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427 Commits

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Author SHA1 Message Date
Ross Thompson
4d14c714a7 Fixed forwarding around the 2 bit predictor. 2021-03-04 13:01:41 -06:00
Thomas Fleming
7347b3e1b7 Fix some constants in virtual memory test 2021-03-04 13:19:55 -05:00
Shreya Sanghai
246dbd05e7 fixed bugs 2021-03-04 12:59:45 -05:00
Shreya Sanghai
f0ec365117 added performance counters 2021-03-04 11:42:52 -05:00
bbracker
448cba2a5b JALR testing 2021-03-04 10:37:30 -05:00
bbracker
d98c69c4c6 changed test maker to output trace files for debug 2021-03-04 10:36:04 -05:00
Ross Thompson
52d95d415f Converted to using the BTB to predict the instruction class. 2021-03-04 09:23:35 -06:00
Teo Ene
554d529723 Slightly modified exe2memfile.pl script 2021-03-04 07:51:25 -06:00
Teo Ene
06be82fc67 Added stop to coremark_bare testbench 2021-03-04 07:47:07 -06:00
Teo Ene
8f1584ca04 Edited assemby of bare-metal coremark to make it run 2021-03-04 07:45:40 -06:00
Teo Ene
396dc61564 Linux CoreMark and baremetal CoreMark split into two separate tests/configs 2021-03-04 07:44:33 -06:00
Teo Ene
6ebb79abe0 Linux CoreMark is operational 2021-03-04 05:58:18 -06:00
Thomas Fleming
de3f2547f4 Install dtlb in dmem 2021-03-04 03:30:06 -05:00
Thomas Fleming
1df7151fb6 Install tlb into ifu 2021-03-04 03:11:34 -05:00
Thomas Fleming
2e409f2299 Merge branch 'tlb_toy' into main 2021-03-04 02:41:11 -05:00
Thomas Fleming
5f98c932bf Move tlb into mmu directory 2021-03-04 02:39:08 -05:00
Teo Ene
f060f6cb9d Fix to 32-bit option of commit babe6ce9db 2021-03-04 01:33:34 -06:00
Teo Ene
08a7f6ec25 In the process of updating coremark.RV64I program to work with Dr. Harris's perl script. Commiting to make it easier to switch branches 2021-03-04 01:27:05 -06:00
Thomas Fleming
d9f396ee0e Merge branch 'main' into tlb_toy 2021-03-04 01:18:04 -05:00
Thomas Fleming
347275e7ee Generalize tlb module 
- number of tlb entries is now parameterized
- tlb now supports rv64i
 2021-03-04 01:13:31 -05:00
Teo Ene
6031269de8 Implemented fix disucssed with Elizabeth 2021-03-03 18:17:53 -06:00
Thomas Fleming
394051c02f Begin hardware page table walker 2021-03-03 17:13:45 -05:00
Thomas Fleming
d8ac9034b7 Create virtual memory ad-hoc test 
Test program is currently failing on ovpsim. There is no indication that ovpsim
is properly implementing virtual memory translation when satp is set accordingly.
Need to confirm whether this is a problem with ovpsim, how ovpsim is being
called, or the test itself.
 2021-03-03 17:06:37 -05:00
Teo Ene
4562c61af3 Fix to last push 2021-03-03 15:20:38 -06:00
Teo Ene
37bf3d836f Updated coremark .do file for easier debugging 2021-03-03 15:10:39 -06:00
Teo Ene
e6044b9867 Merge branch 'main' of github.com:davidharrishmc/riscv-wally into main 2021-03-02 17:23:44 -06:00
Teo Ene
e7f7f980b3 Updated coremark .do file for easier debugging 2021-03-02 17:23:39 -06:00
Noah Boorstin
21b1c4163c busybear: add sim-busybear and sim-busybear-batch based on sim-wally 2021-03-01 21:01:15 +00:00
Noah Boorstin
62b441f3f5 busybear: probably discovered bug in ahb code 2021-03-01 20:56:04 +00:00
Noah Boorstin
965d48afe7 busybear: only check pc when it actually changes 2021-03-01 19:08:35 +00:00
Noah Boorstin
4833b36535 busybear: more adapting to new memory system 2021-03-01 18:50:42 +00:00
Noah Boorstin
26d4024b33 busybear: fix bootram range 2021-03-01 17:45:21 +00:00
David Harris
9bcddfa5dd Merge branch 'main' of https://github.com/davidharrishmc/riscv-wally into main 2021-03-01 00:09:55 -05:00
David Harris
2543c29839 Initial (untested) implementation of lr and sc 2021-03-01 00:09:45 -05:00
Teo Ene
babe6ce9db Properly implemented the fix from commit 31c07b2adc 2021-02-28 22:22:04 -06:00
Noah Boorstin
e4bda37354 Merge branch 'main' into busybear 2021-02-28 20:48:23 +00:00
Noah Boorstin
1858c32e9d add .nfs* files to gitignore 2021-02-28 20:48:01 +00:00
Noah Boorstin
bcc0010498 Merge branch 'main' into busybear 2021-02-28 20:45:08 +00:00
Noah Boorstin
f306d2d2e1 busybear: start preloading bootmem 2021-02-28 20:43:57 +00:00
Noah Boorstin
db86d20d11 busybear: check instead of providing InstrF 2021-02-28 16:46:53 +00:00
Noah Boorstin
a03796a519 busybear: change sstatus, mstatus reset value 2021-02-28 16:19:03 +00:00
Noah Boorstin
6e70ae8b3d busybear: add 2nd dtim for bootram 2021-02-28 16:08:54 +00:00
Noah Boorstin
edd5e9106d busybear: remove gpio, start adding 2nd ram 2021-02-28 06:02:40 +00:00
Noah Boorstin
e5e345d161 busybear: instantiate normal wallypipelinedsoc 2021-02-28 06:02:21 +00:00
Ross Thompson
7592a0dacb Shreya and I found a bug with the exeuction of JAL and JALR instructions. The link was only set in the writeback stage. Once the branch predictor started correctly predicting JAL(R)s the ALU and forwarding logic need to have the PCLinkE at the execution stage in case an instruction in the next two clocks need the data. 2021-02-26 20:12:27 -06:00
Ross Thompson
37e6a45d76 Updating the test bench to include a function radix. Not done. 2021-02-26 19:43:40 -06:00
David Harris
cf03afa880 Eliminated flushing pipeline on CSR reads 2021-02-26 17:00:07 -05:00
David Harris
015b632eb1 Cleaned out unused signals 2021-02-26 09:17:36 -05:00
kaveh pezeshki
c7863d58cd merged with main to integrate with AHB 2021-02-26 05:37:10 -08:00
Noah Boorstin
ab9247d625 busybear: add main ram loading, better instr checking also 2021-02-26 20:26:54 +00:00