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63 Commits

Author SHA1 Message Date
Shreya Sanghai
4424006624 added DESIGN_COMPLIER to forgotten config files 2021-10-12 10:14:04 -07:00
David Harris
2ae51d1852 Parameterized number of bits per cycle for integer division 2021-10-03 01:10:15 -04:00
David Harris
9ae25b0cea Added Zfencei support in instruction decoder and configurations. Also added riscv-arch-test 32-bit tests to regression. 2021-09-15 13:14:00 -04:00
Ross Thompson
c749d08542 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
e1a1a8395e Parameterized I$/D$ configurations and added sanity check assertions in testbench 2021-07-20 08:57:13 -04:00
David Harris
4d40b5faef Added cache configuration to config files 2021-07-19 18:19:46 -04:00
David Harris
6bac566bb7 Added support for TVM flag in CSRS and to disabl TLB when MEM_VIRTMEM = 0 2021-07-05 20:35:31 -04:00
David Harris
80666f0a71 Added ASID & Global PTE handling to TLB CAM 2021-07-04 17:52:00 -04:00
David Harris
9645b023c9 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
Ross Thompson
dbd33465e1 Merge branch 'main' into bigbadbranch 2021-07-02 11:52:26 -05:00
Ross Thompson
d6c19e73f4 Regression test runs further. The LSU state machine which fakes the Dcache had a few bugs. MemAccessM needed to be squashed on bus faults. 2021-06-25 11:05:17 -05:00
Ross Thompson
aeeaf6d919 Progress. 2021-06-24 13:05:22 -05:00
bbracker
23f479d225 remove OVP_CSR_CONFIG because it is an alias of BUSYBEAR 2021-06-20 22:38:25 -04:00
David Harris
35c74348a4 allow all size memory access in CLINT; added underscore to peripheral address symbols 2021-06-18 08:05:50 -04:00
David Harris
679e507cc6 Added SUPPORTED to each peripheral in each config file 2021-06-17 21:36:32 -04:00
bbracker
d4aeb1c387 merge 2021-06-10 10:03:01 -04:00
bbracker
0321d74562 attempt to fix regression by adding PMP_ENTRIES to configs 2021-06-10 09:59:26 -04:00
David Harris
0ffbd03139 More verilator fixes, but bpred is broken 2021-06-09 21:03:03 -04:00
Kip Macsai-Goren
a95a7a7b82 working version with new mmu comments, old boottim values 2021-06-08 15:20:25 -04:00
David Harris
b613f46c2d Resized BOOT TIM to 1 KB 2021-06-08 14:04:32 -04:00
David Harris
2ae5ca19b5 Continued merge 2021-06-07 12:49:47 -04:00
David Harris
ff62000e2c Second attept to commit refactoring config files 2021-06-07 12:37:46 -04:00
David Harris
dc0b19dfaa Merge difficulties 2021-06-07 09:50:23 -04:00
David Harris
d5ec797ba4 Refactored configuration files and renamed testbench-busybear to testbench-linux 2021-06-07 09:46:52 -04:00
Kip Macsai-Goren
22e8e06ac7 moved privilege dfinitions into wally-constants, upgraded relevant includes 2021-06-04 17:55:07 -04:00
David Harris
a26bf37be8 Started MMU 2021-06-04 11:59:14 -04:00
David Harris
0674f5506e moved shared constants to a shared directory 2021-06-03 22:41:30 -04:00
Kip Macsai-Goren
40cfa86935 Edited and added constants to support SV48 2021-06-01 17:49:45 -04:00
Ross Thompson
72363f5c66 Added the ability to exclude branch predictor. 2021-04-26 14:27:42 -05:00
Ross Thompson
8e5409af66 Icache integrated! 
Merge branch 'icache-almost-working' into main
 2021-04-26 11:48:58 -05:00
Ross Thompson
6e803b724e Merge branch 'tests' into icache-almost-working 2021-04-25 21:25:36 -05:00
bbracker
a3487a9e47 do script refactor 2021-04-24 09:32:09 -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
Domenico Ottolia
92bb38fa8c Add support for vectored interrupts 2021-04-15 19:13:42 -04:00
Thomas Fleming
303c2c4839 Implement support for superpages 2021-04-08 02:44:59 -04:00
bbracker
31c6b2d01f Yee hoo first draft of PLIC plus self-checking tests 2021-04-04 06:40:53 -04:00
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
ced2a32d21 busybear: update memory map, add GPIO 2021-03-18 12:17:35 -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
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