2013-01-05 04:13:26 -06:00
|
|
|
/*
|
|
|
|
* yosys -- Yosys Open SYnthesis Suite
|
|
|
|
*
|
|
|
|
* Copyright (C) 2012 Clifford Wolf <clifford@clifford.at>
|
2015-07-02 04:14:30 -05:00
|
|
|
*
|
2013-01-05 04:13:26 -06:00
|
|
|
* 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.
|
2015-07-02 04:14:30 -05:00
|
|
|
*
|
2013-01-05 04:13:26 -06:00
|
|
|
* 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/register.h"
|
|
|
|
#include "kernel/log.h"
|
|
|
|
#include <stdlib.h>
|
|
|
|
#include <stdio.h>
|
|
|
|
|
2014-09-27 09:17:53 -05:00
|
|
|
USING_YOSYS_NAMESPACE
|
|
|
|
PRIVATE_NAMESPACE_BEGIN
|
|
|
|
|
2013-01-05 04:13:26 -06:00
|
|
|
struct ProcPass : public Pass {
|
2013-03-01 02:26:29 -06:00
|
|
|
ProcPass() : Pass("proc", "translate processes to netlists") { }
|
2020-06-18 18:34:52 -05:00
|
|
|
void help() override
|
2013-03-01 02:26:29 -06:00
|
|
|
{
|
|
|
|
// |---v---|---v---|---v---|---v---|---v---|---v---|---v---|---v---|---v---|---v---|
|
|
|
|
log("\n");
|
2013-11-20 14:00:43 -06:00
|
|
|
log(" proc [options] [selection]\n");
|
2013-03-01 02:26:29 -06:00
|
|
|
log("\n");
|
|
|
|
log("This pass calls all the other proc_* passes in the most common order.\n");
|
|
|
|
log("\n");
|
|
|
|
log(" proc_clean\n");
|
|
|
|
log(" proc_rmdead\n");
|
2019-07-08 10:19:01 -05:00
|
|
|
log(" proc_prune\n");
|
2013-11-21 06:49:00 -06:00
|
|
|
log(" proc_init\n");
|
2013-03-01 02:26:29 -06:00
|
|
|
log(" proc_arst\n");
|
|
|
|
log(" proc_mux\n");
|
2015-02-12 09:56:01 -06:00
|
|
|
log(" proc_dlatch\n");
|
2013-03-01 02:26:29 -06:00
|
|
|
log(" proc_dff\n");
|
|
|
|
log(" proc_clean\n");
|
|
|
|
log("\n");
|
2015-02-12 09:56:01 -06:00
|
|
|
log("This replaces the processes in the design with multiplexers,\n");
|
|
|
|
log("flip-flops and latches.\n");
|
2013-03-01 02:26:29 -06:00
|
|
|
log("\n");
|
2013-11-20 14:00:43 -06:00
|
|
|
log("The following options are supported:\n");
|
|
|
|
log("\n");
|
|
|
|
log(" -global_arst [!]<netname>\n");
|
|
|
|
log(" This option is passed through to proc_arst.\n");
|
|
|
|
log("\n");
|
2016-06-06 10:15:50 -05:00
|
|
|
log(" -ifx\n");
|
|
|
|
log(" This option is passed through to proc_mux. proc_rmdead is not\n");
|
|
|
|
log(" executed in -ifx mode.\n");
|
|
|
|
log("\n");
|
2013-03-01 02:26:29 -06:00
|
|
|
}
|
2020-06-18 18:34:52 -05:00
|
|
|
void execute(std::vector<std::string> args, RTLIL::Design *design) override
|
2013-01-05 04:13:26 -06:00
|
|
|
{
|
2013-11-20 14:00:43 -06:00
|
|
|
std::string global_arst;
|
2016-06-06 10:15:50 -05:00
|
|
|
bool ifxmode = false;
|
2013-11-20 14:00:43 -06:00
|
|
|
|
2016-04-21 16:28:37 -05:00
|
|
|
log_header(design, "Executing PROC pass (convert processes to netlists).\n");
|
2013-01-05 04:13:26 -06:00
|
|
|
log_push();
|
|
|
|
|
2013-11-20 14:00:43 -06:00
|
|
|
size_t argidx;
|
|
|
|
for (argidx = 1; argidx < args.size(); argidx++)
|
|
|
|
{
|
|
|
|
if (args[argidx] == "-global_arst" && argidx+1 < args.size()) {
|
|
|
|
global_arst = args[++argidx];
|
|
|
|
continue;
|
|
|
|
}
|
2016-06-06 10:15:50 -05:00
|
|
|
if (args[argidx] == "-ifx") {
|
|
|
|
ifxmode = true;
|
|
|
|
continue;
|
|
|
|
}
|
2013-11-20 14:00:43 -06:00
|
|
|
break;
|
|
|
|
}
|
|
|
|
extra_args(args, argidx, design);
|
2013-01-05 04:13:26 -06:00
|
|
|
|
|
|
|
Pass::call(design, "proc_clean");
|
2016-06-06 10:15:50 -05:00
|
|
|
if (!ifxmode)
|
|
|
|
Pass::call(design, "proc_rmdead");
|
2019-07-08 10:19:01 -05:00
|
|
|
Pass::call(design, "proc_prune");
|
2013-11-21 06:49:00 -06:00
|
|
|
Pass::call(design, "proc_init");
|
2013-11-20 14:00:43 -06:00
|
|
|
if (global_arst.empty())
|
|
|
|
Pass::call(design, "proc_arst");
|
|
|
|
else
|
|
|
|
Pass::call(design, "proc_arst -global_arst " + global_arst);
|
2016-06-06 10:15:50 -05:00
|
|
|
Pass::call(design, ifxmode ? "proc_mux -ifx" : "proc_mux");
|
2015-02-12 09:56:01 -06:00
|
|
|
Pass::call(design, "proc_dlatch");
|
2013-01-05 04:13:26 -06:00
|
|
|
Pass::call(design, "proc_dff");
|
|
|
|
Pass::call(design, "proc_clean");
|
|
|
|
|
|
|
|
log_pop();
|
|
|
|
}
|
|
|
|
} ProcPass;
|
2015-07-02 04:14:30 -05:00
|
|
|
|
2014-09-27 09:17:53 -05:00
|
|
|
PRIVATE_NAMESPACE_END
|