board_at.equ

VRTX 商用嵌入式实时操作系统

;-============================================================
;    @(#)BOARD_at.EQU    6.2    11/18/94
;        Becomes BOARDSET.INC after mct copies it
;    File:    BOARD_AT.EQU (originally board.EQU ) [for 8086]
;    Created: Nov 1, 1990
;    11/18/94  J. Jefferies modified for 386EX eval board
;
;
;-============================================================
;
;                 XRAYMON Board Support
;                         for
;
; Polled I/O
;
;
;    This file patched by menu program as boardset.inc
;    Specific values will be set where $str$ found
;
;-============================================================
; Board setup include file for monitor
; CPU family designators
%SET (CPU80386,20h)
%SET (CPU80486,40h)
%SET (CPUPENTIUM,80h)
%SET (CPUI386EX,100h)
%SET (CPUNS486,200h)
; I/O baud rates
%SET (IO115200,8)
%SET (IO57600,7)
%SET (IO38400,6)
%SET (IO19200,1)
%SET (IO9600,2)
%SET (IO4800,3)
%SET (IO2400,4)
%SET (IO1200,5)
;
; Parity styles for I/O init
%SET (PAR_NONE,0)
%SET (PAR_ODD,1)
%SET (PAR_EVEN,2)
%SET (PAR_SPACE,3)
%SET (PAR_MARK,4)
;
;* Output format
%SET (POLLED,1)         ; Polled I/O (with or without INTRPT)
%SET (PROBEIO,4)        ; special for pROBE I/O using VBR+44h lookup
%SET (INITIO,8)         ; 0=no init, else init (for boot start or int)
%SET (HWIO,16)          ; hardware I/O
%SET (AUXMON,32)        ; auxillary monitor started us
%SET (INTRPT,128)       ; interrupt I/O (with or without POLLED)
%SET (WITHFPU,256)      ; FPU present
; Normal configs are as follows:
;  - HWIO:
;     - W/AUXMON: [POLLED]+AUXMON
;     - NO MON:   [POLLED]+INITIO
;*-------------------------------------------------------------------------
; The next equates are set to describe the board and I/O in use
;*-------------------------------------------------------------------------
;   The following are set by MCT using menupat to patch this file
%SET (CONIO,$CONIO$)    ; set to combination of I/O flags
%SET (TARGET,$TARGT$)   ; cpu used by board - for init stuff
%SET (ABVECT,$AVECT$)   ; abort vector if any (for button abort)
%SET (BAUD,$BAUDR$)     ; set if IOINIT enabled
%SET (IOBASE,$IOBAS$)   ; base address of device I/O
%SET (IOOFF,$IOOFF$)    ; offset as 1, 2, or 4
%SET (TIMECONST,$TCONS$)        ; time constant for baud rate
%SET (INTLEVEL,$ILEVL$) ; interupt level to run at (0 is default)
%SET (IOINTVECT,$IOINT$)        ; I/O interrupt vector (or 0)
%SET (PARITY,$PARIT$)   ; I/O parity for init (if needed)
%SET (DATAAD,$DATAAD$)  ; is mo_wsp to be a part of the xdm itself? i.e. pc-at style

%SET (PC_PORT,$PC_PORT$)   ; Which COM port to use
%SET (FPU_EXCP,$FPU_EXCP$) ;how do we handle co-processor FPU exceptions
%SET (VIRT_MEM,$VIRT_MEM$) ;Do we use target Virtual memory or physical memory
%SET (NUM_8259, $NUM_8259$) ; the number of 8259's to be initialized
%SET (DEBUG_COM, $DEBUG_COM$) ; 0= no debug chars output, 1= AP to com1, 2 = AP to com2
%SET (GRAPHICS,$GRAPHICS$)       ; 1=set graphics mode on startup
%IF(%GRAPHICS EQ 1) THEN (
; Metawindows Device Modes
$include(mwmodes.inc)
) FI
%SET (METAWINDOWS_MODE,$MW_MODE$)   ; Maps to appropriate graphics mode
;
;Ethernet Initialization
%SET (RARPS,$RARPS$)
%SET (IP0,$IP0$)
%SET (IP1,$IP1$)
%SET (IP2,$IP2$)
%SET (IP3,$IP3$)
%SET (ETH0,$ETH0$)
%SET (ETH1,$ETH1$)
%SET (ETH2,$ETH2$)
%SET (ETH3,$ETH3$)
%SET (ETH4,$ETH4$)
%SET (ETH5,$ETH5$)
%SET (UDP_PORT,$UDP_PORT$)
%SET (ETH_IOADDR,$ETH_BASE_ADD$)
%SET (ETH_IRQ,$ETH_IRQ$)
%SET (ETH_CABLETYPE,$ETH_CABLE$)
%DEFINE (BASEAD) ($BASEAD$) 
;----------------------------------------------------------------------
;  EXAMPLE: the following are the settings as used during development
;  the double quote replaced the "per_cent_sign" as the preprocesser gets confused
;  if it sees the percent sign even after a ";".
;"SET (CONIO,"POLLED+"HWIO+"INTRPT+"INITIO)    ; set to combination of I/O flags
;"SET (TARGET,"CPU80386)    ; cpu used by board - for init stuff
;"SET (ABVECT,0)    ; abort vector if any (for button abort)
;"SET (BAUD,"IO9600)    ; set if IOINIT enabled
;"SET (IOBASE,03F8H)    ; base address of device I/O
;"SET (IOOFF,1)    ; offset as 1, 2, or 4
;"SET (TIMECONST,0)    ; time constant for baud rate
;"SET (INTLEVEL,1)    ; interupt level to run at (0 is default)
;"SET (IOINTVECT,20H)    ; I/O interrupt vector (or 0)
;"SET (PARITY,"PAR_NONE)    ; I/O parity for init (if needed)
;"SET (PC_PORT,1)    ; Which COM port to use
;"SET (FPU_EXCP,0) ;how do we handle co-processor FPU exceptions
;"SET (VIRT_MEM,0) ;Do we use target Virtual memory or physical memory
;   select which com port to use
;    PC_PORT==1 for com port 1 PC_PORT==2 for com port 2
;----------------------------------------------------------------------
;Definitions for use of com1  ; what should be other defaults
%IF (%PC_PORT EQ 1) THEN (
%SET (INT_ENABLE, 0efH)
) ELSE (
%SET (INT_ENABLE, 0f7H)
) FI
;    Definitions for general use of ports
%SET (RXDATA, 1)    ;data ready on com port
%SET (TXEMPTY, 020H)    ;xmit buffer empty bit
;%SET (DATA_REG, 0)    ;TX/RX data registers
;    I/O port offsets
%SET (MDM_CNTRL, 4)    ;modem control reg
%SET (IO_INTRPT_REG,1)    ;interrupt register

