Wesley W. Terpstra
d2da33e4b1
Fuzzer: use different LFSR seeds based on simulator seed
2017-03-11 02:53:43 -08:00
Wesley W. Terpstra
bb6108abd5
Tests: include more random delays
2017-03-11 02:53:43 -08:00
Wesley W. Terpstra
0c7fb87390
TLDelayer: insert noise on invalid cycles
2017-03-11 02:53:43 -08:00
Jacob Chang
1c6dde8c15
Make parameters for TLToAHB and TLToAXI4 accessable ( #581 )
2017-03-10 22:26:38 -08:00
Wesley W. Terpstra
43dea38ee9
dcache: we need the bits within the beat so select the right word ( #575 )
...
We now have confirmation that it fixed the problem.
2017-03-08 00:19:09 -08:00
Andrew Waterman
603b8af2eb
Don't canonicalize 32-bit FP results in the various pipelines
...
It's redundant with the new scheme, so just adds HW for no reason.
2017-03-07 20:51:32 -08:00
Andrew Waterman
f505aba1ac
Use sNaN value for flw, like other single-precision ops
2017-03-07 20:51:32 -08:00
Andrew Waterman
cc389bea90
Fix in-register representation of fdiv.s/fsqrt.s result
...
We were zero-extending it, which is a double-precision zero in the recoded
format. So, when spilled and reloaded with fsd/fld, the original value
was destroyed. Instead, set the MSBs so that it represents sNaN. When
spilled, the single-precision number will be preserved as the NaN payload.
2017-03-07 20:51:32 -08:00
Henry Cook
d0ae087587
rocket: allow scratchpad address to be configurable ( #570 )
2017-03-06 21:35:45 -08:00
Henry Cook
229fb2251d
coreplex: hack to fix tile dedup ( #569 )
2017-03-06 16:36:03 -08:00
Wesley W. Terpstra
676974281a
rocket: describe dcache scratchpad as memory
2017-03-03 02:54:48 -08:00
Wesley W. Terpstra
1eeaa390c6
diplomacy: output JSON formatted version of DTS
2017-03-03 02:45:11 -08:00
Wesley W. Terpstra
0178248551
diplomacy: evaluate ResourceBindings only once
2017-03-03 02:04:17 -08:00
Wesley W. Terpstra
8e4f348dda
rocket: if no MMU, don't print it in DTS
2017-03-03 00:48:26 -08:00
Wesley W. Terpstra
7660be039c
rocketchip: add WithTimebase to set RTC frequency
2017-03-03 00:47:50 -08:00
Wesley W. Terpstra
57a329408c
PeripheryExtInterrupts: elide node if NExtTopInterrupts = 0
2017-03-03 00:28:55 -08:00
Wesley W. Terpstra
4535de2669
rocket: use diplomatic interrupts
...
This makes it possible for the PLIC to work with heterogenous cores.
2017-03-02 21:19:23 -08:00
Wesley W. Terpstra
d3c5318714
build: remove the now obsolete config string
2017-03-02 21:19:23 -08:00
Wesley W. Terpstra
93ca555c20
IntXing: support configurable sync depth
2017-03-02 21:19:23 -08:00
Wesley W. Terpstra
637bc6c3a7
coreplex: pretty print discontiguous ranges properly
2017-03-02 21:19:23 -08:00
Wesley W. Terpstra
7ff9f88ad7
rocket: connect interrupt map for Plic+Clint
2017-03-02 21:19:22 -08:00
Wesley W. Terpstra
38489ad9b0
tilelink2: bring IntNode parameters up to the current standard
2017-03-02 21:19:22 -08:00
Wesley W. Terpstra
5bd9f18e5b
rocket: add dts cpu description
2017-03-02 21:19:22 -08:00
Wesley W. Terpstra
cfd367248f
rocketchip: add blind ports to DTS
2017-03-02 21:19:22 -08:00
Wesley W. Terpstra
9a5e2e038b
uncore: add DTS meta-data for devices
2017-03-02 21:19:22 -08:00
Wesley W. Terpstra
0b950b5938
coreplex: bind assigned resources
2017-03-02 21:19:19 -08:00
Wesley W. Terpstra
7f6a250dbf
tilelink2: add hooks for Resources
2017-03-02 21:19:19 -08:00
Wesley W. Terpstra
e322692d16
diplomacy: add DeviceTree renderer
2017-03-02 21:19:14 -08:00
Wesley W. Terpstra
c01a74f4a0
diplomacy: add AddressRange conversion to/from AddressSet
2017-03-02 11:14:28 -08:00
Wesley W. Terpstra
bb70b1a3c3
diplomacy: add resource tracking
2017-03-02 11:14:28 -08:00
Henry Cook
9bfcb40cb4
util: Majority on sets of bools
2017-02-27 20:18:28 -08:00
Henry Cook
6958f05a85
Merge remote-tracking branch 'origin/master' into periphery-adjustments
2017-02-27 19:40:55 -08:00
Henry Cook
62f5727bc6
periphery: peripheryBusBytes and socBusBytes
2017-02-27 19:19:41 -08:00
Andrew Waterman
dfa61bc487
Standardize Data.holdUnless and SeqMem.readAndHold
...
