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Merge remote-tracking branch 'origin/master' into eddie/abc9_refactor

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Eddie Hung 2020-01-13 09:22:42 -08:00
commit 9f3cb981d7
9 changed files with 418 additions and 90 deletions
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25
passes/cmds/scratchpad.cc
View file

@ -70,8 +70,10 @@ struct ScratchpadPass : public Pass {
{
if (args[argidx] == "-get" && argidx+1 < args.size()) {
string identifier = args[++argidx];
if (design->scratchpad.count(identifier)){
if (design->scratchpad.count(identifier)) {
log("%s\n", design->scratchpad_get_string(identifier).c_str());
} else if (RTLIL::constpad.count(identifier)) {
log("%s\n", RTLIL::constpad.at(identifier).c_str());
} else {
log("\"%s\" not set\n", identifier.c_str());
}
@ -79,6 +81,8 @@ struct ScratchpadPass : public Pass {
}
if (args[argidx] == "-set" && argidx+2 < args.size()) {
string identifier = args[++argidx];
if (RTLIL::constpad.count(identifier))
log_error("scratchpad entry \"%s\" is a global constant\n", identifier.c_str());
string value = args[++argidx];
if (value.front() == '\"' && value.back() == '\"') value = value.substr(1, value.size() - 2);
design->scratchpad_set_string(identifier, value);
@ -92,8 +96,15 @@ struct ScratchpadPass : public Pass {
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);
string value;
if (design->scratchpad.count(identifier_from))
value = design->scratchpad_get_string(identifier_from);
else if (RTLIL::constpad.count(identifier_from))
value = RTLIL::constpad.at(identifier_from);
else
log_error("\"%s\" not set\n", identifier_from.c_str());
if (RTLIL::constpad.count(identifier_to))
log_error("scratchpad entry \"%s\" is a global constant\n", identifier_to.c_str());
design->scratchpad_set_string(identifier_to, value);
continue;
}
@ -102,10 +113,10 @@ struct ScratchpadPass : public Pass {
string expected = args[++argidx];
if (expected.front() == '\"' && expected.back() == '\"') expected = expected.substr(1, expected.size() - 2);
if (design->scratchpad.count(identifier) == 0)
log_error("Assertion failed: scratchpad entry '%s' is not defined\n", identifier.c_str());
log_error("scratchpad entry '%s' is not defined\n", identifier.c_str());
string value = design->scratchpad_get_string(identifier);
if (value != expected) {
log_error("Assertion failed: scratchpad entry '%s' is set to '%s' instead of the asserted '%s'\n",
log_error("scratchpad entry '%s' is set to '%s' instead of the asserted '%s'\n",
identifier.c_str(), value.c_str(), expected.c_str());
}
continue;
@ -113,13 +124,13 @@ struct ScratchpadPass : public Pass {
if (args[argidx] == "-assert-set" && argidx+1 < args.size()) {
string identifier = args[++argidx];
if (design->scratchpad.count(identifier) == 0)
log_error("Assertion failed: scratchpad entry '%s' is not defined\n", identifier.c_str());
log_error("scratchpad entry '%s' is not defined\n", identifier.c_str());
continue;
}
if (args[argidx] == "-assert-unset" && argidx+1 < args.size()) {
string identifier = args[++argidx];
if (design->scratchpad.count(identifier) > 0)
log_error("Assertion failed: scratchpad entry '%s' is defined\n", identifier.c_str());
