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Author SHA1 Message Date
Ross Thompson
de7f3b14fc More branch predictor cleanup. 
Found small bug. The decode stage was using the predicted instruction class rather than the decoded instruction class.
 2023-01-13 12:57:18 -06:00
Ross Thompson
cf608ee45f Possible optimization of gshare. 
I don't believe the Writeback stage ghr is needed.
 2023-01-13 12:39:29 -06:00
Ross Thompson
ea7c447218 Possible minor enhancement to gshare. 2023-01-13 12:32:39 -06:00
Ross Thompson
395b7a5b32 Nearly complete RVVI tracer. 
Missing PMP registers and performance counters other than MCYCLE and MINSTRET.
 2023-01-12 18:43:39 -06:00
Ross Thompson
ef4c684336 Added supervisor mode registers to tracer. 2023-01-12 17:04:41 -06:00
Ross Thompson
9917be817c Added M CSRs to the CSRArray. 2023-01-12 16:51:51 -06:00
Ross Thompson
a68773eba1 added machine csr to logger. 2023-01-12 16:35:19 -06:00
Ross Thompson
2e622c9860 Added support to print the gprs. 2023-01-12 16:09:30 -06:00
Ross Thompson
4733b787f8 rvvi trace is coming alone nicely. 2023-01-12 14:46:31 -06:00
Ross Thompson
3cc37e3f12 Completely stripped down imperas simulation. 
run with
vsim -c -do "do wally-pipelined-imperas.do rv64gc"
 2023-01-12 12:48:38 -06:00
Ross Thompson
2f2f3d6da5 Stripped out all signature checking. 
Removed multiple tests loop.
Only runs 1 test now.
 2023-01-12 12:45:44 -06:00
Ross Thompson
5ad0bacf5b Created separate imperas testbench. 
Resolved logger issue with the duplicated instructions after commit.
 2023-01-12 12:07:07 -06:00
Ross Thompson
94f24d3f58 Added instruction logger. 2023-01-12 10:09:34 -06:00
Ross Thompson
e0867b1840 Completed review of LSU. 2023-01-11 19:06:03 -06:00
Ross Thompson
aba1df9abf Merge branch 'main' of github.com:davidharrishmc/riscv-wally 2023-01-11 18:52:49 -06:00
Ross Thompson
318ceba34d Improved LSU formating. 2023-01-11 18:52:46 -06:00
sarah-harris
796a189451 privilege unit -> privileged unit in ifu.sv 
privilege unit -> privileged unit in ifu.sv
 2023-01-11 16:33:08 -08:00
Ross Thompson
ad22a9ea02 Merge branch 'main' of github.com:davidharrishmc/riscv-wally 2023-01-11 17:26:11 -06:00
sarah-harris
203cc164d9 Added Sarah.Harris@unlv.edu to alu.sv 
Added Sarah.Harris@unlv.edu to alu.sv
 2023-01-11 15:20:41 -08:00
Ross Thompson
b60e9730a7 Merge branch 'main' of github.com:davidharrishmc/riscv-wally 2023-01-11 17:15:49 -06:00
David Harris
8c6ddcc15b changed name to CORE-V-WALLY 2023-01-11 15:15:08 -08:00
Ross Thompson
bccef3b39c Updated header for LSU. 2023-01-11 17:15:07 -06:00
David Harris
9a057ef5cd Merge branch 'main' of https://github.com/davidharrishmc/riscv-wally into main 2023-01-11 15:13:58 -08:00
Ross Thompson
a8931e0211 Merge branch 'main' of github.com:davidharrishmc/riscv-wally 2023-01-11 17:09:23 -06:00
Katherine Parry
4556839960 fixed typo bug in fpu 2023-01-11 17:07:02 -06:00
Ross Thompson
6999b4562e Updated branch predictor. 2023-01-11 17:00:45 -06:00
David Harris
3ea4dd4898 Changed Wally to CORE-V Wally 2023-01-11 14:03:44 -08:00
David Harris
99ff78b902 FPU cleanup 2023-01-11 12:27:00 -08:00
David Harris
4ff2627a50 fpu cleanup 2023-01-11 12:18:06 -08:00
David Harris
d1bfdddd8c Rename FP and FPU to F in signal names 2023-01-11 11:46:36 -08:00
David Harris
15026f61f7 FPU comments 2023-01-11 11:31:28 -08:00
David Harris
654abcde61 Replaced MDUE with IntDivE in FDIVSQRT 2023-01-11 11:06:37 -08:00
David Harris
f6987fab8c Switched to XZeroE from NumerZeroE in square root preprocessor 2023-01-10 12:37:49 -08:00
David Harris
739c2c8322 Changed MIT license to Solderpad License 2023-01-10 11:35:20 -08:00
David Harris
446b5fa83f Division constant cleanup 2023-01-10 11:14:59 -08:00
David Harris
4a34007b49 Merge branch 'main' of https://github.com/davidharrishmc/riscv-wally into main 2023-01-09 13:04:37 -08:00
David Harris
b2ec52c94d Changed DIVN from NF+3 to NF+2, cleanup 2023-01-09 13:04:34 -08:00
Ross Thompson
f330d877ac Added folded gshare predictor with k=16 and depth=10. 2023-01-09 14:41:03 -06:00
David Harris
48f31d4b24 Divider constant cleanup, made CORRSHIFTSZ consistent 2023-01-09 12:34:19 -08:00
Ross Thompson
302a2e0116 Added better branch predictor to fpga config. 2023-01-09 13:46:30 -06:00
Ross Thompson
ca55bd8444 Fixed branch predictor. 2023-01-09 13:45:49 -06:00
Ross Thompson
6a616617d1 Restored to default configuration. 2023-01-09 00:21:45 -06:00
Ross Thompson
816006ac1b Merge branch 'main' of github.com:davidharrishmc/riscv-wally into main 2023-01-09 00:18:11 -06:00
Ross Thompson
6326e6984c Might have actually solved the gshare bug. 2023-01-09 00:11:25 -06:00
Ross Thompson
6cbce9672d Possibly working speculative global history. 2023-01-08 23:46:53 -06:00
Ross Thompson
0eda4b1ab3 core part of global history works now. forwarding is still broken. 2023-01-08 23:35:02 -06:00
David Harris
d7e420e350 Cache code cleanup 2023-01-07 15:49:18 -08:00
David Harris
dc12291ee3 Cache code cleanup 2023-01-07 15:46:23 -08:00
David Harris
057183bcc9 Cache code cleanup 2023-01-07 15:44:44 -08:00
David Harris
0a25f18a07 Cache code cleanup 2023-01-07 15:42:08 -08:00