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/*
* yosys -- Yosys Open SYnthesis Suite
*
* Copyright (C) 2012 Clifford Wolf <clifford@clifford.at>
*
* 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/register.h"
#include "kernel/rtlil.h"
#include "kernel/log.h"
USING_YOSYS_NAMESPACE
PRIVATE_NAMESPACE_BEGIN
struct ScratchpadPass : public Pass {
ScratchpadPass() : Pass("scratchpad", "get/set values in the scratchpad") { }
void help() YS_OVERRIDE
{
// |---v---|---v---|---v---|---v---|---v---|---v---|---v---|---v---|---v---|---v---|
log("\n");
log(" scratchpad [ -get id | -set id val | -unset id | -copy id1 id2 ]\n");
log("\n");
log("This pass allows to read and modify values from the scratchpad of the current\n");
log("design. Options:\n");
log(" -get <identifier>\n");
log(" -set <identifier> <value>\n");
log(" -unset <identifier>\n");
log(" -copy <identifier_from> <identifier_to>\n");
log("The identifier may not contain whitespace. By convention, it is usually prefixed\n");
log("by the name of the pass that uses it, e.g. 'opt.did_something'. If the value\n");
log("contains whitespace, it must be enclosed in double quotes.\n");
log("\n");
}
void execute(std::vector<std::string> args, RTLIL::Design *design) YS_OVERRIDE
{
size_t argidx;
for (argidx = 1; argidx < args.size(); argidx++)
{
if (args[argidx] == "-get" && argidx+1 < args.size()) {
string identifier = args[++argidx];
if (design->scratchpad.count(identifier)){
log("%s\n", design->scratchpad_get_string(identifier).c_str());
} else {
log("\"%s\" not set\n", identifier.c_str());
}
continue;
}
if (args[argidx] == "-set" && argidx+2 < args.size()) {
string identifier = args[++argidx];
string value = args[++argidx];
if (value.front() == '\"' && value.back() == '\"') value = value.substr(1, value.size() - 2);
design->scratchpad_set_string(identifier, value);
continue;
}
if (args[argidx] == "-unset" && argidx+1 < args.size()) {
string identifier = args[++argidx];
design->scratchpad_unset(identifier);
continue;
}
if (args[argidx] == "-copy" && argidx+2 < args.size()) {
string identifier_from = args[++argidx];
string identifier_to = args[++argidx];
if (design->scratchpad.count(identifier_from) == 0) log_error("\"%s\" not set\n", identifier_from.c_str());
string value = design->scratchpad_get_string(identifier_from);
design->scratchpad_set_string(identifier_to, value);
continue;
}
log("Unrecognized argument: %s\n", args[argidx].c_str());
break;
}
}
} ScratchpadPass;
PRIVATE_NAMESPACE_END
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