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refactor common routes

This commit is contained in:
Lofty 2025-07-21 09:38:27 +01:00
parent 90f5f719f3
commit 56e1452d31
1 changed files with 81 additions and 115 deletions
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196
himbaechel/uarch/gatemate/route_mult.cc
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@ -81,75 +81,114 @@ void GateMateImpl::route_mult() {
log_error("Couldn't find pip from %s to %s\n", ctx->nameOfWire(from), ctx->nameOfWire(to));
};
if (is_fourgroup_a) {
if (x_within_fourgroup == 0 && y_within_fourgroup == 0) {
auto cpe_combout1 = ctx->getBelPinWire(lower->bel, id_OUT);
auto cpe_out1_int = ctx->getWireByName(IdStringList::concat(x1y1, ctx->idf("CPE.OUT1_int")));
ctx->bindWire(cpe_combout1, lower_out, STRENGTH_LOCKED);
ctx->bindPip(find_downhill_pip(cpe_combout1, cpe_out1_int), lower_out, STRENGTH_LOCKED);
if (x_within_fourgroup == 0 && y_within_fourgroup == 0) {
auto cpe_combout1 = ctx->getBelPinWire(lower->bel, id_OUT);
auto cpe_out1_int = ctx->getWireByName(IdStringList::concat(x1y1, ctx->idf("CPE.OUT1_int")));
auto cpe_combout2 = ctx->getBelPinWire(upper->bel, id_OUT);
auto cpe_out2_int = ctx->getWireByName(IdStringList::concat(x1y1, ctx->idf("CPE.OUT2_int")));
ctx->bindWire(cpe_combout1, lower_out, STRENGTH_LOCKED);
ctx->bindPip(find_downhill_pip(cpe_combout1, cpe_out1_int), lower_out, STRENGTH_LOCKED);
ctx->bindWire(cpe_combout2, upper_out, STRENGTH_LOCKED);
ctx->bindPip(find_downhill_pip(cpe_combout2, cpe_out2_int), upper_out, STRENGTH_LOCKED);
auto cpe_combout2 = ctx->getBelPinWire(upper->bel, id_OUT);
auto cpe_out2_int = ctx->getWireByName(IdStringList::concat(x1y1, ctx->idf("CPE.OUT2_int")));
{
log_info(" routing net '%s' -> IN5\n", lower_out->name.c_str(ctx));
ctx->bindWire(cpe_combout2, upper_out, STRENGTH_LOCKED);
ctx->bindPip(find_downhill_pip(cpe_combout2, cpe_out2_int), upper_out, STRENGTH_LOCKED);
{
log_info(" routing net '%s' -> IN5\n", lower_out->name.c_str(ctx));
auto in_mux = ctx->getWireByName(IdStringList::concat(x2y1, ctx->idf("IM.P05.D0")));
auto cpe_in5 = ctx->getWireByName(IdStringList::concat(x2y1, ctx->idf("CPE.IN5")));
auto cpe_in5_int = ctx->getWireByName(IdStringList::concat(x2y1, ctx->idf("CPE.IN5_int")));
if (is_fourgroup_a) {
auto sb_big = ctx->getWireByName(IdStringList::concat(x1y1, ctx->idf("SB_BIG.P05.D0")));
auto in_mux = ctx->getWireByName(IdStringList::concat(x2y1, ctx->idf("IM.P05.D0")));
auto cpe_in5 = ctx->getWireByName(IdStringList::concat(x2y1, ctx->idf("CPE.IN5")));
auto cpe_in5_int = ctx->getWireByName(IdStringList::concat(x2y1, ctx->idf("CPE.IN5_int")));
