Serving the Web/ServingTheWeb1995.disc1of1.iso/connect/tcpip/crynwr/pktd11a/exp16.inc

Text File | 1993-06-02 | 7KB | 312 lines

;    82586 Structure definitions

SysConfigPtr    struc
SCP_SystemBus        dw    ?
            dw    2 dup (?)
SCP_ISCP_Ptr_low    dw    ?
SCP_ISCP_Ptr_high    dw    ?
SysConfigPtr    ends


;----------------------------------------------------------------
; Note: The @ addresses are the I/O address offsets from [bp].
;----------------------------------------------------------------

; The SCP is at location XXX6H.  Since the
; SMB pointers must have the low order 5 bits
; zero, we assume that the SMP pointer will
; be set to XXE0H
@SysConfigPtr    struc
    db    8000h dup (?)
    dw    ?
    dw    ?
    dw    ?
@SCP_SystemBus    dw    ?
    dw    2 dup (?)
@SCP_ISCP_Ptr_low    dw    ?
@SCP_ISCP_Ptr_high    dw    ?
@SysConfigPtr    ends


ISysConfigPtr    struc
ISCP_Busy    dw    ?
ISCP_SCB_Offset    dw    ?
ISCP_Ptr_low    dw    ?
ISCP_Ptr_high    dw    ?
ISysConfigPtr    ends


; NOTE: Access to the SCB through the shadow
; registers is done by setting the SMB_PTR to
; the ISCP base address and then using this
; structure.  This is because the SCB address
; does not start on a 32 byte boundary as
; as required for the SMB_PTR.

@ISysConfigPtr    struc
    db    4000h dup (?)
@ISCP_Busy    dw    ?
@ISCP_SCB_Offset    dw    ?
@ISCP_SCB_Ptr_low    dw    ?
@ISCP_SCB_Ptr_high    dw    ?
@SCB_Status    dw    ?
@SCB_Command    dw    ?
@SCB_CommandList    dw    ?
@SCB_RecBlockList    dw    ?
    db    4000h - 16 dup (?)
@SCB_CRC_Errors    dw    ?
@SCB_ALN_Errors    dw    ?
@SCB_RSC_Errors    dw    ?
@SCB_OVR_Errors    dw    ?
@ISysConfigPtr    ends


SystemControlBlock    struc
SCB_Status    dw    ?
SCB_Command    dw    ?
SCB_CommandList    dw    ?
SCB_RecBlockList    dw    ?
SCB_CRC_Errors    dw    ?
SCB_ALN_Errors    dw    ?
SCB_RSC_Errors    dw    ?
SCB_OVR_Errors    dw    ?
SystemControlBlock    ends

; NOTE: The SCB shadow register structure is
; part of the ISysConfigPtr shadow register
; structure.

ReceiveBlock    struc
FD_Status    dw    ?
FD_Command    dw    ?
FD_Link        dw    ?
FD_RBD_Offset    dw    ?
RBD_ByteCount    dw    ?
RBD_Link    dw    ?
RBD_RB_Address_low    dw    ?
RBD_RB_Address_high    dw    ?
RBD_Size    dw    ?
RB_Data        db    RxBufferSize dup (?)
ReceiveBlock    ends

ReceiveBlock_data    struc
IPX_FD_Status    dw    ?
IPX_FD_Command    dw    ?
IPX_FD_Link    dw    ?
IPX_FD_RBD_Offset    dw    ?
IPX_RBD_ByteCount    dw    ?
IPX_RBD_Link    dw    ?
IPX_RBD_RB_Address_low    dw    ?
IPX_RBD_RB_Address_high    dw    ?
IPX_RBD_Size    dw    ?
IPX_DestAddr_HIGH    dw    ?
IPX_DestAddr_MID    dw    ?
IPX_DestAddr_LOW    dw    ?
IPX_SourceAddr_HIGH    dw    ?
IPX_SourceAddr_MID    dw    ?
IPX_SourceAddr_LOW    dw    ?
IPX_LengthTypeField    dw    ?
ReceiveBlock_data    ends


@ReceiveBlock    struc
    db    4000h dup (?)
@FD_Status    dw    ?
@FD_Command    dw    ?
@FD_Link    dw    ?
@FD_RBD_Offset    dw    ?
@RBD_ByteCount    dw    ?
@RBD_Link    dw    ?
@RBD_RB_Address_low    dw    ?
@RBD_RB_Address_high    dw    ?
    db    4000h - 16 dup (?)
@RBD_Size    dw    ?
; Ethernet Packet Data
@DestAddr_HIGH    dw    ?
@DestAddr_MID    dw    ?
@DestAddr_LOW    dw    ?
@SourceAddr_HIGH    dw    ?
@SourceAddr_MID    dw    ?
@SourceAddr_LOW    dw    ?
@LengthTypeField    dw    ?
@ReceiveBlock    ends

SendBlock    struc
TxCB_Status    dw    ?
TxCB_Command    dw    ?
TxCB_Link    dw    ?
TxCB_TBD_Offset    dw    ?
TBD_ByteCount    dw    ?
TBD_Link    dw    ?
TBD_TB_Address_low    dw    ?
TBD_TB_Address_high    dw    ?
TB_Data        db    TxBufferSize dup (?)
SendBlock    ends


