riscv/rocket-chip
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Author SHA1 Message Date
Howard Mao
636a46c052 make sure SlowIO clock divider is initialized on reset 2016-06-08 10:02:21 -07:00
Howard Mao
f421e2ab11 fix TileLinkWidthAdapter 2016-06-08 09:58:23 -07:00
Donggyu Kim
99b257316e replace emulator with verilator for chisel3 2016-06-08 02:43:54 -07:00
Howard Mao
08e53a00f0 bump cde for better match failure stack trace 2016-06-07 16:15:10 -07:00
Howard Mao
2cd897e240 Revert "include the unmatched field in CDEMatchError" 
This reverts commit ff2937a788.
 2016-06-07 16:13:01 -07:00
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
8db27a36c4 fix Tile reset power on behavior 2016-06-07 11:06:38 -07:00
Palmer Dabbelt
e6c4372332 Fix "make run-asm-tests" for Chisel 3 
This was just a missing Makefrag-verilog dependency (the .d file).
 2016-06-06 21:36:55 -07:00
Andrew Waterman
2c17f828b6 bump chisel and rocket 2016-06-06 21:36:51 -07:00
Wesley W. Terpstra
5495705acf Configs: enable AHB for FPGAs 2016-06-06 21:36:09 -07:00
Wesley W. Terpstra
ef27cc3a33 RocketChip: handle atomics only if needed 2016-06-06 21:36:03 -07:00
Wesley W. Terpstra
3e0ec855cf RocketChip: add ahb mem interface 2016-06-06 21:35:59 -07:00
Wesley W. Terpstra
d2b505f2d2 RocketChip: rename mem to mem_axi in preparation for new bus type 2016-06-06 21:35:55 -07:00
Wesley W. Terpstra
2086c0d603 Configs: add a parameter to control the memory subsystem interface 2016-06-06 21:35:43 -07:00
Wesley W. Terpstra
2ddada1732 ahb: add mmio_ahb option 2016-06-06 21:35:39 -07:00
Wesley W. Terpstra
31f1dcaf84 ahb: rename mmio outputs to mmio_axi 2016-06-06 21:35:34 -07:00
Wesley W. Terpstra
7a24527448 ahb: make MMIO channels specifiy bus type (we will have more than one bridge) 2016-06-06 21:35:30 -07:00
Wesley W. Terpstra
f3a557b67b ahb: AHB parameters should be site specific 
Conflicts:
	src/main/scala/Configs.scala
 2016-06-06 21:35:24 -07:00
Andrew Waterman
4f2e2480a8 When exceptions occur in D-mode, set pc=0x808, not 0x800 
Closes #43
 2016-06-06 20:57:22 -07:00
Howard Mao
172c4f25f4 bump groundtest and uncore 2016-06-06 17:45:30 -07:00
Howard Mao
f44778fa56 make sure Cached generator comparison truncates to correct size 2016-06-06 17:45:04 -07:00
Howard Mao
ff2937a788 include the unmatched field in CDEMatchError 2016-06-06 11:23:20 -07:00
Howard Mao
022503748e make Memtest generators more configurable 2016-06-06 09:44:09 -07:00
Howard Mao
2163ebfca3 use a generic Nasti memory driver for unit tests 2016-06-06 09:43:39 -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
d24c87f8ba Update PLIC/PRCI address map (#124) 2016-06-06 04:51:55 -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
ece3ab9c3d Refactor AddrMap and its usage (#122) 2016-06-03 17:29:05 -07:00
Andrew Waterman
3b0c1ed0c3 Cope with changes to AddrMap 2016-06-03 13:50:29 -07:00
Andrew Waterman
cf8be98b2b Cope with changes to AddrMap 2016-06-03 13:48:43 -07:00
Andrew Waterman
2e88ffc364 Cope with changes to AddrMap 2016-06-03 13:48:09 -07:00
Andrew Waterman
28161cab45 Merge AddrHashMap and AddrMap 2016-06-03 13:46:53 -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
c8338ad809 Instantiate Debug Module (#119) 2016-06-02 10:53:41 -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
Andrew Waterman
13386af1d1 Get rid of unused implicit conversion 2016-06-01 19:30:41 -07:00
Andrew Waterman
9949347569 First stab at debug interrupts 2016-06-01 16:57:10 -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
Wesley W. Terpstra
695be2f0ae hasti: work-around unsupported 0-width signals 2016-06-01 16:38:49 -07:00