mirror of
https://github.com/YosysHQ/yosys
synced 2025-10-19 22:00:33 +00:00
Merging with official repo
This commit is contained in:
commit
4d343fc1cd
28 changed files with 1350 additions and 191 deletions
|
@ -23,6 +23,13 @@
|
|||
#include "kernel/rtlil.h"
|
||||
#include "kernel/log.h"
|
||||
|
||||
#define MODE_ZERO 0
|
||||
#define MODE_ONE 1
|
||||
#define MODE_UNDEF 2
|
||||
#define MODE_RANDOM 3
|
||||
#define MODE_ANYSEQ 4
|
||||
#define MODE_ANYCONST 5
|
||||
|
||||
USING_YOSYS_NAMESPACE
|
||||
PRIVATE_NAMESPACE_BEGIN
|
||||
|
||||
|
@ -97,30 +104,32 @@ struct SetundefWorker
|
|||
|
||||
RTLIL::State next_bit()
|
||||
{
|
||||
if (next_bit_mode == 0)
|
||||
if (next_bit_mode == MODE_ZERO)
|
||||
return RTLIL::State::S0;
|
||||
|
||||
if (next_bit_mode == 1)
|
||||
if (next_bit_mode == MODE_ONE)
|
||||
return RTLIL::State::S1;
|
||||
|
||||
if (next_bit_mode == 2)
|
||||
log_abort();
|
||||
|
||||
if (next_bit_mode == 4)
|
||||
if (next_bit_mode == MODE_UNDEF)
|
||||
return RTLIL::State::Sx;
|
||||
|
||||
// xorshift32
|
||||
next_bit_state ^= next_bit_state << 13;
|
||||
next_bit_state ^= next_bit_state >> 17;
|
||||
next_bit_state ^= next_bit_state << 5;
|
||||
log_assert(next_bit_state != 0);
|
||||
if (next_bit_mode == MODE_RANDOM)
|
||||
{
|
||||
// xorshift32
|
||||
next_bit_state ^= next_bit_state << 13;
|
||||
next_bit_state ^= next_bit_state >> 17;
|
||||
next_bit_state ^= next_bit_state << 5;
|
||||
log_assert(next_bit_state != 0);
|
||||
|
||||
return ((next_bit_state >> (next_bit_state & 15)) & 16) ? RTLIL::State::S0 : RTLIL::State::S1;
|
||||
return ((next_bit_state >> (next_bit_state & 15)) & 16) ? RTLIL::State::S0 : RTLIL::State::S1;
|
||||
}
|
||||
|
||||
log_abort();
|
||||
}
|
||||
|
||||
void operator()(RTLIL::SigSpec &sig)
|
||||
{
|
||||
if (next_bit_mode == 2) {
|
||||
if (next_bit_mode == MODE_ANYSEQ || next_bit_mode == MODE_ANYCONST) {
|
||||
siglist.push_back(&sig);
|
||||
return;
|
||||
}
|
||||
|
@ -145,7 +154,7 @@ struct SetundefPass : public Pass {
|
|||
log(" also set undriven nets to constant values\n");
|
||||
log("\n");
|
||||
log(" -expose\n");
|
||||
log(" also expose undriven nets as inputs\n");
|
||||
log(" also expose undriven nets as inputs (use with -undriven)\n");
|
||||
log("\n");
|
||||
log(" -zero\n");
|
||||
log(" replace with bits cleared (0)\n");
|
||||
|
@ -159,6 +168,9 @@ struct SetundefPass : public Pass {
|
|||
log(" -anyseq\n");
|
||||
log(" replace with $anyseq drivers (for formal)\n");
|
||||
log("\n");
|
||||
log(" -anyconst\n");
|
||||
log(" replace with $anyconst drivers (for formal)\n");
|
||||
log("\n");
|
||||
log(" -random <seed>\n");
|
||||
log(" replace with random bits using the specified integer als seed\n");
|
||||
log(" value for the random number generator.\n");
|
||||
|
@ -191,25 +203,31 @@ struct SetundefPass : public Pass {
