riscv/rocket-chip
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Author SHA1 Message Date
Wesley W. Terpstra
16e8709144 tilelink: it is now legal to have errors on {Release,Hint}Ack (#864) 2017-07-14 16:13:30 -07:00
Richard Xia
9ade7af013 Merge pull request #862 from freechipsproject/plic-max-pri-dts 
PLIC: Add maxPri as well as ndev in DTS
 2017-07-13 17:08:21 -07:00
Richard Xia
f0481801df Merge pull request #863 from freechipsproject/rename-offchip-interrupts-to-external-interrupts 
Rename offchip-interrupts to external-interrupts.
 2017-07-13 16:52:57 -07:00
Megan Wachs
35464782b5 PLIC: maxPriorities comes from params 2017-07-13 15:57:10 -07:00
Richard Xia
d62787357b Rename offchip-interrupts to external-interrupts. 2017-07-13 15:56:22 -07:00
Shreesha Srinath
f2533ce825 bootrom: Adding bootrom parameters (#857) 
BootROM parameters currently control the boot rom address, size, and the
hang which essentially sets the reset vector. This commit allows specifying
different parameter values as required.
 2017-07-13 13:40:02 -07:00
Megan Wachs
f646bed3ea PLIC: Use longer DTS name for Max Priorities. 
I used the singular because there is really only one max priority
 2017-07-13 13:37:22 -07:00
Megan Wachs
0800fd3ed9 PLIC: Add maxPri as well as ndev in DTS 2017-07-13 13:18:50 -07:00
Wesley W. Terpstra
b7f1ba3428 tilelink: FIFOFixer must support null cases (#860) 
In particular, it is ok if no slaves actually need FIFO fixing.
It is also ok if none of those fixed are FIFO.
 2017-07-12 22:20:31 -07:00
Wesley W. Terpstra
0053a060ae Merge pull request #859 from freechipsproject/fifo-fixer-configable 
Fifo fixer configable
 2017-07-12 19:44:23 -07:00
Wesley W. Terpstra
4eface8a9e rocket: do not require FIFO order for memory-like regions 2017-07-12 17:39:00 -07:00
Wesley W. Terpstra
09b9d33a9a tilelink: FIFOFixer now has a policy parameter 2017-07-12 17:38:55 -07:00
Wesley W. Terpstra
b363a94480 diplomacy: add a new UNCACHEABLE RegionType 2017-07-12 16:31:50 -07:00
Wesley W. Terpstra
c8a7648169 diplomacy: only evaluate a Nexus node's map function once 2017-07-12 16:20:55 -07:00
Wesley W. Terpstra
af3976aa67 regmapper: add byte-sized RegField helper function (#854) 2017-07-10 21:08:02 -07:00
Megan Wachs
177ccbb663 regfield: More explanatory requires so I don't have to RTFC and figure out what width actually was (#855) 2017-07-10 21:07:50 -07:00
Jim Lawson
287219da06 Merge pull request #851 from freechipsproject/chisel3clock 
Use chisel3 Clock() method.
 2017-07-10 08:33:46 -07:00
Wesley W. Terpstra
29f5f77817 Merge pull request #853 from freechipsproject/sram-errors 
SRAM errors
 2017-07-07 22:44:28 -07:00
Wesley W. Terpstra
5db0e770d5 tilelink: TestSRAM can emulate incompletely populated memory 2017-07-07 21:40:40 -07:00
Wesley W. Terpstra
702143eb33 tilelink: SRAM can emulate incompletely populated memory 2017-07-07 21:40:40 -07:00
Wesley W. Terpstra
9310a33e77 apb: SRAM can emulate incompletely populated memory 2017-07-07 21:40:40 -07:00
Wesley W. Terpstra
28fbf1af8e ahb: SRAM can emulate incompletely populated memory 2017-07-07 21:40:39 -07:00
Wesley W. Terpstra
df44b23956 axi4: SRAM can emulate incompletely populated memory 2017-07-07 21:40:39 -07:00
Wesley W. Terpstra
b2cc4b99ed tilelink: TestSRAM reports errors on illegal access 2017-07-07 21:40:36 -07:00
Wesley W. Terpstra
e8cb6dafd3 tilelink: SRAM reports errors on illegal access 2017-07-07 21:15:36 -07:00
Wesley W. Terpstra
f1fb3be603 ahb: SRAM reports errors on illegal access 2017-07-07 21:15:36 -07:00
Wesley W. Terpstra
19851a7c9e apb: SRAM reports errors on illegal access 2017-07-07 21:15:33 -07:00
Wesley W. Terpstra
025f7d890b axi4: SRAM now reports errors on illegal address (#852) 2017-07-07 19:27:32 -07:00
Jim Lawson
2bf91a0558 Use chisel3 Clock() method. 2017-07-07 14:16:39 -07:00
Henry Cook
4c595d175c Refactor package hierarchy and remove legacy bus protocol implementations (#845) 
* Refactors package hierarchy.

