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adding support for passing multiple liberty files to abc

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This commit is contained in:
Peter Gadfort 2021-01-18 16:47:49 -05:00
parent 4762cc06c6
commit 169234d6e9
1 changed files with 21 additions and 15 deletions
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36
passes/techmap/abc.cc
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@ -54,6 +54,7 @@
#include <cerrno> #include <cerrno>
#include <sstream> #include <sstream>
#include <climits> #include <climits>
#include <vector>
#ifndef _WIN32 #ifndef _WIN32
# include <unistd.h> # include <unistd.h>
@ -654,7 +655,7 @@ struct abc_output_filter
}; };
void abc_module(RTLIL::Design *design, RTLIL::Module *current_module, std::string script_file, std::string exe_file, 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, vector<int> lut_costs, bool dff_mode, std::string clk_str, std::vector<std::string> &liberty_files, std::string constr_file, bool cleanup, vector<int> lut_costs, bool dff_mode, std::string clk_str,
bool keepff, std::string delay_target, std::string sop_inputs, std::string sop_products, std::string lutin_shared, bool fast_mode, bool keepff, std::string delay_target, std::string sop_inputs, std::string sop_products, std::string lutin_shared, bool fast_mode,
const std::vector<RTLIL::Cell*> &cells, bool show_tempdir, bool sop_mode, bool abc_dress) const std::vector<RTLIL::Cell*> &cells, bool show_tempdir, bool sop_mode, bool abc_dress)
{ {
@ -709,8 +710,8 @@ void abc_module(RTLIL::Design *design, RTLIL::Module *current_module, std::strin
std::string abc_script = stringf("read_blif %s/input.blif; ", tempdir_name.c_str()); std::string abc_script = stringf("read_blif %s/input.blif; ", tempdir_name.c_str());
if (!liberty_file.empty()) { if (!liberty_files.empty()) {
abc_script += stringf("read_lib -w %s; ", liberty_file.c_str()); for (std::string liberty_file : liberty_files) abc_script += stringf("read_lib -w %s; ", liberty_file.c_str());
if (!constr_file.empty()) if (!constr_file.empty())
abc_script += stringf("read_constr -v %s; ", constr_file.c_str()); abc_script += stringf("read_constr -v %s; ", constr_file.c_str());
} else } else
@ -738,7 +739,7 @@ void abc_module(RTLIL::Design *design, RTLIL::Module *current_module, std::strin
abc_script += fast_mode ? ABC_FAST_COMMAND_LUT : ABC_COMMAND_LUT; abc_script += fast_mode ? ABC_FAST_COMMAND_LUT : ABC_COMMAND_LUT;
if (all_luts_cost_same && !fast_mode) if (all_luts_cost_same && !fast_mode)
abc_script += "; lutpack {S}"; abc_script += "; lutpack {S}";
} else if (!liberty_file.empty()) } else if (!liberty_files.empty())
abc_script += constr_file.empty() ? (fast_mode ? ABC_FAST_COMMAND_LIB : ABC_COMMAND_LIB) : (fast_mode ? ABC_FAST_COMMAND_CTR : ABC_COMMAND_CTR); abc_script += constr_file.empty() ? (fast_mode ? ABC_FAST_COMMAND_LIB : ABC_COMMAND_LIB) : (fast_mode ? ABC_FAST_COMMAND_CTR : ABC_COMMAND_CTR);
else if (sop_mode) else if (sop_mode)
abc_script += fast_mode ? ABC_FAST_COMMAND_SOP : ABC_COMMAND_SOP; abc_script += fast_mode ? ABC_FAST_COMMAND_SOP : ABC_COMMAND_SOP;
@ -1019,7 +1020,7 @@ void abc_module(RTLIL::Design *design, RTLIL::Module *current_module, std::strin
if (ifs.fail()) if (ifs.fail())
log_error("Can't open ABC output file `%s'.\n", buffer.c_str()); log_error("Can't open ABC output file `%s'.\n", buffer.c_str());
bool builtin_lib = liberty_file.empty(); bool builtin_lib = liberty_files.empty();
RTLIL::Design *mapped_design = new RTLIL::Design; RTLIL::Design *mapped_design = new RTLIL::Design;
parse_blif(mapped_design, ifs, builtin_lib ? ID(DFF) : ID(_dff_), false, sop_mode); parse_blif(mapped_design, ifs, builtin_lib ? ID(DFF) : ID(_dff_), false, sop_mode);
@ -1471,7 +1472,8 @@ struct AbcPass : public Pass {
po_map.clear(); po_map.clear();
std::string exe_file = yosys_abc_executable; std::string exe_file = yosys_abc_executable;
std::string script_file, liberty_file, constr_file, clk_str; std::string script_file, default_liberty_file, constr_file, clk_str;
std::vector<std::string> liberty_files;
std::string delay_target, sop_inputs, sop_products, lutin_shared = "-S 1"; std::string delay_target, sop_inputs, sop_products, lutin_shared = "-S 1";
bool fast_mode = false, dff_mode = false, keepff = false, cleanup = true; bool fast_mode = false, dff_mode = false, keepff = false, cleanup = true;
bool show_tempdir = false, sop_mode = false; bool show_tempdir = false, sop_mode = false;
@ -1489,7 +1491,7 @@ struct AbcPass : public Pass {
std::string lut_arg, luts_arg, g_arg; std::string lut_arg, luts_arg, g_arg;
