Fix some ghdlsynth issues with fpga_bram

Use to_integer() instead of conv_integer().

Signed-off-by: Anton Blanchard <anton@linux.ibm.com>

diff --git a/fpga/main_bram.vhdl b/fpga/main_bram.vhdl
index 810d60cfa7d2fb5329839812e09b4425676c040d..fcc37013235b50fcc786a7478917dd5a5d439fe7 100644 (file)
--- a/fpga/main_bram.vhdl
+++ b/fpga/main_bram.vhdl
@@ -2,7 +2,6 @@
 
 library ieee;
 use ieee.std_logic_1164.all;
-use ieee.std_logic_unsigned.all;
 use ieee.numeric_std.all;
 use std.textio.all;
 
@@ -68,13 +67,13 @@ begin
            if we = '1' then
                for i in 0 to 7 loop
                    if sel(i) = '1' then
-                       memory(conv_integer(addr))((i + 1) * 8 - 1 downto i * 8) <=
+                       memory(to_integer(unsigned(addr)))((i + 1) * 8 - 1 downto i * 8) <=
                            di((i + 1) * 8 - 1 downto i * 8);
                    end if;
                end loop;
            end if;
            if re = '1' then
-               obuf <= memory(conv_integer(addr));
+               obuf <= memory(to_integer(unsigned(addr)));
            end if;
            do <= obuf;
        end if;