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VexRiscv
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476 Commits

Author SHA1 Message Date
Dolu1990 fb9ea11a5e Allow VexRiscv to suppress the memory and the writeback stage, allowing to go downto a 2 stage CPU (FETCH_DECODE, EXECUTE) 2018-11-09 05:41:43 +01:00
Dolu1990 b12e15b112 branch/csr/muldiv minor improvments 2018-11-07 19:27:49 +01:00
Dolu1990 b7f3ee5e06 Fix CsrPlugin pipelined option 2018-11-05 16:22:41 +01:00
Dolu1990 662d76e3aa csrPlugin : avoid using ALU to get SRC1 (which was useless) 2018-11-03 11:29:30 +01:00
Dolu1990 978232fd63 Optimise div iterative plugin done signal 2018-11-03 11:12:37 +01:00
Dolu1990 c8ac214097 Optimize CSR 2018-10-28 02:18:27 +02:00
Dolu1990 51de2b5820 SimpleBusInterconnect now adapte address width 2018-10-28 02:18:08 +02:00
Dolu1990 00bf84b7f8 Add SimpleBusInterconnect 2018-10-25 23:47:05 +02:00
Dolu1990 4ed4af6a3e SrcPlugin add decodeAddSub option 2018-10-24 01:28:37 +02:00
Dolu1990 372063582c Improve CsrPlugin CombinatorialPaths 2018-10-23 19:07:08 +02:00
Dolu1990 7096c63d50 Add more SimpleBus utilies 2018-10-23 17:46:31 +02:00
Dolu1990 7c0f2dc713 Add SimpleBus object 2018-10-20 12:39:30 +02:00
Morard Dany 85e696b286 CsrPlugin : Add mtvecModeGen 2018-10-16 14:53:41 +02:00
Dolu1990 905abd5aaa Add wfiGenAsWait and wfiGenAsNop 
CsrPlugin cleaning
Much cleaning in general
Zephyr is running
 2018-10-16 13:07:30 +02:00
Dolu1990 f903df4b66 sync 2018-10-12 17:13:54 +02:00
Dolu1990 2b29690010 Clean branch plugin lsb bit calculation 
BranchPlugin doesn't try anymore to catch exception when RVC is on
 2018-10-12 12:24:52 +02:00
Dolu1990 eea92154ae fetcher force PC LSB to be zero 2018-10-12 12:02:52 +02:00
Dolu1990 0b8f6f6ed4 Fix broken C.LWSP reference_output 2018-10-12 12:02:02 +02:00
Dolu1990 594f7a8bf2 Seem to pass all risc-v compliance tests, excepted the C.LWSP which is a broken test 2018-10-11 22:19:17 +02:00
Dolu1990 8c25e73b9d Fix DIV negative values divided by zero 2018-10-11 22:18:21 +02:00
Dolu1990 c26b7e15cf BranchPlugin exceptions are now risc-v compliance alligned 2018-10-11 17:56:49 +02:00
Dolu1990 8b1a4a2717 Add RISCV compliance regression test, need to fix I-MISALIGN_JMP-01 mtval 2018-10-11 00:25:39 +02:00
Dolu1990 40d85b8c70 Add fenceiGenAsAJump into BranchPlugin 2018-10-10 21:13:21 +02:00
Dolu1990 68f1ff3222 Add CsrPlugin ebreak support 2018-10-10 19:23:04 +02:00
Dolu1990 0662cc2797 Add GenMicro experiment to reduce ice40 area usage. 
