ATAPI:

1) Fix - sectors read with errors now are not brought in the cache.
2) Timeout at absence of the disk in ATAPI drive is reduced about 10 seconds without lowering reliability of reading at presence of the disk. Earlier time the waiting could make 1-1.5 minutes.


git-svn-id: svn://kolibrios.org@628 a494cfbc-eb01-0410-851d-a64ba20cac60

kernel/trunk/blkdev/cd_drv.inc

@@ -56,7 +56,6 @@ ReadCD:
 ;        mov     [PacketCommand+9],byte 0xF8
 ; Ïîäàòü êîìàíäó
 	call  SendPacketDatCommand
-;        call test_mario79
 	popa
 	ret
 
@@ -97,6 +96,9 @@ ReadCDWRetr:
     pop   edi
 
     call  ReadCDWRetr_1
+    cmp   [DevErrorCode],0
+    jne   .exit
+
     mov   [CDDataBuf_pointer],ebx
     call  cd_calculate_cache_1
     lea   esi,[edi*8+esi]
@@ -113,6 +115,7 @@ ReadCDWRetr:
     mov   ecx,512   ;/4
     cld
     rep   movsd 		; move data
+.exit:
     popad
     ret
 
@@ -142,12 +145,12 @@ ReadCDWRetr_1:
 	jmp	  .wait
 @@:
 ; Çàäåðæêà íà 2,5 ñåêóíäû
-	mov	EAX,[timer_ticks]
-	add	EAX,250 ;50
-@@Wait:
-	call	change_task
-	cmp	EAX,[timer_ticks]
-	ja	@@Wait
+;	mov	EAX,[timer_ticks]
+;	add	EAX,50	;250
+;@@Wait:
+;	call	change_task
+;	cmp	EAX,[timer_ticks]
+;	ja	@@Wait
 	loop  @@NextRetr
 @@End_4:
 	popad
@@ -189,6 +192,7 @@ CDDataBuf_pointer dd 0
 ;****************************************************
 SendPacketDatCommand:
 	pushad
+	mov   [DevErrorCode],0
 ; Çàäàòü ðåæèì CHS
 	mov	[ATAAddressMode],0
 ; Ïîñëàòü ATA-êîìàíäó ïåðåäà÷è ïàêåòíîé êîìàíäû
@@ -301,7 +305,6 @@ SendPacketDatCommand:
 	jmp @@End_8
 @@Err6:
 	mov	[DevErrorCode],6
-
 @@End_8:
 	popad
 	ret
@@ -319,6 +322,7 @@ SendPacketDatCommand:
 ;***********************************************
 SendPacketNoDatCommand:
 	pushad
+    mov   [DevErrorCode],0
 ; Çàäàòü ðåæèì CHS
 	mov	[ATAAddressMode],0
 ; Ïîñëàòü ATA-êîìàíäó ïåðåäà÷è ïàêåòíîé êîìàíäû
@@ -419,6 +423,7 @@ SendPacketNoDatCommand:
 ;****************************************************
 SendCommandToHDD_1:
 	pushad
+    mov   [DevErrorCode],0
 ; Ïðîâåðèòü çíà÷åíèå êîäà ðåæèìà
 	cmp	[ATAAddressMode],1
 	ja	@@Err2_4
@@ -819,17 +824,15 @@ GetEvent_StatusNotification:
 ; Î÷èñòèòü áóôåð ïàêåòíîé êîìàíäû
 	call  clear_packet_buffer
 ; Çàäàòü êîä êîìàíäû
-	mov	[PacketCommand],word 4Ah
+	mov	[PacketCommand],byte 4Ah
 	mov	[PacketCommand+1],byte 00000001b
 ; Çàäàòü çàïðîñ êëàññà ñîîáùåíèé
 	mov	[PacketCommand+4],byte 00010000b
-; Çàäàòü çàïðîñ êëàññà ñîîáùåíèé
-	mov	[PacketCommand+7],byte 8
-	mov	[PacketCommand+8],byte 0
+; Ðàçìåð âûäåëåííîé îáëàñòè
+	mov	[PacketCommand+7],byte 8h
+	mov	[PacketCommand+8],byte 0h
 ; Ïîäàòü êîìàíäó
-;    mov [timer_ticks_enable],0
 	call	SendPacketDatCommand
-;    mov [timer_ticks_enable],1
 	popa
 	ret
 
@@ -859,4 +862,3 @@ clear_packet_buffer:
 	mov	[PacketCommand+4],dword 0
 	mov	[PacketCommand+8],dword 0
 	ret
-

kernel/trunk/fs/iso9660.inc

@@ -492,6 +492,7 @@ fs_CdGetFileInfo:
 	xor	eax, eax
 	ret
 
+;----------------------------------------------------------------
 cd_find_lfn:
        mov   [cd_appl_data],0
 ; in: esi+ebp -> name
@@ -501,6 +502,11 @@ cd_find_lfn:
 ; 16 ñåêòîð íà÷àëî íàáîðà äåñêðèïòîðîâ òîìîâ
 	mov  [CDSectorAddress],dword 15
        mov  [CDDataBuf_pointer],CDDataBuf
+       
+       call  WaitUnitReady
+       cmp   [DevErrorCode],0
+       jne   .access_denied
+       
        call  prevent_medium_removal
 .start:
 	inc  dword [CDSectorAddress]