Subversion Repositories Kolibri OS

Rev

Rev 6428 | Rev 6468 | Go to most recent revision | Show entire file | Regard whitespace | Details | Blame | Last modification | View Log | RSS feed

Rev 6428 Rev 6462
Line 1... Line 1...
1 
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
 1 
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
2 
;;                                                              ;;
 2 
;;                                                              ;;
3 
;; Copyright (C) KolibriOS team 2004-2016. All rights reserved. ;;
 3 
;; Copyright (C) KolibriOS team 2004-2016. All rights reserved. ;;
4 
;; Distributed under terms of the GNU General Public License    ;;
 4 
;;  Distributed under terms of the GNU General Public License.  ;;
5 
;;                                                              ;;
 5 
;;                                                              ;;
6 
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
 6 
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
Line 7... Line 7...
7 
 
 7 
 
Line -... Line 8...
- 
 
 8 
$Revision: 6462 $
- 
 
 9 
 
- 
 
 10 
; NTFS external functions
8 
$Revision: 6428 $
 11 
;   in:
- 
 
 12 
; ebx -> parameter structure of sysfunc 70
- 
 
 13 
; ebp -> NTFS structure
- 
 
 14 
; [esi]+[[esp+4]] = name
- 
 
 15 
;   out:
- 
 
 16 
; eax, ebx = return values for sysfunc 70
- 
 
 17 
iglobal
- 
 
 18 
align 4
- 
 
 19 
ntfs_user_functions:
- 
 
 20 
        dd      ntfs_free
- 
 
 21 
        dd      (ntfs_user_functions_end - ntfs_user_functions - 4) / 4
- 
 
 22 
        dd      ntfs_ReadFile
- 
 
 23 
        dd      ntfs_ReadFolder
- 
 
 24 
        dd      ntfs_CreateFile
- 
 
 25 
        dd      ntfs_WriteFile
- 
 
 26 
        dd      ntfs_SetFileEnd
- 
 
 27 
        dd      ntfs_GetFileInfo
- 
 
 28 
        dd      ntfs_SetFileInfo
- 
 
 29 
        dd      0
- 
 
 30 
        dd      ntfs_Delete
- 
 
 31 
        dd      ntfs_CreateFolder
Line 9... Line 32...
9 
 
 32 
ntfs_user_functions_end:
10 
; NTFS driver
 33 
endg
11 
 
 34 
 
12 
; Basic concepts:
 35 
; Basic concepts:
Line 93... Line 116...
93 
fileNameLength = 50h
 116 
fileNameLength = 50h
94 
namespace = 51h
 117 
namespace = 51h
95 
fileName = 52h
 118 
fileName = 52h
Line 96... Line 119...
96 
 
 119 
 
97 
struct NTFS PARTITION
 120 
struct NTFS PARTITION
98 
Lock            MUTEX   ?   ; Currently operations with one partition
 121 
Lock                MUTEX   ; Currently operations with one partition
99 
; can not be executed in parallel since the legacy code is not ready.
 122 
; can not be executed in parallel since the legacy code is not ready.
100 
sectors_per_cluster dd  ?
 123 
sectors_per_cluster dd  ?
101 
mft_cluster         dd  ?   ; location
 124 
mft_cluster         dd  ?   ; location
102 
mftmirr_cluster     dd  ?   ; location
 125 
mftmirr_cluster     dd  ?   ; location
Line 149... Line 172...
149 
attrlist_buf        rb  1024
 172 
attrlist_buf        rb  1024
150 
attrlist_mft_buf    rb  1024
 173 
attrlist_mft_buf    rb  1024
151 
bitmap_buf          rb  1024
 174 
bitmap_buf          rb  1024
152 
ends
 175 
ends
Line 153... Line -...
153 
 
