Commit Graph

496 Commits

Author SHA1 Message Date
Charles Papon d5723968da Merge remote-tracking branch 'origin/master' into linux
# Conflicts:
#	src/main/scala/vexriscv/plugin/IBusSimplePlugin.scala
#	src/test/cpp/regression/main.cpp
2019-04-12 16:26:08 +02:00
Charles Papon 13b774b535 #69 Relax address calculation of decode branch predictor by adding KEEP synthesis attribut 2019-04-12 15:56:22 +02:00
Charles Papon 41ff87f83b Remove jalr from decode branch prediction missaligned inibition 2019-04-12 15:27:10 +02:00
Charles Papon 63cd5f42af Fix #69 discoverd fmax issue with decode stage branch predictions 2019-04-12 15:24:33 +02:00
Charles Papon b329ee85ad #60 Fix missing ecallGen flag 2019-04-11 15:30:54 +02:00
Charles Papon ece1e73547 Default linux config is now without RVC
Remove all linux usless CSR from the config
Remove verilator instruction fetch check
2019-04-11 01:18:15 +02:00
Charles Papon caa37a8028 Reduce machine mode emulator CSR requirements and emulate more CSR (in the case they aren't supporter in hardware) 2019-04-10 19:04:52 +02:00
Charles Papon 6b22594961 Flush MMU line with exception on context switching instead than on cmd fire 2019-04-10 15:42:39 +02:00
Charles Papon d7f6c18c0a Fix DebugPlugin -> force machine mode, force uncached memory load 2019-04-10 00:35:15 +02:00
Charles Papon fd42e7701e Add hardware AMO, require AMO=yes in sim and withAmo=true in linux.scala 2019-04-09 01:22:32 +02:00
Charles Papon 21cb8615fd Clean and fix things to get all the non-linux configs and machine only configs working 2019-04-08 16:06:05 +02:00
Charles Papon 32921491b8 #60 Fix instruction cache refill 2019-04-08 14:24:37 +02:00
Charles Papon fd15a938c5 #60 Fix machine mode emulator atomic emulation. Do not write regfile if the page was set as read only. 2019-04-08 13:20:56 +02:00
Charles Papon c2595273ec Add a busy flag from MMU ports
iBus/dBus now halt on MMU busy, which avoid looping forever on page fault
2019-04-08 11:38:40 +02:00
Charles Papon f89ee0d422 #60 Fix MMU holding invalid tlb, while linux is assuming it isn't doing so. 2019-04-07 15:44:25 +02:00
Tom Verbeure 4fd36454d7 Complain about wrong earlyBranch settings. 2019-04-06 12:58:19 -07:00
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 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 5a6665e57f Fix DataCache flush on the last line 2019-04-05 20:02:57 +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 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 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 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 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 7cbe399f1f Fix some supervisor CSR access 2019-03-20 23:25:52 +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 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 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 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 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