forked from KolibriOS/kolibrios
9ca8f38b9e
Fixed yet another bug in RTL8139 driver (should be almost bug-free now) Added 3com driver (only boomerang cards tested) If somebody has a vortex type 3com card, please help me debug the driver! git-svn-id: svn://kolibrios.org@1472 a494cfbc-eb01-0410-851d-a64ba20cac60
1274 lines
31 KiB
NASM
1274 lines
31 KiB
NASM
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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;; ;;
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;; Copyright (C) KolibriOS team 2004-2008. All rights reserved. ;;
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;; Distributed under terms of the GNU General Public License ;;
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;; ;;
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;; Realtek 8139 driver for KolibriOS ;;
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;; ;;
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;; Written by hidnplayr@kolibrios.org ;;
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;; ;;
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;; 0.1 - x march 2009 ;;
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;; 0.2 - 8 november 2009 ;;
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;; ;;
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;; GNU GENERAL PUBLIC LICENSE ;;
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;; Version 2, June 1991 ;;
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;; ;;
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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format MS COFF
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API_VERSION equ 0x01000100
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DEBUG equ 1
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__DEBUG__ equ 1
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__DEBUG_LEVEL__ equ 2
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include 'proc32.inc'
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include 'imports.inc'
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include 'fdo.inc'
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include 'netdrv.inc'
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OS_BASE equ 0;
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new_app_base equ 0x60400000
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PROC_BASE equ OS_BASE+0x0080000
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public START
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public service_proc
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public version
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struc ETH_DEVICE {
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; pointers to procedures
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.unload dd ?
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.reset dd ?
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.transmit dd ?
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.set_MAC dd ?
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.get_MAC dd ?
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.set_mode dd ?
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.get_mode dd ?
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; status & variables
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.bytes_tx dq ?
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.bytes_rx dq ?
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.packets_tx dd ?
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.packets_rx dd ?
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.mode dd ? ; This dword contains cable status (10mbit/100mbit, full/half duplex, auto negotiation or not,..)
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.name dd ?
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.mac dp ?
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; device specific
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.rx_buffer dd ?
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.tx_buffer dd ?
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.rx_data_offset dd ?
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.io_addr dd ?
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.curr_tx_desc db ?
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.pci_bus db ?
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.pci_dev db ?
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.irq_line db ?
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.hw_ver_id db ?
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.size = $ - device
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}
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virtual at ebx
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device ETH_DEVICE
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end virtual
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; RTL8139 specific defines
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MAX_RTL8139 equ 16 ; Max number of devices this driver may handle
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TX_TIMEOUT equ 30 ; 300 milliseconds timeout
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PCI_REG_CMD equ 0x04 ; command register
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PCI_BIT_PIO equ 0 ; bit0: io space control
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PCI_BIT_MMIO equ 1 ; bit1: memory space control
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PCI_BIT_MASTER equ 2 ; bit2: device acts as a PCI master
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REG_IDR0 equ 0x00
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REG_MAR0 equ 0x08 ; multicast filter register 0
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REG_MAR4 equ 0x0c ; multicast filter register 4
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REG_TSD0 equ 0x10 ; transmit status of descriptor
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REG_TSAD0 equ 0x20 ; transmit start address of descriptor
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REG_RBSTART equ 0x30 ; RxBuffer start address
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REG_COMMAND equ 0x37 ; command register
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REG_CAPR equ 0x38 ; current address of packet read (word) R/W
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REG_IMR equ 0x3c ; interrupt mask register
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REG_ISR equ 0x3e ; interrupt status register
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REG_TXCONFIG equ 0x40 ; transmit configuration register
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REG_RXCONFIG equ 0x44 ; receive configuration register 0
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REG_MPC equ 0x4c ; missed packet counter
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REG_9346CR equ 0x50 ; serial eeprom 93C46 command register
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REG_CONFIG1 equ 0x52 ; configuration register 1
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REG_MSR equ 0x58
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REG_CONFIG4 equ 0x5a ; configuration register 4
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REG_HLTCLK equ 0x5b ; undocumented halt clock register
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REG_BMCR equ 0x62 ; basic mode control register
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REG_ANAR equ 0x66 ; auto negotiation advertisement register
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REG_9346CR_WE equ 11b SHL 6
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BIT_RUNT equ 4 ; total packet length < 64 bytes
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BIT_LONG equ 3 ; total packet length > 4k
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BIT_CRC equ 2 ; crc error occured
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BIT_FAE equ 1 ; frame alignment error occured
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BIT_ROK equ 0 ; received packet is ok
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BIT_RST equ 4 ; reset bit
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BIT_RE equ 3 ; receiver enabled
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BIT_TE equ 2 ; transmitter enabled
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BUFE equ 1 ; rx buffer is empty, no packet stored
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BIT_ISR_TOK equ 2 ; transmit ok
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BIT_ISR_RER equ 1 ; receive error interrupt
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BIT_ISR_ROK equ 0 ; receive ok
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BIT_TX_MXDMA equ 8 ; Max DMA burst size per Tx DMA burst
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BIT_TXRR equ 4 ; Tx Retry count 16+(TXRR*16)
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BIT_RXFTH equ 13 ; Rx fifo threshold
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BIT_RBLEN equ 11 ; Ring buffer length indicator
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BIT_RX_MXDMA equ 8 ; Max DMA burst size per Rx DMA burst
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BIT_NOWRAP equ 7 ; transfered data wrapping
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BIT_9356SEL equ 6 ; eeprom selector 9346/9356
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BIT_AER equ 5 ; accept error packets
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BIT_AR equ 4 ; accept runt packets
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BIT_AB equ 3 ; accept broadcast packets
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BIT_AM equ 2 ; accept multicast packets
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BIT_APM equ 1 ; accept physical match packets
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BIT_AAP equ 0 ; accept all packets
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BIT_93C46_EEM1 equ 7 ; RTL8139 eeprom operating mode1
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BIT_93C46_EEM0 equ 6 ; RTL8139 eeprom operating mode0
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BIT_93C46_EECS equ 3 ; chip select
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BIT_93C46_EESK equ 2 ; serial data clock
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BIT_93C46_EEDI equ 1 ; serial data input
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BIT_93C46_EEDO equ 0 ; serial data output
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BIT_LWACT equ 4 ; see REG_CONFIG1
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BIT_SLEEP equ 1 ; sleep bit at older chips
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BIT_PWRDWN equ 0 ; power down bit at older chips
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BIT_PMEn equ 0 ; power management enabled
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BIT_LWPTN equ 2 ; see REG_CONFIG4
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BIT_ERTXTH equ 16 ; early TX threshold
