WebSVN – Kolibri OS – Diff – /kernel/trunk/network/eth_drv/drivers/sis900.inc



;;  Updates:                                                          ;;
;;    Revision Look up table and SIS635 Mac Address by Jarek Pelczar  ;;
;;                                                                    ;;
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;

 

$Revision: 735 $
 
 

;***************************************************************************
SIS900_init_txd:
   ;********** initialize TX descriptor **************
   mov     [txd], dword 0       ;put link to next descriptor in link field
   mov     [txd+4],dword 0      ;clear status field
   mov     [txd+8], dword txb - OS_BASE   ;save address to buffer ptr field
   ;*************** load Transmit Descriptor Register ***************
   mov     dx, [io_addr]            ; base address
   add     dx, SIS900_txdp      ; TX Descriptor Pointer
   mov     eax, txd - OS_BASE               ; First Descriptor
   out     dx, eax                              ; move the pointer
   ret

 
;***************************************************************************

    cmp     ebx, NUM_RX_DESC                ;
    jne     SIS900_init_rxd_Loop_0          ;
    xor     ebx, ebx                        ;
SIS900_init_rxd_Loop_0:                    ;
    imul    ebx, 12                         ;
    add     ebx, rxd - OS_BASE              ;
    mov     [rxd+eax], ebx                                      ;save link to next descriptor
    mov     [rxd+eax+4],dword RX_BUFF_SZ        ;status bits init to buf size
    mov     ebx, ecx                                            ;find where the buf is located
    imul    ebx,RX_BUFF_SZ                  ;
    add     ebx, rxb - OS_BASE              ;
    mov     [rxd+eax+8], ebx                            ;save buffer pointer
    inc     ecx                                                     ;next descriptor
    cmp     ecx, NUM_RX_DESC                ;
    jne     SIS900_init_rxd_Loop            ;
    ;********* load Receive Descriptor Register with address of first
    ; descriptor*********
    mov     dx, [io_addr]
    add     dx, SIS900_rxdp
    mov     eax, rxd - OS_BASE
    out     dx, eax
    ret

 
;***************************************************************************

   mov      ebx, 0xffff
   xor      cl, cl
SIS900_set_rx_mode_Loop:
   mov      eax, ecx
   shl      eax, 1
   mov      [SIS900_mc_filter+eax], bx
   lea      edx,[ebp+SIS900_rfcr]           ; Receive Filter Control Reg offset
   mov      eax, 4                                          ;determine table entry
   add      al, cl
   shl      eax, 16
   out      dx, eax                                         ;tell card which entry to modify

   ;**********Continue copying packet****************
   push     ecx
   ; first copy dword-wise, divide size by 4
   shr      ecx, 2
   mov      esi, [rxd+eax+8]                            ; set source
   add      esi, OS_BASE                        ; get linear address
   mov      edi, Ether_buffer               ; set destination
   cld                                                                          ; clear direction
   rep      movsd                                                       ; copy the dwords
   pop      ecx
   and      ecx, 3                                                  ;

;***************************************************************************
if defined SIS900_DEBUG
SIS900_Debug_Transmit_Packet db 'Transmitting Packet: ',13,10,0
SIS900_Debug_Transmit_Packet_Err db 'Transmitting Packet Error: ',13,10,0
end if
str1 db 'Transmitting packet:',13,10,0
str2 db ' ',0
SIS900_transmit:
   mov          ebp, [io_addr]      ; Base Address
   ;******** Stop the transmitter ********
   lea      edx,[ebp+SIS900_cr] ; Command Register offset
   in       eax, dx                         ; Get current Command Register
   or       eax, SIS900_TxDIS   ; Disable Transmitter
   out      dx, eax
   ;*******load Transmit Descriptor Register *******
   lea      edx,[ebp+SIS900_txdp]
   mov      eax, txd - OS_BASE
   out      dx, eax
   ;******* copy packet to descriptor*******
   push    esi
   mov     esi, edi                ;copy destination addess
   mov     edi, txb