IBusSimplePlugin now require cmdFork parameters to be set (no default)
 2018-10-03 22:08:57 +02:00
Dolu1990 48bff80653 rework fetchPc to optionaly share the pcReg with the stage(1) 
IBusSimplePlugin now implement cmdForkPersistence option
 2018-10-03 16:24:10 +02:00
Dolu1990 c61f17aea3 Fetcher/IBusSimplePlugin wip 2018-10-03 01:02:22 +02:00
Dolu1990 0ada869b2d regression golden ref regfile is now sync with trl boot's random values 
wip
 2018-10-01 16:14:21 +02:00
Dolu1990 65a8d84d30 Introduce HAS_SIDE_EFFECT Stageable to solve sensitive instruction squeduling 
(uncached DBus TODO)
 2018-10-01 12:13:05 +02:00
Dolu1990 7770eefa3b wip 2018-09-30 12:57:08 +02:00
Dolu1990 39c6bc11d6 Pass basic regression again 2018-09-29 19:04:20 +02:00
Dolu1990 5ad7c39f47 wip 2018-09-29 12:04:58 +02:00
Dolu1990 37a1970ad6 wip 2018-09-28 16:02:33 +02:00
Dolu1990 9a3510f63d Map all supervisor registers 2018-09-27 19:03:57 +02:00
Dolu1990 acd1ca422a wip 2018-09-27 18:24:40 +02:00
Dolu1990 6dde73f97c Murax demo with XIP is now fully defined in SpinalHDL 2018-09-27 00:55:30 +02:00
Dolu1990 aff436ddcf Sync with SpinalHDL head 
Add mmu test into the dhrystone regression command
 2018-09-24 18:31:33 +02:00
Dolu1990 1e3b75ef1d xip typo 2018-09-23 22:06:21 +02:00
Dolu1990 86efb75f6a rework fetcher 2018-09-23 22:05:53 +02:00
Dolu1990 56fd73fbbc Add missing bin files 2018-09-23 19:26:11 +02:00
Dolu1990 bdc3246f5a Fix xip gitignore 2018-09-23 19:23:43 +02:00
Dolu1990 5024cc5616 Hardware breakpoint feature added 
Murax XIP debugging passed tests
 2018-09-20 13:11:20 +02:00
Dolu1990 ff1d1072a7 XIP is physicaly working on murax 2018-09-19 00:09:14 +02:00
Dolu1990 b51ac03a5e murax xip flash integration wip 2018-09-18 16:53:26 +02:00
Dolu1990 3e17461cc7 Add optional XIP to Murax 2018-09-16 11:00:56 +02:00
Dolu1990 d7cba38ec2 move to SpinalHDL 1.1.7, add more default value for plugins parameters 2018-09-11 16:08:28 +02:00
Dolu1990 791608f655 Move swing stuff into main test package 2018-08-29 14:55:25 +02:00
Dolu1990 0255f51cc5 Add unpipelined Wishbone support for uncached version 2018-08-24 16:41:34 +02:00
Dolu1990 7ed6835e97 Add C++ VexRiscv model to cross check the hardware simulation 2018-08-22 02:08:55 +02:00
Dolu1990 38af5dbdd5 riscv emulator WIP (RVC missing) 2018-08-21 01:03:51 +02:00
Dolu1990 dca1e5f438 revert RVC from murax 2018-08-17 23:12:45 +02:00
Dolu1990 8ebb3af4fc Merge remote-tracking branch 'origin/master' into reworkFetcher 
Conflicts:
	README.md
	src/main/scala/vexriscv/TestsWorkspace.scala
	src/test/scala/vexriscv/Play.scala
 2018-08-17 20:56:51 +02:00
Dolu1990 9c7e089329 Fix ExternalInterruptArrayPlugin CSR ids 2018-08-17 20:38:33 +02:00
Dolu1990 1d3ac7830b restore tests without CSR catch all 2018-08-17 19:33:41 +02:00
Dolu1990 330ee14a23 final fetchRework commit ? 2018-08-17 19:13:23 +02:00