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BIT_TOK equ 15 ; transmit ok
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BIT_OWN equ 13 ; tx DMA operation is completed
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BIT_ANE equ 12 ; auto negotiation enable
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BIT_TXFD equ 8 ; 100base-T full duplex
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BIT_TX equ 7 ; 100base-T
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BIT_10FD equ 6 ; 10base-T full duplex
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BIT_10 equ 5 ; 10base-T
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BIT_SELECTOR equ 0 ; binary encoded selector CSMA/CD=00001
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BIT_IFG1 equ 25
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BIT_IFG0 equ 24
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RBLEN equ 2 ; Receive buffer size: 0==8K 1==16k 2==32k 3==64k
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TXRR equ 8 ; total retries = 16+(TXRR*16)
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TX_MXDMA equ 6 ; 0=16 1=32 2=64 3=128 4=256 5=512 6=1024 7=2048
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ERTXTH equ 8 ; in unit of 32 bytes e.g:(8*32)=256
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RX_MXDMA equ 7 ; 0=16 1=32 2=64 3=128 4=256 5=512 6=1024 7=unlimited
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RXFTH equ 7 ; 0=16 1=32 2=64 3=128 4=256 5=512 6=1024 7=no threshold
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RX_CONFIG equ (RBLEN shl BIT_RBLEN) or \
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(RX_MXDMA shl BIT_RX_MXDMA) or \
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(1 shl BIT_NOWRAP) or \
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(RXFTH shl BIT_RXFTH) or\
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(1 shl BIT_AB) or \ ; Accept broadcast packets
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(1 shl BIT_APM) or \ ; Accept physical match packets
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(1 shl BIT_AER) or \ ; Accept error packets
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(1 shl BIT_AR) or \ ; Accept Runt packets (smaller then 64 bytes)
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(1 shl BIT_AM) ; Accept multicast packets
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RX_BUFFER_SIZE equ (8192 shl RBLEN);+16
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MAX_ETH_FRAME_SIZE equ 1516 ; exactly 1514 wthout CRC
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NUM_TX_DESC equ 4
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TX_BUF_SIZE equ 4096 ; size of one tx buffer (set to 4kb because of KolibriOS's page size)
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EE_93C46_REG_ETH_ID equ 7 ; MAC offset
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EE_93C46_READ_CMD equ (6 shl 6) ; 110b + 6bit address
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EE_93C56_READ_CMD equ (6 shl 8) ; 110b + 8bit address
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EE_93C46_CMD_LENGTH equ 9 ; start bit + cmd + 6bit address
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EE_93C56_CMD_LENGTH equ 11 ; start bit + cmd + 8bit ddress
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VER_RTL8139 equ 1100000b
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VER_RTL8139A equ 1110000b
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VER_RTL8139AG equ 1110100b
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VER_RTL8139B equ 1111000b
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VER_RTL8130 equ VER_RTL8139B
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VER_RTL8139C equ 1110100b
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VER_RTL8100 equ 1111010b
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VER_RTL8100B equ 1110101b
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VER_RTL8139D equ VER_RTL8100B
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VER_RTL8139CP equ 1110110b
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VER_RTL8101 equ 1110111b
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IDX_RTL8139 equ 0
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IDX_RTL8139A equ 1
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IDX_RTL8139B equ 2
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IDX_RTL8139C equ 3
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IDX_RTL8100 equ 4
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IDX_RTL8139D equ 5
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IDX_RTL8139D equ 6
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IDX_RTL8101 equ 7
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ISR_SERR equ 1 SHL 15
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ISR_TIMEOUT equ 1 SHL 14
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ISR_LENCHG equ 1 SHL 13
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ISR_FIFOOVW equ 1 SHL 6
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ISR_PUN equ 1 SHL 5
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ISR_RXOVW equ 1 SHL 4
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ISR_TER equ 1 SHL 3
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ISR_TOK equ 1 SHL 2
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ISR_RER equ 1 SHL 1
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ISR_ROK equ 1 SHL 0
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INTERRUPT_MASK equ ISR_ROK or \
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ISR_RXOVW or \
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ISR_PUN or \
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ISR_FIFOOVW or \
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ISR_LENCHG or \
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ISR_TOK or \
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ISR_TER
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TSR_OWN equ 1 SHL 13
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TSR_TUN equ 1 SHL 14
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TSR_TOK equ 1 SHL 15
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TSR_CDH equ 1 SHL 28
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TSR_OWC equ 1 SHL 29
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TSR_TABT equ 1 SHL 30
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TSR_CRS equ 1 SHL 31
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section '.flat' code readable align 16
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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;; ;;
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;; proc START ;;
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;; ;;
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;; (standard driver proc) ;;
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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align 4
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proc START stdcall, state:dword
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cmp [state], 1
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jne .exit
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.entry:
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DEBUGF 2,"Loading rtl8139 driver\n"
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stdcall RegService, my_service, service_proc
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ret
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.fail:
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.exit:
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xor eax, eax
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ret
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endp
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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;; ;;
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;; proc SERVICE_PROC ;;
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;; ;;
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;; (standard driver proc) ;;
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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align 4
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proc service_proc stdcall, ioctl:dword
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mov edx, [ioctl]
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<<<<<<< .mine
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mov eax, [IOCTL.io_code]
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=======
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mov eax, [edx+IOCTL.io_code]
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>>>>>>> .r1471
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;------------------------------------------------------
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cmp eax, 0 ;SRV_GETVERSION
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jne @F
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cmp [IOCTL.out_size], 4
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jl .fail
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mov eax, [IOCTL.output]
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mov [eax], dword API_VERSION
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xor eax, eax
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ret
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;------------------------------------------------------
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@@:
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cmp eax, 1 ;SRV_HOOK
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jne .fail
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cmp [IOCTL.inp_size], 3 ; Data input must be at least 3 bytes
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jl .fail
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mov eax, [IOCTL.input]
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cmp byte [eax], 1 ; 1 means device number and bus number (pci) are given
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jne .fail ; other types arent supported for this card yet
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; check if the device is already listed
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mov esi, RTL8139_LIST
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mov ecx, [RTL8139_DEV]
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test ecx, ecx
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jz .firstdevice
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; mov eax, [IOCTL.input] ; get the pci bus and device numbers
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mov ax , [eax+1] ;
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.nextdevice:
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mov ebx, [esi]
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cmp ax , word [device.pci_bus] ; compare with pci and device num in device list (notice the usage of word instead of byte)