log_error("scratchpad entry '%s' is defined\n", identifier.c_str());
continue;
}
break;

70
passes/techmap/abc9.cc
View file

@ -18,18 +18,69 @@
*
*/
// [[CITE]] ABC
// Berkeley Logic Synthesis and Verification Group, ABC: A System for Sequential Synthesis and Verification
// http://www.eecs.berkeley.edu/~alanmi/abc/
#include "kernel/register.h"
#include "kernel/celltypes.h"
#include "kernel/rtlil.h"
#include "kernel/log.h"
// abc9_exe.cc
std::string fold_abc9_cmd(std::string str);
USING_YOSYS_NAMESPACE
PRIVATE_NAMESPACE_BEGIN
struct Abc9Pass : public ScriptPass
{
Abc9Pass() : ScriptPass("abc9", "use ABC9 for technology mapping") { }
void on_register() YS_OVERRIDE
{
RTLIL::constpad["abc9.script.default"] = "+&scorr; &sweep; &dc2; &dch -f; &ps; &if {C} {W} {D} {R} -v; &mfs";
RTLIL::constpad["abc9.script.default.area"] = "+&scorr; &sweep; &dc2; &dch -f; &ps; &if {C} {W} {D} {R} -a -v; &mfs";
RTLIL::constpad["abc9.script.default.fast"] = "+&if {C} {W} {D} {R} -v";
// Based on ABC's &flow
RTLIL::constpad["abc9.script.flow"] = "+&scorr; &sweep;" \
"&dch -C 500;" \
/* Round 1 */ \
/* Map 1 */ "&unmap; &if {C} {W} {D} {R} -v; &save; &load; &mfs;" \
"&st; &dsdb;" \
/* Map 2 */ "&unmap; &if {C} {W} {D} {R} -v; &save; &load; &mfs;" \
"&st; &syn2 -m -R 10; &dsdb;" \
"&blut -a -K 6;" \
/* Map 3 */ "&unmap; &if {C} {W} {D} {R} -v; &save; &load; &mfs;" \
/* Round 2 */ \
"&st; &sopb;" \
/* Map 1 */ "&unmap; &if {C} {W} {D} {R} -v; &save; &load; &mfs;" \
"&st; &dsdb;" \
/* Map 2 */ "&unmap; &if {C} {W} {D} {R} -v; &save; &load; &mfs;" \
"&st; &syn2 -m -R 10; &dsdb;" \
"&blut -a -K 6;" \
/* Map 3 */ "&unmap; &if {C} {W} {D} {R} -v; &save; &load; &mfs;" \
/* Round 3 */ \
/* Map 1 */ "&unmap; &if {C} {W} {D} {R} -v; &save; &load; &mfs;" \
"&st; &dsdb;" \
/* Map 2 */ "&unmap; &if {C} {W} {D} {R} -v; &save; &load; &mfs;" \
"&st; &syn2 -m -R 10; &dsdb;" \
"&blut -a -K 6;" \
/* Map 3 */ "&unmap; &if {C} {W} {D} {R} -v; &save; &load; &mfs;";
// Based on ABC's &flow2
RTLIL::constpad["abc9.script.flow2"] = "+&scorr; &sweep;" \
/* Comm1 */ "&synch2 -K 6 -C 500; &if -m {C} {W} {D} {R} -v; &mfs "/*"-W 4 -M 500 -C 7000"*/"; &save;"\
/* Comm2 */ "&dch -C 500; &if -m {C} {W} {D} {R} -v; &mfs "/*"-W 4 -M 500 -C 7000"*/"; &save;"\
"&load; &st; &sopb -R 10 -C 4; " \
/* Comm3 */ "&synch2 -K 6 -C 500; &if -m "/*"-E 5"*/" {C} {W} {D} {R} -v; &mfs "/*"-W 4 -M 500 -C 7000"*/"; &save;"\
/* Comm2 */ "&dch -C 500; &if -m {C} {W} {D} {R} -v; &mfs "/*"-W 4 -M 500 -C 7000"*/"; &save; "\
"&load";
// Based on ABC's &flow3
RTLIL::constpad["abc9.script.flow3"] = "+&scorr; &sweep;" \
"&if {C} {W} {D}; &save; &st; &syn2; &if {C} {W} {D} {R} -v; &save; &load;"\
"&st; &if {C} -g -K 6; &dch -f; &if {C} {W} {D} {R} -v; &save; &load;"\
"&st; &if {C} -g -K 6; &synch2; &if {C} {W} {D} {R} -v; &save; &load;"\
"&mfs";
}
void help() YS_OVERRIDE
{
// |---v---|---v---|---v---|---v---|---v---|---v---|---v---|---v---|---v---|---v---|
@ -57,14 +108,12 @@ struct Abc9Pass : public ScriptPass
log(" replaced with blanks before the string is passed to ABC.\n");
log("\n");
log(" if no -script parameter is given, the following scripts are used:\n");
//FIXME:
//log("%s\n", fold_abc9_cmd(ABC_COMMAND_LUT).c_str());
log("%s\n", fold_abc9_cmd(RTLIL::constpad.at("abc9.script.default").substr(1,std::string::npos)).c_str());
