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985 Commits

Author SHA1 Message Date
Matt Guthaus 1333329dd4 Merge branch 'multiport' into supply_routing 2018-10-11 10:37:10 -07:00
Matt Guthaus f7d1df6ca7 Fix trim spice with new names 2018-10-11 10:36:49 -07:00
Matt Guthaus e759c9350b Skip psram 1 bank 2018-10-11 10:17:50 -07:00
Matt Guthaus a094db9077 Merge branch 'multiport' into supply_routing 2018-10-11 09:56:38 -07:00
Matt Guthaus 823cb04b80 Fix metal4 rules in FreePDK45. Multiport still needs updating. 2018-10-11 09:56:15 -07:00
Matt Guthaus e22e658090 Converted all submodules to use _bit notation instead of [bit] 2018-10-11 09:53:08 -07:00
Matt Guthaus 3f2b7b837d Skip multibank for now too 2018-10-10 16:57:42 -07:00
Matt Guthaus 22b5010734 Skip pmulti which has LVS fail 2018-10-10 16:01:55 -07:00
Matt Guthaus 96d3cacb9c Skip func tests that are failing 2018-10-10 16:00:21 -07:00
Matt Guthaus 9bb1c2bbcf Fix Future Warning for real 2018-10-10 15:58:16 -07:00
Matt Guthaus 13e83e0f1a Separate 1bank tests 2018-10-10 15:58:00 -07:00
Matt Guthaus fa4dd8881c Fix Future warnings comparison to None 2018-10-10 15:47:14 -07:00
Matt Guthaus 6bbf66d55b Rewrote pin enclosure code to better address off grid pins. 
Include only maximal pin enclosure shapes.
Add smallest area connector for off grid pins.
Fix decoder to use add_power_pin code.
Change permissions.
 2018-10-10 15:15:58 -07:00
Hunter Nichols f30e54f33c Cleaned up indexing in variable that records cycle times. 2018-10-10 00:02:03 -07:00
Hunter Nichols 3ac2d29940 Made delay.py a child of simulation.py. Removed duplicate code in delay and changed some in simulation 2018-10-09 17:44:28 -07:00
Hunter Nichols a3bec5518c Put worst case test under the hierarchy of a delay test. Added option for pex option to worst case test. 2018-10-09 00:36:14 -07:00
Hunter Nichols fd806077d2 Added class and test for testing the delay of several bitcells. 2018-10-08 15:50:52 -07:00
Matt Guthaus a2b1d025ab Merge multiport 2018-10-08 11:45:50 -07:00
Matt Guthaus 3244e01ca1 Add copy power pin function 2018-10-08 09:56:39 -07:00
Matt Guthaus 280488b3ad Add M3 supply to pinvbuf 2018-10-08 09:24:16 -07:00
Michael Timothy Grimes 6ef1a3c755 Improvements to functional test. Now will read or write in a random sequence, using randomly generated words and addresses, and using random ports in the multiported cases. Functional test still has some bugs that are being worked out so it will sometimes fail and sometimes not fail. 2018-10-08 06:34:36 -07:00
Jesse Cirimelli-Low 49268b025f fixed /tmp/ typo 2018-10-06 21:17:26 -07:00
Jesse Cirimelli-Low fa979e2d34 initial stages of html documentation generation 2018-10-06 21:15:54 -07:00
Matt Guthaus 06dc910390 Route supply after moving origin 2018-10-06 14:03:00 -07:00
