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6e803b724e
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74 Commits

Author SHA1 Message Date
Ross Thompson
6e803b724e Merge branch 'tests' into icache-almost-working 2021-04-25 21:25:36 -05:00
bbracker
74b35ac57a greatly improved PLIC register interface 2021-04-22 11:22:01 -04:00
Noah Boorstin
3f0ead9d4e yay buildroot passes a decent amount of tests now 
gets through the first 15k instructions, that's good enough for now
also slight change to string parsing in busybear testbench
 2021-04-19 03:26:08 -04:00
Noah Boorstin
6954e6df4c 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
Noah Boorstin
4f97e9e761 start to add buildroot testbench 
This still uses testbench-busybear.sv
I think it might be time to finally rename nearly 'busybear' thing to 'linux'
 2021-04-16 23:27:29 -04:00
bbracker
290b3424e5 Merge branch 'main' of https://github.com/davidharrishmc/riscv-wally into main 2021-04-15 21:09:27 -04:00
bbracker
368c94d4ff working GPIO interrupt demo 2021-04-15 21:09:15 -04:00
Domenico Ottolia
92bb38fa8c Add support for vectored interrupts 2021-04-15 19:13:42 -04:00
Shreya Sanghai
0369fc5d1e Cherry Pick merge of Shreya's localhistory predictor changes into main. 
fixed minor bugs in localHistory
 2021-04-15 09:04:36 -05:00
Shreya Sanghai
7e9a0602ea fixed bugs in global history to read latest GHRE 
Cherry pick Shreya's commits into main branch.
 2021-04-15 08:55:22 -05:00
Thomas Fleming
303c2c4839 Implement support for superpages 2021-04-08 02:44:59 -04:00
Ross Thompson
c91436d3b7 Merge branch 'icache_bp_bug' into tests 
Not sure this merge is right.
 2021-04-06 21:46:40 -05:00
Ross Thompson
98a04abe6c Merge remote-tracking branch 'refs/remotes/origin/tests' into tests 2021-04-06 21:20:55 -05:00
Ross Thompson
bff2d61a1f Steps to getting branch predictor benchmarks running. 2021-04-06 21:20:51 -05:00
bbracker
31c6b2d01f Yee hoo first draft of PLIC plus self-checking tests 2021-04-04 06:40:53 -04:00
Thomas Fleming
350fe87119 Merge branch 'main' of github.com:davidharrishmc/riscv-wally into main 2021-04-01 16:24:06 -04:00
Shreya Sanghai
df149d1be7 fixed minor bugs in localHistory 2021-04-01 13:40:08 -04:00
Shreya Sanghai
b544526766 fixed bugs in global history to read latest GHRE 2021-03-31 21:56:14 -04:00
Teo Ene
7c364a26e9 Updated MISA in coremark_bare config file 2021-03-31 20:39:02 -05:00
Ross Thompson
a64a37d702 Merge of main with the new icache and the branch predictor. I believe there is a bug in the icache with unaligned memory access. The second part of the access is incorrectly relying on the PCF being the address of the next two bytes of the instruction. However this is not always the case as the branch predictor can get the wrong target address. The icache needs to generate the +2 address internally. 2021-03-30 23:18:20 -05:00
Thomas Fleming
eca2427f94 Merge remote-tracking branch 'origin/main' into main 
Bring icache and MMU code together

Conflicts:
	wally-pipelined/src/ifu/ifu.sv
	wally-pipelined/testbench/testbench-imperas.sv
 2021-03-30 22:24:47 -04:00
Thomas Fleming
7126ab7864 Complete basic page table walker 2021-03-30 22:19:27 -04:00
ushakya22
6b9ae41302 Merge branch 'main' of https://github.com/davidharrishmc/riscv-wally into main 2021-03-30 15:25:07 -04:00
Teo Ene
385ce9a8f9 Added BPTYPE to coremark_bare config 2021-03-24 16:38:29 -05:00
Ross Thompson
6a050219d4 updated the branch predictor config. 2021-03-23 13:54:59 -05:00
Ross Thompson
2b0f7cdd42 Temporary exe2memfile0.pl script to support starting addresses of 0. 2021-03-23 13:54:59 -05:00
Ross Thompson
e1842c8da6 Broken commit. Trying to get exe2memfile.pl to work correctly with non 0x8000_0000 starting addresses. 2021-03-23 13:54:59 -05:00
Noah Boorstin
77dd0b4504 busybear: allow overwriting read values 2021-03-22 17:28:44 -04:00
bbracker
11d4a8ab34 first pass at PLIC interface 2021-03-22 10:14:21 -04:00
Shreya Sanghai
bbe0957df5 Merge branch 'gshare' into main 
Conflicts:
	wally-pipelined/regression/wave.do
 2021-03-18 17:25:48 -04:00
Ross Thompson
1091dd10c1 Switched to gshare from global history. 
Fixed a few minor bugs.
 2021-03-18 16:05:59 -05:00
Noah Boorstin
bc1a0c6ee7 change ifndef to generate/if 2021-03-18 12:50:19 -04:00
Noah Boorstin
a2b0af460e everyone gets a bootram 2021-03-18 12:35:37 -04:00
Noah Boorstin
ced2a32d21 busybear: update memory map, add GPIO 2021-03-18 12:17:35 -04:00
Teo Ene
d72d774a0b addition to last commit 2021-03-17 14:52:31 -05:00
Elizabeth Hedenberg
d0ddb5f461 replicating coremark changes into coremark bare 2021-03-17 14:36:34 -04:00
Elizabeth Hedenberg
da758e9e14 Merge branch '3_3_2021' into main 
Making sure coremark works with spring break changes
 2021-03-17 14:11:37 -04:00
Noah Boorstin
e7fae21eb8 busybear: add COUNTERS define 2021-03-16 21:08:47 -04:00
Shreya Sanghai
36f0631203 added gshare and global history predictor 2021-03-16 17:03:01 -04:00
Shreya Sanghai
9eed875886 added global history branch predictor 2021-03-16 16:06:40 -04:00
Shreya Sanghai
74f1641c5a Merge branch 'counters' into main 
added a configurable number of performance counters
 2021-03-16 11:01:30 -04:00
Ross Thompson
4c8952de6a Converted branch predictor preloads to use system verilog rather than modelsim's load command. 2021-03-15 12:39:44 -05:00
Thomas Fleming
1294235837 Merge branch 'main' of github.com:davidharrishmc/riscv-wally into main 
Conflicts:
	wally-pipelined/src/ebu/ahblite.sv
 2021-03-11 00:15:58 -05:00
David Harris
17c0f9629a WALLY-LRSC atomic test passing 2021-03-09 09:28:25 -05:00
Ross Thompson
87ed6d510c Merge branch 'main' of https://github.com/davidharrishmc/riscv-wally into main 2021-03-05 15:27:22 -06:00
Ross Thompson
301166d062 Oups. I forgot to update other do files with the commands to preload the branch predictor memories. 2021-03-05 15:23:53 -06:00
Thomas Fleming
be6ee84d87 Merge branch 'main' of github.com:davidharrishmc/riscv-wally into main 2021-03-05 15:46:51 -05:00
Thomas Fleming
8c97143be6 Place tlb parameters into constant header file 2021-03-05 13:35:24 -05:00
Noah Boorstin
f48af209c4 busybear: make CSRs only weird for us 2021-03-05 00:46:32 +00:00
Shreya Sanghai
f0ec365117 added performance counters 2021-03-04 11:42:52 -05:00