_tagsvalidity.c +filesystems/yaffs2/yaffs_nand.c +filesystems/yaffs2/yaffs_checkptrw.c +filesystems/yaffs2/yaffs_qsort.c +""") + +nfs = Split(''' +filesystems/nfs/mount_clnt.c +filesystems/nfs/mount_xdr.c +filesystems/nfs/nfs_clnt.c +filesystems/nfs/nfs_xdr.c +filesystems/nfs/dfs_nfs.c +filesystems/nfs/rpc/auth_none.c +filesystems/nfs/rpc/clnt_generic.c +filesystems/nfs/rpc/clnt_udp.c +filesystems/nfs/rpc/rpc_prot.c +filesystems/nfs/rpc/pmap.c +filesystems/nfs/rpc/xdr.c +filesystems/nfs/rpc/xdr_mem.c +''') + +uffs = Split(''' +filesystems/uffs/src/uffs/uffs_badblock.c +filesystems/uffs/src/uffs/uffs_blockinfo.c +filesystems/uffs/src/uffs/uffs_buf.c +filesystems/uffs/src/uffs/uffs_debug.c +filesystems/uffs/src/uffs/uffs_device.c +filesystems/uffs/src/uffs/uffs_ecc.c +filesystems/uffs/src/uffs/uffs_fd.c +filesystems/uffs/src/uffs/uffs_find.c +filesystems/uffs/src/uffs/uffs_flash.c +filesystems/uffs/src/uffs/uffs_fs.c +filesystems/uffs/src/uffs/uffs_init.c +filesystems/uffs/src/uffs/uffs_mem.c +filesystems/uffs/src/uffs/uffs_mtb.c +filesystems/uffs/src/uffs/uffs_pool.c +filesystems/uffs/src/uffs/uffs_public.c +filesystems/uffs/src/uffs/uffs_tree.c +filesystems/uffs/src/uffs/uffs_utils.c +filesystems/uffs/src/uffs/uffs_version.c +filesystems/uffs/dfs_uffs.c +''') + +others = ''' +filesystems/uffs/dfs_nand_if.c +filesystems/uffs/uffs_ext.c +filesystems/uffs/flash/k9f2g08.c +filesystems/uffs/flash/nand_ids.c +''' + +src_local = dfs +# The set of source files associated with this SConscript file. +path = [RTT_ROOT + '/components/dfs', RTT_ROOT + '/components/dfs/include'] + +if GetDepend('RT_USING_DFS_YAFFS2'): + src_local = src_local + yaffs2_main + yaffs2_comm + path = path + [RTT_ROOT + '/components/dfs/filesystems/yaffs2', RTT_ROOT + '/components/dfs/filesystems/yaffs2/direct'] + +if GetDepend('RT_USING_DFS_ELMFAT'): + if GetDepend('RT_DFS_ELM_USE_LFN'): + elmfat += ['filesystems/elmfat/option/cc936.c'] + src_local = src_local + elmfat + +if GetDepend(['RT_USING_DFS_NFS', 'RT_USING_LWIP']): + src_local = src_local + nfs + path = path + [RTT_ROOT + '/components/dfs/filesystems/nfs'] + +if GetDepend('RT_USING_DFS_ROMFS'): + src_local = src_local + romfs + path = path + [RTT_ROOT + '/components/dfs/filesystems/romfs'] + +if GetDepend('RT_USING_DFS_DEVFS'): + src_local = src_local + devfs + path = path + [RTT_ROOT + '/components/dfs/filesystems/devfs'] + +if GetDepend('RT_USING_DFS_DEVFS'): + src_local = src_local + uffs + path = path + [RTT_ROOT + '/components/dfs/filesystems/uffs/src/inc', RTT_ROOT + '/components/dfs/filesystems/uffs', RTT_ROOT + '/components/dfs/filesystems/uffs/flash'] + +group = DefineGroup('Filesystem', src_local, depend = ['RT_USING_DFS'], CPPPATH = path) + +Return('group') diff --git a/components/dfs/filesystems/uffs/dfs_nand_if.c b/components/dfs/filesystems/uffs/dfs_nand_if.c new file mode 100644 index 0000000000..0e57c9c556 --- /dev/null +++ b/components/dfs/filesystems/uffs/dfs_nand_if.c @@ -0,0 +1,293 @@ + /* + This file is part of UFFS, the Ultra-low-cost Flash File System. + + Copyright (C) 2005-2009 Ricky Zheng + + This exception does not invalidate any other reasons why a work based + on this file might be covered by the GNU General Public License. +*/ +/** + * \file nand flash interface example + * \brief example for using nand flash driver and multiple partitions, with system memory allocator. + * \author Ricky Zheng, created at 27 Nov, 2007 + */ + +#include +#include +#include +#include "uffs/uffs_device.h" +#include "uffs/uffs_flash.h" +#include "uffs/uffs_mtb.h" +#include "uffs/uffs_fs.h" +#include "uffs/uffs_utils.h" +#include "uffs/uffs_find.h" +#include "uffs/uffs_fd.h" +#include "uffs_ext.h" + +#include "k9f2g08.h" + +#define PFX "nand-drv:" + +/* + * Note: all=0,read manufacturer id and device id only. + * all=1,read all bytes,comprise additional ids. + */ +static void nand_read_chip_ids(u8* buf, UBOOL all) +{ + K9F2G08_ReadChipID(buf, all); +} + +static int nand_write_page_data(uffs_Device *dev, u32 block, u32 page, const u8 *buffer, int len, u8 *ecc) +{ + K9F2G08_WritePage(block,page,buffer,len,ecc); + + dev->st.page_write_count++; + return UFFS_FLASH_NO_ERR; +} + + +static int nand_write_page_spare(uffs_Device *dev, u32 block, u32 page, const u8 *spare, int ofs, int len, UBOOL eod) +{ + K9F2G08_WriteTags(block,page,spare,ofs,len); + + dev->st.spare_write_count++; + return UFFS_FLASH_NO_ERR; +} + +static int nand_read_page_data(uffs_Device *dev, u32 block, u32 page, u8 *buffer, int len, u8 *ecc) +{ + K9F2G08_ReadPage(block,page,buffer,len,ecc); + + dev->st.page_read_count++; + return UFFS_FLASH_NO_ERR; +} + +static int nand_read_page_spare(uffs_Device *dev, u32 block, u32 page, u8 *spare, int ofs, int len) +{ + K9F2G08_ReadTags(block,page,spare,ofs,len); + + dev->st.spare_read_count++; + return UFFS_FLASH_NO_ERR; +} + +static int nand_erase_block(uffs_Device *dev, u32 block) +{ + K9F2G08_EraseBlock(block); + + dev->st.block_erase_count++; + return UFFS_FLASH_NO_ERR; +} + +static int nand_mark_badblock(uffs_Device *dev,u32 block) +{ + return K9F2G08_Mark_badblk(block); +} + +static int nand_is_badblock(uffs_Device *dev,u32 block) +{ + return K9F2G08_Check_badblk(block); +} + +static uffs_FlashOps nand_driver_ops = +{ + nand_read_page_data, //ReadPageData + nand_read_page_spare, //ReadPageSpare + NULL, //ReadPageSpareWithLayout + nand_write_page_data, //WritePageData + nand_write_page_spare, //WritePageSpare + NULL, //WriteFullPage + nand_is_badblock, //IsBadBlock + nand_mark_badblock, //MarkBadBlock + nand_erase_block, //EraseBlock +}; + +//change these parameters to fit your nand flash specification +//#define MAN_ID MAN_ID_SAMSUNG // simulate Samsung's NAND flash + +static struct uffs_StorageAttrSt flash_storage = {0}; + +static int initDevice(uffs_Device *dev) +{ + dev->ops = &nand_driver_ops; + return RT_EOK; +} + +static int releaseDevice(uffs_Device *dev) +{ + return RT_EOK; +} + +#include + +static uffs_Device uffs_device = {0}; +/* define mount table,UFFS FS private data */ +/* it is absolute accessing for uffs.*/ +static uffs_MountTable uffs_mount_table = +{ + &uffs_device, + 0, + TOTAL_BLOCKS-1, + "/" , + NULL, +}; + +#include "nand.h" +extern struct nand_flash_dev nand_flash_ids[]; +extern struct nand_manufacturers nand_manuf_ids[]; + +struct nand_flash_dev* nand_init(u8* buf) +{ + struct nand_flash_dev* type=RT_NULL; + int i, dev_id,maf_id; + + K9F2G08_Reset(); + rt_kprintf("nand: "); + + nand_read_chip_ids(buf,0); + maf_id= buf[0]; + /* Try to identify manufacturer */ + for (i = 0; nand_manuf_ids[i].id != 0x0; i++) + { + if (nand_manuf_ids[i].id == maf_id) + { + rt_kprintf("%s ",nand_manuf_ids[i].name); + break; + } + } + if(nand_manuf_ids[i].id == 0x0) + { + rt_kprintf("%s\n",nand_manuf_ids[i].name); + return RT_NULL; + } + + dev_id = buf[1]; + /* Lookup the flash id */ + for(i = 0; nand_flash_ids[i].name != RT_NULL; i++) + { + if(dev_id == nand_flash_ids[i].id) + { + type = &nand_flash_ids[i]; + rt_kprintf("%s\n",nand_flash_ids[i].name); + return type; + } + } + + return RT_NULL; +} + +/* RT-Thread Device Driver Interface */ +/* UFFS FileSystem NandFlash InterFace */ +/* we don't use entity, let uffs autarky */ + +struct rt_device nand_device; + +static rt_err_t rt_nand_init(rt_device_t dev) +{ + return 0; +} + +static rt_err_t rt_nand_open(rt_device_t dev, u16 oflag) +{ + return 0; +} + +static rt_err_t rt_nand_close(rt_device_t dev) +{ + return 0; +} + +static rt_err_t rt_nand_control(rt_device_t dev, u8 cmd, void *args) +{ + return 0; +} + +static rt_size_t rt_nand_read(rt_device_t dev, rt_off_t pos, void* buffer, rt_size_t size) +{ + return 0; +} + +static rt_size_t rt_nand_write (rt_device_t dev, rt_off_t pos, const void* buffer, rt_size_t size) +{ + return 0; +} + +void rt_hw_nand_init(void) +{ + struct nand_flash_dev *type = RT_NULL; + u8 buf[5]; + if((type = nand_init(buf)) != RT_NULL) + { + uffs_MountTable *entry; + struct uffs_StorageAttrSt *chip = &flash_storage; + + rt_device_t dev = &nand_device; + /* fill in NandFlash device struct */ + dev->type = RT_Device_Class_Block; + dev->init = rt_nand_init; + dev->open = rt_nand_open; + dev->close = rt_nand_close; + dev->read = rt_nand_read; + dev->write = rt_nand_write; + dev->control = rt_nand_control; + dev->user_data = &uffs_mount_table; + /* register nandfalsh device */ + rt_device_register(&nand_device, "nand0", + RT_DEVICE_FLAG_RDWR | RT_DEVICE_FLAG_REMOVABLE | RT_DEVICE_FLAG_STANDALONE); + + /* about uffs codes */ + entry = &uffs_mount_table; + //entry->lock = rt_sem_create("sem_nand0", 1, RT_IPC_FLAG_FIFO);//??it's lonely!how to do? + + uffs_MemSetupSystemAllocator(&(entry->dev->mem)); + entry->dev->Init = initDevice; + entry->dev->Release = releaseDevice; + entry->dev->attr = chip; + uffs_RegisterMountTable(entry); + + /* Newer devices have all the information in additional id bytes */ + if(!type->pagesize) + { + int extid; + nand_read_chip_ids(buf,1);//reread chip ids,the all and the one. + + /* The 3rd id byte holds MLC / multichip data,untapped */ + /* The 4th id byte is the important one */ + extid = buf[3]; + /* Calc pagesize */ + chip->page_data_size = 1024 << (extid & 0x3); + extid >>= 2; + /* Calc oobsize */ + chip->spare_size = (8<<(extid & 0x01))*(chip->page_data_size>>9); + extid >>= 2; + /* Calc blocksize. Blocksize is multiples