Matt Guthaus 8499983cc2 Add supply router to top-level SRAM. Change get_pins to elegantly fail. 2018-10-06 08:30:38 -07:00
Matt Guthaus 83fd2c0512 Fix openram_temp directory 2018-10-06 08:08:01 -07:00
Matt Guthaus 94ab69ea16 Supply router working, perhaps not efficiently though. 2018-10-05 15:57:34 -07:00
Matt Guthaus eb2304944b Fix .magicrc file name 2018-10-05 08:48:25 -07:00
Matt Guthaus 12cb02a09f Add partial grids as pins. Add previous paths as routing targets. 2018-10-05 08:39:28 -07:00
Matt Guthaus c0ffa9cc7b Clean up magic config file copying. Add warning for missing files. 2018-10-05 08:36:12 -07:00
Matt Guthaus b3fa6b9d52 Make setup.tcl file a technology file 2018-10-05 08:30:25 -07:00
Matt Guthaus 19114fe47f Add commented extraction when running DRC only 2018-10-05 08:18:53 -07:00
Matt Guthaus bb83e5f1be Move clk up in dff arrays for supply pin access 2018-10-05 08:18:38 -07:00
Matt Guthaus 68b30d601e Move bitcells to their own directory in preparation for custom multiport cells. 2018-10-05 08:09:09 -07:00
Hunter Nichols 7b4e001885 Altered web to only be generated for rw ports. 2018-10-04 15:08:12 -07:00
Matt Guthaus c3cd76048b Removed prints. Fixed offset for single track enclosure. 2018-10-04 14:44:25 -07:00
Hunter Nichols 371a57339f Fixed bugs to allow characterization of multiple read ports. Improved some debug messages. 2018-10-04 14:09:09 -07:00
Hunter Nichols 6e0a1b8823 Fixed bugs in power simulations. Made regex raw strings to remove warnings 2018-10-04 14:09:09 -07:00
Hunter Nichols c876bbfe73 Changed characterizer control generation to match recent changes in multiport. 2018-10-04 14:09:09 -07:00
Hunter Nichols 2e322be7f7 Added changes the control logic PWL generation to match changes made in stimuli. 2018-10-04 14:09:09 -07:00
Hunter Nichols 88f2238e03 Multiport variable bug fix and removed unused code. 2018-10-04 14:09:09 -07:00
Hunter Nichols bb79d9a62d Added regex pattern matching to trim_spice to handle multiport. 2018-10-04 14:09:09 -07:00
Hunter Nichols e7f92e67d0 Fixed issues with inst_sram that prevented functional test from running after merge. 2018-10-04 14:09:01 -07:00
Hunter Nichols 6c537c4884 Made stim node names more ngspice friendly for interactive mode. Cleaned up cycle comments. Changed ground names in stim and added related comments. 2018-10-04 14:06:43 -07:00
Hunter Nichols 65edc70cfd Made global names for pins types. Fixed bugs in tests. 2018-10-04 14:06:43 -07:00
Hunter Nichols d2120d6910 Moved pin name creation from stimuli to delay and bug fix in find_feasible_period_one_port 2018-10-04 14:06:34 -07:00
Matt Guthaus 985d04d4b5 Cleanup of router. 
Made offsets in geometry snap to grid.
Changed gds_write to use list for visited flag.
Rewrite self.gds each call in case of any changes.
