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OpenRAM
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404 Commits

Author SHA1 Message Date
jcirimel 40c01dab85 fix bl in stim file 2020-01-21 01:44:15 -08:00
jcirimel 73691f6054 fix bug in top level bitline label placement 2020-01-21 00:20:52 -08:00
jcirimel 364842569a fix s_en in stim 2020-01-16 12:16:49 -08:00
jcirimel 075bf0d841 label bitcell in stim, add s_en top level to stim 2020-01-16 03:51:29 -08:00
jcirimel f0958b0b11 squashed update of pex progress due to timezone error 2019-12-18 03:03:13 -08:00
Matt Guthaus 46c2cbd2d9 Check nominal_corner_only in new corner creation routine 2019-11-29 14:47:02 -08:00
Matt Guthaus bedae87315 Only use max/min and typical corner 2019-11-29 13:31:44 -08:00
Matt Guthaus 240c416100 Remove extra print 2019-11-17 10:40:01 -08:00
Matt Guthaus 764d4da1bd Clean up config file organization. Improve gdsMill debug output. 2019-10-23 10:48:18 -07:00
Matt Guthaus 289d3b3988 Feedthru port edits. 
Comment about write driver size for write through to work, but
disable write through in functional simulation.
Provide warning in Verilog about write throughs.
 2019-09-27 14:18:49 -07:00
Matt Guthaus 9ec663e0b1 Write all write ports first cycle. Don't check feedthru. 2019-09-07 20:20:44 -07:00
Matt Guthaus 35a8dd2eec Factor out masking function 2019-09-07 20:05:05 -07:00
Matt Guthaus e5db02f7d8 Fix wrong function. Except unknown ports. 2019-09-06 14:59:23 -07:00
Matt Guthaus 93c89895c9 Remove unused test structures 2019-09-06 14:58:47 -07:00
Matt Guthaus b5b0e35c8a Fix syntax error. 2019-09-06 12:29:28 -07:00
Matt Guthaus 86c22c8904 Clean and simplify simulation code. Feedthru check added. 2019-09-06 12:09:12 -07:00
Matt Guthaus 969cca28e4 Enable sensing during writes. Need to add dedicated test. 2019-09-06 07:16:50 -07:00
Matt Guthaus 678b2cc3fa Fix functional test clk name 2019-09-04 18:59:08 -07:00
Matt Guthaus 4c3b171b72 Share nominal temperature and voltage. Nominal instead of typical. 2019-09-04 16:53:58 -07:00
Matt Guthaus 585ce63dff Removing unused tech parms. Simplifying redundant parms. 2019-09-04 16:08:18 -07:00
jsowash 496a9919b8 Added wmask as a type group to .lib. 2019-09-04 09:45:11 -07:00
jsowash 452cc5e443 Added wmask to lib.py. 2019-09-04 09:29:45 -07:00
jsowash b5ca417b26 Added fix for column mux lib generation.: 2019-09-03 11:50:39 -07:00
Matt Guthaus ee2456f433 Merge branch 'add_wmask' into dev 2019-08-22 15:01:41 -07:00
Matt Guthaus 9f54afbf2c Fix capitalization in verilog golden files 2019-08-21 14:29:57 -07:00
Matt Guthaus d0f04405a6 Convert capital names to lower case for consistency 2019-08-21 13:45:34 -07:00
jsowash 2573b5f48b Fixed merge conflict. 2019-08-11 14:39:36 -07:00
Matt Guthaus c09005dab9 Redo logic for detecting bad bitlines 2019-08-10 17:32:36 -07:00
Hunter Nichols 1d22d39667 Uncommented tests that use model delays. Fixed issue in sense amp cin. 2019-08-08 18:26:12 -07:00
Hunter Nichols 3c44ce2df6 Replaced analytical characterization with graph implementation. Removed most analytical delay functions used by old chacterizer. 2019-08-08 02:33:51 -07:00
Hunter Nichols fc1cba099c Made all cin function relate to farads and all input_load relate to relative units. 2019-08-08 01:57:04 -07:00
jsowash 9409f60237 Merge branch 'dev' into add_wmask 2019-08-07 09:42:55 -07:00
jsowash a6bb410560 Begin implementing a write mask layout as the port data level. 2019-08-07 09:12:21 -07:00
Hunter Nichols 6860d3258e Added graph functions to compute analytical delay based on graph path. 2019-08-07 01:50:48 -07:00
Matt Guthaus aae8566ff2 Update golden delays. Fix uninitialized boolean. 2019-08-05 15:45:59 -07:00
Matt Guthaus 4d11de64ac Additional debug. Smaller psram func tests. 2019-08-05 13:53:14 -07:00
Matt Guthaus a8d09acd40 Use ordered dict instead of sorting keys 2019-08-01 12:21:30 -07:00
Matt Guthaus d403362183 Sort keys for random read address choice. 2019-08-01 11:32:49 -07:00
Hunter Nichols b4ef0ec36d Removed unused characterization module. 2019-07-30 20:33:17 -07:00
Hunter Nichols 24b1fa38a0 Added graph fixes to handmade multiport cells. 2019-07-30 20:31:32 -07:00
Hunter Nichols c12dd987dc Fixed pbitcell graph edge formation. 2019-07-30 00:49:43 -07:00
Matt Guthaus 468a759d1e Fixed control problems (probably) 
Extended functional tests for 15 cycles (slow, but more checking)
Fixed s_en to be gated AFTER the RBL.