ctx->bindPip(find_downhill_pip(cpe_out1_int, sb_big), lower_out, STRENGTH_LOCKED);
ctx->bindPip(find_downhill_pip(sb_big, in_mux), lower_out, STRENGTH_LOCKED); // inverting
ctx->bindPip(find_downhill_pip(in_mux, cpe_in5), lower_out, STRENGTH_LOCKED); // inverting
ctx->bindPip(find_downhill_pip(cpe_in5, cpe_in5_int), lower_out, STRENGTH_LOCKED);
} else {
auto sb_sml_d0 = ctx->getWireByName(IdStringList::concat(x1y1, ctx->idf("SB_SML.P05.D0")));
auto sb_sml_y1_int = ctx->getWireByName(IdStringList::concat(x1y1, ctx->idf("SB_SML.P05.Y1_int")));
ctx->bindPip(find_downhill_pip(cpe_out1_int, sb_sml_d0), lower_out, STRENGTH_LOCKED);
ctx->bindPip(find_downhill_pip(sb_sml_d0, sb_sml_y1_int), lower_out, STRENGTH_LOCKED);
ctx->bindPip(find_downhill_pip(sb_sml_y1_int, in_mux), lower_out, STRENGTH_LOCKED); // inverting
}
{
log_info(" routing net '%s' -> IN1\n", upper_out->name.c_str(ctx));
ctx->bindPip(find_downhill_pip(in_mux, cpe_in5), lower_out, STRENGTH_LOCKED); // inverting
ctx->bindPip(find_downhill_pip(cpe_in5, cpe_in5_int), lower_out, STRENGTH_LOCKED);
}
{
log_info(" routing net '%s' -> IN1\n", upper_out->name.c_str(ctx));
auto in_mux = ctx->getWireByName(IdStringList::concat(x2y1, ctx->idf("IM.P01.D0")));
auto cpe_in1 = ctx->getWireByName(IdStringList::concat(x2y1, ctx->idf("CPE.IN1")));
auto cpe_in1_int = ctx->getWireByName(IdStringList::concat(x2y1, ctx->idf("CPE.IN1_int")));
if (is_fourgroup_a) {
auto sb_big = ctx->getWireByName(IdStringList::concat(x1y1, ctx->idf("SB_BIG.P01.D0")));
auto in_mux = ctx->getWireByName(IdStringList::concat(x2y1, ctx->idf("IM.P01.D0")));
auto cpe_in1 = ctx->getWireByName(IdStringList::concat(x2y1, ctx->idf("CPE.IN1")));
auto cpe_in1_int = ctx->getWireByName(IdStringList::concat(x2y1, ctx->idf("CPE.IN1_int")));
ctx->bindPip(find_downhill_pip(cpe_out2_int, sb_big), upper_out, STRENGTH_LOCKED);
ctx->bindPip(find_downhill_pip(sb_big, in_mux), upper_out, STRENGTH_LOCKED); // inverting
ctx->bindPip(find_downhill_pip(in_mux, cpe_in1), upper_out, STRENGTH_LOCKED); // inverting
ctx->bindPip(find_downhill_pip(cpe_in1, cpe_in1_int), upper_out, STRENGTH_LOCKED);
} else {
auto sb_sml_d0 = ctx->getWireByName(IdStringList::concat(x1y1, ctx->idf("SB_SML.P01.D0")));
auto sb_sml_y1_int = ctx->getWireByName(IdStringList::concat(x1y1, ctx->idf("SB_SML.P01.Y1_int")));
ctx->bindPip(find_downhill_pip(cpe_out2_int, sb_sml_d0), upper_out, STRENGTH_LOCKED);
ctx->bindPip(find_downhill_pip(sb_sml_d0, sb_sml_y1_int), upper_out, STRENGTH_LOCKED);
ctx->bindPip(find_downhill_pip(sb_sml_y1_int, in_mux), upper_out, STRENGTH_LOCKED); // inverting
}
if (needs_in8_route) {
log_info(" routing net '%s' -> IN8\n", upper_out->name.c_str(ctx));
