Commit Graph

593 Commits

Author SHA1 Message Date
Tom Verbeure 39a4aa5e26 GenMicroNoCsr: no memory stage, no write-back stage 2019-04-06 12:38:54 -07:00
Charles Papon 6df3e57843 workaround Verilator comparaison linting 2019-04-06 02:00:47 +02:00
Charles Papon 21b4ae8f2f update todo, nothing todo ? everything done ? 2019-04-06 01:42:01 +02:00
Charles Papon e7f3dd5553 Rework CsrPlugin exception delegation 2019-04-05 23:40:39 +02:00
Charles Papon ddf0f06834 Add more delegation tests
Reduce dcache test duration
2019-04-05 22:56:12 +02:00
Charles Papon acaa931e11 Rework CsrPlugin interrupt delegation 2019-04-05 22:55:42 +02:00
Charles Papon 9e72971ff0 Move user mode page fault checkes from iBus/dBus plugin into the MmuPlugin
SUM was in fact already supported
2019-04-05 21:34:44 +02:00
Charles Papon 82c894932a update todolist 2019-04-05 20:04:28 +02:00
Charles Papon aeb418a99e Add dcache tests 2019-04-05 20:03:22 +02:00
Charles Papon 5a6665e57f Fix DataCache flush on the last line 2019-04-05 20:02:57 +02:00
Charles Papon 8459d423b8 add icache flush test 2019-04-05 18:11:33 +02:00
Charles Papon 60a41bfc75 rework i$ flush 2019-04-05 18:11:10 +02:00
Charles Papon f5d4e745c7 Look like precise fence.i isn't required in practice 2019-04-05 18:08:25 +02:00
Charles Papon 446e9625af Centralised all todo in linux.scala
Sorted out fence fence.i instruction in iBus/dBus plugins.
Fixed MMU permitions while in used mode and bypassing the MMU
2019-04-05 12:17:29 +02:00
Charles Papon 888e1c0b8a Fix RVC instruction cache xtval allignement 2019-04-05 01:08:57 +02:00
Charles Papon 8e6010fd71 Got the debug plugin working with the linux config (had to disable CSR ebreak) 2019-04-05 00:25:27 +02:00
Charles Papon 4f0a02594c Change LR/SC to reserve the whole memory
Fix MPP access from other plugins
Got all the common configuration to compile and pass regression excepted the debugger one
First synthesis results
2019-04-04 20:34:35 +02:00
Charles Papon f8b438d9dc cleaning 2019-04-04 12:59:08 +02:00
Charles Papon de1c9c6fea Removing D$ reports 2019-04-03 14:47:00 +02:00
Charles Papon 3f7a859e07 Got multiway I$ D$ running linux fine. 2019-04-03 14:33:35 +02:00
Charles Papon 922c18ee49 Add data cache flush feature 2019-04-03 15:56:58 +02:00
Charles Papon 066f562c5e Got the MMU refilling itself with datacache cached memory access instead of io accesses 2019-04-03 14:32:21 +02:00
Charles Papon 8be40e637b #60 Got the new data cache design passing all tests and running linux 2019-04-02 23:44:53 +02:00
Charles Papon fd4da77084 #60 Got the new instruction cache design passing the standard regressions 2019-04-02 00:26:53 +02:00
Charles Papon bc0af02c97 #60 Got instruction cache running linux :D 2019-04-01 11:59:04 +02:00
Charles Papon 1dff9aff8a #60 Fix interrupt causing fetch privilege issues 2019-04-01 10:47:54 +02:00