Dolu1990 91773ec7d5 Sync, Seem to pass all except dynamic_o0 which is probably a freertos test setup issue 2018-08-14 11:51:53 +02:00
Dolu1990 32fe1dcbd4 Add google cloud VM regressions scripts 2018-07-07 21:47:09 +02:00
Dolu1990 3ea4f28354 wip 2018-07-07 11:39:42 +02:00
Dolu1990 9c1a8ea219 Fix EPC 
Fix Freertos binaries
wip
 2018-07-03 23:17:32 +02:00
Dolu1990 ffe5fa23f0 wip 2018-06-25 09:36:07 +02:00
Dolu1990 d73aa9ce00 rework csr exception/interrupt handeling wip 2018-06-24 00:14:55 +02:00
Dolu1990 dd47db9ad0 wip 2018-06-20 12:35:12 +02:00
Dolu1990 8886f7e6d4 test wip 2018-06-19 16:15:42 +02:00
Dolu1990 1090111a6f TestIndividual is now fully random 2018-06-15 13:00:59 +02:00
Dolu1990 b2cd8c5314 Fix exception pipelining 2018-06-15 13:00:26 +02:00
Dolu1990 83864710a3 Fix IBusCached single cycle interaction with mmu bus 
Add random test configs
 2018-06-09 08:40:19 +02:00
Dolu1990 08a1212fca Add DBus simple/cached regressions 2018-06-07 02:31:18 +02:00
Dolu1990 6bc5431fcd Add iBusCached regressions 2018-06-07 00:57:26 +02:00
Dolu1990 5e7dd02bf7 Fix relaxedPc/DYNAMIC_TARGET interaction 2018-06-06 18:30:30 +02:00
Dolu1990 dc968020c4 Fix relaxedBusCmdValid pendingCmd overflow 2018-06-06 15:20:37 +02:00
Dolu1990 7768f065e4 Add many cpu configs on regressions tests (some config are broken) 2018-06-06 02:23:07 +02:00
Dolu1990 8729530a8d Fix Dynamicfetch/!rvc config 2018-06-05 02:33:18 +02:00
Dolu1990 930563291c Allow RVC/dynamic_target/fetch bus latency > 1 all together 
Fix freeretos rvc regressions
 2018-06-05 02:21:05 +02:00
Dolu1990 702db29edd Fix dynamic prediction RVC allignement 2018-06-04 20:03:08 +02:00
Dolu1990 fc835f370e Fix DynamicPrediction with RVC missprediction between ret instruction and first instruction of the next function 2018-06-04 19:45:15 +02:00
Tom Verbeure 52f1cdbca7 Fix some missing Barriel -> barriel fixes 2018-06-03 21:46:40 -07:00
Dolu1990 9f0387350b Add Freertos RVC binaries regression 2018-06-03 17:10:58 +02:00
Tom Verbeure e9bbbb3965 BarrielShifter -> BarrelShifter 2018-06-03 07:40:11 +00:00
Dolu1990 7375855e58 DYNAMIC_PREDICTION used with RVC pass tests (1 cycle fetch) 2018-06-03 00:50:18 +02:00
Dolu1990 98b68093f4 dynamic_prediction + RVC => instruction fetch stopped midair 2018-05-28 21:28:39 +02:00
Dolu1990 863ac3f34d dynamic prediction now use history from first aligned word of the instruction instead of the last one. 2018-05-28 11:03:13 +02:00
Dolu1990 8a0c238bf3 dynamic prediction ok with rvc, todo dynamic_target with rvc 2018-05-28 10:59:22 +02:00
Tom Verbeure 0335543309 More Unrolls 2018-05-28 07:20:26 +00:00
Tom Verbeure 1613191779 Unrool -> Unroll 2018-05-28 07:18:13 +00:00
Dolu1990 7493e70265 Merge remote-tracking branch 'origin/master' into reworkFetcher 2018-05-28 09:02:30 +02:00
Dolu1990 5943ee727e Fill travis, DhrystoneBench is now a Unit test 2018-05-28 09:02:01 +02:00