|
|||
}
|
||||
if (args[argidx] == "-zero") {
|
||||
got_value = true;
|
||||
worker.next_bit_mode = 0;
|
||||
worker.next_bit_mode = MODE_ZERO;
|
||||
worker.next_bit_state = 0;
|
||||
continue;
|
||||
}
|
||||
if (args[argidx] == "-one") {
|
||||
got_value = true;
|
||||
worker.next_bit_mode = 1;
|
||||
worker.next_bit_mode = MODE_ONE;
|
||||
worker.next_bit_state = 0;
|
||||
continue;
|
||||
}
|
||||
if (args[argidx] == "-anyseq") {
|
||||
got_value = true;
|
||||
worker.next_bit_mode = 2;
|
||||
worker.next_bit_mode = MODE_ANYSEQ;
|
||||
worker.next_bit_state = 0;
|
||||
continue;
|
||||
}
|
||||
if (args[argidx] == "-anyconst") {
|
||||
got_value = true;
|
||||
worker.next_bit_mode = MODE_ANYCONST;
|
||||
worker.next_bit_state = 0;
|
||||
continue;
|
||||
}
|
||||
if (args[argidx] == "-undef") {
|
||||
got_value = true;
|
||||
worker.next_bit_mode = 4;
|
||||
worker.next_bit_mode = MODE_UNDEF;
|
||||
worker.next_bit_state = 0;
|
||||
continue;
|
||||
}
|
||||
|
@ -219,7 +237,7 @@ struct SetundefPass : public Pass {
|
|||
}
|
||||
if (args[argidx] == "-random" && !got_value && argidx+1 < args.size()) {
|
||||
got_value = true;
|
||||
worker.next_bit_mode = 3;
|
||||
worker.next_bit_mode = MODE_RANDOM;
|
||||
worker.next_bit_state = atoi(args[++argidx].c_str()) + 1;
|
||||
for (int i = 0; i < 10; i++)
|
||||
worker.next_bit();
|
||||
|
@ -232,7 +250,10 @@ struct SetundefPass : public Pass {
|
|||
if (expose_mode && !undriven_mode)
|
||||
log_cmd_error("Option -expose must be used with option -undriven.\n");
|
||||
if (!got_value)
|
||||
log_cmd_error("One of the options -zero, -one, -anyseq, or -random <seed> must be specified.\n");
|
||||
log_cmd_error("One of the options -zero, -one, -anyseq, -anyconst, or -random <seed> must be specified.\n");
|
||||
|
||||
if (init_mode && (worker.next_bit_mode == MODE_ANYSEQ || worker.next_bit_mode == MODE_ANYCONST))
|
||||
log_cmd_error("The options -init and -anyseq / -anyconst are exclusive.\n");
|
||||
|
||||
for (auto module : design->selected_modules())
|
||||
{
|
||||
|
@ -419,7 +440,7 @@ struct SetundefPass : public Pass {
|
|||
|
||||
module->rewrite_sigspecs(worker);
|
||||
|
||||
if (worker.next_bit_mode == 2)
|
||||
if (worker.next_bit_mode == MODE_ANYSEQ || worker.next_bit_mode == MODE_ANYCONST)
|
||||
{
|
||||
vector<SigSpec*> siglist;
|
||||
siglist.swap(worker.siglist);
|
||||
|
@ -436,7 +457,10 @@ struct SetundefPass : public Pass {
|
|||
width++;
|
||||
|
||||
if (width > 0) {
|
||||
sig.replace(cursor, module->Anyseq(NEW_ID, width));
|
||||
if (worker.next_bit_mode == MODE_ANYSEQ)
|
||||
sig.replace(cursor, module->Anyseq(NEW_ID, width));
|
||||
else
|
||||
sig.replace(cursor, module->Anyconst(NEW_ID, width));
|
||||
cursor += width;
|
||||
} else {
|
||||
cursor++;
|
||||
|
|
Loading…
Add table
Add a link
Reference in a new issue