WebSVN – Kolibri OS – Diff – /kernel/branches/flat_kernel/fs/fs_lfn.inc



; 6 : set file/directory attributes structure
; 7 : start application
; 8 : delete file
; 9 : create directory

 
   ;     add     eax, std_application_base_address
; parse file name
        xchg    ebx, eax
        lea     esi, [ebx+20]
        mov     ebp, esi        ; for 'start app' function full path must be known
        lodsb
        test    al, al
        jnz     @f
        mov     esi, [esi]
  ;      add     esi, std_application_base_address
        mov     ebp, esi
        lodsb
@@:
        cmp dword [ebx], 7
        jne @F
        mov edx, [ebx+4]
        mov ebx, [ebx+8]
        test ebx, ebx
        jz .l1
    ;    add ebx, new_app_base
.l1:
        call fs_execute  ; ebp, ebx, edx
        mov [esp+36], eax
        ret

        cmp     dword [ebx], 1
        jnz     .access_denied
        xor     eax, eax
        mov     ebp, [ebx+12]
        mov     edx, [ebx+16]
    ;    add     edx, std_application_base_address
        push    dword [ebx+4]   ; first block
        mov     ebx, [ebx+8]    ; flags
        mov     esi, [edi+4]
; ebx=flags, [esp]=first block, ebp=number of blocks, edx=return area, esi='Next' handler
        mov     edi, edx

.readroot:
; virtual root folder - special handler
        mov     esi, virtual_root_query
        mov     ebp, [ebx+12]
        mov     edx, [ebx+16]
    ;    add     edx, std_application_base_address
        push    dword [ebx+4]   ; first block
        mov     ebx, [ebx+8]    ; flags
        xor     eax, eax
; eax=0, [esp]=first block, ebx=flags, ebp=number of blocks, edx=return area
        mov     edi, edx

        mov     eax, [ebx]
        cmp     eax, fs_NumRamdiskServices
        jae     .not_impl
        mov     ecx, [ebx+12]
        mov     edx, [ebx+16]
   ;     add     edx, std_application_base_address
        add     ebx, 4
        call    dword [fs_RamdiskServices + eax*4]
        mov     [esp+36], eax
        mov     [esp+24], ebx
        ret

        jae     fs_OnRamdisk.not_impl
        call    reserve_flp
        mov     [flp_number], cl
        mov     ecx, [ebx+12]
        mov     edx, [ebx+16]
   ;     add     edx, std_application_base_address
        add     ebx, 4
        call    dword [fs_FloppyServices + eax*4]
        and     [flp_status], 0
        mov     [esp+36], eax
        mov     [esp+24], ebx

        push    ebx esi
        call    choice_necessity_partition_1
        pop     esi ebx
        mov     ecx, [ebx+12]
        mov     edx, [ebx+16]
    ;    add     edx, std_application_base_address
        mov     eax, [ebx]
        cmp     eax, fs_NumHdServices
        jae     .not_impl
        add     ebx, 4
        call    dword [fs_HdServices + eax*4]

        mov     dword [esp+36], 5       ; not found
        ret
@@:
        mov     ecx, [ebx+12]
        mov     edx, [ebx+16]
    ;    add     edx, std_application_base_address
        mov     eax, [ebx]
        cmp     eax,fs_NumCdServices
        jae      .not_impl
        add     ebx, 4
        call    dword [fs_CdServices + eax*4]

