riscv/rocket-chip
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324cabc494
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612 Commits

Author SHA1 Message Date
Wesley W. Terpstra
324cabc494 tilelink: wmask was double the width it should be 
When amo_offset = UInt(0), UIntToOH(amo_offset) = "b01", not b"1".
This meant that the amo wmask was double wide, making wmask() fat.
 2016-06-07 14:04:01 -07:00
Howard Mao
2d66ac93d3 make sure HastiRAM cuts off the correct number of bits for word address 2016-06-06 09:26:51 -07:00
Andrew Waterman
dd85f2410f Avoid need for cloneType 2016-06-05 23:47:56 -07:00
Andrew Waterman
631e3e2dd9 Make PRCI a singleton, not per-tile 
Some stuff is densely packed in the address space (e.g. IPI regs),
so needs to be on the same TileLink slave port
 2016-06-05 23:06:21 -07:00
Andrew Waterman
be7500e4a9 Update PLIC addr map 2016-06-05 23:04:51 -07:00
Megan Wachs
b832689642 Correct Debug ROM contents 2016-06-05 19:35:25 -07:00
Megan Wachs
605fb5b92f [debug]: fix issue with subword select logic 2016-06-05 19:31:07 -07:00
Megan Wachs
3e8322816b Correct DMINFO Fields 2016-06-05 19:29:50 -07:00
Megan Wachs
7e550ab07c [debug] rocket: fix for issue 121, correct debug ROM and stall logic 2016-06-05 19:29:44 -07:00
Andrew Waterman
2e88ffc364 Cope with changes to AddrMap 2016-06-03 13:48:09 -07:00
Andrew Waterman
f1745bf142 Allow PLIC nPriorities=0 (priority fixed at 1) 2016-06-02 13:48:29 -07:00
Andrew Waterman
b7ca2145b3 Fix PLIC control bug when !grant.ready 2016-06-02 13:47:59 -07:00
Andrew Waterman
0866b4c045 Can't assign to Vec literals 2016-06-01 23:36:34 -07:00
Andrew Waterman
20e1de08da Avoid chisel2 pitfall 
This code is erroneously flagged as incompatible with chisel3.
In fact, it is correct in both chisel2 and chisel3.  D'oh.
 2016-06-01 23:35:49 -07:00
Andrew Waterman
5629fb62bf Avoid bitwise sub-assignment 2016-06-01 21:59:02 -07:00
Andrew Waterman
9518b3d589 Fix arithmetic in ROM row count 2016-06-01 21:59:02 -07:00
Andrew Waterman
8e80d1ec80 Avoid floating-point arithmetic where integers suffice 2016-06-01 21:59:02 -07:00
Wesley W. Terpstra
11b3cee07a Ahb tweaks (#50) 
* ahb: handle tlDataBytes==1 and tlDataBeats==1 gracefully

I only now learned that chisel does not handle 0-width wires properly
and that log2Up and log2Ceil differ on 1. Fix-up code to handle this.

* ahb: optionally disable atomics => optimize to nothing

Trust the compiler the compiler to optimize away unused logic.
 2016-06-01 16:42:39 -07:00
mwachs5
740a6073f6 Add Debug Module (#49) 
* Add Debug Module

* [debug] Remove unit tests, update System Bus register addresses, parameterize nComponents