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je .find_devicenum ; Device is already loaded, let's find it's device number
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add esi, 4
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loop .nextdevice
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; This device doesnt have its own eth_device structure yet, lets create one
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.firstdevice:
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cmp [RTL8139_DEV], MAX_RTL8139 ; First check if the driver can handle one more card
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jge .fail
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push edx
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stdcall KernelAlloc, dword device.size ; Allocate the buffer for eth_device structure
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pop edx
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test eax, eax
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jz .fail
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mov ebx, eax ; ebx is always used as a pointer to the structure (in driver, but also in kernel code)
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; Fill in the direct call addresses into the struct
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mov dword [device.reset], reset
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mov dword [device.transmit], transmit
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mov dword [device.get_MAC], read_mac
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mov dword [device.set_MAC], write_mac
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mov dword [device.unload], unload
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mov dword [device.name], my_service
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; save the pci bus and device numbers
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mov eax, [IOCTL.input]
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mov cl , [eax+1]
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mov [device.pci_bus], cl
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mov cl , [eax+2]
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mov [device.pci_dev], cl
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; Now, it's time to find the base io addres of the PCI device
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; TODO: implement check if bus and dev exist on this machine
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find_io [device.pci_bus], [device.pci_dev], [device.io_addr]
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; We've found the io address, find IRQ now
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movzx eax, byte [device.pci_bus]
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movzx ecx, byte [device.pci_dev]
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push ebx
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stdcall PciRead8, eax ,ecx ,0x3c ; 0x3c is the offset where irq can be found
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pop ebx
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mov byte [device.irq_line], al
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DEBUGF 2,"Hooking into device, dev:%x, bus:%x, irq:%x, addr:%x\n",\
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[device.pci_dev]:1,[device.pci_bus]:1,[device.irq_line]:1,[device.io_addr]:4
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allocate_and_clear [device.rx_buffer], (RX_BUFFER_SIZE+MAX_ETH_FRAME_SIZE), .err
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allocate_and_clear [device.tx_buffer], (TX_BUF_SIZE*NUM_TX_DESC), .err
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; Ok, the eth_device structure is ready, let's probe the device
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call probe ; this function will output in eax
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test eax, eax
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jnz .err ; If an error occured, exit
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mov eax, [RTL8139_DEV] ; Add the device structure to our device list
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mov [RTL8139_LIST+4*eax], ebx ; (IRQ handler uses this list to find device)
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inc [RTL8139_DEV] ;
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call EthRegDev
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cmp eax, -1
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je .destroy
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ret
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; If the device was already loaded, find the device number and return it in eax
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.find_devicenum:
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DEBUGF 2,"Trying to find device number of already registered device\n"
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mov ebx, eax
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call EthStruc2Dev ; This kernel procedure converts a pointer to device struct in ebx
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; into a device number in edi
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mov eax, edi ; Application wants it in eax instead
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DEBUGF 2,"Kernel says: %u\n", eax
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ret
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; If an error occured, remove all allocated data and exit (returning -1 in eax)
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.destroy:
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; todo: reset device into virgin state
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.err:
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stdcall KernelFree, dword [device.rx_buffer]
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stdcall KernelFree, dword [device.tx_buffer]
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stdcall KernelFree, ebx
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.fail:
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or eax, -1
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ret
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;------------------------------------------------------
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endp
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;;/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\;;
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;; ;;
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;; Actual Hardware dependent code starts here ;;
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;; ;;
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;;/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\;;
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align 4
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unload:
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; TODO: (in this particular order)
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;
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; - Stop the device
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; - Detach int handler
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; - Remove device from local list (RTL8139_LIST)
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; - call unregister function in kernel
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; - Remove all allocated structures and buffers the card used
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or eax,-1
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ret
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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;;
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;; probe: enables the device (if it really is RTL8139)
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;;
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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align 4
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probe:
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DEBUGF 2,"Probing rtl8139 device: "
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make_bus_master [device.pci_bus], [device.pci_dev]
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; get chip version
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set_io 0
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set_io REG_TXCONFIG + 2
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in ax , dx
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shr ah , 2
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shr ax , 6
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and al , 01111111b
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mov ecx, HW_VER_ARRAY_SIZE-1
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.chip_ver_loop:
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cmp al , [hw_ver_array+ecx]
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je .chip_ver_found
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dec ecx
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jns .chip_ver_loop
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xor cl , cl ; default RTL8139
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.chip_ver_found:
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mov [device.hw_ver_id], cl
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shl ecx, 2
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add ecx, crosslist
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mov ecx, [ecx]
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mov [device.name], ecx
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DEBUGF 2,"Chip version: %s\n",ecx
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; wake up the chip
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set_io 0
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set_io REG_HLTCLK
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mov al , 'R' ; run the clock
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out dx , al
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; unlock config and BMCR registers
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set_io REG_9346CR
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mov al , (1 shl BIT_93C46_EEM1) or (1 shl BIT_93C46_EEM0)
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out dx , al
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; enable power management
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set_io REG_CONFIG1
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in al , dx
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cmp [device.hw_ver_id], IDX_RTL8139B
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jl .old_chip
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; set LWAKE pin to active high (default value).
