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61 Commits

Author SHA1 Message Date
Ross Thompson
8141a515bb Changed configs to support 4 ways set associative caches. 2021-09-08 12:52:49 -05:00
Ross Thompson
d430659983 fixed the read timer issue but we still have problems with interrupts and i/o devices. 2021-08-06 10:16:06 -05:00
David Harris
c117356432 Parameterized I$/D$ configurations and added sanity check assertions in testbench 2021-07-20 08:57:13 -04:00
David Harris
b2f7952b3d Added cache configuration to config files 2021-07-19 18:19:46 -04:00
David Harris
c29a2ff8df Started atomics 2021-07-17 21:11:41 -04:00
David Harris
f69393f197 Reduced size of physical memory by 16 for performance 2021-07-16 20:10:12 -04:00
Ross Thompson
abce241f68 Also changed the shadow ram's dcache copy widths. 
Merge branch 'dcache' into main
 2021-07-16 14:21:09 -05:00
David Harris
6b9cfe90d8 Added ASID & Global PTE handling to TLB CAM 2021-07-04 17:52:00 -04:00
David Harris
c897bef8cd Moved BOOTTIM to 0x1000-0x1FFF. Added logic to detect an access to undefined memory and assert HREADY so bus doesn't hang. 2021-07-04 01:19:38 -04:00
Kip Macsai-Goren
1485d29dde Light cleanup of signals, style. Changed several signals to account for new Phys Addr sizes as opposed to HADDR. 2021-06-24 20:01:11 -04:00
bbracker
83a1f29c37 remove OVP_CSR_CONFIG because it is an alias of BUSYBEAR 2021-06-20 22:38:25 -04:00
David Harris
72d8d34e3c allow all size memory access in CLINT; added underscore to peripheral address symbols 2021-06-18 08:05:50 -04:00
David Harris
09c5e27853 Started simplifying PMA checker 2021-06-17 16:28:06 -04:00
David Harris
e231fc6b00 More verilator fixes, but bpred is broken 2021-06-09 21:03:03 -04:00
David Harris
4bd7058456 More PMP entries 2021-06-08 15:33:06 -04:00
David Harris
9a17556de4 Start to parameterize number of PMP Entries 2021-06-08 15:29:22 -04:00
Kip Macsai-Goren
fcb9b1f0e1 working version with new mmu comments, old boottim values 2021-06-08 15:20:25 -04:00
David Harris
cfe5c27946 Resized BOOT TIM to 1 KB 2021-06-08 14:04:32 -04:00
David Harris
b37bcc8e38 Continued merge 2021-06-07 12:49:47 -04:00
David Harris
1e67db2f0c Second attept to commit refactoring config files 2021-06-07 12:37:46 -04:00
David Harris
95cc70295b Merge difficulties 2021-06-07 09:50:23 -04:00
David Harris
8bbabb683d Refactored configuration files and renamed testbench-busybear to testbench-linux 2021-06-07 09:46:52 -04:00
Kip Macsai-Goren
b99b5f8e0e moved privilege dfinitions into wally-constants, upgraded relevant includes 2021-06-04 17:55:07 -04:00
David Harris
b836679ae1 Started MMU 2021-06-04 11:59:14 -04:00
David Harris
a61411995a moved shared constants to a shared directory 2021-06-03 22:41:30 -04:00
Kip Macsai-Goren
06cf3a8403 Edited and added constants to support SV48 2021-06-01 17:49:45 -04:00
Shriya Nadgauda
0be6b81df9 finishing merge conflict changes 2021-05-03 22:15:05 -04:00
Shriya Nadgauda
52e0b703b7 merge conflict fixes 2021-05-03 22:12:30 -04:00
Shriya Nadgauda
0282aebec7 updated pipeline tests 2021-05-03 22:07:36 -04:00
bbracker
0d62440f60 Merge branch 'main' of https://github.com/davidharrishmc/riscv-wally into main 2021-04-30 06:26:35 -04:00
bbracker
9c08ce5359 rv32 plic test and lint fixes 2021-04-30 06:26:31 -04:00
Ross Thompson
893e03d55b Fixed memory size in configs for rv32ic and rv64ic. 
Removed warning on call to $fscanf.
 2021-04-29 17:36:46 -05:00
Ross Thompson
14a69c1d06 Added the ability to exclude branch predictor. 2021-04-26 14:27:42 -05:00
bbracker
c796547156 greatly improved PLIC register interface 2021-04-22 11:22:01 -04:00
Noah Boorstin
5902637632 buildroot: sim is now running! 
yes it only gets through 5 instructions right now. Yes that's my fault.
 2021-04-17 14:44:32 -04:00
bbracker
11cf251378 Merge branch 'main' of https://github.com/davidharrishmc/riscv-wally into main 2021-04-15 21:09:27 -04:00
bbracker
195cead01c working GPIO interrupt demo 2021-04-15 21:09:15 -04:00
Domenico Ottolia
a149f2f3d8 Add support for vectored interrupts 2021-04-15 19:13:42 -04:00
Shreya Sanghai
75caa65df1 Cherry Pick merge of Shreya's localhistory predictor changes into main. 
fixed minor bugs in localHistory
 2021-04-15 09:04:36 -05:00
Thomas Fleming
e807f5d771 Implement support for superpages 2021-04-08 02:44:59 -04:00
bbracker
ce7b2314ef Yee hoo first draft of PLIC plus self-checking tests 2021-04-04 06:40:53 -04:00
Thomas Fleming
4b2765f8e2 Complete basic page table walker 2021-03-30 22:19:27 -04:00
bbracker
eea7e2e47e first pass at PLIC interface 2021-03-22 10:14:21 -04:00
Shreya Sanghai
dfc86539cc Merge branch 'gshare' into main 
Conflicts:
	wally-pipelined/regression/wave.do
 2021-03-18 17:25:48 -04:00
Ross Thompson
9386e6a524 Switched to gshare from global history. 
Fixed a few minor bugs.
 2021-03-18 16:05:59 -05:00
Noah Boorstin
847bf0b9a6 change ifndef to generate/if 2021-03-18 12:50:19 -04:00
Noah Boorstin
fa1407f6e3 everyone gets a bootram 2021-03-18 12:35:37 -04:00
Shreya Sanghai
d9b1e7d67f added gshare and global history predictor 2021-03-16 17:03:01 -04:00
Shreya Sanghai
a79e26f9d8 added global history branch predictor 2021-03-16 16:06:40 -04:00
Shreya Sanghai
518618ad38 Merge branch 'counters' into main 
added a configurable number of performance counters
 2021-03-16 11:01:30 -04:00