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678 Commits

Author SHA1 Message Date
Matt Guthaus 9ffba4b052 Add +x permissions on precharge and pbitcell tests 2018-08-13 09:57:10 -07:00
Matt Guthaus 34736b7b3f Remove carriage returns form python files 2018-08-07 09:44:01 -07:00
Matt Guthaus abacf6a2d0 Add carriage return check for python files 2018-08-07 09:40:45 -07:00
Michael Timothy Grimes c2a9e91dba Merge branch 'dev' of https://github.com/VLSIDA/PrivateRAM into multiport 2018-08-05 19:53:28 -07:00
Michael Timothy Grimes 5666ee6635 altered precharge module to accomodate bitlines from pbitcell, and altered unit test to test both bitcell and pbitcell configurations 2018-08-05 19:46:05 -07:00
Michael Timothy Grimes ecd4612167 altered bitcell, pbitcell, and bitcell array modules to accomodate additional bitline reference functions 2018-08-05 19:43:59 -07:00
Matt Guthaus c0d5f781cf Not sure how VCG channel constraint got removed. Fixed this bug before... 2018-07-27 15:15:40 -07:00
Matt Guthaus a7a3099702 Fix comments in stimulus file to show list and not zip type 2018-07-27 15:00:00 -07:00
Matt Guthaus d739c17b8d Fix delay numbers in hspice delay unit test. 2018-07-27 14:43:52 -07:00
Matt Guthaus d75d17bc8a Update golden results for FreePDK45 tests. 2018-07-27 14:25:52 -07:00
Matt Guthaus 642a5cfe73 Line-wrap pinv debug formatting 2018-07-27 14:07:55 -07:00
Matt Guthaus 71606e1097 Add read cycle to clear DOUT bus before each read measure. 2018-07-27 14:06:59 -07:00
Matt Guthaus 8f72621f4a Converted delay measurement to use add_read/add_write functions. 
Rewrote the logic to add one cycle at a time for easier
manipulation. This can be extended more easily into the
functional simulations.
 2018-07-27 11:36:17 -07:00
Matt Guthaus 5b2cb6a95e Update remaining SCMOS golden lib files. 2018-07-27 09:44:12 -07:00
Matt Guthaus 6b967c08dd Updated output messages in timing test comparisons. 
Added output to show which lines differ and what their line numbers are..
Added output to show relative difference of approximate compares.
Added output to include file names that mismatch.
 2018-07-27 09:34:44 -07:00
Matt Guthaus 01cbc71a2a Limit sizes for dff_buf too. Add comments about restriction. 2018-07-27 08:17:50 -07:00
Matt Guthaus b541efe959 Fix wide gnd rail spacing to inverter NMOS by adding size limit to pinv. 2018-07-27 07:23:18 -07:00
Matt Guthaus 0e0516c4a6 Fix delay test unit test results. 2018-07-26 16:45:09 -07:00
Matt Guthaus 85595b0f6f Update format of delay test output during an error to directly 
copy into unit test. Factor function into testutils.py for comparison.
 2018-07-26 16:05:24 -07:00
Matt Guthaus 5088487cf7 Update delay tests to output useful information for debug. 2018-07-26 15:45:17 -07:00
Matt Guthaus a00e160274 Convert bitline index to integer in trim_spice 2018-07-26 14:29:44 -07:00
Matt Guthaus f098b995f0 Fix pinvbuf test to use new interface with only driver size. 2018-07-26 14:20:00 -07:00
Matt Guthaus c8808c268a Close output log in test 30 to avoid warning 2018-07-26 14:01:40 -07:00
Matt Guthaus bc67ad5ead Fixed timing to be measured from positive clock edge since 
reading a 1 will be the precharge time.
Started modifying the lib file for DIN and DOUT ports, but did not
check the syntax yet.
 2018-07-26 13:58:50 -07:00
Matt Guthaus e827c1b8c7 Make pinvbuf have unique names for GDS compliance. 
Add back gating of w_en since write should happen in second half
or else we will have write and precharge simultaneously active.
 2018-07-26 11:40:40 -07:00
Matt Guthaus 00a87d57ab Modified pinvbuf to have a stage effort of 4 for driving the 
clock bar to wordline enable.
Fixed comments in stimulus file to have right cycle numbers.
Removed clock gating on we signal since clock gating is already
done on the WL signals. It is redundant.
