riscv/rocket-chip
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Author SHA1 Message Date
Henry Cook
90ced93eeb Merge branch 'master' into gh-pages 2015-05-07 12:35:14 -07:00
Henry Cook
4cef8c9cd4 Added MemIOArbiter 2015-05-07 10:55:38 -07:00
Christopher Celio
b09832f1b5 ICache now returns the "next PC" signal. 
useful for other modules that need access to the fetch PC on the
   cycle it is sent to the SRAM.
 2015-05-07 04:53:05 -07:00
Colin Schmidt
c746ef8702 fix bug in rocc port resp for FPtoInt instructions 2015-05-04 11:20:55 -07:00
Henry Cook
8832b454ce add plugins to make scala doc site and publish to ghpages 2015-04-29 15:34:56 -07:00
Henry Cook
1e05fc0525 First pages commit 2015-04-29 13:18:26 -07:00
Yunsup Lee
b9fb1bb46e Merge remote-tracking branch 'origin/master' into rocc-fpu-port 2015-04-29 00:43:53 -07:00
Henry Cook
3673295d03 network shim cleanup 2015-04-27 16:59:30 -07:00
Henry Cook
09e30041ed Voluntary Writeback tracker rewrite 2015-04-27 12:56:33 -07:00
Colin Schmidt
a37fad2e9b Merge branch 'retimeable-frontend' into rocc-fpu-port 2015-04-22 14:23:52 -07:00
Colin Schmidt
1f410ac42c move fetch buffer into frontend to allow retiming 2015-04-22 11:26:03 -07:00
Henry Cook
11b5222d01 Refactored WritebackUnit 2015-04-21 22:23:04 -07:00
Henry Cook
4c7969b2b3 Metadata docs and api cleanup 2015-04-20 16:32:09 -07:00
Henry Cook
a315fe93c1 simplify ClientMetadata.makeRelease 2015-04-20 10:46:24 -07:00
Henry Cook
f66a9fd7a6 simplify ClientMetadata.makeRelease 2015-04-20 10:46:02 -07:00
Henry Cook
6d40a61060 TileLink scala doc and parameter renaming 2015-04-19 22:06:44 -07:00
Albert Ou
ca5b3d988d Merge branch 'master' into rocc-fpu-port 2015-04-19 15:00:00 -07:00
Henry Cook
3048f4785a HeaderlessTileLinkIO -> ClientTileLinkIO 2015-04-17 16:56:53 -07:00
Henry Cook
ba7a8b1752 TileLink refactor; TileLinkPorts now available. L2Banks no longer have unique ids (suitable for hierarhical P&R). 2015-04-17 16:55:20 -07:00
Colin Schmidt
73fa28521d Merge branch 'master' of github.com:ucb-bar/rocket into rocc-fpu-port 2015-04-16 15:22:08 -07:00
Henry Cook
ce3271aef2 refactor LNClients and LNManagers 2015-04-15 15:48:36 -07:00
Henry Cook
49f1c0aa7b moved ecc lib to uncore 2015-04-13 15:58:10 -07:00
Henry Cook
91e882e3f8 Use HeaderlessTileLinkIO 2015-04-13 15:58:10 -07:00
Henry Cook
90f800d87d Grant bugfixes and more comments 2015-04-13 15:57:06 -07:00
Andrew Waterman
24bb032ede Merge pull request #7 from ccelio/master 
Rocket front-end can now fetch 4 instructions; added assert to dcache; refactoring
 2015-04-12 19:18:23 -07:00
Christopher Celio
517d0d4b89 feedback on PR 2015-04-12 18:44:03 -07:00
Christopher Celio
4d6ebded02 Added assert to nbdcache 2015-04-11 02:58:34 -07:00
Christopher Celio
a564f08702 Rename dmem.sret signal to more accurate invalidate_lr 2015-04-11 02:26:33 -07:00
Christopher Celio
8fc2d38ca9 Removed unnecessary signal in CSRIO 2015-04-11 02:20:34 -07:00
Christopher Celio
2f88c5ca9d Renamed PCR to CSR 2015-04-11 02:16:44 -07:00
Christopher Celio
11dbd4221a Fixed front-end to support four-wide fetch. 2015-04-10 17:53:47 -07:00
Colin Schmidt
bd72db92c1 update rocc port to use fdiv/sqrt 2015-04-07 15:02:02 -07:00
Amirali Sharifian
879a4a0bcd Update Makefile 
Change default shell to bash shell.
 2015-04-06 15:05:43 -07:00
Colin Schmidt
887a8de189 Merge branch 'master' of github.com:ucb-bar/rocket into rocc-fpu-port 2015-04-06 13:48:44 -07:00
Henry Cook
3cf1778c92 moved ecc lib to uncore, l2 checks for partial write masks when ecc is enabled 2015-04-06 12:22:23 -07:00
Henry Cook
9708d25dff Restructure L2 state machine and utilize HeaderlessTileLinkIO 2015-04-06 12:19:51 -07:00
Andrew Waterman
9ade0e41cc Integrate divide/sqrt unit 2015-04-04 16:39:17 -07:00
Andrew Waterman
fe27b9b1b2 Support writing sstatus.fs even without an FPU 2015-04-04 15:20:18 -07:00
Andrew Waterman
bce62d5774 Update PTE format to reflect reserved bits 2015-04-04 15:19:15 -07:00
Colin Schmidt
a369d8f17f Add fpu port to the rocc interface 2015-04-02 01:30:11 -07:00
Henry Cook
ced627f00a slight mod to pending_puts 
cleaner state transition logic
 2015-04-01 15:24:53 -07:00
Andrew Waterman
c941f0a68e New virtual memory implementation (Sv39) 2015-03-27 16:21:29 -07:00
Andrew Waterman
d912ea265e New virtual memory implementation (Sv39) 2015-03-27 16:20:59 -07:00
Henry Cook
8959b2e81a TileLinkEnqueuer 2015-03-26 13:29:52 -07:00
Henry Cook
b7af610569 broadcast hub bugfix 2015-03-26 11:29:04 -07:00
Henry Cook
4176edaa34 clean up tracker allocation 2015-03-26 10:17:51 -07:00
Andrew Waterman
faada5f110 Mask off LSBs of sepc/mepc/stvec 
Therefore, they cannot generate misaligned instruction exceptions.
When a misaligned instruction exception does occur, mbadaddr
retains the misaligned PC bits, so no information is actually lost.
 2015-03-25 00:20:58 -07:00
Andrew Waterman
543ac91cf2 Misaligned fetches can't happen at the I$ anymore 
They are caught before the I$ ever sees them, so leverage that fact.
 2015-03-24 23:55:43 -07:00
Andrew Waterman
90b31586ff Misc. CSR fixes/improvements 
- Support RV32 mstatus register
- Don't ignore mstatus.stie bit
- Support custom M-mode R/W CSRs for Raven chip
 2015-03-24 23:50:18 -07:00
Andrew Waterman
822698b567 support disabling supervisor mode (via UseVM parameter) 2015-03-24 19:32:45 -07:00