of 64KiB */ + chip->pages_per_block = ((64*1024)<<(extid & 0x03))/(chip->page_data_size); + /* The 5th id byte */ + chip->total_blocks = (type->chipsize*1024*1024) / + chip->page_data_size / chip->pages_per_block; + + } + else + { /* Old devices have chip data hardcoded in the device id table */ + chip->page_data_size = type->pagesize; + chip->pages_per_block = type->blocksize / type->pagesize; + chip->spare_size = chip->page_data_size / 32; + chip->total_blocks = (type->chipsize*1024*1024) / type->blocksize; + } + if(type->options & NAND_SAMSUNG_LP_OPTIONS) + chip->block_status_offs = NAND_LARGE_BADBLOCK_POS; + else + chip->block_status_offs = NAND_SMALL_BADBLOCK_POS; + chip->ecc_opt = UFFS_ECC_SOFT; /* ecc option, do not use ECC,debug */ + chip->layout_opt = UFFS_LAYOUT_UFFS; /* let UFFS do the spare layout */ +#if (0) //DEBUG trace facility + rt_kprintf("page_data_size = %d\n",chip->page_data_size); + rt_kprintf("pages_per_block = %d\n",chip->pages_per_block); + rt_kprintf("spare_size = %d\n",chip->spare_size); + rt_kprintf("total_blocks = %d\n",chip->total_blocks); + rt_kprintf("block_stat_offs = %d\n",chip->block_status_offs); +#endif + } +} + +//end of file + diff --git a/components/dfs/filesystems/uffs/flash/K9F2G08.h b/components/dfs/filesystems/uffs/flash/K9F2G08.h new file mode 100644 index 0000000000..3d6397cde3 --- /dev/null +++ b/components/dfs/filesystems/uffs/flash/K9F2G08.h @@ -0,0 +1,27 @@ +#ifndef __K9F2G08_H__ +#define __K9F2G08_H__ + +#include +#include + +void K9F2G08_Program(u32 blockIndex, u32 srcAddress, u32 fileSize); + +//*************** H/W dependent functions *************** +void K9F2G08_ReadChipID(u8* buf, UBOOL all); + +int K9F2G08_Check_badblk(u32 block); +int K9F2G08_EraseBlock (u32 block); +int K9F2G08_Mark_badblk (u32 block); +int K9F2G08_ReadPage (u32 block, u32 page, u8 *buffer, int len, u8 *ecc); +int K9F2G08_WritePage (u32 block, u32 page, const u8 *buffer, int len, const u8 *ecc); +int K9F2G08_ReadTags (u32 block, u32 page, u8 *spare, int ofs, int len); +int K9F2G08_WriteTags (u32 block, u32 page, const u8 *spare, int ofs, int len); + +void K9F2G08_Reset(void); + +void K9F2G08_Init(void); + + +#endif + + diff --git a/components/dfs/filesystems/uffs/flash/k9f2g08.c b/components/dfs/filesystems/uffs/flash/k9f2g08.c new file mode 100644 index 0000000000..332ddf4087 --- /dev/null +++ b/components/dfs/filesystems/uffs/flash/k9f2g08.c @@ -0,0 +1,366 @@ +/** + * Óû§Òª×Ô¼ºÊµÏÖÕâ¸öÎļþÖеĽӿں¯Êý,²»Ò»ÑùµÄоƬ»áÓв»Í¬µÄ·ÃÎÊÃüÁî + * Õâ¸öÀý³ÌÎļþÊǹØÓÚSamsung k9f2g08оƬµÄ,ÊôÓÚ´óÒ³nandflash + */ +#include +#include "s3c24x0.h" + +#include + +#define nand_write_cmd(cmd) (NFCMD = (cmd)) +#define nand_write_addr(addr) (NFADDR = (addr)) +#define nand_cs_en() (NFCONT &= ~(1<<1)) +#define nand_cs_ds() (NFCONT |= (1<<1)) +#define nand_Init_ECC() (NFCONT |= (1<<4)) +#define nand_read() (NFDATA8) +#define nand_write(data) (NFDATA8 = (data)) + +#define nand_wait() {while(!(NFSTAT&(1<<0)));} //wait tWB and check F_RNB pin. + +//NAND Flash Command.support K9F2G08 +#define K9F2G08_CMD_READ0 0x00 // Read0 +//#define K9F2G08_CMD_READ1 1 // Read1,K9F2G08 don't support the command. +#define K9F2G08_CMD_RANDOM_DATA_OUT 0x05 // Random data output +#define K9F2G08_CMD_PAGEPROG 0x10 // Write phase 2 +#define K9F2G08_CMD_READ30 0x30 // Read30 +#define K9F2G08_CMD_READ35 0x35 // Read35 +//#define K9F2G08_CMD_READOOB 0x50 // Read oob +#define K9F2G08_CMD_ERASE1 0x60 // Erase phase 1 +#define K9F2G08_CMD_STATUS 0x70 // Status read +#define K9F2G08_CMD_READ_EDC 0x7b // Read EDC Status +#define K9F2G08_CMD_SEQIN 0x80 // Write phase 1 +#define K9F2G08_CMD_RANDOM_DATA_IN 0x85 // Random data input Copy-Back Program(0x85,0x10) +#define K9F2G08_CMD_READID 0x90 // ReadID,all-purpose command +#define K9F2G08_CMD_ERASE2 0xd0 // Erase phase 2 +#define K9F2G08_CMD_RESET 0xff // Reset + +#define BAD_CHECK (0) +#define ECC_CHECK (0) + + +//************************************************* +//** H/W dependent functions ** +//************************************************* + +// HCLK=100Mhz +#define TACLS 1 //1clk(0ns) +#define TWRPH0 4 //3clk(25ns) +#define TWRPH1 0 //1clk(10ns) //TACLS+TWRPH0+TWRPH1>=50ns + +int read_nand_stats(void) // R/B δ½ÓºÃ? +{ + u8 stat; + + nand_write_cmd(K9F2G08_CMD_STATUS);//0x70 + + stat = nand_read();//¶Á³ö·µ»ØµÄÊý¾Ý + + if(stat&1) return 1; // I/O0=1ʧ°Ü + else return 0; // I/O0=0³É¹¦ +} + +//²Á³ýÒ»¸ö¿é +//·µ»Ø0,successful +//·µ»Ø1,error +int K9F2G08_EraseBlock(u32 block) +{ + int stat; + u32 _page = block*PAGES_PER_BLOCK; + + nand_cs_en(); + + nand_write_cmd(K9F2G08_CMD_ERASE1); // Erase one block 1st command + + nand_write_addr(_page&0xff); // Page number=0 + nand_write_addr((_page>>8)&0xff); + nand_write_addr((_page>>16)&0xff); + + nand_write_cmd(K9F2G08_CMD_ERASE2); // Erase one blcok 2nd command + + nand_wait(); // Wait tBERS max 3ms. + + stat = read_nand_stats(); + nand_cs_ds(); + return stat; +} + +//return 1 if it's a bad block, 0 if it's good. +int K9F2G08_Check_badblk(u32 block) //0:bad,1:good +{ + u8 data; + u32 _page;//¿éµÄÊ×Ò³µØÖ· + + _page = block*PAGES_PER_BLOCK; // For 2'nd cycle I/O[7:5] + + nand_cs_en(); + + nand_write_cmd(K9F2G08_CMD_READ0); // Spare array read command + nand_write_addr(PAGE_DATA_SIZE&0xff); // Read the mark of bad block in spare array(M addr=5) + nand_write_addr((PAGE_DATA_SIZE>>8)&0xff); + nand_write_addr(_page&0xff); // The mark of bad block is in 0 page + nand_write_addr((_page>>8)&0xff); // For block number A[24:17] + nand_write_addr((_page>>16)&0xff); // For block number A[25] + nand_write_cmd(K9F2G08_CMD_READ30); + + nand_wait(); // Wait tR(max 12us) + + data=nand_read(); + nand_cs_ds(); + if(data==0x00) + return 1;//»µ¿é + else + return 0;//ºÃ¿é +} + +//return 0 if ok, 1:fail +int K9F2G08_Mark_badblk(u32 block) +{ + u8 stat; + u32 _page = block*PAGES_PER_BLOCK; + + nand_cs_en(); + + nand_write_cmd(K9F2G08_CMD_SEQIN); // Write 1st command + + nand_write_addr(PAGE_DATA_SIZE & 0xff); // The mark of bad block + nand_write_addr((PAGE_DATA_SIZE>>8)&0xff); + nand_write_addr(_page&0xff); // marked 5th spare array + nand_write_addr((_page>>8)&0xff); // in the 1st page. + nand_write_addr((_page>>16)&0xff); // + + nand_write(0x00); //»µ¿é±ê¼Ç + + nand_write_cmd(K9F2G08_CMD_PAGEPROG); // Write 2nd command + + nand_wait(); // Wait tPROG(200~500us) + stat = read_nand_stats();//²éѯÊÇ·ñ³É¹¦ + nand_cs_ds(); + + return stat; +} + + +int K9F2G08_ReadPage(u32 block, u32 page, u8 *buffer, int len, u8 *ecc) +{ + int i; + u32 _page = block*PAGES_PER_BLOCK + page; + +// NF_RSTECC(); // Initialize ECC + + nand_cs_en(); + + nand_write_cmd(K9F2G08_CMD_READ0); // Read command + nand_write_addr(0x00); // Column = 0 + nand_write_addr(0x00); + nand_write_addr(_page&0xff); // + nand_write_addr((_page>>8)&0xff); // Block & Page num. + nand_write_addr((_page>>16)&0xff); // + + nand_write_cmd(K9F2G08_CMD_READ30); + + nand_wait(); // Wait tR(max 12us) + for(i=0;i>8)&0xff); + nand_write_addr(_page&0xff); // + nand_write_addr((_page>>8)&0xff); // Block & Page num. + nand_write_addr((_page>>16)&0xff); // + + nand_write_cmd(K9F2G08_CMD_READ30); + + nand_wait(); // Wait tR(max 12us) + for(i=0;i>8)&0xff); // Block & page num. + nand_write_addr((_page>>16)&0xff); // + + for(i=0;i>8)&0xff); + nand_write_addr(_page&0xff); // + nand_write_addr((_page>>8)&0xff); // Block & page num. + nand_write_addr((_page>>16)&0xff); // + + for(i=0;i>= 16;r += 16;} +// if(!(x & 0xff)) {x >>= 8;r += 8;} +// if(!(x & 0xf)) {x >>= 4;r += 4;} +// if(!(x & 3)) {x >>= 2;r += 2;} +// if(!(x & 1)) {x >>= 1;r += 1;} +// +// return r; +//} + +/* when all is true,read all byte */ +void K9F2G08_ReadChipID(u8* buf, UBOOL all) +{ + nand_cs_en(); + + nand_write_cmd(K9F2G08_CMD_READID); //0x90 + nand_write_addr(K9F2G08_CMD_READ0); + + buf[0] = nand_read();//ÖÆÔìÉÌID + buf[1] = nand_read();//оƬID + if(all) + { + buf[2] = nand_read(); + buf[3] = nand_read(); + //buf[4] = nand_read(); //ÓеÄоƬûÓеÚ5¸ö×Ö½Ú + } + + nand_cs_ds(); +} + +void K9F2G08_Init(void) +{ + NFCONF = (TACLS<<12)|(TWRPH0<<8)|(TWRPH1<<4)|(0<<0); + NFCONT = (0<<13)|(0<<12)|(0<<10)|(0<<9)|(0<<8)|(1<<6)|(1<<5)|(1<<4)|(1<<1)|(1<<0); + NFSTAT = 0; + // 1 1 1 1, 1 xxx, r xxx, r xxx + // En 512B 4step ECCR nFCE=H tACLS tWRPH0 tWRPH1 +} + +void K9F2G08_Reset(void) +{ + nand_cs_en(); + + nand_write_cmd(0xFF); //reset command + + nand_wait(); //wait 200~500us; + nand_cs_ds(); + + K9F2G08_Init(); +} + +#if (0) +int K9F2G08_ReadChunk(u32 chunk, u8 *data, u8 *tags) +{ + int i; + + nand_cs_en(); + + nand_write_cmd(K9F2G08_CMD_READ0); // Read command + nand_write_addr(0x00); + nand_write_addr(0x00); + nand_write_addr(chunk & 0xff); // + nand_write_addr((chunk >> 8) & 0xff); // Block & Page num. + nand_write_addr((chunk >> 16) & 0xff); // + //nand_Init_ECC(); + nand_write_cmd(K9F2G08_CMD_READ30); // Read command + + nand_wait(); // Wait tR(max 12us) + + for(i = 0; i < PAGE_DATA_SIZE; i++) + { + data[i] = nand_read(); // Read one page + } + for(i = 0; i < PAGE_SPARE_SIZE; i++) + { + tags[i] = nand_read(); // Read spare array + } + + nand_cs_ds(); + + return 1; +} +#endif + diff --git a/components/dfs/filesystems/uffs/flash/nand.h b/components/dfs/filesystems/uffs/flash/nand.h new file mode 100644 index 0000000000..9ea7251910 --- /dev/null +++ b/components/dfs/filesystems/uffs/flash/nand.h @@ -0,0 +1,77 @@ +// +// Copyright (c) Microsoft Corporation. All rights reserved. +// +// +// Use of this source code is subject to the terms of the Microsoft end-user +// license agreement (EULA) under which you licensed this SOFTWARE PRODUCT. +// If you did not accept the terms of the EULA, you are not authorized to use +// this source code. For a copy of the EULA, please see the LICENSE.RTF on your +// install media. +// +/*++ +THIS CODE AND INFORMATION IS PROVIDED "AS IS" WITHOUT WARRANTY OF +ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING BUT NOT LIMITED TO +THE IMPLIED WARRANTIES OF MERCHANTABILITY AND/OR FITNESS FOR A +PARTICULAR PURPOSE. +--*/ +#ifndef __NAND_H__ +#define __NAND_H__ + +#include +#include + +/* define low accessing value */ +#define TOTAL_BLOCKS 2048 /* total block of whole chip */ +#define PAGE_DATA_SIZE 2048 /* max size of page data */ +#define PAGE_SPARE_SIZE 64 /* max size of extended partition */ +#define PAGES_PER_BLOCK 64 /* max pages per block' */ +#define PAGE_SIZE (PAGE_DATA_SIZE+PAGE_SPARE_SIZE)/* max size per whole page */ +#define BLOCK_DATA_SIZE (PAGE_DATA_SIZE*PAGES_PER_BLOCK)/* max size per block' */ + +//bad flags offset in the oob area. +#define NAND_SMALL_BADBLOCK_POS 5 //small page FLASH +#define NAND_LARGE_BADBLOCK_POS 0 //large page FLASH + +/* Option constants for bizarre disfunctionality and real +* features +*/ +/* Chip can not auto increment pages */ +#define NAND_NO_AUTOINCR 0x00000001 +/* Buswitdh is 16 bit */ +#define NAND_BUSWIDTH_16 0x00000002 +/* Device supports partial programming without padding */ +#define NAND_NO_PADDING 0x00000004 +/* Chip has cache program function */ +#define NAND_CACHEPRG 0x00000008 +/* Chip has copy back function */ +#define NAND_COPYBACK 0x00000010 +/* AND Chip which has 4 banks and a confusing page / block + * assignment. See Renesas datasheet for further information */ +#define NAND_IS_AND 0x00000020 +/* Chip has a array of 4 pages which can be read without + * additional ready /busy waits */ +#define NAND_4PAGE_ARRAY 0x00000040 + +/* Options valid for Samsung large page devices */ +#define NAND_SAMSUNG_LP_OPTIONS \ + (NAND_NO_PADDING | NAND_CACHEPRG | NAND_COPYBACK) + + +struct nand_flash_dev + +{ + char *name; //chip name + int id; //chip ID + unsigned long pagesize; //max pages + unsigned long chipsize; //size of whole chip iMB + unsigned long blocksize;//size of block + unsigned long options; //option +}; + +struct nand_manufacturers +{ + int id; + char * name; +}; + +#endif /*__NAND_H__*/ diff --git a/components/dfs/filesystems/uffs/flash/nand_ids.c b/components/dfs/filesystems/uffs/flash/nand_ids.c new file mode 100644 index 0000000000..a5d7c7dea9 --- /dev/null +++ b/components/dfs/filesystems/uffs/flash/nand_ids.c @@ -0,0 +1,135 @@ +/* + * drivers/mtd/nandids.c + * + * Copyright (C) 2002 Thomas Gleixner (tglx@linutronix.de) + * + * $Id: nand_ids.c,v 1.10 2004/05/26 13:40:12 gleixner Exp $ + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + * + */ + +#include + +#include "flash/nand.h" + +/* +* Chip ID list +* +* name, ID, pagesize, chipsize in MegaByte, eraseblock size,options +* +* if 0, get this information from the extended chip ID +*/ +struct nand_flash_dev nand_flash_ids[] = +{ + {"NAND 1MiB 5V 8-bit", 0x6e, 256, 1, 0x1000, 0}, + {"NAND 2MiB 5V 8-bit", 0x64, 256, 2, 0x1000, 0}, + {"NAND 4MiB 5V 8-bit", 0x6b, 512, 4, 0x2000, 0}, + {"NAND 1MiB 3,3V 8-bit", 0xe8, 256, 1, 0x1000, 0}, + {"NAND 1MiB 3,3V 8-bit", 0xec, 256, 1, 0x1000, 0}, + {"NAND 2MiB 3,3V 8-bit", 0xea, 256, 2, 0x1000, 0}, + {"NAND 4MiB 3,3V 8-bit", 0xd5, 512, 4, 0x2000, 0}, + {"NAND 4MiB 3,3V 8-bit", 0xe3, 512, 4, 0x2000, 0}, + {"NAND 4MiB 3,3V 8-bit", 0xe5, 512, 4, 0x2000, 0}, + {"NAND 8MiB 3,3V 8-bit", 0xd6, 512, 8, 0x2000, 0}, + + {"NAND 8MiB 1,8V 8-bit", 0x39, 512, 8, 0x2000, 0}, + {"NAND 8MiB 3,3V 8-bit", 0xe6, 512, 8, 0x2000, 0}, + {"NAND 8MiB 1,8V 16-bit", 0x49, 512, 8, 0x2000, NAND_BUSWIDTH_16}, + {"NAND 8MiB 3,3V 16-bit", 0x59, 512, 8, 0x2000, NAND_BUSWIDTH_16}, + + {"NAND 16MiB 1,8V 8-bit", 0x33, 512, 16, 0x4000, 0}, + {"NAND 16MiB 3,3V 8-bit", 0x73, 512, 16, 0x4000, 0}, + {"NAND 16MiB 1,8V 16-bit", 0x43, 512, 16, 0x4000, NAND_BUSWIDTH_16}, + {"NAND 16MiB 3,3V 16-bit", 0x53, 512, 16, 0x4000, NAND_BUSWIDTH_16}, + + {"NAND 32MiB 1,8V 8-bit", 0x35, 512, 32, 0x4000, 0}, + {"NAND 32MiB 3,3V 8-bit", 0x75, 512, 32, 0x4000, 0}, + {"NAND 32MiB 1,8V 16-bit", 0x45, 512, 32, 0x4000, NAND_BUSWIDTH_16}, + {"NAND 32MiB 3,3V 16-bit", 0x55, 512, 32, 0x4000, NAND_BUSWIDTH_16}, + + {"NAND 64MiB 1,8V 8-bit", 0x36, 512, 64, 0x4000, 0}, + {"NAND 64MiB 3,3V 8-bit", 0x76, 512, 64, 0x4000, 0}, + {"NAND 64MiB 1,8V 16-bit", 0x46, 512, 64, 0x4000, NAND_BUSWIDTH_16}, + {"NAND 64MiB 3,3V 16-bit", 0x56, 512, 64, 0x4000, NAND_BUSWIDTH_16}, + + {"NAND 128MiB 1,8V 8-bit", 0x78, 512, 128, 0x4000, 0}, + {"NAND 128MiB 3,3V 8-bit", 0x79, 512, 128, 0x4000, 0}, + {"NAND 128MiB 1,8V 16-bit", 0x72, 512, 128, 0x4000, NAND_BUSWIDTH_16}, + {"NAND 128MiB 3,3V 16-bit", 0x74, 512, 128, 0x4000, NAND_BUSWIDTH_16}, + + {"NAND 256MiB 3,3V 8-bit", 0x71, 512, 256, 0x4000, 0}, + +/* {"NAND 512MiB 3,3V 8-bit", 0xDC, 512, 512, 0x4000, 0}, */ + {"NAND 512MiB 3,3V 8-bit", 0xDC, 0, 512, 0, 0}, + + /* These are the new chips with large page size. The pagesize + * and the erasesize is determined from the extended id bytes + */ + /* 1 Gigabit */ + {"NAND 128MiB 1,8V 8-bit", 0xA1, 0, 128, 0, NAND_SAMSUNG_LP_OPTIONS | NAND_NO_AUTOINCR}, + {"NAND 128MiB 3,3V 8-bit", 0xF1, 0, 128, 0, NAND_SAMSUNG_LP_OPTIONS | NAND_NO_AUTOINCR}, + {"NAND 128MiB 1,8V 16-bit", 0xB1, 0, 128, 0, NAND_SAMSUNG_LP_OPTIONS | NAND_BUSWIDTH_16 | NAND_NO_AUTOINCR}, + {"NAND 128MiB 3,3V 16-bit", 0xC1, 0, 128, 0, NAND_SAMSUNG_LP_OPTIONS | NAND_BUSWIDTH_16 | NAND_NO_AUTOINCR}, + + /* 2 Gigabit */ + {"NAND 256MiB 1,8V 8-bit", 0xAA, 0, 256, 0, NAND_SAMSUNG_LP_OPTIONS | NAND_NO_AUTOINCR}, + {"NAND 256MiB 3,3V 8-bit", 0xDA, 0, 256, 0, NAND_SAMSUNG_LP_OPTIONS | NAND_NO_AUTOINCR}, + {"NAND 256MiB 1,8V 16-bit", 0xBA, 0, 256, 0, NAND_SAMSUNG_LP_OPTIONS | NAND_BUSWIDTH_16 | NAND_NO_AUTOINCR}, + {"NAND 256MiB 3,3V 16-bit", 0xCA, 0, 256, 0, NAND_SAMSUNG_LP_OPTIONS | NAND_BUSWIDTH_16 | NAND_NO_AUTOINCR}, + + /* 4 Gigabit */ + {"NAND 512MiB 1,8V 8-bit", 0xAC, 0, 512, 0, NAND_SAMSUNG_LP_OPTIONS | NAND_NO_AUTOINCR}, + {"NAND 512MiB 3,3V 8-bit", 0xDC, 0, 512, 0, NAND_SAMSUNG_LP_OPTIONS | NAND_NO_AUTOINCR}, + {"NAND 512MiB 1,8V 16-bit", 0xBC, 0, 512, 0, NAND_SAMSUNG_LP_OPTIONS | NAND_BUSWIDTH_16 | NAND_NO_AUTOINCR}, + {"NAND 512MiB 3,3V 16-bit", 0xCC, 0, 512, 0, NAND_SAMSUNG_LP_OPTIONS | NAND_BUSWIDTH_16 | NAND_NO_AUTOINCR}, + + /* 8 Gigabit */ + {"NAND 1GiB 1,8V 8-bit", 0xA3, 0, 1024, 0, NAND_SAMSUNG_LP_OPTIONS | NAND_NO_AUTOINCR}, + {"NAND 1GiB 3,3V 8-bit", 0xD3, 0, 1024, 0, NAND_SAMSUNG_LP_OPTIONS | NAND_NO_AUTOINCR}, + {"NAND 1GiB 1,8V 16-bit", 0xB3, 0, 1024, 0, NAND_SAMSUNG_LP_OPTIONS | NAND_BUSWIDTH_16 | NAND_NO_AUTOINCR}, + {"NAND 1GiB 3,3V 16-bit", 0xC3, 0, 1024, 0, NAND_SAMSUNG_LP_OPTIONS | NAND_BUSWIDTH_16 | NAND_NO_AUTOINCR}, + + /* 16 Gigabit */ + {"NAND 2GiB 1,8V 8-bit", 0xA5, 0, 2048, 0, NAND_SAMSUNG_LP_OPTIONS | NAND_NO_AUTOINCR}, + {"NAND 2GiB 3,3V 8-bit", 0xD5, 0, 2048, 0, NAND_SAMSUNG_LP_OPTIONS | NAND_NO_AUTOINCR}, + {"NAND 2GiB 1,8V 16-bit", 0xB5, 0, 2048, 0, NAND_SAMSUNG_LP_OPTIONS | NAND_BUSWIDTH_16 | NAND_NO_AUTOINCR}, + {"NAND 2GiB 3,3V 16-bit", 0xC5, 0, 2048, 0, NAND_SAMSUNG_LP_OPTIONS | NAND_BUSWIDTH_16 | NAND_NO_AUTOINCR}, + + /* Renesas AND 1 Gigabit. Those chips do not support extended id and have a strange page/block layout ! + * The chosen minimum erasesize is 4 * 2 * 2048 = 16384 Byte, as those chips have an array of 4 page planes + * 1 block = 2 pages, but due to plane arrangement the blocks 0-3 consists of page 0 + 4,1 + 5, 2 + 6, 3 + 7 + * Anyway JFFS2 would increase the eraseblock size so we chose a combined one which can be erased in one go + * There are more speed improvements for reads and writes possible, but not implemented now + */ + {"AND 128MiB 3,3V 8-bit", 0x01, 2048, 128, 0x4000, NAND_IS_AND | NAND_NO_AUTOINCR | NAND_4PAGE_ARRAY}, + + {RT_NULL,} +}; + +/* + * NAND Flash Éú²ú³§¼Ò´úÂë + */ +#define NAND_MFR_TOSHIBA 0x98 +#define NAND_MFR_SAMSUNG 0xec +#define NAND_MFR_FUJITSU 0x04 +#define NAND_MFR_NATIONAL 0x8f +#define NAND_MFR_RENESAS 0x07 +#define NAND_MFR_STMICRO 0x20 + +/* ÖÆÔìÉÌIDÁбí */ +struct nand_manufacturers nand_manuf_ids[] = +{ + {NAND_MFR_TOSHIBA, "Toshiba"}, + {NAND_MFR_SAMSUNG, "Samsung"}, + {NAND_MFR_FUJITSU, "Fujitsu"}, + {NAND_MFR_NATIONAL,"National"}, + {NAND_MFR_RENESAS, "Renesas"}, + {NAND_MFR_STMICRO, "ST Micro"}, + {0x0, "Unknown"} +}; + + + diff --git a/components/dfs/filesystems/uffs/flash/uffs_nand_samsung.c b/components/dfs/filesystems/uffs/flash/uffs_nand_samsung.c new file mode 100644 index 0000000000..e69de29bb2 diff --git a/components/dfs/filesystems/uffs/src/emu/uffs_fileem_ecc_hw.c b/components/dfs/filesystems/uffs/src/emu/uffs_fileem_ecc_hw.c new file mode 100644 index 0000000000..3ca1d12b3d --- /dev/null +++ b/components/dfs/filesystems/uffs/src/emu/uffs_fileem_ecc_hw.c @@ -0,0 +1,234 @@ +/* + This file is part of UFFS, the Ultra-low-cost Flash File System. + + Copyright (C) 2005-2010 Ricky Zheng + + UFFS is free software; you can redistribute it and/or modify it under + the GNU Library General Public License as published by the Free Software + Foundation; either version 2 of the License, or (at your option) any + later version. + + UFFS is distributed in the hope that it will be useful, but WITHOUT + ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + or GNU Library General Public License, as applicable, for more details. + + You should have received a copy of the GNU General Public License + and GNU Library General Public License along with UFFS; if not, write + to the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, + Boston, MA 02110-1301, USA. + + As a special exception, if other files instantiate templates or use + macros or inline functions from this file, or you compile this file + and link it with other works to produce a work based on this file, + this file does not by itself cause the resulting work to be covered + by the GNU General Public License. However the source code for this + file must still be made available in accordance with section (3) of + the GNU General Public License v2. + + This exception does not invalidate any other reasons why a work based + on this file might be covered by the GNU General Public License. +*/ + +/** + * \file uffs_fileem_ecc_hw.c + * \brief emulate uffs file system for hardware ECC. + * + * In this emulator, we call 'uffs_FlashMakeSpare()' to do the layout job + * and call 'uffs_EccMake()' to calculate ECC. + * + * \author Ricky Zheng @ Oct, 2010 + */ + +#include +#include +#include +#include + +#include "uffs/uffs_device.h" +#include "uffs_fileem.h" +#include "uffs/uffs_ecc.h" + +#define PFX "femu: " +#define MSG(msg,...) uffs_PerrorRaw(UFFS_ERR_NORMAL, msg, ## __VA_ARGS__) +#define MSGLN(msg,...) uffs_Perror(UFFS_ERR_NORMAL, msg, ## __VA_ARGS__) + +static int femu_hw_WritePageWithLayout(uffs_Device *dev, u32 block, u32 page, + const u8 *data, int data_len, const u8 *ecc, const uffs_TagStore *ts) +{ + int written; + int abs_page; + int full_page_size; + uffs_FileEmu *emu; + struct uffs_StorageAttrSt *attr = dev->attr; + u8 spare[UFFS_MAX_SPARE_SIZE]; + u8 ecc_buf[UFFS_MAX_ECC_SIZE]; + int spare_len; + + + emu = (uffs_FileEmu *)(dev->attr->_private); + + if (!emu || !(emu->fp)) { + goto err; + } + + abs_page = attr->pages_per_block * block + page; + full_page_size = attr->page_data_size + attr->spare_size; + + if (data && data_len > 0) { + if (data_len > attr->page_data_size) + goto err; + + emu->em_monitor_page[abs_page]++; + if (emu->em_monitor_page[abs_page] > PAGE_DATA_WRITE_COUNT_LIMIT) { + MSG("Warrning: block %d page %d exceed it's maximum write time!", block, page); + goto err; + } + + fseek(emu->fp, abs_page * full_page_size, SEEK_SET); + + written = fwrite(data, 1, data_len, emu->fp); + + if (written != data_len) { + MSG("write page I/O error ?"); + goto err; + } + + dev->st.page_write_count++; + dev->st.io_write += written; + + } + + if (ts) { + + emu->em_monitor_spare[abs_page]++; + if (emu->em_monitor_spare[abs_page] > PAGE_SPARE_WRITE_COUNT_LIMIT) { + MSG("Warrning: block %d page %d (spare) exceed it's maximum write time!", block, page); + goto err; + } + + uffs_Assert(data != NULL, "BUG: Write spare without data ?"); + uffs_EccMake(data, data_len, ecc_buf); + uffs_FlashMakeSpare(dev, ts, ecc_buf, spare); + spare_len = dev->mem.spare_data_size; + + fseek(emu->fp, abs_page * full_page_size + attr->page_data_size, SEEK_SET); + written = fwrite(spare, 1, spare_len, emu->fp); + if (written != spare_len) { + MSG("write spare I/O error ?"); + goto err; + } + + dev->st.spare_write_count++; + dev->st.io_write += written; + } + + if (data == NULL && ts == NULL) { + // mark bad block + fseek(emu->fp, abs_page * full_page_size + attr->page_data_size + attr->block_status_offs, SEEK_SET); + written = fwrite("\0", 1, 1, emu->fp); + if (written != 1) { + MSG("write bad block mark I/O error ?"); + goto err; + } + dev->st.io_write++; + } + + fflush(emu->fp); + return UFFS_FLASH_NO_ERR; +err: + fflush(emu->fp); + return UFFS_FLASH_IO_ERR; +} + + +static URET femu_hw_ReadPageWithLayout(uffs_Device *dev, u32 block, u32 page, u8* data, int data_len, u8 *ecc, + uffs_TagStore *ts, u8 *ecc_store) +{ + int nread; + uffs_FileEmu *emu; + int abs_page; + int full_page_size; + struct uffs_StorageAttrSt *attr = dev->attr; + unsigned char status; + u8 spare[UFFS_MAX_SPARE_SIZE]; + int spare_len; + + emu = (uffs_FileEmu *)(dev->attr->_private); + + if (!emu || !(emu->fp)) { + goto err; + } + + abs_page = attr->pages_per_block * block + page; + full_page_size = attr->page_data_size + attr->spare_size; + + if (data && data_len > 0) { + if (data_len > attr->page_data_size) + goto err; + + fseek(emu->fp, abs_page * full_page_size, SEEK_SET); + nread = fread(data, 1, data_len, emu->fp); + + if (nread != data_len) { + MSG("read page I/O error ?"); + goto err; + } + dev->st.io_read += nread; + dev->st.page_read_count++; + + if (ecc) { + // calculate ECC for data + uffs_EccMake(data, data_len, ecc); + } + } + + if (ts) { + + spare_len = dev->mem.spare_data_size; + fseek(emu->fp, abs_page * full_page_size + attr->page_data_size, SEEK_SET); + nread = fread(spare, 1, spare_len, emu->fp); + + if (nread != spare_len) { + MSG("read page spare I/O error ?"); + goto err; + } + + // unload ts and ecc from spare + uffs_FlashUnloadSpare(dev, spare, ts, ecc_store); + + dev->st.io_read += nread; + dev->st.spare_read_count++; + } + + if (data == NULL && ts == NULL) { + // read bad block mark + fseek(emu->fp, abs_page * full_page_size + attr->page_data_size + attr->block_status_offs, SEEK_SET); + nread = fread(&status, 1, 1, emu->fp); + + if (nread != 1) { + MSG("read badblock mark I/O error ?"); + goto err; + } + dev->st.io_read++; + + return status == 0xFF ? UFFS_FLASH_NO_ERR : UFFS_FLASH_BAD_BLK; + } + + return UFFS_FLASH_NO_ERR; +err: + return UFFS_FLASH_IO_ERR; +} + + +uffs_FlashOps g_femu_ops_ecc_hw = { + femu_InitFlash, // InitFlash() + femu_ReleaseFlash, // ReleaseFlash() + NULL, // ReadPage() + femu_hw_ReadPageWithLayout, // ReadPageWithLayout() + NULL, // WritePage() + femu_hw_WritePageWithLayout,// WritePageWithLayout() + NULL, // IsBadBlock(), let UFFS take care of it. + NULL, // MarkBadBlock(), let UFFS take care of it. + femu_EraseBlock, // EraseBlock() +}; diff --git a/components/dfs/filesystems/uffs/src/emu/uffs_fileem_ecc_hw_auto.c b/components/dfs/filesystems/uffs/src/emu/uffs_fileem_ecc_hw_auto.c new file mode 100644 index 0000000000..a1ee3d63dd --- /dev/null +++ b/components/dfs/filesystems/uffs/src/emu/uffs_fileem_ecc_hw_auto.c @@ -0,0 +1,350 @@ +/* + This file is part of UFFS, the Ultra-low-cost Flash File System. + + Copyright (C) 2005-2010 Ricky Zheng + + UFFS is free software; you can redistribute it and/or modify it under + the GNU Library General Public License as published by the Free Software + Foundation; either version 2 of the License, or (at your option) any + later version. + + UFFS is distributed in the hope that it will be useful, but WITHOUT + ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + or GNU Library General Public License, as applicable, for more details. + + You should have received a copy of the GNU General Public License + and GNU Library General Public License along with UFFS; if not, write + to the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, + Boston, MA 02110-1301, USA. + + As a special exception, if other files instantiate templates or use + macros or inline functions from this file, or you compile this file + and link it with other works to produce a work based on this file, + this file does not by itself cause the resulting work to be covered + by the GNU General Public License. However the source code for this + file must still be made available in accordance with section (3) of + the GNU General Public License v2. + + This exception does not invalidate any other reasons why a work based + on this file might be covered by the GNU General Public License. +*/ + +/** + * \file uffs_fileem_ecc_hw_auto.c + * + * \brief Emulate uffs file system for auto hardware ECC or RS error collection. + * + * This emulator emulate LPC32x0 MLC NAND controller which generate 10 bytes + * Reed-Solomon error correction code (RS-ECC) for every 518 bytes data. + * + * For small page MLC have 16 bytes spare area leves only 6 bytes for 'meta-data', + * no enough room for UFFS's 8 bytes tag and bad block mark. For this reason, + * we adjust page data/spare boundary to 508/20. + * + * This emulator does not calculate real RS-ECC code, instead, we use software ECC + * to calculate 6 bytes ECC code, so this solution does not have the same error + * correcting cabability of RS-ECC. + * + * Note: the MLC controller strictly require sequencial access to serial data buffer. + * + * \author Ricky Zheng @ Oct, 2010 + */ + +#include +#include +#include +#include + +#include "uffs/uffs_device.h" +#include "uffs_fileem.h" + +#define PFX "femu: " +#define MSG(msg,...) uffs_PerrorRaw(UFFS_ERR_NORMAL, msg, ## __VA_ARGS__) +#define MSGLN(msg,...) uffs_Perror(UFFS_ERR_NORMAL, msg, ## __VA_ARGS__) + +#define RS_ECC_SIZE 10 +#define PAGE_DATA_SIZE 508 +#define PAGE_SPARE_SIZE 20 +#define PAGE_FULL_SIZE (PAGE_DATA_SIZE + PAGE_SPARE_SIZE) +static u8 g_sdata_buf[PAGE_FULL_SIZE]; // emulating LPC32x0's 528-bytes serial data buffer + +static int g_sdata_buf_pointer = 0; + +static void start_sdata_access() +{ + g_sdata_buf_pointer = 0; +} + +static void