 2018-07-26 11:28:48 -07:00
Michael Timothy Grimes fb0de710ec Merge branch 'dev' of https://github.com/VLSIDA/PrivateRAM into multiport 2018-07-26 09:04:59 -07:00
Michael Timothy Grimes 27ab411146 fixed error I missed in pbitcell_array test 2018-07-26 09:02:52 -07:00
Matt Guthaus dd7069dd98 Remove print statement 2018-07-25 15:51:48 -07:00
Matt Guthaus b7525a14c2 Change DIN to DOUT in characterizer. Spacing dff flops down by m2 not m1 pitch. 2018-07-25 15:50:49 -07:00
Matt Guthaus d6df215718 Always use m2_pitch as default for channel for via spacing rules 2018-07-25 15:47:11 -07:00
Matt Guthaus 6d71c3f790 Fix bug to remove pin from conflicts in addition to graph keys 2018-07-25 15:36:16 -07:00
Matt Guthaus a4bfbe3545 Move dff_array pins to center of rail 2018-07-25 15:08:04 -07:00
Matt Guthaus 44f0e4a1de Fix new offset coordinate syntax error 2018-07-25 13:47:36 -07:00
Matt Guthaus 64b3cfee26 Only print LVS/DRC stats when it is enabled 2018-07-25 13:44:34 -07:00
Matt Guthaus 7c254d540d Change channel route api to use pin maps instead of an insteads for cases where there are multiple instances that have the pins (e.g. decoders) 2018-07-25 11:37:06 -07:00
Matt Guthaus f7a2766c29 First draft of naive channel route in hierarchy_layout. It doesn't implement horizontal conflicts or try to minimize the number of channels. 2018-07-25 11:13:30 -07:00
Matt Guthaus 48d3b25b74 Rotate the output pins of the control logic. Need to fix this permanently. 2018-07-24 14:26:01 -07:00
Matt Guthaus 16a084fde1 Add vdd/gnd at right end of rails. Rename some signals for clarity. 2018-07-24 14:15:11 -07:00
Matt Guthaus aa2ea26db3 Convert control module to use hierarchy bus API 2018-07-24 10:35:07 -07:00
Matt Guthaus b50f57ea3a Remove control logic supply rails and replace with M3 supply pins 2018-07-24 10:12:54 -07:00
Matt Guthaus 45a53ed089 Rotate via in center for freepdk 2018-07-19 14:01:48 -07:00
Matt Guthaus 4c3bd0e42b Move WL gnd contacts outside the cell for simplicity 2018-07-19 13:38:45 -07:00
Matt Guthaus beee8229d1 Revert change. Add gnd pin to right on bitline load. 2018-07-19 13:26:12 -07:00
Matt Guthaus ea53066966 Align RBL inverter with first load inverter in delay chain to aid supply connections 2018-07-19 11:02:13 -07:00
Matt Guthaus 311ab97bfc Fix s_en stages to be even per Kevin's bug report. Assert minimum fanout to ensure vdd/gnd connections. 2018-07-19 10:51:20 -07:00
Matt Guthaus 128dfd5830 Add internal vdd/gnd connections for delay chain 2018-07-19 10:37:47 -07:00
Matt Guthaus 51958814a0 Fixing power via problems in freepdk45 2018-07-19 10:23:08 -07:00
Matt Guthaus 9983408fa3 Add verilog_write to sram wrapper for verilog unit test 2018-07-19 10:05:30 -07:00
Matt Guthaus 3f57853969 Use lower case names except for leaf cells and top level 2018-07-18 15:10:57 -07:00
Matt Guthaus 4a139b682d Add temporary options to LVS to allow name merging 2018-07-18 15:10:29 -07:00
Matt Guthaus a9c0ec5549 Add LVS correspondence points to each bank type 2018-07-18 14:29:04 -07:00
Matt Guthaus a878ce5500 Standardize DRC and LVS message levels 2018-07-18 14:28:43 -07:00
Matt Guthaus 58896a6f8e Fix control signal names on control_logic input 2018-07-18 13:41:44 -07:00
Matt Guthaus b88947ef5c Pass the sram design to lib instead of the sram wrapper 2018-07-18 11:51:42 -07:00
Matt Guthaus f43d4cc98f Fix routing clk connections of dff arrays 2018-07-18 11:38:58 -07:00
Matt Guthaus 0701fceb0b Use sram rather than new meta-sram class in the characterizer for delay 2018-07-18 10:39:29 -07:00
Matt Guthaus 1130062343 Fix syntax error in delay test to use new sram wrapper module 2018-07-18 10:33:18 -07:00
Matt Guthaus b8a3bc9b1a Space hier decoder input connections along rails to avoid conflicts 2018-07-18 10:21:58 -07:00
Matt Guthaus b8e3629923 Fix syntax error in unit test 2018-07-17 15:14:22 -07:00
Matt Guthaus 01655b1d54 Clean up tests. Enable 8-way tests. Some tests still have channel route conflicts. 2018-07-17 15:13:00 -07:00
Matt Guthaus ef60b02a81 Add vdd/gnd pins to dff_array 2018-07-17 15:01:31 -07:00
Matt Guthaus 6133d54684 Fix spacing between adjacent decoders 2018-07-17 15:01:16 -07:00
Matt Guthaus ffc866ef78 Single bank working except for channel routing error in 4-way case. 2018-07-17 14:40:04 -07:00
Matt Guthaus 7a69fc1bca Add col addr routing and data routing 2018-07-17 14:24:44 -07:00
Matt Guthaus 0665d51249 Must connect clock at top level for now 2018-07-17 14:24:07 -07:00
Matt Guthaus e82f97cce1 Add create_bus and connect_bus api 2018-07-17 14:23:29 -07:00
Matt Guthaus 0175c88a16 Convert predecodes to use create_bus api 2018-07-17 14:23:06 -07:00
Matt Guthaus ac22b1145f Convert bank to use create_bus routines. 
