riscv
/
yosys
mirror of https://github.com/YosysHQ/yosys.git
1
0
Fork 0
Code Issues Projects Releases Wiki Activity

recover_reduce: Rename recover_reduce_core to recover_reduce 

Clifford has commented on PR #387 stating that he does not like the
driver script and would prefer to only have the core script with
appropriate notes in the documentation.

Also rename to .cc (rather than .cpp) for consistency.
This commit is contained in:
Robert Ou 2017-08-27 02:01:32 -07:00
parent 99dad40ed0
commit 8a5887464c
3 changed files with 0 additions and 101 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

1
passes/techmap/Makefile.inc
View File

@ -18,7 +18,6 @@ OBJS += passes/techmap/hilomap.o
OBJS += passes/techmap/extract.o
OBJS += passes/techmap/extract_fa.o
OBJS += passes/techmap/recover_reduce.o
OBJS += passes/techmap/recover_reduce_core.o
OBJS += passes/techmap/alumacc.o
OBJS += passes/techmap/dff2dffe.o
OBJS += passes/techmap/dffinit.o

0
passes/techmap/recover_reduce_core.cpp → passes/techmap/recover_reduce.cc
View File

100
passes/techmap/recover_reduce.cpp
View File

@ -1,100 +0,0 @@
/*
* yosys -- Yosys Open SYnthesis Suite
*
* Copyright (C) 2017 Robert Ou <rqou@robertou.com>
*
* Permission to use, copy, modify, and/or distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*
*/
#include "kernel/yosys.h"
USING_YOSYS_NAMESPACE
PRIVATE_NAMESPACE_BEGIN
struct RecoverReducePass : public ScriptPass
{
RecoverReducePass() : ScriptPass("recover_reduce", "recovers $reduce_* from gates") {}
virtual void help() YS_OVERRIDE
{
// |---v---|---v---|---v---|---v---|---v---|---v---|---v---|---v---|---v---|---v---|
log("\n");
log(" recover_reduce [options]\n");
log("\n");
log("recovers $reduce_* from gates\n");
log("\n");
log("Reconstructs $reduce_* elements (e.g. larger gates) given a netlist of gates.");
log("This pass is intended to be used as part of a circuit reverse-engineering workflow.\n");
log("\n");
log("\n");
log("The following commands are executed by this command:\n");
help_script();
log("\n");
}
bool one_pass, no_final_abc;
virtual void clear_flags() YS_OVERRIDE
{
one_pass = false;
no_final_abc = false;
}
virtual void execute(std::vector<std::string> args, RTLIL::Design *design) YS_OVERRIDE
{
clear_flags();
size_t argidx;
for (argidx = 1; argidx < args.size(); argidx++)
{
if (args[argidx] == "-one_pass") {
one_pass = true;
continue;
}
if (args[argidx] == "-no_final_abc") {
no_final_abc = true;
continue;
}
break;
}
extra_args(args, argidx, design);
log_header(design, "Executing recover_reduce.\n");
log_push();
run_script(design, "", "");
log_pop();
}
virtual void script() YS_OVERRIDE
{
if (!one_pass)
{
// Certain structures such as counters seem to work better if we extract only AND
// and then run a general extract pass.
// XXX: Why is that? Does this work in general?
run("abc -g AND");
run("recover_reduce_core");
}
run("abc -g AND,OR,XOR");
run("recover_reduce_core");
if (!no_final_abc)
run("abc");
run("clean");
}
} RecoverReducePass;
PRIVATE_NAMESPACE_END