 - 
 
154 
; NTFS external functions
 - 
 
155 
;   in:
 - 
 
156 
; ebx -> parameter structure of sysfunc 70
 - 
 
157 
; ebp -> NTFS structure
 - 
 
158 
; [esi]+[esp+4] = name
 - 
 
159 
;   out:
 - 
 
160 
; eax, ebx = return values for sysfunc 70
 - 
 
161 
iglobal
 - 
 
162 
align 4
 - 
 
163 
ntfs_user_functions:
 - 
 
164 
        dd      ntfs_free
 - 
 
165 
        dd      (ntfs_user_functions_end - ntfs_user_functions - 4) / 4
 - 
 
166 
        dd      ntfs_ReadFile
 - 
 
167 
        dd      ntfs_ReadFolder
 - 
 
168 
        dd      ntfs_CreateFile
 - 
 
169 
        dd      ntfs_WriteFile
 - 
 
170 
        dd      ntfs_SetFileEnd
 - 
 
171 
        dd      ntfs_GetFileInfo
 - 
 
172 
        dd      ntfs_SetFileInfo
 - 
 
173 
        dd      0
 - 
 
174 
        dd      ntfs_Delete
 - 
 
175 
        dd      ntfs_CreateFolder
 - 
 
176 
ntfs_user_functions_end:
 - 
 
177 
endg
 - 
 
178 
 
 176 
 
179 
ntfs_test_bootsec:
 177 
ntfs_test_bootsec:
180 
; in: ebx -> buffer, edx = size of partition
 178 
; in: ebx -> buffer, edx = size of partition
181 
; out: CF=1 -> invalid
 179 
; out: CF=1 -> invalid
182 
; 1. Name=='NTFS    '
 180 
; 1. Name=='NTFS    '
Line 256... Line 254...
256 
        ret
 254 
        ret
257 
.no:        ; No, this bootsector isn't NTFS
 255 
.no:        ; No, this bootsector isn't NTFS
258 
        stc
 256 
        stc
259 
        ret
 257 
        ret
Line -... Line 258...
- 
 
