riscv/rocket-chip
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Author SHA1 Message Date
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
Megan Wachs
cbc8d2400a debug: remove old Verilog DebugTransportModuleJtag file as it has been replaced by Chisel version 2017-03-27 21:24:44 -07:00
Megan Wachs
bb64c92906 csr: Bring functionality in line with v13 spec. ebreak does not cause exception in Debug Mode, it just starts at Debug ROM again. 2017-03-27 21:21:48 -07:00