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
8be50b8e3d
IBusFetcher now support proper iBusRsp.redo/flush
2020-02-17 12:50:12 +01:00
ebfa9e6577
Merge branch 'dev' into rework_fetch
2020-02-16 18:52:31 +01:00
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
3d34d754a9
Remove usages of implicit string to B/U/S
2020-02-15 10:11:00 +01:00
5b8febb977
Revert "Revert "Merge branch 'master' into dev""
...
This reverts commit c01c256757
2020-01-29 22:37:09 +01:00
c01c256757
Revert "Merge branch 'master' into dev"
...
This reverts commit b5374433a5f01da9c73b
2020-01-29 15:20:13 +01:00
b5374433a5
Merge branch 'master' into dev
2020-01-29 12:50:41 +01:00
badc38d645
Merge remote-tracking branch 'origin/master' into arty
2020-01-17 00:54:19 +01:00
1fb1e358bb
fix makefile clean target
2020-01-17 00:49:35 +01:00
97b2838d18
Murax on Digilent Arty A7-35
2020-01-16 21:58:55 +01:00
de9f704de2
better pin names in scala, bootloader without magic word
2020-01-13 21:58:08 +01:00
f01da9c73b
CsrPlugin add printCsr
2020-01-13 20:44:55 +01:00
b866dcb07f
XIP on Murax improvements
2020-01-12 16:08:14 +01:00
4c7025b964
Fix xtval when no exception and read_only
2020-01-06 20:07:23 +01:00
2a06907902
fix compilation
2019-12-24 01:09:55 +01:00
3b494e97cd
Moved KeepAttribute to spinal.lib
2019-12-24 00:43:36 +01:00
052c8dd602
Fix inWfi naming, fix regressions
2019-12-20 00:21:55 +01:00
0702f97806
CsrPlugin add wfiOutput
2019-12-19 22:55:17 +01:00
e25dfb4fbf
CsrPlugin now make SATP write rescheduling the next instruction
2019-12-09 22:23:07 +01:00
744b040c70
Sync CFU progress
2019-11-29 11:50:00 +01:00
7ae218704e
CsrPlugin now implement a IWake interface
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DebugPlugin now wake the CPU if a halt is asked to flush the pipeline
2019-11-19 18:36:53 +01:00
6d0d70364c
Add BranchPlugin.decodeBranchSrc2 for branch target configs
2019-11-08 14:01:53 +01:00
4fe7fa56c7
GenCustomInterrupt demo now enabled vectored interrupt
2019-11-07 19:55:26 +01:00
bb405e705b
Add UserInterruptPlugin
2019-11-07 19:52:45 +01:00
8839f8a8e9
Fix DBus AXI bridges from writePending counter deadlock
2019-11-03 16:45:24 +01:00
2bf6a536c9
Fix DBus AXI bridges from writePending counter deadlock
2019-11-03 16:44:09 +01:00
bd2787b562
RegFilePlugin project X0 against boot glitches if no x0Init but zeroBoot
2019-11-01 16:24:07 +01:00
bb9261773b
Fix MulDiveIterative plugin when RSx have hazard in the execute stage
2019-10-23 00:02:08 +02:00
8091a872f3
Fix muldiv plugin for CPU configs without memory/writeback stages
2019-10-21 12:53:03 +02:00
2d56c6738c
Multiplication Plugin using 16-bit DSPs
2019-10-20 22:24:19 +02:00
b4c75d4898
Merge remote-tracking branch 'origin/dev' into dev
2019-10-11 00:25:37 +02:00
a2b49ae000
Fix CFU arbitration, add CFU decoder, CFU now redirect custom-0 with func3
2019-10-11 00:25:22 +02:00
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
711eed1e77
MulPlugin add withInputBuffer feature and now use RSx instead of SRCx
2019-10-11 00:23:29 +02:00
3fc0a74102
Add Keep attribut on dBusCached relaxedMemoryTranslationRegister feature
2019-10-11 00:22:44 +02:00
51d22d4a8c
Merge remote-tracking branch 'origin/cfu' into dev
2019-10-10 15:00:43 +02:00
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
bf82829e9e
Data cache can now be used without writeback stage
2019-09-23 15:20:20 +02:00
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
e1795e59d5
Enable RF bypass on MUL DIV with pipeline wihout writeback/memory stages
2019-09-21 13:00:54 +02:00
b8b053e706
muldiviterative: fix build for short pipelines
...
Signed-off-by: Sean Cross <sean@xobs.io>
2019-09-20 08:36:01 +08:00
fdc95debef
dbuscached: fix build for short pipelines
...
Signed-off-by: Sean Cross <sean@xobs.io>
2019-09-20 08:35:49 +08:00
0b79c637b6
mulsimpleplugin: fix build for short pipelines
...
