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-- EMACS settings: -*- tab-width: 2; indent-tabs-mode: t -*-
-- vim: tabstop=2:shiftwidth=2:noexpandtab
-- kate: tab-width 2; replace-tabs off; indent-width 2;
-- =============================================================================
-- Authors: Patrick Lehmann
-- Thomas B. Preusser
--
-- Package: Simulation constants, functions and utilities.
--
-- Description:
-- -------------------------------------
-- .. TODO:: No documentation available.
--
-- License:
-- =============================================================================
-- Copyright 2007-2016 Technische Universitaet Dresden - Germany
-- Chair of VLSI-Design, Diagnostics and Architecture
--
-- Licensed under the Apache License, Version 2.0 (the "License");
-- you may not use this file except in compliance with the License.
-- You may obtain a copy of the License at
--
-- http://www.apache.org/licenses/LICENSE-2.0
--
-- Unless required by applicable law or agreed to in writing, software
-- distributed under the License is distributed on an "AS IS" BASIS,
-- WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-- See the License for the specific language governing permissions and
-- limitations under the License.
-- =============================================================================
library IEEE;
use IEEE.std_logic_1164.all;
use IEEE.numeric_std.all;
use IEEE.math_real.all;
library PoC;
use PoC.utils.all;
-- use PoC.strings.all;
use PoC.vectors.all;
use PoC.physical.all;
use PoC.sim_global.all;
use PoC.sim_types.all;
use PoC.sim_protected.all;
package simulation is
-- Legacy interface for pre VHDL-2002
-- ===========================================================================
-- prepared aliases, if GHDL gets the aliases fixed. Reported on 08.02.2015 as Issue #38
-- alias simmInitialize is globalSimulationStatus.initialize[NATURAL, TIME];
-- alias simmFinalize is globalSimulationStatus.finalize[];
-- alias simmCreateTest is globalSimulationStatus.createTest[STRING return T_SIM_TEST_ID];
-- alias simmFinalizeTest is globalSimulationStatus.finalizeTest[T_SIM_TEST_ID];
-- alias simmRegisterProcess is globalSimulationStatus.registerProcess[T_SIM_TEST_ID, STRING, BOOLEAN return T_SIM_PROCESS_ID];
-- alias simmRegisterProcess is globalSimulationStatus.registerProcess[STRING, BOOLEAN return T_SIM_PROCESS_ID];
-- alias simmDeactivateProcess is globalSimulationStatus.deactivateProcess[T_SIM_PROCESS_ID];
-- alias simmIsStopped is globalSimulationStatus.isStopped[T_SIM_TEST_ID return BOOLEAN];
-- alias simmIsFinalized is globalSimulationStatus.isFinalized[T_SIM_TEST_ID return BOOLEAN];
-- alias simmIsAllFinalized is globalSimulationStatus.isAllFinalized [return BOOLEAN];
-- alias simmAssertion is globalSimulationStatus.assertion[BOOLEAN, STRING];
-- alias simmFail is globalSimulationStatus.fail[STRING];
-- alias simmWriteMessage is globalSimulationStatus.writeMessage[STRING];
procedure simInitialize(MaxAssertFailures : natural := natural'high; MaxSimulationRuntime : TIME := TIME'high);
procedure simFinalize;
impure function simCreateTest(Name : string) return T_SIM_TEST_ID;
procedure simFinalizeTest(constant TestID : T_SIM_TEST_ID);
impure function simRegisterProcess(Name : string; constant IsLowPriority : boolean := FALSE) return T_SIM_PROCESS_ID;
impure function simRegisterProcess(constant TestID : T_SIM_TEST_ID; Name : string; constant IsLowPriority : boolean := FALSE) return T_SIM_PROCESS_ID;
procedure simDeactivateProcess(ProcID : T_SIM_PROCESS_ID);
impure function simIsStopped(constant TestID : T_SIM_TEST_ID := C_SIM_DEFAULT_TEST_ID) return boolean;
impure function simIsFinalized(constant TestID : T_SIM_TEST_ID := C_SIM_DEFAULT_TEST_ID) return boolean;
impure function simIsAllFinalized return boolean;
procedure simAssertion(cond : in boolean; Message : in string := "");
procedure simFail(Message : in string := "");
procedure simWriteMessage(Message : in string := "");
-- TODO: integrate VCD simulation functions and procedures from sim_value_change_dump.vhdl here
-- checksum functions
-- ===========================================================================
-- TODO: move checksum functions here
end package;
package body simulation is
-- legacy procedures
-- ===========================================================================
-- TODO: undocumented group
procedure simInitialize(MaxAssertFailures : natural := natural'high; MaxSimulationRuntime : TIME := TIME'high) is
begin
globalSimulationStatus.initialize(MaxAssertFailures, MaxSimulationRuntime);
if C_SIM_VERBOSE then report "simInitialize:" severity NOTE; end if;
if (MaxSimulationRuntime /= time'high) then
wait for MaxSimulationRuntime;
report "simInitialize: TIMEOUT" severity ERROR;
globalSimulationStatus.finalize;
end if;
end procedure;
procedure simFinalize is
begin
globalSimulationStatus.finalize;
end procedure;
impure function simCreateTest(Name : string) return T_SIM_TEST_ID is
begin
return globalSimulationStatus.createTest(Name);
end function;
procedure simFinalizeTest(constant TestID : T_SIM_TEST_ID) is
begin
globalSimulationStatus.finalizeTest(TestID);
end procedure;
impure function simRegisterProcess(Name : string; constant IsLowPriority : boolean := FALSE) return T_SIM_PROCESS_ID is
begin
return globalSimulationStatus.registerProcess(Name, IsLowPriority);
end function;
impure function simRegisterProcess(constant TestID : T_SIM_TEST_ID; Name : string; constant IsLowPriority : boolean := FALSE) return T_SIM_PROCESS_ID is
begin
return globalSimulationStatus.registerProcess(TestID, Name, IsLowPriority);
end function;
procedure simDeactivateProcess(ProcID : T_SIM_PROCESS_ID) is
begin
globalSimulationStatus.deactivateProcess(ProcID);
end procedure;
impure function simIsStopped(constant TestID : T_SIM_TEST_ID := C_SIM_DEFAULT_TEST_ID) return boolean is
begin
return globalSimulationStatus.isStopped(TestID);
end function;
impure function simIsFinalized(constant TestID : T_SIM_TEST_ID := C_SIM_DEFAULT_TEST_ID) return boolean is
begin
return globalSimulationStatus.isFinalized(TestID);
end function;
impure function simIsAllFinalized return boolean is
begin
return globalSimulationStatus.isAllFinalized;
end function;
-- TODO: undocumented group
procedure simWriteMessage(Message : in string := "") is
begin
globalSimulationStatus.writeMessage(Message);
end procedure;
procedure simFail(Message : in string := "") is
begin
globalSimulationStatus.fail(Message);
end procedure;
procedure simAssertion(cond : in boolean; Message : in string := "") is
begin
globalSimulationStatus.assertion(cond, Message);
end procedure;
-- checksum functions
-- ===========================================================================
-- TODO: move checksum functions here
end package body;
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