WebSVN – Kolibri OS – Diff – /kernel/branches/net/drivers/RTL8029.asm

 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
 ;;                                                                 ;;
-;; Copyright (C) KolibriOS team 2004-2008. All rights reserved.    ;;
+;; Copyright (C) KolibriOS team 2004-2009. All rights reserved.    ;;
 ;; Distributed under terms of the GNU General Public License       ;;
 ;;                                                                 ;;
-;; ne2000 driver for KolibriOS                                     ;;
+;; RTL8029/ne2000 driver for KolibriOS                             ;;
 ;;                                                                 ;;
 ;;    Written by hidnplayr@kolibrios.org                           ;;
+;;     with help from CleverMouse                                  ;;
 ;;                                                                 ;;
 ;;          GNU GENERAL PUBLIC LICENSE                             ;;
 ;;             Version 2, June 1991                                ;;
 ;;                                                                 ;;
-;; current status (september 2009) - INCOMPLETE                    ;;
+;; current status (september 2009) - UNSTABLE                      ;;
+;;                                                                 ;;
+;; based on RTL8029.asm driver for menuetos                        ;;
+;; and realtek8029.asm for SolarOS by Eugen Brasoveanu             ;;
 ;;                                                                 ;;
 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
 	mov	[ebx+device.pci_bus], cl       ;
 	mov	[ebx+device.pci_dev], ch       ;
 	mov	edx, PCI_BASE_ADDRESS_0        ; find the base io address
   .sb_reg_check:
 	movzx	eax, byte [ebx+device.pci_bus] ;
 	movzx	ecx, byte [ebx+device.pci_dev] ;
+					       ;
 	push	edx ecx
 	mov	dword [ebx+device.reset], reset
 	mov	dword [ebx+device.transmit], transmit
 	mov	dword [ebx+device.get_MAC], read_mac
 	mov	dword [ebx+device.set_MAC], write_mac
 	mov	dword [ebx+device.unload], unload
+	mov	dword [ebx+device.name], my_service
 	ret
 	je	reset
 	mov	eax, [ebp + device.bmem]
 	mov	[ebp + device.rmem], eax
-	;-- hack
+	;-- hack (read mac from eeprom ant write it to hardware's register)
-	mov	ebx, ebp
-	call	read_mac
+	mov	ebx, ebp
 	call	read_mac
 	push	.hack
 	sub	esp, 6
 	mov	edi, esp
-	lea	esi, [ebp + device.mac]
-	movsd
+	lea	esi, [ebp + device.mac]
-	movsw
+	movsd
 	movsw
 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
 reset:
-	mov	ebp, ebx	;---
+	mov	ebp, ebx	;---
-	DEBUGF	2,"Resetting rtl8029\n"
+	DEBUGF	2,"Resetting device\n"
 ; attach int handler
 ; clear transmit control register
 	set_io	P0_TCR
 	mov	al, 0		; no loopback
 	out	dx, al
+; clear packet/byte counters
+	lea	edi, [ebp+device.bytes_tx]
+	mov	ecx, 6
+	rep	stosd
 ; Indicate that we have successfully reset the card
 	set_io	0
 	mov	al, CMD_PS0 + CMD_TXP + CMD_RD2 + CMD_STA
 	out	dx, al
+	DEBUGF	2," - Packet Sent!\n"
+	inc	[ebp+device.packets_tx] 	 ;
+	mov	eax, [esp+4]			 ; Get packet size in eax
+	add	dword [ebp + device.bytes_tx], eax
-	DEBUGF	2," - Packet Sent!\n"
+	adc	dword [ebp + device.bytes_tx + 4], 0
 .finish:
 	mov	ebx, ebp
 	mov	esi, ne2000_LIST
 	mov	ecx, [ne2000_DEV]
 .nextdevice:
 	mov	ebp, dword [esi]
-	set_io	0		; We chould check ISR instead..
+	set_io	0
 	set_io	P0_ISR
 	in	al, dx
 	DEBUGF	2,"isr %x ",eax:2
-	test	al, ISR_PRX
+	test	al, ISR_PRX    ; packet received ok ?
 	jnz	.rx
+	add	esi, 4