Signed-off-by: Sean Cross <sean@xobs.io>
2019-09-20 08:35:23 +08:00
6ed41f7361
Improve CSR FMax
2019-09-16 13:53:55 +02:00
d94cee13f0
Add dummy decoding, exception code/tval
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Add Cpu generation code
Add support for always ready rsp
2019-09-05 19:06:28 +02:00
5ac443b745
Manage cases where a rsp buffer is required
2019-09-05 10:41:45 +02:00
6951f5b8e6
CfuPlugin addition
2019-09-05 10:41:45 +02:00
86f5af5ca9
Fix handling LiteX uart and timer.
2019-09-05 10:41:45 +02:00
8813e071bc
Add `litex` target
...
Use configuration from the `csr.h` file
generated dynamically when building a LiteX platform.
2019-09-05 10:41:45 +02:00
64a2815544
Create makefile targets
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Allow to change build target without modifiying the sources.
In order to keep compatibilty `sim` target is built by default.
2019-09-05 10:41:45 +02:00
e76435c6c6
Allow to set custom DTB/OS_CALL addresses
...
Setting those from command line during compilation allows
to create a custom setup without the need of modifying the
sources.
2019-09-05 10:41:45 +02:00
c8280a9a88
Allow to set custom RAM base address for emulator
...
This is needed when loading the emulator to RAM
with an offset.
2019-09-05 10:41:45 +02:00
b65ef189eb
sync with SpinalHDL SDRAM changes
2019-08-29 16:03:20 +02:00
5085877eed
Fix handling LiteX uart and timer.
2019-07-24 16:09:21 +02:00
6a2584b840
Add `litex` target
...
Use configuration from the `csr.h` file
generated dynamically when building a LiteX platform.
2019-07-11 15:56:48 +02:00
39c3f408e5
Create makefile targets
...
Allow to change build target without modifiying the sources.
In order to keep compatibilty `sim` target is built by default.
2019-07-11 15:50:15 +02:00
423355ecbf
Allow to set custom DTB/OS_CALL addresses
...
Setting those from command line during compilation allows
to create a custom setup without the need of modifying the
sources.
2019-07-11 14:09:06 +02:00
28a11976da
Allow to set custom RAM base address for emulator
...
This is needed when loading the emulator to RAM
with an offset.
2019-07-11 14:06:24 +02:00
a2569e76c0
Update sdram ctrl package
2019-07-08 11:23:48 +02:00
624c641af5
xip refractoring
2019-06-28 10:23:39 +02:00
9656604848
rework dynamic_target failure correction
2019-06-16 17:42:39 +02:00
60c9c094a7
Merge remote-tracking branch 'origin/rework_jump_flush' into dev
2019-06-15 18:09:38 +02:00
a3a0c402bc
Remove broken freertos test and add zephyr instead
2019-06-15 10:46:10 +02:00
617f4742cd
Fix dynamic branch prediction correction on misspredicted fetch which are done on a 32 bits instruction crossing two words in configs which have at least 2 cycle latency fetch
2019-06-14 08:13:22 +02:00
d603de1bfe
Fix recent changes
2019-06-13 16:55:24 +02:00
21ec368927
Fix DYNAMIC_TARGET by fixing decode PC updates
2019-06-11 19:56:33 +02:00
21c8933bbb
Fix DYNAMIC_TARGET prediction correction in BranchPlugin
2019-06-11 00:12:29 +02:00
5b53440d27
DYNAMIC_TARGET prediction datapath/control path are now splited
2019-06-10 22:20:32 +02:00
bd46dd88aa
Fix RVC fetcher pc branches
2019-06-10 20:48:04 +02:00
24e1e3018c
Fix exception handeling
2019-06-09 23:40:37 +02:00
5243e46ffb
Fix BranchPlugin when SRC can have hazard in execute stage
2019-06-09 20:15:36 +02:00
af0755d8cf
rework flush with flushNext and flushIt
...
static branch prediction jump do not depend on stage fireing anymore
2019-06-09 15:44:05 +02:00
357681a5c6
csrPlugin add pipelinedInterrupt, set by default
2019-06-08 22:22:16 +02:00
0df4ec45ad
Merge remote-tracking branch 'origin/master' into dev
...
# Conflicts:
# build.sbt
2019-06-05 00:35:41 +02:00
56f7c27d18
Fix WFI. Not sensitive anymore to global interrupt enables, delegation and privilege
2019-06-05 00:32:38 +02:00
38a464a829
DataCache now allocate ways randomly
2019-05-25 00:28:30 +02:00
4a40184b35
Add cache Bandwidth counter, previous commit was about random instruction cache way allocation
2019-05-25 00:22:27 +02:00
94606d38e2
Add cache bandwidth counter
2019-05-25 00:21:48 +02:00
206c7ca638
Fix Bmb datacache bridge
2019-05-24 00:22:58 +02:00
f6f94ad7c1
Fix InstructionCache Bmb bridge
2019-05-22 19:03:26 +02:00
9b49638654
Allow CsrPlugin config access
2019-05-22 17:27:47 +02:00
8abc06c8f2
Add Bmb support for i$/d$
2019-05-22 17:04:36 +02:00
49b4b61a1a
Update Bmb bridges
2019-05-20 14:14:42 +02:00
0301ced000
Fix dBusSimplePlugin to bmb bridge
2019-05-16 19:49:13 +02:00
3753f64429
Fix Bmb compilation
2019-05-13 23:44:20 +02:00
abb7bd99ab
Merge pull request #75 from SpinalHDL/dev
...
