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Rev 5363 Rev 6464
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;; Copyright (C) KolibriOS team 2011-2015. All rights reserved. ;;
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;; Copyright (C) KolibriOS team 2011-2015. All rights reserved. ;;
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;; Distributed under terms of the GNU General Public License    ;;
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;; Distributed under terms of the GNU General Public License    ;;
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;;                                                              ;;
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;;                                                              ;;
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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$Revision: 5363 $
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$Revision: 6464 $
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 9 
 
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; =============================================================================
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; =============================================================================
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; ================================= Constants =================================
 11 
; ================================= Constants =================================
Line 1142... Line 1142...
1142 
@@:
 1142 
@@:
1143 
; 11c. Let the procedure from fs_lfn.inc do the job.
 1143 
; 11c. Let the procedure from fs_lfn.inc do the job.
1144 
        jmp     file_system_lfn.maindir_noesi
 1144 
        jmp     file_system_lfn.maindir_noesi
1145 
.haspartition:
 1145 
.haspartition:
1146 
; 12. The fs operation has specified some partition.
 1146 
; 12. The fs operation has specified some partition.
1147 
; 12a. Store parameters for callback functions.
 - 
 
1148 
        push    edx
 1147 
        push    edx
1149 
        push    ecx
 1148 
        push    ecx
- 
 
 1149 
        xor     eax, eax
- 
 
 1150 
        lodsb
- 
 
 1151 
        sub     eax, '0'
1150 
; 12b. Store callback functions.
 1152 
        jz      .dyndisk_cleanup
- 
 
 1153 
        cmp     eax, 10
- 
 
 1154 
        jnc     .dyndisk_cleanup
- 
 
 1155 
        mov     ecx, eax
- 
 
 1156 
        lodsb
- 
 
 1157 
        cmp     eax, '/'
- 
 
 1158 
        jz      @f
- 
 
 1159 
        test    eax, eax
1151 
        push    dyndisk_cleanup
 1160 
        jnz     .dyndisk_cleanup
- 
 
 1161 
        dec     esi
- 
 
 1162 
@@:
- 
 
 1163 
        cmp     byte [esi], 0
- 
 
 1164 
        jnz     @f
- 
 
 1165 
        test    ebp, ebp
- 
 
 1166 
        jz      @f
- 
 
 1167 
        mov     esi, ebp
- 
 
 1168 
        xor     ebp, ebp
- 
 
 1169 
@@:
1152 
        push    fs_dyndisk
 1170 
        jmp     fs_dyndisk
- 
 
 1171 
 
- 
 
 1172 
.dyndisk_cleanup:
- 
 
 1173 
        pop     esi
1153 
        mov     edi, esp
 1174 
        pop     edx
1154 
; 12c. Let the procedure from fs_lfn.inc do the job.
 1175 
        mov     dword [esp+32], ERROR_FILE_NOT_FOUND
1155 
        jmp     file_system_lfn.found2
 1176 
        jmp     .cleanup_esi
- 
 
 1177 
 
1156 
.access_denied:
 1178 
.access_denied:
1157 
; 13. Fail the operation with the appropriate code.
 1179 
; 13. Fail the operation with the appropriate code.
1158 
        mov     dword [esp+32], ERROR_ACCESS_DENIED
 1180 
        mov     dword [esp+32], ERROR_ACCESS_DENIED
1159 
.cleanup:
 1181 
.cleanup:
1160 
; 14. Cleanup.
 1182 
; 14. Cleanup.
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1166 
@@:
 1188 
@@:
1167 
        call    disk_dereference
 1189 
        call    disk_dereference
1168 
; 15. Return.
 1190 
; 15. Return.
1169 
        ret
 1191 
        ret
Line 1170... Line -...
1170 
 
 - 
 
1171 
; This is a callback for cleaning up things called from file_system_lfn.found2.
 - 
 
1172 
dyndisk_cleanup:
 - 
 
1173 
        mov     esi, [edi+8]
 - 
 
1174 
        mov     edx, [edi+12]
 - 
 
1175 
        jmp     dyndisk_handler.cleanup_esi
 - 
 
1176 
 
 1192 
 
1177 
; This is a callback for enumerating partitions called from
 1193 
; This is a callback for enumerating partitions called from
1178 
; file_system_lfn.maindir in the case of inserted media.
 1194 
; file_system_lfn.maindir in the case of inserted media.
1179 
; It just increments eax until DISK.NumPartitions reached and then
 1195 
; It just increments eax until DISK.NumPartitions reached and then
1180 
; cleans up.
 1196 
; cleans up.
- 
 
 1197 
fs_dyndisk_next:
1181 
fs_dyndisk_next:
 1198 
        mov     ecx, [esp+8]
1182 
        cmp     eax, [ecx+DISK.NumPartitions]
 1199 
        cmp     eax, [ecx+DISK.NumPartitions]
1183 
        jae     .nomore
 1200 
        jae     .nomore
1184 
        inc     eax
 1201 
        inc     eax
1185 
        clc
 1202 
        clc
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1201 
        jae     .nomore
 1218 
        jae     .nomore
1202 
        inc     eax
 1219 
        inc     eax
1203 
        clc
 1220 
        clc
1204 
        ret
 1221 
        ret
1205 
.nomore:
 1222 
.nomore:
- 
 
 1223 
        mov     ecx, [esp+8]
1206 
        pusha
 1224 
        pusha
1207 
        mov     esi, ecx
 1225 
        mov     esi, ecx
1208 
        call    disk_dereference
 1226 
        call    disk_dereference
1209 
        popa
 1227 
        popa
1210 
        stc
 1228 
        stc
1211 
        ret
 1229 
        ret
Line 1212... Line -...
1212 
 
 - 
 
1213 
; This is a callback for doing real work with selected partition.
 - 
 
1214 
; Currently this is just placeholder, since no file systems are supported.
 1230 
 
1215 
; edi = esp -> {dd fs_dyndisk, dd dyndisk_cleanup, dd pointer to DISK, dd media object}
 1231 
; esp -> {dd pointer to DISK, dd media object}
1216 
; ecx = partition number, esi+ebp = ASCIIZ name
 1232 
; ecx = partition number, esi+ebp = ASCIIZ name
1217 
fs_dyndisk:
 1233 
fs_dyndisk:
1218 
        dec     ecx     ; convert to zero-based partition index
 1234 
        dec     ecx     ; convert to zero-based partition index
1219 
        pop     edx edx edx ; edx = pointer to DISK, dword [esp] = NULL or edx
 1235 
        pop     edx     ; edx = pointer to DISK, dword [esp] = NULL or edx
1220 
; If the driver does not support insert notifications and we are the only fs
 1236 
; If the driver does not support insert notifications and we are the only fs
1221 
; operation with this disk, ask the driver whether the media
 1237 
; operation with this disk, ask the driver whether the media
1222 
; was inserted/removed/changed. Otherwise, assume that media status is valid.
 1238 
; was inserted/removed/changed. Otherwise, assume that media status is valid.
1223 
        test    byte [edx+DISK.DriverFlags], DISK_NO_INSERT_NOTIFICATION
 1239 
        test    byte [edx+DISK.DriverFlags], DISK_NO_INSERT_NOTIFICATION