forked from KolibriOS/kolibrios
Fixed PCnet32 ethernet driver
git-svn-id: svn://kolibrios.org@781 a494cfbc-eb01-0410-851d-a64ba20cac60
This commit is contained in:
hidnplayr
parent
c521e1fc73
commit
b384868a4d
@ -7,7 +7,13 @@
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;; ;;
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;; Ethernet driver for Menuet OS ;;
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;; ;;
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;; Version 1.0 31 July 2004 ;;
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;; - Version 1.0 31 July 2004: ;;
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;; Initial release ;;
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;; ;;
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;; - Version 1.01 29 March 2008: ;;
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;; Adapted to work with kolibrios flat kernel ;;
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;; Debug info is updated, and now uses DEBUGF macro ;;
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;; by hidnplayr@kolibrios.org ;;
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;; ;;
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;; This driver is based on the PCNet32 driver from ;;
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;; the etherboot 5.0.6 project. The copyright statement is ;;
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@ -25,24 +31,6 @@
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$Revision$
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;macro PutStr X
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;{
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; local .__xyz1
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; local .__xyz2
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; push esi
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; mov esi,.__xyz1
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; call sys_msg_board_str
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; push ebx
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; mov ebx,1
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; call delay_hs
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; pop ebx
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; jmp .__xyz2
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;.__xyz1:
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; db X
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; db 13,10,0
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;.__xyz2:
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; pop esi
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;}
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PCNET32_PORT_AUI equ 0x00
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PCNET32_PORT_10BT equ 0x01
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PCNET32_PORT_GPSI equ 0x02
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@ -52,8 +40,10 @@ PCNET32_PORT_ASEL equ 0x04
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PCNET32_PORT_100 equ 0x40
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PCNET32_PORT_FD equ 0x80
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PCNET32_DMA_MASK equ 0xffffffff
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PCNET32_LOG_TX_BUFFERS equ 1
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PCNET32_LOG_RX_BUFFERS equ 2
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PCNET32_TX_RING_SIZE equ (1 shl PCNET32_LOG_TX_BUFFERS)
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PCNET32_TX_RING_MOD_MASK equ (PCNET32_TX_RING_SIZE-1)
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PCNET32_TX_RING_LEN_BITS equ 0
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@ -62,10 +52,12 @@ PCNET32_RX_RING_MOD_MASK equ (PCNET32_RX_RING_SIZE-1)
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PCNET32_RX_RING_LEN_BITS equ (PCNET32_LOG_RX_BUFFERS shl 4)
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PCNET32_PKT_BUF_SZ equ 1544
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PCNET32_PKT_BUF_SZ_NEG equ 0xf9f8
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pcnet32_txb equ (eth_data_start)
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pcnet32_rxb equ ((pcnet32_txb+(PCNET32_PKT_BUF_SZ*PCNET32_TX_RING_SIZE)+0xf) and 0xfffffff0)
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pcnet32_tx_ring equ ((pcnet32_rxb+(PCNET32_PKT_BUF_SZ*PCNET32_RX_RING_SIZE)+0xf) and 0xfffffff0)
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pcnet32_rx_ring equ ((pcnet32_tx_ring+(16*PCNET32_TX_RING_SIZE)+0xf) and 0xfffffff0)
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virtual at ((pcnet32_rx_ring+(16*PCNET32_RX_RING_SIZE)+0xf) and 0xfffffff0)
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pcnet32_private:
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.mode dw ?
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@ -89,6 +81,7 @@ pcnet32_private:
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.fset db ?
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.fdx db ?
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end virtual
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virtual at 0
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pcnet32_rx_head:
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.base dd ?
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@ -97,6 +90,7 @@ pcnet32_rx_head:
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.msg_length dd ?
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.reserved dd ?
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end virtual
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virtual at 0
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pcnet32_tx_head:
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.base dd ?
