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author | David Shah <davey1576@gmail.com> | 2018-08-03 10:31:03 +0200 |
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committer | David Shah <davey1576@gmail.com> | 2018-08-03 13:18:48 +0200 |
commit | 26c68c4bcc388d49142e2c59d252abdd5daf4ec5 (patch) | |
tree | 808f53cbaa603fbed0532668723922df363de0f6 /ice40/chains.h | |
parent | 80e6b17ec9da25ff089a626b2fb5043876814307 (diff) | |
download | nextpnr-26c68c4bcc388d49142e2c59d252abdd5daf4ec5.tar.gz nextpnr-26c68c4bcc388d49142e2c59d252abdd5daf4ec5.tar.bz2 nextpnr-26c68c4bcc388d49142e2c59d252abdd5daf4ec5.zip |
Remove old place legaliser, set placement constraints instead (currently ignored by placer)
Signed-off-by: David Shah <davey1576@gmail.com>
Diffstat (limited to 'ice40/chains.h')
-rw-r--r-- | ice40/chains.h | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/ice40/chains.h b/ice40/chains.h new file mode 100644 index 00000000..b466cb49 --- /dev/null +++ b/ice40/chains.h @@ -0,0 +1,27 @@ +/* + * nextpnr -- Next Generation Place and Route + * + * Copyright (C) 2018 David Shah <clifford@symbioticeda.com> + * + * 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. + * + */ + +#include "nextpnr.h" + +NEXTPNR_NAMESPACE_BEGIN + +// This finds chains, inserts LCs to legalise them as needed, and sets relative constraints as appropriate +void constrain_chains(Context *ctx); + +NEXTPNR_NAMESPACE_END |