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Add "check -mapped"

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Signed-off-by: Clifford Wolf <clifford@clifford.at>
This commit is contained in:
Clifford Wolf 2019-10-02 13:35:03 +02:00
parent da347b9f7e
commit 45e4c040d7
2 changed files with 36 additions and 21 deletions
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1
CHANGELOG
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@ -50,6 +50,7 @@ Yosys 0.9 .. Yosys 0.9-dev
- "synth_ecp5" to now infer DSP blocks (-nodsp to disable, experimental)
- "synth_ice40 -dsp" to infer DSP blocks
- Added latch support to synth_xilinx
- Added "check -mapped"
Yosys 0.8 .. Yosys 0.9
----------------------

14
passes/cmds/check.cc
View file

@ -47,6 +47,9 @@ struct CheckPass : public Pass {
log("When called with -initdrv then this command also checks for wires which have\n");
log("the 'init' attribute set and aren't driven by a FF cell type.\n");
log("\n");
log("When called with -mapped then this command also checks for internal cells\n");
log("that have not been mapped to cells of the target architecture.\n");
log("\n");
log("When called with -assert then the command will produce an error if any\n");
log("problems are found in the current design.\n");
log("\n");
@ -56,6 +59,7 @@ struct CheckPass : public Pass {
int counter = 0;
bool noinit = false;
bool initdrv = false;
bool mapped = false;
bool assert_mode = false;
size_t argidx;
@ -68,6 +72,10 @@ struct CheckPass : public Pass {
initdrv = true;
continue;
}
if (args[argidx] == "-mapped") {
mapped = true;
continue;
}
if (args[argidx] == "-assert") {
assert_mode = true;
continue;
@ -135,6 +143,11 @@ struct CheckPass : public Pass {
TopoSort<string> topo;
for (auto cell : module->cells())
{
if (mapped && cell->type.begins_with("$") && design->module(cell->type) == nullptr) {
log_warning("Cell %s.%s is an unmapped internal cell of type %s.\n", log_id(module), log_id(cell), log_id(cell->type));
counter++;
}
for (auto &conn : cell->connections()) {
SigSpec sig = sigmap(conn.second);
bool logic_cell = yosys_celltypes.cell_evaluable(cell->type);
@ -159,6 +172,7 @@ struct CheckPass : public Pass {
for (auto bit : sig)
if (bit.wire) wire_drivers_count[bit]++;
}
}
pool<SigBit> init_bits;