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; it is for Wake-On-LAN functionality of some motherboards.
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; this signal is used to inform the motherboard to execute a wake-up process.
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; only at newer chips.
|
|
|
|
or al , (1 shl BIT_PMEn)
|
|
and al , not (1 shl BIT_LWACT)
|
|
out dx , al
|
|
|
|
set_io REG_CONFIG4
|
|
in al , dx
|
|
and al , not (1 shl BIT_LWPTN)
|
|
out dx , al
|
|
|
|
jmp .finish_wake_up
|
|
.old_chip:
|
|
|
|
; wake up older chips
|
|
|
|
and al , not ((1 shl BIT_SLEEP) or (1 shl BIT_PWRDWN))
|
|
out dx , al
|
|
.finish_wake_up:
|
|
|
|
; lock config and BMCR registers
|
|
|
|
xor al , al
|
|
set_io 0
|
|
set_io REG_9346CR
|
|
out dx , al
|
|
DEBUGF 2,"done!\n"
|
|
|
|
|
|
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
|
|
;;
|
|
;; reset: Set up all registers and descriptors, clear some values
|
|
;;
|
|
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
|
|
|
|
reset:
|
|
DEBUGF 2,"Resetting rtl8139: "
|
|
|
|
; attach int handler
|
|
|
|
movzx eax, [device.irq_line]
|
|
DEBUGF 1,"Attaching int handler to irq %x, ",eax:1
|
|
stdcall AttachIntHandler, eax, int_handler, dword 0
|
|
test eax, eax
|
|
jnz @f
|
|
DEBUGF 1,"\nCould not attach int handler!\n"
|
|
; or eax, -1
|
|
; ret
|
|
@@:
|
|
|
|
; reset chip
|
|
|
|
DEBUGF 1,"Resetting chip\n"
|
|
set_io 0
|
|
set_io REG_COMMAND
|
|
mov al , 1 shl BIT_RST
|
|
out dx , al
|
|
mov cx , 1000 ; wait no longer for the reset
|
|
.wait_for_reset:
|
|
in al , dx
|
|
test al , 1 shl BIT_RST
|
|
jz .reset_completed ; RST remains 1 during reset
|
|
dec cx
|
|
jns .wait_for_reset
|
|
.reset_completed:
|
|
|
|
; unlock config and BMCR registers
|
|
|
|
set_io REG_9346CR
|
|
mov al , (1 shl BIT_93C46_EEM1) or (1 shl BIT_93C46_EEM0)
|
|
out dx , al
|
|
|
|
; initialize multicast registers (no filtering)
|
|
|
|
mov eax, 0xffffffff
|
|
set_io REG_MAR0
|
|
out dx , eax
|
|
set_io REG_MAR4
|
|
out dx , eax
|
|
|
|
; enable Rx/Tx
|
|
|
|
mov al , (1 shl BIT_RE) or (1 shl BIT_TE)
|
|
set_io REG_COMMAND
|
|
out dx , al
|
|
|
|
; 32k Rxbuffer, unlimited dma burst, no wrapping, no rx threshold
|
|
; accept broadcast packets, accept physical match packets
|
|
|
|
mov ax , RX_CONFIG
|
|
set_io REG_RXCONFIG
|
|
out dx , ax
|
|
|
|
|
|
; 1024 bytes DMA burst, total retries = 16 + 8 * 16 = 144
|
|
|
|
mov eax , (TX_MXDMA shl BIT_TX_MXDMA) or (TXRR shl BIT_TXRR) or BIT_IFG1 or BIT_IFG0
|
|
set_io REG_TXCONFIG
|
|
out dx , eax
|
|
|
|
; enable auto negotiation
|
|
|
|
set_io REG_BMCR
|
|
in ax , dx
|
|
or ax , (1 shl BIT_ANE)
|
|
out dx , ax
|
|
|
|
; set auto negotiation advertisement
|
|
|
|
set_io REG_ANAR
|
|
in ax , dx
|
|
or ax , (1 shl BIT_SELECTOR) or (1 shl BIT_10) or (1 shl BIT_10FD) or (1 shl BIT_TX) or (1 shl BIT_TXFD)
|
|
out dx , ax
|
|
|
|
; lock config and BMCR registers
|
|
|
|
xor eax, eax
|
|
set_io REG_9346CR
|
|
out dx , al
|
|
|
|
; init RX/TX pointers
|
|
|
|
mov [device.rx_data_offset], eax
|
|
mov [device.curr_tx_desc], al
|
|
|
|
; clear packet/byte counters
|
|
|
|
lea edi, [device.bytes_tx]
|
|
mov ecx, 6
|
|
rep stosd
|
|
|
|
; clear missing packet counter