feed_sdata(const u8 *data, int len) +{ + uffs_Assert(g_sdata_buf_pointer + len <= sizeof(g_sdata_buf), "BUG: Serial Data Buffer overflow !!"); + if (data) + memcpy(g_sdata_buf + g_sdata_buf_pointer, data, len); + g_sdata_buf_pointer += len; +} + +static void feed_sdata_constant(u8 val, int num) +{ + uffs_Assert(g_sdata_buf_pointer + num <= sizeof(g_sdata_buf), "BUG: Serial Data Buffer overflow !!"); + memset(g_sdata_buf + g_sdata_buf_pointer, val, num); + g_sdata_buf_pointer += num; +} + +static void drain_sdata(u8 *data, int len) +{ + uffs_Assert(sizeof(g_sdata_buf) - g_sdata_buf_pointer >= len, "BUG: Serial Data Buffer overdrain !!"); + if (data) + memcpy(data, g_sdata_buf + g_sdata_buf_pointer, len); + g_sdata_buf_pointer += len; +} + +static int load_sdata(uffs_Device *dev, int block, int page) +{ + uffs_FileEmu *emu = (uffs_FileEmu *)(dev->attr->_private); + int abs_page; + struct uffs_StorageAttrSt *attr = dev->attr; + int nread; + int ret; + u8 ecc_buf[RS_ECC_SIZE]; + u8 *ecc_store; + + abs_page = attr->pages_per_block * block + page; + + fseek(emu->fp, abs_page * PAGE_FULL_SIZE, SEEK_SET); + nread = fread(g_sdata_buf, 1, PAGE_FULL_SIZE, emu->fp); + g_sdata_buf_pointer = 0; + + ret = ((nread == PAGE_FULL_SIZE) ? UFFS_FLASH_NO_ERR : UFFS_FLASH_IO_ERR); + + if (ret == UFFS_FLASH_NO_ERR) { + + // Perform ECC check & correction + // In the real world, this is done by MLC controller hardware + memset(ecc_buf, 0xFF, RS_ECC_SIZE); + uffs_EccMake(g_sdata_buf, attr->page_data_size, ecc_buf); + + ecc_store = g_sdata_buf + PAGE_FULL_SIZE - RS_ECC_SIZE; + + ret = uffs_EccCorrect(g_sdata_buf, attr->page_data_size, ecc_store, ecc_buf); + + ret = (ret < 0 ? UFFS_FLASH_ECC_FAIL : + (ret > 0 ? UFFS_FLASH_ECC_OK : UFFS_FLASH_NO_ERR)); + + } + + return ret; +} + +static int program_sdata(uffs_Device *dev, int block, int page) +{ + uffs_FileEmu *emu = (uffs_FileEmu *)(dev->attr->_private); + int abs_page; + struct uffs_StorageAttrSt *attr = dev->attr; + u8 ecc_buf[RS_ECC_SIZE]; + int writtern; + + // In the real world, MLC controller will generate RS-ECC code in serial data buffer + // and might start auto programing NAND flash. Here, we use software ECC to emulate RS-ECC. + memset(ecc_buf, 0xFF, sizeof(ecc_buf)); + uffs_EccMake(g_sdata_buf, attr->page_data_size, ecc_buf); + feed_sdata(ecc_buf, RS_ECC_SIZE); + + uffs_Assert(g_sdata_buf_pointer == PAGE_FULL_SIZE, "Serial Data Buffer is not fully filled !!"); + + abs_page = attr->pages_per_block * block + page; + + fseek(emu->fp, abs_page * PAGE_FULL_SIZE, SEEK_SET); + writtern = fwrite(g_sdata_buf, 1, PAGE_FULL_SIZE, emu->fp); + + return (writtern == PAGE_FULL_SIZE) ? UFFS_FLASH_NO_ERR : UFFS_FLASH_IO_ERR; +} + + +static int femu_hw_auto_InitFlash(uffs_Device *dev) +{ + struct uffs_StorageAttrSt *attr = dev->attr; + + // now this is a good chance to adjust page data/spare boundary + if (attr->page_data_size + attr->spare_size != PAGE_FULL_SIZE) { + MSGLN("This emulator emulates only for page size %d bytes !", PAGE_FULL_SIZE); + return -1; + } + if (attr->spare_size < PAGE_SPARE_SIZE) { + attr->page_data_size -= (PAGE_SPARE_SIZE - attr->spare_size); + attr->spare_size = PAGE_SPARE_SIZE; + MSGLN("Adjust page data/spare boundary to %d/%d", attr->page_data_size, attr->spare_size); + } + + // and fix ECC size + attr->ecc_size = RS_ECC_SIZE; + MSGLN("Adjust ECC size to %d bytes", attr->ecc_size); + + return femu_InitFlash(dev); +} + + +static int femu_hw_auto_WritePageWithLayout(uffs_Device *dev, u32 block, u32 page, + const u8 *data, int data_len, const u8 *ecc, const uffs_TagStore *ts) +{ + int abs_page; + uffs_FileEmu *emu; + struct uffs_StorageAttrSt *attr = dev->attr; + u8 spare[PAGE_SPARE_SIZE]; + int ret = UFFS_FLASH_IO_ERR; + + emu = (uffs_FileEmu *)(dev->attr->_private); + + if (!emu || !(emu->fp)) { + goto err; + } + + abs_page = attr->pages_per_block * block + page; + + start_sdata_access(); + + dev->st.page_write_count++; + dev->st.spare_write_count++; + dev->st.io_write += PAGE_FULL_SIZE; + + if (data || ts) { + // normal page write + if (data && data_len > 0) { + if (data_len > attr->page_data_size) + goto err; + + emu->em_monitor_page[abs_page]++; + if (emu->em_monitor_page[abs_page] > PAGE_DATA_WRITE_COUNT_LIMIT) { + MSGLN("Warrning: block %d page %d exceed it's maximum write time!", block, page); + goto err; + } + + // Copy data to serial data buffer + feed_sdata(data, data_len); + + // Pad the rest data as 0xFF + feed_sdata_constant(0xFF, attr->page_data_size - data_len); + + } + else { + // We still need to feed data to serial data buffer to make MLC controller happy + // The current UFFS won't write ts only, so we'll never run to here. + feed_sdata_constant(0xFF, attr->page_data_size); + } + + if (ts) { + + emu->em_monitor_spare[abs_page]++; + if (emu->em_monitor_spare[abs_page] > PAGE_SPARE_WRITE_COUNT_LIMIT) { + MSGLN("Warrning: block %d page %d (spare) exceed it's maximum write time!", block, page); + goto err; + } + + memset(spare, 0xFF, sizeof(spare)); + uffs_FlashMakeSpare(dev, ts, NULL, spare); // do not pack ECC, as MLC controller will + // automatically write RS-ECC to the latest 10 bytes. + + // feed spare data to serial data buffer + feed_sdata(spare, PAGE_SPARE_SIZE - RS_ECC_SIZE); + } + } + else { + // mark bad block + + // feed data to serial data buffer to make MLC controller happy + feed_sdata_constant(0xFF, attr->page_data_size); + + memset(spare, 0xFF, sizeof(spare)); + spare[attr->block_status_offs] = 0; + + // feed spare data to serial data buffer + feed_sdata(spare, PAGE_SPARE_SIZE - RS_ECC_SIZE); + + dev->st.io_write++; + } + + // now, program serial data buffer to NAND flash + ret = program_sdata(dev, block, page); + + fflush(emu->fp); + return ret; +err: + fflush(emu->fp); + return ret; +} + + +static URET femu_hw_auto_ReadPageWithLayout(uffs_Device *dev, u32 block, u32 page, u8* data, int data_len, u8 *ecc, + uffs_TagStore *ts, u8 *ecc_store) +{ + uffs_FileEmu *emu; + int abs_page; + struct uffs_StorageAttrSt *attr = dev->attr; + unsigned char status; + int spare_len; + u8 spare[PAGE_SPARE_SIZE]; + u8 ecc_buf[RS_ECC_SIZE]; + int ret = UFFS_FLASH_IO_ERR; + + emu = (uffs_FileEmu *)(dev->attr->_private); + + if (!emu || !(emu->fp)) { + goto ext; + } + + abs_page = attr->pages_per_block * block + page; + + // now load full page to serial data buffer + ret = load_sdata(dev, block, page); + if (ret != UFFS_FLASH_NO_ERR) + goto ext; + + start_sdata_access(); + + dev->st.io_read += PAGE_FULL_SIZE; + dev->st.page_read_count++; + dev->st.spare_read_count++; + + if (data || ts) { + + if (data && data_len > 0) { + if (data_len > attr->page_data_size) + goto ext; + + drain_sdata(data, data_len); + } + + if (ts) { + if (g_sdata_buf_pointer < attr->page_data_size) + drain_sdata(NULL, attr->page_data_size - g_sdata_buf_pointer); + + drain_sdata(spare, PAGE_SPARE_SIZE - RS_ECC_SIZE); + + // unload ts from spare + uffs_FlashUnloadSpare(dev, spare, ts, NULL); + } + } + else { + // read bad block mark + drain_sdata(NULL, attr->page_data_size + attr->block_status_offs - 1); + drain_sdata(&status, 1); + + ret = (status == 0xFF ? UFFS_FLASH_NO_ERR : UFFS_FLASH_BAD_BLK); + } + +ext: + return ret; +} + + +uffs_FlashOps g_femu_ops_ecc_hw_auto = { + femu_hw_auto_InitFlash, // InitFlash() + femu_ReleaseFlash, // ReleaseFlash() + NULL, // ReadPage() + femu_hw_auto_ReadPageWithLayout, // ReadPageWithLayout() + NULL, // WritePage() + femu_hw_auto_WritePageWithLayout, // WirtePageWithLayout() + NULL, // IsBadBlock(), let UFFS take care of it. + NULL, // MarkBadBlock(), let UFFS take care of it. + femu_EraseBlock, // EraseBlock() +}; diff --git a/components/dfs/filesystems/uffs/src/emu/uffs_fileem_ecc_soft.c b/components/dfs/filesystems/uffs/src/emu/uffs_fileem_ecc_soft.c new file mode 100644 index 0000000000..44ba0ed648 --- /dev/null +++ b/components/dfs/filesystems/uffs/src/emu/uffs_fileem_ecc_soft.c @@ -0,0 +1,212 @@ +/* + This file is part of UFFS, the Ultra-low-cost Flash File System. + + Copyright (C) 2005-2010 Ricky Zheng + + UFFS is free software; you can redistribute it and/or modify it under + the GNU Library General Public License as published by the Free Software + Foundation; either version 2 of the License, or (at your option) any + later version. + + UFFS is distributed in the hope that it will be useful, but WITHOUT + ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + or GNU Library General Public License, as applicable, for more details. + + You should have received a copy of the GNU General Public License + and GNU Library General Public License along with UFFS; if not, write + to the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, + Boston, MA 02110-1301, USA. + + As a special exception, if other files instantiate templates or use + macros or inline functions from this file, or you compile this file + and link it with other works to produce a work based on this file, + this file does not by itself cause the resulting work to be covered + by the GNU General Public License. However the source code for this + file must still be made available in accordance with section (3) of + the GNU General Public License v2. + + This exception does not invalidate any other reasons why a work based + on this file might be covered by the GNU General Public License. +*/ + +/** + * \file uffs_fileem_ecc_soft.c + * \brief emulate uffs file system for software ECC + * \author Ricky Zheng @ Oct, 2010 + */ + +#include +#include +#include +#include + +#include "uffs/uffs_device.h" +#include "uffs/uffs_flash.h" +#include "uffs_fileem.h" + +#define PFX "femu: " +#define MSG(msg,...) uffs_PerrorRaw(UFFS_ERR_NORMAL, msg, ## __VA_ARGS__) +#define MSGLN(msg,...) uffs_Perror(UFFS_ERR_NORMAL, msg, ## __VA_ARGS__) + +static int femu_WritePage(uffs_Device *dev, u32 block, u32 page_num, + const u8 *data, int data_len, const u8 *spare, int spare_len) +{ + int written; + int abs_page; + int full_page_size; + uffs_FileEmu *emu; + struct uffs_StorageAttrSt *attr = dev->attr; + + emu = (uffs_FileEmu *)(dev->attr->_private); + + if (!emu || !