 2019-07-27 11:09:08 -07:00
Matt Guthaus 0c5cd2ced9 Merge branch 'dev' into rbl_revamp 2019-07-26 18:01:43 -07:00
Matt Guthaus 3327fa58c0 Add some signal names to functional test comments 2019-07-26 14:49:53 -07:00
Matt Guthaus 8ebc568e8b Minor cleanup. Skip more tests until analytical fixed. 2019-07-26 08:33:06 -07:00
jsowash de485182bc Cleaned up comments about wmask. 2019-07-25 13:21:17 -07:00
jsowash 61ba23706c Removed comments for rw pen() and added a wmask func test. 2019-07-25 12:24:27 -07:00
Matt Guthaus 54b312eaf9 Add return type 2019-07-24 17:00:38 -07:00
Matt Guthaus 2f03c594c5 Remove success initialization 2019-07-24 16:59:19 -07:00
Matt Guthaus fb60b51c72 Add check bits. Clean up logic. Move read/write bit check to next cycle. 2019-07-24 16:57:04 -07:00
jsowash 3bcb79d9d5 Removed code for RW ports to not precharge on writes. Previously, the entire bitline was written where part was an old value and part was the wmask value. 2019-07-24 15:01:20 -07:00
Matt Guthaus fe0db68965 Refactor to share get_measurement_variant 2019-07-24 11:29:29 -07:00
Matt Guthaus 9cb96bda7d Mostly formatting. Added write measurements. 2019-07-24 10:57:33 -07:00
Matt Guthaus 3df8abd38c Clean up. Split class into own file. 2019-07-24 08:15:10 -07:00
jsowash 01493aab3e Added wmask valuesto functional test through add_wmask() 2019-07-23 15:58:54 -07:00
jsowash 2b29e505e0 Reversed order of wmask bits in functional.py since python lists go left to right. Made # of en bits equal to num_masks. 2019-07-22 12:44:35 -07:00
jsowash 72e16f8fe6 Added ability to do partial writes to addresses that have already been written to. 2019-07-22 11:19:14 -07:00
jsowash 0a5461201a Change num_wmask to num_wmasks and write_size = None not word_size if wmask not used. 2019-07-19 14:58:37 -07:00
jsowash 45cb159d7f Connected wmask in the spice netlist. 2019-07-19 13:17:55 -07:00
jsowash 082decba18 Temporarily made the functional tests write/read only all 0's or 1's 2019-07-18 15:26:38 -07:00
jsowash 917a69723f Fixed typo 2019-07-17 12:26:05 -07:00
jsowash 720739a192 Skipping test 22_sram_wmask_func_test and changed a typo of write_driver to write_mask 2019-07-17 11:04:17 -07:00
Hunter Nichols 9696401f34 Added graph exclusions to replica column to reduce s_en paths. 2019-07-16 23:47:34 -07:00
jsowash 021d604832 Removed wmask from addwrite() 2019-07-15 16:48:36 -07:00
jsowash ea2f786dcf Redefined write_size inrecompute_sizes() to take the new word_size() 2019-07-15 14:41:26 -07:00
jsowash dfa2b29b8f Begin adding wmask netlist and spice tests. 2019-07-12 10:34:29 -07:00
jsowash 474ac67af5 Added optional write_size and wmask. 2019-07-03 10:14:15 -07:00
Hunter Nichols ce7e320505 Undid change to add bitcell as input to array mod. 2019-06-25 18:26:13 -07:00
Hunter Nichols 4e08e2da87 Merged and fixed conflicts with dev 2019-06-25 16:55:50 -07:00
Hunter Nichols 4f3340e973 Cleaned up graph additions to characterizer. 2019-06-25 16:37:35 -07:00
Hunter Nichols 33c17ac41c Moved manual delay chain declarations from tech files to options. 2019-06-25 15:45:02 -07:00
Matt d22d7de195 Reapply jsowash update without spice model file 2019-06-24 08:59:58 -07:00
