--
--****************************************************************************
--*                                                                          *
--*  Copyright (c) 2001                                                      *
--*  by DIGITAL Equipment Corporation, Maynard, Mass.                        *
--*                                                                          *
--*  This software is furnished under a license and may be used and  copied  *
--*  only  in  accordance  with  the  terms  of  such  license and with the  *
--*  inclusion of the above copyright notice.  This software or  any  other  *
--*  copies  thereof may not be provided or otherwise made available to any  *
--*  other person.  No title to and ownership of  the  software  is  hereby  *
--*  transferred.                                                            *
--*                                                                          *
--*  The information in this software is subject to change  without  notice  *
--*  and  should  not  be  construed  as  a commitment by DIGITAL Equipment  *
--*  Corporation.                                                            *
--*                                                                          *
--*  DIGITAL assumes no responsibility for the use or  reliability  of  its  *
--*  software on equipment which is not supplied by DIGITAL.                 *
--*                                                                          *
--****************************************************************************
--********************************************************************************************************************
-- Created: 15-MAR-2001 22:50:05 by OpenVMS SDL EV1-33     
-- Source:  30-JAN-1992 21:59:06 $11$DUA933:[LIB_ADA.LIS]ARCDEF.SDL;1 
--********************************************************************************************************************
with SYSTEM; use SYSTEM;
with STARLET; use STARLET;
with CONDITION_HANDLING; use CONDITION_HANDLING;
 
package ARCDEF is
 
--  module $ARCDEF
 
--+
--
-- Bit definitions for EXE$GL_ARCHFLAG - flags for VAX architecture differences
--
---
 
    ARC_M_CHAR_EMUL		: constant := 16#00000010#;
    ARC_M_DCML_EMUL		: constant := 16#00000020#;
    ARC_M_EDPC_EMUL		: constant := 16#00000040#;
    ARC_M_CRC_EMUL		: constant := 16#00000080#;
    ARC_M_DFLT_EMUL		: constant := 16#00000100#;
    ARC_M_FFLT_EMUL		: constant := 16#00000200#;
    ARC_M_GFLT_EMUL		: constant := 16#00000400#;
    ARC_M_HFLT_EMUL		: constant := 16#00000800#;
    ARC_M_EMOD_EMUL		: constant := 16#00001000#;
    ARC_M_POLY_EMUL		: constant := 16#00002000#;
    ARC_M_VIRT_SCB		: constant := 16#00004000#;
    ARC_M_VIRT_SPT		: constant := 16#00008000#;
    ARC_M_VIRT_PCB		: constant := 16#00010000#;
    ARC_M_LOAD_SMP		: constant := 16#00020000#;
    ARC_M_CRAMIO		: constant := 16#00040000#;
    ARC_M_XPA			: constant := 16#00080000#;
    ARC_M_XVA			: constant := 16#00100000#;
    ARC_M_INTLCK_EMUL		: constant := 16#00200000#;
 
    type ARC_TYPE is
	record
	    FILLER_1	: UNSIGNED_4;					-- 
	    CHAR_EMUL	: BOOLEAN;					--  Char Str Ins Emul 
	    DCML_EMUL	: BOOLEAN;					--  Decimal String Emul
	    EDPC_EMUL	: BOOLEAN;					--  EDITPC Instr Emul 
	    CRC_EMUL	: BOOLEAN;					--  CRC Instr Emul
	    DFLT_EMUL	: BOOLEAN;					--  D-flt Data Type Emul
	    FFLT_EMUL	: BOOLEAN;					--  F-flt Data Type Emul
	    GFLT_EMUL	: BOOLEAN;					--  G-flt Data Type Emul
	    HFLT_EMUL	: BOOLEAN;					--  H-flt Data Type Emul
	    EMOD_EMUL	: BOOLEAN;					--  EMOD Instr Emul
	    POLY_EMUL	: BOOLEAN;					--  POLY Instr Emul
	    VIRT_SCB	: BOOLEAN;					--  SCB located in virtual memory
	    VIRT_SPT	: BOOLEAN;					--  SPT located in virtual memory
	    VIRT_PCB	: BOOLEAN;					--  HWPCB located in virtual memory
	    LOAD_SMP	: BOOLEAN;					--  Load SMP uncoditionally
	    CRAMIO	: BOOLEAN;					--  Laser CRAM I/O system
	    XPA		: BOOLEAN;					--  Extended physical addressing
	    XVA		: BOOLEAN;					--  Extended virtual addressing
	    INTLCK_EMUL	: BOOLEAN;					--  System requires interlock emulation on bus
	    FILLER_2	: UNSIGNED_10;					--  
	end record;
 
	    for ARC_TYPE use 
		record
		    FILLER_1	at 0 range 0 .. 3;
		    CHAR_EMUL	at 0 range 4 .. 4;
		    DCML_EMUL	at 0 range 5 .. 5;
		    EDPC_EMUL	at 0 range 6 .. 6;
		    CRC_EMUL	at 0 range 7 .. 7;
		    DFLT_EMUL	at 1 range 0 .. 0;
		    FFLT_EMUL	at 1 range 1 .. 1;
		    GFLT_EMUL	at 1 range 2 .. 2;
		    HFLT_EMUL	at 1 range 3 .. 3;
		    EMOD_EMUL	at 1 range 4 .. 4;
		    POLY_EMUL	at 1 range 5 .. 5;
		    VIRT_SCB	at 1 range 6 .. 6;
		    VIRT_SPT	at 1 range 7 .. 7;
		    VIRT_PCB	at 2 range 0 .. 0;
		    LOAD_SMP	at 2 range 1 .. 1;
		    CRAMIO	at 2 range 2 .. 2;
		    XPA		at 2 range 3 .. 3;
		    XVA		at 2 range 4 .. 4;
		    INTLCK_EMUL	at 2 range 5 .. 5;
		    FILLER_2	at 2 range 6 .. 15;
		end record;
	    for ARC_TYPE'SIZE use 32;
 
    ARC_TYPE_INIT : constant ARC_TYPE := 
	    (FILLER_1	=> 0,
	    CHAR_EMUL	=> FALSE,
	    DCML_EMUL	=> FALSE,
	    EDPC_EMUL	=> FALSE,
	    CRC_EMUL	=> FALSE,
	    DFLT_EMUL	=> FALSE,
	    FFLT_EMUL	=> FALSE,
	    GFLT_EMUL	=> FALSE,
	    HFLT_EMUL	=> FALSE,
	    EMOD_EMUL	=> FALSE,
	    POLY_EMUL	=> FALSE,
	    VIRT_SCB	=> FALSE,
	    VIRT_SPT	=> FALSE,
	    VIRT_PCB	=> FALSE,
	    LOAD_SMP	=> FALSE,
	    CRAMIO	=> FALSE,
	    XPA		=> FALSE,
	    XVA		=> FALSE,
	    INTLCK_EMUL	=> FALSE,
	    FILLER_2	=> 0);
 
end ARCDEF;