-	add	esi, 4
+	loop	.nextdevice
+	ret
+; looks like we've found a device wich received a packet..
+.rx:
-	loop	.nextdevice
+	stdcall KernelAlloc, ETH_FRAME_LEN  ; size doesnt really matter as packet size is smaller then kernel's page size
-	ret
+	test	eax, eax
 	jz	.fail_2
 ; looks like we've found it!
-.rx:
+;--------------------------------------
+; allocate memory for temp variables in stack
 	sub	esp, 14+8
-	sub	esp, 14+8			  ; allocate memory for temp variables in stack
+	eth_type	equ esp
+	pkthdr		equ esp + 2
 	pktoff		equ esp + 6
-	eth_type	equ esp
+	eth_rx_data_ptr equ esp + 8
-	pkthdr		equ esp + 2
+	eth_tmp_len	equ esp + 12
 	pktoff		equ esp + 6
-	mov	ax, [pkthdr + 2]
+	mov	ax , [pkthdr + 2]
-	sub	ax, 4
+	sub	ax , 4
+	DEBUGF	2,"Received %u bytes\n",eax
+	add	dword [ebp + device.bytes_rx], eax  ; Update stats
+	adc	dword [ebp + device.bytes_rx + 4], 0
-	DEBUGF	2,"Received %u bytes\n",eax
+	inc	dword [ebp + device.packets_rx]     ;
 	mov	[eth_tmp_len], ax
 	mov	dword[size], eax
-	test	al, RSTAT_PRX
+	test	al , RSTAT_PRX
 	jz	.fail
+   ; Right, we can now get the data
    ; Right, we can now get the data
 	xor	ebx, ebx
-	mov	bh, [ebp + device.memsize]
+	mov	bh , [ebp + device.memsize]
-	sub	bx, [pktoff]
+	sub	bx , [pktoff]
+	cmp	[eth_tmp_len], bx
 	jbe	.nsp_005
 	cmp	[eth_tmp_len], bx
-	jbe	.nsp_005
+	DEBUGF	2,"tadaa!\n"
-	mov	al, [ebp + device.flags]
+	mov	al , [ebp + device.flags]
-	test	al, FLAG_PIO
+	test	al , FLAG_PIO
 	jz	.nsp_006
-	push	bx
+	push	ebx
-	mov	cx, bx
+	mov	cx , bx
-	mov	bx, [pktoff]
+	mov	bx , [pktoff+4]
+	mov	edi, [eth_rx_data_ptr+4]
-	mov	edi, [eth_rx_data_ptr]
+	call	eth_pio_read
-	call	eth_pio_read
+	pop	ebx
-	pop	bx
+	jmp	.nsp_007
 	jmp	.nsp_007
 	mov	edi, [eth_rx_data_ptr]
 	call	eth_pio_read
 	jmp	.nsp_009
+.nsp_008:
-.nsp_008:
+	DEBUGF	2,"PIO mode not supported by HW!\n"
    ; Not implemented, as we are using PIO mode on this card
 .nsp_009:
 	set_io	0
 	set_io	P0_BOUND
 	dec	al
 	out	dx, al
 	mov	ebx, ebp
 	add	esp, 14
 	mov	ebx, ebp
-	jmp	EthReceiver	;;;
+	jmp	EthReceiver	; send it to the kernel
 .fail:
-.fail:
+	add	esp, 14+8
 ;; Write MAC address ;;
 ;;                   ;;
 ;;;;;;;;;;;;;;;;;;;;;;;
 align 4
-write_mac:	; in: mac on stack
+write_mac:	; in: mac on stack (6 bytes)
 ;        in      al, dx
 ;        stosb
 ;        inc     dx
 ;        loopw   .loop
+;
-;        lea     edi, [ebp + device.mac]
-;        DEBUGF  1,"%x-%x-%x-%x-%x-%x\n",[edi+0]:2,[edi+1]:2,[edi+2]:2,[edi+3]:2,[edi+4]:2,[edi+5]:2
-;
 ;        set_io  0
 ;        mov     al, CMD_PS0; + CMD_RD2 + CMD_STA  ; set page back to 0
 ;        out     dx, al
 	jz	.8bit
 	inc	esi
   .8bit:
 	loop	.loop
 	DEBUGF	1,"%x-%x-%x-%x-%x-%x\n",[edi-6]:2,[edi-5]:2,[edi-4]:2,[edi-3]:2,[edi-2]:2,[edi-1]:2
 ;all initialized data place here
 align 4
 ne2000_DEV	dd 0
 version 	dd (5 shl 16) or (API_VERSION and 0xFFFF)
+my_service	db 'RTL8029/ne2000',0  ;max 16 chars include zero
-my_service	db 'ne2000',0  ;max 16 chars include zero
-devicename	db 'Realtek 8029',0
+device_1	db 'Realtek 8029',0
-		db 'Realtek 8019',0
+device_2	db 'Realtek 8019',0
-		db 'Realtek 8019AS',0
+device_3	db 'Realtek 8019AS',0
-		db 'ne2000',0
+device_4	db 'ne2000',0
-		db 'DP8390',0
+device_5	db 'DP8390',0
 test_data	db 'NE*000 memory',0
-;test_buffer     db '             ',0
+test_data	db 'NE*000 memory',0
-include_debug_strings
-section '.data' data readable writable align 16

Subversion Repositories Kolibri OS

(root)/kernel/branches/net/drivers/RTL8029.asm – Rev 1177 → 1178