|
|
|
|
set_io REG_MPC
|
|
out dx , eax
|
|
|
|
; Set up the 4 Txbuffer descriptors
|
|
|
|
set_io REG_TSAD0
|
|
mov eax, [device.tx_buffer]
|
|
mov ecx, 4
|
|
.loop:
|
|
push eax
|
|
call GetPgAddr
|
|
DEBUGF 1,"Desc: %x ", eax
|
|
out dx , eax
|
|
add dx , 4
|
|
pop eax
|
|
add eax, TX_BUF_SIZE
|
|
loop .loop
|
|
|
|
; set RxBuffer address, init RX buffer offset
|
|
|
|
mov eax, [device.rx_buffer]
|
|
call GetPgAddr
|
|
set_io 0
|
|
set_io REG_RBSTART
|
|
out dx , eax
|
|
|
|
; enable interrupts
|
|
|
|
mov eax, INTERRUPT_MASK
|
|
set_io REG_IMR
|
|
out dx , ax
|
|
|
|
; Read MAC address
|
|
|
|
call read_mac
|
|
|
|
; Indicate that we have successfully reset the card
|
|
|
|
DEBUGF 2,"Done!\n"
|
|
xor eax, eax
|
|
|
|
ret
|
|
|
|
|
|
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
|
|
;; ;;
|
|
;; Transmit ;;
|
|
;; ;;
|
|
;; In: buffer pointer in [esp+4] ;;
|
|
;; size of buffer in [esp+8] ;;
|
|
;; pointer to device structure in ebx ;;
|
|
;; ;;
|
|
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
|
|
|
|
align 4
|
|
transmit:
|
|
DEBUGF 1,"Transmitting packet, buffer:%x, size:%u\n",[esp+4],[esp+8]
|
|
mov eax, [esp+4]
|
|
DEBUGF 1,"To: %x-%x-%x-%x-%x-%x From: %x-%x-%x-%x-%x-%x Type:%x%x\n",\
|
|
[eax+00]:2,[eax+01]:2,[eax+02]:2,[eax+03]:2,[eax+04]:2,[eax+05]:2,\
|
|
[eax+06]:2,[eax+07]:2,[eax+08]:2,[eax+09]:2,[eax+10]:2,[eax+11]:2,\
|
|
[eax+13]:2,[eax+12]:2
|
|
|
|
cmp dword [esp+8], MAX_ETH_FRAME_SIZE
|
|
jg .finish ; packet is too long
|
|
cmp dword [esp+8], 60
|
|
jl .finish ; packet is too short
|
|
|
|
; check descriptor
|
|
DEBUGF 1,"Checking descriptor, "
|
|
movzx ecx, [device.curr_tx_desc]
|
|
mov edx, [device.io_addr]
|
|
lea edx, [edx+ecx*4+REG_TSD0]
|
|
in ax, dx
|
|
test ax, 0x1fff ; or no size given
|
|
jz .send_packet
|
|
and ax, (1 shl BIT_TOK) or (1 shl BIT_OWN)
|
|
cmp ax, (1 shl BIT_TOK) or (1 shl BIT_OWN)
|
|
jz .send_packet
|
|
; wait for timeout
|
|
DEBUGF 1,"Waiting for timeout, "
|
|
|
|
push edx ebx ; TODO : rtl8139 internal timer should be used instead
|
|
stdcall Sleep, TX_TIMEOUT ; ? What registers does this destroy ?
|
|
pop ebx edx
|
|
|
|
in ax, dx
|
|
and ax, (1 shl BIT_TOK) or (1 shl BIT_OWN)
|
|
cmp ax, (1 shl BIT_TOK) or (1 shl BIT_OWN)
|
|
jz .send_packet ; if chip hung, reset it
|
|
push dx
|
|
call reset ; reset the card
|
|
pop dx
|
|
.send_packet:
|
|
DEBUGF 1,"Sending packet, "
|
|
|
|
push edx
|
|
movzx eax, [device.curr_tx_desc] ; calculate the current tx_buffer address
|
|
mov edx, TX_BUF_SIZE ;MAX_ETH_FRAME_SIZE ;
|
|
mul edx ;
|
|
mov edi, [device.tx_buffer] ;
|
|
add edi, eax ; Store it in edi
|
|
pop edx
|
|
|
|
mov esi, [esp+4] ; Copy data to that address
|
|
mov ecx, [esp+8] ;
|
|
shr ecx, 2 ;
|
|
rep movsd ;
|
|
mov ecx, [esp+8] ;
|
|
and ecx, 3 ;
|
|
rep movsb ;
|
|
|
|
inc [device.packets_tx] ;
|
|
mov eax, [esp+8] ; Get packet size in eax
|
|
|
|
add dword [device.bytes_tx], eax
|
|
adc dword [device.bytes_tx + 4], 0
|
|
|
|
; or eax, (ERTXTH shl BIT_ERTXTH) ; Set descriptor size and the early tx treshold into the correct Transmission status register (TSD0, TSD1, TSD2 or TSD3)
|
|
out dx , eax ;
|
|
|
|
; get next descriptor 0, 1, 2, 3, 0, 1, 2, 3, 0, 1, ...
