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Merge pull request #213 from smunaut/ice40_gbuf_errmsg

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ice40: Add error message if a selected site is not Global Buffer capable
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David Shah 2019-01-21 11:10:11 +00:00 committed by GitHub
commit 00c0ce81ff
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ice40/pack.cc
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@ -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;