exe_file = design->scratchpad_get_string("abc.exe", exe_file /* inherit default value if not set */); exe_file = design->scratchpad_get_string("abc.exe", exe_file /* inherit default value if not set */);
script_file = design->scratchpad_get_string("abc.script", script_file); script_file = design->scratchpad_get_string("abc.script", script_file);
liberty_file = design->scratchpad_get_string("abc.liberty", liberty_file); default_liberty_file = design->scratchpad_get_string("abc.liberty", default_liberty_file);
constr_file = design->scratchpad_get_string("abc.constr", constr_file); constr_file = design->scratchpad_get_string("abc.constr", constr_file);
if (design->scratchpad.count("abc.D")) { if (design->scratchpad.count("abc.D")) {
delay_target = "-D " + design->scratchpad_get_string("abc.D"); delay_target = "-D " + design->scratchpad_get_string("abc.D");
@ -1551,7 +1553,7 @@ struct AbcPass : public Pass {
continue; continue;
} }
if (arg == "-liberty" && argidx+1 < args.size()) { if (arg == "-liberty" && argidx+1 < args.size()) {
liberty_file = args[++argidx]; liberty_files.push_back(args[++argidx]);
continue; continue;
} }
if (arg == "-constr" && argidx+1 < args.size()) { if (arg == "-constr" && argidx+1 < args.size()) {
@ -1643,12 +1645,16 @@ struct AbcPass : public Pass {
} }
extra_args(args, argidx, design); extra_args(args, argidx, design);
if (liberty_files.empty() && !default_liberty_file.empty()) liberty_files.push_back(default_liberty_file);
rewrite_filename(script_file); rewrite_filename(script_file);
if (!script_file.empty() && !is_absolute_path(script_file) && script_file[0] != '+') if (!script_file.empty() && !is_absolute_path(script_file) && script_file[0] != '+')
script_file = std::string(pwd) + "/" + script_file; script_file = std::string(pwd) + "/" + script_file;
rewrite_filename(liberty_file); for (int i = 0; i < GetSize(liberty_files); i++) {
if (!liberty_file.empty() && !is_absolute_path(liberty_file)) rewrite_filename(liberty_files[i]);
liberty_file = std::string(pwd) + "/" + liberty_file; if (!liberty_files[i].empty() && !is_absolute_path(liberty_files[i]))
liberty_files[i] = std::string(pwd) + "/" + liberty_files[i];
}
rewrite_filename(constr_file); rewrite_filename(constr_file);
if (!constr_file.empty() && !is_absolute_path(constr_file)) if (!constr_file.empty() && !is_absolute_path(constr_file))
constr_file = std::string(pwd) + "/" + constr_file; constr_file = std::string(pwd) + "/" + constr_file;
@ -1811,9 +1817,9 @@ struct AbcPass : public Pass {
} }
} }
if (!lut_costs.empty() && !liberty_file.empty()) if (!lut_costs.empty() && !liberty_files.empty())
log_cmd_error("Got -lut and -liberty! These two options are exclusive.\n"); log_cmd_error("Got -lut and -liberty! These two options are exclusive.\n");
if (!constr_file.empty() && liberty_file.empty()) if (!constr_file.empty() && liberty_files.empty())
log_cmd_error("Got -constr but no -liberty!\n"); log_cmd_error("Got -constr but no -liberty!\n");
if (enabled_gates.empty()) { if (enabled_gates.empty()) {
@ -1844,7 +1850,7 @@ struct AbcPass : public Pass {
initvals.set(&assign_map, mod); initvals.set(&assign_map, mod);
if (!dff_mode || !clk_str.empty()) { if (!dff_mode || !clk_str.empty()) {
abc_module(design, mod, script_file, exe_file, liberty_file, constr_file, cleanup, lut_costs, dff_mode, clk_str, keepff, abc_module(design, mod, script_file, exe_file, liberty_files, constr_file, cleanup, lut_costs, dff_mode, clk_str, keepff,
delay_target, sop_inputs, sop_products, lutin_shared, fast_mode, mod->selected_cells(), show_tempdir, sop_mode, abc_dress); delay_target, sop_inputs, sop_products, lutin_shared, fast_mode, mod->selected_cells(), show_tempdir, sop_mode, abc_dress);
continue; continue;
} }
@ -1989,7 +1995,7 @@ struct AbcPass : public Pass {
clk_sig = assign_map(std::get<1>(it.first)); clk_sig = assign_map(std::get<1>(it.first));
en_polarity = std::get<2>(it.first); en_polarity = std::get<2>(it.first);
en_sig = assign_map(std::get<3>(it.first)); en_sig = assign_map(std::get<3>(it.first));
abc_module(design, mod, script_file, exe_file, liberty_file, constr_file, cleanup, lut_costs, !clk_sig.empty(), "$", abc_module(design, mod, script_file, exe_file, liberty_files, constr_file, cleanup, lut_costs, !clk_sig.empty(), "$",
keepff, delay_target, sop_inputs, sop_products, lutin_shared, fast_mode, it.second, show_tempdir, sop_mode, abc_dress); keepff, delay_target, sop_inputs, sop_products, lutin_shared, fast_mode, it.second, show_tempdir, sop_mode, abc_dress);
assign_map.set(mod); assign_map.set(mod);
} }