ctx->bindPip(find_downhill_pip(in_mux, cpe_in1), upper_out, STRENGTH_LOCKED); // inverting
ctx->bindPip(find_downhill_pip(cpe_in1, cpe_in1_int), upper_out, STRENGTH_LOCKED);
}
auto out_mux_d0 = ctx->getWireByName(IdStringList::concat(x2y2, ctx->idf("OM.P12.D0")));
auto out_mux_y = ctx->getWireByName(IdStringList::concat(x2y2, ctx->idf("OM.P12.Y")));
if (needs_in8_route) {
log_info(" routing net '%s' -> IN8\n", upper_out->name.c_str(ctx));
auto out_mux_d0 = ctx->getWireByName(IdStringList::concat(x2y2, ctx->idf("OM.P12.D0")));
auto out_mux_y = ctx->getWireByName(IdStringList::concat(x2y2, ctx->idf("OM.P12.Y")));
auto in_mux_p12 = ctx->getWireByName(IdStringList::concat(x2y2, ctx->idf("IM.P12.D2")));
auto in_mux_p04 = ctx->getWireByName(IdStringList::concat(x2y2, ctx->idf("IM.P04.D7"))); // aka IM.P12.Y
auto in_mux_p08 = ctx->getWireByName(IdStringList::concat(x2y2, ctx->idf("IM.P08.D6"))); // aka IM.P04.Y
auto in_mux_p08_y = ctx->getWireByName(IdStringList::concat(x2y2, ctx->idf("IM.P08.Y")));
auto cpe_in8_int = ctx->getWireByName(IdStringList::concat(x2y2, ctx->idf("CPE.IN8_int")));
ctx->bindPip(find_downhill_pip(out_mux_d0, out_mux_y), upper_out, STRENGTH_LOCKED); // inverting
if (is_fourgroup_a) {
auto sb_sml = ctx->getWireByName(IdStringList::concat(x2y2, ctx->idf("SB_SML.P12.Y1_int")));
auto sb_big_d2_1 = ctx->getWireByName(IdStringList::concat(x4y2, ctx->idf("SB_BIG.P12.D2_1")));
auto sb_big_y1 = ctx->getWireByName(IdStringList::concat(x4y2, ctx->idf("SB_BIG.P12.Y1")));
auto sb_big_ydiag = ctx->getWireByName(IdStringList::concat(x4y2, ctx->idf("SB_BIG.P12.YDIAG")));
auto in_mux_p12 = ctx->getWireByName(IdStringList::concat(x2y2, ctx->idf("IM.P12.D2")));
auto in_mux_p04 = ctx->getWireByName(IdStringList::concat(x2y2, ctx->idf("IM.P04.D7"))); // aka IM.P12.Y
auto in_mux_p08 = ctx->getWireByName(IdStringList::concat(x2y2, ctx->idf("IM.P08.D6"))); // aka IM.P04.Y
auto in_mux_p08_y = ctx->getWireByName(IdStringList::concat(x2y2, ctx->idf("IM.P08.Y")));
auto cpe_in8_int = ctx->getWireByName(IdStringList::concat(x2y2, ctx->idf("CPE.IN8_int")));
ctx->bindPip(find_downhill_pip(out_mux_d0, out_mux_y), upper_out, STRENGTH_LOCKED); // inverting
ctx->bindPip(find_downhill_pip(out_mux_y, sb_sml), upper_out, STRENGTH_LOCKED);
ctx->bindPip(find_downhill_pip(sb_sml, sb_big_d2_1), upper_out, STRENGTH_LOCKED); // inverting
ctx->bindPip(find_downhill_pip(sb_big_d2_1, sb_big_y1), upper_out, STRENGTH_LOCKED); // inverting
ctx->bindPip(find_downhill_pip(sb_big_y1, sb_big_ydiag), upper_out, STRENGTH_LOCKED); // inverting
ctx->bindPip(find_downhill_pip(sb_big_ydiag, in_mux_p12), upper_out, STRENGTH_LOCKED); // inverting
