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------------------------------------------------------------------------------
-- Copyright (c) 2018 by Paul Scherrer Institute, Switzerland
-- All rights reserved.
-- Authors: Oliver Bruendler, Benoit Stef
------------------------------------------------------------------------------
------------------------------------------------------------------------------
-- Libraries
------------------------------------------------------------------------------
library ieee;
use ieee.std_logic_1164.all;
use ieee.numeric_std.all;
library work;
use work.psi_tb_txt_util.all;
------------------------------------------------------------------------------
-- Package Header
------------------------------------------------------------------------------
package psi_tb_compare_pkg is
-- returns an index string in the form "[3]"
function IndexString( Index : integer) return string;
-- std_logic_vector compare to integer
procedure StdlvCompareInt ( Expected : in integer;
Actual : in std_logic_vector;
Msg : in string;
IsSigned : in boolean := true;
Tolerance : in integer := 0;
Prefix : in string := "###ERROR###: ");
-- std_logic_vector compare to std_logic_vector
procedure StdlvCompareStdlv (Expected : in std_logic_vector;
Actual : in std_logic_vector;
Msg : in string;
Prefix : in string := "###ERROR###: ");
-- std_logic compare std_logic
procedure StdlCompare( Expected : in integer range 0 to 1;
Actual : in std_logic;
Msg : in string;
Prefix : in string := "###ERROR###: ");
-- integer compare to integer
procedure IntCompare( Expected : in integer;
Actual : in integer;
Msg : in string;
Tolerance : in integer := 0;
Prefix : in string := "###ERROR###: ");
-- real compare to real
procedure RealCompare( Expected : in real;
Actual : in real;
Msg : in string;
Tolerance : in real := 0.0;
Prefix : in string := "###ERROR###: ");
-- signed compare to signed
procedure SignCompare ( Expected : in signed;
Actual : in signed;
Msg : in string;
Tolerance : in integer := 0;
Prefix : in string := "###ERROR###: ");
-- unsigned compare to unsigned
procedure UsignCompare (Expected : in unsigned;
Actual : in unsigned;
Msg : in string;
Tolerance : in integer := 0;
Prefix : in string := "###ERROR###: ");
-- signed compare to integer
procedure SignCompareInt ( Expected : in integer;
Actual : in signed;
Msg : in string;
Tolerance : in integer := 0;
Prefix : in string := "###ERROR###: ");
-- unsigned compare to integer
procedure UsignCompareInt ( Expected : in integer;
Actual : in unsigned;
Msg : in string;
Tolerance : in integer := 0;
Prefix : in string := "###ERROR###: ");
end psi_tb_compare_pkg;
------------------------------------------------------------------------------
-- Package Body
------------------------------------------------------------------------------
package body psi_tb_compare_pkg is
-- *** IndexString ***
function IndexString( Index : integer) return string is
begin
return "[" & to_string(Index) & "]";
end function;
-- *** StdlvCompareInt ***
procedure StdlvCompareInt ( Expected : in integer;
Actual : in std_logic_vector;
Msg : in string;
IsSigned : in boolean := true;
Tolerance : in integer := 0;
Prefix : in string := "###ERROR###: ") is
variable ActualInt_v : integer;
variable ExpectedStdlv32_v : std_logic_vector(31 downto 0);
variable ActualStdlv32_v : std_logic_vector(31 downto 0);
begin
-- Convert Input
if IsSigned then
ActualInt_v := to_integer(signed(Actual));
ExpectedStdlv32_v := std_logic_vector(to_signed(Expected, 32));
ActualStdlv32_v := std_logic_vector(to_signed(ActualInt_v, 32));
else
ActualInt_v := to_integer(unsigned(Actual));
ExpectedStdlv32_v := std_logic_vector(to_unsigned(Expected, 32));
ActualStdlv32_v := std_logic_vector(to_unsigned(ActualInt_v, 32));
end if;
-- Assertion
