Andrew Waterman
2e09253d26
Revive I$ parity option
...
Pipeline the parity check into the second stage, so that the data
RAM access + parity check do not become the critical path.
2017-04-05 21:46:55 -07:00
Andrew Waterman
43917dd59f
Get I$ s1_kill signal off the critical path
2017-04-05 21:46:55 -07:00
Andrew Waterman
744fb2e4b9
Cut imem.resp.ready critical path with a flow queue
...
This is only necessary for RVC, where the decode latency is much higher.
2017-04-05 21:46:55 -07:00
Andrew Waterman
3e72f9779f
Handle single-step with a pipeline stall, not a flush
...
The pipeline flush approach broke when I changed the pipeline stage
the flush happens from
2017-04-05 19:52:44 -07:00
Megan Wachs
c5b0b6fb85
debug: bump openOCD version to pick up read_mem fix. Use MemTest64 instead because it's more likely to fail than SimpleS0Test
2017-04-05 15:14:32 -07:00
Megan Wachs
2601740542
debug: fix some typos related to the ID->SEL mapping functions
2017-04-05 15:14:32 -07:00
Megan Wachs
b94f1f15b0
debug: redirect DMI NOPs to CONTROL register so things don't hang during reset
2017-04-05 15:14:32 -07:00
Megan Wachs
eef05cc1fc
debug: Enforce mapping between hartsel and hartid, use more reasonable defaults for DATA and PROGBUF sizes.
2017-04-05 15:14:32 -07:00
solomatnikov
127f121ef2
Preserve id_do_fence ( #651 )
2017-04-05 08:29:45 -07:00
Andrew Waterman
19f0ae64a0
Only set id_reg_fence when AMO/FENCE is actually executed
...
This is a performance bug, not a correctness bug. But randomly stalling
because of garbage bits coming out of the I$ should be avoided.
h/t @solomatnikov
2017-04-03 21:13:52 -07:00
Megan Wachs
629e9a2ef6
debug: Put DebugROM back inside the overall Debug Module ( #647 )
2017-04-03 16:36:53 -07:00
Megan Wachs
d2c1bdc2ce
Debug Controls ( #639 )
...
* debug: Bump OpenOCD version to one that drives resets and sets cmderr appropriately.
* debug: Export the dmactive and ndreset signals to the top level and drive reset as intended in the TestHarness.
2017-04-03 13:31:35 -07:00
Yunsup Lee
716533f77f
Merge pull request #643 from ucb-bar/update-pmp-encoding
...
bump riscv-tools
2017-03-31 20:52:49 -07:00
Yunsup Lee
983a561720
bump riscv-tools
2017-03-31 19:20:08 -07:00
Andrew Waterman
410e9cf736
I$ bugfix, to be reworked
2017-03-31 12:17:41 -07:00
Henry Cook
9f371abf3b
Merge pull request #638 from ucb-bar/riscv-tools-on-priv-1.10
...
Resturn riscv-tools to the priv 1.10 branch vs the pre-merge Debug v0…
2017-03-31 01:56:36 -07:00
Henry Cook
e92eaa7156
Merge branch 'master' into riscv-tools-on-priv-1.10
2017-03-30 22:31:29 -07:00
Henry Cook
e8f337e963
Merge pull request #636 from ucb-bar/name-rams
...
Name L1$ RAMs consistently
2017-03-30 22:30:12 -07:00
Megan Wachs
dec567ab0c
Resturn riscv-tools to the priv 1.10 branch vs the pre-merge Debug v013 version.
2017-03-30 20:22:54 -07:00
Henry Cook
b9550e8523
Merge branch 'master' into name-rams
2017-03-30 17:36:01 -07:00
Henry Cook
b6da81a66c
Merge pull request #624 from ucb-bar/debug_v013_pr
...
Debug v013 [WIP]
2017-03-30 17:35:26 -07:00
Andrew Waterman
a8a2ee711c
Give I$ RAMs consistent names
2017-03-30 15:50:54 -07:00
Andrew Waterman
2720095b8e
Give D$ RAMs consistent names
2017-03-30 15:49:14 -07:00
Andrew Waterman
70e7e90c02
Remove splitMetadata option from L1 caches
...
