| 25,6 → 25,114 |
|---|
| image_of_eax EQU esp+32 |
| image_of_ebx EQU esp+20 |
| |
| ; fs api for drivers |
| struct FileSystem |
| Next dd ? |
| Prev dd ? |
| Creat_part dd ? ; %FSNAME%_create_partition |
| UserFuncs dd ? ; for fs_del |
| Name rd 16 ;ascii string + \n |
| ends |
| |
| |
| fs_list: |
| dd fs_list |
| dd fs_list |
| ;.look: dd 0 |
| |
| ; IN: ecx = %FSNAME%_create_partition |
| ; edx = ptr to UserFuncs |
| ; [esp] = fs name |
| ;OUT: eax = list item |
| fs_add: |
| push ecx edx |
| ; add in fs_list |
| mov eax, sizeof.FileSystem |
| call malloc |
| pop edx ecx |
| test eax, eax |
| jz .err |
| |
| mov [eax + FileSystem.Creat_part], ecx |
| mov [eax + FileSystem.UserFuncs], edx |
| mov edx, [esp + 4] |
| mov [eax + FileSystem.Name], edx |
| mov edx, eax |
| |
| cli ; DELETE |
| list_add_tail edx, fs_list |
| sti ; DELETE |
| mov edx, ecx ; save function |
| |
| ;DEBUGF 1, 'K : FS: find partition\n' |
| ; check all disks |
| mov esi, [disk_list] |
| .new_disk: |
| cmp dword[esi], disk_list |
| jz .end |
| |
| push edx |
| mov eax, [esi + DISK.MediaInfo.SectorSize] |
| shl eax, 2 |
| stdcall kernel_alloc, eax ;get buffer |
| test eax, eax |
| pop edx |
| jz .end ; no memory |
| mov ebx, eax |
| |
| mov ecx, [esi + DISK.NumPartitions] |
| dec ecx |
| shl ecx, 2 ; to dword |
| add ecx, [esi + DISK.Partitions] |
| @@: |
| mov ebp, [ecx] |
| cmp [ebp + PARTITION.FSUserFunctions], default_fs_functions |
| jnz .no_fs |
| |
| ;DEBUGF 1, 'K : FS: found partition\n' |
| push ecx edx |
| |
| xor eax, eax ; first sector of the partition |
| call fs_read32_sys |
| push eax |
| ;DEBUGF 1, 'K : FS: call driver func = %x\n', edx |
| |
| call edx ; creat_partition |
| add esp, 4 |
| ;DEBUGF 1, 'K : FS: end call\n' |
| pop edx ecx |
| |
| test eax, eax |
| jz .no_fs |
| ; save and delete old struct |
| xchg [ecx], eax |
| push ecx edx |
| call free |
| pop edx ecx |
| ;DEBUGF 1, 'K : FS: set fs for partition\n' |
| .no_fs: |
| ;sub ecx, 4 |
| cmp ecx, [esi + DISK.Partitions] |
| lea ecx, [ecx - 4] |
| jnz @b |
| |
| push edx |
| stdcall kernel_free, ebx |
| pop edx |
| |
| mov esi, [esi] |
| jmp .new_disk |
| .end: |
| .err: |
| ret |
| ; IN: ecx = list item |
| ;OUT: - |
| ;fs_del: |
| ; |
| ; ret |
| |
| |
| |
| ; System function 70 security check |
| align 4 |
| proc file_system_is_operation_safe stdcall, inf_struct_ptr: dword |