 2018-10-04 14:04:29 -07:00
Hunter Nichols 4586ed343f Edited lib to support port indexing. Edited tests in reaction to name dict name changes. Cleaned up measurement value generation in delay. 2018-10-04 14:04:08 -07:00
Hunter Nichols ab7d3510b5 Cleaned up result tables to be indexed by port and measurement name. Lib has not been updated, so it crashes there. 2018-10-04 14:04:08 -07:00
Hunter Nichols 346b188372 Improved on some hard coded values which determine the measurements. 2018-10-04 14:04:08 -07:00
Hunter Nichols cfe15d48a4 Added changes to make changing the names of the measurements simple in delay.py. Results in some hardcoded values which is TODO for a fix. 2018-10-04 14:04:08 -07:00
Hunter Nichols aa0d032c78 Cleaned the char_data to fit the previous style. Added print statements to load/slew sims. 2018-10-04 14:04:08 -07:00
Michael Timothy Grimes cf4b216888 Correcting functional inheritance from simulation. 2018-10-04 13:55:59 -07:00
Michael Timothy Grimes e258199fa3 Removing we_b signal from write ports since it is redundant. 2018-10-04 09:31:04 -07:00
Michael Timothy Grimes 34d8a19871 Adding simulation.py for common functions between functional and delay tests. Updating functional test. 2018-10-04 09:29:44 -07:00
Michael Timothy Grimes bea6b0b5dc Renaming functional tests to include spice exe used. Renaming pex test to separate functional tests from pex test. 2018-09-30 22:39:37 -07:00
Michael Timothy Grimes 6d83ebf50f updating debug messages in functional test 2018-09-30 22:10:11 -07:00
Michael Timothy Grimes 8a56dd2ac9 Finished functional test 2018-09-30 21:20:01 -07:00
Michael Timothy Grimes 26c6232564 Updating functional test. Test can now run a spice simulation and read the dout values from the timing files. 2018-09-28 23:38:48 -07:00
Michael Timothy Grimes a71486e22f Adding mutliport constants to design.py to reduce the need for copied code across multiple modules. 2018-09-28 00:11:39 -07:00
Michael Timothy Grimes 66933ed922 Merge branch 'dev' of https://github.com/VLSIDA/PrivateRAM into multiport 2018-09-27 02:02:24 -07:00
Michael Timothy Grimes 19d68f613e Making changes to bank select for multiport. The height of the nor gate using pbitcell was too short and one of the contacts violated drc. Extended height of nor by drc spacing violation so it could pass in multiport. 2018-09-27 02:01:32 -07:00
Michael Timothy Grimes 1ca0154027 Editting top level netlist for multiport. Now there are multiple control logic modules, one per port. Since diffent ports are driven by different clocks, also separating dff modules, one per port. 2018-09-26 19:10:24 -07:00
Michael Timothy Grimes 648e57d195 Altering bank select for port specific use. Altering bank select test to test different port types. Altering bank for control signal changes. 2018-09-26 14:53:55 -07:00
Michael Timothy Grimes f1560375fc Altering control logic for read ports and write ports, by including only read or write specific circuitry. Altering replica bitline layout to support multiport 2018-09-25 20:00:25 -07:00
Matt Guthaus a7246f5e7f Rename omits 0 size ports 2018-09-24 13:44:31 -07:00
Matt Guthaus 9b0142d6b9 Comment debug for possible performance issue 2018-09-24 11:44:32 -07:00
Matt Guthaus a3f13d6eab Remove banks from test configs 2018-09-24 11:41:51 -07:00
Matt Guthaus 2df9b79b28 Remove scn3me lib files. Remove bank references. 2018-09-24 11:28:43 -07:00
Matt Guthaus 7432192e5e Small change to test webhook 2018-09-24 09:11:44 -07:00
Matt Guthaus 922e3f4c13 Small change to test webhook 2018-09-21 15:05:46 -07:00
Matt Guthaus ade12c9dc2 Small change to test webhook 2018-09-21 15:03:16 -07:00
Matt Guthaus e1864a7a1e Small change to test webhook 2018-09-21 15:02:16 -07:00
Matt Guthaus 2b3b4bbee6 Small change to test webhook 2018-09-21 15:01:07 -07:00
Michael Timothy Grimes 934959952b Corrections to functional test that adds multiple cs_b signals per port 2018-09-21 09:59:44 -07:00
Matt Guthaus 87502374c5 DRC clean supply grid routing on control logic. 2018-09-20 16:00:13 -07:00
Michael Timothy Grimes 2641841e4c Making correction to replica bitline netlist for multiport 2018-09-20 15:21:22 -07:00
Michael Timothy Grimes 938ded3dd6 Adding functional test to characterizer and unit tests in both single and multiport 2018-09-20 15:04:59 -07:00
Michael Timothy Grimes fc5f163828 Merge branch 'dev' of https://github.com/VLSIDA/PrivateRAM into multiport 2018-09-18 18:56:15 -07:00
Matt Guthaus fd9ffe30d6 Add layer width options to route object 
Modify router to use track-width routes.
