--********************************************************************************************************************
-- Created:  9-Mar-2021 22:28:16 by OpenVMS SDL EV3-3      
-- Source:  09-JUN-1993 14:45:59 $1$DGA8085:[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_S_ARCDEF		: constant := 4;
 
    type ARCDEF_BITS_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
	    FILLER_2	: UNSIGNED_14;					--  
	end record;
 
	    for ARCDEF_BITS_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;
		    FILLER_2	at 2 range 2 .. 15;
		end record;
	    for ARCDEF_BITS_TYPE'SIZE use 32;
 
    ARCDEF_BITS_TYPE_INIT : constant ARCDEF_BITS_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,
	    FILLER_2	=> 0);
 
    type ARC_TYPE is
	record
	    ARCDEF_BITS	: ARCDEF_BITS_TYPE;
	end record;
 
	    for ARC_TYPE use 
		record
		    ARCDEF_BITS	at 0 range 0 .. 31;
		end record;
	    for ARC_TYPE'SIZE use 32;
 
    ARC_TYPE_INIT : constant ARC_TYPE := 
	    (
	    ARCDEF_BITS	=> ARCDEF_BITS_TYPE_INIT);
 
end ARCDEF;