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a365e86197
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69 Commits

Author SHA1 Message Date
kwan
a365e86197 priviledge .* fixed, passed local regression 2021-12-13 00:22:01 -08:00
kwan
a95efea0b3 Priviledged .* removed 2021-12-12 09:55:45 -08:00
kwan
82bab8e90e Privilige .*s removed 2021-12-12 09:54:14 -08:00
David Harris
8e516e6391 Lint cleanup from wallypipeliendhart 2021-10-23 10:29:52 -07:00
Ross Thompson
0cc47f3daf Modified the preformance counter's InstRet to include ECALL and EBREAK by changing the hazard logic so these instructions don't self flush the W stage. 2021-08-23 15:46:17 -05:00
Kip Macsai-Goren
c69a5dc8a6 fixed issue with tlbflush remaining high during a stalled sfence instruction 2021-07-21 17:43:36 -04:00
Ross Thompson
365485bd8b Added performance counters for dcache access and dcache miss. 2021-07-19 22:12:20 -05:00
David Harris
2f81e4c70d hptw: Removed NonBusTrapM from LSU 2021-07-17 15:22:24 -04:00
Ross Thompson
fa26aec588 Merge branch 'main' into dcache 2021-07-15 11:55:20 -05:00
Ross Thompson
f4295ff097 Separated interruptM into PendingInterruptM and InterruptM. The d cache now takes in both exceptions and PendingInterrupts. 
This solves the committedM issue.
 2021-07-14 15:00:33 -05:00
Katherine Parry
ca19b2e215 Fixed writting MStatus FS bits 2021-07-13 13:22:04 -04:00
Katherine Parry
efdec72df1 Fixed writting MStatus FS bits 2021-07-13 13:20:30 -04:00
David Harris
b5dddec858 Fixed InstrValid from W to M stage for CSR performance counters 2021-07-13 13:19:13 -04:00
Ross Thompson
3345ed7ff4 Merged several of the load/store/instruction access faults inside the mmu. 
Still need to figure out what is wrong with the generation of load page fault when dtlb hit.
 2021-07-06 13:43:53 -05:00
David Harris
f805aea236 Implemented TSR, TW, TVM, MXR status bits 2021-07-06 01:32:05 -04:00
David Harris
7e22ae973e Fixed MPRV and MXR checks in TLB 2021-07-04 13:20:29 -04:00
David Harris
67e191c6f3 Added support for PMP lock bits in csrm and repartitioned design to pass around 8-bit PMPCFG entries 2021-07-04 11:39:59 -04:00
David Harris
c85e0df1ff Optimized PMP checker logic and added support for configurable number of PMP registers 2021-07-02 11:04:13 -04:00
bbracker
2155a4e485 Revert "fixed forwarding" 
This reverts commit 86e369df52.
 2021-06-24 17:39:37 -04:00
bbracker
86e369df52 fixed forwarding 2021-06-24 11:20:21 -04:00
David Harris
1ec90a5e1f Reversed [0:...] with [...:0] in bus widths across the project 2021-06-21 01:17:08 -04:00
David Harris
336936cc39 Cleaned up name of MTIME register in CSRC 2021-06-18 07:53:49 -04:00
bbracker
5a661a7392 provide time and timeh CSRs based on CLINT's counter 2021-06-17 08:38:30 -04:00
bbracker
7b98e7aa2f mcause test fixes and s-mode interrupt bugfix 2021-06-16 17:37:08 -04:00
David Harris
49b5fa3994 Reverted MIDELEG and MEDELEG to XLEN so busybear passes 2021-06-10 23:47:32 -04:00
David Harris
01d6ca1e2a Fixed lint WIDTH errors 2021-06-09 20:58:20 -04:00
David Harris
90e5781471 Start to parameterize number of PMP Entries 2021-06-08 15:29:22 -04:00
bbracker
cc91c774a6 Ah big ole merge! Passes sim-wally-batch and linting, so should be fine 2021-06-08 12:41:25 -04:00
bbracker
e7e4105931 * GPIO comprehensive testing 
* MEPC more aware if M stage has actually committed
* UART interrupt testing progress
* UART added read IIR side effect of lowering THRE intr
 2021-06-08 12:32:46 -04:00
David Harris
ff62000e2c Second attept to commit refactoring config files 2021-06-07 12:37:46 -04:00
Kip Macsai-Goren
49200bd922 Cleaned up some unused signals 2021-06-04 21:04:19 -04:00
Kip Macsai-Goren
22e8e06ac7 moved privilege dfinitions into wally-constants, upgraded relevant includes 2021-06-04 17:55:07 -04:00
Kip Macsai-Goren
1ae529c450 restructured so that pma/pmp are a part of mmu 2021-06-04 17:05:07 -04:00
David Harris
a26bf37be8 Started MMU 2021-06-04 11:59:14 -04:00
bbracker
2c77a13c08 fixed InstrValid signals and implemented less costly MEPC loading 2021-06-02 10:03:19 -04:00
bbracker
39ae743543 turns out I should not have tried renaming FStallD to FPUStallD because that name was already used! All the same it does feel weird to have two such signals floating around \(ah pun!\) 2021-05-28 23:11:37 -04:00
Katherine Parry
9464c9022d floating point infinite loop removed from imperas tests 2021-05-18 10:42:51 -04:00
Thomas Fleming
eda5a267ee Implement PMP checker and revise PMA checker 2021-05-03 17:37:42 -04:00
Thomas Fleming
cfe64e7c24 Merge branch 'main' of github.com:davidharrishmc/riscv-wally into main 
Conflicts:
	wally-pipelined/src/ebu/ahblite.sv
 2021-05-03 14:02:19 -04:00
Katherine Parry
db95151d8d fpu imperas tests run 2021-05-01 02:18:01 +00:00
Thomas Fleming
6e5fc107d9 Merge branch 'main' of github.com:davidharrishmc/riscv-wally into main 2021-04-29 16:30:00 -04:00
ushakya22
9dfbfd5772 fix to pcm bug 2021-04-29 15:21:08 -04:00
Thomas Fleming
5f2bccd88f Clean up PMA checker and begin PMP checker 2021-04-29 02:20:39 -04:00
Ross Thompson
8e5409af66 Icache integrated! 
Merge branch 'icache-almost-working' into main
 2021-04-26 11:48:58 -05:00
bbracker
ba94fa3436 it says I need to merge in order to pull 2021-04-26 07:46:24 -04:00
bbracker
1cc0dcc83f progress on bus and lrsc 2021-04-26 07:43:16 -04:00
Ross Thompson
6e803b724e Merge branch 'tests' into icache-almost-working 2021-04-25 21:25:36 -05:00
Thomas Fleming
288a6d82ce Fix HSIZE and HBURST signal widths in PMA checker 2021-04-23 20:11:43 -04:00
Thomas Fleming
38236e9172 Implement first pass at the PMA checker 2021-04-22 15:34:02 -04:00
Thomas Fleming
4bae666fa1 Implement virtual memory protection 2021-04-21 19:58:36 -04:00