From 3b44b53e946780ac25581f236be7c836fa6927bf Mon Sep 17 00:00:00 2001
From: Eddie Hung <eddie@fpgeh.com>
Date: Wed, 22 Jan 2020 09:36:54 -0800
Subject: abc9: fix scratchpad entry abc9.verify
---
passes/techmap/abc9.cc | 8 ++++----
1 file changed, 4 insertions(+), 4 deletions(-)
(limited to 'passes')
diff --git a/passes/techmap/abc9.cc b/passes/techmap/abc9.cc
index 1f6cdaa22..b0e2c7697 100644
--- a/passes/techmap/abc9.cc
+++ b/passes/techmap/abc9.cc
@@ -304,14 +304,14 @@ void abc9_module(RTLIL::Design *design, RTLIL::Module *module, std::string scrip
for (size_t pos = abc9_script.find("{R}"); pos != std::string::npos; pos = abc9_script.find("{R}", pos))
abc9_script = abc9_script.substr(0, pos) + R + abc9_script.substr(pos+3);
- abc9_script += stringf("; &ps -l; &write -n %s/output.aig;", tempdir_name.c_str());
+ abc9_script += stringf("; &ps -l; &write -n %s/output.aig", tempdir_name.c_str());
if (design->scratchpad_get_bool("abc9.verify")) {
if (dff_mode)
- abc9_script += "verify -s;";
+ abc9_script += "; &verify -s";
else
- abc9_script += "verify;";
+ abc9_script += "; &verify";
}
- abc9_script += "time";
+ abc9_script += "; time";
abc9_script = add_echos_to_abc9_cmd(abc9_script);
for (size_t i = 0; i+1 < abc9_script.size(); i++)
--
cgit v1.2.3
From a94b41011d5ec9514739c52b963e0bd96890973f Mon Sep 17 00:00:00 2001
From: Eddie Hung <eddie@fpgeh.com>
Date: Wed, 22 Jan 2020 10:08:48 -0800
Subject: abc9: error out if flip-flop init is 1'b1 for '-dff'
Due to ABC sequential synthesis restriction
---
passes/techmap/abc9.cc | 2 ++
1 file changed, 2 insertions(+)
(limited to 'passes')
diff --git a/passes/techmap/abc9.cc b/passes/techmap/abc9.cc
index b0e2c7697..2568a6cd1 100644
--- a/passes/techmap/abc9.cc
+++ b/passes/techmap/abc9.cc
@@ -1069,6 +1069,8 @@ struct Abc9Pass : public Pass {
SigSpec abc9_init = assign_map(abc9_init_wire);
if (!abc9_init.is_fully_const())
log_error("'%s.init' is not a constant wire present in module '%s'.\n", cell->name.c_str(), log_id(module));
+ if (abc9_init == State::S1)
+ log_error("'%s.init' in module '%s' has value 1'b1 which is not supported by 'abc9 -dff'.\n", cell->name.c_str(), log_id(module));
r2 = cell->attributes.insert(std::make_pair(ID(abc9_init), abc9_init.as_const()));
log_assert(r2.second);
}
--
cgit v1.2.3