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@ -339,6 +333,8 @@ pcnet32_dwio:
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dd pcnet32_dwio_reset
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endg
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pcnet32_init_ring:
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mov [pcnet32_private.tx_full],0
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mov [pcnet32_private.cur_rx],0
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@ -348,6 +344,7 @@ pcnet32_init_ring:
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mov edi,pcnet32_rx_ring
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mov ecx,PCNET32_RX_RING_SIZE
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mov ebx,pcnet32_rxb
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sub ebx,OS_BASE
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.rx_init:
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mov [edi+pcnet32_rx_head.base],ebx
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mov [edi+pcnet32_rx_head.buf_length],word PCNET32_PKT_BUF_SZ_NEG
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@ -369,9 +366,17 @@ pcnet32_init_ring:
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cld
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movsd
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movsw
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mov dword [pcnet32_private.rx_ring],pcnet32_rx_ring
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mov dword [pcnet32_private.tx_ring],pcnet32_tx_ring
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mov eax,pcnet32_rx_ring
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sub eax,OS_BASE
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mov dword [pcnet32_private.rx_ring],eax
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mov eax,pcnet32_tx_ring
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sub eax,OS_BASE
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mov dword [pcnet32_private.tx_ring],eax
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ret
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pcnet32_reset:
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; Reset PCNET32
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mov ebp,[io_addr]
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@ -443,7 +448,7 @@ pcnet32_reset:
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test [pcnet32_private.options],PCNET32_PORT_ASEL
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jz .L9
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mov ebx,32
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; PutStr "ASEL, enable auto-negotiation"
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; DEBUGF 1," K : ASEL, enable auto-negotiation\n"
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call dword [pcnet32_access.read_bcr]
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and eax,not 0x98
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or eax,0x20
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@ -465,9 +470,11 @@ pcnet32_reset:
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call pcnet32_init_ring
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mov ebx,1
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mov eax,pcnet32_private
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sub eax,OS_BASE
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and eax,0xffff
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call dword [pcnet32_access.write_csr]
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mov eax,pcnet32_private
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sub eax,OS_BASE
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mov ebx,2
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shr eax,16
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call dword [pcnet32_access.write_csr]
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@ -485,14 +492,17 @@ pcnet32_reset:
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jnz .L12
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loop .L11
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.L12:
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; PutStr "hardware reset"
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; DEBUGF 1," K : hardware reset\n"
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xor ebx,ebx
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mov eax,0x0002
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call dword [pcnet32_access.write_csr]
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xor ebx,ebx
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call dword [pcnet32_access.read_csr]
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; PutStr "PCNET reset complete"
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; DEBUGF 1," K : PCNET reset complete\n"
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ret
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pcnet32_adjust_pci_device:
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;*******Get current setting************************
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mov al, 2 ;read a word
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@ -534,6 +544,10 @@ pcnet32_adjust_pci_device_Latency:
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;******Check latency setting***********
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pcnet32_adjust_pci_device_Done:
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ret
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pcnet32_probe:
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mov ebp,[io_addr]
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call pcnet32_wio_reset
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@ -544,7 +558,7 @@ pcnet32_probe:
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call pcnet32_wio_check
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and al,al
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jz .try_dwio
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; PutStr "Using WIO"
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; DEBUGF 1," K : Using WIO\n"
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mov esi,pcnet32_wio
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jmp .L1
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.try_dwio:
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@ -556,11 +570,11 @@ pcnet32_probe:
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call pcnet32_dwio_check
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and al,al
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jz .no_dev
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; PutStr "Using DWIO"
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; DEBUGF 1," K : Using DWIO\n"
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mov esi,pcnet32_dwio
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jmp .L1
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.no_dev:
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; PutStr "PCNET32 not found"
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DEBUGF 1," K : PCNET32 not found\n"
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ret
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.L1:
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mov edi,pcnet32_access
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@ -581,7 +595,7 @@ pcnet32_probe:
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shr eax,12
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and eax,0xffff
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mov [pcnet32_private.chip_version],eax
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; PutStr "PCNET32 chip version OK"
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; DEBUGF 1," K : PCNET32 chip version OK\n"
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mov [pcnet32_private.fdx],0
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mov [pcnet32_private.mii],0
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mov [pcnet32_private.fset],0
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@ -604,45 +618,45 @@ pcnet32_probe:
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je .L8
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cmp eax,0x2627
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je .L9
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; PutStr "Invalid chip rev"
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DEBUGF 1," K : Invalid chip rev\n"
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jmp .no_dev
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.L2:
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; PutStr "PCnet/PCI 79C970"
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; DEBUGF 1," K : PCnet/PCI 79C970\n"
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jmp .L10
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.L3:
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; PutStr "PCnet/PCI 79C970"
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; DEBUGF 1," K : PCnet/PCI 79C970\n"
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jmp .L10
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.L4:
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; PutStr "PCnet/PCI II 79C970A"