ctx->bindPip(find_downhill_pip(in_mux_p12, in_mux_p04), upper_out, STRENGTH_LOCKED); // inverting
ctx->bindPip(find_downhill_pip(in_mux_p04, in_mux_p08), upper_out, STRENGTH_LOCKED); // inverting
ctx->bindPip(find_downhill_pip(in_mux_p08, in_mux_p08_y), upper_out, STRENGTH_LOCKED); // inverting
ctx->bindPip(find_downhill_pip(in_mux_p08_y, cpe_in8_int), upper_out, STRENGTH_LOCKED);
} else {
auto sb_big = ctx->getWireByName(IdStringList::concat(x2y2, ctx->idf("SB_BIG.P12.Y1"))); // aka x4y2/SB_SML.P12.D2_1
auto sb_sml_y1_int = ctx->getWireByName(IdStringList::concat(x4y2, ctx->idf("SB_SML.P12.Y1_int")));
auto sb_sml_ydiag_int = ctx->getWireByName(IdStringList::concat(x4y2, ctx->idf("SB_SML.P12.YDIAG_int")));
auto sb_sml_y3_int = ctx->getWireByName(IdStringList::concat(x4y2, ctx->idf("SB_SML.P12.Y3_int")));
ctx->bindPip(find_downhill_pip(out_mux_y, sb_big), upper_out, STRENGTH_LOCKED); // inverting
ctx->bindPip(find_downhill_pip(sb_big, sb_sml_y1_int), upper_out, STRENGTH_LOCKED);
ctx->bindPip(find_downhill_pip(sb_sml_y1_int, sb_sml_ydiag_int), upper_out, STRENGTH_LOCKED);
ctx->bindPip(find_downhill_pip(sb_sml_ydiag_int, sb_sml_y3_int), upper_out, STRENGTH_LOCKED);
ctx->bindPip(find_downhill_pip(sb_sml_y3_int, in_mux_p12), upper_out, STRENGTH_LOCKED); // inverting
}
} else if (x_within_fourgroup == 0 && y_within_fourgroup == 1) {
ctx->bindPip(find_downhill_pip(in_mux_p12, in_mux_p04), upper_out, STRENGTH_LOCKED); // inverting
ctx->bindPip(find_downhill_pip(in_mux_p04, in_mux_p08), upper_out, STRENGTH_LOCKED); // inverting
ctx->bindPip(find_downhill_pip(in_mux_p08, in_mux_p08_y), upper_out, STRENGTH_LOCKED); // inverting
ctx->bindPip(find_downhill_pip(in_mux_p08_y, cpe_in8_int), upper_out, STRENGTH_LOCKED);
}
} else if (is_fourgroup_a) {
if (x_within_fourgroup == 0 && y_within_fourgroup == 1) {
/* auto cpe_combout1 = ctx->getBelPinWire(lower->bel, id_OUT);
auto cpe_out1_int = ctx->getWireByName(IdStringList::concat(x1y1, ctx->idf("CPE.OUT1_int")));
@ -192,7 +231,7 @@ void GateMateImpl::route_mult() {
ctx->bindPip(find_downhill_pip(in_mux_p08, in_mux_p08_y), upper_out, STRENGTH_LOCKED); // inverting
ctx->bindPip(find_downhill_pip(in_mux_p08_y, cpe_in8_int), upper_out, STRENGTH_LOCKED);
}
} else if (x_within_fourgroup == 0 && y_within_fourgroup == 1) {
} else if (false && x_within_fourgroup == 0 && y_within_fourgroup == 1) {
/* auto cpe_combout1 = ctx->getBelPinWire(lower->bel, id_OUT);
auto cpe_out1_int = ctx->getWireByName(IdStringList::concat(x1y1, ctx->idf("CPE.OUT1_int")));
@ -215,81 +254,8 @@ void GateMateImpl::route_mult() {
log_info(" don't know how to route net '%s' (it's four-group A, (%d, %d))\n", upper_out->name.c_str(ctx), x_within_fourgroup, y_within_fourgroup);