(emu->fp)) { + goto err; + } + + abs_page = attr->pages_per_block * block + page_num; + full_page_size = attr->page_data_size + attr->spare_size; + + if (data && data_len > 0) { + if (data_len > attr->page_data_size) + goto err; + + emu->em_monitor_page[abs_page]++; + if (emu->em_monitor_page[abs_page] > PAGE_DATA_WRITE_COUNT_LIMIT) { + MSGLN("Warrning: block %d page %d exceed it's maximum write time!", block, page_num); + goto err; + } + + fseek(emu->fp, abs_page * full_page_size, SEEK_SET); + + written = fwrite(data, 1, data_len, emu->fp); + + if (written != data_len) { + MSGLN("write page I/O error ?"); + goto err; + } + + dev->st.page_write_count++; + dev->st.io_write += written; + } + + if (spare && spare_len > 0) { + if (spare_len > attr->spare_size) + goto err; + + emu->em_monitor_spare[abs_page]++; + if (emu->em_monitor_spare[abs_page] > PAGE_SPARE_WRITE_COUNT_LIMIT) { + MSGLN("Warrning: block %d page %d (spare) exceed it's maximum write time!", block, page_num); + goto err; + } + + fseek(emu->fp, abs_page * full_page_size + attr->page_data_size, SEEK_SET); + written = fwrite(spare, 1, spare_len, emu->fp); + if (written != spare_len) { + MSGLN("write spare I/O error ?"); + goto err; + } + + dev->st.spare_write_count++; + dev->st.io_write += written; + } + + if (data == NULL && spare == NULL) { + // mark bad block + fseek(emu->fp, abs_page * full_page_size + attr->page_data_size + attr->block_status_offs, SEEK_SET); + written = fwrite("\0", 1, 1, emu->fp); + if (written != 1) { + MSGLN("write bad block mark I/O error ?"); + goto err; + } + dev->st.io_write++; + } + + fflush(emu->fp); + return UFFS_FLASH_NO_ERR; +err: + fflush(emu->fp); + return UFFS_FLASH_IO_ERR; +} + + +static URET femu_ReadPage(uffs_Device *dev, u32 block, u32 page_num, u8 *data, int data_len, u8 *ecc, + u8 *spare, int spare_len) +{ + int nread; + uffs_FileEmu *emu; + int abs_page; + int full_page_size; + struct uffs_StorageAttrSt *attr = dev->attr; + unsigned char status; + + emu = (uffs_FileEmu *)(dev->attr->_private); + + if (!emu || !(emu->fp)) { + goto err; + } + + abs_page = attr->pages_per_block * block + page_num; + full_page_size = attr->page_data_size + attr->spare_size; + + if (data && data_len > 0) { + if (data_len > attr->page_data_size) + goto err; + + fseek(emu->fp, abs_page * full_page_size, SEEK_SET); + nread = fread(data, 1, data_len, emu->fp); + + if (nread != data_len) { + MSGLN("read page I/O error ?"); + goto err; + } + dev->st.io_read += nread; + dev->st.page_read_count++; + } + + if (spare && spare_len > 0) { + if (spare_len > attr->spare_size) + goto err; + + fseek(emu->fp, abs_page * full_page_size + attr->page_data_size, SEEK_SET); + nread = fread(spare, 1, spare_len, emu->fp); + + if (nread != spare_len) { + MSGLN("read page spare I/O error ?"); + goto err; + } + dev->st.io_read += nread; + dev->st.spare_read_count++; + } + + if (data == NULL && spare == NULL) { + // read bad block mark + fseek(emu->fp, abs_page * full_page_size + attr->page_data_size + attr->block_status_offs, SEEK_SET); + nread = fread(&status, 1, 1, emu->fp); + + if (nread != 1) { + MSGLN("read badblock mark I/O error ?"); + goto err; + } + dev->st.io_read++; + + return status == 0xFF ? UFFS_FLASH_NO_ERR : UFFS_FLASH_BAD_BLK; + } + + return UFFS_FLASH_NO_ERR; +err: + return UFFS_FLASH_IO_ERR; +} + + +uffs_FlashOps g_femu_ops_ecc_soft = { + femu_InitFlash, // InitFlash() + femu_ReleaseFlash, // ReleaseFlash() + femu_ReadPage, // ReadPage() + NULL, // ReadPageWithLayout + femu_WritePage, // WritePage() + NULL, // WirtePageWithLayout + NULL, // IsBadBlock(), let UFFS take care of it. + NULL, // MarkBadBlock(), let UFFS take care of it. + femu_EraseBlock, // EraseBlock() +}; diff --git a/components/dfs/filesystems/uffs/src/emu/uffs_fileem_share.c b/components/dfs/filesystems/uffs/src/emu/uffs_fileem_share.c new file mode 100644 index 0000000000..99f3b6b257 --- /dev/null +++ b/components/dfs/filesystems/uffs/src/emu/uffs_fileem_share.c @@ -0,0 +1,224 @@ +/* + This file is part of UFFS, the Ultra-low-cost Flash File System. + + Copyright (C) 2005-2009 Ricky Zheng + + UFFS is free software; you can redistribute it and/or modify it under + the GNU Library General Public License as published by the Free Software + Foundation; either version 2 of the License, or (at your option) any + later version. + + UFFS is distributed in the hope that it will be useful, but WITHOUT + ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + or GNU Library General Public License, as applicable, for more details. + + You should have received a copy of the GNU General Public License + and GNU Library General Public License along with UFFS; if not, write + to the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, + Boston, MA 02110-1301, USA. + + As a special exception, if other files instantiate templates or use + macros or inline functions from this file, or you compile this file + and link it with other works to produce a work based on this file, + this file does not by itself cause the resulting work to be covered + by the GNU General Public License. However the source code for this + file must still be made available in accordance with section (3) of + the GNU General Public License v2. + + This exception does not invalidate any other reasons why a work based + on this file might be covered by the GNU General Public License. +*/ + +/** + * \file uffs_fileem_share.c + * \brief emulate uffs file system, shared functions + * \author Ricky Zheng, created Nov, 2010 + */ + + +#include +#include +#include +#include + +#include "uffs/uffs_device.h" +#include "uffs_fileem.h" + +#define PFX "femu: " + +/****************************************************************/ +/* Shared flash driver functions: */ +/* */ +/* femu_InitFlash(), femu_ReleaseFlash(), femu_EraseBlock() */ +/* */ +/****************************************************************/ + +static u8 g_page_buf[UFFS_MAX_PAGE_SIZE + UFFS_MAX_SPARE_SIZE]; + +/* + * Create emulator disk, initialise monitors, inject manufacture bad blocks, etc. + * + */ +int femu_InitFlash(uffs_Device *dev) +{ + int i; + int fSize; + int written; + u8 * p = g_page_buf; + uffs_FileEmu *emu; + + struct uffs_StorageAttrSt *attr = dev->attr; + + int full_page_size = attr->page_data_size + attr->spare_size; + int blk_size = full_page_size * attr->pages_per_block; + int total_pages = attr->total_blocks * attr->pages_per_block; + + emu = (uffs_FileEmu *)(dev->attr->_private); + + if (emu->initCount > 0) { + emu->initCount++; + return 0; + } + + if (emu->emu_filename == NULL) + emu->emu_filename = UFFS_FEMU_FILE_NAME; + + uffs_Perror(UFFS_ERR_NORMAL, "femu device init."); + + emu->em_monitor_page = (u8 *) malloc(total_pages); + if (!emu->em_monitor_page) + return -1; + emu->em_monitor_spare = (u8 *) malloc(total_pages); + if (!emu->em_monitor_spare) + return -1; + + + //clear monitor + memset(emu->em_monitor_page, 0, total_pages); + memset(emu->em_monitor_spare, 0, total_pages); + + emu->fp = fopen(emu->emu_filename, "rb"); + if (emu->fp == NULL) { + emu->fp = fopen(emu->emu_filename, "ab+"); + if (emu->fp == NULL) { + printf(PFX"Failed to create uffs emulation file."); + return -1; + } + + fseek(emu->fp, 0, SEEK_END); + fSize = ftell(emu->fp); + + if (fSize < total_pages * full_page_size) { + printf("Creating uffs emulation file\n"); + fseek(emu->fp, 0, SEEK_SET); + memset(p, 0xff, full_page_size); + for (i = 0; i < total_pages; i++) { + written = fwrite(p, 1, full_page_size, emu->fp); + if (written != full_page_size) { + printf("Write failed\n"); + fclose(emu->fp); + emu->fp = NULL; + return -1; + } + } + } + } + + fflush(emu->fp); + fclose(emu->fp); + + emu->fp = fopen(emu->emu_filename, "rb+"); + if (emu->fp == NULL) { + printf(PFX"Can't open emulation file.\n"); + return -1; + } + + emu->initCount++; + + return 0; +} + +/* + * Release resources + */ +int femu_ReleaseFlash(uffs_Device *dev) +{ + uffs_FileEmu *emu; + + emu = (uffs_FileEmu *)(dev->attr->_private); + + emu->initCount--; + + if (emu->initCount == 0) { + + uffs_Perror(UFFS_ERR_NORMAL, "femu device release."); + + if (emu->fp) { + fclose(emu->fp); + emu->fp = NULL; + } + + if (emu->em_monitor_page) + free(emu->em_monitor_page); + if (emu->em_monitor_spare) + free(emu->em_monitor_spare); + emu->em_monitor_page = NULL; + emu->em_monitor_spare = NULL; + } + + return 0; +} + +int femu_EraseBlock(uffs_Device *dev, u32 blockNumber) +{ + + int i; + u8 * pg = g_page_buf; + int pg_size, pgd_size, sp_size, blks, blk_pgs, blk_size; + uffs_FileEmu *emu; + emu = (uffs_FileEmu *)(dev->attr->_private); + if (!emu || !