Rev 388	Rev 419
Line 83...	Line 83...
83	; 6 : set file/directory attributes structure	83	; 6 : set file/directory attributes structure
84	; 7 : start application	84	; 7 : start application
85	; 8 : delete file	85	; 8 : delete file
86	; 9 : create directory	86	; 9 : create directory
Line 87...	Line 87...
87		87
88	add eax, std_application_base_address	88	; add eax, std_application_base_address
89	; parse file name	89	; parse file name
90	xchg ebx, eax	90	xchg ebx, eax
91	lea esi, [ebx+20]	91	lea esi, [ebx+20]
92	mov ebp, esi ; for 'start app' function full path must be known	92	mov ebp, esi ; for 'start app' function full path must be known
93	lodsb	93	lodsb
94	test al, al	94	test al, al
95	jnz @f	95	jnz @f
96	mov esi, [esi]	96	mov esi, [esi]
97	add esi, std_application_base_address	97	; add esi, std_application_base_address
98	mov ebp, esi	98	mov ebp, esi
99	lodsb	99	lodsb
100	@@:	100	@@:
101	cmp dword [ebx], 7	101	cmp dword [ebx], 7
102	jne @F	102	jne @F
103	mov edx, [ebx+4]	103	mov edx, [ebx+4]
104	mov ebx, [ebx+8]	104	mov ebx, [ebx+8]
105	test ebx, ebx	105	test ebx, ebx
106	jz .l1	106	jz .l1
107	add ebx, new_app_base	107	; add ebx, new_app_base
108	.l1:	108	.l1:
109	call fs_execute ; ebp, ebx, edx	109	call fs_execute ; ebp, ebx, edx
110	mov [esp+36], eax	110	mov [esp+36], eax
111	ret	111	ret
Line 147...	Line 147...
147	cmp dword [ebx], 1	147	cmp dword [ebx], 1
148	jnz .access_denied	148	jnz .access_denied
149	xor eax, eax	149	xor eax, eax
150	mov ebp, [ebx+12]	150	mov ebp, [ebx+12]
151	mov edx, [ebx+16]	151	mov edx, [ebx+16]
152	add edx, std_application_base_address	152	; add edx, std_application_base_address
153	push dword [ebx+4] ; first block	153	push dword [ebx+4] ; first block
154	mov ebx, [ebx+8] ; flags	154	mov ebx, [ebx+8] ; flags
155	mov esi, [edi+4]	155	mov esi, [edi+4]
156	; ebx=flags, [esp]=first block, ebp=number of blocks, edx=return area, esi='Next' handler	156	; ebx=flags, [esp]=first block, ebp=number of blocks, edx=return area, esi='Next' handler
157	mov edi, edx	157	mov edi, edx
Line 229...	Line 229...
229	.readroot:	229	.readroot:
230	; virtual root folder - special handler	230	; virtual root folder - special handler
231	mov esi, virtual_root_query	231	mov esi, virtual_root_query
232	mov ebp, [ebx+12]	232	mov ebp, [ebx+12]
233	mov edx, [ebx+16]	233	mov edx, [ebx+16]
234	add edx, std_application_base_address	234	; add edx, std_application_base_address
235	push dword [ebx+4] ; first block	235	push dword [ebx+4] ; first block
236	mov ebx, [ebx+8] ; flags	236	mov ebx, [ebx+8] ; flags
237	xor eax, eax	237	xor eax, eax
238	; eax=0, [esp]=first block, ebx=flags, ebp=number of blocks, edx=return area	238	; eax=0, [esp]=first block, ebx=flags, ebp=number of blocks, edx=return area
239	mov edi, edx	239	mov edi, edx
Line 338...	Line 338...
338	mov eax, [ebx]	338	mov eax, [ebx]
339	cmp eax, fs_NumRamdiskServices	339	cmp eax, fs_NumRamdiskServices
340	jae .not_impl	340	jae .not_impl
341	mov ecx, [ebx+12]	341	mov ecx, [ebx+12]
342	mov edx, [ebx+16]	342	mov edx, [ebx+16]
343	add edx, std_application_base_address	343	; add edx, std_application_base_address
344	add ebx, 4	344	add ebx, 4
345	call dword [fs_RamdiskServices + eax*4]	345	call dword [fs_RamdiskServices + eax*4]
346	mov [esp+36], eax	346	mov [esp+36], eax
347	mov [esp+24], ebx	347	mov [esp+24], ebx
348	ret	348	ret
Line 375...	Line 375...
375	jae fs_OnRamdisk.not_impl	375	jae fs_OnRamdisk.not_impl
376	call reserve_flp	376	call reserve_flp
377	mov [flp_number], cl	377	mov [flp_number], cl
378	mov ecx, [ebx+12]	378	mov ecx, [ebx+12]
379	mov edx, [ebx+16]	379	mov edx, [ebx+16]
380	add edx, std_application_base_address	380	; add edx, std_application_base_address
381	add ebx, 4	381	add ebx, 4
382	call dword [fs_FloppyServices + eax*4]	382	call dword [fs_FloppyServices + eax*4]
383	and [flp_status], 0	383	and [flp_status], 0
384	mov [esp+36], eax	384	mov [esp+36], eax
385	mov [esp+24], ebx	385	mov [esp+24], ebx
Line 439...	Line 439...
439	push ebx esi	439	push ebx esi
440	call choice_necessity_partition_1	440	call choice_necessity_partition_1
441	pop esi ebx	441	pop esi ebx
442	mov ecx, [ebx+12]	442	mov ecx, [ebx+12]
443	mov edx, [ebx+16]	443	mov edx, [ebx+16]
444	add edx, std_application_base_address	444	; add edx, std_application_base_address
445	mov eax, [ebx]	445	mov eax, [ebx]
446	cmp eax, fs_NumHdServices	446	cmp eax, fs_NumHdServices
447	jae .not_impl	447	jae .not_impl
448	add ebx, 4	448	add ebx, 4
449	call dword [fs_HdServices + eax*4]	449	call dword [fs_HdServices + eax*4]
Line 515...	Line 515...
515	mov dword [esp+36], 5 ; not found	515	mov dword [esp+36], 5 ; not found
516	ret	516	ret
517	@@:	517	@@:
518	mov ecx, [ebx+12]	518	mov ecx, [ebx+12]
519	mov edx, [ebx+16]	519	mov edx, [ebx+16]
520	add edx, std_application_base_address	520	; add edx, std_application_base_address
521	mov eax, [ebx]	521	mov eax, [ebx]
522	cmp eax,fs_NumCdServices	522	cmp eax,fs_NumCdServices
523	jae .not_impl	523	jae .not_impl
524	add ebx, 4	524	add ebx, 4
525	call dword [fs_CdServices + eax*4]	525	call dword [fs_CdServices + eax*4]

Subversion Repositories Kolibri OS

(root)/kernel/branches/flat_kernel/fs/fs_lfn.inc – Rev 388 → 419