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Regard whitespace Rev 584 → Rev 585

/kernel/trunk/blkdev/cd_drv.inc
16,7 → 16,6
; äàííûõ èç ñåêòîðà êîìïàêò-äèñêà
; Àâòîð òåêñòà ïðîãðàììû Êóëàêîâ Âëàäèìèð Ãåííàäüåâè÷.
 
 
; Ìàêñèìàëüíîå êîëè÷åñòâî ïîâòîðåíèé îïåðàöèè ÷òåíèÿ
MaxRetr equ 10
; Ïðåäåëüíîå âðåìÿ îæèäàíèÿ ãîòîâíîñòè ê ïðèåìó êîìàíäû
68,8 → 67,72
;* Ìíîãîêðàòíîå ïîâòîðåíèå ÷òåíèÿ ïðè ñáîÿõ *
;********************************************
ReadCDWRetr:
;-----------------------------------------------------------
; input : eax = block to read
; ebx = destination
;-----------------------------------------------------------
pushad
mov eax,[CDSectorAddress]
mov ebx,[CDDataBuf_pointer]
call cd_calculate_cache
add esi,8
mov edi,1
.hdreadcache:
; push esi
; mov esi,[esi]
; call test_mario79
; mov esi,eax
; call test_mario79
; pop esi
; cmp dword [esi+4],0 ; empty
; je .nohdcache
cmp [esi],eax ; correct sector
je .yeshdcache
.nohdcache:
add esi,8
inc edi
dec ecx
jnz .hdreadcache
call find_empty_slot_CD_cache ; ret in edi
 
push edi
push eax
call cd_calculate_cache_2
shl edi,11
add edi,eax
mov [CDDataBuf_pointer],edi
pop eax
pop edi
 
call ReadCDWRetr_1
mov [CDDataBuf_pointer],ebx
call cd_calculate_cache_1
lea esi,[edi*8+esi]
; push esi
; call test_mario79
; mov esi,eax
; call test_mario79
; pop esi
mov [esi],eax ; sector number
; mov dword [esi+4],1 ; hd read - mark as same as in hd
.yeshdcache:
mov esi,edi
shl esi,11 ;9
push eax
call cd_calculate_cache_2
add esi,eax
pop eax
mov edi,ebx ;[CDDataBuf_pointer]
mov ecx,512 ;/4
cld
rep movsd ; move data
popad
ret
 
ReadCDWRetr_1:
pushad
 
; Öèêë, ïîêà êîìàíäà íå âûïîëíåíà óñïåøíî èëè íå
; èñ÷åðïàíî êîëè÷åñòâî ïîïûòîê
mov ECX,MaxRetr
517,8 → 580,47
popa
ret
 
;*************************************************
;* ÇÀÏÐÅÒÈÒÜ ÑÌÅÍÓ ÄÈÑÊÀ *
;* Âõîäíûå ïàðàìåòðû ïåðåäàþòñÿ ÷åðåç ãëîáàëüíûå *
;* ïåðìåííûå: *
;* ChannelNumber - íîìåð êàíàëà; *
;* DiskNumber - íîìåð äèñêà íà êàíàëå. *
;*************************************************
prevent_medium_removal:
pusha
; Î÷èñòèòü áóôåð ïàêåòíîé êîìàíäû
call clear_packet_buffer
; Çàäàòü êîä êîìàíäû
mov [PacketCommand],byte 0x1E
; Çàäàòü êîä çàïðåòà
mov [PacketCommand+4],byte 11b
; Ïîäàòü êîìàíäó
call SendPacketNoDatCommand
popa
ret
;*************************************************
;* ÐÀÇÐÅØÈÒÜ ÑÌÅÍÓ ÄÈÑÊÀ *
;* Âõîäíûå ïàðàìåòðû ïåðåäàþòñÿ ÷åðåç ãëîáàëüíûå *
;* ïåðìåííûå: *
;* ChannelNumber - íîìåð êàíàëà; *
;* DiskNumber - íîìåð äèñêà íà êàíàëå. *
;*************************************************
allow_medium_removal:
pusha
; Î÷èñòèòü áóôåð ïàêåòíîé êîìàíäû
call clear_packet_buffer
; Çàäàòü êîä êîìàíäû
mov [PacketCommand],byte 0x1E
; Çàäàòü êîä çàïðåòà
mov [PacketCommand+4],byte 00b
; Ïîäàòü êîìàíäó
call SendPacketNoDatCommand
popa
ret
 
