Add reproducer for #328

1 files changed, 57 insertions, 0 deletions

diff --git a/testsuite/gna/issue328/repro_irqc.vhdl b/testsuite/gna/issue328/repro_irqc.vhdl
new file mode 100644
index 000000000..136b6942e
--- /dev/null
+++ b/testsuite/gna/issue328/repro_irqc.vhdl
@@ -0,0 +1,57 @@
+entity irqc_tb is
+end entity;
+
+library ieee;
+use ieee.std_logic_1164.all;
+use ieee.numeric_std.all;
+
+-- Test case architecture
+architecture func of irqc_tb is
+
+  type t_sbi_if is record
+    cs      : std_logic;          -- to dut
+    addr    : unsigned;           -- to dut
+    rena    : std_logic;          -- to dut
+    wena    : std_logic;          -- to dut
+    wdata   : std_logic_vector;   -- to dut
+    ready   : std_logic;          -- from dut
+    rdata   : std_logic_vector;   -- from dut
+  end record;
+
+  function init_sbi_if_signals(
+    addr_width : natural;
+    data_width : natural
+    ) return t_sbi_if is
+    variable result : t_sbi_if( addr(addr_width - 1 downto 0), 
+                                wdata(data_width - 1 downto 0), 
+                                rdata(data_width - 1 downto 0));
+  begin
+    result.cs     := '0';
+    result.rena   := '0';
+    result.wena   := '0';
+    result.addr   := (others => '0');
+    result.wdata  := (others => '0');
+    result.ready  := 'Z';
+    result.rdata  := (others => 'Z');
+    return result;
+  end function;
+
+  signal sbi_if : t_sbi_if(addr(2 downto 0), wdata(7 downto 0), rdata(7 downto 0)) := init_sbi_if_signals(3, 8);
+
+  procedure write (signal s : inout t_sbi_if) is
+  begin
+    s.cs <= '1';
+  end write;
+begin
+  process
+  begin
+    write(sbi_if);
+    wait for 1 ns;
+    assert sbi_if.rdata = (7 downto 0 => 'Z');
+    assert sbi_if.addr = (2 downto 0 => '0');
+    assert sbi_if.wdata = (7 downto 0 => '0');
+    wait;
+  end process;
+
+  sbi_if.rdata <= (others => '0');
+end func;