David Harris
|
622a14cbdd
|
Removed more unused signals from ahblite
|
2021-07-17 02:21:54 -04:00 |
|
Kip Macsai-Goren
|
3d14d573a0
|
included virtual memory tests in testbench
|
2021-07-16 17:57:24 -04:00 |
|
Ross Thompson
|
965f34d78f
|
Added guide for Ben to do linux conversion.
|
2021-07-16 15:04:30 -05:00 |
|
Ross Thompson
|
abce241f68
|
Also changed the shadow ram's dcache copy widths.
Merge branch 'dcache' into main
|
2021-07-16 14:21:09 -05:00 |
|
Ross Thompson
|
96aa106852
|
Found bug in the PMA such that invalid addresses were sent to the tim. Once addressing this issue the sv48 test fails early with a pma access fault.
|
2021-07-15 11:56:35 -05:00 |
|
Ross Thompson
|
4549a9f1c9
|
Merge branch 'main' into dcache
|
2021-07-15 11:55:20 -05:00 |
|
Ross Thompson
|
c39a228266
|
Fixed how the dcache and page table walker stall cpu so that once a tlb miss occurs the CPU is always stalled until the walk is complete, the tlb updated, and the dcache fetched and hits.
|
2021-07-15 11:00:42 -05:00 |
|
Ross Thompson
|
f234875779
|
dcache STATE_CPU_BUSY needs to assert CommittedM. This is required to ensure a completed memory operation is not bound to an interrupt. ie. MEPC should not be PCM when committed.
|
2021-07-14 23:08:07 -05:00 |
|
Ross Thompson
|
6163629204
|
Finally have the ptw correctly walking through the dcache to update the itlb.
Still not working fully.
|
2021-07-14 22:26:07 -05:00 |
|
Katherine Parry
|
701ea38964
|
Fixed lint warning
|
2021-07-14 21:24:48 -04:00 |
|
Ross Thompson
|
d3a1a2c90a
|
Fixed d cache not honoring StallW for uncache writes and reads.
|
2021-07-14 17:23:28 -05:00 |
|
Ross Thompson
|
771c7ff130
|
Routed CommittedM and PendingInterruptM through the lsu arb.
|
2021-07-14 16:18:09 -05:00 |
|
Ross Thompson
|
278bbfbe3c
|
Partially working changes to support uncached memory access. Not sure what CommitedM is.
|
2021-07-13 17:24:59 -05:00 |
|
Katherine Parry
|
acdd2e4504
|
Fixed writting MStatus FS bits
|
2021-07-13 13:20:30 -04:00 |
|
Ross Thompson
|
d3ffbe0e5d
|
Modularized the shadow memory to reduce performance hit.
|
2021-07-13 10:55:57 -05:00 |
|
Ross Thompson
|
17dc488010
|
Got the shadow ram cache flush working.
|
2021-07-13 10:03:47 -05:00 |
|
Ross Thompson
|
9fe6190763
|
Team work on solving the dcache data inconsistency problem.
|
2021-07-12 23:46:32 -05:00 |
|
Ross Thompson
|
6b42b93886
|
Now updates the dtim with the dirty data in the dcache.
Simulation is showing issues. It lookslike the cache is not
evicting the correct data.
|
2021-07-12 15:13:27 -05:00 |
|
Ross Thompson
|
8ca8b9075d
|
Progress towards the test bench flush.
|
2021-07-12 14:22:13 -05:00 |
|
Katherine Parry
|
0cc07fda1b
|
Almost all convert instructions pass Imperas tests
|
2021-07-11 18:06:33 -04:00 |
|
bbracker
|
0e708a72f3
|
more completely uncomment MMU tests to make sim wally work
|
2021-07-06 14:33:52 -04:00 |
|
Kip Macsai-Goren
|
770420b448
|
added new mmu tests to makefrag and commented out in the testbench
|
2021-07-05 10:54:30 -04:00 |
|
David Harris
|
e65fb5bb35
|
Added F_SUPPORTED flag to disable floating point unit when not in MISA
|
2021-07-05 10:30:46 -04:00 |
|
David Harris
|
c897bef8cd
|
Moved BOOTTIM to 0x1000-0x1FFF. Added logic to detect an access to undefined memory and assert HREADY so bus doesn't hang.
