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527 Commits

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Author SHA1 Message Date
Ross Thompson
a8cd4f2b2e Fixed forwarding around the 2 bit predictor. 2021-03-04 13:01:41 -06:00
Thomas Fleming
97da55e7ce Fix some constants in virtual memory test 2021-03-04 13:19:55 -05:00
Shreya Sanghai
f95a1eadd9 fixed bugs 2021-03-04 12:59:45 -05:00
Shreya Sanghai
7cd8f1a592 added performance counters 2021-03-04 11:42:52 -05:00
bbracker
7852d866ef JALR testing 2021-03-04 10:37:30 -05:00
bbracker
5de23fcbe0 changed test maker to output trace files for debug 2021-03-04 10:36:04 -05:00
Ross Thompson
d0223da2f7 Converted to using the BTB to predict the instruction class. 2021-03-04 09:23:35 -06:00
Teo Ene
2accb70370 Slightly modified exe2memfile.pl script 2021-03-04 07:51:25 -06:00
Teo Ene
27a807db95 Added stop to coremark_bare testbench 2021-03-04 07:47:07 -06:00
Teo Ene
95ce4b7daa Edited assemby of bare-metal coremark to make it run 2021-03-04 07:45:40 -06:00
Teo Ene
2723b21988 Linux CoreMark and baremetal CoreMark split into two separate tests/configs 2021-03-04 07:44:33 -06:00
Teo Ene
80f6d6c944 Linux CoreMark is operational 2021-03-04 05:58:18 -06:00
Thomas Fleming
8c410b6fbe Install dtlb in dmem 2021-03-04 03:30:06 -05:00
Thomas Fleming
1a2db17ee5 Install tlb into ifu 2021-03-04 03:11:34 -05:00
Thomas Fleming
ab6ae6d3f1 Merge branch 'tlb_toy' into main 2021-03-04 02:41:11 -05:00
Thomas Fleming
7a9f866120 Move tlb into mmu directory 2021-03-04 02:39:08 -05:00
Teo Ene
b15ef47d24 Fix to 32-bit option of commit 2d40898158 2021-03-04 01:33:34 -06:00
Teo Ene
0c009fb1e6 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
d821a1dbfa Merge branch 'main' into tlb_toy 2021-03-04 01:18:04 -05:00
Thomas Fleming
c03b540956 Generalize tlb module 
- number of tlb entries is now parameterized
- tlb now supports rv64i
 2021-03-04 01:13:31 -05:00
Teo Ene
a82a123069 Implemented fix disucssed with Elizabeth 2021-03-03 18:17:53 -06:00
Thomas Fleming
692d4152fa Begin hardware page table walker 2021-03-03 17:13:45 -05:00
Thomas Fleming
5fd521d333 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
d3a1afe50e Fix to last push 2021-03-03 15:20:38 -06:00
Teo Ene
b50faef94d Updated coremark .do file for easier debugging 2021-03-03 15:10:39 -06:00
Teo Ene
e30645a4f1 Merge branch 'main' of github.com:davidharrishmc/riscv-wally into main 2021-03-02 17:23:44 -06:00
Teo Ene
d02e22feac Updated coremark .do file for easier debugging 2021-03-02 17:23:39 -06:00
Noah Boorstin
beb2beabfd busybear: add sim-busybear and sim-busybear-batch based on sim-wally 2021-03-01 21:01:15 +00:00
Noah Boorstin
923489fe16 busybear: probably discovered bug in ahb code 2021-03-01 20:56:04 +00:00
Noah Boorstin
b6dc0a8707 busybear: only check pc when it actually changes 2021-03-01 19:08:35 +00:00
Noah Boorstin
b3247eadd2 busybear: more adapting to new memory system 2021-03-01 18:50:42 +00:00
Noah Boorstin
f11b3108d8 busybear: fix bootram range 2021-03-01 17:45:21 +00:00
David Harris
23a1cf63b3 Merge branch 'main' of https://github.com/davidharrishmc/riscv-wally into main 2021-03-01 00:09:55 -05:00
David Harris
6f4e8b723e Initial (untested) implementation of lr and sc 2021-03-01 00:09:45 -05:00
Teo Ene
2d40898158 Properly implemented the fix from commit 5fee65231e 2021-02-28 22:22:04 -06:00
Noah Boorstin
141f6a5496 Merge branch 'main' into busybear 2021-02-28 20:48:23 +00:00
Noah Boorstin
a5f1dbfe23 add .nfs* files to gitignore 2021-02-28 20:48:01 +00:00
Noah Boorstin
a267115635 Merge branch 'main' into busybear 2021-02-28 20:45:08 +00:00
Noah Boorstin
17715085ba busybear: start preloading bootmem 2021-02-28 20:43:57 +00:00
Noah Boorstin
932bc0ef85 busybear: check instead of providing InstrF 2021-02-28 16:46:53 +00:00
Noah Boorstin
856a1079cc busybear: change sstatus, mstatus reset value 2021-02-28 16:19:03 +00:00
Noah Boorstin
2769b147cb busybear: add 2nd dtim for bootram 2021-02-28 16:08:54 +00:00
Noah Boorstin
969c094489 busybear: remove gpio, start adding 2nd ram 2021-02-28 06:02:40 +00:00
Noah Boorstin
0596d61a2a busybear: instantiate normal wallypipelinedsoc 2021-02-28 06:02:21 +00:00
Ross Thompson
6191fcb1af 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
c2cf3f9fb6 Updating the test bench to include a function radix. Not done. 2021-02-26 19:43:40 -06:00
David Harris
73920282af Eliminated flushing pipeline on CSR reads 2021-02-26 17:00:07 -05:00
David Harris
0258901865 Cleaned out unused signals 2021-02-26 09:17:36 -05:00
kaveh pezeshki
e8b306bcba merged with main to integrate with AHB 2021-02-26 05:37:10 -08:00
Noah Boorstin
4c7b185d90 busybear: add main ram loading, better instr checking also 2021-02-26 20:26:54 +00:00