Charles Papon e74a5a71eb Better simulation console integration 2019-04-01 10:31:55 +02:00
Charles Papon 369a3d0f5f #60 Sync everything, added much comment on the top of Linux.scala to help reproduce 2019-03-31 23:43:56 +02:00
Charles Papon c7314cc606 Got buildroot login, userspace, commands working
Moved location of DTB, initrd. Will move again
Added getChar SBI in emulator
Added an QEMU mode in the emulator config.h, work with qemu riscv32 virt
2019-03-31 15:17:45 +02:00
Dolu1990 de500ad8f9 Add qemu command 2019-03-30 18:29:17 +01:00
Dolu1990 9383445e0b Add a qemu option (wip) 2019-03-30 18:26:44 +01:00
Charles Papon 1a36f2689d #60 Fix software model. Forgot physical address for on RVC instruction 2019-03-30 11:24:29 +01:00
Charles Papon 29980016f3 #60 Fix instruction fetch exception PC by forcing LSB to be zero 2019-03-30 10:10:25 +01:00
Dolu1990 9fff419346 Better fix 2019-03-29 09:18:44 +01:00
Dolu1990 391cff69d3 #60 should fix the first instruction fetch privilege after interrupt 2019-03-29 09:02:44 +01:00
Dolu1990 0c48729611 Sync impact less changes (asfar i know) 2019-03-29 08:43:15 +01:00
Dolu1990 ad27007c3c DBusSimplePlugin AHB bridge add hazard checking, pass tests 2019-03-28 11:41:49 +01:00
Dolu1990 53c05c31c7 IBusSimplePlugin AHB bridge fix, pass tests 2019-03-28 10:12:42 +01:00
Dolu1990 b0522cb491 Add AhbLite3 simulation config 2019-03-28 08:32:12 +01:00
Dolu1990 9ac4998478 Fix emulator nested exception redirection privilege 2019-03-28 00:38:38 +01:00
Dolu1990 ac06111163 Fix MMU MPRV, Fix emulator nested exception 2019-03-27 22:58:30 +01:00
Dolu1990 0bed511a6c Fix cacheless LR/SC xtval, did some SRC/ADD_SUB/ALU redesign 2019-03-27 18:58:02 +01:00
Dolu1990 43c3922a3d Add prerequired stuff 2019-03-27 10:55:20 +01:00
Dolu1990 f113946e66 Added a neutral LINUX_SOC for sim purposes 2019-03-27 10:53:41 +01:00
Dolu1990 b69c474fa2 #60 user space reached
/sbin/init: error while loading shared libraries: libm.so.6: cannot stat shared object: Error 38
2019-03-27 00:26:51 +01:00
Dolu1990 7a9f7c4fb9 Untested cacheless buses to AHB bridges 2019-03-26 16:30:53 +01:00
Dolu1990 94fc2c3ecf Fix some models missmatch
Add more SBI
Add hardware LR/SC support in dbus cacheless
2019-03-26 01:25:18 +01:00
Dolu1990 1c3fd5c38b Fix mprv and add it into the softare model 2019-03-25 12:03:32 +01:00
Dolu1990 1ec11dc03d Fix mprv 2019-03-25 11:47:56 +01:00
Dolu1990 c34f5413a3 Add MMU MPRIV for easier machinemode emulation #60 2019-03-25 10:30:13 +01:00
Dolu1990 9d55283b3b Machine mode emulator 2019-03-25 02:00:19 +01:00
Dolu1990 e28702eb40 Add PlicCost test 2019-03-24 12:17:39 +01:00
Dolu1990 6c0608f0dd #60
Add LitexSoC workspace / linux loading.
Need to emulate peripherals and adapte the kernel now.
Probably also need some machine mode emulation
Software time !