}
} else {
if (x_within_fourgroup == 0 && y_within_fourgroup == 0) {
auto cpe_combout1 = ctx->getBelPinWire(lower->bel, id_OUT);
auto cpe_out1_int = ctx->getWireByName(IdStringList::concat(x1y1, ctx->idf("CPE.OUT1_int")));
ctx->bindWire(cpe_combout1, lower_out, STRENGTH_LOCKED);
ctx->bindPip(find_downhill_pip(cpe_combout1, cpe_out1_int), lower_out, STRENGTH_LOCKED);
auto cpe_combout2 = ctx->getBelPinWire(upper->bel, id_OUT);
auto cpe_out2_int = ctx->getWireByName(IdStringList::concat(x1y1, ctx->idf("CPE.OUT2_int")));
ctx->bindWire(cpe_combout2, upper_out, STRENGTH_LOCKED);
ctx->bindPip(find_downhill_pip(cpe_combout2, cpe_out2_int), upper_out, STRENGTH_LOCKED);
{
log_info(" routing net '%s' -> IN5\n", lower_out->name.c_str(ctx));
auto sb_sml_d0 = ctx->getWireByName(IdStringList::concat(x1y1, ctx->idf("SB_SML.P05.D0")));
auto sb_sml_y1_int = ctx->getWireByName(IdStringList::concat(x1y1, ctx->idf("SB_SML.P05.Y1_int")));
auto in_mux = ctx->getWireByName(IdStringList::concat(x2y1, ctx->idf("IM.P05.D0")));
auto cpe_in5 = ctx->getWireByName(IdStringList::concat(x2y1, ctx->idf("CPE.IN5")));
auto cpe_in5_int = ctx->getWireByName(IdStringList::concat(x2y1, ctx->idf("CPE.IN5_int")));
ctx->bindPip(find_downhill_pip(cpe_out1_int, sb_sml_d0), lower_out, STRENGTH_LOCKED);
ctx->bindPip(find_downhill_pip(sb_sml_d0, sb_sml_y1_int), lower_out, STRENGTH_LOCKED);
ctx->bindPip(find_downhill_pip(sb_sml_y1_int, in_mux), lower_out, STRENGTH_LOCKED); // inverting
ctx->bindPip(find_downhill_pip(in_mux, cpe_in5), lower_out, STRENGTH_LOCKED); // inverting
ctx->bindPip(find_downhill_pip(cpe_in5, cpe_in5_int), lower_out, STRENGTH_LOCKED);
}
{
log_info(" routing net '%s' -> IN1\n", upper_out->name.c_str(ctx));
auto sb_sml_d0 = ctx->getWireByName(IdStringList::concat(x1y1, ctx->idf("SB_SML.P01.D0")));
auto sb_sml_y1_int = ctx->getWireByName(IdStringList::concat(x1y1, ctx->idf("SB_SML.P01.Y1_int")));
auto in_mux = ctx->getWireByName(IdStringList::concat(x2y1, ctx->idf("IM.P01.D0")));
auto cpe_in1 = ctx->getWireByName(IdStringList::concat(x2y1, ctx->idf("CPE.IN1")));
auto cpe_in1_int = ctx->getWireByName(IdStringList::concat(x2y1, ctx->idf("CPE.IN1_int")));
ctx->bindPip(find_downhill_pip(cpe_out2_int, sb_sml_d0), upper_out, STRENGTH_LOCKED);
ctx->bindPip(find_downhill_pip(sb_sml_d0, sb_sml_y1_int), upper_out, STRENGTH_LOCKED);
ctx->bindPip(find_downhill_pip(sb_sml_y1_int, in_mux), upper_out, STRENGTH_LOCKED); // inverting
ctx->bindPip(find_downhill_pip(in_mux, cpe_in1), upper_out, STRENGTH_LOCKED); // inverting
ctx->bindPip(find_downhill_pip(cpe_in1, cpe_in1_int), upper_out, STRENGTH_LOCKED);
}
if (needs_in8_route) {
