mirrors/yosys
3
0
Fork 0
mirror of https://github.com/YosysHQ/yosys synced 2025-06-23 14:23:41 +00:00
Code Activity

ecp5: Adding synchronous set/reset support

Browse source 
Signed-off-by: David Shah <davey1576@gmail.com>
This commit is contained in:
David Shah 2018-07-14 15:54:30 +02:00
parent 241429abac
commit 459d367913
5 changed files with 194 additions and 21 deletions
Download patch file Download diff file Expand all files Collapse all files

14
passes/techmap/dff2dffe.cc
View file

@ -279,8 +279,9 @@ struct Dff2dffePass : public Pass {
log(" -direct-match <pattern>\n");
log(" like -direct for all DFF cell types matching the expression.\n");
log(" this will use $__DFFE_* as <external_gate_type> matching the\n");
log(" internal gate type $_DFF_*_, except for $_DFF_[NP]_, which is\n");
log(" converted to $_DFFE_[NP]_.\n");
log(" internal gate type $_DFF_*_, and $__DFFSE_* for those matching\n");
log(" $_DFFS_*_, except for $_DFF_[NP]_, which is converted to \n");
log(" $_DFFE_[NP]_.\n");
log("\n");
}
virtual void execute(std::vector<std::string> args, RTLIL::Design *design)
@ -315,6 +316,15 @@ struct Dff2dffePass : public Pass {
if (patmatch(pattern, "$_DFF_PN1_")) found_match = true, direct_dict["$_DFF_PN1_"] = "$__DFFE_PN1";
if (patmatch(pattern, "$_DFF_PP0_")) found_match = true, direct_dict["$_DFF_PP0_"] = "$__DFFE_PP0";
if (patmatch(pattern, "$_DFF_PP1_")) found_match = true, direct_dict["$_DFF_PP1_"] = "$__DFFE_PP1";
if (patmatch(pattern, "$__DFFS_NN0_")) found_match = true, direct_dict["$__DFFS_NN0_"] = "$__DFFSE_NN0";
if (patmatch(pattern, "$__DFFS_NN1_")) found_match = true, direct_dict["$__DFFS_NN1_"] = "$__DFFSE_NN1";
if (patmatch(pattern, "$__DFFS_NP0_")) found_match = true, direct_dict["$__DFFS_NP0_"] = "$__DFFSE_NP0";
if (patmatch(pattern, "$__DFFS_NP1_")) found_match = true, direct_dict["$__DFFS_NP1_"] = "$__DFFSE_NP1";
if (patmatch(pattern, "$__DFFS_PN0_")) found_match = true, direct_dict["$__DFFS_PN0_"] = "$__DFFSE_PN0";
if (patmatch(pattern, "$__DFFS_PN1_")) found_match = true, direct_dict["$__DFFS_PN1_"] = "$__DFFSE_PN1";
if (patmatch(pattern, "$__DFFS_PP0_")) found_match = true, direct_dict["$__DFFS_PP0_"] = "$__DFFSE_PP0";
if (patmatch(pattern, "$__DFFS_PP1_")) found_match = true, direct_dict["$__DFFS_PP1_"] = "$__DFFSE_PP1";
if (!found_match)
log_cmd_error("No cell types matched pattern '%s'.\n", pattern);
continue;