;*************************************************
;* ÇÀÃÐÓÇÈÒÜ ÍÎÑÈÒÅËÜ Â ÄÈÑÊÎÂÎÄ *
;* Âõîäíûå ïàðàìåòðû ïåðåäàþòñÿ ÷åðåç ãëîáàëüíûå *
;* ïåðìåííûå: *
546,7 → 648,7
;* ChannelNumber - íîìåð êàíàëà; *
;* DiskNumber - íîìåð äèñêà íà êàíàëå. *
;*************************************************
UnloadMedium:
EjectMedium:
pusha
; Î÷èñòèòü áóôåð ïàêåòíîé êîìàíäû
call clear_packet_buffer
/kernel/trunk/blkdev/ide_cache.inc
21,27 → 21,18
push eax ecx edx esi edi
 
; write difference ( 2 ) from cache to hd
 
; mov ecx,cache_max
; mov esi,HD_CACHE+8
call calculate_cache
add esi,8
mov edi,1
 
write_cache_more:
 
cmp dword [esi+4],2 ; if cache slot is not different
jne .write_chain
 
mov dword [esi+4],1 ; same as in hd
mov eax,[esi] ; eax = sector to write
 
cmp eax,[PARTITION_START]
jb danger
cmp eax,[PARTITION_END]
ja danger
 
; DMA write is permitted only if [allow_dma_access]=1
cmp [allow_dma_access], 2
jae .nodma
78,10 → 69,8
call cache_write_pio
.write_chain:
call flush_cache_chain
 
.continue:
danger:
 
add esi,8
inc edi
dec ecx
98,8 → 87,7
mov [cache_chain_started], 0
@@:
ret
 
;--------------------------------------------------------------------
align 4
find_empty_slot:
;-----------------------------------------------------------
109,32 → 97,14
; push ecx esi
 
search_again:
 
; mov ecx,cache_max*10/100
; mov edi,[cache_search_start]
call calculate_cache_3
; push eax edx
; mov eax,ecx
; mov ecx,10
; xor edx,edx
; div ecx
; mov ecx,eax
; pop edx eax
shr ecx,3
search_for_empty:
 
inc edi
; cmp edi,cache_max
; push eax
call calculate_cache_4
; cmp edi,eax
; pop eax
jbe inside_cache
mov edi,1
 
inside_cache:
 
; cmp dword [edi*8+HD_CACHE+4],2 ; get cache slot info
push esi
call calculate_cache_1
cmp dword [edi*8+esi+4],2
142,34 → 112,20
jb found_slot ; it's empty or read
dec ecx
jnz search_for_empty
 
call write_cache ; no empty slots found, write all
cmp [hd_error],0
jne found_slot_access_denied
 
jmp search_again ; and start again
 
found_slot:
 
; mov [cache_search_start],edi
call calculate_cache_5
found_slot_access_denied:
ret
 
;--------------------------------------------------------------------
align 4
clear_hd_cache:
; push eax ecx edi
; mov edi, HD_CACHE
; mov ecx,16384
; xor eax,eax
; cld
; rep stosd ; clear hd cache with 0
; mov [cache_search_start],eax
mov [fat_in_cache],-1
mov [fat_change],0
; pop edi ecx eax
ret
;--------------------------------------------------------------------
align 4
calculate_cache:
448,10 → 404,352
.ide3_appl_data:
mov [cache_ide3_appl_search_start],edi
ret
 