log_info(" routing net '%s' -> IN8\n", upper_out->name.c_str(ctx));
auto out_mux_d0 = ctx->getWireByName(IdStringList::concat(x2y2, ctx->idf("OM.P12.D0")));
auto out_mux_y = ctx->getWireByName(IdStringList::concat(x2y2, ctx->idf("OM.P12.Y")));
auto sb_big = ctx->getWireByName(IdStringList::concat(x2y2, ctx->idf("SB_BIG.P12.Y1"))); // aka x4y2/SB_SML.P12.D2_1
auto sb_sml_y1_int = ctx->getWireByName(IdStringList::concat(x4y2, ctx->idf("SB_SML.P12.Y1_int")));
auto sb_sml_ydiag_int = ctx->getWireByName(IdStringList::concat(x4y2, ctx->idf("SB_SML.P12.YDIAG_int")));
auto sb_sml_y3_int = ctx->getWireByName(IdStringList::concat(x4y2, ctx->idf("SB_SML.P12.Y3_int")));
auto in_mux_p12 = ctx->getWireByName(IdStringList::concat(x2y2, ctx->idf("IM.P12.D2")));
auto in_mux_p04 = ctx->getWireByName(IdStringList::concat(x2y2, ctx->idf("IM.P04.D7"))); // aka IM.P12.Y
auto in_mux_p08 = ctx->getWireByName(IdStringList::concat(x2y2, ctx->idf("IM.P08.D6"))); // aka IM.P04.Y
auto in_mux_p08_y = ctx->getWireByName(IdStringList::concat(x2y2, ctx->idf("IM.P08.Y")));
auto cpe_in8_int = ctx->getWireByName(IdStringList::concat(x2y2, ctx->idf("CPE.IN8_int")));
ctx->bindPip(find_downhill_pip(out_mux_d0, out_mux_y), upper_out, STRENGTH_LOCKED); // inverting
ctx->bindPip(find_downhill_pip(out_mux_y, sb_big), upper_out, STRENGTH_LOCKED); // inverting
ctx->bindPip(find_downhill_pip(sb_big, sb_sml_y1_int), upper_out, STRENGTH_LOCKED);
ctx->bindPip(find_downhill_pip(sb_sml_y1_int, sb_sml_ydiag_int), upper_out, STRENGTH_LOCKED);
ctx->bindPip(find_downhill_pip(sb_sml_ydiag_int, sb_sml_y3_int), upper_out, STRENGTH_LOCKED);
ctx->bindPip(find_downhill_pip(sb_sml_y3_int, in_mux_p12), upper_out, STRENGTH_LOCKED); // inverting
ctx->bindPip(find_downhill_pip(in_mux_p12, in_mux_p04), upper_out, STRENGTH_LOCKED); // inverting
ctx->bindPip(find_downhill_pip(in_mux_p04, in_mux_p08), upper_out, STRENGTH_LOCKED); // inverting
ctx->bindPip(find_downhill_pip(in_mux_p08, in_mux_p08_y), upper_out, STRENGTH_LOCKED); // inverting
ctx->bindPip(find_downhill_pip(in_mux_p08_y, cpe_in8_int), upper_out, STRENGTH_LOCKED);
}
} else {
log_info(" don't know how to route net '%s' (it's four-group B, (%d, %d))\n", lower_out->name.c_str(ctx), x_within_fourgroup, y_within_fourgroup);
log_info(" don't know how to route net '%s' (it's four-group B, (%d, %d))\n", upper_out->name.c_str(ctx), x_within_fourgroup, y_within_fourgroup);
}
log_info(" don't know how to route net '%s' (it's four-group B, (%d, %d))\n", lower_out->name.c_str(ctx), x_within_fourgroup, y_within_fourgroup);
log_info(" don't know how to route net '%s' (it's four-group B, (%d, %d))\n", upper_out->name.c_str(ctx), x_within_fourgroup, y_within_fourgroup);
}
}
}