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nextpnr
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34 Commits

Author SHA1 Message Date
Marcel Jung a13729951c
fabulous: check for _mux BEL suffix in all checks in fabulous.cc (#1674) 2026-03-18 19:45:58 +01:00
Marcel Jung 54f160d855 fabulous: add support for the In/OutPass4_frame_config_mux BELs 2026-03-12 16:24:28 +00:00
Marcel Jung 002c0a1b68 fix: use the 'b prefix when writing a generic FABulous BEL to FASM, so the value is correctly interpreted in further steps 2026-03-12 14:55:04 +00:00
Leo Moser 50c2ca21a3
fabulous: improve pcf implementation, create global clock only if necessary (#1654) 
* fabulous: report port as unconstrained unless BEL attr set

Signed-off-by: Leo Moser <leomoser99@gmail.com>

* fabulous: only create global clock if needed

Signed-off-by: Leo Moser <leomoser99@gmail.com>

---------

Signed-off-by: Leo Moser <leomoser99@gmail.com>
 2026-03-02 18:26:04 +01:00
Kelvin Chung f1fc47e139
feat: basic pcf implementation (#1637) 
chore: seems like working pcf

feat: add reg support and clean up

chore: add clean up

delay io check and add cell timing min-max delay

fix rebase error

better pcf syntax

add regex support for prohibit command

fix regex and repeat create

fix cell can potentially have no bel

fix IO

chore: clean up

chore: review comment

feat: set pseudo cell loc by wire info

yosys based IO insert

finalise

final finalise
 2026-02-17 17:38:01 +01:00
myrtle c7cfb0aa4b
Remove use of boost system and filesystem (#1591) 
Signed-off-by: gatecat <gatecat@ds0.me>
 2025-10-22 15:01:21 +02:00
Lofty f238e2c4a5
okami: remove (#1549) 2025-09-02 19:42:07 +02:00
gatecat 226a2dfdb4 clangformat 
Signed-off-by: gatecat <gatecat@ds0.me>
 2025-05-20 13:19:52 +02:00
gatecat 9b51c6e337 clangformat 
Signed-off-by: gatecat <gatecat@ds0.me>
 2024-09-30 14:51:33 +02:00
gatecat a29a17f8f2 clangformat 
Signed-off-by: gatecat <gatecat@ds0.me>
 2024-06-18 13:54:12 +02:00
gatecat 3e1e783873 himbaechel: Initial timing support 
Signed-off-by: gatecat <gatecat@ds0.me>
 2023-09-08 09:55:49 +02:00
gatecat b0a78de78f fabulous: Support for configurable LUT size 
Signed-off-by: gatecat <gatecat@ds0.me>
 2023-04-13 13:29:52 +02:00
gatecat 6455b5dd26 viaduct: Add support for GUIs 
Signed-off-by: gatecat <gatecat@ds0.me>
 2023-04-11 19:11:54 +02:00
gatecat 23f2877dde fabulous: Fix bel names for pass bels in v2 format 
Signed-off-by: gatecat <gatecat@ds0.me>
 2023-04-05 15:45:18 +02:00
gatecat 2f509734df fabulous: Misc improvements 
Signed-off-by: gatecat <gatecat@ds0.me>
 2023-02-28 21:39:25 +01:00
gatecat cdd7bb676f fabulous: Support for complex flops in PnR 
Signed-off-by: gatecat <gatecat@ds0.me>
 2023-02-28 21:39:25 +01:00
gatecat 5d0aa77861 fabulous: Add timing model for carries 
Signed-off-by: gatecat <gatecat@ds0.me>
 2023-02-27 08:42:56 +01:00
gatecat 26fcf349ad fabulous: LUT permutation support 
Signed-off-by: gatecat <gatecat@ds0.me>
 2023-02-27 08:42:56 +01:00
gatecat 14050f991b fabulous: Global constant wires scheme 
Signed-off-by: gatecat <gatecat@ds0.me>
 2023-02-23 10:05:55 +01:00
gatecat 0ed964247e fabulous: Add support for packing carry chains 
Signed-off-by: gatecat <gatecat@ds0.me>
 2023-02-21 14:41:48 +01:00
gatecat 16bcc51ffb fabulous: Further tweak magic numbers 
Signed-off-by: gatecat <gatecat@ds0.me>
 2023-02-16 15:53:15 +01:00
gatecat 06b675b345 fabulous: Add fake timings 
Signed-off-by: gatecat <gatecat@ds0.me>
 2023-02-16 11:56:58 +01:00
gatecat eb70e95079 fabulous: Improve names for BRAM bels 
Signed-off-by: gatecat <gatecat@ds0.me>
 2023-02-10 13:23:31 +01:00
gatecat 603b60da8d api: add explain_invalid option to isBelLocationValid 
Signed-off-by: gatecat <gatecat@ds0.me>
 2022-12-07 10:27:58 +01:00
gatecat 6930ab3acd fabulous: Tweak delay estimate 
Signed-off-by: gatecat <gatecat@ds0.me>
 2022-11-10 10:55:37 +01:00
gatecat 3826a31ad3 fabulous: Pack, validity check and FASM support for muxes 
Signed-off-by: gatecat <gatecat@ds0.me>
 2022-09-30 13:27:51 +02:00
gatecat 124c0fc812 fabulous: Add split MUX bels 
Signed-off-by: gatecat <gatecat@ds0.me>
 2022-09-30 12:03:16 +02:00
gatecat 376cedd558 fabulous: fix, but disable, IO configuration 
Signed-off-by: gatecat <gatecat@ds0.me>
 2022-09-16 09:32:15 +02:00
gatecat f423055390 fabulous: Add a viaduct uarch 
Signed-off-by: gatecat <gatecat@ds0.me>
 2022-09-09 14:48:57 +02:00
gatecat 77c82b0fbf refactor: id(stringf(...)) to new idf(...) helper 
Signed-off-by: gatecat <gatecat@ds0.me>
 2022-08-10 10:57:46 +01:00
gatecat 86699b42f6 Switch to potentially-sparse net users array 
This uses a new data structure for net.users that allows gaps, so
removing a port from a net is no longer an O(n) operation on the number
of users the net has.

Signed-off-by: gatecat <gatecat@ds0.me>
 2022-02-27 13:47:05 +00:00
Lofty fbb02e2860 okami: new Viaduct arch 2022-02-24 20:38:56 +00:00
gatecat 6a32aca4ac refactor: New member functions to replace design_utils 
Signed-off-by: gatecat <gatecat@ds0.me>
 2022-02-18 11:13:18 +00:00
gatecat e88bd34c02 Viaduct API for a hybrid between generic and full-custom arch 
Signed-off-by: gatecat <gatecat@ds0.me>
 2022-01-04 20:19:29 +00:00