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fix one more

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This commit is contained in:
Miodrag Milanovic 2018-06-26 11:22:48 +02:00
parent db890d3a81
commit ac197e0b9e
1 changed files with 14 additions and 12 deletions
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26
ice40/place_legaliser.cc
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@ -199,7 +199,7 @@ class PlacementLegaliser
CellInfo *make_carry_pass_out(PortInfo &cout_port)
{
assert(cout_port.net != nullptr);
CellInfo *lc = create_ice_cell(ctx, ctx->id("ICESTORM_LC"));
std::unique_ptr<CellInfo> lc = create_ice_cell(ctx, ctx->id("ICESTORM_LC"));
lc->params[ctx->id("LUT_INIT")] = "65280"; // 0xff00: O = I3
lc->params[ctx->id("CARRY_ENABLE")] = "1";
lc->ports.at(ctx->id("O")).net = cout_port.net;
@ -208,29 +208,30 @@ class PlacementLegaliser
co_i3_net->driver = cout_port.net->driver;
PortRef i3_r;
i3_r.port = ctx->id("I3");
i3_r.cell = lc;
i3_r.cell = lc.get();
co_i3_net->users.push_back(i3_r);
PortRef o_r;
o_r.port = ctx->id("O");
o_r.cell = lc;
o_r.cell = lc.get();
cout_port.net->driver = o_r;
lc->ports.at(ctx->id("I3")).net = co_i3_net;
// I1=1 feeds carry up the chain, so no need to actually break the chain
lc->ports.at(ctx->id("I1")).net = ctx->nets.at(ctx->id("$PACKER_VCC_NET"));
lc->ports.at(ctx->id("I1")).net = ctx->nets.at(ctx->id("$PACKER_VCC_NET")).get();
PortRef i1_r;
i1_r.port = ctx->id("I1");
i1_r.cell = lc;
i1_r.cell = lc.get();
ctx->nets.at(ctx->id("$PACKER_VCC_NET"))->users.push_back(i1_r);
ctx->cells[lc->name] = lc;
createdCells.insert(lc->name);
return lc;
IdString name = lc->name;
ctx->cells[lc->name] = std::move(lc);
createdCells.insert(name);
return ctx->cells[name].get();
}
// Insert a logic cell to legalise a CIN->fabric connection
CellInfo *make_carry_feed_in(CellInfo *cin_cell, PortInfo &cin_port)
{
assert(cin_port.net != nullptr);
CellInfo *lc = create_ice_cell(ctx, ctx->id("ICESTORM_LC"));
std::unique_ptr<CellInfo> lc = create_ice_cell(ctx, ctx->id("ICESTORM_LC"));
lc->params[ctx->id("CARRY_ENABLE")] = "1";
lc->params[ctx->id("CIN_CONST")] = "1";
lc->params[ctx->id("CIN_SET")] = "1";
@ -242,9 +243,10 @@ class PlacementLegaliser
NetInfo *out_net = new NetInfo();
out_net->name = ctx->id(lc->name.str(ctx) + "$O");
ctx->cells[lc->name] = lc;
createdCells.insert(lc->name);
return lc;
IdString name = lc->name;
ctx->cells[lc->name] = std::move(lc);
createdCells.insert(name);
return ctx->cells[name].get();
}
Context *ctx;