log("\n");
log(" -fast\n");
log(" use different default scripts that are slightly faster (at the cost\n");
log(" of output quality):\n");
//FIXME:
//log("%s\n", fold_abc9_cmd(ABC_FAST_COMMAND_LUT).c_str());
log("%s\n", fold_abc9_cmd(RTLIL::constpad.at("abc9.script.default.fast").substr(1,std::string::npos)).c_str());
log("\n");
log(" -D <picoseconds>\n");
log(" set delay target. the string {D} in the default scripts above is\n");
@ -104,7 +153,7 @@ struct Abc9Pass : public ScriptPass
log(" command output is identical across runs.\n");
log("\n");
log(" -box <file>\n");
log(" pass this file with box library to ABC. Use with -lut.\n");
log(" pass this file with box library to ABC.\n");
log("\n");
log("Note that this is a logic optimization pass within Yosys that is calling ABC\n");
log("internally. This is not going to \"run ABC on your design\". It will instead run\n");
@ -139,6 +188,11 @@ struct Abc9Pass : public ScriptPass
dff_mode = design->scratchpad_get_bool("abc9.dff", dff_mode);
cleanup = !design->scratchpad_get_bool("abc9.nocleanup", !cleanup);
if (design->scratchpad_get_bool("abc9.debug")) {
cleanup = false;
exe_cmd << " -showtmp";
}
size_t argidx;
for (argidx = 1; argidx < args.size(); argidx++) {
std::string arg = args[argidx];
@ -150,13 +204,13 @@ struct Abc9Pass : public ScriptPass
continue;
}
if (arg == "-fast" || /* arg == "-dff" || */
/* arg == "-nocleanup" || */ arg == "-showtmp" ||
arg == "-nomfs") {
/* arg == "-nocleanup" || */ arg == "-showtmp") {
exe_cmd << " " << arg;
continue;
}
if (arg == "-dff") {
dff_mode = true;
exe_cmd << " " << arg;
continue;
}
if (arg == "-nocleanup") {

118
passes/techmap/abc9_exe.cc
View file

@ -22,20 +22,6 @@
// Berkeley Logic Synthesis and Verification Group, ABC: A System for Sequential Synthesis and Verification
// http://www.eecs.berkeley.edu/~alanmi/abc/
#if 0
// Based on &flow3 - better QoR but more experimental
#define ABC_COMMAND_LUT "&st; &ps -l; &sweep -v; &scorr; " \
"&st; &if {W}; &save; &st; &syn2; &if {W} -v; &save; &load; "\
"&st; &if -g -K 6; &dch -f; &if {W} -v; &save; &load; "\
"&st; &if -g -K 6; &synch2; &if {W} -v; &save; &load; "\
"&mfs; &ps -l"
#else
#define ABC_COMMAND_LUT "&st; &scorr; &sweep; &dc2; &st; &dch -f; &ps; &if {W} {D} -v; &mfs; &ps -l"
#endif
#define ABC_FAST_COMMAND_LUT "&st; &if {W} {D}"
#include "kernel/register.h"
#include "kernel/log.h"
@ -48,6 +34,25 @@
extern "C" int Abc_RealMain(int argc, char *argv[]);
#endif
std::string fold_abc9_cmd(std::string str)
{
std::string token, new_str = " ";
int char_counter = 10;
for (size_t i = 0; i <= str.size(); i++) {
if (i < str.size())
token += str[i];
if (i == str.size() || str[i] == ';') {
if (char_counter + token.size() > 75)
new_str += "\n ", char_counter = 14;
new_str += token, char_counter += token.size();
token.clear();
}
}
return new_str;
}
USING_YOSYS_NAMESPACE
PRIVATE_NAMESPACE_BEGIN
@ -73,25 +78,6 @@ std::string add_echos_to_abc9_cmd(std::string str)
return new_str;
}
std::string fold_abc9_cmd(std::string str)
{
std::string token, new_str = " ";
int char_counter = 10;
for (size_t i = 0; i <= str.size(); i++) {
if (i < str.size())
token += str[i];
if (i == str.size() || str[i] == ';') {