;--------------------------------------------------------------------
align 4
calculate_linear_to_real:
shr eax, 12
mov eax, [page_tabs+eax*4]
and eax, 0xFFFFF000
find_empty_slot_CD_cache:
;-----------------------------------------------------------
; find empty or read slot, flush cache if next 10% is used by write
; output : edi = cache slot
;-----------------------------------------------------------
.search_again:
call cd_calculate_cache_3
.search_for_empty:
inc edi
call cd_calculate_cache_4
jbe .inside_cache
mov edi,1
.inside_cache:
call cd_calculate_cache_5
ret
;--------------------------------------------------------------------
clear_CD_cache:
pusha
.ide0:
xor eax,eax
cmp [cdpos],1
jne .ide1
mov [cache_ide0_search_start],eax
mov ecx,[cache_ide0_system_sad_size]
mov edi,[cache_ide0_pointer]
call .clear
mov [cache_ide0_appl_search_start],eax
mov ecx,[cache_ide0_appl_sad_size]
mov edi,[cache_ide0_data_pointer]
jmp .continue
.ide1:
cmp [cdpos],2
jne .ide2
mov [cache_ide1_search_start],eax
mov ecx,[cache_ide1_system_sad_size]
mov edi,[cache_ide1_pointer]
call .clear
mov [cache_ide1_appl_search_start],eax
mov ecx,[cache_ide1_appl_sad_size]
mov edi,[cache_ide1_data_pointer]
jmp .continue
.ide2:
cmp [cdpos],3
jne .ide3
mov [cache_ide2_search_start],eax
mov ecx,[cache_ide2_system_sad_size]
mov edi,[cache_ide2_pointer]
call .clear
mov [cache_ide2_appl_search_start],eax
mov ecx,[cache_ide2_appl_sad_size]
mov edi,[cache_ide2_data_pointer]
jmp .continue
.ide3:
mov [cache_ide3_search_start],eax
mov ecx,[cache_ide3_system_sad_size]
mov edi,[cache_ide3_pointer]
call .clear
mov [cache_ide3_appl_search_start],eax
mov ecx,[cache_ide3_appl_sad_size]
mov edi,[cache_ide3_data_pointer]
.continue:
call .clear
popa
ret
.clear:
shl ecx,1
cld
rep stosd
ret
;--------------------------------------------------------------------
align 4
cd_calculate_cache:
; mov ecx,cache_max ; entries in cache
; mov esi,HD_CACHE+8
 
; 1 - IDE0 ... 4 - IDE3
.ide0:
cmp [cdpos],1
jne .ide1
cmp [cd_appl_data],0
jne .ide0_appl_data
mov ecx,[cache_ide0_system_sad_size]
mov esi,[cache_ide0_pointer]
ret
.ide0_appl_data:
mov ecx,[cache_ide0_appl_sad_size]
mov esi,[cache_ide0_data_pointer]
ret
.ide1:
cmp [cdpos],2
jne .ide2
cmp [cd_appl_data],0
jne .ide1_appl_data
mov ecx,[cache_ide1_system_sad_size]
mov esi,[cache_ide1_pointer]
ret
.ide1_appl_data:
mov ecx,[cache_ide1_appl_sad_size]
mov esi,[cache_ide1_data_pointer]
ret
.ide2:
cmp [cdpos],3
jne .ide3
cmp [cd_appl_data],0
jne .ide2_appl_data
mov ecx,[cache_ide2_system_sad_size]
mov esi,[cache_ide2_pointer]
ret
.ide2_appl_data:
mov ecx,[cache_ide2_appl_sad_size]
mov esi,[cache_ide2_data_pointer]
ret
.ide3:
cmp [cd_appl_data],0
jne .ide3_appl_data
mov ecx,[cache_ide3_system_sad_size]
mov esi,[cache_ide3_pointer]
ret
.ide3_appl_data:
mov ecx,[cache_ide3_appl_sad_size]
mov esi,[cache_ide3_data_pointer]
ret
;--------------------------------------------------------------------
align 4
cd_calculate_cache_1:
; lea esi,[edi*8+HD_CACHE]
; 1 - IDE0 ... 4 - IDE3
.ide0:
cmp [cdpos],1
jne .ide1
cmp [cd_appl_data],0
jne .ide0_appl_data
mov esi,[cache_ide0_pointer]
ret
.ide0_appl_data:
mov esi,[cache_ide0_data_pointer]
ret
.ide1:
cmp [cdpos],2
jne .ide2
cmp [cd_appl_data],0
jne .ide1_appl_data
mov esi,[cache_ide1_pointer]
ret
.ide1_appl_data:
mov esi,[cache_ide1_data_pointer]
ret
.ide2:
cmp [cdpos],3
jne .ide3
cmp [cd_appl_data],0
jne .ide2_appl_data
mov esi,[cache_ide2_pointer]
ret
.ide2_appl_data:
mov esi,[cache_ide2_data_pointer]
ret
.ide3:
cmp [cd_appl_data],0
jne .ide3_appl_data
mov esi,[cache_ide3_pointer]
ret
.ide3_appl_data:
mov esi,[cache_ide3_data_pointer]
ret
;--------------------------------------------------------------------
align 4
cd_calculate_cache_2:
; add esi,HD_CACHE+65536
; 1 - IDE0 ... 4 - IDE3
.ide0:
cmp [cdpos],1
jne .ide1
cmp [cd_appl_data],0
jne .ide0_appl_data
mov eax,[cache_ide0_system_data]
ret
.ide0_appl_data:
mov eax,[cache_ide0_appl_data]
ret
.ide1:
cmp [cdpos],2
jne .ide2
cmp [cd_appl_data],0
jne .ide1_appl_data
mov eax,[cache_ide1_system_data]
ret
.ide1_appl_data:
mov eax,[cache_ide1_appl_data]
ret
.ide2:
cmp [cdpos],3
jne .ide3
cmp [cd_appl_data],0
jne .ide2_appl_data
mov eax,[cache_ide2_system_data]
ret
.ide2_appl_data:
mov eax,[cache_ide2_appl_data]
ret
.ide3:
cmp [cd_appl_data],0
jne .ide3_appl_data
mov eax,[cache_ide3_system_data]
ret
.ide3_appl_data:
mov eax,[cache_ide3_appl_data]
ret
;--------------------------------------------------------------------
align 4
cd_calculate_cache_3:
; mov ecx,cache_max*10/100
; mov edi,[cache_search_start]
 