@SendBlock    struc
    db    4000h dup (?)
@TxCB_Status    dw    ?
@TxCB_Command    dw    ?
@TxCB_Link    dw    ?
@TxCB_TBD_Offset    dw    ?
@TBD_ByteCount    dw    ?
@TBD_Link    dw    ?
@TBD_TB_Address_low    dw    ?
@TBD_TB_Address_high    dw    ?
    db    4000h - 16 dup (?)
@TB_Data    db    TxBufferSize dup (?)
@SendBlock    ends


CommandBlock    struc                     ;Set command block
CB_Status    dw    ?            ; Size for largest
CB_Command    dw    ?            ; command.  The Dump
CB_Link        dw    ?                ; command needs a 170
CB_Param0    dw    ?            ; byte area.  The 14
    db    170+14 dup (?)         ; extra bytes are
CommandBlock    ends                    ; padding to make the
                            ; size of this struc
                            ; boundary.
@CommandBlock    struc
    db    4000h dup (?)        ;Set command block
@CB_Status    dw    ?            ; Size for largest
@CB_Command    dw    ?            ; command.  The Dump
@CB_Link    dw    ?            ; command needs a 170
@CB_Parm0    dw    ?            ; byte area.  The 14
    db    170+14 dup (?)      ; extra bytes are
@CommandBlock    ends                    ; padding to make the
                            ; size of this struc
                            ; align on a 16 byte
SCPS        equ    SysConfigPtr
ISCPS        equ    ISysConfigPtr
SCBS        equ    SystemControlBlock

; System ControlBlock.

Bit_CX        equ    8000h
Bit_FR        equ    4000h
Bit_CNA        equ    2000h
Bit_RNR        equ    1000h

;  System Control Block's control unit statuses

CUS_Idle    equ    0000h
CUS_Suspended    equ    0100h
CUS_Active    equ    0200h
CUS_Mask    equ    0300h

;  System Control Block's receive unit statuses.
RUS_Idle    equ    0000h
RUS_Suspend    equ    0010h
RUS_No_Resource    equ    0020h
RUS_Ready    equ    0040h

;  System Control Block's control unit commands
CUC_NOP        equ    0000h
CUC_Start    equ    0100h
CUC_Resume    equ    0200h
CUC_Suspend    equ    0300h
CUC_Abort    equ    0400h

;  System Control Block's receive unit commands
RUC_NOP        equ    0000h
RUC_Start    equ    0010h
RUC_Resume    equ    0020h
RUC_Suspend    equ    0030h
RUC_Abort    equ    0040h


; General Action Command Block.

GA_NOP        equ    0000h
GA_IA_Setup    equ    0001h
GA_Configure    equ    0002h
GA_MC_Setup    equ    0003h
GA_Transmit    equ    0004h
GA_TDR        equ    0005h
GA_Dump        equ    0006h
GA_Diagnose    equ    0007h

    lock_bit_address    EQU    01H
    lock_bit_mask    EQU    0000000000000001B
    iochrdy_mask    EQU    00010000B
    iochrdy_test_mask    EQU    00100000B
    iochrdy_test_result    EQU    01000000B
    iochrdy_early    EQU    00000000B
    iochrdy_late    EQU    00010000B


; Common Bits.

Bit_C        equ    8000h    ; Command complete.
Bit_B        equ    4000h    ; Busy executing command.
Bit_OK        equ    2000h    ; Error free completion.
Bit_A        equ    1000h    ; Command aborted.

Bit_EL        equ    8000h    ; End of list.
Bit_EOF        equ    8000h    ; End of frame.
byte_Bit_EOF    equ    80h    ; End of frame.
Bit_S        equ    4000h    ; Suspend after completion.
Bit_I        equ    2000h    ; Interrupt after completion.

Bit_S11        equ    0800h
Bit_S10        equ    0400h
Bit_S9        equ    0200h
Bit_S8        equ    0100h
Bit_S7        equ    0080h
Bit_S6        equ    0040h
Bit_S5        equ    0020h

ACK_INT_Mask    equ    0f000h
MaxCollisions    equ    0020h
Ready        equ    0040h

LNK_OK        equ    8000h
XCVR_PRB    equ    4000h
ET_OPN        equ    2000h
ET_SRT        equ    1000h
TDR_TIME    equ    07ffh

;
; equates and definitions:
;
EOI        equ    020h    ;End-of-interrupt command.
Master_PIC    equ    020h    ;1st Interrupt-Control port.
Slave_PIC    equ    0A0h    ;2nd Interrupt-Control port.

Number_of_Tx_Buffers    equ    1

_586_Reset    equ    0080H
ASIC_Reset    equ    0040H

bus_width    equ    0    ;16 bit, use for initialize
initialize_586    equ    1

;
; Timer equates
;
    one_mil    EQU    02387
    ten_mils    EQU    23866


;
;  EEPROM equATES
;
EE_SK        equ    00000001B    ;EEPROM shift clock (1 = high, 0 = low)
EE_CS        equ    00000010B    ;EEPROM chip select (1 = high, 0 = low)
EE_DI        equ    00000100B    ;EEPROM data in (set to 1 for writing data to EEPROM)
EE_DO        equ    00001000B    ;EEPROM data out
EE_tick        equ    10

EEPROM_read_opcode    equ    110B
EEPROM_write_opcode    equ    101B
EEPROM_erase_opcode    equ    111B
EEPROM_EWEN_opcode    equ    10011B        ;Erase/write enable
EEPROM_EWDS_opcode    equ    10000B        ;Erase/write disable

TIME_OUT_VALUE    equ    0FFFFh

loopback_enable    equ    00000010B