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Author SHA1 Message Date
Ross Thompson
c3b43b2fac Waiting on fix for wally64periph uart test. 
would like to remove vectored interrupt adder.
 2022-12-21 13:16:09 -06:00
Ross Thompson
0b4186f1e8 Vectored interrupts now require 64 byte alignment. 
Eliminates adder.
 2022-12-21 12:05:49 -06:00
Ross Thompson
91f948a91c The optimzied PC+2/4 logic still hanges on wally32priv. 2022-12-21 09:19:34 -06:00
Ross Thompson
6858b7568c Renamed PCPlusUpperF to PCPlus4F. 2022-12-21 09:18:30 -06:00
Ross Thompson
3d95aa3423 Added timeout check to testbench. 
A watchdog checks the value of PCW.  If it does not change within 1M cycles immediately stop simulation and report an error.
 2022-12-21 09:18:00 -06:00
Ross Thompson
ac94b55e74 Fixed minor bug in PLIC. reading interrupt source 0 should not return x. it should provide produce 0. 
Switched to even simplier PC+2/4 logic.
 2022-12-21 09:00:09 -06:00
Ross Thompson
a02b40cf02 Changes to wave file. 2022-12-21 08:41:47 -06:00
Ross Thompson
fe723af1af Comments about PC+2/4. 2022-12-21 08:35:43 -06:00
David Harris
5d91b3044f Clean up vecgtored interrupts 2022-12-20 16:53:09 -08:00
David Harris
dd0a02f0c8 Converted tvecmux to structural 2022-12-20 16:24:04 -08:00
Ross Thompson
f860440361 Merge branch 'main' of github.com:davidharrishmc/riscv-wally 2022-12-20 18:09:37 -06:00
Ross Thompson
80be2e7be5 privileged pc mux cleanup. 2022-12-20 18:05:44 -06:00
Ross Thompson
97593e8a6f Moved privileged pc logic into privileged unit. 2022-12-20 17:55:45 -06:00
David Harris
8f640f050f IFU mux for CSRWriteFenceM conditional on ZICSR/ZIFENCEI 2022-12-20 15:38:30 -08:00
Ross Thompson
35ad49502f Implement FENCE.I as NOP when ZIFENCEI is not supported. 2022-12-20 17:34:11 -06:00
Ross Thompson
0dc09ac22d Merge branch 'main' of github.com:davidharrishmc/riscv-wally 2022-12-20 17:11:35 -06:00
Ross Thompson
65cbff9283 Changed long names of vectored pcm signals. 2022-12-20 17:01:20 -06:00
David Harris
f3e9950317 Merge branch 'main' of https://github.com/davidharrishmc/riscv-wally into main 2022-12-20 14:43:33 -08:00
David Harris
e7702e48b7 FPU remove unused signals 2022-12-20 14:43:30 -08:00
Ross Thompson
6f543d01b7 Merge branch 'main' of github.com:davidharrishmc/riscv-wally 2022-12-20 16:36:44 -06:00
Ross Thompson
8029b12f2a Renumbered bits for PCPlusUpper. 2022-12-20 16:33:49 -06:00
David Harris
caef1a6997 Merge branch 'main' of https://github.com/davidharrishmc/riscv-wally into main 2022-12-20 11:23:53 -08:00
David Harris
f0ef5caf32 Memory cleanup 2022-12-20 11:22:26 -08:00
Ross Thompson
c4901450c4 Merge branch 'main' of github.com:davidharrishmc/riscv-wally 2022-12-20 12:58:59 -06:00
Ross Thompson
684d260005 Reorganized IFU PCNextF logic. 2022-12-20 12:58:54 -06:00
David Harris
03c700d91c Restored rv32d arch test after new push 2022-12-20 10:56:33 -08:00
David Harris
e74d47bcb4 Renamed renamed sram to ram 2022-12-20 08:36:45 -08:00
David Harris
16f3c25cb7 sram1p1rw cleanup 2022-12-20 02:57:51 -08:00
David Harris
08234cb1c7 Remoed unused bram modules 2022-12-20 02:40:45 -08:00
David Harris
2c46f22be5 Renamed SRAM2P1R1W to lower case 2022-12-20 02:09:55 -08:00
David Harris
54e856c4f5 Renamed SRAM2P1R1W to lower case 2022-12-20 02:09:36 -08:00
David Harris
caf457106a Replaced || and && with single ops 2022-12-20 01:33:35 -08:00
Ross Thompson
dedc08bd42 several options for pcnextf on fence.i 2022-12-19 23:33:12 -06:00
Ross Thompson
2df18cc758 More bp/ifu pcmux cleanup. 2022-12-19 23:16:58 -06:00
Ross Thompson
565585b35a Moved more muxes inside bp. 2022-12-19 22:51:55 -06:00
Ross Thompson
d8ee0ea59d Begin cleanup of ifu. partial move of pc muxes inside bp. 2022-12-19 22:46:11 -06:00
David Harris
e4579f3e9b Removed CSR support from rv32i 2022-12-19 16:15:12 -08:00
David Harris
9fea16fd20 Simplified InstrRawD register 2022-12-19 15:18:42 -08:00
David Harris
a4da3f30e1 Explained hazard causes 2022-12-19 09:41:41 -08:00
David Harris
67763dbeec Merge branch 'main' of https://github.com/davidharrishmc/riscv-wally into main 2022-12-19 09:09:57 -08:00
David Harris
3172dfd6a9 Properly decode fcvtint to prevent unnecessary stalls 2022-12-19 09:09:48 -08:00
Ross Thompson
159eda85f0 Renamed FStallD to FPUStallD. 2022-12-19 09:28:45 -06:00
Alessandro Maiuolo
5a82898649 Added NumZeroE, AZeroM, and BZeroM 2022-12-18 20:02:40 -08:00
Alessandro Maiuolo
2989782fe6 fixed LOGRK. FIxed Xs in WC and WS from muxes reliant on SqrtE. note not linting on 4 copies radix 4 because IntBits only 7 bits wide (need 8) 2022-12-18 19:04:36 -08:00
Ross Thompson
6561b8d102 Added files to gitignore. 2022-12-18 18:53:37 -06:00
Ross Thompson
4f56e6ff5d I think I finally fixed a long hidden bug in the replacement policy. The figures in the textbook are correct. There was small bug in the rtl. 2022-12-18 18:30:35 -06:00
Ross Thompson
b4229c01ca Have a basic cache test to fill all ways and sets. 2022-12-18 17:20:30 -06:00
Ross Thompson
376b01fcb8 Attempted to make a cache test. 2022-12-18 17:15:08 -06:00
Ross Thompson
ebdac1a9d0 Updated tests for fpga and BP. 2022-12-18 16:24:26 -06:00
Ross Thompson
e326c9972c Updated vcu118 piniout. 2022-12-18 14:00:10 -06:00