diff options
Diffstat (limited to 'passes')
| -rw-r--r-- | passes/cmds/Makefile.inc | 1 | ||||
| -rw-r--r-- | passes/cmds/scratchpad.cc | 86 |
2 files changed, 87 insertions, 0 deletions
diff --git a/passes/cmds/Makefile.inc b/passes/cmds/Makefile.inc index c7edc30fb..07a5d3ddc 100644 --- a/passes/cmds/Makefile.inc +++ b/passes/cmds/Makefile.inc @@ -32,3 +32,4 @@ OBJS += passes/cmds/chtype.o OBJS += passes/cmds/blackbox.o OBJS += passes/cmds/ltp.o OBJS += passes/cmds/bugpoint.o +OBJS += passes/cmds/scratchpad.o diff --git a/passes/cmds/scratchpad.cc b/passes/cmds/scratchpad.cc new file mode 100644 index 000000000..7d53c8a4f --- /dev/null +++ b/passes/cmds/scratchpad.cc @@ -0,0 +1,86 @@ +/* + * 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 |