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ice40/pack: Copy attributes to packed RAM cells

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Useful to allow manual placement of SPRAM/EBR using BEL attribute
for instance

Signed-off-by: Sylvain Munaut <tnt@246tNt.com>
This commit is contained in:
Sylvain Munaut 2019-01-18 16:38:40 +01:00
parent 7d8b729ff4
commit b274a8f8f0
1 changed files with 4 additions and 0 deletions
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4
ice40/pack.cc
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@ -265,6 +265,8 @@ static void pack_ram(Context *ctx)
std::unique_ptr<CellInfo> packed = std::unique_ptr<CellInfo> packed =
create_ice_cell(ctx, ctx->id("ICESTORM_RAM"), ci->name.str(ctx) + "_RAM"); create_ice_cell(ctx, ctx->id("ICESTORM_RAM"), ci->name.str(ctx) + "_RAM");
packed_cells.insert(ci->name); packed_cells.insert(ci->name);
for (auto attr : ci->attrs)
packed->attrs[attr.first] = attr.second;
for (auto param : ci->params) for (auto param : ci->params)
packed->params[param.first] = param.second; packed->params[param.first] = param.second;
packed->params[ctx->id("NEG_CLK_W")] = packed->params[ctx->id("NEG_CLK_W")] =
@ -991,6 +993,8 @@ static void pack_special(Context *ctx)
std::unique_ptr<CellInfo> packed = std::unique_ptr<CellInfo> packed =
create_ice_cell(ctx, ctx->id("ICESTORM_SPRAM"), ci->name.str(ctx) + "_RAM"); create_ice_cell(ctx, ctx->id("ICESTORM_SPRAM"), ci->name.str(ctx) + "_RAM");
packed_cells.insert(ci->name); packed_cells.insert(ci->name);
for (auto attr : ci->attrs)
packed->attrs[attr.first] = attr.second;
for (auto port : ci->ports) { for (auto port : ci->ports) {
PortInfo &pi = port.second; PortInfo &pi = port.second;
std::string newname = pi.name.str(ctx); std::string newname = pi.name.str(ctx);