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generic: Implement getRouteBoundingBox

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Signed-off-by: David Shah <dave@ds0.me>
This commit is contained in:
David Shah 2020-02-03 13:48:51 +00:00
parent 2248e07b66
commit a1c902dadc
2 changed files with 26 additions and 0 deletions
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24
generic/arch.cc
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@ -515,6 +515,30 @@ delay_t Arch::predictDelay(const NetInfo *net_info, const PortRef &sink) const
bool Arch::getBudgetOverride(const NetInfo *net_info, const PortRef &sink, delay_t &budget) const { return false; } bool Arch::getBudgetOverride(const NetInfo *net_info, const PortRef &sink, delay_t &budget) const { return false; }
ArcBounds Arch::getRouteBoundingBox(WireId src, WireId dst) const
{
ArcBounds bb;
int src_x = wires.at(src).x;
int src_y = wires.at(src).y;
int dst_x = wires.at(dst).x;
int dst_y = wires.at(dst).y;
bb.x0 = src_x;
bb.y0 = src_y;
bb.x1 = src_x;
bb.y1 = src_y;
auto extend = [&](int x, int y) {
bb.x0 = std::min(bb.x0, x);
bb.x1 = std::max(bb.x1, x);
bb.y0 = std::min(bb.y0, y);
bb.y1 = std::max(bb.y1, y);
};
extend(dst_x, dst_y);
return bb;
}
// --------------------------------------------------------------- // ---------------------------------------------------------------
bool Arch::place() bool Arch::place()

2
generic/arch.h
View File

@ -267,6 +267,8 @@ struct Arch : BaseCtx
uint32_t getDelayChecksum(delay_t v) const { return 0; } uint32_t getDelayChecksum(delay_t v) const { return 0; }
bool getBudgetOverride(const NetInfo *net_info, const PortRef &sink, delay_t &budget) const; bool getBudgetOverride(const NetInfo *net_info, const PortRef &sink, delay_t &budget) const;
ArcBounds getRouteBoundingBox(WireId src, WireId dst) const;
bool pack(); bool pack();
bool place(); bool place();
bool route(); bool route();