if (char_counter + token.size() > 75)
new_str += "\n ", char_counter = 14;
new_str += token, char_counter += token.size();
token.clear();
}
}
return new_str;
}
std::string replace_tempdir(std::string text, std::string tempdir_name, bool show_tempdir)
{
if (show_tempdir)
@ -177,9 +163,9 @@ struct abc9_output_filter
};
void abc9_module(RTLIL::Design *design, std::string script_file, std::string exe_file,
vector<int> lut_costs, std::string delay_target, std::string /*lutin_shared*/, bool fast_mode,
vector<int> lut_costs, bool dff_mode, std::string delay_target, std::string /*lutin_shared*/, bool fast_mode,
bool show_tempdir, std::string box_file, std::string lut_file,
std::string wire_delay, bool nomfs, std::string tempdir_name
std::string wire_delay, std::string tempdir_name
)
{
//FIXME:
@ -188,20 +174,15 @@ void abc9_module(RTLIL::Design *design, std::string script_file, std::string exe
std::string abc9_script;
if (!lut_costs.empty()) {
if (!lut_costs.empty())
abc9_script += stringf("read_lut %s/lutdefs.txt; ", tempdir_name.c_str());
if (!box_file.empty())
abc9_script += stringf("read_box %s; ", box_file.c_str());
}
else
if (!lut_file.empty()) {
else if (!lut_file.empty())
abc9_script += stringf("read_lut %s; ", lut_file.c_str());
if (!box_file.empty())
abc9_script += stringf("read_box %s; ", box_file.c_str());
}
else
log_abort();
log_assert(!box_file.empty());
abc9_script += stringf("read_box %s; ", box_file.c_str());
abc9_script += stringf("&read %s/input.xaig; &ps; ", tempdir_name.c_str());
if (!script_file.empty()) {
@ -216,7 +197,8 @@ void abc9_module(RTLIL::Design *design, std::string script_file, std::string exe
} else
abc9_script += stringf("source %s", script_file.c_str());
} else if (!lut_costs.empty() || !lut_file.empty()) {
abc9_script += fast_mode ? ABC_FAST_COMMAND_LUT : ABC_COMMAND_LUT;
abc9_script += fast_mode ? RTLIL::constpad.at("abc9.script.default.fast").substr(1,std::string::npos)
: RTLIL::constpad.at("abc9.script.default").substr(1,std::string::npos);
} else
log_abort();
@ -229,11 +211,26 @@ void abc9_module(RTLIL::Design *design, std::string script_file, std::string exe
for (size_t pos = abc9_script.find("{W}"); pos != std::string::npos; pos = abc9_script.find("{W}", pos))
abc9_script = abc9_script.substr(0, pos) + wire_delay + abc9_script.substr(pos+3);
if (nomfs)
for (size_t pos = abc9_script.find("&mfs"); pos != std::string::npos; pos = abc9_script.find("&mfs", pos))
abc9_script = abc9_script.erase(pos, strlen("&mfs"));
std::string C;
if (design->scratchpad.count("abc9.if.C"))
C = "-C " + design->scratchpad_get_string("abc9.if.C");
for (size_t pos = abc9_script.find("{C}"); pos != std::string::npos; pos = abc9_script.find("{C}", pos))
abc9_script = abc9_script.substr(0, pos) + C + abc9_script.substr(pos+3);
abc9_script += stringf("; &write -n %s/output.aig", tempdir_name.c_str());
std::string R;
if (design->scratchpad.count("abc9.if.R"))
R = "-R " + design->scratchpad_get_string("abc9.if.R");
for (size_t pos = abc9_script.find("{R}"); pos != std::string::npos; pos = abc9_script.find("{R}", pos))
abc9_script = abc9_script.substr(0, pos) + R + abc9_script.substr(pos+3);
abc9_script += stringf("; &ps -l; &write -n %s/output.aig;", tempdir_name.c_str());