Modify control logic to have correct offset in SRAM.
 2018-07-16 14:13:41 -07:00
Matt Guthaus 77e786ae5e Fix bug in recomputing boundary with a new offset 2018-07-16 13:46:12 -07:00
Matt Guthaus afcc3563ae Add new supplies to RBL and control logic 2018-07-16 12:58:15 -07:00
Matt Guthaus 93e830e800 Add new supplies to replica bitline 2018-07-16 10:49:43 -07:00
Matt Guthaus 3bbb604504 Add new power supplies to delay chain 2018-07-16 10:19:52 -07:00
Matt Guthaus f3ae29fe0b Getting single bank to work reliably. Removed tri_gate from bank 
for now. Will add it in multibank arrays only. Not needed for
separate DIN and DOUT ports.
 2018-07-13 14:45:46 -07:00
Matt Guthaus 834fbac8de Remove extra print statements. 
Add wrappers for file generation in sram wrapper class.
 2018-07-13 09:38:43 -07:00
Matt Guthaus 0c23efe49b Reference local sram instance in sram.py. 2018-07-13 09:30:14 -07:00
Michael Timothy Grimes 2388ddbfb0 deleting code added in error to pbitcell_array_test during previous commit 2018-07-12 23:55:54 -07:00
Michael Timothy Grimes ba43b986ae merging changes with pbitcell_array test 2018-07-12 23:51:44 -07:00
Michael Timothy Grimes a64ca423c6 changing pbitcell_array test to include an important permutation of the design 2018-07-12 23:45:47 -07:00
Michael Timothy Grimes 7b315a3b69 updating inverter to write transistor spacings 2018-07-12 20:52:05 -07:00
Matt Guthaus a4c29ea527 Improve openram output. Fix save output function name. 2018-07-12 10:35:38 -07:00
Matt Guthaus e6b1fcb44c Refactor banks to use inheritance with a top-level SRAM wrapper class. 2018-07-12 10:30:45 -07:00
Matt Guthaus c71ea51e2e Merge branch 'multiport_cleanup' of github.com:VLSIDA/PrivateRAM into multiport_cleanup 2018-07-11 14:27:41 -07:00
Matt Guthaus 22d40364ec Merge branch 'multiport_cleanup' of https://github.com/VLSIDA/PrivateRAM into multiport_cleanup 2018-07-11 14:27:06 -07:00
Matt Guthaus a2d8d16c7a Split DATA into DIN and DOUT in characterizer 2018-07-11 14:19:09 -07:00
Matt Guthaus 33bb98894f Disable LEF test until supplies fixed. 2018-07-11 14:18:53 -07:00
Matt Guthaus 8be88d14a7 Disable banner output during gitlab runner 2018-07-11 14:18:36 -07:00
Matt Guthaus 7d8352a04d Fix order of checkpointing so that it is done after characterizer and verify have found their executables. 2018-07-11 12:12:03 -07:00
Matt Guthaus 8a530da2cc Remove extra conversion to list 2018-07-11 12:07:37 -07:00
Matt Guthaus 265b5d977a Fix option reload problems and checkpointing so that it works properly. 2018-07-11 12:00:15 -07:00
Matt Guthaus 58646ab8e6 Add DRC/LVS/PEX statistics in verbose=1 mode 2018-07-11 11:59:24 -07:00
Matt Guthaus f894ef47af Fix missing list conversion to run drc library tests. 2018-07-11 11:58:22 -07:00
Matt Guthaus b3732f4fcf Output debug warnings and errors to stderr. Clean up regress script a bit. 2018-07-11 09:51:28 -07:00
Matt Guthaus f82591dd6f Remove outdated README 2018-07-11 09:12:20 -07:00
Matt Guthaus c6503dd771 Modify unit tests to reset options during init_openram so 
that they don't use old parameters after a failure.
 2018-07-10 16:39:32 -07:00
Matt Guthaus d95a1925d4 Refactor banked SRAM into multiple files and dynamically load in SRAM 2018-07-10 14:17:09 -07:00
Matt Guthaus 19c53cd50c Do not fail assertion in exception code. 2018-07-10 14:16:18 -07:00
Matt Guthaus 707f303eb7 Fix syntax error in sram.py 2018-07-10 10:34:54 -07:00
Matt Guthaus f5855ee68a Fix analytical power of contact with new hierarchy_design level introduced. 2018-07-10 10:17:23 -07:00
Matt Guthaus 25cf57ede5 Push create bus functions down into layout class. 2018-07-10 10:06:59 -07:00