 2018-09-18 15:12:53 -07:00
Matt Guthaus 8d2804b9cb Supply router working except: 
Off grid pins. Some pins do now span enough of the routing track and must be patched.
  Route track width. Instead of minimum width route, it should be the track width.
 2018-09-18 12:57:39 -07:00
Matt Guthaus bfc8428df7 Convert router tests to scn4m_subm 2018-09-17 13:30:30 -07:00
Matt Guthaus 60cceab50a Merge branch 'dev' into supply_routing 2018-09-17 11:34:31 -07:00
Matt Guthaus a58b1906ad Convert unit tests to scn4m_subm 
Also, fixed isdiff for python3.
 2018-09-17 11:13:46 -07:00
Michael Timothy Grimes 43f5316eed Correcting format of replica_pbitcell. 2018-09-13 18:51:52 -07:00
Michael Timothy Grimes 9acc8a9532 Altering multiport checks across several unit tests. 2018-09-13 18:49:20 -07:00
Michael Timothy Grimes 332976dd73 s_en will be shared amongst the sense amps of different ports, so I'm removing the distinct s_en signals from several modules. 2018-09-13 18:46:43 -07:00
Michael Timothy Grimes 5fd484ee5a Replacing replica_pbitcell module with a more effiecient verision. replica_pbitcell is now a wrapper for pbitcell in replica_bitcell mode. 2018-09-13 16:53:24 -07:00
Matt Guthaus e591176211 Change default to scn4m 2018-09-13 15:26:03 -07:00
Matt Guthaus 93ae7ebd00 Specify DRC,LVS,PEX tool for scn4m 2018-09-13 15:18:30 -07:00
Matt Guthaus 571dca5d5f Hard code flatten commands for the unique id precharge array 2018-09-13 15:15:41 -07:00
Matt Guthaus 4d328c5768 Fix hspice setuphold golden results 2018-09-13 14:41:15 -07:00
Matt Guthaus f4389bdd8f Add extra track spacings in some routes. 2018-09-13 14:12:24 -07:00
Matt Guthaus 63d0523228 Added scn4m_subm. 
Added scn4m_subm files (instead of scn4me_subm).
Fixed missing cifoutput/cifinput in magic tech file and gds files.
Fixed incorrect M3/via3/M4 design rules.
 2018-09-13 12:53:35 -07:00
Matt Guthaus 3539887ee4 Updating ms_flop removal. 
Updated characterizer for dff.
Added new setup/hold results for dff instead of ms_flop.
Removed ms_flop references in sram-base.
Fixed syntax errors in SCN3ME tech file.
 2018-09-13 11:40:24 -07:00
Matt Guthaus 66cbe0966c Removed old ms_flop unit test 2018-09-13 11:15:33 -07:00
Matt Guthaus f8fc7c12b3 Remove ms_flop and replace with dff. Might break setup_hold tests. 2018-09-13 11:02:28 -07:00
Matt Guthaus 849293b95b Converting grid data structures to sets to reduce size. 2018-09-13 09:10:29 -07:00
Michael Timothy Grimes e0b9989d85 Adding replica_pbitcell and test for multi-ported purposes. Altering replica bitline and test to accomodate. 2018-09-13 01:42:06 -07:00
Michael Timothy Grimes f03cd7c3ba Removing multiport_check option that diabled multiport portion of unit tests. Adding multiport checks to several other modules. 2018-09-12 20:22:12 -07:00
Michael Timothy Grimes 42719b8ec2 Fixing netlist_only errors. Removing netlist_only option from ptx because it must always generate layout for pbitcell. gds_write, drc check, and lvs check in local_check() are now in a 'if not OPTS.netlist_only' conditional. These functions will generate errors in netlist_only mode since there is no gds layout to write or check. 2018-09-12 01:53:41 -07:00
Michael Timothy Grimes 7dfd37f79c Altering control logic for multiport. Netlist changes only. 2018-09-12 00:59:07 -07:00
Michael Timothy Grimes bfc855b8b1 Merge branch 'dev' of https://github.com/VLSIDA/PrivateRAM into multiport 2018-09-11 17:33:17 -07:00
Hunter Nichols ac3cc5c79b Merge branch 'dev' into multiport_characterization 2018-09-11 16:01:51 -07:00
Matt Guthaus a3c2b4384a Improve comments. Simplify function interface for channel route. 2018-09-11 15:53:12 -07:00
Hunter Nichols 676b6764c7 Merge branch 'dev' into multiport_characterization 2018-09-11 15:40:17 -07:00
Matt Guthaus 3587f90e94 Fix copy pasta error in create vertical channel route 2018-09-11 14:47:55 -07:00
Matt Guthaus 5e34233479 Finish new VCG testing. 
