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Signed-off-by: gatecat <gatecat@ds0.me>
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This won't affect Python-built arches significantly; but will be useful
for the future 'viaduct' functionality where generic routing graphs can
be built on the C++ side; too.
Signed-off-by: gatecat <gatecat@ds0.me>
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Signed-off-by: gatecat <gatecat@ds0.me>
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Signed-off-by: gatecat <gatecat@ds0.me>
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Signed-off-by: gatecat <gatecat@ds0.me>
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"nextpnr.h" is no longer the god header. Important improvements:
- Functions in log.h can be used without including
BaseCtx/Arch/Context. This means that log_X functions can be called
without included "nextpnr.h"
- NPNR_ASSERT can be used without including "nextpnr.h" by including
"nextpnr_assertions.h". This allows NPNR_ASSERT to be used safely in
any header file.
- Types defined in "archdefs.h" are now available without including
BaseCtx/Arch/Context. This means that utility classes that will be
used inside of BaseCtx/Arch/Context can be defined safely in a
self-contained header.
Signed-off-by: Keith Rothman <537074+litghost@users.noreply.github.com>
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This replaces the arch-specific DelayInfo structure with new DelayPair
(min/max only) and DelayQuad (min/max for both rise and fall) structures
that form part of common code.
This further reduces the amount of arch-specific code; and also provides
useful data structures for timing analysis which will need to delay
with pairs/quads of delays as it is improved.
While there may be a small performance cost to arches that didn't
separate the rise/fall cases (arches that aren't currently separating
the min/max cases just need to be fixed...) in DelayInfo, my expectation
is that inlining will mean this doesn't make much difference.
Signed-off-by: gatecat <gatecat@ds0.me>
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Signed-off-by: gatecat <gatecat@ds0.me>
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Signed-off-by: D. Shah <dave@ds0.me>
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Signed-off-by: Keith Rothman <537074+litghost@users.noreply.github.com>
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Signed-off-by: Keith Rothman <537074+litghost@users.noreply.github.com>
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Signed-off-by: David Shah <dave@ds0.me>
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Signed-off-by: Clifford Wolf <clifford@clifford.at>
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Signed-off-by: Clifford Wolf <clifford@clifford.at>
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Signed-off-by: David Shah <davey1576@gmail.com>
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Signed-off-by: Clifford Wolf <clifford@clifford.at>
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Signed-off-by: Clifford Wolf <clifford@clifford.at>
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Signed-off-by: Clifford Wolf <clifford@clifford.at>
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Signed-off-by: Clifford Wolf <clifford@clifford.at>
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