diff options
| -rwxr-xr-x | libraries/openieee/build_1164.py | 53 |
1 files changed, 53 insertions, 0 deletions
diff --git a/libraries/openieee/build_1164.py b/libraries/openieee/build_1164.py index 0eb16595f..d07274d76 100755 --- a/libraries/openieee/build_1164.py +++ b/libraries/openieee/build_1164.py @@ -344,8 +344,61 @@ def disp_conv_b_t(typ): return bit_to_x01 (b); end to_{1};\n""".format(typ, utyp)) +def disp_conv_01(): + "Generate to_01 bodies" + w(""" + function to_01 (s : std_{0}_vector; xmap : std_ulogic := '0') + return std_{0}_vector + is + subtype res_type is std_{0}_vector (s'length - 1 downto 0); + alias sa : res_type is s; + variable res : res_type; + begin + for i in res_type'range loop + case sa(i) is + when '0' | 'L' => res (i) := '0'; + when '1' | 'H' => res (i) := '1'; + when others => return res_type'(others => xmap); + end case; + end loop; + return res; + end to_01;\n""".format("ulogic")) + w("") + w(""" + function to_01 (s : std_{0}; xmap : std_ulogic := '0') + return std_{0} is + begin + case s is + when '0' | 'L' => return '0'; + when '1' | 'H' => return '1'; + when others => return xmap; + end case; + end to_01;\n""".format("ulogic")) + w("") + w(""" + function to_01 (s : bit_vector; xmap : std_ulogic := '0') + return std_{0}_vector + is + alias sa : bit_vector(s'length - 1 downto 0) is s; + variable res : std_{0}_vector (s'length - 1 downto 0); + begin + for i in sa'range loop + res (i) := bit_to_std (sa (i)); + end loop; + return res; + end to_01;\n""".format("ulogic")) + w("") + w(""" + function to_01 (s : bit; xmap : std_ulogic := '0') + return std_{0} is + begin + return bit_to_std(s); + end to_01;\n""".format("ulogic")) + def disp_all_norm_funcs(version): "Generate all function bodies for conversion" + if version >= V08: + disp_conv_01() for typ in [ "x01", "x01z", "ux01" ]: for v in vec_types: disp_conv_vec_vec(typ, v) |