Reversed VCG graph edge directions.
Channel tracks get added left to right or top down like
normal left edge algorithm examples.
 2018-09-11 14:24:13 -07:00
Matt Guthaus fcc4a75295 Create VCG using nets as nodes rather than pins. 2018-09-11 13:28:28 -07:00
Matt Guthaus add0e3ad68 Add none option for verify wrapper with warning messages. 2018-09-11 10:17:24 -07:00
Hunter Nichols 91bbc556e8 Cleaned up control logic cycle creation in delay.py. Fixed bug which caused input data to be determined by the read ports. 2018-09-10 22:06:50 -07:00
Hunter Nichols da6843af5b Changed power logic in lib file writing. Syntax incorrect still for multiport. To be changed when top-level is done. 2018-09-10 19:33:59 -07:00
Hunter Nichols 5dfa8bc2c6 Fixed known typos of the word transition. 2018-09-10 14:27:26 -07:00
Michael Timothy Grimes 38a1f35ff0 Correcting format of file (removing tabs) 2018-09-10 03:44:08 -07:00
Michael Timothy Grimes a7f03858e8 Adding 'multiport_check' option to OPTS. All of the unit tests that have multiport checks in them are now under this conditional. If you want to remove the multiport drc/lvs checks, you can set the option to False, and it will skip those portions. 2018-09-09 23:25:29 -07:00
Michael Timothy Grimes 5af56e5a3a Adding layout check for sram (1 bank) using pbitcell and 1RW port 2018-09-09 22:45:25 -07:00
Michael Timothy Grimes 0cdd3b99bf Generalized wl names using bitcell's list_all_wl_names function to accomodate multiport 2018-09-09 22:42:52 -07:00
Michael Timothy Grimes 586c72e4f7 Altering certain tests to include multiport checks. 2018-09-09 22:08:03 -07:00
Michael Timothy Grimes 27427d4192 Bank level layout now works with pbitcell and 1RW. Column mux and array have been altered to accomodate multiport. Multiport changes to wordline driver were removed because they were unnecessary. 2018-09-09 22:06:29 -07:00
Michael Timothy Grimes 252ae1effa add trailing 0 to web 2018-09-09 15:16:53 -07:00
Michael Timothy Grimes 68c00d7467 Removing din and dout list names in exchange for a read index. Write ports will always be in order (they will not skip numbers. Read ports however will skip the numbers assigned to wirte ports so the index of the read ports must be tracked. 2018-09-09 14:14:26 -07:00
Michael Timothy Grimes 1429b9ab1a Commiting working version of multi-port that can generate a netlist on the sram level. Changes that will clean up the code are forthcoming. 2018-09-09 14:00:51 -07:00
Michael Timothy Grimes c91735b23b Merge branch 'dev' of https://github.com/VLSIDA/PrivateRAM into multiport 2018-09-08 18:56:58 -07:00
Matt Guthaus 2d86492d91 Working on methodology of blockages, pins, and routing multiple pins. 2018-09-08 18:55:36 -07:00
Matt Guthaus 96c51f3464 Component shape functions. Find connected pins through overlaps. 2018-09-08 10:05:48 -07:00
Hunter Nichols 5cab786e21 Cleaned up analyze and some of its helper functions to be less cluttered. 2018-09-07 17:50:09 -07:00
Matt Guthaus 69261a0dc1 Routing and connecting rails with vias done. 