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; DEBUGF 1," K : PCnet/PCI II 79C970A\n"
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mov [pcnet32_private.fdx],1
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jmp .L10
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.L5:
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; PutStr "PCnet/FAST 79C971"
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; DEBUGF 1," K : PCnet/FAST 79C971\n"
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mov [pcnet32_private.fdx],1
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mov [pcnet32_private.mii],1
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mov [pcnet32_private.fset],1
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mov [pcnet32_private.ltint],1
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jmp .L10
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.L6:
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; PutStr "PCnet/FAST+ 79C972"
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; DEBUGF 1," K : PCnet/FAST+ 79C972\n"
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mov [pcnet32_private.fdx],1
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mov [pcnet32_private.mii],1
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mov [pcnet32_private.fset],1
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jmp .L10
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.L7:
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; PutStr "PCnet/FAST III 79C973"
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; DEBUGF 1," K : PCnet/FAST III 79C973\n"
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mov [pcnet32_private.fdx],1
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mov [pcnet32_private.mii],1
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jmp .L10
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.L8:
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; PutStr "PCnet/Home 79C978"
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; DEBUGF 1," K : PCnet/Home 79C978\n"
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mov [pcnet32_private.fdx],1
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mov ebx,49
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call dword [pcnet32_access.read_bcr]
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call dword [pcnet32_access.write_bcr]
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jmp .L10
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.L9:
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; PutStr "PCnet/FAST III 79C975"
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; DEBUGF 1," K : PCnet/FAST III 79C975\n"
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mov [pcnet32_private.fdx],1
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mov [pcnet32_private.mii],1
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.L10:
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@ -669,9 +683,9 @@ pcnet32_probe:
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stosb
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inc edx
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loop .Lmac
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; PutStr "MAC read"
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; DEBUGF 1," K : MAC read\n"
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call pcnet32_adjust_pci_device
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; PutStr "PCI done"
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; DEBUGF 1," K : PCI done\n"
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mov eax,PCNET32_PORT_ASEL
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mov [pcnet32_private.options],eax
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mov [pcnet32_private.mode],word 0x0003
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@ -683,9 +697,14 @@ pcnet32_probe:
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movsw
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mov [pcnet32_private.filter],dword 0
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mov [pcnet32_private.filter+4],dword 0
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mov dword [pcnet32_private.rx_ring],pcnet32_rx_ring
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mov dword [pcnet32_private.tx_ring],pcnet32_tx_ring
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; PutStr "Switching to 32"
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mov eax,pcnet32_rx_ring
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sub eax,OS_BASE
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mov dword [pcnet32_private.rx_ring],eax
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mov eax,pcnet32_tx_ring
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sub eax,OS_BASE
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mov dword [pcnet32_private.tx_ring],eax
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; DEBUGF 1," K : Switching to 32\n"
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mov ebx,20
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mov eax,2
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call dword [pcnet32_access.write_bcr]
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@ -704,8 +723,11 @@ pcnet32_probe:
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mov eax, [pci_data]
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mov [eth_status], eax
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ret
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pcnet32_poll:
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xor eax,eax
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xor ax,ax
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mov [eth_rx_data_len],ax
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mov eax,[pcnet32_private.cur_rx]
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and eax,PCNET32_RX_RING_MOD_MASK
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@ -719,11 +741,11 @@ pcnet32_poll:
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jnz .L1
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cmp ch,3
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jne .L1
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; PutStr "PCNETRX"
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mov ecx,[ebx+pcnet32_rx_head.msg_length]
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and ecx,0xfff
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sub ecx,4
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mov [eth_rx_data_len],cx
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; DEBUGF 1," K : PCNETRX: %ub\n",cx
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push ecx
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shr ecx,2
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mov edi,Ether_buffer
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@ -737,6 +759,10 @@ pcnet32_poll:
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inc [pcnet32_private.cur_rx]
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.L1:
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ret
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; Pointer to 48 bit destination address in edi
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; Type of packet in bx
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; size of packet in ecx
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@ -746,7 +772,7 @@ pcnet32_xmit:
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push esi
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push ebx
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push ecx
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; PutStr "PCNETTX"
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; DEBUGF 1," K : PCNETTX\n"
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mov esi,edi
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mov edi,[pcnet32_private.cur_tx]
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imul edi,PCNET32_PKT_BUF_SZ
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@ -790,6 +816,7 @@ pcnet32_xmit:
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neg cx
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mov [edi+pcnet32_tx_head.length],cx
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mov [edi+pcnet32_tx_head.misc],dword 0
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sub eax,OS_BASE
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mov [edi+pcnet32_tx_head.base],eax
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mov [edi+pcnet32_tx_head.status],word 0x8300
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; trigger an immediate send poll
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@ -811,7 +838,7 @@ pcnet32_xmit:
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call delay_ms
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jnz .L2
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.L4:
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; PutStr "PCNET: Send timeout"
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DEBUGF 1," K : PCNET: Send timeout\n"
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.L3:
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mov dword [edi+pcnet32_tx_head.base],0
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pop ecx
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