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23 Commits

Author SHA1 Message Date
Eddie Hung 1d526b7f06 Call shregmap twice -- once for variable, another for fixed 2019-04-05 17:35:49 -07:00
Eddie Hung 544843da71 techmap inside map_cells stage 2019-04-05 12:55:52 -07:00
Eddie Hung 2fb02247a7 Use soft-logic, not LUT3 instantiation 2019-04-04 08:10:40 -07:00
Eddie Hung 77755b5a66 Cleanup comments 2019-04-04 07:41:40 -07:00
Eddie Hung 81c207fb9b Fine tune cells_map.v 2019-03-20 10:55:14 -07:00
Eddie Hung 505e4c2d59 Revert $__SHREG_ to orig; use $__XILINX_SHREG for variable length 2019-03-19 21:58:05 -07:00
Eddie Hung 5445cd4d00 Add support for variable length Xilinx SRL > 128 2019-03-19 17:44:33 -07:00
Eddie Hung 9156e18f92 Fix spacing 2019-03-19 16:12:32 -07:00
Eddie Hung f239cb821e Fix INIT for variable length SRs that have been bumped up one 2019-03-19 14:54:43 -07:00
Eddie Hung fadeadb8c8 Only accept <128 for variable length, only if $shiftx exclusive 2019-03-16 08:51:13 -07:00
Eddie Hung 29a8d4745e Cleanup synth_xilinx 2019-03-15 23:01:40 -07:00
Eddie Hung 06f8f2654a Working 2019-03-15 19:13:40 -07:00
Eddie Hung e7ef7fa443 Reverse bits in INIT parameter for Xilinx, since MSB is shifted first 2019-03-14 09:38:42 -07:00
Eddie Hung f1a8e8a480 Merge remote-tracking branch 'origin/master' into xc7srl 2019-03-14 08:59:19 -07:00
Eddie Hung 79b4a275ce Fix cells_map for SRL 2019-03-14 08:09:48 -07:00
Eddie Hung 24f129ddfb Refactor $__SHREG__ in cells_map.v 2019-03-13 16:17:54 -07:00
Keith Rothman 3090951d54 Changes required for VPR place and route synth_xilinx. 
Signed-off-by: Keith Rothman <537074+litghost@users.noreply.github.com>
 2019-03-01 12:02:27 -08:00
Eddie Hung 8aab7fe7e6 Fix SRL16/32 techmap off-by-one 2019-02-28 13:56:00 -08:00
Eddie Hung fe4d6898de synth_xilinx to call shregmap with enable support 2019-02-28 11:17:13 -08:00
Eddie Hung 68f38f2ee0 synth_xilinx to use shregmap with -params too 2019-02-28 10:21:05 -08:00
Eddie Hung c29f0c5048 Add techmap rule for $__SHREG_DFF_P_ to SRL16/32 2019-02-28 09:31:24 -08:00
Tim 'mithro' Ansell d6bdefd2e9 Improving vpr output support. 
* Support output BLIF for Xilinx architectures.
 * Support using .names in BLIF for Xilinx architectures.
 * Use the same `NO_LUT` define in both `synth_ice40` and
  `synth_xilinx`.
 2018-04-18 16:55:12 -07:00
Clifford Wolf d29d26f882 Various cleanups in xilinx techlib 2015-01-18 19:43:54 +01:00