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
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
f89ee0d422
#60 Fix MMU holding invalid tlb, while linux is assuming it isn't doing so.
2019-04-07 15:44:25 +02:00
4fd36454d7
Complain about wrong earlyBranch settings.
2019-04-06 12:58:19 -07:00
39a4aa5e26
GenMicroNoCsr: no memory stage, no write-back stage
2019-04-06 12:38:54 -07:00
6df3e57843
workaround Verilator comparaison linting
2019-04-06 02:00:47 +02:00
21b4ae8f2f
update todo, nothing todo ? everything done ?
2019-04-06 01:42:01 +02:00
e7f3dd5553
Rework CsrPlugin exception delegation
2019-04-05 23:40:39 +02:00
ddf0f06834
Add more delegation tests
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Reduce dcache test duration
2019-04-05 22:56:12 +02:00
acaa931e11
Rework CsrPlugin interrupt delegation
2019-04-05 22:55:42 +02:00
9e72971ff0
Move user mode page fault checkes from iBus/dBus plugin into the MmuPlugin
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SUM was in fact already supported
2019-04-05 21:34:44 +02:00
82c894932a
update todolist
2019-04-05 20:04:28 +02:00
aeb418a99e
Add dcache tests
2019-04-05 20:03:22 +02:00
5a6665e57f
Fix DataCache flush on the last line
2019-04-05 20:02:57 +02:00
8459d423b8
add icache flush test
2019-04-05 18:11:33 +02:00
60a41bfc75
rework i$ flush
2019-04-05 18:11:10 +02:00
f5d4e745c7
Look like precise fence.i isn't required in practice
2019-04-05 18:08:25 +02:00
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
888e1c0b8a
Fix RVC instruction cache xtval allignement
2019-04-05 01:08:57 +02:00
8e6010fd71
Got the debug plugin working with the linux config (had to disable CSR ebreak)
2019-04-05 00:25:27 +02:00
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
f8b438d9dc
cleaning
2019-04-04 12:59:08 +02:00
de1c9c6fea
Removing D$ reports
2019-04-03 14:47:00 +02:00
3f7a859e07
Got multiway I$ D$ running linux fine.
2019-04-03 14:33:35 +02:00
922c18ee49
Add data cache flush feature
2019-04-03 15:56:58 +02:00
066f562c5e
Got the MMU refilling itself with datacache cached memory access instead of io accesses
2019-04-03 14:32:21 +02:00
8be40e637b
#60 Got the new data cache design passing all tests and running linux
2019-04-02 23:44:53 +02:00
fd4da77084
#60 Got the new instruction cache design passing the standard regressions
2019-04-02 00:26:53 +02:00
bc0af02c97
#60 Got instruction cache running linux :D
2019-04-01 11:59:04 +02:00
1dff9aff8a
#60 Fix interrupt causing fetch privilege issues
2019-04-01 10:47:54 +02:00
e74a5a71eb
Better simulation console integration
2019-04-01 10:31:55 +02:00
369a3d0f5f
#60 Sync everything, added much comment on the top of Linux.scala to help reproduce
2019-03-31 23:43:56 +02:00
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
de500ad8f9
Add qemu command
2019-03-30 18:29:17 +01:00
9383445e0b
Add a qemu option (wip)
2019-03-30 18:26:44 +01:00
1a36f2689d
#60 Fix software model. Forgot physical address for on RVC instruction
2019-03-30 11:24:29 +01:00
29980016f3
#60 Fix instruction fetch exception PC by forcing LSB to be zero
2019-03-30 10:10:25 +01:00
9fff419346
Better fix
2019-03-29 09:18:44 +01:00
391cff69d3
#60 should fix the first instruction fetch privilege after interrupt
2019-03-29 09:02:44 +01:00
0c48729611
Sync impact less changes (asfar i know)
2019-03-29 08:43:15 +01:00
ad27007c3c
DBusSimplePlugin AHB bridge add hazard checking, pass tests
2019-03-28 11:41:49 +01:00
53c05c31c7
IBusSimplePlugin AHB bridge fix, pass tests
2019-03-28 10:12:42 +01:00
b0522cb491
Add AhbLite3 simulation config
2019-03-28 08:32:12 +01:00
9ac4998478
Fix emulator nested exception redirection privilege
2019-03-28 00:38:38 +01:00
ac06111163
Fix MMU MPRV, Fix emulator nested exception
2019-03-27 22:58:30 +01:00
0bed511a6c
Fix cacheless LR/SC xtval, did some SRC/ADD_SUB/ALU redesign
2019-03-27 18:58:02 +01:00
43c3922a3d
Add prerequired stuff
2019-03-27 10:55:20 +01:00
f113946e66
Added a neutral LINUX_SOC for sim purposes
2019-03-27 10:53:41 +01:00
b69c474fa2
#60 user space reached
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/sbin/init: error while loading shared libraries: libm.so.6: cannot stat shared object: Error 38
2019-03-27 00:26:51 +01:00
7a9f7c4fb9
Untested cacheless buses to AHB bridges
2019-03-26 16:30:53 +01:00
94fc2c3ecf
Fix some models missmatch
...
