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author | David Shah <davey1576@gmail.com> | 2018-06-12 13:40:22 +0200 |
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committer | David Shah <davey1576@gmail.com> | 2018-06-12 13:40:22 +0200 |
commit | 031d8e811f9ce00f0c72e697789f991834d1f8f2 (patch) | |
tree | e6a3f541ea8550d4f6649492eb0b7913fa3e19af /ice40/arch_place.h | |
parent | 67a5cedbe30f681fd3c5c52ed8552abcc7583a45 (diff) | |
download | nextpnr-031d8e811f9ce00f0c72e697789f991834d1f8f2.tar.gz nextpnr-031d8e811f9ce00f0c72e697789f991834d1f8f2.tar.bz2 nextpnr-031d8e811f9ce00f0c72e697789f991834d1f8f2.zip |
ice40: Adding a placement validity checker
Signed-off-by: David Shah <davey1576@gmail.com>
Diffstat (limited to 'ice40/arch_place.h')
-rw-r--r-- | ice40/arch_place.h | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/ice40/arch_place.h b/ice40/arch_place.h new file mode 100644 index 00000000..19b0635f --- /dev/null +++ b/ice40/arch_place.h @@ -0,0 +1,31 @@ +/* + * nextpnr -- Next Generation Place and Route + * + * Copyright (C) 2018 Clifford Wolf <clifford@clifford.at> + * + * Permission to use, copy, modify, and/or distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES + * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR + * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN + * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF + * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + * + */ + +#ifndef ICE40_ARCH_PLACE_H +#define ICE40_ARCH_PLACE_H + +#include "nextpnr.h" +// Architecure-specific placement functions + +// Whether or not a given cell can be placed at a given Bel +// This is not intended for Bel type checks, but finer-grained constraints +// such as conflicting set/reset signals, etc +bool isValidBelForCell(Chip *chip, CellInfo *cell, BelId bel); + +#endif |