; 1 - IDE0 ... 4 - IDE3
.ide0:
cmp [cdpos],1
jne .ide1
cmp [cd_appl_data],0
jne .ide0_appl_data
mov edi,[cache_ide0_search_start]
ret
.ide0_appl_data:
mov edi,[cache_ide0_appl_search_start]
ret
.ide1:
cmp [cdpos],2
jne .ide2
cmp [cd_appl_data],0
jne .ide1_appl_data
mov edi,[cache_ide1_search_start]
ret
.ide1_appl_data:
mov edi,[cache_ide1_appl_search_start]
ret
.ide2:
cmp [cdpos],3
jne .ide3
cmp [cd_appl_data],0
jne .ide2_appl_data
mov edi,[cache_ide2_search_start]
ret
.ide2_appl_data:
mov edi,[cache_ide2_appl_search_start]
ret
.ide3:
cmp [cd_appl_data],0
jne .ide3_appl_data
mov edi,[cache_ide3_search_start]
ret
.ide3_appl_data:
mov edi,[cache_ide3_appl_search_start]
ret
;--------------------------------------------------------------------
align 4
cd_calculate_cache_4:
; cmp edi,cache_max
; 1 - IDE0 ... 4 - IDE3
.ide0:
cmp [cdpos],1
jne .ide1
cmp [cd_appl_data],0
jne .ide0_appl_data
cmp edi,[cache_ide0_system_sad_size]
ret
.ide0_appl_data:
cmp edi,[cache_ide0_appl_sad_size]
ret
.ide1:
cmp [cdpos],2
jne .ide2
cmp [cd_appl_data],0
jne .ide1_appl_data
cmp edi,[cache_ide1_system_sad_size]
ret
.ide1_appl_data:
cmp edi,[cache_ide1_appl_sad_size]
ret
.ide2:
cmp [cdpos],3
jne .ide3
cmp [cd_appl_data],0
jne .ide2_appl_data
cmp edi,[cache_ide2_system_sad_size]
ret
.ide2_appl_data:
cmp edi,[cache_ide2_appl_sad_size]
ret
.ide3:
cmp [cd_appl_data],0
jne .ide3_appl_data
cmp edi,[cache_ide3_system_sad_size]
ret
.ide3_appl_data:
cmp edi,[cache_ide3_appl_sad_size]
ret
;--------------------------------------------------------------------
align 4
cd_calculate_cache_5:
; mov [cache_search_start],edi
; 1 - IDE0 ... 4 - IDE3
.ide0:
cmp [cdpos],1
jne .ide1
cmp [cd_appl_data],0
jne .ide0_appl_data
mov [cache_ide0_search_start],edi
ret
.ide0_appl_data:
mov [cache_ide0_appl_search_start],edi
ret
.ide1:
cmp [cdpos],2
jne .ide2
cmp [cd_appl_data],0
jne .ide1_appl_data
mov [cache_ide1_search_start],edi
ret
.ide1_appl_data:
mov [cache_ide1_appl_search_start],edi
ret
.ide2:
cmp [cdpos],3
jne .ide3
cmp [cd_appl_data],0
jne .ide2_appl_data
mov [cache_ide2_search_start],edi
ret
.ide2_appl_data:
mov [cache_ide2_appl_search_start],edi
ret
.ide3:
cmp [cd_appl_data],0
jne .ide3_appl_data
mov [cache_ide3_search_start],edi
ret
.ide3_appl_data:
mov [cache_ide3_appl_search_start],edi
ret
;--------------------------------------------------------------------
;align 4
;calculate_linear_to_real:
; shr eax, 12
; mov eax, [page_tabs+eax*4]
; and eax, 0xFFFFF000
; ret
/kernel/trunk/data32.inc
306,6 → 306,7
hdid rd 1
hdpos rd 1 ; for boot 0x1
fat32part rd 1 ; for boot 0x1
cdpos rd 1
 
