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-rw-r--r--kernel/rtlil.cc1
-rw-r--r--kernel/rtlil.h2
-rw-r--r--kernel/yosys.cc35
-rw-r--r--passes/cmds/scratchpad.cc25
-rw-r--r--passes/techmap/abc9.cc68
5 files changed, 89 insertions, 42 deletions
diff --git a/kernel/rtlil.cc b/kernel/rtlil.cc
index ab4f4f377..f286d139f 100644
--- a/kernel/rtlil.cc
+++ b/kernel/rtlil.cc
@@ -46,6 +46,7 @@ IdString RTLIL::ID::Y;
IdString RTLIL::ID::keep;
IdString RTLIL::ID::whitebox;
IdString RTLIL::ID::blackbox;
+dict<std::string, std::string> RTLIL::constpad;
RTLIL::Const::Const()
{
diff --git a/kernel/rtlil.h b/kernel/rtlil.h
index e5b24cc02..6251d265d 100644
--- a/kernel/rtlil.h
+++ b/kernel/rtlil.h
@@ -377,6 +377,8 @@ namespace RTLIL
extern IdString blackbox;
};
+ extern dict<std::string, std::string> constpad;
+
static inline std::string escape_id(std::string str) {
if (str.size() > 0 && str[0] != '\\' && str[0] != '$')
return "\\" + str;
diff --git a/kernel/yosys.cc b/kernel/yosys.cc
index 8190d8902..6956cbdc3 100644
--- a/kernel/yosys.cc
+++ b/kernel/yosys.cc
@@ -524,6 +524,41 @@ void yosys_setup()
PyRun_SimpleString("import sys");
#endif
+ 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}";
+ // Based on ABC's &flow
+ RTLIL::constpad["abc9.script.flow"] = "&scorr; &sweep;" \
+ /* Round 1 */ \
+ "&unmap; &if {C} {W} {D} {R}; &mfs;" \
+ "&st; &dsdb;" \
+ "&unmap; &if {C} {W} {D} {R}; &mfs;" \
+ "&st; &syn2 -m -R 10; &dsdb;" \
+ "&blut -a -K 6;" \
+ "&unmap; &if {C} {W} {D} {R}; &mfs;" \
+ /* Round 2 */ \
+ "&st; &sopb;" \
+ "&unmap; &if {C} {W} {D} {R}; &mfs;" \
+ "&st; &dsdb;" \
+ "&unmap; &if {C} {W} {D} {R}; &mfs;" \
+ "&st; &syn2 -m -R 10; &dsdb;" \
+ "&blut -a -K 6;" \
+ "&unmap; &if {C} {W} {D} {R} -v; &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";
+
Pass::init_register();
yosys_design = new RTLIL::Design;
yosys_celltypes.setup();
diff --git a/passes/cmds/scratchpad.cc b/passes/cmds/scratchpad.cc
index 7ec55b78e..34ec0863a 100644
--- a/passes/cmds/scratchpad.cc
+++ b/passes/cmds/scratchpad.cc
@@ -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;
diff --git a/passes/techmap/abc9.cc b/passes/techmap/abc9.cc
index 8cb34e523..3fdcc0e5c 100644
--- a/passes/techmap/abc9.cc
+++ b/passes/techmap/abc9.cc
@@ -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/sigtools.h"
#include "kernel/celltypes.h"
@@ -281,18 +267,24 @@ void abc9_module(RTLIL::Design *design, RTLIL::Module *module, std::string scrip
abc9_script += stringf("&read %s/input.xaig; &ps; ", tempdir_name.c_str());
if (!script_file.empty()) {
- if (script_file[0] == '+') {
- for (size_t i = 1; i < script_file.size(); i++)
- if (script_file[i] == '\'')
- abc9_script += "'\\''";
- else if (script_file[i] == ',')
- abc9_script += " ";
- else
- abc9_script += script_file[i];
- } else
+ if (check_file_exists(script_file))
abc9_script += stringf("source %s", script_file.c_str());
+ else {
+ if (script_file[0] == '+') {
+ for (size_t i = 1; i < script_file.size(); i++)
+ if (script_file[i] == '\'')
+ abc9_script += "'\\''";
+ else if (script_file[i] == ',')
+ abc9_script += " ";
+ else
+ abc9_script += script_file[i];
+ }
+ else
+ abc9_script += script_file;
+ }
} 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")
+ : RTLIL::constpad.at("abc9.script.default");
} else
log_abort();
@@ -305,11 +297,23 @@ void abc9_module(RTLIL::Design *design, RTLIL::Module *module, std::string scrip
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);
+ 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);
+
+ std::string R;
+ if (design->scratchpad.count("abc9.if.R"))
+ C = "-C " + 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) + C + 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"));
- abc9_script += stringf("; &write -n %s/output.aig", tempdir_name.c_str());
+ abc9_script += stringf("; &ps -l; &write -n %s/output.aig; time", tempdir_name.c_str());
abc9_script = add_echos_to_abc9_cmd(abc9_script);
for (size_t i = 0; i+1 < abc9_script.size(); i++)
@@ -758,18 +762,15 @@ struct Abc9Pass : public Pass {
log("\n");
log(" if no -script parameter is given, the following scripts are used:\n");
log("\n");
- log(" for -lut/-luts (only one LUT size):\n");
- log("%s\n", fold_abc9_cmd(ABC_COMMAND_LUT).c_str());
- log("\n");
- log(" for -lut/-luts (different LUT sizes):\n");
- log("%s\n", fold_abc9_cmd(ABC_COMMAND_LUT).c_str());
+ log(" for -lut/-luts:\n");
+ log("%s\n", fold_abc9_cmd(RTLIL::constpad.at("abc9.script.default")).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("\n");
log(" for -lut/-luts:\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")).c_str());
log("\n");
log(" -D <picoseconds>\n");
log(" set delay target. the string {D} in the default scripts above is\n");
@@ -883,9 +884,6 @@ struct Abc9Pass : public Pass {
}
if (arg == "-script" && argidx+1 < args.size()) {
script_file = args[++argidx];
- rewrite_filename(script_file);
- if (!script_file.empty() && !is_absolute_path(script_file) && script_file[0] != '+')
- script_file = std::string(pwd) + "/" + script_file;
continue;
}
if (arg == "-D" && argidx+1 < args.size()) {
@@ -937,7 +935,7 @@ struct Abc9Pass : public Pass {
extra_args(args, argidx, design);
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) && check_file_exists(script_file))
script_file = std::string(pwd) + "/" + script_file;
// handle -lut / -luts args
generated by cgit v1.2.3 (git 2.25.1) at 2025-04-08 02:04:49 +0000