|
|
inc [device.curr_tx_desc]
|
|
and [device.curr_tx_desc], 3
|
|
|
|
DEBUGF 1," - Packet Sent! "
|
|
.finish:
|
|
DEBUGF 1," - Done!\n"
|
|
ret
|
|
|
|
|
|
|
|
|
|
|
|
;;;;;;;;;;;;;;;;;;;;;;;
|
|
;; ;;
|
|
;; Interrupt handler ;;
|
|
;; ;;
|
|
;;;;;;;;;;;;;;;;;;;;;;;
|
|
|
|
align 4
|
|
int_handler:
|
|
|
|
DEBUGF 1,"IRQ %x ",eax:2 ; no, you cant replace 'eax:2' with 'al', this must be a bug in FDO
|
|
|
|
; find pointer of device wich made IRQ occur
|
|
|
|
mov esi, RTL8139_LIST
|
|
mov ecx, [RTL8139_DEV]
|
|
.nextdevice:
|
|
mov ebx, dword [esi]
|
|
|
|
set_io 0
|
|
set_io REG_ISR
|
|
in ax , dx
|
|
out dx , ax ; send it back to ACK
|
|
|
|
add esi, 4
|
|
|
|
test ax , ax
|
|
jnz .got_it
|
|
|
|
loop .nextdevice
|
|
|
|
ret ; If no device was found, abort (The irq was probably for a device, not registered to this driver)
|
|
|
|
.got_it:
|
|
|
|
; looks like we've found it!
|
|
|
|
; Lets found out why the irq occured then..
|
|
|
|
;----------------------------------------------------
|
|
; Received packet ok?
|
|
|
|
test ax, ISR_ROK
|
|
jz @f
|
|
push ax
|
|
|
|
.receive:
|
|
set_io 0
|
|
set_io REG_COMMAND
|
|
in al , dx
|
|
test al , BUFE ; test if RX buffer is empty
|
|
jnz .finish ;
|
|
|
|
DEBUGF 1,"RX: "
|
|
|
|
mov eax, [device.rx_buffer]
|
|
add eax, [device.rx_data_offset]
|
|
test byte [eax], (1 shl BIT_ROK) ; check if packet is ok
|
|
jz .reset_rx
|
|
|
|
; packet is ok, copy it
|
|
movzx ecx, word [eax+2] ; packet length
|
|
|
|
; Update stats
|
|
add dword [device.bytes_rx], ecx
|
|
adc dword [device.bytes_rx + 4], 0
|
|
inc dword [device.packets_rx]
|
|
|
|
sub ecx, 4 ; don't copy CRC
|
|
|
|
DEBUGF 1,"Received %u bytes\n", ecx
|
|
|
|
push ebx eax ecx
|
|
stdcall KernelAlloc, ecx ; Allocate a buffer to put packet into
|
|
pop ecx
|
|
test eax, eax ; Test if we allocated succesfully
|
|
jz .abort
|
|
|
|
|
|
mov edi, eax ; Where we will copy too
|
|
|
|
mov esi, [esp] ; The buffer we will copy from
|
|
add esi, 4 ; Dont copy CRC
|
|
|
|
push dword .abort ; Kernel will return to this address after EthReceiver
|
|
push ecx edi ; Save buffer pointer and size, to pass to kernel
|
|
|
|
.copy:
|
|
shr ecx, 1
|
|
jnc .nb
|
|
movsb
|
|
.nb:
|
|
shr ecx, 1
|
|
jnc .nw
|
|
movsw
|
|
.nw:
|
|
jz .nd
|
|
rep movsd
|
|
.nd:
|
|
|
|
jmp EthReceiver ; Send it to kernel
|
|
|
|
|
|
.abort:
|
|
pop eax ebx
|
|
; update eth_data_start_offset
|
|
movzx eax, word [eax+2] ; packet length
|
|
add eax, [device.rx_data_offset]
|
|
add eax, 4+3 ; packet header is 4 bytes long + dword alignment
|
|
and eax, not 3 ; dword alignment
|
|
|
|
cmp eax, RX_BUFFER_SIZE
|
|
jl .no_wrap
|
|
DEBUGF 2,"Wrapping"
|
|
sub eax, RX_BUFFER_SIZE
|
|
.no_wrap:
|
|
mov [device.rx_data_offset], eax
|
|
DEBUGF 1,"New RX ptr: %d ", eax
|
|
|
|
set_io 0
|
|
set_io REG_CAPR ; update 'Current Address of Packet Read register'
|
|
sub eax, 0x10 ; value 0x10 is a constant for CAPR
|
|
out dx , ax
|
|
|
|
jmp .receive ; check for multiple packets
|
|
|
|
.reset_rx:
|
|
test byte [eax], (1 shl BIT_CRC)
|
|
jz .no_crc_error
|
|
DEBUGF 2,"\nCRC error!\n"
|
|
|
|
.no_crc_error:
|
|
test byte [eax], (1 shl BIT_FAE)
|
|
jz .no_fae_error
|
|
DEBUGF 1,"\nFrame alignment error!\n"
|
|
|
|
.no_fae_error:
|
|
DEBUGF 1,"Reset RX\n"
|
|
in al , dx ; read command register
|
|
push ax
|
|
|
|
and al , not (1 shl BIT_RE) ; Clear the RE bit
|
|
out dx , al
|
|
|
|
pop ax
|
|
out dx , al ; write original command back
|
|
|
|
add edx, REG_RXCONFIG - REG_COMMAND ; Restore RX configuration
|
|
mov ax , RX_CONFIG
|
|
out dx , ax
|
|
|
|
.finish:
|
|
pop ax
|
|
|
|
;----------------------------------------------------
|
|
; Transmit error ?