Dolu1990 1752b5f184 Give name to inter stages registers 2018-05-27 23:39:49 +02:00
Dolu1990 5704f22739 wip 2018-05-27 23:33:57 +02:00
Dolu1990 346338f084 Better HexTools 2018-05-26 11:51:42 +02:00
Dolu1990 6142b04603 Move HexTools into Spinal 2018-05-26 11:43:16 +02:00
Dolu1990 c8677cca9b Better HexTools 2018-05-26 11:32:36 +02:00
Dolu1990 b0777bc646 Merge remote-tracking branch 'origin/master' into reworkFetcher 2018-05-24 14:05:35 +02:00
Dolu1990 6004dcc365 Fix typo 2018-05-24 14:04:50 +02:00
Dolu1990 9815763b7f Merge remote-tracking branch 'origin/master' into reworkFetcher 
Conflicts:
	src/main/scala/vexriscv/plugin/PcManagerSimplePlugin.scala
	src/test/cpp/regression/main.cpp
 2018-05-24 14:04:01 +02:00
Dolu1990 c4f33b30e2 Update SynthesisBench murax 2018-05-24 14:03:28 +02:00
Dolu1990 485f35a1b5 IBusCachedPlugin default is two cycle cache with single cycle ram. 2018-05-24 13:46:31 +02:00
Dolu1990 2f8ccc55b6 Fix branch plugin decode prediction exception by using the instruction decoder 2018-05-24 12:52:00 +02:00
Dolu1990 a53f8fdc35 Clean configs 2018-05-23 16:57:32 +02:00
Dolu1990 eb5bc4a791 Fix RVC decompressor (ALU immediats) 2018-05-22 17:23:20 +02:00
Dolu1990 ff760a0bf0 DYNAMIC_TARGET branch prediction back for not compressed ISA (PASS) 2018-05-21 13:45:08 +02:00
Dolu1990 7ffbfab312 Reintroduce MMU feature (pass tests) 2018-05-16 20:32:12 +02:00
Dolu1990 c8cec59f1d Update IBusCachedPlugin parameters 2018-05-16 12:11:53 +02:00
Dolu1990 3b54ecf303 Restore two cycle instruction cache features 2018-05-15 23:03:33 +02:00
Dolu1990 4e7152ae5a IcestormFlow add ultraplus support 2018-05-14 20:18:53 +02:00
Dolu1990 df3d9ccb13 rework IBusSimplePlugin parameters 2018-05-14 10:31:40 +02:00
Dolu1990 c0271d382f More assertion (csrPlugin) 2018-05-14 10:13:44 +02:00
Dolu1990 9caa7163ae IBusSimplePlugin add relaxedBusCmdValid feature 2018-05-14 10:04:19 +02:00
Dolu1990 610bd01f3b remove rspStageGen 2018-05-14 09:21:28 +02:00
Dolu1990 7b37669a0f Add exception catch to iBusSimplePLugin (pass) 2018-05-09 18:43:48 +02:00
Dolu1990 acccbf40e2 RVC debug pass tets 2018-05-09 00:28:14 +02:00
Dolu1990 0056da1342 DebugPlugin work 2018-05-08 02:01:34 +02:00
Dolu1990 e65757e34c wip before moving the fetchHalt 2018-05-06 16:38:00 +02:00
Dolu1990 294293cb70 Reintroduce debug plugin (instruction injector need optimisations) 2018-05-05 23:05:32 +02:00
Dolu1990 a50fbf0d7a Fix IBusCachedPlugin Pass all dhrystone tests 2018-04-30 13:35:17 +02:00
Dolu1990 558af595a1 Add ice40 synthesis results 2018-04-26 13:14:37 +02:00
Dolu1990 bdcf3f6234 Add HexTools and add a Briey main which load the ram 2018-04-26 10:27:39 +02:00
Dolu1990 cfc324aa0f Allow csr mtvec to not have reset values 2018-04-24 23:33:48 +02:00
Dolu1990 a9cbc48eb2 PcManagerPlugin is can now handle an external reset vector signal 2018-04-24 23:11:11 +02:00
