diff options
Diffstat (limited to 'testsuite')
-rw-r--r-- | testsuite/synth/arr02/dpram2.vhdl | 24 | ||||
-rw-r--r-- | testsuite/synth/arr02/tb_dpram2.vhdl | 40 | ||||
-rwxr-xr-x | testsuite/synth/arr02/testsuite.sh | 2 |
3 files changed, 65 insertions, 1 deletions
diff --git a/testsuite/synth/arr02/dpram2.vhdl b/testsuite/synth/arr02/dpram2.vhdl new file mode 100644 index 000000000..c21a0ee78 --- /dev/null +++ b/testsuite/synth/arr02/dpram2.vhdl @@ -0,0 +1,24 @@ +library ieee; +use ieee.std_logic_1164.all; +use ieee.numeric_std.all; + +entity dpram2 is + port (raddr : std_logic_vector (3 downto 0); + rdat : out std_logic_vector (7 downto 0); + waddr : std_logic_vector (3 downto 0); + wdat : std_logic_vector (7 downto 0); + clk : std_logic); +end dpram2; + +architecture behav of dpram2 is +begin + process (clk) + type memtype is array (15 downto 0) of std_logic_vector (7 downto 0); + variable mem : memtype; + begin + if rising_edge (clk) then + rdat <= mem (to_integer(unsigned (raddr))); + mem (to_integer(unsigned (waddr))) := wdat; + end if; + end process; +end behav; diff --git a/testsuite/synth/arr02/tb_dpram2.vhdl b/testsuite/synth/arr02/tb_dpram2.vhdl new file mode 100644 index 000000000..f66363345 --- /dev/null +++ b/testsuite/synth/arr02/tb_dpram2.vhdl @@ -0,0 +1,40 @@ +entity tb_dpram2 is +end tb_dpram2; + +library ieee; +use ieee.std_logic_1164.all; + +architecture behav of tb_dpram2 is + signal raddr : std_logic_vector(3 downto 0); + signal rdat : std_logic_vector(7 downto 0); + signal waddr : std_logic_vector(3 downto 0); + signal wdat : std_logic_vector(7 downto 0); + signal clk : std_logic; +begin + dut: entity work.dpram2 + port map (raddr => raddr, rdat => rdat, waddr => waddr, wdat => wdat, + clk => clk); + + process + procedure pulse is + begin + clk <= '0'; + wait for 1 ns; + clk <= '1'; + wait for 1 ns; + end pulse; + begin + raddr <= "0000"; + waddr <= x"a"; + wdat <= x"5a"; + pulse; + + raddr <= x"a"; + waddr <= x"7"; + wdat <= x"87"; + pulse; + assert rdat = x"5a" severity failure; + + wait; + end process; +end behav; diff --git a/testsuite/synth/arr02/testsuite.sh b/testsuite/synth/arr02/testsuite.sh index f11c3aa42..6dd2fb477 100755 --- a/testsuite/synth/arr02/testsuite.sh +++ b/testsuite/synth/arr02/testsuite.sh @@ -2,7 +2,7 @@ . ../../testenv.sh -for t in rom1 dpram1; do +for t in rom1 dpram1 dpram2; do analyze $t.vhdl tb_$t.vhdl elab_simulate tb_$t clean |