 258 
 
260 
 
 259 
; Mount if it's a valid NTFS partition.
- 
 
 260 
ntfs_create_partition:
- 
 
 261 
;   in:
- 
 
 262 
; ebp -> PARTITION structure
- 
 
 263 
; ebx -> boot sector
- 
 
 264 
; ebx+512 -> buffer
- 
 
 265 
;   out:
261 
ntfs_create_partition:
 266 
; eax -> NTFS structure, 0 = not NTFS
262 
        cmp     dword [esi+DISK.MediaInfo.SectorSize], 512
 267 
        cmp     dword [esi+DISK.MediaInfo.SectorSize], 512
263 
        jnz     .nope
 268 
        jnz     .nope
264 
        mov     edx, dword [ebp+PARTITION.Length]
 269 
        mov     edx, dword [ebp+PARTITION.Length]
265 
        cmp     dword [esp+4], 0
 270 
        cmp     dword [esp+4], 0
Line 1682... Line 1687...
1682 
        mov     eax, [edx+4]
 1687 
        mov     eax, [edx+4]
1683 
        mov     [edi+4], eax
 1688 
        mov     [edi+4], eax
1684 
        mov     eax, 0x10
 1689 
        mov     eax, 0x10
1685 
        stosd
 1690 
        stosd
1686 
        scasd
 1691 
        scasd
1687 
        push    edx
 1692 
        push    ebx ecx edx
1688 
        mov     eax, dword [ebp+NTFS.bitmap_buf]
 1693 
        mov     eax, dword [ebp+NTFS.bitmap_buf]
1689 
        mov     edx, dword [ebp+NTFS.bitmap_buf+4]
 1694 
        mov     edx, dword [ebp+NTFS.bitmap_buf+4]
1690 
        call    ntfs_datetime_to_bdfe
 1695 
        call    ntfs_datetime_to_bdfe
1691 
        mov     eax, dword [ebp+NTFS.bitmap_buf+0x18]
 1696 
        mov     eax, dword [ebp+NTFS.bitmap_buf+0x18]
1692 
        mov     edx, dword [ebp+NTFS.bitmap_buf+0x1C]
 1697 
        mov     edx, dword [ebp+NTFS.bitmap_buf+0x1C]
1693 
        call    ntfs_datetime_to_bdfe
 1698 
        call    ntfs_datetime_to_bdfe
1694 
        mov     eax, dword [ebp+NTFS.bitmap_buf+8]
 1699 
        mov     eax, dword [ebp+NTFS.bitmap_buf+8]
1695 
        mov     edx, dword [ebp+NTFS.bitmap_buf+0xC]
 1700 
        mov     edx, dword [ebp+NTFS.bitmap_buf+0xC]
1696 
        call    ntfs_datetime_to_bdfe
 1701 
        call    ntfs_datetime_to_bdfe
1697 
        pop     edx
 1702 
        pop     edx ecx ebx
1698 
        xor     eax, eax
 1703 
        xor     eax, eax
1699 
        stosd
 1704 
        stosd
1700 
        stosd
 1705 
        stosd
1701 
        mov     al, '.'
 1706 
        mov     al, '.'
1702 
        push    edi ecx
 1707 
        push    edi ecx
Line 1776... Line 1781...
1776 
        and     eax, not 0x10000000
 1781 
        and     eax, not 0x10000000
1777 
        or      al, 0x10
 1782 
        or      al, 0x10
1778 
@@:
 1783 
@@:
1779 
        stosd
 1784 
        stosd
1780 
        scasd
 1785 
        scasd
1781 
        push    edx
 1786 
        push    ebx ecx edx
1782 
        mov     eax, [esi+fileCreated]
 1787 
        mov     eax, [esi+fileCreated]
1783 
        mov     edx, [esi+fileCreated+4]
 1788 
        mov     edx, [esi+fileCreated+4]
1784 
        call    ntfs_datetime_to_bdfe
 1789 
        call    ntfs_datetime_to_bdfe
1785 
        mov     eax, [esi+fileAccessed]
 1790 
        mov     eax, [esi+fileAccessed]
1786 
        mov     edx, [esi+fileAccessed+4]
 1791 
        mov     edx, [esi+fileAccessed+4]
1787 
        call    ntfs_datetime_to_bdfe
 1792 
        call    ntfs_datetime_to_bdfe
1788 
        mov     eax, [esi+fileModified]
 1793 
        mov     eax, [esi+fileModified]
1789 
        mov     edx, [esi+fileModified+4]
 1794 
        mov     edx, [esi+fileModified+4]
1790 
        call    ntfs_datetime_to_bdfe
 1795 
        call    ntfs_datetime_to_bdfe
1791 
        pop     edx
 1796 
        pop     edx ecx ebx
1792 
        mov     eax, [esi+fileRealSize]
 1797 
        mov     eax, [esi+fileRealSize]
1793 
        stosd
 1798 
        stosd
1794 
        mov     eax, [esi+fileRealSize+4]
 1799 
        mov     eax, [esi+fileRealSize+4]
1795 
        stosd
 1800 
        stosd
1796 
        ret
 1801 
        ret
Line 1797... Line -...
1797 
 
 - 
 
1798 
iglobal
 - 
 
1799 
months  db  31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31
 - 
 
1800 
months2 db  31, 29, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31
 - 
 
1801 
endg
 - 
 
1802 
 
 1802 
 
1803 
ntfs_datetime_to_bdfe:
 1803 
ntfs_datetime_to_bdfe:
1804 
; edx:eax = number of 100-nanosecond intervals since January 1, 1601, in UTC
 1804 
; in: edx:eax = seconds since 01.01.1601 x10000000
1805 
        push    ebx ecx
 1805 
; edi -> data block
1806 
        mov     ebx, eax
 1806 
; out: edi = edi+8
1807 
        mov     eax, edx
 1807 
        sub     eax, 3365781504
1808 
        xor     edx, edx
 1808 
        sbb     edx, 29389701
1809 
        mov     ecx, 10000000
 - 
 
1810 
        div     ecx
 - 
 
1811 
        xchg    eax, ebx
 - 
 
1812 
        div     ecx
 - 
 
1813 
.forEXT:
 - 
 
1814 
        xchg    eax, ebx
 1809 
        mov     ecx, 10000000
1815 
        xor     edx, edx
 - 
 
1816 
        mov     ecx, 60
 - 
 
1817 
        div     ecx
 - 
 
1818 
        xchg    eax, ebx
 1810 
        cmp     edx, ecx
1819 
        div     ecx
 - 
 
