----------------------------------------------------------------------------
--
-- Copyright (c) 1990, 1991, 1992 by Synopsys, Inc. All rights reserved.
--
-- This source file may be used and distributed without restriction
-- provided that this copyright statement is not removed from the file
-- and that any derivative work contains this copyright notice.
--
-- Package name: ATTRIBUTES
--
-- Purpose: This package defines the attributes associated with
-- the Synopsys VHDL System Simulator and the HDL compiler.
-- The simulator specific attributes are built into the
-- the analyzer, so this source should not be analyzed on
-- the Synopsys VHDL System Simulator. It is provided for
-- reference and portability to other systems.
--
-- Author: JT, PH, GWH, RV
--
-- Modified. Added translate_off and translate_on pairs because
-- HDL compiler does not use/support the simulator specific attributes
-- in this package.
--
----------------------------------------------------------------------------
-- Simulator specific attributes
-----------------------------------------------------------------------
--
-- attributes for type conversion functions, SDF backannotation and
-- resolution functions
--
-----------------------------------------------------------------------
package ATTRIBUTES is
--synopsys synthesis_off
attribute CLOSELY_RELATED_TCF: boolean;
attribute PROPAGATE_VALUE: string;
attribute SDT_CONDITION: string;
attribute SDT_VALUE_NAME: string;
attribute SDT_VALUE: string;
attribute REFLEXIVE: boolean;
attribute COMMUTATIVE: boolean;
attribute ASSOCIATIVE: boolean;
attribute RESULT_INITIAL_VALUE: integer;
attribute TABLE_NAME: string;
attribute REAL_NAME: string;
attribute PRIVATE: boolean;
attribute UNPRIVATE: boolean;
attribute ASIC_CELL: boolean;
attribute DIVERT_MESSAGES: boolean;
-- Note: type BUILTIN_TYPE and attributes BUILTIN and EXTRA_SPACE
-- will be phased out after Elroy. This is to move towards
-- the upcoming '92 standard.
type BUILTIN_TYPE is (VHDL_SYSTEM_PRIMITIVE, LMSI, C_BEHAVIOR,
VHDL_SYSTEM_PRIMITIVE_STD_LOGIC);
attribute BUILTIN: BUILTIN_TYPE;
attribute EXTRA_SPACE: positive;
-- Note: ### For the '92 standard, attribute FOREIGN must be
-- moved to package STANDARD.
attribute FOREIGN : STRING;
-- CLI (C Language Interface) attributes
type CLI_PIN_SENSITIVITY is (CLI_PASSIVE, CLI_EVENT, CLI_ACTIVE);
attribute CLI_ELABORATE : STRING; -- components only
attribute CLI_EVALUATE : STRING; -- components only
attribute CLI_ERROR : STRING; -- components only
attribute CLI_CLOSE : STRING; -- components only
attribute CLI_PIN : CLI_PIN_SENSITIVITY; -- components only
attribute CLI_FUNCTION : STRING; -- functions only
attribute CLI_PROCEDURE : STRING; -- procedures only
attribute CLI_POSTPONED : BOOLEAN; -- components only
-- Logic Modeling Corporation (LMC) interface attributes:
type LMSI_DELAY_TYPE_TYPE is (TYPICAL, MINIMUM, MAXIMUM);
attribute LMSI_DELAY_TYPE : LMSI_DELAY_TYPE_TYPE;
type LMSI_TIMING_MEASUREMENT_TYPE is (DISABLED, ENABLED);
attribute LMSI_TIMING_MEASUREMENT: LMSI_TIMING_MEASUREMENT_TYPE;
type LMSI_LOG_TYPE is (DISABLED, ENABLED);
attribute LMSI_LOG: LMSI_LOG_TYPE;
type LMSI_DELAY_ED_TYPE is (ENABLED, DISABLED);
attribute LMSI_DELAY: LMSI_DELAY_ED_TYPE;
type LMSI_TIMING_VIOLATIONS_TYPE is (ENABLED, DISABLED);
attribute LMSI_TIMING_VIOLATIONS: LMSI_TIMING_VIOLATIONS_TYPE;
type LMSI_XPROP_TYPE is (DISABLED, ENABLED);
attribute LMSI_XPROP: LMSI_XPROP_TYPE;
type LMSI_XPROP_METHOD_TYPE is (PREVIOUS, HIGH, LOW, FLOAT);
attribute LMSI_XPROP_METHOD: LMSI_XPROP_METHOD_TYPE;
-- Zycad XP interface attributes:
type BACKPLANE_TYPE is (XP, VERILOG, VIP);
attribute BACKPLANE: BACKPLANE_TYPE;
-- Attribute to instantiate a Model Bank component in the Zycad
-- XP box.