Add more SBI
Add hardware LR/SC support in dbus cacheless
2019-03-26 01:25:18 +01:00
1c3fd5c38b
Fix mprv and add it into the softare model
2019-03-25 12:03:32 +01:00
1ec11dc03d
Fix mprv
2019-03-25 11:47:56 +01:00
c34f5413a3
Add MMU MPRIV for easier machinemode emulation #60
2019-03-25 10:30:13 +01:00
9d55283b3b
Machine mode emulator
2019-03-25 02:00:19 +01:00
e28702eb40
Add PlicCost test
2019-03-24 12:17:39 +01:00
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
ea62fd0e16
Same thing for DBusSimpleBus.
2019-03-23 23:36:13 +00:00
95c3e436dc
Make toPipelinedMemoryBus() just like the other busses
2019-03-23 22:32:48 +00:00
0656a49332
Make xtval more compliant
2019-03-23 20:12:36 +01:00
7159237104
Fix csrrs/csrrc for xip registers
2019-03-23 18:11:26 +01:00
505bff6f45
CSR Plugin now implement interruptions as specified in the spec
2019-03-23 12:56:04 +01:00
3652ede130
Add mdeleg tests
2019-03-23 11:41:10 +01:00
9139b4d269
Restore all tests
2019-03-22 18:03:35 +01:00
597336b491
MMU sum/mxr tested and ok, all seem finen
2019-03-22 17:11:55 +01:00
f7b793b7bf
Add SSTATUS.SUM/MXR feature, need testing
2019-03-22 15:49:36 +01:00
e4cdc2397a
MMU pass all test, need to and SUM and MXR and it's all ok
2019-03-22 14:52:49 +01:00
2b458fc642
Added MMU superpage support, pass MMU tests
2019-03-22 12:23:47 +01:00
af2acbd46e
Got the new MMU design to pass simple tests #60
2019-03-22 01:10:17 +01:00
ea56481ead
Add supervisor CSR in the riscv golden model
2019-03-20 23:26:08 +01:00
7cbe399f1f
Fix some supervisor CSR access
2019-03-20 23:25:52 +01:00
6f2e5a0eb7
goldenmodel Implement some of the supervisor CSR
2019-03-20 20:28:04 +01:00
39b2803914
Fix some CsrPlugin flags issues
2019-03-20 20:27:47 +01:00
6c2fe934fd
Bring changes and fixies from @kgugala @daveshah1. Thanks guys !
2019-03-20 16:27:35 +01:00
130a69eeae
Pass regressions machinemode with CSR config including Supervisor
2019-03-20 14:14:59 +01:00
d205f88fb8
riscv golden model and RTL pass all current regressions
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add RVC into the linux config
2019-03-20 12:17:43 +01:00
3c66f7c58a
goldenmodel now pass more machine mode CSR tests
2019-03-20 11:46:27 +01:00
ee402ec5dc
clearning
2019-03-20 01:16:39 +01:00
3a38fe4130
Add mmu regresion blank project
2019-03-20 01:13:05 +01:00
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
8f22365959
Disable MMU in machine mode
2019-03-19 22:21:30 +01:00
3fbc2f4458
Fix generation
2019-03-19 20:29:28 +01:00
915db9d6c9
cleaning
2019-03-18 20:50:19 +01:00
001ca45c57
Add cachless dBus IBus access right checks
2019-03-18 12:52:22 +01:00
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
ffa489d211
hardware refilled MmuPlugin wip
2019-03-17 21:06:47 +01:00
b63395435f
SimpleMul core.
2019-03-16 15:44:18 +00:00
5bc53c08ce
Merge branch 'master' of https://github.com/SpinalHDL/VexRiscv into MulSimple
2019-03-16 15:39:07 +00:00
9a61ff8347
Merge remote-tracking branch 'origin/dev'
2019-03-10 11:14:09 +01:00
bad60f39cd
Fix Decoding benchmark
2019-03-10 11:12:32 +01:00
434793711b
fix part of #59
2019-02-26 17:26:42 +01:00
e0c8ac01d2
Add custom external interrupts
2019-02-03 15:20:34 +01:00
11f55359c6
IBusCache can now avoid injectorStage in singleStage mode
2019-01-30 01:37:47 +01:00
56e3321394
cpp regresion now print the time of failure
2019-01-30 01:36:24 +01:00
f4598fbd0a
Add tightly coupled interface to the i$
2019-01-21 23:46:18 +01:00
b5caca54cd
restore all feature in TestsWorkspace
2019-01-16 15:25:50 +01:00
927ab6d127
Merge remote-tracking branch 'origin/master' into dev
2018-12-30 15:53:25 +01:00
dd42e30c61
Merge remote-tracking branch 'origin/master' into dev
2018-12-29 14:04:07 +01:00
d617bafb08
Roll back VexRiscvAvalonForSim to use caches
2018-12-25 00:15:23 +01:00
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
76ebfb2243
Fix machine mode to supervisor delegation
2018-12-10 13:15:03 +01:00
d9029c2efc
Fix #46 by filling missing return statements
2018-12-10 01:44:47 +01:00
281d61bbe1
regression fix hex << dec #46
2018-12-09 16:37:16 +01:00
1fbb81a4d9
regression fix delete [] #46
2018-12-09 15:40:02 +01:00
f121ce1ed5
add sanity asserts in regression #46
2018-12-08 14:10:18 +01:00
9330945623
fix regression makefile
2018-12-07 23:50:13 +01:00
52419fd7ad
Regression remove dplus stuff #46
2018-12-07 23:47:49 +01:00
68fdbe60cc
verilator regression fix missing fclose #46
2018-12-07 23:43:19 +01:00
eca54585b0
Fix hardware breakpoint
2018-12-04 16:57:24 +01:00
ac1ed40b80
Move things into SpinalHDL lib
2018-12-01 18:25:18 +01:00
3d71045159
DebugPlugin doesn't require memory/writeback stage anymore
2018-12-01 18:24:33 +01:00
58d7a4784d
move HexTools into SpinalHDL lib
2018-11-30 17:39:33 +01:00
b1b7da4f10
Rename SimpleBus into PipelinedMemoryBus
...