* [debug] Update Debug ROM contents to match updated addresses
 2016-06-01 16:33:33 -07:00
Howard Mao
e8408f0a8a fix HastiRAM 2016-06-01 10:33:59 -07:00
Andrew Waterman
6d82c0d156 Add M_FLUSH_ALL command 2016-05-31 19:25:31 -07:00
Andrew Waterman
8afdd7e3da Work around PutBlocks draining into data array prematurely 2016-05-26 23:08:05 -07:00
Andrew Waterman
391a9b9110 Use buses, rather than crossbars, by default in TLInterconnect 
We should eventually parameterize this, of course.
 2016-05-26 16:10:42 -07:00
Andrew Waterman
b6d26e90f8 Add generic TileLink width adapter 2016-05-26 15:59:42 -07:00
Andrew Waterman
8139f71dfb Work around Chisel2 bug 
This code is correct, but Chisel2 erroneously flags it as a Chisel3
compatibility error because it looks like Vec(Reg) when factor=1.
 2016-05-26 12:37:31 -07:00
Andrew Waterman
22568de5f3 Work around another zero-width wire limitation 2016-05-25 21:42:02 -07:00
Andrew Waterman
e2755a0f0a Work around zero-width wire limitation in HTIF 2016-05-25 20:39:53 -07:00
Andrew Waterman
3e238adc67 rtc: fix acquire message type check 2016-05-25 20:37:48 -07:00
Wesley W. Terpstra
7f1792cba3 ahb: backport bridge to chisel2 
Closes #47
 2016-05-25 13:40:24 -07:00
Andrew Waterman
c49cb10c74 Merge pull request #42 from terpstra/ahb 
Ahb
 2016-05-24 17:02:15 -07:00
Andrew Waterman
88cc91db75 Ignore way_en in MetadataArray for direct-mapped caches 2016-05-24 15:47:09 -07:00
Wesley W. Terpstra
a012341d96 ahb: TileLink => AHB bridge, including atomics and bursts 2016-05-24 14:58:27 -07:00
Wesley W. Terpstra
ace9362d81 ahb: amoalu does not need so many parameters! (i want to reuse it) 2016-05-24 14:58:27 -07:00
Wesley W. Terpstra
00d31dc5c5 bram: use new hasti definitions 2016-05-24 13:35:16 -07:00
Albert Ou
ee0acc1d07 Fix BRAM assertion condition 2016-05-23 13:19:53 -07:00
Colin Schmidt
3e0b5d6fd9 Ensure that a TSHR doesn't see a valid Acquire if that is blocked by a Release, 
but would otherwise be allocated.

Closes #45
 2016-05-20 16:35:30 -07:00
Ken McMillan
fd83d20857 Use a def instead of a lazy val in ManagerCoherenceAgent. 
Prevents C++ emulator from randomizing inputs in unit testing.

Closes #44
 2016-05-20 16:31:12 -07:00
Ken McMillan
d69446e177 Add config classes to drive unit testing of L2 TileLink agents. 
Closes #43
 2016-05-20 16:15:43 -07:00
Howard Mao
4f84d8f757 make sure to hook up finish in ClientTileLinkEnqueuer 2016-05-18 13:13:34 -07:00
Howard Mao
f138819992 fix order of assignments in ManagerTileLinkNetworkPort 2016-05-11 16:45:00 -07:00
Andrew Waterman
533b229175 Improve PLIC QoR 2016-05-10 17:03:56 -07:00
Andrew Waterman
e15e9c5085 First draft of interrupt controller 2016-05-10 00:25:13 -07:00
Howard Mao
14a6e470c9 transform ids in TL -> NASTI converter if necessary 2016-05-07 21:19:27 -07:00
Howard Mao
1ed6d6646d move NastiROM and HastiRAM into rom.scala and bram.scala 2016-05-06 11:31:22 -07:00
Howard Mao
77e859760c add a Hasti RAM alongside the Nasti ROM 2016-05-06 11:31:22 -07:00
Howard Mao
f26c422544 assert that TileLink router has valid route 2016-05-03 12:18:06 -07:00
Andrew Waterman
cc4102f8de Add trivial version of PRCI block 
It doesn't really do anything besides deliver deliver IPIs yet.
 2016-05-02 17:49:10 -07:00
Andrew Waterman
72731de25a Take a stab at the PRCI-Rocket interface 2016-05-02 15:20:33 -07:00
Andrew Waterman
695c4c5096 Support both Get and GetBlock on ROMSlave 2016-04-30 17:34:12 -07:00
Albert Ou
6f052a740c Add TileLink BRAM slave 2016-04-29 14:10:44 -07:00