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VexRiscv
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647 Commits

Author SHA1 Message Date
Charles Papon 0e0a568743 Apply DYNAMIC_TARGET correction all the time 2020-02-17 21:43:02 +01:00
Charles Papon e23295f06e Fix Fetcher pcValid pipeline 2020-02-17 19:29:41 +01:00
Charles Papon 9e75e2cb58 IBusFetcher disable pcRegReusedForSecondStage when using fetch prediction. 
Fix some fetch flush
DYNAMIC_PREDICTION start to work again
 2020-02-17 14:36:08 +01:00
Charles Papon 8be50b8e3d IBusFetcher now support proper iBusRsp.redo/flush 2020-02-17 12:50:12 +01:00
Charles Papon ebfa9e6577 Merge branch 'dev' into rework_fetch 2020-02-16 18:52:31 +01:00
Charles Papon 29f85a7ae2 Remove INSTRUCTION_READY 
Add proper Fetcher.ibusRsp.flush
prediction are disabled yet
much is broken for sure, WIP
 2020-02-16 18:44:10 +01:00
Charles Papon 3d34d754a9 Remove usages of implicit string to B/U/S 2020-02-15 10:11:00 +01:00
Charles Papon 5b8febb977 Revert "Revert "Merge branch 'master' into dev"" 
This reverts commit c01c256757.

Fix dBusCachedPlugin relaxedMemoryTranslationRegister when mmu translation is done in the execute stage
 2020-01-29 22:37:09 +01:00
Charles Papon c01c256757 Revert "Merge branch 'master' into dev" 
This reverts commit b5374433a5, reversing
changes made to f01da9c73b.
 2020-01-29 15:20:13 +01:00
Charles Papon b5374433a5 Merge branch 'master' into dev 2020-01-29 12:50:41 +01:00
sebastien-riou badc38d645 Merge remote-tracking branch 'origin/master' into arty 2020-01-17 00:54:19 +01:00
sebastien-riou 1fb1e358bb fix makefile clean target 2020-01-17 00:49:35 +01:00
sebastien-riou 97b2838d18 Murax on Digilent Arty A7-35 2020-01-16 21:58:55 +01:00
sebastien-riou de9f704de2 better pin names in scala, bootloader without magic word 2020-01-13 21:58:08 +01:00
Charles Papon f01da9c73b CsrPlugin add printCsr 2020-01-13 20:44:55 +01:00
sebastien-riou b866dcb07f XIP on Murax improvements 2020-01-12 16:08:14 +01:00
Charles Papon 4c7025b964 Fix xtval when no exception and read_only 2020-01-06 20:07:23 +01:00
Charles Papon 2a06907902 fix compilation 2019-12-24 01:09:55 +01:00
Charles Papon 3b494e97cd Moved KeepAttribute to spinal.lib 2019-12-24 00:43:36 +01:00
Charles Papon 052c8dd602 Fix inWfi naming, fix regressions 2019-12-20 00:21:55 +01:00
Charles Papon 0702f97806 CsrPlugin add wfiOutput 2019-12-19 22:55:17 +01:00
Charles Papon e25dfb4fbf CsrPlugin now make SATP write rescheduling the next instruction 2019-12-09 22:23:07 +01:00
Charles Papon 744b040c70 Sync CFU progress 2019-11-29 11:50:00 +01:00
Charles Papon 7ae218704e CsrPlugin now implement a IWake interface 
DebugPlugin now wake the CPU if a halt is asked to flush the pipeline
 2019-11-19 18:36:53 +01:00
Charles Papon 6d0d70364c Add BranchPlugin.decodeBranchSrc2 for branch target configs 2019-11-08 14:01:53 +01:00
Charles Papon 4fe7fa56c7 GenCustomInterrupt demo now enabled vectored interrupt 2019-11-07 19:55:26 +01:00
Charles Papon bb405e705b Add UserInterruptPlugin 2019-11-07 19:52:45 +01:00
Charles Papon 8839f8a8e9 Fix DBus AXI bridges from writePending counter deadlock 2019-11-03 16:45:24 +01:00
Charles Papon 2bf6a536c9 Fix DBus AXI bridges from writePending counter deadlock 2019-11-03 16:44:09 +01:00
Charles Papon bd2787b562 RegFilePlugin project X0 against boot glitches if no x0Init but zeroBoot 2019-11-01 16:24:07 +01:00
Charles Papon bb9261773b Fix MulDiveIterative plugin when RSx have hazard in the execute stage 2019-10-23 00:02:08 +02:00
Charles Papon 67028cdb48 Add Mul16Plugin to regression tests 
Fix missing MulSimplePlugin in regressions tests
 2019-10-21 12:53:53 +02:00
Charles Papon 8091a872f3 Fix muldiv plugin for CPU configs without memory/writeback stages 2019-10-21 12:53:03 +02:00
Richard Petri 2d56c6738c Multiplication Plugin using 16-bit DSPs 2019-10-20 22:24:19 +02:00
Charles Papon b4c75d4898 Merge remote-tracking branch 'origin/dev' into dev 2019-10-11 00:25:37 +02:00
Charles Papon a2b49ae000 Fix CFU arbitration, add CFU decoder, CFU now redirect custom-0 with func3 2019-10-11 00:25:22 +02:00
Charles Papon 310c325eaa IBusCached add Keep attribut on the line loader to avoid Artix7 block ram merge, but do not seem to have effect 2019-10-11 00:24:21 +02:00
Charles Papon 711eed1e77 MulPlugin add withInputBuffer feature and now use RSx instead of SRCx 2019-10-11 00:23:29 +02:00
Charles Papon 3fc0a74102 Add Keep attribut on dBusCached relaxedMemoryTranslationRegister feature 2019-10-11 00:22:44 +02:00
Charles Papon 51d22d4a8c Merge remote-tracking branch 'origin/cfu' into dev 2019-10-10 15:00:43 +02:00
Charles Papon 5df56bea79 Allow getDrivingReg to properly see i$ decode.input(INSTRUCTION) register 
(used to inject instruction from the debug plugin)
 2019-10-03 00:20:33 +02:00
Charles Papon 49944643d2 Add regression for data cache without writeback stage, seem to pass tests, including linux ones 2019-09-23 15:20:51 +02:00
Charles Papon bf82829e9e Data cache can now be used without writeback stage 2019-09-23 15:20:20 +02:00
Charles Papon ace963b542 Hazard on memory stage do not need to know if that's bypassable if the memory stage is the last one 2019-09-21 14:13:28 +02:00
Charles Papon e1795e59d5 Enable RF bypass on MUL DIV with pipeline wihout writeback/memory stages 2019-09-21 13:00:54 +02:00
Charles Papon e8236dfebe Add MulSimplePlugin regressions 2019-09-21 12:49:46 +02:00
Sean Cross b8b053e706 muldiviterative: fix build for short pipelines 
Signed-off-by: Sean Cross <sean@xobs.io>
 2019-09-20 08:36:01 +08:00
Sean Cross fdc95debef dbuscached: fix build for short pipelines 
Signed-off-by: Sean Cross <sean@xobs.io>
 2019-09-20 08:35:49 +08:00
Sean Cross 0b79c637b6 mulsimpleplugin: fix build for short pipelines 
Signed-off-by: Sean Cross <sean@xobs.io>
 2019-09-20 08:35:23 +08:00
Charles Papon 6ed41f7361 Improve CSR FMax 2019-09-16 13:53:55 +02:00