David Harris
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8ca7abaa02
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Added support for TVM flag in CSRS and to disabl TLB when MEM_VIRTMEM = 0
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2021-07-05 20:35:31 -04:00 |
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David Harris
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6b9cfe90d8
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Added ASID & Global PTE handling to TLB CAM
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2021-07-04 17:52:00 -04:00 |
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David Harris
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c897bef8cd
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Moved BOOTTIM to 0x1000-0x1FFF. Added logic to detect an access to undefined memory and assert HREADY so bus doesn't hang.
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2021-07-04 01:19:38 -04:00 |
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Ross Thompson
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549b7b2a62
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Merge branch 'main' into bigbadbranch
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2021-07-02 11:52:26 -05:00 |
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Ross Thompson
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17636b3293
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Regression test runs further. The LSU state machine which fakes the Dcache had a few bugs. MemAccessM needed to be squashed on bus faults.
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2021-06-25 11:05:17 -05:00 |
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Ross Thompson
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0377d3b2c9
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Progress.
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2021-06-24 13:05:22 -05:00 |
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bbracker
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83a1f29c37
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remove OVP_CSR_CONFIG because it is an alias of BUSYBEAR
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2021-06-20 22:38:25 -04:00 |
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David Harris
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72d8d34e3c
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allow all size memory access in CLINT; added underscore to peripheral address symbols
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2021-06-18 08:05:50 -04:00 |
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David Harris
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91a13999a9
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Added SUPPORTED to each peripheral in each config file
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2021-06-17 21:36:32 -04:00 |
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bbracker
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f0266f621b
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merge
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2021-06-10 10:03:01 -04:00 |
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bbracker
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31e1c926f2
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attempt to fix regression by adding PMP_ENTRIES to configs
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2021-06-10 09:59:26 -04:00 |
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David Harris
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e231fc6b00
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More verilator fixes, but bpred is broken
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2021-06-09 21:03:03 -04:00 |
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Kip Macsai-Goren
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fcb9b1f0e1
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working version with new mmu comments, old boottim values
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2021-06-08 15:20:25 -04:00 |
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David Harris
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cfe5c27946
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Resized BOOT TIM to 1 KB
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2021-06-08 14:04:32 -04:00 |
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David Harris
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b37bcc8e38
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Continued merge
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2021-06-07 12:49:47 -04:00 |
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David Harris
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1e67db2f0c
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Second attept to commit refactoring config files
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2021-06-07 12:37:46 -04:00 |
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David Harris
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95cc70295b
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Merge difficulties
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2021-06-07 09:50:23 -04:00 |
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David Harris
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8bbabb683d
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Refactored configuration files and renamed testbench-busybear to testbench-linux
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2021-06-07 09:46:52 -04:00 |
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Kip Macsai-Goren
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b99b5f8e0e
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moved privilege dfinitions into wally-constants, upgraded relevant includes
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2021-06-04 17:55:07 -04:00 |
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David Harris
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b836679ae1
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Started MMU
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2021-06-04 11:59:14 -04:00 |
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David Harris
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a61411995a
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moved shared constants to a shared directory
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2021-06-03 22:41:30 -04:00 |
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Kip Macsai-Goren
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06cf3a8403
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Edited and added constants to support SV48
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2021-06-01 17:49:45 -04:00 |
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Ross Thompson
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14a69c1d06
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Added the ability to exclude branch predictor.
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2021-04-26 14:27:42 -05:00 |
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Ross Thompson
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44d28dbd1c
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Icache integrated!
Merge branch 'icache-almost-working' into main
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2021-04-26 11:48:58 -05:00 |
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Ross Thompson
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9e40fb072c
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Merge branch 'tests' into icache-almost-working
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2021-04-25 21:25:36 -05:00 |
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bbracker
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5687ab1c96
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do script refactor
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2021-04-24 09:32:09 -04:00 |
|
Noah Boorstin
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c7a09d2359
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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
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2021-04-19 03:26:08 -04:00 |
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Noah Boorstin
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5902637632
|
buildroot: sim is now running!
yes it only gets through 5 instructions right now. Yes that's my fault.
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2021-04-17 14:44:32 -04:00 |
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Noah Boorstin
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541fb22dc9
|
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'
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2021-04-16 23:27:29 -04:00 |
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Domenico Ottolia
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a149f2f3d8
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Add support for vectored interrupts
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2021-04-15 19:13:42 -04:00 |
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Thomas Fleming
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e807f5d771
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Implement support for superpages
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2021-04-08 02:44:59 -04:00 |
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bbracker
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ce7b2314ef
|
Yee hoo first draft of PLIC plus self-checking tests
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2021-04-04 06:40:53 -04:00 |
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Ross Thompson
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e6aef66853
|
Broken commit. Trying to get exe2memfile.pl to work correctly with non 0x8000_0000 starting addresses.
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2021-03-23 13:54:59 -05:00 |
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Noah Boorstin
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4be19421c4
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busybear: allow overwriting read values
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2021-03-22 17:28:44 -04:00 |
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bbracker
|
eea7e2e47e
|
first pass at PLIC interface
|
2021-03-22 10:14:21 -04:00 |
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Shreya Sanghai
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dfc86539cc
|
Merge branch 'gshare' into main
Conflicts:
wally-pipelined/regression/wave.do
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2021-03-18 17:25:48 -04:00 |
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Ross Thompson
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9386e6a524
|
Switched to gshare from global history.
Fixed a few minor bugs.
|
2021-03-18 16:05:59 -05:00 |
|
Noah Boorstin
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847bf0b9a6
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change ifndef to generate/if
|
2021-03-18 12:50:19 -04:00 |
|
Noah Boorstin
|
a226e24ed3
|
busybear: update memory map, add GPIO
|
2021-03-18 12:17:35 -04:00 |
|
Noah Boorstin
|
162955de69
|
busybear: add COUNTERS define
|
2021-03-16 21:08:47 -04:00 |
|
Shreya Sanghai
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d9b1e7d67f
|
added gshare and global history predictor
|
2021-03-16 17:03:01 -04:00 |
|
Shreya Sanghai
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a79e26f9d8
|
added global history branch predictor
|
2021-03-16 16:06:40 -04:00 |
|
Ross Thompson
|
8e51935082
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Converted branch predictor preloads to use system verilog rather than modelsim's load command.
|
2021-03-15 12:39:44 -05:00 |
|
Thomas Fleming
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e57b6cf18c
|
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 |
|
Ross Thompson
|
d6bc34121f
|
Merge branch 'main' of https://github.com/davidharrishmc/riscv-wally into main
|
2021-03-05 15:27:22 -06:00 |
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Ross Thompson
|
9a93193d6a
|
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 |
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Thomas Fleming
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ca2a65770c
|
Merge branch 'main' of github.com:davidharrishmc/riscv-wally into main
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2021-03-05 15:46:51 -05:00 |
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Thomas Fleming
|
85dcbee86b
|
Place tlb parameters into constant header file
|
2021-03-05 13:35:24 -05:00 |
|
Noah Boorstin
|
0af002eb2f
|
busybear: make CSRs only weird for us
|
2021-03-05 00:46:32 +00:00 |
|
Noah Boorstin
|
f11b3108d8
|
busybear: fix bootram range
|
2021-03-01 17:45:21 +00:00 |
|