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gatemate: update bounding box (#1548)

This commit is contained in:
Miodrag Milanović 2025-09-02 14:04:28 +02:00 committed by GitHub
parent 0399b8865e
commit 4e4f4ab113
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2 changed files with 30 additions and 0 deletions
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27
himbaechel/uarch/gatemate/gatemate.cc
View File

@ -295,6 +295,33 @@ void GateMateImpl::postRoute()
} }
} }
BoundingBox GateMateImpl::getRouteBoundingBox(WireId src, WireId dst) const
{
int x0, y0, x1, y1;
auto expand = [&](int x, int y) {
x0 = std::min(x0, x);
x1 = std::max(x1, x);
y0 = std::min(y0, y);
y1 = std::max(y1, y);
};
tile_xy(ctx->chip_info, src.tile, x0, y0);
x1 = x0;
y1 = y0;
int dx, dy;
tile_xy(ctx->chip_info, dst.tile, dx, dy);
expand(dx, dy);
return {(x0 & 0xfffe), (y0 & 0xfffe), (x1 & 0xfffe) + 1, (y1 & 0xfffe) + 1};
}
void GateMateImpl::expandBoundingBox(BoundingBox &bb) const
{
bb.x0 = std::max((bb.x0 & 0xfffe) - 4, 0);
bb.y0 = std::max((bb.y0 & 0xfffe) - 4, 0);
bb.x1 = std::min((bb.x1 & 0xfffe) + 5, ctx->getGridDimX());
bb.y1 = std::min((bb.y1 & 0xfffe) + 5, ctx->getGridDimY());
}
void GateMateImpl::configurePlacerHeap(PlacerHeapCfg &cfg) { cfg.placeAllAtOnce = true; } void GateMateImpl::configurePlacerHeap(PlacerHeapCfg &cfg) { cfg.placeAllAtOnce = true; }
int GateMateImpl::get_dff_config(CellInfo *dff) const int GateMateImpl::get_dff_config(CellInfo *dff) const

3
himbaechel/uarch/gatemate/gatemate.h
View File

@ -44,6 +44,9 @@ struct GateMateImpl : HimbaechelAPI
void preRoute() override; void preRoute() override;
void postRoute() override; void postRoute() override;
BoundingBox getRouteBoundingBox(WireId src, WireId dst) const override;
void expandBoundingBox(BoundingBox &bb) const override;
bool isBelLocationValid(BelId bel, bool explain_invalid = false) const override; bool isBelLocationValid(BelId bel, bool explain_invalid = false) const override;
delay_t estimateDelay(WireId src, WireId dst) const override; delay_t estimateDelay(WireId src, WireId dst) const override;
bool getCellDelay(const CellInfo *cell, IdString fromPort, IdString toPort, DelayQuad &delay) const override; bool getCellDelay(const CellInfo *cell, IdString fromPort, IdString toPort, DelayQuad &delay) const override;