Additionally:
  - Removes legacy ground tests and configs
  - Removes legacy bus protocol implementations
  - Removes NTiles
  - Adds devices package
  - Adds more functions to util package
 2017-07-07 10:48:16 -07:00
Megan Wachs
c28c23150d Merge pull request #850 from freechipsproject/plic_undefZero 
PLIC: (undefZero=true) Don't allow addresses to alias
 2017-07-06 18:39:10 -07:00
Megan Wachs
76a1ae667f PLIC: (undefZero=true) Don't allow addresses to alias 
While the spec is unclear what happens when you access unused registers in the PLIC, for user simplicity turn off register aliasing. If this becomes a performance/area issue we can revisit.
 2017-07-06 17:57:08 -07:00
Andrew Waterman
a0cbc376b4 Merge pull request #849 from freechipsproject/l2-tlb 
L1 memory system improvements
 2017-07-06 13:03:06 -07:00
Andrew Waterman
e1cc0a0a0e Mask debug interrupts similarly to other interrupts (#847) 
This makes single-step exceptions higher-priority than debug interrupts.
 2017-07-06 12:03:24 -07:00
Andrew Waterman
b2351c5fbf Use consistent casing 2017-07-06 11:16:56 -07:00
Andrew Waterman
be4eceec0d Fix stupid D$ probe bug 2017-07-06 01:20:47 -07:00
Andrew Waterman
90a7d6a343 Add L2 TLB option 2017-07-06 01:19:18 -07:00
Andrew Waterman
438abc76d2 Handle TL errors in L1 I$ 
Cache the error bit in the tag array; report precisely on access.
 2017-07-06 01:02:11 -07:00
Megan Wachs
988caf5e34 Merge pull request #848 from freechipsproject/revert-839-bump-firrtl 
Revert "Bump firrtl"
 2017-07-05 22:32:45 -07:00
Megan Wachs
029886d0d5 Revert "Bump firrtl" 2017-07-05 21:13:47 -07:00
Jack Koenig
f6880555df Merge pull request #839 from freechipsproject/bump-firrtl 
Bump firrtl
 2017-07-05 14:59:58 -07:00
Megan Wachs
734a178e4e Merge pull request #846 from freechipsproject/travis-delete-caches 
Update README_TRAVIS.md
 2017-07-05 13:52:26 -07:00
Megan Wachs
94262ea950 Update README_TRAVIS.md 
add some headers
 2017-07-05 11:45:04 -07:00
Megan Wachs
84c2bf5504 Update README_TRAVIS.md 
Clarify when to delete caches
 2017-07-05 11:40:36 -07:00
Jack Koenig
bb4452435f Bump Firrtl to get const prop registers and name improvements 2017-07-05 10:44:18 -07:00
Andrew Waterman
ec9fbe26d8 Merge pull request #843 from freechipsproject/tag-ecc 
Add tag ECC to D$
 2017-07-04 16:20:11 -07:00
Andrew Waterman
0ef45fac9b Add tag ECC to D$ 2017-07-03 18:16:37 -07:00
Andrew Waterman
e9752f76ae Improve probe state machine 
- Reduce reliance on s2_prb_ack_data due to future ECC changes
- Shave a cycle off valid, but clean, probes
- Code cleanup
 2017-07-03 16:25:04 -07:00
Megan Wachs
85f37146d5 Merge pull request #842 from freechipsproject/fesvr-multi 
Bump FESVR for multi-core support
 2017-07-03 15:31:41 -07:00
Megan Wachs
ddd2b2236d bump riscv-tools/riscv-fesvr to pick up multicore fixes 2017-07-03 13:25:05 -07:00