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Reset and Load restriction

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This commit is contained in:
Miodrag Milanovic 2024-09-12 08:38:53 +02:00
parent fa259de07a
commit 1723156027
1 changed files with 13 additions and 9 deletions
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22
himbaechel/uarch/ng-ultra/ng_ultra.cc
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@ -455,8 +455,11 @@ template <size_t N> bool check_assign_sig(std::array<const NetInfo*, N> &sig_set
struct SectionFEWorker
{
std::array<const NetInfo *, 2> clk{};
std::array<const NetInfo *, 4> reset_load{};
std::array<const NetInfo *, 2> clk{}; // from local system matrix
std::array<const NetInfo *, 2> reset{}; // from local system matrix
std::array<const NetInfo *, 2> load{}; // from local system matrix
std::array<const NetInfo *, 1> shared{}; // 1 from local system matrix
// Additional R and L can be used from RI network
bool run(const NgUltraImpl *impl,const Context *ctx, BelId bel, CellInfo *cell)
{
Loc loc = ctx->getBelLocation(bel);
@ -464,13 +467,14 @@ struct SectionFEWorker
const CellInfo *ff = ctx->getBoundBelCell(ctx->getBelByLocation(Loc(loc.x,loc.y,id)));
if (ff == nullptr)
continue;
// TODO: This restriction is too limited, need to revisit
/*
if (!check_assign_sig(reset_load, ff->getPort(id_R)))
return false;
if (!check_assign_sig(reset_load, ff->getPort(id_L)))
return false;
*/
if (!check_assign_sig(reset, ff->getPort(id_R))) {
if (!check_assign_sig(shared, ff->getPort(id_R)))
return false;
}
if (!check_assign_sig(load, ff->getPort(id_L))) {
if (!check_assign_sig(shared, ff->getPort(id_L)))
return false;
}
if (!check_assign_sig(clk, ff->getPort(id_CK)))
return false;
}