sb16 rd 1
 
387,6 → 388,7
 
debug_step_pointer rd 1
hdd_appl_data rb 1 ; 0 = system cache, 1 - application cache
cd_appl_data rb 1 ; 0 = system cache, 1 - application cache
 
lba_read_enabled rd 1 ; 0 = disabled , 1 = enabled
pci_access_enabled rd 1 ; 0 = disabled , 1 = enabled
/kernel/trunk/detect/getcache.inc
44,6 → 44,7
mov [cache_ide3_search_start],eax
mov [cache_ide3_appl_search_start],eax
mov [hdd_appl_data],1 ;al
mov [cd_appl_data],1
mov cl,[DRIVE_DATA+1]
mov ch,cl
/kernel/trunk/docs/sysfuncr.txt
4114,6 → 4114,10
„«ï CD-¯à¨¢®¤®¢ ¢ á¢ï§¨ á  ¯¯ à â­ë¬¨ ®£à ­¨ç¥­¨ï¬¨ ¤®áâ㯭ë
⮫쪮 ¯®¤ä㭪樨 0,1,5 ¨ 7, ¢ë§®¢ ¤àã£¨å ¯®¤ä㭪権 § ¢¥àè¨âáï
®è¨¡ª®© á ª®¤®¬ 2.
à¨ ¯¥à¢®¬ ®¡à é¥­¨¨ ¯®¤ä㭪権 0,1,5,7 ª ãáâனá⢠¬ ATAPI (CD ¨ DVD)
¯à®¨§¢®¤¨âáï ¡«®ª¨à®¢ª  àãç­®£® ã¯à ¢«¥­¨ï ¬¥å ­¨§¬®¬ «®âª . â® á¢ï§ ­®
á  «£®à¨â¬®¬ ªíè¨à®¢ ­¨ï ¤ ­­ëå ¯®«ã祭­ëå ®â ¯à¨¢®¤ .  §¡«®ª¨à®¢ª 
¯à®¨§¢®¤¨âáï ®¡à é¥­¨¥¬ ¯®¤ä㭪樥© 10 ª ᮮ⢥âáâ¢ãî饬ã ãáâனáâ¢ã.
 
======================================================================
= ”ã­ªæ¨ï 70, ¯®¤äã­ªæ¨ï 0 - ç⥭¨¥ ä ©«  á ¯®¤¤¥à¦ª®© ¤«¨­­ëå ¨¬ñ­. =
4474,6 → 4478,66
* …᫨ ¯ ¯ª  㦥 áãé¥áâ¢ã¥â, äã­ªæ¨ï § ¢¥àè¨âáï ãᯥ譮 (eax=0).
 
