David Harris
12c8449275
Detect illegal compressed immediates, hints
2024-07-18 22:48:32 -07:00
David Harris
bd1658754f
Neatly formatted decompress.sv
2024-07-18 22:01:43 -07:00
David Harris
a4e84d6f15
Modified decompressor to look for illegal x0 values and hints
2024-07-18 21:38:17 -07:00
David Harris
1637f4f1e3
Check legal compressed nonzero destination registers, add c.nop decoding
2024-07-18 09:30:16 -07:00
David Harris
566583639d
Refactored decompression to use simpler default illegal instruction
2024-07-18 08:26:58 -07:00
Ross Thompson
24916d42e2
Refactored TLBMiss and TLBMissOrUpdateA(D) to simplify spill, ifu, lsu, and hptw.
2024-06-19 11:40:02 -07:00
Ross Thompson
4911642427
Removed *** and updated comments for bpred and align.
2024-06-19 10:31:44 -07:00
Ross Thompson
f0e5bbef0c
Removed remaining *** from IFU.
2024-06-19 09:52:40 -07:00
Ross Thompson
cc58bfdcf3
Removed more *** from the ifu.
2024-06-19 09:49:17 -07:00
Ross Thompson
ab1af0fabf
Merge branch 'main' of https://github.com/openhwgroup/cvw into main
2024-06-19 09:25:39 -07:00
David Harris
301ded05f8
Unused signal cleanup
2024-06-18 08:15:48 -07:00
David Harris
cb563e8018
Clean up unused signals
2024-06-18 08:07:14 -07:00
David Harris
c1fd7a9589
Removed unused signals
2024-06-18 07:28:52 -07:00
David Harris
8f09240e6c
Simplified outdated documentation pointers
2024-06-14 03:42:15 -07:00
Rose Thompson
0ca10e7ee2
Last of the branch predictor signal name updates.
2024-06-02 17:01:51 -05:00
Rose Thompson
04744032d8
Updated more signal names to match book.
2024-06-02 16:59:11 -05:00
Rose Thompson
b45b7ff7d6
Signal name changes to match book.
2024-06-02 16:32:25 -05:00
Rose Thompson
731e1fe08f
Updated spill logic to reflect changes in textbook.
2024-06-02 15:48:42 -05:00
Rose Thompson
84946919a4
Changed name CacheWriteData to WriteData.
2024-05-28 18:00:39 -05:00
Rose Thompson
273b41df99
Changed name of cache parameter NUMLINES to NUMSETS to better match book.
2024-05-28 17:55:43 -05:00
Jordan Carlin
1d8ffee20c
Certain Zcb instructions are dependent on other extensions, not the entire extension
2024-05-15 19:16:43 -07:00
Jordan Carlin
4a72922087
update config to derive MISA from macros
...
- Remove C_SUPPORTED and update decompress unit based on Zc* extensions
- Derive A_SUPPORTED from A subextensions
- Derive B_SUPPORTED from B subextensions
- Derive C_SUPPORTED from C subextensions
2024-05-14 06:49:18 -07:00
Rose Thompson
10b08f8039
Updated brach predictor names to more logical names and match textbook.
2024-05-10 08:51:12 -05:00
David Harris
c0afb44ed4
Tied dangling signals to 0 for some configs to make VCS lint happy
2024-04-28 22:50:36 -07:00
David Harris
3f195884e9
Defined bit sizes more precisely to help VCS lint and conform to coding style
2024-04-21 08:40:11 -07:00
David Harris
9ec4c752f1
Fixed bugs in Zcb compressed loads and stores
2024-04-20 13:16:31 -07:00
Kunlin Han
22b59138f0
Remove all #delay from non-testbench.
2024-03-16 11:20:32 -07:00
Kunlin Han
8c67a76912
Remove all #delay from non-testbench.
2024-03-13 10:31:40 -07:00
David Harris
b386331cc8
Changed '0 to 0 where possible per Chapter 4 style guidelines
2024-03-06 05:48:17 -08:00
Rose Thompson
bd06a5ff88
Rough draft removal of duplicate BPBTAWrongE logic.
2024-02-01 16:57:33 -06:00
David Harris
f37c7bb1f6
Incorporated RAM_LATENCY and BURST_EN as parameters rather than define in code. Still need to update testbench to use this
2024-01-30 06:27:18 -08:00
David Harris
45e2317636
Added Wally github address to header comments
2024-01-29 05:38:11 -08:00
Rose Thompson
dfe5ef4427
Added logic for the non-cache atomics.
2024-01-15 17:47:17 -06:00
Rose Thompson
82a786f185
Hmm. Verilator is complaining about the parameter width. I'm not sure why so I changed to 1 bit.
2024-01-15 17:36:01 -06:00
Jordan Carlin
092d10a3cd
correct c.sext.b encoding and remove unreachable code in 01100 case
2024-01-12 19:09:10 -08:00
Rose Thompson
a932bf6b66
Removed unnecessary spill for compressed aligned to end of cache line or uncached access.
2024-01-10 13:06:16 -06:00
Rose Thompson
588e1caeba
Found bugs in the no I$ implementation's abhinterface width. We were only testing XLEN=32. XLEN=64 did not properly align instructions not aligned to 8 byte boundaries.
2024-01-06 22:29:16 -06:00
David Harris
6181639003
Named IFU decomp generate block
2024-01-01 07:37:40 -08:00
Rose Thompson
6a787981c2
Restored cache store delay hazard.
2023-12-29 16:10:27 -06:00
Rose Thompson
f59fa5089d
Merge branch 'main' of https://github.com/openhwgroup/cvw
2023-12-29 15:13:18 -06:00
Rose Thompson
8030b7d100
Added partial code for uncached amo operations.
...
Minor fix for Makefile so coverage tests build.
2023-12-29 15:07:20 -06:00
Rose Thompson
482529394a
Fixed some of the uncached ifu bugs.
2023-12-29 09:53:22 -06:00
David Harris
e8df856fdb
Renamed CMOp to CMOpM in mmu and cache
2023-12-25 05:57:41 -08:00
David Harris
06ddccd983
Fixed typo in IFU
2023-12-20 20:22:17 -08:00
David Harris
8eace30f49
Moved UnalignedPCNextF mux into IFU
2023-12-20 16:18:31 -08:00
Rose Thompson
9f4c32d49c
Merge branch 'main' of github.com:ross144/cvw
2023-12-13 20:32:59 -06:00
David Harris
6c017141c5
Renamed HADE to ADUE for Svadu
2023-12-13 11:49:04 -08:00
Rose Thompson
3d0f9ce4f3
Cleaned up comments about pc reset.
2023-12-13 13:06:33 -06:00
Rose Thompson
c98c0dd3e0
Removed unnecessary pc reset logic from ifu and btb.
2023-12-13 13:05:10 -06:00
Rose Thompson
13bb5d845b
On the way to solving the store delay hazard.
2023-12-13 10:39:01 -06:00