%IF ((%CONIO AND %AUXMON) ne 0) THEN (

MO_WSP_SIZE equ    0E00h    ; XRAYMON workspace size (incl initial stack)

                            ; Set the INIT_FLAGS
 %IF ((%CONIO AND %WITHFPU) ne 0) THEN (
  INIT_FLAG equ    COINIVECT+COAUXMON+COFPU+COIBPROM ; flags for MON_INIT
 ) ELSE (
  INIT_FLAG equ    COINIVECT+COAUXMON+COIBPROM ; flags for MON_INIT
 ) FI

) ELSE (

 MO_WSP_SIZE equ 1000h  ; XRAYMON workspace size (incl initial stack)
                        ;1000h =4K, worspace itself takes 0a8h=168 bytes

                        ; Set the INIT_FLAGS
 %IF ((%CONIO AND %WITHFPU) ne 0) THEN (
  INIT_FLAG equ    COINIVECT+COINTRPT+COFPU+COIBPROM ; flags for MON_INIT
 ) ELSE (
  INIT_FLAG equ    COINIVECT+COINTRPT+COIBPROM ; flags for MON_INIT
 ) FI
) FI      ; end for  IF(CONIO,AUXMON)
;**************For a ROM based system **************************************
; low memory     
;    MO_WSP      ->|-----|  Monitor work SPACE
;                  |     |  168. (0x00a8) bytes of XDM's internal data;
;                  |     |  stack storage - 4K just for safety could be reduced;
;    STACK_START ->|     |  Stack grows down from here;
;                  |     |  64 bytes of dead space;
;    IDT         ->|     |  Interrupt Descriptor Table;
;                  |     |   A maximum of 256 entries of 8 bytes each. This shows up as
;                  |     |      0x7ff as the IDTR limit (2048 bytes needed)
; high memory       ------
;==========================================================================
%IF (%DATAAD EQ 0) THEN(
MO_WSP             EQU $MO_WSP$ + 040h         ;the address for the ram based Workspace
; add 40H to leave room for XDM core data such as w__, IVT,...
STACK_START        EQU MO_WSP + MO_WSP_SIZE  ;the stack starts at the end
INTERRUPT_DESC_TBL EQU STACK_START +64 ;the ram based IDT STARTS 4 bytes beyond STACK
IDT_SIZE           EQU 0800H          ;specified as 7ff (1024+1)
IDT_END            EQU STACK_START + IDT_SIZE +64
TOTL_WRK_SP        EQU IDT_END - MO_WSP +1;  workspace size plus IDT et al.
)ELSE(
TOTL_WRK_SP        EQU MO_WSP_SIZE + 64  ;the workspace size plus 64 byte buffer
)FI
;==========================================================================

%IF ((%CONIO AND %PROBEIO) ne 0) THEN (
BOARD_SAVE equ    1    ; # of longs to reserve in workspace
CON_SCHEME equ    3    ; 7-bit no control chars in transmissions
) ELSE (
BOARD_SAVE equ    0    ; # of longs to reserve in workspace
 %IF (%PARITY NE 0) THEN (
CON_SCHEME equ    3    ; 7-bit no control chars in transmissions
 ) ELSE (
CON_SCHEME equ    0    ; 8-bit full control chars in transmissions
) FI
) FI
%IF ((%CONIO and (%POLLED+%INTRPT)) eq 0)
THEN (
    OUT(MUST HAVE POLLED AND/OR INTRPT)
) FI