Matt Guthaus a234b0af88 Fix space before comment 2019-06-14 08:43:41 -07:00
Hunter Nichols 36214792eb Removed some debug measurements that were causing failures. 2019-05-28 17:04:27 -07:00
Hunter Nichols ad229b1504 Altered indexing of objects in SRAM factory to remove duplications of items using OPTS names. Added smarter bitline name checking. 2019-05-28 16:55:09 -07:00
Hunter Nichols e2d1f7ab0a Added smarter name checking for the characterizer. 2019-05-27 13:08:59 -07:00
Hunter Nichols 099bc4e258 Added bitcell check to storage nodes. 2019-05-20 18:35:52 -07:00
Hunter Nichols 412f9bb463 Added additional check to bitline to reduce false positives. 2019-05-17 01:56:22 -07:00
Hunter Nichols 03a762d311 Replaced constant string comparisons with enums 2019-05-16 14:18:33 -07:00
Hunter Nichols d8617acff2 Merged with dev 2019-05-15 18:48:00 -07:00
Hunter Nichols a80698918b Fixed test issues, removed all bitcells not relevant for timing graph. 2019-05-15 17:17:26 -07:00
Hunter Nichols 178d3df5f5 Added graph to characterizer to get net names and perform s_en checks. Graph not working with column mux. 2019-05-14 14:44:49 -07:00
Hunter Nichols b30c20ffb5 Added graph creation to characterizer, re-arranged pin creation. 2019-05-14 01:15:50 -07:00
Hunter Nichols b4cce65889 Added incorrect read checking in characterizer. 2019-05-13 19:38:46 -07:00
Hunter Nichols d54074d68e Made timing graph more gate-level. Changed edges to be defined by inputs/ouputs and name based. 2019-05-07 00:52:27 -07:00
Matt Guthaus 0f03553689 Update copyright to correct years. 2019-05-06 06:50:15 -07:00
Matt Guthaus 3f9a987e51 Update copyright. Add header to all OpenRAM files. 2019-04-26 12:33:53 -07:00
Hunter Nichols f35385f42a Cleaned up names, added exclusions to narrow paths for analysis. 2019-04-24 23:51:09 -07:00
Hunter Nichols e292767166 Added graph creation and functions in base class and lower level modules. 2019-04-24 14:23:22 -07:00
Hunter Nichols cc5b347f42 Added analyical model test which compares measured delay to model delay. 2019-04-03 16:26:20 -07:00
Hunter Nichols f6eefc1728 Added updated analytical characterization with combined models 2019-04-02 01:09:31 -07:00
Hunter Nichols 97777475b4 Added additions to account for custom delay chains. 2019-03-28 17:16:23 -07:00
Hunter Nichols 50d3b4cb8d Added some bitline measures to the model_checker 2019-03-19 15:03:57 -07:00
Hunter Nichols 910878ed30 Removed bitline measures until hardcoded signal names are made dynamic 2019-03-07 12:30:27 -08:00
Hunter Nichols 80a325fe32 Added corner information for analytical power estimation. 2019-03-04 19:27:53 -08:00
Hunter Nichols ddeb40c9bf Added lib test which generates multiple corner models. Only does process currently. 2019-03-04 16:27:10 -08:00
Hunter Nichols 0e96648211 Added linear corner factors in analytical delay model. 2019-03-04 00:42:18 -08:00
Hunter Nichols 816669b9ca Merge branch 'dev' into multiport_characterization 2019-02-26 22:48:39 -08:00
Hunter Nichols 42bc6efb21 Added additional graphing and data collection to script 2019-02-26 20:06:35 -08:00
Matt Guthaus 583dc4410b Revert bus bits back into pins 2019-02-22 16:22:27 -08:00