Commit Graph

85 Commits

Author SHA1 Message Date
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
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
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
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!
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
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
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