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Updated abc

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This commit is contained in:
Clifford Wolf 2013-11-21 22:39:10 +01:00
parent 40d9542647
commit 1c4a6411af
4 changed files with 39 additions and 11 deletions
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37
passes/abc/abc.cc
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@ -327,7 +327,7 @@ static void handle_loops()
fclose(dot_f);
}
static void abc_module(RTLIL::Design *design, RTLIL::Module *current_module, std::string script_file, std::string exe_file, std::string liberty_file, bool cleanup, int lut_mode)
static void abc_module(RTLIL::Design *design, RTLIL::Module *current_module, std::string script_file, std::string exe_file, std::string liberty_file, std::string constr_file, bool cleanup, int lut_mode)
{
module = current_module;
map_autoidx = RTLIL::autoidx++;
@ -455,11 +455,19 @@ static void abc_module(RTLIL::Design *design, RTLIL::Module *current_module, std
char buffer[1024];
int buffer_pos = 0;
if (!liberty_file.empty())
if (!liberty_file.empty()) {
buffer_pos += snprintf(buffer+buffer_pos, 1024-buffer_pos,
"%s -s -c 'read_verilog %s/input.v; read_liberty %s; map; ",
"%s -s -c 'read_verilog %s/input.v; read_lib %s; ",
exe_file.c_str(), tempdir_name, liberty_file.c_str());
else
if (!constr_file.empty())
buffer_pos += snprintf(buffer+buffer_pos, 1024-buffer_pos,
"read_constr %s; ", constr_file.c_str());
buffer_pos += snprintf(buffer+buffer_pos, 1024-buffer_pos,
"strash; balance; dch; map; topo; ");
if (!constr_file.empty())
buffer_pos += snprintf(buffer+buffer_pos, 1024-buffer_pos,
"buffer; upsize; dnsize; stime; ");
} else
if (!script_file.empty())
buffer_pos += snprintf(buffer+buffer_pos, 1024-buffer_pos,
"%s -s -c 'read_verilog %s/input.v; source %s; ",
@ -467,11 +475,11 @@ static void abc_module(RTLIL::Design *design, RTLIL::Module *current_module, std
else
if (lut_mode)
buffer_pos += snprintf(buffer+buffer_pos, 1024-buffer_pos,
"%s -s -c 'read_verilog %s/input.v; read_lut %s/lutdefs.txt; if; ",
"%s -s -c 'read_verilog %s/input.v; read_lut %s/lutdefs.txt; strash; balance; dch; if; ",
exe_file.c_str(), tempdir_name, tempdir_name);
else
buffer_pos += snprintf(buffer+buffer_pos, 1024-buffer_pos,
"%s -s -c 'read_verilog %s/input.v; read_library %s/stdcells.genlib; map; ",
"%s -s -c 'read_verilog %s/input.v; read_library %s/stdcells.genlib; strash; balance; dch; map; ",
exe_file.c_str(), tempdir_name, tempdir_name);
if (lut_mode)
buffer_pos += snprintf(buffer+buffer_pos, 1024-buffer_pos, "write_blif %s/output.blif' 2>&1", tempdir_name);
@ -694,6 +702,9 @@ struct AbcPass : public Pass {
log(" but keeps using yosys's internal gate library. This option is ignored if\n");
log(" the -script option is also used.\n");
log("\n");
log(" -constr <file>\n");
log(" pass this file with timing constraints to ABC\n");
log("\n");
log(" -lut <width>\n");
log(" generate netlist using luts of (max) the specified width.\n");
log("\n");
@ -713,7 +724,7 @@ struct AbcPass : public Pass {
log_push();
std::string exe_file = rewrite_yosys_exe("yosys-abc");
std::string script_file, liberty_file;
std::string script_file, liberty_file, constr_file;
bool cleanup = true;
int lut_mode = 0;
@ -725,18 +736,24 @@ struct AbcPass : public Pass {
exe_file = args[++argidx];
continue;
}
if (arg == "-script" && argidx+1 < args.size() && liberty_file.empty()) {
if (arg == "-script" && argidx+1 < args.size() && liberty_file.empty() && constr_file.empty()) {
script_file = args[++argidx];
if (!script_file.empty() && script_file[0] != '/')
script_file = std::string(pwd) + "/" + script_file;
continue;
}
if (arg == "-liberty" && argidx+1 < args.size() && script_file.empty()) {
if (arg == "-liberty" && argidx+1 < args.size() && script_file.empty() && liberty_file.empty()) {
liberty_file = args[++argidx];
if (!liberty_file.empty() && liberty_file[0] != '/')
liberty_file = std::string(pwd) + "/" + liberty_file;
continue;
}
if (arg == "-constr" && argidx+1 < args.size() && script_file.empty() && constr_file.empty()) {
constr_file = args[++argidx];
if (!constr_file.empty() && constr_file[0] != '/')
constr_file = std::string(pwd) + "/" + constr_file;
continue;
}
if (arg == "-lut" && argidx+1 < args.size() && lut_mode == 0) {
lut_mode = atoi(args[++argidx].c_str());
continue;
@ -755,7 +772,7 @@ struct AbcPass : public Pass {
if (mod_it.second->processes.size() > 0)
log("Skipping module %s as it contains processes.\n", mod_it.second->name.c_str());
else
abc_module(design, mod_it.second, script_file, exe_file, liberty_file, cleanup, lut_mode);
abc_module(design, mod_it.second, script_file, exe_file, liberty_file, constr_file, cleanup, lut_mode);
}
assign_map.clear();