Move PipelinedMemoryBus into SpinalHDL lib
2018-11-30 17:37:17 +01:00
2f6a2dfccc
Add configs setup in SimpleBusInterconnect
2018-11-29 16:14:45 +01:00
7075e08d9f
Hazarplugin tell to branch plugin if the RS are hazardous in the execute stage
2018-11-24 13:38:54 +01:00
c2b9544794
Allow iBusCached plugin to be used when no memory stage is present
2018-11-24 13:37:53 +01:00
0086de9e36
Fix CsrPlugin catch illegalAccess
...
Add dhrystone optimized divider
cleaning
2018-11-20 19:39:17 +01:00
75d4d049d7
Add shadow regfile
...
various cleaning
2018-11-16 17:06:11 +01:00
cc48fc7403
add fenceiGenAsANop
2018-11-13 15:17:35 +01:00
0d92a5e5cd
Add many little options to reduce area
2018-11-12 14:14:34 +01:00
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
b12e15b112
branch/csr/muldiv minor improvments
2018-11-07 19:27:49 +01:00
b7f3ee5e06
Fix CsrPlugin pipelined option
2018-11-05 16:22:41 +01:00
662d76e3aa
csrPlugin : avoid using ALU to get SRC1 (which was useless)
2018-11-03 11:29:30 +01:00
978232fd63
Optimise div iterative plugin done signal
2018-11-03 11:12:37 +01:00
c8ac214097
Optimize CSR
2018-10-28 02:18:27 +02:00
51de2b5820
SimpleBusInterconnect now adapte address width
2018-10-28 02:18:08 +02:00
00bf84b7f8
Add SimpleBusInterconnect
2018-10-25 23:47:05 +02:00
4ed4af6a3e
SrcPlugin add decodeAddSub option
2018-10-24 01:28:37 +02:00
372063582c
Improve CsrPlugin CombinatorialPaths
2018-10-23 19:07:08 +02:00
7096c63d50
Add more SimpleBus utilies
2018-10-23 17:46:31 +02:00
7c0f2dc713
Add SimpleBus object
2018-10-20 12:39:30 +02:00
85e696b286
CsrPlugin : Add mtvecModeGen
2018-10-16 14:53:41 +02:00
905abd5aaa
Add wfiGenAsWait and wfiGenAsNop
...
CsrPlugin cleaning
Much cleaning in general
Zephyr is running
2018-10-16 13:07:30 +02:00
f903df4b66
sync
2018-10-12 17:13:54 +02:00
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
eea92154ae
fetcher force PC LSB to be zero
2018-10-12 12:02:52 +02:00
0b8f6f6ed4
Fix broken C.LWSP reference_output
2018-10-12 12:02:02 +02:00
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
8c25e73b9d
Fix DIV negative values divided by zero
2018-10-11 22:18:21 +02:00
c26b7e15cf
BranchPlugin exceptions are now risc-v compliance alligned
2018-10-11 17:56:49 +02:00
8b1a4a2717
Add RISCV compliance regression test, need to fix I-MISALIGN_JMP-01 mtval
2018-10-11 00:25:39 +02:00
40d85b8c70
Add fenceiGenAsAJump into BranchPlugin
2018-10-10 21:13:21 +02:00
68f1ff3222
Add CsrPlugin ebreak support
2018-10-10 19:23:04 +02:00
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
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
c61f17aea3
Fetcher/IBusSimplePlugin wip
2018-10-03 01:02:22 +02:00
0ada869b2d
regression golden ref regfile is now sync with trl boot's random values
...
wip
2018-10-01 16:14:21 +02:00
65a8d84d30
Introduce HAS_SIDE_EFFECT Stageable to solve sensitive instruction squeduling
...
(uncached DBus TODO)
2018-10-01 12:13:05 +02:00
7770eefa3b
wip
2018-09-30 12:57:08 +02:00
Charles Papon
Tom Verbeure
Brett Foster
Morard Dany