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version equ 2 include defs.asm ;Ported from Tim Krauskopf's micnet.asm, an assembly language ;driver for the MICOM-Interlan NI5210, by Russell Nelson. Any bugs ;are due to Russell Nelson. ;Updated to version 1.08 Feb. 17, 1989 by Russell Nelson. ;Updated to support 1500 byte MTU April 27, 1989 By Brad Clements. ; Copyright, 1988-1992, Russell Nelson, Crynwr Software ; This program is free software; you can redistribute it and/or modify ; it under the terms of the GNU General Public License as published by ; the Free Software Foundation, version 1. ; ; This program is distributed in the hope that it will be useful, ; but WITHOUT ANY WARRANTY; without even the implied warranty of ; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the ; GNU General Public License for more details. ; ; You should have received a copy of the GNU General Public License ; along with this program; if not, write to the Free Software ; Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. code segment word public assume cs:code, ds:code ; ; Equates for controlling the MICOM board ; ; I/O addresses, writing anything in AL trips these gates ; ; First six addresses are the EPROM board Ether address (read) ; IORESET EQU 0 ; reset the board IOCA EQU 1 ; execute command which is in SCB IODIS EQU 2 ; disable network connect IOENA EQU 3 ; enable network IOINTON EQU 4 ; enable interrupts IOINTOF EQU 5 ; disable interrupts, '586 thinks it still ints ; ; Data segment ; public int_no int_no db 2,0,0,0 ; interrupt number. io_addr dw 0360h,0 ; I/O address for card (jumpers) base_addr dw 0d000h,0 ; base segment for board (jumper set) public driver_class, driver_type, driver_name, driver_function, parameter_list driver_class db BLUEBOOK, IEEE8023, 0 ;from the packet spec driver_type db 11 ;from the packet spec driver_name db "NI5210",0 ;name of the driver. driver_function db 2 parameter_list label byte db 1 ;major rev of packet driver db 9 ;minor rev of packet driver db 14 ;length of parameter list db EADDR_LEN ;length of MAC-layer address dw GIANT ;MTU, including MAC headers dw MAX_MULTICAST * EADDR_LEN ;buffer size of multicast addrs dw 0 ;(# of back-to-back MTU rcvs) - 1 dw 0 ;(# of successive xmits) - 1 int_num dw 0 ;Interrupt # to hook for post-EOI ;processing, 0 == none, enable_network: ; connect to network loadport setport IOENA ; enable network out dx,al ; any al value ret reset_586: ; Reset the chip loadport setport IORESET out dx,al ret public get_address get_address: ;get the address of the interface. ;enter with es:di -> place to get the address, cx = size of address buffer. ;exit with nc, cx = actual size of address, or cy if buffer not big enough. assume ds:code cmp cx,EADDR_LEN ;make sure that we have enough room. jb get_address_2 mov cx,EADDR_LEN mov dx,io_addr ; Get our IO base address. cld get_address_1: in al,dx ; get a byte of the eprom address stosb ; put it away inc dx ; next register loop get_address_1 ; go back for rest mov cx,EADDR_LEN clc ret get_address_2: stc ret doca: ;we may be called from places in which ds is unknown. assume ds:nothing loadport setport IOCA out dx,al ; send it ret assume ds:code ;yet, we really should assume ds==code for the rest of this stuff. ; ; Here we include the code that is common between 82586 implementations. ; Everything above this is resident. include 82586.asm ; Everything below this is discarded upon installation. public usage_msg usage_msg db "usage: ni5210 [-n] [-d] [-w] <packet_int_no> <int_no> <io_addr> <base_addr>",CR,LF,'$' public copyright_msg copyright_msg db "Packet driver for the MICOM-Interlan NI5210, version ",'0'+(majver / 10),'0'+(majver mod 10),".",'0'+version,".",'0'+i82586_version,CR,LF db "Portions Copyright 1988 The Board of Trustees of the University of Illinois",CR,LF,'$' check_board: mov SCP,1 mov dx,io_addr ; i/o address add dx,EADDR_LEN ; look past the ethernet address. in al,dx mov bl,al ; assemble pattern to check inc dx in al,dx mov bh,al cmp bx,05500h ; pattern known to be there in ROM jz have_5210_io pop dx ;drop our return address mov dx,offset no_5210_io_msg jmp error have_5210_io: mov ax,base_addr mov cx,2000h ;test only what we are going to use. call memory_test jz have_5210_mem pop dx ;drop our return address mov dx,offset no_5210_mem_msg jmp error have_5210_mem: ret no_5210_io_msg db "No 5210 found at that I/O address.",CR,LF,'$' no_5210_mem_msg db "No 5210 found at that memory address.",CR,LF,'$' public parse_args parse_args: mov di,offset int_no call get_number mov di,offset io_addr call get_number mov di,offset base_addr call get_number clc ret int_no_name db "Interrupt number ",'$' io_addr_name db "I/O port ",'$' base_addr_name db "Memory address ",'$' public print_parameters print_parameters: mov di,offset int_no mov dx,offset int_no_name call print_number mov di,offset io_addr mov dx,offset io_addr_name call print_number mov ax,memory_begin mov cl,4 shr ax,cl add base_addr,ax push ax mov di,offset base_addr mov dx,offset base_addr_name call print_number pop ax sub base_addr,ax ret include memtest.asm code ends end 