======================================================================
========== ”ã­ªæ¨ï 70, ¯®¤äã­ªæ¨ï 10 - ¨§¢«¥çì «®â®ª ¯à¨¢®¤  ¤¨áª . ============
======================================================================
 à ¬¥âàë:
* eax = 70 - ­®¬¥à ä㭪樨
* ebx = 㪠§ â¥«ì ­  ¨­ä®à¬ æ¨®­­ãî áâàãªâãàã
”®à¬ â ¨­ä®à¬ æ¨®­­®© áâàãªâãàë:
* +0: dword: 10 = ­®¬¥à ¯®¤ä㭪樨
* +4: dword: 0 (§ à¥§¥à¢¨à®¢ ­®)
* +8: dword: 0 (§ à¥§¥à¢¨à®¢ ­®)
* +12 = +0xC: dword: 0 (§ à¥§¥à¢¨à®¢ ­®)
* +16 = +0x10: dword: 0 (§ à¥§¥à¢¨à®¢ ­®)
* +20 = +0x14: ASCIIZ-¨¬ï ¯ ¯ª¨, ¯à ¢¨«  ä®à¬¨à®¢ ­¨ï ¨¬ñ­ 㪠§ ­ë ¢
®¡é¥¬ ®¯¨á ­¨¨
¨«¨
* +20 = +0x14: db 0
* +21 = +0x15: dd 㪠§ â¥«ì ­  ASCIIZ-áâபã á ¨¬¥­¥¬ ¯ ¯ª¨
‚®§¢à é ¥¬®¥ §­ ç¥­¨¥:
* ¨ç¥£® ­¥ ¢®§¢à é ¥âáï.
‡ ¬¥ç ­¨ï:
* ”ã­ªæ¨ï ¯®¤¤¥à¦¨¢ ¥âáï ⮫쪮 ¤«ï ATAPI ãáâனá⢠(CD ¨ DVD).
* à¨ ¨§¢«¥ç¥­¨¨ «®âª  ¯à®¨§¢®¤¨âáï à §¡«®ª¨à®¢ª  àãç­®£® ã¯à ¢«¥­¨ï ¬¥å ­¨§¬®¬ «®âª .
* à¨ ¨§¢«¥ç¥­¨¨ «®âª  ª®¤ ¯à®¨§¢®¤¨â ®ç¨áâªã ªíè  á®®â¢¥âáâ¢ãî饣® ãáâனá⢠.
* ãâì ¢¢®¤¨âáï ¢ áâ ­¤ àâ­®¬ ¤«ï 70 ä㭪樨 ¢¨¤¥. „«ï à ¡®â®á¯®á®¡­®á⨠¬®¦­®
®£à ­¨ç¨âìáï ¯ãâﬨ ¢¨¤ :
db '/cd0/1/',0
db '/cd1/1/',0
db '/cd2/1/',0
db '/cd3/1/',0
* à¨¬¥à®¬ ¨á¯®«ì§®¢ ­¨ï ä㭪樨 ï¥âáï ¯à¨«®¦¥­¨¥ CD_tray.
 