|
|
|
|
@@:
|
|
test ax, ISR_TER
|
|
jz @f
|
|
|
|
push ax
|
|
cmp [device.curr_tx_desc], 4
|
|
jz .notxd
|
|
|
|
set_io 0
|
|
movzx ecx, [device.curr_tx_desc]
|
|
lea edx, [edx+ecx*4+REG_TSD0]
|
|
in eax, dx
|
|
|
|
.notxd:
|
|
test eax, TSR_TUN
|
|
jz .nobun
|
|
DEBUGF 2, "TX: FIFO Buffer underrun!\n"
|
|
|
|
.nobun:
|
|
test eax, TSR_OWC
|
|
jz .noowc
|
|
DEBUGF 2, "TX: OWC!\n"
|
|
|
|
.noowc:
|
|
test eax, TSR_TABT
|
|
jz .notabt
|
|
DEBUGF 2, "TX: TABT!\n"
|
|
|
|
.notabt:
|
|
test eax, TSR_CRS
|
|
jz .nocsl
|
|
DEBUGF 2, "TX: Carrier Sense Lost!\n"
|
|
|
|
.nocsl:
|
|
; test eax, TSR_OWN or TSR_TOK
|
|
; jz .nofd
|
|
; DEBUGF 1, "TX: Transmit OK (desc: %u)\n", ecx
|
|
;
|
|
; .nofd:
|
|
pop ax
|
|
|
|
;----------------------------------------------------
|
|
; Transmit ok ?
|
|
|
|
@@:
|
|
test ax, ISR_TOK
|
|
jz @f
|
|
|
|
DEBUGF 1, "TX: Transmit OK (desc: %u)\n", [device.curr_tx_desc]:1
|
|
|
|
;----------------------------------------------------
|
|
; Rx buffer overflow ?
|
|
|
|
@@:
|
|
test ax, ISR_RXOVW
|
|
jz @f
|
|
|
|
push ax
|
|
DEBUGF 2,"RX-buffer overflow!\n"
|
|
|
|
mov edx, [device.io_addr]
|
|
add edx, REG_ISR
|
|
mov ax , ISR_FIFOOVW or ISR_RXOVW
|
|
out dx , ax
|
|
pop ax
|
|
|
|
;----------------------------------------------------
|
|
; Packet underrun? ?
|
|
|
|
|
|
@@:
|
|
test ax, ISR_PUN
|
|
jz @f
|
|
|
|
DEBUGF 2,"Packet underrun!\n"
|
|
|
|
;----------------------------------------------------
|
|
; Receive FIFO overflow ?
|
|
|
|
@@:
|
|
test ax, ISR_FIFOOVW
|
|
jz @f
|
|
|
|
push ax
|
|
DEBUGF 2,"RX fifo overflox!\n"
|
|
|
|
mov edx, [device.io_addr]
|
|
add edx, REG_ISR
|
|
mov ax , ISR_FIFOOVW or ISR_RXOVW
|
|
out dx , ax
|
|
pop ax
|
|
|
|
;----------------------------------------------------
|
|
; Something about Cable changed ?
|
|
|
|
@@:
|
|
test ax, ISR_LENCHG
|
|
jz .fail
|
|
|
|
DEBUGF 2,"Cable changed!\n"
|
|
call cable
|
|
|
|
; If none of the above events happened, just exit clearing int
|
|
|
|
.fail:
|
|
|
|
DEBUGF 1,"\n"
|
|
ret
|
|
|
|
|
|
|
|
|
|
;;;;;;;;;;;;;;;;;;;;;;;;;
|
|
;; ;;
|
|
;; Update Cable status ;;
|
|
;; ;;
|
|
;;;;;;;;;;;;;;;;;;;;;;;;;
|
|
|
|
align 4
|
|
cable:
|
|
DEBUGF 1,"Checking Cable status: "
|
|
|
|
mov edx, dword [device.io_addr]
|
|
add edx, REG_MSR
|
|
in al , dx
|
|
|
|
; test al , 1 SHL 2 ; 0 = link ok 1 = link fail
|
|
; jnz .notconnected
|
|
|
|
; test al , 1 SHL 3 ; 0 = 100 Mbps 1 = 10 Mbps
|
|
; jnz .10mbps
|
|
|
|
shr al, 2
|
|
and al, 3
|
|
|
|
mov byte [device.mode+3], al
|
|
DEBUGF 1,"Done!\n"
|
|
ret
|
|
|
|
|
|
|
|
;;;;;;;;;;;;;;;;;;;;;;;
|
|
;; ;;
|
|
;; Write MAC address ;;
|
|
;; ;;
|
|
;;;;;;;;;;;;;;;;;;;;;;;
|
|
|
|
align 4
|
|
write_mac: ; in: mac pushed onto stack (as 3 words)
|
|
|
|
DEBUGF 2,"Writing MAC: "
|
|
|
|
; disable all in command registers
|
|
|
|
set_io 0
|
|
set_io REG_9346CR
|
|
xor eax, eax
|
|
out dx , al
|
|
|
|
set_io REG_IMR
|
|
xor eax, eax
|
|
out dx , ax
|
|
|
|
set_io REG_ISR
|
|
mov eax, -1
|
|
out dx , ax
|
|
|
|
; enable writing
|
|
|
|
set_io REG_9346CR
|
|
mov eax, REG_9346CR_WE
|
|
out dx , al
|
|
|
|
; write the mac ...
|
|
|
|
set_io REG_IDR0
|
|
pop eax
|
|
out dx , eax
|
|
|
|
set_io REG_IDR0+4
|
|
xor eax, eax
|
|
pop ax
|
|
out dx , eax
|
|
|
|
; disable writing
|
|
|
|
set_io REG_9346CR
|
|
xor eax, eax
|
|
out dx , al
|
|
|
|
DEBUGF 2,"ok!\n"
|
|
|
|
; Notice this procedure does not ret, but continues to read_mac instead.