Rev 593	Rev 735
Line 23...	Line 23...
23	;; Updates: ;;	23	;; Updates: ;;
24	;; Revision Look up table and SIS635 Mac Address by Jarek Pelczar ;;	24	;; Revision Look up table and SIS635 Mac Address by Jarek Pelczar ;;
25	;; ;;	25	;; ;;
26	;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;	26	;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
Line 27...	Line 27...
27		27
Line 28...	Line 28...
28	$Revision: 593 $	28	$Revision: 735 $
29		29
30		30
Line 452...	Line 452...
452	;***************************************************************************	452	;***************************************************************************
453	SIS900_init_txd:	453	SIS900_init_txd:
454	;******** initialize TX descriptor ************	454	;******** initialize TX descriptor ************
455	mov [txd], dword 0 ;put link to next descriptor in link field	455	mov [txd], dword 0 ;put link to next descriptor in link field
456	mov [txd+4],dword 0 ;clear status field	456	mov [txd+4],dword 0 ;clear status field
457	mov [txd+8], dword txb ;save address to buffer ptr field	457	mov [txd+8], dword txb - OS_BASE ;save address to buffer ptr field
458	;************* load Transmit Descriptor Register *************	458	;************* load Transmit Descriptor Register *************
459	mov dx, [io_addr] ; base address	459	mov dx, [io_addr] ; base address
460	add dx, SIS900_txdp ; TX Descriptor Pointer	460	add dx, SIS900_txdp ; TX Descriptor Pointer
461	mov eax, txd ; First Descriptor	461	mov eax, txd - OS_BASE ; First Descriptor
462	out dx, eax ; move the pointer	462	out dx, eax ; move the pointer
463	ret	463	ret
Line 464...	Line 464...
464		464
465	;***************************************************************************	465	;***************************************************************************
Line 484...	Line 484...
484	cmp ebx, NUM_RX_DESC ;	484	cmp ebx, NUM_RX_DESC ;
485	jne SIS900_init_rxd_Loop_0 ;	485	jne SIS900_init_rxd_Loop_0 ;
486	xor ebx, ebx ;	486	xor ebx, ebx ;
487	SIS900_init_rxd_Loop_0: ;	487	SIS900_init_rxd_Loop_0: ;
488	imul ebx, 12 ;	488	imul ebx, 12 ;
489	add ebx, rxd ;	489	add ebx, rxd - OS_BASE ;
490	mov [rxd+eax], ebx ;save link to next descriptor	490	mov [rxd+eax], ebx ;save link to next descriptor
491	mov [rxd+eax+4],dword RX_BUFF_SZ ;status bits init to buf size	491	mov [rxd+eax+4],dword RX_BUFF_SZ ;status bits init to buf size
492	mov ebx, ecx ;find where the buf is located	492	mov ebx, ecx ;find where the buf is located
493	imul ebx,RX_BUFF_SZ ;	493	imul ebx,RX_BUFF_SZ ;
494	add ebx, rxb ;	494	add ebx, rxb - OS_BASE ;
495	mov [rxd+eax+8], ebx ;save buffer pointer	495	mov [rxd+eax+8], ebx ;save buffer pointer
496	inc ecx ;next descriptor	496	inc ecx ;next descriptor
497	cmp ecx, NUM_RX_DESC ;	497	cmp ecx, NUM_RX_DESC ;
498	jne SIS900_init_rxd_Loop ;	498	jne SIS900_init_rxd_Loop ;
499	;********* load Receive Descriptor Register with address of first	499	;********* load Receive Descriptor Register with address of first
500	; descriptor*********	500	; descriptor*********
501	mov dx, [io_addr]	501	mov dx, [io_addr]
502	add dx, SIS900_rxdp	502	add dx, SIS900_rxdp
503	mov eax, rxd	503	mov eax, rxd - OS_BASE
504	out dx, eax	504	out dx, eax
505	ret	505	ret