- Make API more idiomatic (x holdUnless y, instead of holdUnless(x, y))
- Add new SeqMem API, readAndHold, which corresponds to most common
use of holdUnless
2017-02-25 03:07:49 -08:00
Wesley W. Terpstra
fd972f5c67
icache: back-pressure is unnecessary ( #564 )
...
* icache: back-pressure is unnecessary
* icache: require that the response arrives after the request
2017-02-24 21:01:56 -08:00
Henry Cook
35877e6ec1
Merge branch 'master' into periphery-adjustments
2017-02-24 10:37:41 -08:00
Leway Colin
87d909e996
Fix HastiTestSRAM can't R/W byte when HSIZE is 0 ( #563 )
2017-02-24 10:37:26 -08:00
Henry Cook
a281ad8ad2
rocketchip: rename some periphery ports
2017-02-23 18:28:04 -08:00
Henry Cook
6c3011d513
periphery: make external interrupts a UInt rather than a Vec[Bool]
2017-02-23 18:27:44 -08:00
Wesley W. Terpstra
c01aec9259
tilelink2: support unused IntXing
2017-02-22 18:41:06 -08:00
Wesley W. Terpstra
735e4f8ed6
diplomacy: use HeterogeneousBag instead of Vec
...
This makes it possible for the bundles to have different widths.
Previously, we had to widen all the bundles passing through a node
to the widest of all the possibilities. This would mean that if
you had two source[] fields, they end up the same.
2017-02-22 17:05:22 -08:00
Henry Cook
027d6247b6
diplomacy: silence a warning ( #560 )
2017-02-22 11:28:04 -08:00
Wesley W. Terpstra
9153a9a733
ClockDivider: add docs to appease the reviewer
...
... even though this means a delay of 1:30 hours :(
2017-02-17 19:35:08 +01:00
Wesley W. Terpstra
3931b0faff
coreplex: assume L1 runs no slower than L2
2017-02-17 15:15:41 +01:00
Wesley W. Terpstra
5045696f92
TLRational: test all corners
...
In order to ensure that verilator is happy, we launch both clocks from a
clock divider. Sadly, it does not follow the spec wrt. derived clocks.
See the verilator manual section on "Generated Clocks".
2017-02-17 14:44:31 +01:00
Wesley W. Terpstra
91d1880dbf
ClockDivider2: fix launch alignment of clocks (vcs)
...
Doing this in Chisel leads to non-determinism due to shitty
Verilog ordering semantis. Using an '=' ensures that all of
the clock posedges fire before concurrent register updates.
See "Gotcha 29: Sequential logic that requires blocking assignments"
in "Verilog and SystemVerilog Gotchas" by Stuart Sutherland, Don Mills.
2017-02-17 14:26:23 +01:00
Wesley W. Terpstra
924afebbd9
tilelink2: make TLRational have configurable direction
2017-02-17 13:59:54 +01:00
Wesley W. Terpstra
bb334a2cf5
util: add fast2slow direction option to rational crossings
...
If you manually specify which side of the crossing is slow, you
can move the registers fully to that clock domain.
2017-02-17 13:59:51 +01:00
Wesley W. Terpstra
e51609aec0
build: support waveform debug using opensource tools
...
VCS is not free. Neither is the vcd format.
Fortunately, verilator and gtkwave ARE free ... and faster too.
This patch adds targets:
run-regression-tests-fst
run-asm-tests-fst
... which create opensource-compatible fst waveforms for gtkwave.
2017-02-17 03:38:17 +01:00
Wesley W. Terpstra
abe344a1a4
tilelink2 Fuzzer: support read-only mode ( #555 )
2017-02-13 00:18:47 +01:00