Howard Mao
3f8f726296
make rocc build independent from parameter structure
2015-12-01 18:47:52 -08:00
Howard Mao
e76dfa55f7
change the way rocc is parameterized
2015-12-01 17:54:56 -08:00
Howard Mao
e80340198a
use implicit parameters for ALU
2015-11-30 17:35:33 -08:00
Howard Mao
9256239206
implement support for multiple RoCC accelerators
2015-11-26 12:46:01 -08:00
Howard Mao
58b0a86834
some modifications to AccumulatorExample
2015-11-26 08:48:19 -08:00
Andrew Waterman
e203b8b378
Make ALU generic for zscale
2015-11-24 19:17:07 -08:00
Andrew Waterman
5294e94794
Remove CSR back pressure ability
...
We were using it for IPIs, but no longer need it.
2015-11-24 18:28:14 -08:00
Andrew Waterman
4616db4695
Make RegFile/ImmGen usable by zscale
2015-11-24 18:27:07 -08:00
Andrew Waterman
6d1bf5c014
Use generic LoadGen/StoreGen
2015-11-24 18:13:33 -08:00
Howard Mao
b0a06a77db
fix a few Chisel3 compat issues
2015-11-20 13:33:15 -08:00
Andrew Waterman
0f092b9b59
Remove IPI network
...
This is now provided via MMIO.
2015-11-16 21:51:43 -08:00
Yunsup Lee
213c1a4c81
fix fdiv/fsqrt control bug in fpu
2015-11-14 16:43:15 -08:00
Yunsup Lee
3c3c946755
move to new version of hardfloat
2015-11-14 14:49:17 -08:00
Howard Mao
19daee10f0
use default constructors for IOMSHR acquire construction
2015-11-12 15:54:05 -08:00
jackkoenig
1e259a55da
Fix SimpleHellaCacheIF assumption about receiving rejected request back 2 cycles later
2015-11-08 21:16:31 -08:00
Andrew Waterman
2f515b2af6
Reduce critical path for fdiv valid signal
2015-11-06 23:28:31 -08:00
Yunsup Lee
c7235fecb5
further state optimization in CSRfile when not UseVM
2015-10-25 10:23:46 -07:00
Jim Lawson
0c587704a7
Add ability to generate libraryDependency on cde.
2015-10-22 11:37:20 -07:00
Henry Cook
4f8468b60f
depend on external cde library
2015-10-21 18:19:23 -07:00
Howard Mao
0b7c828b5d
go back to using standard LockingArbiter
2015-10-21 09:15:51 -07:00
Howard Mao
c68d9f8137
make ProbeUnit state machine easier to understand
2015-10-20 23:25:23 -07:00
Henry Cook
1a1185be3f
Vectorize ROCC and Tile memory interfaces
2015-10-20 15:02:24 -07:00
Henry Cook
6f8997bee9
Minor refactor of StoreGen/AMOALU.
2015-10-16 19:12:46 -07:00
Henry Cook
1441590c3b
add enabled field to BTBParameters
2015-10-16 19:12:39 -07:00
Henry Cook
969ecaecf8
pass parameters to BuildRoCC
2015-10-14 14:16:47 -07:00
Henry Cook
68cb54bc68
refactor tilelink params
2015-10-14 12:14:36 -07:00
Henry Cook
4508666d96
log2ceil
2015-10-06 18:22:47 -07:00
Henry Cook
8173695800
added HasAddrMapParameters
2015-10-06 18:22:40 -07:00
Henry Cook
84576650b5
Removed all traces of params
2015-10-05 21:48:05 -07:00
Henry Cook
69a4dd0a79
refactor NASTI to not use param
2015-10-02 14:20:47 -07:00
Howard Mao
19656e4abe
make sure to generate release from clean coh state on probe miss
2015-09-30 16:58:18 -07:00
Andrew Waterman
833909a2b5
Chisel3 compatibility fixes
2015-09-30 14:36:26 -07:00
Andrew Waterman
a7c908cb83
Don't declare Reg inside of when
...
We haven't yet decided what the Chisel3 semantics for this will be.
2015-09-30 12:43:36 -07:00
Howard Mao
2f3d15675c
fix DataArray writemask in L1D
2015-09-28 16:02:39 -07:00
Andrew Waterman
f8a7a80644
Make perf counters optional
2015-09-28 13:55:23 -07:00
Andrew Waterman
5e88ead984
Add pseudo-ops to instructions.scala
2015-09-28 11:52:27 -07:00
Andrew Waterman
b93a94597c
Remove needless control logic
2015-09-27 13:31:52 -07:00
Howard Mao
4bda6b6757
fix bug in tlb refill
2015-09-26 21:27:36 -07:00
Howard Mao
6bf8f41cef
make sure passthrough requests are treated as vm_enabled = false
2015-09-26 20:29:51 -07:00
Andrew Waterman
c3fff12ff0
Revert "replace remaining uses of Vec.fill"
...
This reverts commit f7a0d125e83f8ca59d9913bb1db79cef5a6d344a.
2015-09-25 17:09:06 -07:00
Andrew Waterman
0bfb2962a6
Assume coh.isRead returns true for store-conditional
...
This requires an uncore update.
2015-09-25 15:26:11 -07:00
Howard Mao
a66bdb1956
replace remaining uses of Vec.fill
2015-09-24 17:53:26 -07:00
Howard Mao
9eb988a4c6
make sure access to invalid physical address treated as exception
2015-09-22 10:11:43 -07:00
Howard Mao
16c748576a
don't mux data_word_bypass between IOMSHR and cache
2015-09-22 10:10:57 -07:00
Howard Mao
d89bcd3922
modify csr file to bring in line with HTIF changes
2015-09-22 10:10:57 -07:00
Howard Mao
382faba4a6
Implement bypassing L1 data cache for MMIO
2015-09-22 10:10:57 -07:00
Andrew Waterman
e72e5a34b5
Fix storage of SP values in DP registers
...
The SFMA was zero-extending the SP value to 65 bits, rather than filling
the upper 32 bits with 1s. This meant that an FSD + FLD of that register
would not restore the value properly.
Also, minor code cleanup.
2015-09-21 12:20:44 -07:00
Christopher Celio
76bf1da310
[commitlog] zero-extend SP write-back values
2015-09-15 16:47:26 -07:00
Scott Beamer
3b48d8569c
[commitlog] don't print out writebacks to x0
2015-09-15 16:47:26 -07:00
Christopher Celio
e22bf02a80
[commitlog] CSR's cycle optionally set to instret
...
- Allows debugging Rocket against Spike by having timer interrupts
occur in the same place in the instruction stream for both.
2015-09-15 16:47:26 -07:00
