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$ ls -la /lib/modules/`uname -r`/kernel/drivers/char/tpm
×Ü¼Æ 100
drwxr-xr-x 2 root root 4096 02-03 21:47 .
drwxr-xr-x 7 root root 4096 02-03 21:47 ..
-rwxr--r-- 1 root root 9812 01-21 15:27 tpm_atmel.ko
-rwxr--r-- 1 root root 11128 01-21 15:27 tpm_bios.ko
-rwxr--r-- 1 root root 15860 01-21 15:27 tpm_infineon.ko
-rwxr--r-- 1 root root 19184 01-21 15:27 tpm.ko
-rwxr--r-- 1 root root 10796 01-21 15:27 tpm_nsc.ko
-rwxr--r-- 1 root root 16516 01-21 15:27 tpm_tis.ko
tpm_tisÄ£¿é¿ÉÒÔÍêȫʹÓÃTPM1.2¡£ÐèÒªÕâ¸öÄ£¿é£¬Ã»µÄ»°¿ÉÄÜÐèÒªÖØбàÒëеÄÄںˡ£
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$ sudo modprobe tpm_bios
$ sudo modprobe tpm
$ sudo modprobe tpm_tis force=1 interrupts=0
$ dmesg
...
[xxx.yyy] tpm_tis tpm_tis: 1.2 TPM (device-id 0x4A10, rev-id 78)
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$ sudo /etc/init.d/tcsd start
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asmlinkage long get_files_info(char * filesystem_type)//È¡µÃµ±Ç°Ä¿Â¼µÄÎļþϵͳÐÅÏ¢
{
struct fs_struct *fs ;
struct vfsmount *mnt ;
struct super_block *mnt_sb ;
struct file_system_type *s_type;
read_lock(¤t->fs->lock);
fs = current->fs;
mnt = fs->pwdmnt;
mnt_sb = mnt-> mnt_sb ;
s_type = mnt_sb -> s_type;

printk("PWD Filesystem Type is : %s\n",s_type->name);
copy_to_user(filesystem_type,s_type->name,strlen(s_type->name));

printk("PWD= %ld\n",mnt_sb->s_blocksize);

read_unlock(¤t->fs->lock);
return 0;
}







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