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| author | Sylvain Munaut <tnt@246tNt.com> | 2019-01-18 17:51:55 +0100 |
|---|---|---|
| committer | Sylvain Munaut <tnt@246tNt.com> | 2019-01-18 17:53:24 +0100 |
| commit | 830d462f9220737d628bd9409a653799583f83df (patch) | |
| tree | 6499bf8395fce1da2cfbdc1db6eddde6eedc80ef /ice40 | |
| parent | c1d15c749c2aa105ee7b38ebe1b60a27e3743e8c (diff) | |
| download | nextpnr-830d462f9220737d628bd9409a653799583f83df.tar.gz nextpnr-830d462f9220737d628bd9409a653799583f83df.tar.bz2 nextpnr-830d462f9220737d628bd9409a653799583f83df.zip | |
ice40: Add error message if a selected site is not Global Buffer capable
... rather than assert()-out during the call to getWireBelPins() call
Signed-off-by: Sylvain Munaut <tnt@246tNt.com>
Diffstat (limited to 'ice40')
| -rw-r--r-- | ice40/pack.cc | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/ice40/pack.cc b/ice40/pack.cc index 27387a75..b963f48a 100644 --- a/ice40/pack.cc +++ b/ice40/pack.cc @@ -388,6 +388,10 @@ static std::unique_ptr<CellInfo> create_padin_gbuf(Context *ctx, CellInfo *cell, BelId gb_bel; BelId bel = ctx->getBelByName(ctx->id(cell->attrs[ctx->id("BEL")])); auto wire = ctx->getBelPinWire(bel, port_name); + + if (wire == WireId()) + log_error("BEL '%s' has no global buffer connection available\n", ctx->getBelName(bel).c_str(ctx)); + for (auto src_bel : ctx->getWireBelPins(wire)) { if (ctx->getBelType(src_bel.bel) == id_SB_GB && src_bel.pin == id_GLOBAL_BUFFER_OUTPUT) { gb_bel = src_bel.bel; |