1820 
        mov     [edi], dl
 - 
 
1821 
        mov     edx, ebx
 - 
 
1822 
; edx:eax = number of minutes
 - 
 
1823 
        div     ecx
 - 
 
1824 
        mov     [edi+1], dl
 - 
 
1825 
; eax = number of hours
 - 
 
1826 
        xor     edx, edx
 - 
 
1827 
        mov     cl, 24
 - 
 
1828 
        div     ecx
 - 
 
1829 
        mov     [edi+2], dx
 - 
 
1830 
; eax = number of days since January 1, 1601
 1811 
        jc      @f
1831 
        xor     edx, edx
 - 
 
1832 
        mov     cx, 365
 - 
 
1833 
        div     ecx
 - 
 
1834 
        mov     ebx, eax
 - 
 
1835 
        add     ebx, 1601
 - 
 
1836 
        shr     eax, 2
 - 
 
1837 
        sub     edx, eax
 - 
 
1838 
        mov     cl, 25
 - 
 
1839 
        div     cl
 - 
 
1840 
        xor     ah, ah
 - 
 
1841 
        add     edx, eax
 - 
 
1842 
        shr     eax, 2
 - 
 
1843 
        sub     edx, eax
 - 
 
1844 
        jns     @f
 - 
 
1845 
        dec     ebx
 - 
 
1846 
        add     edx, 365
 - 
 
1847 
        test    bl, 3
 - 
 
1848 
        jnz     @f
 - 
 
1849 
        inc     edx
 1812 
        xor     edx, edx
1850 
@@:
 - 
 
1851 
        xor     eax, eax
 - 
 
1852 
        mov     ecx, months-1
 - 
 
1853 
        test    bl, 3
 - 
 
1854 
        jnz     @f
 - 
 
1855 
        add     ecx, 12
 - 
 
1856 
@@:
 1813 
@@:
1857 
        inc     ecx
 - 
 
1858 
        inc     eax
 - 
 
1859 
        sub     dl, [ecx]
 - 
 
1860 
        jnc     @b
 - 
 
1861 
        dec     dh
 - 
 
1862 
        jns     @b
 - 
 
1863 
        add     dl, [ecx]
 - 
 
1864 
        inc     edx
 - 
 
1865 
        mov     [edi+4], dl
 - 
 
1866 
        mov     [edi+5], al
 - 
 
1867 
        mov     [edi+6], bx
 - 
 
1868 
        add     edi, 8
 - 
 
1869 
        pop     ecx ebx
 - 
 
1870 
        ret
 - 
 
1871 
 
 - 
 
1872 
.sec:
 - 
 
1873 
        push    ebx ecx
 - 
 
1874 
        mov     ebx, edx
 1814 
        div     ecx
Line 1875... Line 1815...
1875 
        jmp     .forEXT
 1815 
        jmp     fsTime2bdfe
1876 
 
 1816 
 
1877 
;----------------------------------------------------------------
 1817 
;----------------------------------------------------------------
1878 
ntfs_GetFileInfo:
 1818 
ntfs_GetFileInfo:
Line 4177... Line 4117...
4177 
        mov     edx, [ebp+NTFS.nodeLastRead]
 4117 
        mov     edx, [ebp+NTFS.nodeLastRead]
4178 
        call    writeRecord     ; directory
 4118 
        call    writeRecord     ; directory
4179 
        call    ntfsSpaceClean
 4119 
        call    ntfsSpaceClean
4180 
        jmp     ntfsDone
 4120 
        jmp     ntfsDone
Line 4181... Line -...
4181 
 
 - 
 
4182 
ntfsReadCMOS:
 - 
 
4183 
        out     70h, al
 - 
 
4184 
        in      al, 71h
 - 
 
4185 
        xor     ah, ah
 - 
 
4186 
        shl     ax, 4
 - 
 
4187 
        shr     al, 4
 - 
 
4188 
        aad
 - 
 
4189 
        ret
 - 
 
4190 
 
 4121 
 
4191 
ntfsGetTime:
 - 
 
4192 
        mov     al, 7
 4122 
ntfsGetTime:
4193 
        call    ntfsReadCMOS
 - 
 
