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image creation patterns

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This commit is contained in:
david 2009-05-25 17:59:02 +02:00
parent ce5d1de968
commit a6aade11c4
5 changed files with 93 additions and 28 deletions
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59
tools/ffsample/linux/Makefile
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@ -1,7 +1,8 @@
bin = fftest bin = fftest
src = ff.c main.c diskio.c src = ff.c main.c diskio.c
#cc950.c
objs=$(src:.c=.o) objs=$(src:.c=.o)
@ -15,4 +16,58 @@ $(bin): $(objs)
clean: clean:
rm $(bin) *.o rm -rf $(bin) *.o
image32:
dd if=/dev/zero of=disk00.vfat bs=1M count=64
sudo mkfs.vfat -F 32 -v disk00.vfat
image_parted:
dd if=/dev/zero of=disk00.vfat bs=1M count=256
fdisk -H 32 -S 32 -C 500 disk00.vfat
# create one partion
sudo losetup -o 16384 /dev/loop0 disk00.vfat
sudo mkfs.vfat -F 32 -v /dev/loop0
sudo mount /dev/loop0 disk
sudo cp -v /var/log/*log disk/
sudo ls -al disk
sudo umount disk
sudo losetup -d /dev/loop0
image_not_parted:
dd if=/dev/zero of=disk00.vfat bs=1M count=256
fdisk -H 32 -S 32 -C 500 disk00.vfat
# no one partion
sudo losetup /dev/loop0 disk00.vfat
sudo mkfs.vfat -f 2 -F 16 -v /dev/loop0
sudo mount /dev/loop0 disk
sudo cp /var/log/*log disk/
sudo umount disk
sudo losetup -d /dev/loop0
image_no_fdisk:
dd if=/dev/zero of=disk00.vfat bs=1M count=256
sudo mkfs.vfat -I -f 2 -F 16 -v disk00.vfat
sudo mount -o loop disk00.vfat disk
sudo cp /var/log/*log disk/
sudo umount disk
image_no_dd:
rm -fv disk00.vfat
mkfs.vfat -F 32 -v -C disk00.vfat 256000
sudo mount -o loop,check=s disk00.vfat disk
sudo cp -v /var/log/*log disk/
sudo umount disk
mount:
sudo losetup /dev/loop0 disk00.vfat
sudo mount /dev/loop0 disk
umount:
sudo umount disk
sudo losetup -d /dev/loop0

52
tools/ffsample/linux/diskio.c
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@ -6,29 +6,39 @@ static volatile
DSTATUS Stat = STA_NOINIT; /* Disk status */ DSTATUS Stat = STA_NOINIT; /* Disk status */
/* /*
[david@slap]Transfer/ffsample/linux % sudo mkfs.vfat -F 32 -v disk00.vfat [941]
sudo losetup /dev/loop0 disk00.vfat
sudo mkfs.vfat -f 2 -F 16 -v /dev/loop0
mkfs.vfat 2.11 (12 Mar 2005) mkfs.vfat 2.11 (12 Mar 2005)
disk00.vfat has 64 heads and 32 sectors per track, Loop device does not match a floppy size, using default hd params
/dev/loop0 has 64 heads and 32 sectors per track,
logical sector size is 512, logical sector size is 512,
using 0xf8 media descriptor, with 8192 sectors; using 0xf8 media descriptor, with 524288 sectors;
file system has 2 32-bit FATs and 1 sector per cluster. file system has 2 16-bit FATs and 8 sectors per cluster.
FAT size is 63 sectors, and provides 8034 clusters. FAT size is 256 sectors, and provides 65467 clusters.
Volume ID is 4a1424ec, no volume label.
filesize 4194304
*/
/*
mkfs.vfat 3.0.1 (23 Nov 2008)
disk00.vfat has 64 heads and 32 sectors per track,
logical sector size is 512,
using 0xf8 media descriptor, with 8192 sectors;
file system has 2 12-bit FATs and 4 sectors per cluster.
FAT size is 6 sectors, and provides 2036 clusters.
Root directory contains 512 slots. Root directory contains 512 slots.
Volume ID is 7b45fab8, no volume label. Volume ID is 4a1aab3d, no volume label.
FAT type = 2
Bytes/Cluster = 4096
Number of FATs = 2
Root DIR entries = 512
Sectors/FAT = 256
Number of clusters = 65467
FAT start (lba) = 1
DIR start (lba,clustor) = 513
Data start (lba) = 545
Ok
disk_read: sector=513 count=1 addr=0xa8009800 size=512
scan_files ret
0 files, 0 bytes.
0 folders.
261868 KB total disk space.
147456 KB available.
*/ */
/* Interface /* Interface
@ -67,7 +77,7 @@ return 1 byte
#include <sys/mman.h> #include <sys/mman.h>
#define IMAGE_NAME "disk01.vfat" #define IMAGE_NAME "disk00.vfat"
int *image_addr; int *image_addr;

8
tools/ffsample/linux/ff.h
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@ -25,7 +25,7 @@
#ifndef _FATFS #ifndef _FATFS
#define _FATFS #define _FATFS
#define _WORD_ACCESS 0 #define _WORD_ACCESS 1
/* The _WORD_ACCESS option defines which access method is used to the word /* The _WORD_ACCESS option defines which access method is used to the word
/ data in the FAT structure. / data in the FAT structure.
/ /
@ -54,13 +54,13 @@
/ 3: f_lseek is removed in addition to level 2. */ / 3: f_lseek is removed in addition to level 2. */
#define _FS_TINY 1 #define _FS_TINY 0
/* When _FS_TINY is set to 1, FatFs uses the sector buffer in the file system /* When _FS_TINY is set to 1, FatFs uses the sector buffer in the file system
/ object instead of the sector buffer in the individual file object for file / object instead of the sector buffer in the individual file object for file
/ data transfer. This reduces memory consumption 512 bytes each file object. */ / data transfer. This reduces memory consumption 512 bytes each file object. */
#define _USE_STRFUNC 0 #define _USE_STRFUNC 1
/* To enable string functions, set _USE_STRFUNC to 1 or 2. */ /* To enable string functions, set _USE_STRFUNC to 1 or 2. */
@ -87,7 +87,7 @@
/ each volume is tied to the partitions listed in Drives[]. */ / each volume is tied to the partitions listed in Drives[]. */
#define _CODE_PAGE 858 #define _CODE_PAGE 850
/* The _CODE_PAGE specifies the OEM code page to be used on the target system. /* The _CODE_PAGE specifies the OEM code page to be used on the target system.
/ When it is non LFN configuration, there is no difference between SBCS code / When it is non LFN configuration, there is no difference between SBCS code
/ pages. When LFN is enabled, the code page must always be set correctly. / pages. When LFN is enabled, the code page must always be set correctly.

BIN
tools/ffsample/linux/fftest
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2
tools/ffsample/linux/main.c
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@ -104,7 +104,7 @@ void get_line (char *buff, int len)
buff[idx++] = c; buff[idx++] = c;
} }
} }
printf("return %s\n",buff); //printf("return %s\n",buff);
buff[idx] = 0; buff[idx] = 0;
} }