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authorTristan Gingold <tgingold@free.fr>2015-01-10 16:06:11 +0100
committerTristan Gingold <tgingold@free.fr>2015-01-10 16:06:11 +0100
commitdcf9335a06eb78c5d977945f713f326e6288ae9a (patch)
tree2c48f920de286c8fa2a248f698220971f607f4d1 /testsuite/gna/bug23165/mwe_failing
parentcac81bb961266d824a9f2fafb100cc09f2422214 (diff)
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File bug23165.
Diffstat (limited to 'testsuite/gna/bug23165/mwe_failing')
-rw-r--r--testsuite/gna/bug23165/mwe_failing/counter.vhd33
-rw-r--r--testsuite/gna/bug23165/mwe_failing/mwe.vhd40
2 files changed, 73 insertions, 0 deletions
diff --git a/testsuite/gna/bug23165/mwe_failing/counter.vhd b/testsuite/gna/bug23165/mwe_failing/counter.vhd
new file mode 100644
index 000000000..9982f1d6c
--- /dev/null
+++ b/testsuite/gna/bug23165/mwe_failing/counter.vhd
@@ -0,0 +1,33 @@
+-- counter
+-- clk: clock input
+-- en: enable input
+-- rst: reset input
+-- dir: direction pin (1 = up, 0 = down)
+-- q: output
+
+library ieee;
+use ieee.std_logic_1164.all;
+use ieee.numeric_std.all;
+
+entity counter is
+ generic (
+ width : positive := 16
+ );
+
+ port (
+ clk : in std_logic;
+ q : out std_logic_vector(width-1 downto 0)
+ );
+end counter;
+
+architecture behav of counter is
+signal cnt : unsigned(width-1 downto 0) := to_unsigned(0, width);
+begin
+ process
+ begin
+ wait until rising_edge(clk);
+ cnt <= cnt + to_unsigned(1, cnt'length);
+ end process;
+ q <= std_logic_vector(cnt);
+end behav;
+
diff --git a/testsuite/gna/bug23165/mwe_failing/mwe.vhd b/testsuite/gna/bug23165/mwe_failing/mwe.vhd
new file mode 100644
index 000000000..d3241ac03
--- /dev/null
+++ b/testsuite/gna/bug23165/mwe_failing/mwe.vhd
@@ -0,0 +1,40 @@
+library ieee;
+use ieee.std_logic_1164.all;
+use ieee.numeric_std.all;
+
+entity mwe is
+end mwe;
+
+architecture lulz of mwe is
+
+constant cnt_len : integer := 2;
+constant cnt_stages : integer := 2;
+
+type ctl_sig is array (natural range <>) of std_logic_vector(cnt_len-1 downto 0);
+signal ctl_cnt : ctl_sig(0 to cnt_stages-1);
+
+signal clk : std_logic := '0';
+
+begin
+ clk <= not clk after 50 ns;
+
+ controller : entity work.counter
+ generic map(
+ width => cnt_len
+ )
+ port map(
+ clk => clk,
+ q => ctl_cnt(0)
+ );
+
+ ctl_cnt_delay : process
+ begin
+ wait until rising_edge(clk);
+ for i in 0 to cnt_stages-2 loop
+ -- uncomment following line to see that the port map assignment works
+ -- and that this line just "overwrites" it..
+ ctl_cnt(i+1) <= ctl_cnt(i);
+ end loop;
+ end process;
+
+end lulz;