Line 506...	Line 506...
506		506
507	;***************************************************************************	507	;***************************************************************************
Line 574...	Line 574...
574	mov ebx, 0xffff	574	mov ebx, 0xffff
575	xor cl, cl	575	xor cl, cl
576	SIS900_set_rx_mode_Loop:	576	SIS900_set_rx_mode_Loop:
577	mov eax, ecx	577	mov eax, ecx
578	shl eax, 1	578	shl eax, 1
579	mov [SIS900_mc_filter+eax], ebx	579	mov [SIS900_mc_filter+eax], bx
580	lea edx,[ebp+SIS900_rfcr] ; Receive Filter Control Reg offset	580	lea edx,[ebp+SIS900_rfcr] ; Receive Filter Control Reg offset
581	mov eax, 4 ;determine table entry	581	mov eax, 4 ;determine table entry
582	add al, cl	582	add al, cl
583	shl eax, 16	583	shl eax, 16
584	out dx, eax ;tell card which entry to modify	584	out dx, eax ;tell card which entry to modify
Line 929...	Line 929...
929	;********Continue copying packet**************	929	;********Continue copying packet**************
930	push ecx	930	push ecx
931	; first copy dword-wise, divide size by 4	931	; first copy dword-wise, divide size by 4
932	shr ecx, 2	932	shr ecx, 2
933	mov esi, [rxd+eax+8] ; set source	933	mov esi, [rxd+eax+8] ; set source
-		934	add esi, OS_BASE ; get linear address
934	mov edi, Ether_buffer ; set destination	935	mov edi, Ether_buffer ; set destination
935	cld ; clear direction	936	cld ; clear direction
936	rep movsd ; copy the dwords	937	rep movsd ; copy the dwords
937	pop ecx	938	pop ecx
938	and ecx, 3 ;	939	and ecx, 3 ;
Line 984...	Line 985...
984	;***************************************************************************	985	;***************************************************************************
985	if defined SIS900_DEBUG	986	if defined SIS900_DEBUG
986	SIS900_Debug_Transmit_Packet db 'Transmitting Packet: ',13,10,0	987	SIS900_Debug_Transmit_Packet db 'Transmitting Packet: ',13,10,0
987	SIS900_Debug_Transmit_Packet_Err db 'Transmitting Packet Error: ',13,10,0	988	SIS900_Debug_Transmit_Packet_Err db 'Transmitting Packet Error: ',13,10,0
988	end if	989	end if
-		990	str1 db 'Transmitting packet:',13,10,0
-		991	str2 db ' ',0
989	SIS900_transmit:	992	SIS900_transmit:
990	mov ebp, [io_addr] ; Base Address	993	mov ebp, [io_addr] ; Base Address
991	;****** Stop the transmitter ******	994	;****** Stop the transmitter ******
992	lea edx,[ebp+SIS900_cr] ; Command Register offset	995	lea edx,[ebp+SIS900_cr] ; Command Register offset
993	in eax, dx ; Get current Command Register	996	in eax, dx ; Get current Command Register
994	or eax, SIS900_TxDIS ; Disable Transmitter	997	or eax, SIS900_TxDIS ; Disable Transmitter
995	out dx, eax	998	out dx, eax
996	;*****load Transmit Descriptor Register *****	999	;*****load Transmit Descriptor Register *****
997	lea edx,[ebp+SIS900_txdp]	1000	lea edx,[ebp+SIS900_txdp]
998	mov eax, txd	1001	mov eax, txd - OS_BASE
999	out dx, eax	1002	out dx, eax
1000	;***** copy packet to descriptor*****	1003	;***** copy packet to descriptor*****
1001	push esi	1004	push esi
1002	mov esi, edi ;copy destination addess	1005	mov esi, edi ;copy destination addess
1003	mov edi, txb	1006	mov edi, txb

Subversion Repositories Kolibri OS

(root)/kernel/trunk/network/eth_drv/drivers/sis900.inc – Rev 593 → 735