Andrew Waterman
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78868f6075
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add config option to trade mul/div area for speed
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2013-01-06 03:47:17 -08:00 |
|
Andrew Waterman
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05f19b21d0
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merge multiplier and divider
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2012-12-12 02:22:47 -08:00 |
|
Andrew Waterman
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4608660f6e
|
torture revealed a couple bugs
FP loads/stores with certain negative offsets could cause illegal rounding
mode traps, and x's were cropping up in situations that are benign in HW.
|
2012-12-04 05:57:53 -08:00 |
|
Andrew Waterman
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9c857b83f0
|
refactor PCR file
|
2012-11-27 01:28:06 -08:00 |
|
Andrew Waterman
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352bb464b5
|
clock gate X/M and M/W store data registers
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2012-11-26 20:33:41 -08:00 |
|
Andrew Waterman
|
de2f28193a
|
get rid of more global constants
|
2012-11-25 04:24:25 -08:00 |
|
Andrew Waterman
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c036cdc1ea
|
add option for 2-cycle load-use delay
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2012-11-24 22:01:08 -08:00 |
|
Andrew Waterman
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72f94d1141
|
fix virtual address sign extension detection
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2012-11-20 04:06:57 -08:00 |
|
Andrew Waterman
|
29bc361d6c
|
remove global constants; disentangle hwacha a bit
|
2012-11-17 17:24:08 -08:00 |
|
Andrew Waterman
|
5a7777fe4d
|
clock gate integer datapath more aggressively
|
2012-11-17 06:48:44 -08:00 |
|
Andrew Waterman
|
8dce89703a
|
new D$ with better QoR and AMO pipelining
Vector unit is disabled because nack handling needs to be fixed.
|
2012-11-16 02:39:33 -08:00 |
|
Yunsup Lee
|
8764fe786a
|
refactored vector tlb
|
2012-11-06 23:53:52 -08:00 |
|
Andrew Waterman
|
4d1ca8ba3a
|
remove more global consts; refactor DTLBs
D$ now contains DTLB. provide full VAddr with initial request.
VU now has its own DTLBs.
|
2012-11-06 08:13:44 -08:00 |
|
Andrew Waterman
|
c5b93798fb
|
factor out more global constants
|
2012-11-05 23:52:32 -08:00 |
|
Andrew Waterman
|
5b20ed71be
|
move rd=0 check into bypass logic
before, the check was in the write enable logic, but moving it obviated
an awkward corner case for mtpcr with rd=0.
|
2012-11-05 01:30:57 -08:00 |
|
Andrew Waterman
|
7380c9fe60
|
aggressively clock gate int and fp datapaths
|
2012-11-04 16:40:14 -08:00 |
|
Andrew Waterman
|
5773cbb68a
|
rejigger htif to use UncoreConfiguration
|
2012-10-18 17:26:03 -07:00 |
|
Henry Cook
|
88ac5af181
|
Merged consts-as-traits
|
2012-10-16 16:32:35 -07:00 |
|
Andrew Waterman
|
197154c485
|
use BTB for JALR
|
2012-10-16 02:24:37 -07:00 |
|
Andrew Waterman
|
661f8e635b
|
merge I$, ITLB, BTB into Frontend
|
2012-10-16 02:24:37 -07:00 |
|
Andrew Waterman
|
27ddff1adb
|
simplify and improve multiplier
|
2012-10-16 02:24:37 -07:00 |
|
Henry Cook
|
8970b635b2
|
improvements to implicit RocketConfiguration parameter
|
2012-10-15 16:29:49 -07:00 |
|
Henry Cook
|
9025d0610c
|
first pass at configuration object passed as implicit parameter
|
2012-10-07 22:37:29 -07:00 |
|
Henry Cook
|
dfdfddebe8
|
constants as traits
|
2012-10-07 22:20:03 -07:00 |
|
Huy Vo
|
0a97d6ab4d
|
type casting
|
2012-07-18 13:03:35 -07:00 |
|
Andrew Waterman
|
4e44ed7400
|
allow back pressure on IPI requests
|
2012-07-17 22:55:40 -07:00 |
|
Huy Vo
|
fd95159837
|
INPUT/OUTPUT orderring swapped
|
2012-07-12 18:16:57 -07:00 |
|
Huy Vo
|
7408c9ab69
|
removing wires
|
2012-05-24 10:42:39 -07:00 |
|
Henry Cook
|
622a801bb1
|
Refactored cpu/cache interface to use nested bundles
|
2012-05-02 11:54:28 -07:00 |
|
Andrew Waterman
|
7f254d9670
|
refine FP bugfixes
|
2012-04-01 14:52:33 -07:00 |
|
Huy Vo
|
c7c35322c2
|
two bug fixes to fpu
|
2012-03-31 22:23:51 -07:00 |
|
Yunsup Lee
|
a70f0414fa
|
fix a workaroundable bug
|
2012-03-26 20:51:54 -07:00 |
|
Andrew Waterman
|
86d56ff67b
|
refactor cpu/i$/d$ into Tile (rather than Top)
|
2012-03-24 16:57:28 -07:00 |
|
Andrew Waterman
|
54fa6f660d
|
new supervisor mode
|
2012-03-24 13:03:31 -07:00 |
|
Yunsup Lee
|
aaed0241af
|
get rid of vxcptwait
|
2012-03-21 15:09:04 -07:00 |
|
Andrew Waterman
|
a47eeb9571
|
retime D$ bypass into beginning of EX stage
|
2012-03-16 18:35:54 -07:00 |
|
Yunsup Lee
|
b19d783fbd
|
add vector irq handler
|
2012-03-14 14:15:28 -07:00 |
|
Yunsup Lee
|
040d62f372
|
refactored vector exception handling interface
|
2012-03-13 23:45:34 -07:00 |
|
Yunsup Lee
|
b100544b25
|
datapath to read out vector state
|
2012-03-13 23:45:34 -07:00 |
|
Yunsup Lee
|
a1b30282dd
|
major refactoring on vector exception interface
|
2012-03-09 01:09:22 -08:00 |
|
Yunsup Lee
|
d4ec7ff4d9
|
refined vector exception interface
|
2012-03-03 16:11:54 -08:00 |
|
Yunsup Lee
|
e28a551368
|
refactor code related to vector exceptions
- revisied interfaces
- new instructions
|
2012-03-03 15:15:00 -08:00 |
|
Yunsup Lee
|
1054cec087
|
add vec countq interface
|
2012-03-02 00:43:32 -08:00 |
|
Yunsup Lee
|
8678b3d70c
|
clean up ioDecoupled/ioPipe interface
|
2012-03-01 20:48:46 -08:00 |
|
Yunsup Lee
|
bfd0ae125e
|
upgrade to new rocket/vu memory interface, fix amo nack bug in hellacache
|
2012-02-26 23:46:51 -08:00 |
|
Andrew Waterman
|
e12b9eae93
|
remove ext_mem interface
hindsight is 20/20
|
2012-02-26 18:53:39 -08:00 |
|
Andrew Waterman
|
2d04664a98
|
simplify cpu-cache interface
|
2012-02-26 18:26:29 -08:00 |
|
Yunsup Lee
|
94ba32bbd3
|
change package name and sbt project name to rocket
|
2012-02-25 17:09:26 -08:00 |
|
Yunsup Lee
|
946e0c6e4e
|
add vector exception infrastructure
|
2012-02-25 16:37:56 -08:00 |
|
Yunsup Lee
|
3839e3a318
|
massive refactoring of vector constants
|
2012-02-25 15:55:36 -08:00 |
|