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Code Issues Releases Wiki Activity

generic: New Property interface

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Signed-off-by: David Shah <dave@ds0.me>
This commit is contained in:
David Shah
2019-08-05 17:28:54 +01:00
parent ec48f8f464
commit ebcdfc1ae8
6 changed files with 21 additions and 22 deletions
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26
generic/cells.cc
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@@ -43,8 +43,8 @@ std::unique_ptr<CellInfo> create_generic_cell(Context *ctx, IdString type, std::
new_cell->type = type;
if (type == ctx->id("GENERIC_SLICE")) {
new_cell->params[ctx->id("K")] = std::to_string(ctx->args.K);
new_cell->params[ctx->id("INIT")] = "0";
new_cell->params[ctx->id("FF_USED")] = "0";
new_cell->params[ctx->id("INIT")] = 0;
new_cell->params[ctx->id("FF_USED")] = 0;
for (int i = 0; i < ctx->args.K; i++)
add_port(ctx, new_cell.get(), "I[" + std::to_string(i) + "]", PORT_IN);
@@ -53,9 +53,9 @@ std::unique_ptr<CellInfo> create_generic_cell(Context *ctx, IdString type, std::
add_port(ctx, new_cell.get(), "Q", PORT_OUT);
} else if (type == ctx->id("GENERIC_IOB")) {
new_cell->params[ctx->id("INPUT_USED")] = "0";
new_cell->params[ctx->id("OUTPUT_USED")] = "0";
new_cell->params[ctx->id("ENABLE_USED")] = "0";
new_cell->params[ctx->id("INPUT_USED")] = 0;
new_cell->params[ctx->id("OUTPUT_USED")] = 0;
new_cell->params[ctx->id("ENABLE_USED")] = 0;
add_port(ctx, new_cell.get(), "PAD", PORT_INOUT);
add_port(ctx, new_cell.get(), "I", PORT_IN);
@@ -81,17 +81,17 @@ void lut_to_lc(const Context *ctx, CellInfo *lut, CellInfo *lc, bool no_dff)
if (no_dff) {
replace_port(lut, ctx->id("Q"), lc, ctx->id("Q"));
lc->params[ctx->id("FF_USED")] = "0";
lc->params[ctx->id("FF_USED")] = 0;
}
}
void dff_to_lc(const Context *ctx, CellInfo *dff, CellInfo *lc, bool pass_thru_lut)
{
lc->params[ctx->id("FF_USED")] = "1";
lc->params[ctx->id("FF_USED")] = 1;
replace_port(dff, ctx->id("CLK"), lc, ctx->id("CLK"));
if (pass_thru_lut) {
lc->params[ctx->id("INIT")] = "2";
lc->params[ctx->id("INIT")] = 2;
replace_port(dff, ctx->id("D"), lc, ctx->id("I[0]"));
}
@@ -101,15 +101,15 @@ void dff_to_lc(const Context *ctx, CellInfo *dff, CellInfo *lc, bool pass_thru_l
void nxio_to_iob(Context *ctx, CellInfo *nxio, CellInfo *iob, std::unordered_set<IdString> &todelete_cells)
{
if (nxio->type == ctx->id("$nextpnr_ibuf")) {
iob->params[ctx->id("INPUT_USED")] = "1";
iob->params[ctx->id("INPUT_USED")] = 1;
replace_port(nxio, ctx->id("O"), iob, ctx->id("O"));
} else if (nxio->type == ctx->id("$nextpnr_obuf")) {
iob->params[ctx->id("OUTPUT_USED")] = "1";
iob->params[ctx->id("OUTPUT_USED")] = 1;
replace_port(nxio, ctx->id("I"), iob, ctx->id("I"));
} else if (nxio->type == ctx->id("$nextpnr_iobuf")) {
// N.B. tristate will be dealt with below
iob->params[ctx->id("INPUT_USED")] = "1";
iob->params[ctx->id("OUTPUT_USED")] = "1";
iob->params[ctx->id("INPUT_USED")] = 1;
iob->params[ctx->id("OUTPUT_USED")] = 1;
replace_port(nxio, ctx->id("I"), iob, ctx->id("I"));
replace_port(nxio, ctx->id("O"), iob, ctx->id("O"));
} else {
@@ -120,7 +120,7 @@ void nxio_to_iob(Context *ctx, CellInfo *nxio, CellInfo *iob, std::unordered_set
ctx, donet, [](const Context *ctx, const CellInfo *cell) { return cell->type == ctx->id("$_TBUF_"); },
ctx->id("Y"));
if (tbuf) {
iob->params[ctx->id("ENABLE_USED")] = "1";
iob->params[ctx->id("ENABLE_USED")] = 1;
replace_port(tbuf, ctx->id("A"), iob, ctx->id("I"));
replace_port(tbuf, ctx->id("E"), iob, ctx->id("EN"));