======================================================================
========== ”ã­ªæ¨ï 70, ¯®¤äã­ªæ¨ï 11 - § £à㧨âì «®â®ª ¯à¨¢®¤  ¤¨áª . ===========
======================================================================
 à ¬¥âàë:
* eax = 70 - ­®¬¥à ä㭪樨
* ebx = 㪠§ â¥«ì ­  ¨­ä®à¬ æ¨®­­ãî áâàãªâãàã
”®à¬ â ¨­ä®à¬ æ¨®­­®© áâàãªâãàë:
* +0: dword: 11 = ­®¬¥à ¯®¤ä㭪樨
* +4: dword: 0 (§ à¥§¥à¢¨à®¢ ­®)
* +8: dword: 0 (§ à¥§¥à¢¨à®¢ ­®)
* +12 = +0xC: dword: 0 (§ à¥§¥à¢¨à®¢ ­®)
* +16 = +0x10: dword: 0 (§ à¥§¥à¢¨à®¢ ­®)
* +20 = +0x14: ASCIIZ-¨¬ï ¯ ¯ª¨, ¯à ¢¨«  ä®à¬¨à®¢ ­¨ï ¨¬ñ­ 㪠§ ­ë ¢
®¡é¥¬ ®¯¨á ­¨¨
¨«¨
* +20 = +0x14: db 0
* +21 = +0x15: dd 㪠§ â¥«ì ­  ASCIIZ-áâபã á ¨¬¥­¥¬ ¯ ¯ª¨
‚®§¢à é ¥¬®¥ §­ ç¥­¨¥:
* ¨ç¥£® ­¥ ¢®§¢à é ¥âáï.
‡ ¬¥ç ­¨ï:
* ”ã­ªæ¨ï ¯®¤¤¥à¦¨¢ ¥âáï ⮫쪮 ¤«ï ATAPI ãáâனá⢠(CD ¨ DVD)
* ãâì ¢¢®¤¨âáï ¢ áâ ­¤ àâ­®¬ ¤«ï 70 ä㭪樨 ¢¨¤¥. „«ï à ¡®â®á¯®á®¡­®á⨠¬®¦­®
®£à ­¨ç¨âìáï ¯ãâﬨ ¢¨¤ :
db '/cd0/1/',0
db '/cd1/1/',0
db '/cd2/1/',0
db '/cd3/1/',0
* à¨¬¥à®¬ ¨á¯®«ì§®¢ ­¨ï ä㭪樨 ï¥âáï ¯à¨«®¦¥­¨¥ CD_tray.
 
======================================================================
=== ”ã­ªæ¨ï 71, ¯®¤äã­ªæ¨ï 1 - ãáâ ­®¢¨âì § £®«®¢®ª ®ª­  ¯à®£à ¬¬ë. ==
======================================================================
 à ¬¥âàë:
/kernel/trunk/docs/sysfuncs.txt
4075,6 → 4075,10
For CD-drives due to hardware limitations only subfunctions
0,1,5 and 7 are available, other subfunctions return error
with code 2.
At the first call subfunctions 0,1,5,7 to devices ATAPI (CD and DVD) the locking
of handle mechanism of a tray is made. It is connected to algorithm of caching
given obtained from a drive. Deblocking is made by call subfunction 10
to the appropriate device.
 
======================================================================
=== Function 70, subfunction 0 - read file with long names support. ==
4430,6 → 4434,64
* If target folder already exists, function returns success (eax=0).
 
======================================================================
================ Function 70, subfunction 10 - eject tray of disk drive. ==============
======================================================================
Parameters:
* eax = 70 - function number
* ebx = pointer to the information structure
Format of the information structure:
* +0: dword: 10 = subfunction number
* +4: dword: 0 (reserved)
* +8: dword: 0 (reserved)
* +12 = +0xC: dword: 0 (reserved)
* +16 = +0x10: dword: 0 (reserved)
* +20 = +0x14: ASCIIZ-name of folder, the rules of names forming are
given in the general description
or
* +20 = +0x14: db 0
* +21 = +0x15: dd pointer to ASCIIZ-string with folder name
Returned value:
* Nothing comes back.
Remarks:
* The function is supported only for ATAPI devices (CD and DVD).
* At extract of a tray is made deblocking of handle mechanism of a tray.
* At extract of a tray the code makes clearing the cache of the appropriate device.
* The path is standard for 70 functions. For serviceability it is possible to be limited to paths:
db '/cd0/1/',0
db '/cd1/1/',0
db '/cd2/1/',0
db '/cd3/1/',0
* An example of usage of the function is the application CD_tray.
 
======================================================================
============== Function 70, subfunction 11 - load tray of disk drive. =================
======================================================================
Parameters:
* eax = 70 - function number
* ebx = pointer to the information structure
Format of the information structure:
* +0: dword: 11 = subfunction number
* +4: dword: 0 (reserved)
* +8: dword: 0 (reserved)
* +12 = +0xC: dword: 0 (reserved)
* +16 = +0x10: dword: 0 (reserved)
* +20 = +0x14: ASCIIZ-name of folder, the rules of names forming are
given in the general description
or
* +20 = +0x14: db 0
* +21 = +0x15: dd pointer to ASCIIZ-string with folder name
Returned value:
* Nothing comes back.
Remarks:
* The function is supported only for ATAPI devices (CD and DVD).
* The path is standard for 70 functions. For serviceability it is possible to be limited to paths:
db '/cd0/1/',0
db '/cd1/1/',0
db '/cd2/1/',0
db '/cd3/1/',0
* An example of usage of the function is the application CD_tray.
 
