|
library ieee;
|
|
use ieee.std_logic_1164.all;
|
|
|
|
use work.pkg.all;
|
|
|
|
|
|
entity psl_next_event_e is
|
|
port (
|
|
clk : in std_logic
|
|
);
|
|
end entity psl_next_event_e;
|
|
|
|
|
|
architecture psl of psl_next_event_e is
|
|
|
|
signal a, b, c : std_logic;
|
|
|
|
begin
|
|
|
|
|
|
-- 012345678901234
|
|
SEQ_A : sequencer generic map ("_-______-______") port map (clk, a);
|
|
SEQ_B : sequencer generic map ("___-__-___-__-_") port map (clk, b);
|
|
SEQ_C : sequencer generic map ("______-___-____") port map (clk, c);
|
|
|
|
|
|
|
|
-- All is sensitive to rising edge of clk
|
|
default clock is rising_edge(clk);
|
|
|
|
-- This assertion holds
|
|
NEXT_EVENT_a : assert always (a -> next_event_e(b)[1 to 2](c));
|
|
|
|
|
|
-- psl.sem_property: cannot handle N_NEXT_EVENT_E
|
|
--
|
|
-- ******************** GHDL Bug occurred ***************************
|
|
-- Please report this bug on https://github.com/ghdl/ghdl/issues
|
|
-- GHDL release: 1.0-dev (tarball) [Dunoon edition]
|
|
-- Compiled with GNAT Version: 8.3.0
|
|
-- Target: x86_64-linux-gnu
|
|
-- /build/src/
|
|
-- Command line:
|
|
-- ghdl --synth --std=08 pkg.vhd sequencer.vhd psl_next_event_e.vhd -e psl_next_event_e
|
|
-- Exception TYPES.INTERNAL_ERROR raised
|
|
-- Exception information:
|
|
-- raised TYPES.INTERNAL_ERROR : psl-errors.adb:39
|
|
-- Call stack traceback locations:
|
|
-- 0x55607472bb3a 0x55607484fbb7 0x55607484f8f1 0x55607484f69f 0x55607484f765 0x556074850557 0x556074856fd7 0x5560748570de 0x556074857235 0x55607488f17d 0x556074895e72 0x55607484d9c2 0x55607484e814 0x55607484e9bc 0x5560748f61c6 0x556074934ab9 0x556074935361 0x55607484536f 0x55607493ecaf 0x5560746f7fa3 0x7f2cefe1f099 0x5560746f6df8 0xfffffffffffffffe
|
|
-- ******************************************************************
|
|
|
|
|
|
end architecture psl;
|