if (design->scratchpad_get_bool("abc9.verify")) {
if (dff_mode)
abc9_script += "verify -s;";
else
abc9_script += "verify;";
}
abc9_script += "time";
abc9_script = add_echos_to_abc9_cmd(abc9_script);
for (size_t i = 0; i+1 < abc9_script.size(); i++)
@ -313,12 +310,12 @@ struct Abc9ExePass : public Pass {
log(" replaced with blanks before the string is passed to ABC.\n");
log("\n");
log(" if no -script parameter is given, the following scripts are used:\n");
log("%s\n", fold_abc9_cmd(ABC_COMMAND_LUT).c_str());
log("%s\n", fold_abc9_cmd(RTLIL::constpad.at("abc9.script.default").substr(1,std::string::npos)).c_str());
log("\n");
log(" -fast\n");
log(" use different default scripts that are slightly faster (at the cost\n");
log(" of output quality):\n");
log("%s\n", fold_abc9_cmd(ABC_FAST_COMMAND_LUT).c_str());
log("%s\n", fold_abc9_cmd(RTLIL::constpad.at("abc9.script.default.fast").substr(1,std::string::npos)).c_str());
log("\n");
log(" -D <picoseconds>\n");
log(" set delay target. the string {D} in the default scripts above is\n");
@ -350,7 +347,7 @@ struct Abc9ExePass : public Pass {
log(" command output is identical across runs.\n");
log("\n");
log(" -box <file>\n");
log(" pass this file with box library to ABC. Use with -lut.\n");
log(" pass this file with box library to ABC.\n");
log("\n");
log(" -cwd <dir>\n");
log(" use this as the current working directory, inside which the 'input.xaig'\n");
@ -379,9 +376,8 @@ struct Abc9ExePass : public Pass {
std::string script_file, clk_str, box_file, lut_file;
std::string delay_target, lutin_shared = "-S 1", wire_delay;
std::string tempdir_name;
bool fast_mode = false;
bool fast_mode = false, dff_mode = false;
bool show_tempdir = false;
bool nomfs = false;
vector<int> lut_costs;
#if 0
@ -405,12 +401,12 @@ struct Abc9ExePass : public Pass {
lut_arg = design->scratchpad_get_string("abc9.lut", lut_arg);
luts_arg = design->scratchpad_get_string("abc9.luts", luts_arg);
fast_mode = design->scratchpad_get_bool("abc9.fast", fast_mode);
dff_mode = design->scratchpad_get_bool("abc9.dff", dff_mode);
show_tempdir = design->scratchpad_get_bool("abc9.showtmp", show_tempdir);
box_file = design->scratchpad_get_string("abc9.box", box_file);
if (design->scratchpad.count("abc9.W")) {
wire_delay = "-W " + design->scratchpad_get_string("abc9.W");
}
nomfs = design->scratchpad_get_bool("abc9.nomfs", nomfs);
size_t argidx;
char pwd [PATH_MAX];
@ -448,6 +444,10 @@ struct Abc9ExePass : public Pass {
fast_mode = true;
continue;
}
if (arg == "-dff") {
dff_mode = true;
continue;
}
if (arg == "-showtmp") {
show_tempdir = true;
continue;
@ -460,10 +460,6 @@ struct Abc9ExePass : public Pass {
wire_delay = "-W " + args[++argidx];
continue;
}
if (arg == "-nomfs") {
nomfs = true;
continue;
}
if (arg == "-cwd" && argidx+1 < args.size()) {
tempdir_name = args[++argidx];
continue;
@ -530,9 +526,9 @@ struct Abc9ExePass : public Pass {
log_cmd_error("abc9_exe '-cwd' option is mandatory.\n");
abc9_module(design, script_file, exe_file, lut_costs,
abc9_module(design, script_file, exe_file, lut_costs, dff_mode,
delay_target, lutin_shared, fast_mode, show_tempdir,
box_file, lut_file, wire_delay, nomfs, tempdir_name);
box_file, lut_file, wire_delay, tempdir_name);
}
} Abc9ExePass;