======================================================================
========== Function 71, subfunction 1 - set window caption. ==========
======================================================================
Parameters:
/kernel/trunk/fs/fs_lfn.inc
388,6 → 388,8
dd 0
dd fs_RamdiskDelete
dd fs_RamdiskCreateFolder
dd fs_NotImplemented
dd fs_NotImplemented
fs_NumRamdiskServices = ($ - fs_RamdiskServices)/4
 
fs_OnFloppy:
419,6 → 421,8
dd 0
dd fs_FloppyDelete
dd fs_FloppyCreateFolder
dd fs_NotImplemented
dd fs_NotImplemented
fs_NumFloppyServices = ($ - fs_FloppyServices)/4
 
fs_OnHd0:
492,6 → 496,8
dd 0
dd fs_HdDelete
dd fs_HdCreateFolder
dd fs_NotImplemented
dd fs_NotImplemented
fs_NumHdServices = ($ - fs_HdServices)/4
 
;*******************************************************
500,6 → 506,7
mov [ChannelNumber],1
mov [DiskNumber],0
push 6
push 1
jmp fs_OnCd
fs_OnCd1:
call reserve_cd
506,6 → 513,7
mov [ChannelNumber],1
mov [DiskNumber],1
push 4
push 2
jmp fs_OnCd
fs_OnCd2:
call reserve_cd
512,6 → 520,7
mov [ChannelNumber],2
mov [DiskNumber],0
push 2
push 3
jmp fs_OnCd
fs_OnCd3:
call reserve_cd
518,10 → 527,12
mov [ChannelNumber],2
mov [DiskNumber],1
push 0
push 4
fs_OnCd:
call reserve_cd_channel
pop eax
mov [hdpos], eax
mov [cdpos], eax
pop eax
cmp ecx, 0x100
jae .nf
push ecx ebx
566,6 → 577,10
dd fs_CdGetFileInfo
dd fs_NotImplemented
dd 0
dd fs_NotImplemented
dd fs_NotImplemented
dd fs_EjectDeviceTray
dd fs_LoadDeviceTray
fs_NumCdServices = ($ - fs_CdServices)/4
 
;*******************************************************
/kernel/trunk/fs/iso9660.inc
489,8 → 489,20
pop edi
xor eax, eax
ret
;----------------------------------------------------------------
fs_EjectDeviceTray:
call clear_CD_cache
call allow_medium_removal
call EjectMedium
ret
;----------------------------------------------------------------
fs_LoadDeviceTray:
call LoadMedium
ret
;----------------------------------------------------------------
 
cd_find_lfn:
mov [cd_appl_data],0
; in: esi+ebp -> name
; out: CF=1 - file not found
; else CF=0 and [cd_current_pointer_of_input] direntry
497,10 → 509,11
push eax esi
; 16 ñåêòîð íà÷àëî íàáîðà äåñêðèïòîðîâ òîìîâ
mov [CDSectorAddress],dword 15
mov [CDDataBuf_pointer],CDDataBuf
call prevent_medium_removal
.start:
inc dword [CDSectorAddress]
mov [CDDataBuf_pointer],CDDataBuf
call ReadCDWRetr
call ReadCDWRetr ;_1
cmp [DevErrorCode],0
jne .access_denied
; ïðîâåðêà íà âøèâîñòü
546,6 → 559,7
; íåò èñêîìîãî ýëåìåíòà öåïî÷êè
.access_denied:
pop esi eax
mov [cd_appl_data],1
stc
ret
; èñêîìûé ýëåìåíò öåïî÷êè íàéäåí
568,6 → 582,7
jmp .nested
@@:
pop esi eax
mov [cd_appl_data],1
clc
ret