1 files changed, 23 insertions, 0 deletions
diff --git a/testsuite/synth/issue2187/rom32.vhd b/testsuite/synth/issue2187/rom32.vhd
new file mode 100644
index 000000000..87b24a537
--- /dev/null
+++ b/testsuite/synth/issue2187/rom32.vhd
@@ -0,0 +1,23 @@
+-- A simple synthesized ROM, which reads from a binary file at synthesis time
+-- single 32 bit read port.
+library ieee;
+use ieee.std_logic_1164.all;
+use ieee.numeric_std.all;
+use work.rawfile_pack.all;
+
+entity simple_rom32 is
+  generic (
+    -- 32-bit read port.  ADDR_WIDTH is in bytes, not words.
+    ADDR_WIDTH : integer := 8 -- default 256 bytes
+    );
+  port (
+    raddr : in std_logic_vector(ADDR_WIDTH - 3 downto 0);
+    do : out std_logic_vector(31 downto 0));
+end simple_rom32;
+
+architecture behavioral of simple_rom32 is
+  constant NUM_WORDS : integer :=  2**(ADDR_WIDTH - 2);
+  signal rom : rom32_t(0 to NUM_WORDS-1) := fread_elf("image.elf", NUM_WORDS);
+begin
+  do <= rom(to_integer(unsigned(raddr)));
+end behavioral;