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| author | David Shah <davey1576@gmail.com> | 2018-06-20 12:21:56 +0200 |
|---|---|---|
| committer | David Shah <davey1576@gmail.com> | 2018-06-20 12:21:56 +0200 |
| commit | 5ca4663294aff1f4af45e9abfffa20c1e44ea017 (patch) | |
| tree | 256ca52df0b1a05f5afcde3954076da64b71237c /ice40 | |
| parent | 2a41211ce1955a44ca363ba6000c38feb3883e32 (diff) | |
| download | nextpnr-5ca4663294aff1f4af45e9abfffa20c1e44ea017.tar.gz nextpnr-5ca4663294aff1f4af45e9abfffa20c1e44ea017.tar.bz2 nextpnr-5ca4663294aff1f4af45e9abfffa20c1e44ea017.zip | |
Working on the timing budget annnotator
Signed-off-by: David Shah <davey1576@gmail.com>
Diffstat (limited to 'ice40')
| -rw-r--r-- | ice40/arch.cc | 6 | ||||
| -rw-r--r-- | ice40/arch.h | 7 |
2 files changed, 7 insertions, 6 deletions
diff --git a/ice40/arch.cc b/ice40/arch.cc index 380f3386..7baaef8d 100644 --- a/ice40/arch.cc +++ b/ice40/arch.cc @@ -418,11 +418,11 @@ std::vector<GraphicElement> Arch::getPipGraphics(PipId pip) const // ----------------------------------------------------------------------- -delay_t Arch::getCellDelay(const CellInfo *cell, IdString fromPort, - IdString toPort) const +bool Arch::getCellDelay(const CellInfo *cell, IdString fromPort, + IdString toPort, delay_t &delay) const { // TODO - return 0; + return false; } IdString Arch::getPortClock(const CellInfo *cell, IdString port) const diff --git a/ice40/arch.h b/ice40/arch.h index 172541c0..356f88da 100644 --- a/ice40/arch.h +++ b/ice40/arch.h @@ -758,9 +758,10 @@ struct Arch : BaseCtx // ------------------------------------------------- - // Get the delay through a cell from one port to another - delay_t getCellDelay(const CellInfo *cell, IdString fromPort, - IdString toPort) const; + // Get the delay through a cell from one port to another, returning false + // if no path exists + bool getCellDelay(const CellInfo *cell, IdString fromPort, IdString toPort, + delay_t &delay) const; // Get the associated clock to a port, or empty if the port is combinational IdString getPortClock(const CellInfo *cell, IdString port) const; // Return true if a port is a clock |