type ENCRYPTION_TYPE is (MODELBANK);
attribute ENCRYPTION: ENCRYPTION_TYPE;
-- Attribute to specify the EDIF file for an architecture. This
-- attribute can be specified in architecture(s) where the structural
-- information is in EDIF and we want to use it. This should be used
-- in conjunction with BACKPLANE attribute.
attribute EDIF_FILE_FOR_THIS_ARCHITECTURE: string;
attribute VERILOG_FILES_FOR_THIS_ARCHITECTURE: string;
-- The following two attributes are used to specify the physical
-- filename of the EDIF file containing the definitions of cell(s) or
-- entity(s) from a package and the EDIF library name used in the
-- above EDIF file.
attribute EDIF_LIBRARY_FILENAME: string;
attribute EDIF_LIBRARY_NAME: string;
-- XPMSW
-- XP attribute for a component which is described by a ZYCAD
-- CBMOD.
attribute ZYCAD_XP_CBMOD : BOOLEAN;
-- This attribute is used to specify the initialization file for
-- RAM(s) and ROM(s).
attribute MVL7_MEM_INITFILE: string;
-- attributes for the function units bus (funbus)
type FUNBUS_TYPE is (LAI,CBMOD);
attribute FUNBUS : FUNBUS_TYPE;
attribute CHANGE_SIMPLE_NAME : string;
attribute CHECKOUT_LICENSE : string;
attribute COMPILED_SYSTEM : boolean;
attribute USE_FULL_NAME : boolean;
attribute USE_SIMPLE_NAME : boolean;
--synopsys synthesis_on
--------------------------------------------------------------------
-- HDL compiler specific Attributes
attribute async_set_reset : string;
attribute sync_set_reset : string;
attribute async_set_reset_local : string;
attribute sync_set_reset_local : string;
attribute async_set_reset_local_all : string;
attribute sync_set_reset_local_all : string;
attribute one_hot : string;
attribute one_cold : string;
attribute infer_mux : string;
--------------------------------------------------------------------
-- design compiler constraints and attributes
attribute ARRIVAL : REAL;
attribute DONT_TOUCH : BOOLEAN;
attribute DONT_TOUCH_NETWORK : BOOLEAN;
attribute DRIVE_STRENGTH : REAL;
attribute EQUAL : BOOLEAN;
attribute FALL_ARRIVAL : REAL;
attribute FALL_DRIVE : REAL;
attribute LOAD : REAL;
attribute LOGIC_ONE : BOOLEAN;
attribute LOGIC_ZERO : BOOLEAN;
attribute MAX_AREA : REAL;
attribute MAX_DELAY : REAL;
attribute MAX_FALL_DELAY : REAL;
attribute MAX_RISE_DELAY : REAL;
attribute MAX_TRANSITION : REAL;
attribute MIN_DELAY : REAL;
attribute MIN_FALL_DELAY : REAL;
attribute MIN_RISE_DELAY : REAL;
attribute OPPOSITE : BOOLEAN;
attribute RISE_ARRIVAL : REAL;
attribute RISE_DRIVE : REAL;
attribute UNCONNECTED : BOOLEAN;
-- state machine attributes
attribute STATE_VECTOR : STRING;
-- resource sharing attributes
subtype resource is integer;
attribute ADD_OPS : STRING;
attribute DONT_MERGE_WITH : STRING;
attribute MAP_TO_MODULE : STRING;
attribute IMPLEMENTATION : STRING;
attribute MAY_MERGE_WITH : STRING;
attribute OPS : STRING;
-- general attributes
attribute ENUM_ENCODING : STRING;
-- optimization attributes
attribute TRANSFORM_CONST_MULT : boolean;
--
end ATTRIBUTES;
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