This is a property of the specific cache microarchitecture, not actually
an independently tunable knob.
2017-03-30 15:48:55 -07:00
Henry Cook
bcaee9834c
travis_wait 30
2017-03-30 13:22:33 -07:00
Megan Wachs
0828ebe911
debug_v013: bump fesvr to use autoexec feature for memory writes.
2017-03-30 11:46:28 -07:00
Megan Wachs
9de06f8c83
Merge remote-tracking branch 'origin/master' into debug_v013_pr
2017-03-30 08:01:11 -07:00
Schuyler Eldridge
c61714a465
Pass MODEL variable to emulator.cc
...
This enables hot-swapping of the top-level test harness by specifying
`MODEL=MyTestHarness` when building the emulator.
2017-03-30 02:08:01 -07:00
Andrew Waterman
fd39eadcd6
New PMP encoding
2017-03-30 00:36:23 -07:00
Wesley W. Terpstra
2f2b472098
rocket: split the interrupt controller into its own node
2017-03-30 00:36:23 -07:00
Wesley W. Terpstra
a2fc51d65e
soc: compatible with "simple-bus" => scanned for platform devices
2017-03-30 00:36:23 -07:00
Alex Solomatnikov
9f85b2e996
Do allow make to remove .vpd files on Ctrl-C
2017-03-30 00:36:23 -07:00
Andrew Waterman
3546c8d133
If any PMPs are supported, all CSRs exist
2017-03-30 00:36:23 -07:00
Andrew Waterman
8f73a58d90
Report access exception, not page fault, if page-table walk fails
2017-03-30 00:36:23 -07:00
Andrew Waterman
25232070ec
Don't redundantly set resp_ae in PTW
2017-03-30 00:36:23 -07:00
Andrew Waterman
80fb002962
Don't use Vec as lvalue
2017-03-30 00:36:23 -07:00
Henry Cook
d3bc99e253
get local interrupts out of the tile
2017-03-30 00:36:23 -07:00
solomatnikov
0b9fc94421
Assertion for back-to-back uncached and cached ops ( #631 )
2017-03-29 23:07:17 -07:00
Megan Wachs
a14b7b5794
debug_v013: bump riscv-tools for slightly more efficient FESVR
2017-03-29 21:42:36 -07:00
Megan Wachs
24509fc69f
debug_v013: Bump FESVR to pick up minor off-by-1 in error printing code.
2017-03-29 15:20:07 -07:00
Megan Wachs
d8033b20fc
Merge remote-tracking branch 'origin/master' into debug_v013_pr
2017-03-29 14:58:04 -07:00
Megan Wachs
f6e72a3ef6
debug: Bump riscv-tools to pick up FESVR to version that works with debug v013
2017-03-29 14:46:06 -07:00
Megan Wachs
375a039279
debug: Use proper write-1-to-clear ABSTRACTCS.cmderr behavior (because fesvr code is using correct spec)
2017-03-28 21:14:22 -07:00
Megan Wachs
ca9a5a1cf7
debug: Fixes in how the SimDTM was hooked up to FESVR
2017-03-28 21:13:45 -07:00
Megan Wachs
ff38ebdf5e
debug: Bump FESVR version to initial Debug v13. Doesn't work yet.
2017-03-28 21:12:57 -07:00
Andrew Waterman
8dfbf4532a
Use 1 MHz as default timebase ( #628 )
...
Defaulting to 0 prevents Linux from booting
2017-03-28 19:59:56 -07:00
Andrew Waterman
44fb3be7d0
Fix MMIO/cache refill concurrency bug in DCache
...
There's a structural hazard on s2_req, so disallow cache refill initiation
while any MMIO loads are in flight.
2017-03-28 17:16:29 -07:00
Andrew Waterman
db3ed12ce3
Fix regression in groundtest DummyPTW
...
Initialize all fields in PTWResp for determinism, which should
prevent this sort of problem in the future.
2017-03-28 00:56:14 -07:00
Andrew Waterman
4215f480ef
Write instruction to badaddr on illegal instruction traps
2017-03-28 00:56:14 -07:00
Megan Wachs
d6ab929c41
debug: Remove older version of JTAG interface as it is superseded by the one in jtag package.
2017-03-27 21:25:37 -07:00
