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Added "prep -auto-top" and "synth -auto-top"

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This commit is contained in:
Clifford Wolf 2016-07-11 11:40:55 +02:00
parent a72fb85dc2
commit cdb58f68ab
2 changed files with 23 additions and 6 deletions
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15
techlibs/common/prep.cc
View file

@ -42,6 +42,9 @@ struct PrepPass : public ScriptPass
log(" -top <module>\n");
log(" use the specified module as top module (default='top')\n");
log("\n");
log(" -auto-top\n");
log(" automatically determine the top of the design hierarchy\n");
log("\n");
log(" -flatten\n");
log(" flatten the design before synthesis. this will pass '-auto-top' to\n");
log(" 'hierarchy' if no top module is specified.\n");
@ -65,12 +68,14 @@ struct PrepPass : public ScriptPass
}
string top_module, fsm_opts, memory_opts;
bool flatten, ifxmode;
bool autotop, flatten, ifxmode;
virtual void clear_flags() YS_OVERRIDE
{
top_module.clear();
memory_opts.clear();
autotop = false;
flatten = false;
ifxmode = false;
}
@ -97,6 +102,10 @@ struct PrepPass : public ScriptPass
}
continue;
}
if (args[argidx] == "-auto-top") {
autotop = true;
continue;
}
if (args[argidx] == "-flatten") {
flatten = true;
continue;
@ -130,10 +139,10 @@ struct PrepPass : public ScriptPass
if (check_label("begin"))
{
if (help_mode) {
run("hierarchy -check [-top <top>]");
run("hierarchy -check [-top <top> | -auto-top]");
} else {
if (top_module.empty()) {
if (flatten)
if (flatten || autotop)
run("hierarchy -check -auto-top");
else
run("hierarchy -check");

14
techlibs/common/synth.cc
View file

@ -41,6 +41,9 @@ struct SynthPass : public ScriptPass
log(" -top <module>\n");
log(" use the specified module as top module (default='top')\n");
log("\n");
log(" -auto-top\n");
log(" automatically determine the top of the design hierarchy\n");
log("\n");
log(" -flatten\n");
log(" flatten the design before synthesis. this will pass '-auto-top' to\n");
log(" 'hierarchy' if no top module is specified.\n");
@ -73,7 +76,7 @@ struct SynthPass : public ScriptPass
}
string top_module, fsm_opts, memory_opts;
bool flatten, noalumacc, nofsm, noabc;
bool autotop, flatten, noalumacc, nofsm, noabc;
virtual void clear_flags() YS_OVERRIDE
{
@ -81,6 +84,7 @@ struct SynthPass : public ScriptPass
fsm_opts.clear();
memory_opts.clear();
autotop = false;
flatten = false;
noalumacc = false;
nofsm = false;
@ -114,6 +118,10 @@ struct SynthPass : public ScriptPass
}
continue;
}
if (args[argidx] == "-auto-top") {
autotop = true;
continue;
}
if (args[argidx] == "-flatten") {
flatten = true;
continue;
@ -154,10 +162,10 @@ struct SynthPass : public ScriptPass
if (check_label("begin"))
{
if (help_mode) {
run("hierarchy -check [-top <top>]");
run("hierarchy -check [-top <top> | -auto-top]");
} else {
if (top_module.empty()) {
if (flatten)
if (flatten || autotop)
run("hierarchy -check -auto-top");
else
run("hierarchy -check");