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prevent wrong use of pips

This commit is contained in:
Miodrag Milanovic 2025-12-10 16:35:42 +01:00
parent d4bd1c18e3
commit 581c42c9cd
1 changed files with 11 additions and 1 deletions
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12
himbaechel/uarch/gatemate/gatemate.cc
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@ -321,7 +321,17 @@ void GateMateImpl::postPlace()
}
bool GateMateImpl::checkPipAvail(PipId pip) const
{
IdStringList names = ctx->getPipName(pip);
const auto &extra_data = *pip_extra_data(pip);
if (extra_data.type == PipExtra::PIP_EXTRA_MUX
&& extra_data.value == 1
&& IdString(extra_data.name).in(ctx->id("LUT2_00"),ctx->id("LUT2_01"),ctx->id("LUT2_02"),ctx->id("LUT2_03"))) {
//printf("%s %s %s\n", names[0].c_str(ctx), names[1].c_str(ctx), names[2].c_str(ctx));
if (names[1].in(ctx->id("CPE.D0_00_int"),ctx->id("CPE.D0_01_int"),ctx->id("CPE.D0_02_int"),ctx->id("CPE.D0_03_int")))
return false;
}
if (extra_data.type != PipExtra::PIP_EXTRA_MUX || (extra_data.flags & MUX_ROUTING) == 0)
return true;
if (used_cpes[pip.tile])
@ -719,7 +729,7 @@ void GateMateImpl::postRoute()
cell.second->renamePort(id_D0_03, port_mapping[id_D0_03]);
cell.second->renamePort(id_D1_03, port_mapping[id_D1_03]);
}
if (cell.second->type.in(id_CPE_FF, id_CPE_FF_L, id_CPE_FF_U)) {
if (cell.second->type.in(id_CPE_FF, id_CPE_FF_L, id_CPE_FF_U, id_CPE_LATCH)) {
cfg.clear();
port_mapping.clear();
check_input(cell.second.get(), id_CLK, false);