(emu->fp)) + goto err; + + pg_size = dev->attr->page_data_size + dev->attr->spare_size; + pgd_size = dev->attr->page_data_size; + sp_size = dev->attr->spare_size; + blk_pgs = dev->attr->pages_per_block; + blks = dev->attr->total_blocks; + blk_size = dev->attr->page_data_size * dev->attr->pages_per_block; + + printf("femu: erase block %d\n", blockNumber); + + if ((int)blockNumber >= blks) { + printf("Attempt to erase non-existant block %d\n",blockNumber); + goto err; + } + else { + + //clear this block monitors + memset(emu->em_monitor_page + (blockNumber * blk_pgs), + 0, + blk_pgs * sizeof(u8)); + memset(emu->em_monitor_spare + (blockNumber * blk_pgs), + 0, + blk_pgs * sizeof(u8)); + + memset(pg, 0xff, (pgd_size + sp_size)); + + fseek(emu->fp, blockNumber * blk_pgs * (pgd_size + sp_size), SEEK_SET); + + for (i = 0; i < blk_pgs; i++) { + fwrite(pg, 1, (pgd_size + sp_size), emu->fp); + } + + fflush(emu->fp); + dev->st.block_erase_count++; + } + + return UFFS_FLASH_NO_ERR; +err: + return UFFS_FLASH_IO_ERR; + +} + diff --git a/components/dfs/filesystems/uffs/src/emu/uffs_fileem_wrap.c b/components/dfs/filesystems/uffs/src/emu/uffs_fileem_wrap.c new file mode 100644 index 0000000000..e0891ab9df --- /dev/null +++ b/components/dfs/filesystems/uffs/src/emu/uffs_fileem_wrap.c @@ -0,0 +1,260 @@ +/* + This file is part of UFFS, the Ultra-low-cost Flash File System. + + Copyright (C) 2005-2009 Ricky Zheng + + UFFS is free software; you can redistribute it and/or modify it under + the GNU Library General Public License as published by the Free Software + Foundation; either version 2 of the License, or (at your option) any + later version. + + UFFS is distributed in the hope that it will be useful, but WITHOUT + ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + or GNU Library General Public License, as applicable, for more details. + + You should have received a copy of the GNU General Public License + and GNU Library General Public License along with UFFS; if not, write + to the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, + Boston, MA 02110-1301, USA. + + As a special exception, if other files instantiate templates or use + macros or inline functions from this file, or you compile this file + and link it with other works to produce a work based on this file, + this file does not by itself cause the resulting work to be covered + by the GNU General Public License. However the source code for this + file must still be made available in accordance with section (3) of + the GNU General Public License v2. + + This exception does not invalidate any other reasons why a work based + on this file might be covered by the GNU General Public License. +*/ + +/** + * \file uffs_fileem_wrap.c + * + * \brief file emulator wrapper functions for injecting bad blocks or ECC errors. + * + * \author Ricky Zheng, created Nov, 2010 + */ + +#include +#include +#include +#include + +#include "uffs/uffs_device.h" +#include "uffs_fileem.h" + +#define PFX "femu: " + +#ifdef UFFS_FEMU_ENABLE_INJECTION + +struct uffs_FileEmuBitFlip { + int block; + int page; + int offset; + u8 mask; +}; + +/* simulate bad blocks */ +#define FILEEMU_STOCK_BAD_BLOCKS {5, 18} // bad block come from manufacture +#define FILEEMU_ERASE_BAD_BLOCKS {10, 15} // new bad block discovered when erasing + +/* simulating bit flip */ +#define FILEEMU_WRITE_BIT_FLIP \ + { \ + {2, 2, 10, 1 << 4}, /* block 2, page 2, offset 10, bit 4 */ \ + {2, 4, -3, 1 << 2}, /* block 2, page 4, spare offset 3, bit 2*/ \ + {6, 1, 5, 1 << 3}, /* block 6, page 1, offset 5, bit 3 */ \ + {6, 1, 15, 1 << 7}, /* block 6, page 1, offset 300, bit 7 */ \ + {8, 2, 2, 1 << 1}, /* block 8, page 2, offset 2, bit 1 */ \ + {8, 2, 100, 1 << 5},/* block 8, page 2, offset 100, bit 5 */ \ + } + + +static int femu_InitFlash_wrap(uffs_Device *dev); + +static int femu_ReadPage_wrap(uffs_Device *dev, u32 block, u32 page, u8 *data, int data_len, u8 *ecc, + u8 *spare, int spare_len); +static int femu_WritePage_wrap(uffs_Device *dev, u32 block, u32 page, + const u8 *data, int data_len, const u8 *spare, int spare_len); +static int femu_WritePageWithLayout_wrap(uffs_Device *dev, u32 block, u32 page, const u8* data, int data_len, const u8 *ecc, + const uffs_TagStore *ts); +static int femu_EraseBlock_wrap(uffs_Device *dev, u32 blockNumber); + + +///////////////////////////////////////////////////////////////////////////////// + +void femu_setup_wrapper_functions(uffs_Device *dev) +{ + uffs_FileEmu *emu; + emu = (uffs_FileEmu *)(dev->attr->_private); + + // setup wrap functions, for inject ECC errors, etc. + + memcpy(&emu->ops_orig, dev->ops, sizeof(struct uffs_FlashOpsSt)); + + if (dev->ops->InitFlash) + dev->ops->InitFlash = femu_InitFlash_wrap; + if (dev->ops->EraseBlock) + dev->ops->EraseBlock = femu_EraseBlock_wrap; + if (dev->ops->ReadPage) + dev->ops->ReadPage = femu_ReadPage_wrap; + //if (dev->ops->ReadPageWithLayout) + // dev->ops->ReadPageWithLayout = femu_ReadPageWithLayout_wrap; + if (dev->ops->WritePage) + dev->ops->WritePage = femu_WritePage_wrap; + if (dev->ops->WritePageWithLayout) + dev->ops->WritePageWithLayout = femu_WritePageWithLayout_wrap; +} + +static int femu_InitFlash_wrap(uffs_Device *dev) +{ + int ret; + uffs_FileEmu *emu = (uffs_FileEmu *)(dev->attr->_private); + +#ifdef FILEEMU_STOCK_BAD_BLOCKS + int bad_blocks[] = FILEEMU_STOCK_BAD_BLOCKS; + int j; + u8 x = 0; + struct uffs_StorageAttrSt *attr = dev->attr; + int full_page_size = attr->page_data_size + attr->spare_size; + int blk_size = full_page_size * attr->pages_per_block; +#endif + + if (emu->initCount == 0) { + ret = emu->ops_orig.InitFlash(dev); +#ifdef FILEEMU_STOCK_BAD_BLOCKS + if (ret >= 0) { + for (j = 0; j < ARRAY_SIZE(bad_blocks); j++) { + if (bad_blocks[j] < dev->attr->total_blocks) { + printf(" --- manufacture bad block %d ---\n", bad_blocks[j]); + fseek(emu->fp, bad_blocks[j] * blk_size + attr->page_data_size + dev->attr->block_status_offs, SEEK_SET); + fwrite(&x, 1, 1, emu->fp); + } + } + } +#endif + } + else { + ret = emu->ops_orig.InitFlash(dev); + } + + return ret; +} + +static int femu_ReadPage_wrap(uffs_Device *dev, u32 block, u32 page, u8 *data, int data_len, u8 *ecc, + u8 *spare, int spare_len) +{ + uffs_FileEmu *emu = (uffs_FileEmu *)(dev->attr->_private); + + //printf("femu: Read block %d page %d data %d spare %d\n", block, page, data_len, spare_len); + + return emu->ops_orig.ReadPage(dev, block, page, data, data_len, ecc, spare, spare_len); +} + +////////////////////// wraper functions /////////////////////////// + +static void InjectBitFlip(uffs_Device *dev, u32 block, u32 page) +{ +#ifdef FILEEMU_WRITE_BIT_FLIP + uffs_FileEmu *emu = (uffs_FileEmu *)(dev->attr->_private); + struct uffs_FileEmuBitFlip flips[] = FILEEMU_WRITE_BIT_FLIP; + struct uffs_FileEmuBitFlip *x; + u8 buf[UFFS_MAX_PAGE_SIZE + UFFS_MAX_SPARE_SIZE]; + u8 *data = buf; + u8 *spare = buf + dev->attr->page_data_size; + int full_page_size = dev->attr->page_data_size + dev->attr->spare_size; + int blk_size = full_page_size * dev->attr->pages_per_block; + int page_offset = block * blk_size + full_page_size * page; + + int i; + u8 *p; + + fseek(emu->fp, page_offset, SEEK_SET); + fread(buf, 1, full_page_size, emu->fp); + + p = NULL; + for (i = 0; i < ARRAY_SIZE(flips); i++) { + x = &flips[i]; + if (x->block == block && x->page == page) { + if (x->offset >= 0) { + printf(" --- Inject data bit flip at block%d, page%d, offset%d, mask%d --- \n", block, page, x->offset, x->mask); + p = (u8 *)(data + x->offset); + } + else { + printf(" --- Inject spare bit flip at block%d, page%d, offset%d, mask%d --- \n", block, page, -x->offset, x->mask); + p = (u8 *)(spare - x->offset); + } + *p = (*p & ~x->mask) | (~(*p & x->mask) & x->mask); + } + } + + if (p) { + fseek(emu->fp, page_offset, SEEK_SET); + fwrite(buf, 1, full_page_size, emu->fp); + } +#endif +} + +static int femu_WritePage_wrap(uffs_Device *dev, u32 block, u32 page, + const u8 *data, int data_len, const u8 *spare, int spare_len) +{ + uffs_FileEmu *emu = (uffs_FileEmu *)(dev->attr->_private); + int ret; + + //printf("femu: Write block %d page %d data %d spare %d\n", block, page, data_len, spare_len); + + ret = emu->ops_orig.WritePage(dev, block, page, data, data_len, spare, spare_len); + + InjectBitFlip(dev, block, page); + + return ret; +} + +static int femu_WritePageWithLayout_wrap(uffs_Device *dev, u32 block, u32 page, const u8* data, int data_len, const u8 *ecc, + const uffs_TagStore *ts) +{ + uffs_FileEmu *emu = (uffs_FileEmu *)(dev->attr->_private); + int ret; + + //printf("femu: Write block %d page %d data %d spare %d\n", block, page, data_len, spare_len); + + ret = emu->ops_orig.WritePageWithLayout(dev, block, page, data, data_len, ecc, ts); + + InjectBitFlip(dev, block, page); + + return ret; +} + + +static int femu_EraseBlock_wrap(uffs_Device *dev, u32 blockNumber) +{ + uffs_FileEmu *emu = (uffs_FileEmu *)(dev->attr->_private); + +#ifdef FILEEMU_ERASE_BAD_BLOCKS + int blocks[] = FILEEMU_ERASE_BAD_BLOCKS; + int i; + URET ret; + ret = emu->ops_orig.EraseBlock(dev, blockNumber); + + for (i = 0; i < ARRAY_SIZE(blocks); i++) { + if (blockNumber == blocks[i]) { + printf(" --- Inject bad block%d when erasing --- \n", blockNumber); + ret = UFFS_FLASH_BAD_BLK; + } + } + + return ret; + +#else + + return emu->ops_orig.EraseBlock(dev, blockNumber); + +#endif +} + +#endif // UFFS_FEMU_ENABLE_INJECTION + +///////////////////////////////////////////////////////////////////////////////// diff --git a/components/dfs/filesystems/uffs/src/inc/uffs/uffs_fileem.h b/components/dfs/filesystems/uffs/src/inc/uffs/uffs_fileem.h new file mode 100644 index 0000000000..e9331ce478 --- /dev/null +++ b/components/dfs/filesystems/uffs/src/inc/uffs/uffs_fileem.h @@ -0,0 +1,55 @@ +/* + This file is part of UFFS, the Ultra-low-cost Flash File System. + + Copyright (C) 2005-2009 Ricky Zheng + + UFFS is free software; you can redistribute it and/or modify it under + the GNU Library General Public License as published by the Free Software + Foundation; either version 2 of the License, or (at your option) any + later version. + + UFFS is distributed in the hope that it will be useful, but WITHOUT + ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + or GNU Library General Public License, as applicable, for more details. + + You should have received a copy of the GNU General Public License + and GNU Library General Public License along with UFFS; if not, write + to the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, + Boston, MA 02110-1301, USA. + + As a special exception, if other files instantiate templates or use + macros or inline functions from this file, or you compile this file + and link it with other works to produce a work based on this file, + this file does not by itself cause the resulting work to be covered + by the GNU General Public License. However the source code for this + file must still be made available in accordance with section (3) of + the GNU General Public License v2. + + This exception does not invalidate any other reasons why a work based + on this file might be covered by the GNU General Public License. +*/ + +/** + * \file uffs_fileem.h + * \brief Emulate NAND flash with host file. + * \author Ricky Zheng + */ + +#ifndef _UFFS_FILEEM_H_ +#define _UFFS_FILEEM_H_ + +#include "uffs_device.h" + +typedef struct uffs_FileEmuSt { + int initCount; + FILE *fp; + u8 *em_monitor_page; + u8 * em_monitor_spare; + const char *emu_filename; +} uffs_FileEmu; + +void uffs_fileem_setup_device(uffs_Device *dev); + +#endif + diff --git a/components/dfs/filesystems/uffs/uffs_ext.c b/components/dfs/filesystems/uffs/uffs_ext.c new file mode 100644 index 0000000000..8c5a6578ed --- /dev/null +++ b/components/dfs/filesystems/uffs/uffs_ext.c @@ -0,0 +1,320 @@ +/* + This file is part of UFFS, the Ultra-low-cost Flash File System. + uffs filesystem examples. +*/ +#include + +//#include +#include +#include +#include "uffs/uffs_config.h" +#include "uffs/uffs_public.h" +#include "uffs/uffs_fs.h" +#include "uffs/uffs_utils.h" +#include "uffs/uffs_core.h" +#include "uffs/uffs_mtb.h" +#include "uffs/uffs_find.h" +#include "uffs/uffs_fd.h" +#include "emu/cmdline.h" +#include "uffs_ext.h" + +#include +#include + +#ifdef RT_USING_FINSH +#include +#endif + +#define PFX "exp: " + +#define MAX_PATH_LENGTH 128 + +#if (0) +//uffs¿½±´º¯Êý,²ÎÊýÖ®¼ä¼Ó¿Õ¸ñ +//ÐèÒª´Óelm¿½±´µ½uffsʱ(¿çÎļþϵͳ),²ÎÊýÃû³ÆÇ°¼Ó:: +//ÀýÈçuffs_copy("::/01.hdc /dir1/01.hdc") +//ÉÏÀý´ÓSD¿¨¿½±´Ò»¸öÎļþ01.hdcµ½flashÖÐ, +//Ò²¿ÉÓÃdfsµÄº¯Êý,ÄÇÑù¾Í²»Óÿ¼ÂÇÊÇ·ñ¿çÎļþϵͳÁË. +int uffs_copy(const char *tail) +{ + const char *src; + const char *des; + char buf[100]; + int fd1=-1, fd2=-1; + int len; + int src_local = FALSE, des_local = FALSE; + int fd3=-1, fd4=-1; + + if(!tail) + return FALSE; + + src = cli_getparam(tail, &des); + + if(!des) + return FALSE; + + if(memcmp(src, "::", 2) == 0) + { + src += 2; + src_local = TRUE; + } + if(memcmp(des, "::", 2) == 0) + { + des += 2; + des_local = TRUE; + } + + if(src_local) + { + //if((fp1 = fopen(src, "rb")) == NULL) + if((fd3 = open(src,O_RDONLY,0)) < 0) + { + uffs_Perror(UFFS_ERR_NORMAL, "Can't open %s for copy.", src); + goto fail_ext; + } + } + else + { + if((fd1 = uffs_open(src, UO_RDONLY)) < 0) + { + uffs_Perror(UFFS_ERR_NORMAL, "Can't open %s for copy.", src); + goto fail_ext; + } + } + + if(des_local) + { + if((fd4 = open(des,O_WRONLY | O_CREAT,0)) < 0) + { + uffs_Perror(UFFS_ERR_NORMAL, "Can't open %s for copy.", des); + goto fail_ext; + } + } + else + { + if((fd2 = uffs_open(des, UO_RDWR|UO_CREATE|UO_TRUNC)) < 0) + { + uffs_Perror(UFFS_ERR_NORMAL, "Can't open %s for copy.", des); + goto fail_ext; + } + } + + uffs_Perror(UFFS_ERR_NORMAL, "copy %s to %s... ",src,des); + + while((src_local ? (1) : (uffs_eof(fd1) == 0))) + { + if(src_local) + { + len = read(fd3, buf, sizeof(buf)); + } + else + { + len = uffs_read(fd1, buf, sizeof(buf)); + } + if(len == 0) + break; + if(len < 0) + { + uffs_Perror(UFFS_ERR_NORMAL, "read file %s fail!", src); + break; + } + if(des_local) + { + if(write(fd4, buf, len) != len) + { + uffs_Perror(UFFS_ERR_NORMAL, "write file %s fail!", des); + break; + } + } + else + { + if(uffs_write(fd2, buf, len) != len) + { + uffs_Perror(UFFS_ERR_NORMAL, "write file %s fail ?", des); + break; + } + } + } + uffs_Perror(UFFS_ERR_NORMAL, "succ."); +fail_ext: + if(fd1 > 0) + uffs_close(fd1); + if(fd2 > 0) + uffs_close(fd2); + if(fd3 > 0) + close(fd3); + if(fd4 > 0) + close(fd4); + + return TRUE; +} +FINSH_FUNCTION_EXPORT(uffs_copy, copy files. local file start with ::) +#endif + +//¼ÆËã·¾¶ÏµÄÎļþ(¼Ð)¸öÊý +int CountFileUnder(const char *dir) +{ + int count = 0; + uffs_DIR *dirp; + + dirp = uffs_opendir(dir); + if(dirp) + { + while(uffs_readdir(dirp) != NULL) + count++; + if(dirp != NULL) + uffs_closedir(dirp); + } + return count; +} + +/* + * º¯Êý¹¦ÄÜ: ÁгöÎļþÇåµ¥ + * ÊäÈë²ÎÊý: name:·ÖÇøÃû³Æ + * ·µ»Ø²ÎÊý: ³É¹¦:TRUE,ʧ°Ü:rt_false + */ +int uffs_ls(const char *name) +{ + uffs_DIR *dirp; + struct uffs_dirent *ent; + struct uffs_stat stat_buf; + int count = 0; + char buf[MAX_FILENAME_LENGTH+2]; + char *sub; + + if(name == NULL) + { + return FALSE; + } + + dirp = uffs_opendir(name); //»á»ñµÃÒ»¸öuffs_DIRʵÀý + + if(dirp == NULL) + { + rt_kprintf("Can't open '%s' for list\n", name); + } + else + { + rt_kprintf("%-16s%-8s%-8s%-8s\n","name","type","size","serial"); + rt_kprintf("-----------------------------------------\n"); + ent = uffs_readdir(dirp); + while(ent) + { + rt_kprintf("%-16s", ent->d_name); + strcpy(buf, name); + sub = buf; + if(name[strlen(name)-1] != '/') + sub = strcat(buf, "/"); + sub = strcat(sub, ent->d_name); + + if(ent->d_type & FILE_ATTR_DIR) + { + sub = strcat(sub, "/"); + rt_kprintf("%-8s", ""); + rt_kprintf("%-8d", CountFileUnder(sub)); + } + else + { + uffs_stat(sub, &stat_buf); + rt_kprintf("%-8s", ""); + rt_kprintf("%-8d", stat_buf.st_size); + } + rt_kprintf("%-8d\n", ent->d_ino); + count++; + ent = uffs_readdir(dirp); + } + + if(dirp != NULL) + uffs_closedir(dirp); + + rt_kprintf("Total: %d objects.\n", count); + } + + return TRUE; +} + + +/* + * º¯Êý¹¦ÄÜ: ¸ñʽ»¯·ÖÇø + * ÊäÈë²ÎÊý: ·ÖÇøÃû³Æ + * ·µ»Ø²ÎÊý: + */ +int uffs_format(const char *name) +{ + int ret; + const char *mount = "/"; + uffs_Device *dev; + + if(name) + { + mount = name; + } + + dev = uffs_GetDeviceFromMountPoint(mount); + if(dev == NULL) + { + uffs_Perror(UFFS_ERR_NORMAL, "Can't get device from mount point."); + } + else + { + if(dev->ref_count == 1) + { + ret = uffs_FormatDevice(dev); + uffs_Perror(UFFS_ERR_NORMAL, "Format %s.",ret==RT_EOK?"succ":"fail"); + } + else + { + uffs_Perror(UFFS_ERR_NORMAL, "dev->ref_count: %d, can't format this device.", dev->ref_count); + } + uffs_PutDevice(dev); + } + return TRUE; +} + +/* + * º¯Êý¹¦ÄÜ: ´´½¨Ò»¸öÎļþ + * ÊäÈë²ÎÊý: ÎļþÃû³Æ + * ·µ»Ø²ÎÊý: + */ +int uffs_mkfile(const char *name) +{ + uffs_Object *fp; + int ret = 0; + int err = 0; + + fp = uffs_GetObject(); + + if(fp != NULL) + { + if(uffs_CreateObject(fp, name, UO_CREATE) != U_SUCC) + { + err = fp->err; + ret = -1; + uffs_Perror(UFFS_ERR_NORMAL, "Create %s fail, err: %d", name, uffs_get_error()); + } + else + { + uffs_Perror(UFFS_ERR_NORMAL, "Create %s succ.", name); + uffs_CloseObject(fp); + ret = 0; + } + uffs_PutObject(fp); + } + else + { + err = UEMFILE; + ret = -1; + } + + uffs_set_error(-err); + return ret; +} +#if (0) +#ifdef RT_USING_FINSH +FINSH_FUNCTION_EXPORT(uffs_ls, list uffs system files.) +FINSH_FUNCTION_EXPORT(uffs_mkfile, make uffs system file.) +FINSH_FUNCTION_EXPORT(uffs_mkdir, make uffs system dir.) +FINSH_FUNCTION_EXPORT(uffs_rmdir, remove uffs system dir.) +FINSH_FUNCTION_EXPORT(uffs_format, format uffs partition.) +#endif +#endif diff --git a/components/dfs/filesystems/uffs/uffs_ext.h b/components/dfs/filesystems/uffs/uffs_ext.h new file mode 100644 index 0000000000..22ef33dd0d --- /dev/null +++ b/components/dfs/filesystems/uffs/uffs_ext.h @@ -0,0 +1,11 @@ + +#ifndef __UFFS_EXT_H__ +#define __UFFS_EXT_H__ + +int CountFileUnder(const char *dir); +int uffs_ls(const char *name); +int uffs_format(const char *name); +int uffs_mkfile(const char *name); + +#endif + diff --git a/tools/readme b/tools/readme new file mode 100644 index 0000000000..6c7c837223 --- /dev/null +++ b/tools/readme @@ -0,0 +1,8 @@ +About uffs_demo_win32.exe? +Compile OS: Windows XP SP3 +Compile Tools:Visul C++ 6.0 + +This is a uffs filesystem demo applet. +you can make it ,in accordance with you resource. + Use document : + \uffs\src\emu\*.* \ No newline at end of file diff --git a/tools/uffs.bin b/tools/uffs.bin new file mode 100644 index 0000000000..c9f76a0df0 --- /dev/null +++ b/tools/uffs.bin @@ -0,0 +1 @@ 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