riscv/rocket-chip
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15 Commits

Author SHA1 Message Date
Wesley W. Terpstra
2f7081aeaf tilelink2: make mask generation reusable 2016-10-10 11:21:50 -07:00
Wesley W. Terpstra
f05298d9bc tilelink2: move general-purpose code out of tilelink2 package 2016-10-03 16:22:28 -07:00
Wesley W. Terpstra
d9e209365d Tl2 addr width0 (#346) 
* tilelink2 Edges: add accessor methods for address and addr_{hi,lo}

* tilelink2: use addr_lo instead of relying on truncation

Truncation can mess up if the width should be 0, but IS 1.
 2016-09-26 17:00:03 -07:00
Wesley W. Terpstra
47843d8ec1 tilelink2: maxLgSize should be accurate (#332) 2016-09-22 22:06:22 -07:00
Wesley W. Terpstra
b11839f5a1 tilelink2: differentiate fast/safe address lookup cases 2016-09-17 17:04:18 -07:00
Wesley W. Terpstra
94761f714d tilelink2 HintHandler: fill in correct sink in responses 2016-09-12 17:26:40 -07:00
Wesley W. Terpstra
ca5f98f138 tilelink2: Hints are not special 
Hints have a TransferSize limit just like all other message types.
 2016-09-12 17:15:28 -07:00
Henry Cook
82681179cb [tilelink2] Edges: add size to addr_lo. 
addr_lo cannot correctly be deciphered from the mask alone.
OxC still has addr_lo === 0 if size is >1.
 2016-09-12 16:58:09 -07:00
Wesley W. Terpstra
d6261e8ce8 tilelink2 Edge: add a numBeats1 method for predecremented code 2016-09-12 10:32:24 -07:00
Wesley W. Terpstra
9bfd8c1cf5 TL2 WidthWidget (#258) 
* tilelink2 Narrower: support widenening and narrowing on all channels

Be extra careful with the mask transformations

We need to make sure that narrowing or widening do not cause a loss
of information about the operation. The addr_hi+(mask|addr_lo) conversions
are now 1-1, except on D, which should not matter.

* tilelink2 SRAM: work around firrtl SeqMem bug

* tilelink2 WidthWidget: renamed from Narrower (it now converts both ways)

* tilelink2 mask: fix an issue with width=1 data buses
 2016-09-08 10:38:38 -07:00
Wesley W. Terpstra
d2421654c4 tilelink2: refactor address into addr_hi on ABC and addr_lo on CD 
We need addr_lo in order to properly convert widths.
As part of the refactoring, move all methods out of the Bundles
 2016-09-06 23:46:44 -07:00
Wesley W. Terpstra
54ab14cd9d tilelink2: statically optimize numBeats for simple managers 2016-09-05 22:11:03 -07:00
Wesley W. Terpstra
cf0291061d tilelink2: fix a bug in UIntToOH1 triggered if the size was too big 2016-09-05 20:58:41 -07:00
Wesley W. Terpstra
a0c25880c7 tilelink2: Monitor should check mask of reconstructed request 2016-09-05 20:58:41 -07:00
Wesley W. Terpstra
4746cf00ce tilelink2: move files to new uncore directory 2016-09-05 20:58:40 -07:00