Merge dev (SpinalHDL 1.3.4)
2019-05-10 17:28:09 +02:00
db307075cf
Merge branch 'AHB' into dev
...
# Conflicts:
# src/main/scala/vexriscv/plugin/DBusSimplePlugin.scala
# src/main/scala/vexriscv/plugin/IBusSimplePlugin.scala
2019-05-07 17:21:52 +02:00
01db217ab9
Add supervisor support in the ExternalInterruptArrayPlugin
2019-05-06 16:23:43 +02:00
5f18705358
Add DBusCachedPlugin.relaxedMemoryTranslationRegister option
2019-05-05 21:19:48 +02:00
c738246610
Remove the legacy pipelining from Axi4 cacheless bridges
2019-05-01 12:03:01 +02:00
d1e215e312
caches: work without writeBack stage
...
In the case of an MMU miss, the data caches will create a retry branch port.
These currently implicitly go into the memory/writeBack stage, however
not all CPUs have this stage.
Place the retry branch port into the correct stage.
Signed-off-by: Sean Cross <sean@xobs.io>
2019-04-26 18:02:43 +08:00
b2f387ccac
MmuPlugin: fix generation without writeBack stage
...
If there is no writeBack stage, the elaboration step would hit a
NullPointerException when trying to insert into the writeBack stage.
Instead, pull from the most recent stage, which is where MMU access
should reside.
Signed-off-by: Sean Cross <sean@xobs.io>
2019-04-26 18:01:35 +08:00
d64589cc48
Add configs without memory/writeback stages in regressions
...
Add rfReadInExecute configs in regressions
Fix ShiftPluginLight and DBusSimplePlugin for configs with rfReadInExecute stage configs
2019-04-25 17:36:13 +02:00
74e5cc49f9
Add the linux config into the synthesis bench
2019-04-24 12:32:37 +02:00
a331f35724
Icestorm flow now use nextpnr
2019-04-24 12:32:24 +02:00
b654d824ad
remove DebugPlugin from linux.scala, and set static branch prediction
2019-04-23 21:55:54 +02:00
edde3e3011
Add zephyr tests
2019-04-21 02:56:44 +02:00
e47b76fa67
#60 Added automated linux regression in travis
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Fix DBusCached plugin access sharing for the MMU deadlock when exception is in the decode stage
Fix IBusSimplePlugin issues with used with non regular configs + MMU
Bring back the LinuxGen config into a light one
2019-04-19 17:35:48 +02:00
2810ff05b0
Fix emulator instruction emulation trap redirection to supervisor.
...
Impact only AMO less configs
2019-04-19 02:31:39 +02:00
b79b02152b
#60 Fix SFENCE_VMA deadlock
2019-04-18 18:33:06 +02:00
d2b324e32b
Add jtag and vhdl option
2019-04-15 11:01:51 +02:00
6f04c02cd2
TestInduvidualFeatures now use the linux config + MMU
2019-04-14 23:06:04 +02:00
8c7407967e
Fix non RVC fetcher exception PC capture
2019-04-14 23:04:30 +02:00
3301a1b364
Add CsrPlugin.userGen option which now remove privilegeReg when not set
2019-04-12 16:37:34 +02:00
d5723968da
Merge remote-tracking branch 'origin/master' into linux
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# Conflicts:
# src/main/scala/vexriscv/plugin/IBusSimplePlugin.scala
# src/test/cpp/regression/main.cpp
2019-04-12 16:26:08 +02:00
13b774b535
#69 Relax address calculation of decode branch predictor by adding KEEP synthesis attribut
2019-04-12 15:56:22 +02:00
41ff87f83b
Remove jalr from decode branch prediction missaligned inibition
2019-04-12 15:27:10 +02:00
63cd5f42af
Fix #69 discoverd fmax issue with decode stage branch predictions
2019-04-12 15:24:33 +02:00
b329ee85ad
#60 Fix missing ecallGen flag
2019-04-11 15:30:54 +02:00
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
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
6b22594961
Flush MMU line with exception on context switching instead than on cmd fire
2019-04-10 15:42:39 +02:00
d7f6c18c0a
Fix DebugPlugin -> force machine mode, force uncached memory load
2019-04-10 00:35:15 +02:00
fd42e7701e
Add hardware AMO, require AMO=yes in sim and withAmo=true in linux.scala
2019-04-09 01:22:32 +02:00
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
32921491b8
#60 Fix instruction cache refill
2019-04-08 14:24:37 +02:00
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
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
...
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
5a6665e57f
Fix DataCache flush on the last line
2019-04-05 20:02:57 +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
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
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
Charles Papon
sebastien-riou
Richard Petri
Sean Cross
Mateusz Holenko
Tom Verbeure