2019-03-24 10:52:56 +01:00
Tom Verbeure ea62fd0e16 Same thing for DBusSimpleBus. 2019-03-23 23:36:13 +00:00
Tom Verbeure 95c3e436dc Make toPipelinedMemoryBus() just like the other busses 2019-03-23 22:32:48 +00:00
Dolu1990 0656a49332 Make xtval more compliant 2019-03-23 20:12:36 +01:00
Dolu1990 7159237104 Fix csrrs/csrrc for xip registers 2019-03-23 18:11:26 +01:00
Dolu1990 505bff6f45 CSR Plugin now implement interruptions as specified in the spec 2019-03-23 12:56:04 +01:00
Dolu1990 3652ede130 Add mdeleg tests 2019-03-23 11:41:10 +01:00
Dolu1990 9139b4d269 Restore all tests 2019-03-22 18:03:35 +01:00
Dolu1990 597336b491 MMU sum/mxr tested and ok, all seem finen 2019-03-22 17:11:55 +01:00
Dolu1990 f7b793b7bf Add SSTATUS.SUM/MXR feature, need testing 2019-03-22 15:49:36 +01:00
Dolu1990 e4cdc2397a MMU pass all test, need to and SUM and MXR and it's all ok 2019-03-22 14:52:49 +01:00
Dolu1990 2b458fc642 Added MMU superpage support, pass MMU tests 2019-03-22 12:23:47 +01:00
Dolu1990 af2acbd46e Got the new MMU design to pass simple tests #60 2019-03-22 01:10:17 +01:00
Dolu1990 ea56481ead Add supervisor CSR in the riscv golden model 2019-03-20 23:26:08 +01:00
Dolu1990 7cbe399f1f Fix some supervisor CSR access 2019-03-20 23:25:52 +01:00
Dolu1990 6f2e5a0eb7 goldenmodel Implement some of the supervisor CSR 2019-03-20 20:28:04 +01:00
Dolu1990 39b2803914 Fix some CsrPlugin flags issues 2019-03-20 20:27:47 +01:00
Dolu1990 6c2fe934fd Bring changes and fixies from @kgugala @daveshah1. Thanks guys ! 2019-03-20 16:27:35 +01:00
Dolu1990 130a69eeae Pass regressions machinemode with CSR config including Supervisor 2019-03-20 14:14:59 +01:00
Dolu1990 d205f88fb8 riscv golden model and RTL pass all current regressions
add RVC into the linux config
2019-03-20 12:17:43 +01:00
Dolu1990 3c66f7c58a goldenmodel now pass more machine mode CSR tests 2019-03-20 11:46:27 +01:00
Dolu1990 ee402ec5dc clearning 2019-03-20 01:16:39 +01:00
Dolu1990 3a38fe4130 Add mmu regresion blank project 2019-03-20 01:13:05 +01:00
Dolu1990 ccc3b63d7c Enable golden model check for all regressions
Need to implement missing CSR of the golden model
2019-03-20 01:12:03 +01:00
Dolu1990 8f22365959 Disable MMU in machine mode 2019-03-19 22:21:30 +01:00
Dolu1990 3fbc2f4458 Fix generation 2019-03-19 20:29:28 +01:00
Dolu1990 915db9d6c9 cleaning 2019-03-18 20:50:19 +01:00
Dolu1990 001ca45c57 Add cachless dBus IBus access right checks 2019-03-18 12:52:22 +01:00
Dolu1990 c490838202 Added MMU support into cacheless DBus IBus plugins (for testing purposes)
Probably full of bugs, need testing
2019-03-18 12:17:43 +01:00
Dolu1990 ffa489d211 hardware refilled MmuPlugin wip 2019-03-17 21:06:47 +01:00
Tom Verbeure b63395435f SimpleMul core. 2019-03-16 15:44:18 +00:00
Tom Verbeure 5bc53c08ce Merge branch 'master' of https://github.com/SpinalHDL/VexRiscv into MulSimple 2019-03-16 15:39:07 +00:00
Dolu1990 9a61ff8347 Merge remote-tracking branch 'origin/dev' 2019-03-10 11:14:09 +01:00
Dolu1990 bad60f39cd Fix Decoding benchmark 2019-03-10 11:12:32 +01:00