|
|
|
|
|
|
;;;;;;;;;;;;;;;;;;;;;;
|
|
;; ;;
|
|
;; Read MAC address ;;
|
|
;; ;;
|
|
;;;;;;;;;;;;;;;;;;;;;;
|
|
|
|
read_mac:
|
|
DEBUGF 2,"Reading MAC: "
|
|
|
|
set_io 0
|
|
lea edi, [device.mac]
|
|
in eax, dx
|
|
stosd
|
|
add edx, 4
|
|
in ax, dx
|
|
stosw
|
|
|
|
DEBUGF 2,"%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
|
|
|
|
ret
|
|
|
|
|
|
|
|
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
|
|
;; ;;
|
|
;; Read eeprom (type 93c46 and 93c56) ;;
|
|
;; ;;
|
|
;; In: word to be read in al (6bit in case of 93c46 and 8bit otherwise) ;;
|
|
;; pointer to device structure in ebx ;;
|
|
;; ;;
|
|
;; OUT: word read in ax ;;
|
|
;; ;;
|
|
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
|
|
|
|
align 4
|
|
read_eeprom:
|
|
DEBUGF 2,"Reading eeprom, "
|
|
|
|
set_io 0
|
|
push ebx
|
|
movzx ebx, al
|
|
set_io REG_RXCONFIG
|
|
in al, dx
|
|
test al, (1 shl BIT_9356SEL)
|
|
jz .type_93c46
|
|
; and bl, 01111111b ; don't care first bit
|
|
or bx, EE_93C56_READ_CMD ; it contains start bit
|
|
mov cx, EE_93C56_CMD_LENGTH-1 ; cmd_loop counter
|
|
jmp .read_eeprom
|
|
.type_93c46:
|
|
and bl, 00111111b
|
|
or bx, EE_93C46_READ_CMD ; it contains start bit
|
|
mov cx, EE_93C46_CMD_LENGTH-1 ; cmd_loop counter
|
|
.read_eeprom:
|
|
set_io REG_9346CR
|
|
; mov al, (1 shl BIT_93C46_EEM1)
|
|
; out dx, al
|
|
mov al, (1 shl BIT_93C46_EEM1) or (1 shl BIT_93C46_EECS) ; wake up the eeprom
|
|
out dx, al
|
|
.cmd_loop:
|
|
mov al, (1 shl BIT_93C46_EEM1) or (1 shl BIT_93C46_EECS)
|
|
bt bx, cx
|
|
jnc .zero_bit
|
|
or al, (1 shl BIT_93C46_EEDI)
|
|
.zero_bit:
|
|
out dx, al
|
|
; push eax
|
|
; in eax, dx ; eeprom delay
|
|
; pop eax
|
|
or al, (1 shl BIT_93C46_EESK)
|
|
out dx, al
|
|
; in eax, dx ; eeprom delay
|
|
dec cx
|
|
jns .cmd_loop
|
|
; in eax, dx ; eeprom delay
|
|
mov al, (1 shl BIT_93C46_EEM1) or (1 shl BIT_93C46_EECS)
|
|
out dx, al
|
|
mov cl, 0xf
|
|
.read_loop:
|
|
shl ebx, 1
|
|
mov al, (1 shl BIT_93C46_EEM1) or (1 shl BIT_93C46_EECS) or (1 shl BIT_93C46_EESK)
|
|
out dx, al
|
|
; in eax, dx ; eeprom delay
|
|
in al, dx
|
|
and al, (1 shl BIT_93C46_EEDO)
|
|
jz .dont_set
|
|
inc ebx
|
|
.dont_set:
|
|
mov al, (1 shl BIT_93C46_EEM1) or (1 shl BIT_93C46_EECS)
|
|
out dx, al
|
|
; in eax, dx ; eeprom delay
|
|
dec cl
|
|
jns .read_loop
|
|
xor al, al
|
|
out dx, al
|
|
mov ax, bx
|
|
pop ebx
|
|
|
|
ret
|
|
|
|
|
|
; End of code
|
|
|
|
align 4 ; Place all initialised data here
|
|
|
|
RTL8139_DEV dd 0
|
|
version dd (5 shl 16) or (API_VERSION and 0xFFFF)
|
|
my_service db 'RTL8139',0 ; max 16 chars include zero
|
|
|
|
device_1 db 'Realtek 8139',0
|
|
device_2 db 'Realtek 8139A',0
|
|
device_3 db 'Realtek 8139B',0
|
|
device_4 db 'Realtek 8139C',0
|
|
device_5 db 'Realtek 8100',0
|
|
device_6 db 'Realtek 8139D',0
|
|
device_7 db 'Realtek 8139CP',0
|
|
device_8 db 'Realtek 8101',0
|
|
|
|
crosslist dd device_1
|
|
dd device_2
|
|
dd device_3
|
|
dd device_4
|
|
dd device_5
|
|
dd device_6
|
|
dd device_7
|
|
dd device_8
|
|
|
|
hw_ver_array db VER_RTL8139 ; This array is used by the probe routine to find out wich version of the RTL8139 we are working with
|
|
db VER_RTL8139A
|
|
db VER_RTL8139B
|
|
db VER_RTL8139C
|
|
db VER_RTL8100
|
|
db VER_RTL8139D
|
|
db VER_RTL8139CP
|
|
db VER_RTL8101
|
|
|
|
HW_VER_ARRAY_SIZE = $-hw_ver_array
|
|
|
|
include_debug_strings ; All data wich FDO uses will be included here
|
|
|
|
section '.data' data readable writable align 16 ; place all uninitialized data place here
|
|
|
|
RTL8139_LIST rd MAX_RTL8139 ; This list contains all pointers to device structures the driver is handling
|
|
|