Dolu1990 978eb9b6b2 DBusCachedPlugin add CSR info 2018-04-22 11:46:01 +02:00
Dolu1990 74f2a4194a Add ExternalInterruptArrayPlugin 2018-04-20 17:56:21 +02:00
Dolu1990 6598e82920 wishbone => word address, not byte address 2018-04-19 11:22:06 +02:00
Dolu1990 455607b6b4 Fix dBus IO access 2018-04-18 14:11:59 +02:00
Dolu1990 6e59ddcc73 Cached wishbone demo is passing regression tests 2018-04-18 13:51:33 +02:00
Dolu1990 b37fc3fcc8 Add VexRiscv Wishbone demo for sim (generation ok) 2018-04-18 12:54:20 +02:00
Dolu1990 a66efcb35b Add wishbone support for i$ / d$ (not tested) 2018-04-17 23:56:44 +02:00
Dolu1990 4440047fb6 ICache compressed is working 2018-04-16 10:34:18 +02:00
Dolu1990 76352b44fa wip 2018-04-13 12:51:27 +02:00
Dolu1990 19d5d1ecf1 wip 2018-04-09 09:18:08 +02:00
Dolu1990 4dd2997ad5 wip 2018-04-09 09:12:30 +02:00
Dolu1990 e00c0750eb wip 2018-04-03 18:37:05 +02:00
Dolu1990 d9f2e03753 statuc prediction is fully funcitonnal 2018-04-02 17:43:58 +02:00
Dolu1990 76ca852478 Static prediction is fully functionnal 2018-04-02 17:43:06 +02:00
Dolu1990 0919308a8f IBusSimplePlugin add relaxedPcCalculation 2018-03-23 22:49:32 +01:00
Dolu1990 c48c7170e8 Added many pipelining option into IBusSimplePlugin 2018-03-23 19:07:03 +01:00
Dolu1990 351ad10925 RVC Add dhrystone regressions (PASS) 2018-03-21 23:36:57 +01:00
Dolu1990 0c7c2a1fba IBusPlugin add support of bus error when using compressed instruction 2018-03-21 22:34:54 +01:00
Dolu1990 31a464ffdc VexRiscv now pass Riscv-test compressed stuff 2018-03-21 20:50:07 +01:00
Dolu1990 af638e7bde RV32IC is passing some of the compressed Riscv-test tests 2018-03-21 20:30:09 +01:00
Dolu1990 f872d599e2 Add decodePcGen 2018-03-20 18:34:36 +01:00
Dolu1990 1fb138de1f IBusSimplePlugin fully functional Need to restore branch prediction 2018-03-20 00:01:28 +01:00
Dolu1990 ac74fb9ce8 iBusSimplePlugin done, DebugPlugin need minor rework 2018-03-18 13:21:21 +01:00
Dolu1990 64022557bf Add synthesis attribut to the PcManagerSimplePlugin to optimize the pc calculation for vhdl 2018-03-15 18:56:25 +01:00
Dolu1990 63c1b738ff Add synthesis attribut to the PcManagerSimplePlugin to optimize the pc calculation inferation timings 2018-03-14 00:56:23 +01:00
Dolu1990 d9b7426cde undo InOutWrapper from Murax 2018-03-14 00:47:23 +01:00
Dolu1990 91031f8d75 DivPlugin is now based MulDivIterativePlugin (Smaller) 2018-03-10 13:31:35 +01:00
Dolu1990 e437a1d44e Add division support in the MulDivInterativePlugin 2018-03-09 22:41:47 +01:00
Dolu1990 36438bd306 iterative mul improvments 2018-03-09 20:00:50 +01:00
Dolu1990 674ab2c594 experimental iterative mul/div combo 2018-03-09 19:07:26 +01:00
Dolu1990 5228a53293 MuraxSim improve simulation Speed 2018-03-06 12:20:39 +01:00
Dolu1990 9b2cd7b234 MuraxSim add switch 2018-03-06 12:17:15 +01:00