| 1144,15 → 1144,37 |
|---|
| jmp file_system_lfn.maindir_noesi |
| .haspartition: |
| ; 12. The fs operation has specified some partition. |
| ; 12a. Store parameters for callback functions. |
| push edx |
| push ecx |
| ; 12b. Store callback functions. |
| push dyndisk_cleanup |
| push fs_dyndisk |
| mov edi, esp |
| ; 12c. Let the procedure from fs_lfn.inc do the job. |
| jmp file_system_lfn.found2 |
| xor eax, eax |
| lodsb |
| sub eax, '0' |
| jz .dyndisk_cleanup |
| cmp eax, 10 |
| jnc .dyndisk_cleanup |
| mov ecx, eax |
| lodsb |
| cmp eax, '/' |
| jz @f |
| test eax, eax |
| jnz .dyndisk_cleanup |
| dec esi |
| @@: |
| cmp byte [esi], 0 |
| jnz @f |
| test ebp, ebp |
| jz @f |
| mov esi, ebp |
| xor ebp, ebp |
| @@: |
| jmp fs_dyndisk |
| |
| .dyndisk_cleanup: |
| pop esi |
| pop edx |
| mov dword [esp+32], ERROR_FILE_NOT_FOUND |
| jmp .cleanup_esi |
| |
| .access_denied: |
| ; 13. Fail the operation with the appropriate code. |
| mov dword [esp+32], ERROR_ACCESS_DENIED |
| 1168,17 → 1190,12 |
|---|
| ; 15. Return. |
| ret |
| |
| ; This is a callback for cleaning up things called from file_system_lfn.found2. |
| dyndisk_cleanup: |
| mov esi, [edi+8] |
| mov edx, [edi+12] |
| jmp dyndisk_handler.cleanup_esi |
| |
| ; This is a callback for enumerating partitions called from |
| ; file_system_lfn.maindir in the case of inserted media. |
| ; It just increments eax until DISK.NumPartitions reached and then |
| ; cleans up. |
| fs_dyndisk_next: |
| mov ecx, [esp+8] |
| cmp eax, [ecx+DISK.NumPartitions] |
| jae .nomore |
| inc eax |
| 1203,6 → 1220,7 |
|---|
| clc |
| ret |
| .nomore: |
| mov ecx, [esp+8] |
| pusha |
| mov esi, ecx |
| call disk_dereference |
| 1210,13 → 1228,11 |
|---|
| stc |
| ret |
| |
| ; This is a callback for doing real work with selected partition. |
| ; Currently this is just placeholder, since no file systems are supported. |
| ; edi = esp -> {dd fs_dyndisk, dd dyndisk_cleanup, dd pointer to DISK, dd media object} |
| ; esp -> {dd pointer to DISK, dd media object} |
| ; ecx = partition number, esi+ebp = ASCIIZ name |
| fs_dyndisk: |
| dec ecx ; convert to zero-based partition index |
| pop edx edx edx ; edx = pointer to DISK, dword [esp] = NULL or edx |
| pop edx ; edx = pointer to DISK, dword [esp] = NULL or edx |
| ; If the driver does not support insert notifications and we are the only fs |
| ; operation with this disk, ask the driver whether the media |
| ; was inserted/removed/changed. Otherwise, assume that media status is valid. |