|
2021-07-04 01:19:38 -04:00 |
|
Ben Bracker
|
9709bd78e1
|
stop busybear from hanging
|
2021-07-02 17:22:09 -05:00 |
|
bbracker
|
9927f771cc
|
linux testbench now ignores HWRITE glitches caused by flush glitches
|
2021-06-25 09:28:52 -04:00 |
|
bbracker
|
2694a7a43f
|
made testbench-linux's PCDwrong be FlushD
|
2021-06-25 08:15:19 -04:00 |
|
Katherine Parry
|
bc8d660bc5
|
FPU forwarding reworked pt.1
|
2021-06-24 18:39:18 -04:00 |
|
bbracker
|
55cf205222
|
Merge branch 'main' of https://github.com/davidharrishmc/riscv-wally into main
|
2021-06-24 01:42:41 -04:00 |
|
bbracker
|
b84419ff4e
|
overhauled linux testbench and spoofed MTTIME interrupt
|
2021-06-24 01:42:35 -04:00 |
|
Katherine Parry
|
44af47608c
|
fpu clean-up
|
2021-06-23 16:42:40 -04:00 |
|
Katherine Parry
|
9eb6eb40bf
|
rv64f FLW passes imperas tests
|
2021-06-22 16:36:16 -04:00 |
|
David Harris
|
82515862e3
|
Commented out 100k tests to improve speed
|
2021-06-21 01:43:18 -04:00 |
|
David Harris
|
aef408af58
|
Reversed [0:...] with [...:0] in bus widths across the project
|
2021-06-21 01:17:08 -04:00 |
|
bbracker
|
5afad80432
|
Merge branch 'main' of https://github.com/davidharrishmc/riscv-wally into main
|
2021-06-20 22:29:40 -04:00 |
|
bbracker
|
665a67f442
|
linux actually uses FPU now!
|
2021-06-20 22:29:21 -04:00 |
|
Katherine Parry
|
26bad083ad
|
all rv64f instructions except convert, divide, square root, and FLD pass
|
2021-06-20 20:24:09 -04:00 |
|
bbracker
|
1f2a967e0f
|
read from MSTATUS workaround because QEMU has incorrect MSTATUS
|
2021-06-20 10:11:39 -04:00 |
|
bbracker
|
2611d214a6
|
testbench update b/c QEMU extends 32b CSRs to 64b
|
2021-06-20 09:24:19 -04:00 |
|
bbracker
|
9469367da3
|
make buildroot ignore SSTATUS because QEMU did not originally log it
|
2021-06-20 05:31:24 -04:00 |
|
bbracker
|
78f4703dc9
|
MSTATUS workaround
|
2021-06-20 04:48:09 -04:00 |
|
bbracker
|
927d99cf3b
|
workaround for ignoring MTIME
|
2021-06-20 02:26:39 -04:00 |
|
bbracker
|
3e32ba3684
|
make buildroot waves only turn on after a user-specified point
|
2021-06-20 00:39:30 -04:00 |
|
bbracker
|
f84a689c19
|
fixed PCtext error by using blocking assignments
|
2021-06-18 17:37:40 -04:00 |
|
bbracker
|
958f60c704
|
restore graphical buildroot sim
|
2021-06-18 11:58:16 -04:00 |
|
bbracker
|
8ae333a6b2
|
remove unused testbench-busybear.sv
|
2021-06-18 08:15:19 -04:00 |
|
David Harris
|
72d8d34e3c
|
allow all size memory access in CLINT; added underscore to peripheral address symbols
|
2021-06-18 08:05:50 -04:00 |
|
David Harris
|
e03912f64c
|
Cleaned up name of MTIME register in CSRC
|
2021-06-18 07:53:49 -04:00 |
|
bbracker
|
832e4fc7e3
|
making linux waveforms more useful
|
2021-06-17 08:37:37 -04:00 |
|
bbracker
|
e93e528aa1
|
changed parsedCSRs2] to parsedCSRs
|
2021-06-17 05:18:14 -04:00 |
|