Refactored grid path class.
Added direction enum.
Does not route multi-track width wires in signal router.
 2018-09-07 14:46:58 -07:00
Hunter Nichols 83f6434476 Gave find_feasible_period a port input. 2018-09-07 00:53:11 -07:00
Hunter Nichols 8aaf1155d1 Fixed test 23_lib_sram_test. Fixed syntax in related golden lib files. 2018-09-06 22:51:34 -07:00
Hunter Nichols 0ff3b29b66 Fixed test 23_sram_prune test. Fixed syntax errors in golden lib files. 2018-09-06 22:06:23 -07:00
Michael Timothy Grimes 1a340c9c85 Merging latest changes from multiport with changes made to pbitcell. Changing select code from other modules and tests to reflect changes made to pbitcell. 2018-09-06 19:36:50 -07:00
Hunter Nichols bf34911f3f Test 21_ngspice now passing for scmos and freepdk45. 21_hspice has leakage power error (but it may be okay) 2018-09-06 18:40:21 -07:00
Hunter Nichols 1615de05e4 Fixed leakage power issue in test 21_hspice. Still requires more testing. 2018-09-06 18:26:08 -07:00
Michael Timothy Grimes 66a8a76fb0 Commiting changes to pbitcell that separate the routing into individual functions and rename. The bitlines and wordlines are also renamed. 2018-09-06 17:59:21 -07:00
Hunter Nichols a2bc82fe71 Fixed test 21_hspice. Leakage power is off. 2018-09-06 17:34:22 -07:00
Hunter Nichols dd22f9acd5 Fixed issues with analytical sram test. Changed syntax errors in golden lib file. 2018-09-06 17:01:10 -07:00
Matt Guthaus c2c17a33d2 Horizontal and vertical grid wires done. 2018-09-06 14:30:59 -07:00
Matt Guthaus cd987479b8 Updates to supply routing. 
Rename astar_grid to signal_grid to parallel supply routing.
Wave expansion for supply rails.
Pin addition for supply rails.
 2018-09-06 11:54:14 -07:00
Hunter Nichols f824d039c6 Merge branch 'dev' into multiport_characterization 2018-09-06 00:25:11 -07:00
Hunter Nichols 66c4782408 Fixed several syntax error regarding some multiport naming. Currently in debug mode. 2018-09-06 00:25:02 -07:00
Hunter Nichols ad235c02c6 Added debug code which skips characterization and goes straight to writing the lib. Fixed some syntax issues in the lib file. 2018-09-05 23:27:13 -07:00
Matt Guthaus 59956f1446 Update signal routing for new blockage and pins. 2018-09-05 16:01:11 -07:00
Matt Guthaus 7ead566154 Remove cell rename during DRC. Keep flatten. 2018-09-05 16:00:48 -07:00
Matt Guthaus b1c63a6c62 Add inflate blockages and remove pins from blockages. 2018-09-05 11:06:17 -07:00
Matt Guthaus 93b24d8c85 Merge remote-tracking branch 'origin/dev' into supply_routing 2018-09-05 11:05:41 -07:00
Matt Guthaus ba651d53ae Change options in pbitcell test to be global again. 2018-09-05 10:59:41 -07:00
Matt Guthaus 2a27fbc98e Fix temp directory preservation option. 
Make labels in freepdk45 replica bitcell lower case.
 2018-09-05 10:02:12 -07:00
Matt Guthaus 0f87ba742f Add back LEF blockages. Remove "absolute" flags from GDS output 2018-09-05 09:28:43 -07:00
Matt Guthaus 8ffdcdf277 Fixed bit shift amount error. Removed rotate flag for Calibre. 2018-09-04 17:27:50 -07:00
Matt Guthaus 5395f21be9 Remove unique id in contact that was used for debugging 2018-09-04 16:40:52 -07:00