Dolu1990 434793711b fix part of #59 2019-02-26 17:26:42 +01:00
Dolu1990 e0c8ac01d2 Add custom external interrupts 2019-02-03 15:20:34 +01:00
Dolu1990 11f55359c6 IBusCache can now avoid injectorStage in singleStage mode 2019-01-30 01:37:47 +01:00
Dolu1990 56e3321394 cpp regresion now print the time of failure 2019-01-30 01:36:24 +01:00
Dolu1990 f4598fbd0a Add tightly coupled interface to the i$ 2019-01-21 23:46:18 +01:00
Dolu1990 b5caca54cd restore all feature in TestsWorkspace 2019-01-16 15:25:50 +01:00
Dolu1990 927ab6d127 Merge remote-tracking branch 'origin/master' into dev 2018-12-30 15:53:25 +01:00
Dolu1990 dd42e30c61 Merge remote-tracking branch 'origin/master' into dev 2018-12-29 14:04:07 +01:00
Dolu1990 d617bafb08 Roll back VexRiscvAvalonForSim to use caches 2018-12-25 00:15:23 +01:00
Brett Foster 961abb3cf1 Avalon: Debug Clock Domain for JTAG
This change ensures that the clock domain for the JTAG interface
uses the debug plugin's domain. Otherwise, resetting the processor
will put the jtag debugger in to reset as well.

See SpinalHDL/VexRiscv#48
2018-12-22 07:58:59 -08:00
Dolu1990 76ebfb2243 Fix machine mode to supervisor delegation 2018-12-10 13:15:03 +01:00
Dolu1990 d9029c2efc Fix #46 by filling missing return statements 2018-12-10 01:44:47 +01:00
Dolu1990 281d61bbe1 regression fix hex << dec #46 2018-12-09 16:37:16 +01:00
Dolu1990 1fbb81a4d9 regression fix delete [] #46 2018-12-09 15:40:02 +01:00
Dolu1990 f121ce1ed5 add sanity asserts in regression #46 2018-12-08 14:10:18 +01:00
Dolu1990 9330945623 fix regression makefile 2018-12-07 23:50:13 +01:00
Dolu1990 52419fd7ad Regression remove dplus stuff #46 2018-12-07 23:47:49 +01:00
Dolu1990 68fdbe60cc verilator regression fix missing fclose #46 2018-12-07 23:43:19 +01:00
Dolu1990 eca54585b0 Fix hardware breakpoint 2018-12-04 16:57:24 +01:00
Dolu1990 ac1ed40b80 Move things into SpinalHDL lib 2018-12-01 18:25:18 +01:00
Dolu1990 3d71045159 DebugPlugin doesn't require memory/writeback stage anymore 2018-12-01 18:24:33 +01:00
Dolu1990 58d7a4784d move HexTools into SpinalHDL lib 2018-11-30 17:39:33 +01:00
Dolu1990 b1b7da4f10 Rename SimpleBus into PipelinedMemoryBus
Move PipelinedMemoryBus into SpinalHDL lib
2018-11-30 17:37:17 +01:00
Dolu1990 2f6a2dfccc Add configs setup in SimpleBusInterconnect 2018-11-29 16:14:45 +01:00
Dolu1990 7075e08d9f Hazarplugin tell to branch plugin if the RS are hazardous in the execute stage 2018-11-24 13:38:54 +01:00
Dolu1990 c2b9544794 Allow iBusCached plugin to be used when no memory stage is present 2018-11-24 13:37:53 +01:00
Dolu1990 0086de9e36 Fix CsrPlugin catch illegalAccess
Add dhrystone optimized divider
cleaning
2018-11-20 19:39:17 +01:00
Dolu1990 75d4d049d7 Add shadow regfile
various cleaning
2018-11-16 17:06:11 +01:00
Dolu1990 cc48fc7403 add fenceiGenAsANop 2018-11-13 15:17:35 +01:00
Dolu1990 0d92a5e5cd Add many little options to reduce area 2018-11-12 14:14:34 +01:00
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