4194 
        ror     eax, 8
 - 
 
4195 
        mov     al, 8
 - 
 
4196 
        call    ntfsReadCMOS
 - 
 
4197 
        ror     eax, 8
 - 
 
4198 
        mov     al, 9
 - 
 
4199 
        call    ntfsReadCMOS
 - 
 
4200 
        add     eax, 2000
 - 
 
4201 
        ror     eax, 16
 4123 
        call    fsGetTime
4202 
        push    eax
 - 
 
4203 
        xor     eax, eax
 - 
 
4204 
        call    ntfsReadCMOS
 - 
 
4205 
        ror     eax, 8
 - 
 
4206 
        mov     al, 2
 - 
 
4207 
        call    ntfsReadCMOS
 - 
 
4208 
        ror     eax, 8
 - 
 
4209 
        mov     al, 4
 - 
 
4210 
        call    ntfsReadCMOS
 - 
 
4211 
        ror     eax, 16
 - 
 
4212 
        push    eax
 - 
 
4213 
        mov     esi, esp
 - 
 
- 
 
 4124 
        jmp     @f
4214 
        add     esp, 8
 4125 
 
4215 
ntfsCalculateTime:
 4126 
ntfsCalculateTime:
4216 
; in: esi -> data block
 4127 
; in: esi -> data block
4217 
; out: edx:eax = time
 - 
 
4218 
        movzx   eax, word [esi+6]
 - 
 
4219 
        sub     eax, 2001
 - 
 
4220 
        jnc     @f
 - 
 
4221 
        xor     eax, eax
 - 
 
4222 
@@:
 - 
 
4223 
        mov     edx, months
 - 
 
4224 
        mov     ebx, eax
 - 
 
4225 
        inc     eax
 - 
 
4226 
        test    eax, 3
 - 
 
4227 
        jnz     @f
 - 
 
4228 
        add     edx, 12
 - 
 
4229 
@@:
 - 
 
4230 
        movzx   eax, byte [esi+5]
 - 
 
4231 
        dec     eax
 - 
 
4232 
        xor     ecx, ecx
 - 
 
4233 
@@:
 - 
 
4234 
        dec     eax
 - 
 
4235 
        js      @f
 4128 
; out: edx:eax = seconds since 01.01.1601 x10000000
4236 
        add     cl, [edx+eax]
 - 
 
4237 
        adc     ch, 0
 - 
 
4238 
        jmp     @b
 4129 
        call    fsCalculateTime
4239 
@@:
 - 
 
4240 
        mov     eax, ebx
 4130 
@@:
4241 
        mov     edx, 365
 - 
 
4242 
        mul     edx
 - 
 
4243 
        shr     ebx, 2
 - 
 
4244 
        add     eax, ebx
 - 
 
4245 
        add     eax, ecx
 - 
 
4246 
        mov     bl, [esi+4]
 - 
 
4247 
        add     eax, ebx
 - 
 
4248 
        add     eax, 400*365+100-4
 - 
 
4249 
        mov     dl, 24
 4131 
        mov     edx, 10000000
4250 
        mul     edx
 - 
 
4251 
        mov     bl, [esi+2]
 4132 
        mul     edx
4252 
        add     eax, ebx
 - 
 
4253 
        mov     ecx, 60
 - 
 
4254 
        mul     ecx
 - 
 
4255 
        mov     bl, [esi+1]
 - 
 
4256 
        add     eax, ebx
 - 
 
4257 
        mul     ecx
 - 
 
4258 
        mov     bl, [esi]
 - 
 
4259 
        add     ebx, eax
 - 
 
4260 
        mov     eax, edx
 - 
 
4261 
        mov     ecx, 10000000
 - 
 
4262 
        mul     ecx
 - 
 
4263 
        xchg    eax, ebx
 - 
 
4264 
        mul     ecx
 4133 
        add     eax, 3365781504
4265 
        add     edx, ebx
 4134 
        adc     edx, 29389701
Line 4266... Line 4135...
4266 
        ret
 4135 
        ret
4267 
 
 4136 
 
4268 
;----------------------------------------------------------------
 4137 
;----------------------------------------------------------------