assert (ActualInt_v >= Expected-Tolerance) and (ActualInt_v <= Expected+Tolerance)
report Prefix & Msg &
" [Expected " & integer'image(Expected) & "(0x" & hstr(ExpectedStdlv32_v) & ")" &
", Received " & integer'image(ActualInt_v) & "(0x" & hstr(ActualStdlv32_v) & ")" &
", Tolerance " & integer'image(Tolerance) & "]"
severity error;
end procedure;
-- *** StdlvCompareStdlv ***
procedure StdlvCompareStdlv ( Expected : in std_logic_vector;
Actual : in std_logic_vector;
Msg : in string;
Prefix : in string := "###ERROR###: ") is
constant Expected_c : std_logic_vector(Expected'length-1 downto 0) := Expected;
constant Actual_c : std_logic_vector(Actual'length-1 downto 0) := Actual;
begin
-- Assertion
assert Actual_c = Expected_c
report Prefix & Msg &
" [Expected " & str(Expected_c) & "(0x" & hstr(Expected_c) & ")" &
", Received " & str(Actual_c) & "(0x" & hstr(Actual_c) & ")" & "]"
severity error;
end procedure;
-- *** StdlCompare ***
procedure StdlCompare( Expected : in integer range 0 to 1;
Actual : in std_logic;
Msg : in string;
Prefix : in string := "###ERROR###: ") is
variable ExStdl_v : std_logic;
begin
if Expected = 0 then
ExStdl_v := '0';
else
ExStdl_v := '1';
end if;
assert Actual = ExStdl_v
report Prefix & Msg &
" [Expected " & str(ExStdl_v) &
", Received " & str(Actual) & "]"
severity error;
end procedure;
-- *** IntCompare ***
procedure IntCompare( Expected : in integer;
Actual : in integer;
Msg : in string;
Tolerance : in integer := 0;
Prefix : in string := "###ERROR###: ") is
begin
assert (Actual >= Expected-Tolerance) and (Actual <= Expected+Tolerance)
report Prefix & Msg &
" [Expected " & to_string(Expected) &
", Received " & to_string(Actual) &
", Tolerance " & to_string(Tolerance) & "]"
severity error;
end procedure;
-- *** RealCompare ***
procedure RealCompare( Expected : in real;
Actual : in real;
Msg : in string;
Tolerance : in real := 0.0;
Prefix : in string := "###ERROR###: ") is
begin
assert (Actual >= Expected-Tolerance) and (Actual <= Expected+Tolerance)
report Prefix & Msg &
" [Expected " & to_string(Expected) &
", Received " & to_string(Actual) &
", Tolerance " & to_string(Tolerance) & "]"
severity error;
end procedure;
-- *** SignCompare ***
procedure SignCompare( Expected : in signed;
Actual : in signed;
Msg : in string;
Tolerance : in integer := 0;
Prefix : in string := "###ERROR###: ") is
begin
assert (Actual >= Expected-Tolerance) and (Actual <= Expected+Tolerance)
report Prefix & Msg &
" [Expected " & to_string(Expected) &
", Received " & to_string(Actual) &
", Tolerance " & to_string(Tolerance) & "]"
severity error;
end procedure;
-- *** UsignCompare ***
procedure UsignCompare( Expected : in unsigned;
Actual : in unsigned;
Msg : in string;
Tolerance : in integer := 0;
Prefix : in string := "###ERROR###: ") is
begin
assert (Actual >= Expected-Tolerance) and (Actual <= Expected+Tolerance)
report Prefix & Msg &
" [Expected " & to_string(Expected) &
", Received " & to_string(Actual) &
", Tolerance " & to_string(Tolerance) & "]"
severity error;
end procedure;
-- *** SignCompareInt ***
procedure SignCompareInt ( Expected : in integer;
Actual : in signed;
Msg : in string;
Tolerance : in integer := 0;
Prefix : in string := "###ERROR###: ") is
begin
StdlvCompareInt ( Expected => Expected,
Actual => std_logic_vector(Actual),
Msg => Msg,
IsSigned => true,
Tolerance => Tolerance,
Prefix => Prefix);
end procedure;
-- *** UsignCompareInt ***
procedure UsignCompareInt ( Expected : in integer;
Actual : in unsigned;
Msg : in string;
Tolerance : in integer := 0;
Prefix : in string := "###ERROR###: ") is
begin
StdlvCompareInt ( Expected => Expected,
Actual => std_logic_vector(Actual),
Msg => Msg,
IsSigned => false,
Tolerance => Tolerance,
Prefix => Prefix);
end procedure;
end psi_tb_compare_pkg;
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