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
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* 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
06af239e6c
FMV.D.X imperas test passes
2021-05-20 22:17:59 -04:00
Katherine Parry
9464c9022d
floating point infinite loop removed from imperas tests
2021-05-18 10:42:51 -04:00
Thomas Fleming
e27bc1cbf7
Clean up MMU code
2021-05-14 07:12:32 -04:00
Thomas Fleming
19ac77d3fa
Fix compiler warning in PMP checker
2021-05-04 15:18:08 -04:00
Thomas Fleming
3a3c88f5b1
Fix bug in PMP checker
...
Now we only enforce PMP regions if at least one is non-null
2021-05-04 03:14:07 -04:00
Thomas Fleming
c9e5af30fa
Disable PMP checker to fix test loops
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There is a bug in the PMP checker where S or U mode attempts to make a
memory access while no PMP registers are set. We currently treat this as
a failure, when this should instead be allowed.
2021-05-04 01:56:05 -04:00
Thomas Fleming
ad40464557
Merge branch 'main' of github.com:davidharrishmc/riscv-wally into main
2021-05-03 23:15:39 -04:00
Domenico Ottolia
c0f054556c
Fix bug with IllegalInstrFaultM not getting correct value
2021-05-03 22:48:03 -04:00
Thomas Fleming
0254ca7bf6
Adjust attributes in PMA checker
2021-05-03 21:58:32 -04:00
Domenico Ottolia
5ab86a690b
Fix bug that caused stvec to get the wrong value
2021-05-03 17:54:57 -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
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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
Domenico Ottolia
d03ca20dc9
Make vectored interrupt trap handling work, and add tests for mtvec with vectored interrupts
2021-04-29 20:42:14 -04:00
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!
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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
da76b80991
Write PCM to TVAL registers
2021-04-22 16:17:57 -04:00
Thomas Fleming
8fee3b3872
Merge branch 'main' of github.com:davidharrishmc/riscv-wally into main
2021-04-22 15:37:19 -04:00
Domenico Ottolia
6b4d2e9634
Fix misa synthesis bug (for real now)
2021-04-22 15:35:20 -04:00
Thomas Fleming
38236e9172
Implement first pass at the PMA checker
2021-04-22 15:34:02 -04:00
Domenico Ottolia
fb8f244dab
Fix misa bug
2021-04-22 00:59:07 -04:00
Thomas Fleming
4bae666fa1
Implement virtual memory protection
2021-04-21 19:58:36 -04:00
Domenico Ottolia
bf86a809eb
Add tests for sepc register
2021-04-20 23:50:53 -04:00
Domenico Ottolia
0c307d2db1
Fix synthesis warnings for privileged unit (replace 'initial' settings)
2021-04-20 17:57:56 -04:00
Domenico Ottolia
9f13ee3f31
Add tests for scause and ucause
2021-04-15 19:41:25 -04:00
Domenico Ottolia
92bb38fa8c
Add support for vectored interrupts
2021-04-15 19:13:42 -04:00
bbracker
51cdff3e9b
csri lint improvement
2021-04-15 09:05:53 -04:00
bbracker
8f7ddcfdff
rv64 interrupt servicing
2021-04-14 10:19:42 -04:00
Thomas Fleming
09c9c49541
Merge branch 'main' of github.com:davidharrishmc/riscv-wally into main
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Conflicts:
wally-pipelined/src/ebu/pagetablewalker.sv
2021-04-13 13:42:03 -04:00
Thomas Fleming
6188f10732
Move InstrPageFault to fetch stage
2021-04-13 13:39:22 -04:00
Teo Ene
1018a10625
Various code syntax changes to bring HDL to a synthesizable level
2021-04-13 11:27:12 -05:00
Domenico Ottolia
65abe13f4f
Cause an Illegal Instruction Exception when attempting to write readonly CSRs
2021-04-08 05:12:54 -04:00
Ross Thompson
c91436d3b7
Merge branch 'icache_bp_bug' into tests
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Not sure this merge is right.
2021-04-06 21:46:40 -05:00
Thomas Fleming
fdb20ee1cf
Implement sfence.vma and fix tlb writing
2021-04-01 15:55:05 -04:00