823ac353ff
Add Murax SoC (very light, work on ice40)
2017-07-28 21:25:49 +02:00
1450077b70
Add Murax SoC (wip)
2017-07-28 14:16:30 +02:00
493f7721cb
All FreeRTOS tests are now passing
2017-07-28 00:07:51 +02:00
800e9e79a5
freertos regression now include O0 and O3 for rv32i and rv32im
2017-07-27 01:23:50 +02:00
6b3e2dbe7d
Add FreeRTOS test regression (FREERTOS=yes)
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Multithreaded regression
2017-07-26 23:38:59 +02:00
10d282b2ef
Add DBusSimple early injection feature (better DMIPS)
2017-07-26 23:36:25 +02:00
6d117f5c81
Fix DataCache bug (interaction between the victim buffer and the memory read request in execute/memory stages)
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freeRTOS pass
2017-07-23 22:58:26 +02:00
9fe4e1d54d
Package refractoring VexRiscv -> vexriscv Plugin -> plugin
2017-07-23 13:28:17 +02:00
4b5bf7d807
Briey Area down by 10% by spliting the memory system in two (System, Debug)
2017-07-23 01:11:33 +02:00
37c338ec98
Avalon add read response support.
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Fix debug instruction injection and IBusSimplePlugin interraction
2017-07-21 20:39:54 +02:00
54f785b1a3
Add full avalon support (pass regression)
2017-07-21 17:40:45 +02:00
52f5020e64
Rename some regression commands
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Add Avalon regressions (PASS)
DebugModule read response is now 1 cycle latency
2017-07-21 14:32:49 +02:00
575a410786
Avalon regression (WIP)
2017-07-20 14:20:19 +02:00
570f0e1e3e
D$ remove the coupling between the mem.cmd.ready >> victim logic >> cpu halt by using halfPipe => Better practical FMax
2017-07-20 14:20:19 +02:00
8643086fc0
Add Briey area and timings into readme
2017-07-19 18:34:16 +02:00
42e546ecd9
Add fullNoMmuNoCache config
2017-07-17 16:45:06 +02:00
fcec6cba86
revert test changes
2017-07-17 15:26:37 +02:00
617861ee6c
Add smallAndProductive
2017-07-17 15:25:56 +02:00
99c3397243
readme, better plugin example
2017-07-17 14:19:28 +02:00
84bba3adf0
REG1/REG2 refractoring RS1/RS2
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Add CustomeInstruction example
2017-07-17 14:02:56 +02:00
708a8f66de
typo fixes
2017-07-17 14:01:35 +02:00
79c2972076
Update bench config with realistic embedded CSR
2017-07-16 14:34:42 +02:00
53300c4116
Add area and FMax in readme
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Add Synthesis bench
2017-07-16 13:50:19 +02:00
37ea699c55
Add Synthesis bench
2017-07-16 03:29:50 +02:00
6930e76042
Remove mepc from smallest CSR config
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Better readme
2017-07-16 00:44:23 +02:00
bc792a8655
Fix UartRx sim
2017-07-15 19:05:34 +02:00
74becb6633
Add VexRiscvAvalon QSysify
2017-07-15 09:41:39 +02:00
12d21a08e8
Add DebugPlugin avalon
2017-07-14 19:28:22 +02:00
d3dcfcec06
Add toAvalon bridge to cached bus
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Add VexRiscvAvalon demo
2017-07-14 18:04:41 +02:00
f51f28164a
Fix info to flush data cache
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Briey sim add VGA GUI (SDL2)
Add DE0-Nano Briey support
2017-07-09 01:00:46 +02:00
8d34c04425
Fix CsrPlugin case issue
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Better DBusSimplePlugin FMax with catch enables
SrcPlugin can now insert SRC1 and SRC2 in the execute mode for lower area usage and combinatorial path balancing
2017-06-27 19:37:46 +02:00
e9ab3d71d5
update readme
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add uart.elf binary for testing
2017-06-26 14:44:52 +02:00
4d7455f9c3
add retiming to the dataCache waysHit
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Add exception catches in the default briey configuration
2017-06-26 14:02:25 +02:00
e9e7cf9e7a
Add briey tracing
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Better debugPlugin implementation
Fix SimpleDBus/IBus into AXI bridge (cmd transaction removing)
Add SingleInstructionLimiterPlugin for debug purposes
2017-06-24 14:09:12 +02:00
edf1b4ed5a
Cleaning, better jtag perf
2017-06-18 16:10:27 +02:00
bc90331c49
Cleaning
2017-06-15 13:54:34 +02:00
88a2c4a603
Cleaning/Add documentation
2017-06-15 13:44:21 +02:00
835dd4ad50
Add CSR
2017-06-15 11:16:11 +02:00
f8678698fc
Briey improve AXI FMax
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Faster debugginPlugin regression
2017-06-11 11:52:59 +02:00
cbc770deb3
Improve TCP sockets latency
2017-06-10 19:38:42 +02:00
9b9d9e2582
Add Uart monitor in the briey testbench
2017-06-10 16:09:14 +02:00
11a63491bd
Add YAML feature to store CPU info
2017-06-09 16:06:18 +02:00
4b9668c063
Remove speed factor overriding when Trace
2017-06-09 08:41:12 +02:00
f46ec583d6
Briey is now working with DataCache on FPGA
2017-06-07 23:02:34 +02:00
8dcf5cf68a
Add missing import in Briey testbench
2017-06-07 16:56:29 +02:00
8da413dec3
Briey SoC is now working with openOCD TCP JTAG connection. (GDB OK)
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Add SDRAM Verilator model
2017-06-07 04:19:35 +02:00
1e18daecc0
Add ICache and DCache axi bridges functions
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Add StaticMemoryTranslationPlugin
2017-06-01 17:54:56 +02:00
ac16558b6b
Add haltItByOther
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Axi4, remove some pipelining
2017-05-30 17:49:29 +02:00
6b62d8da52
VexRiscv in Briey SoC is working on FPGA (including jtag debugging)
2017-05-29 21:17:14 +02:00
213e154b40
Fix regression test debugPlugin bus
2017-05-28 17:41:09 +02:00
8dddc7e334
GDB + openOCD successfully connect !
2017-05-25 13:36:54 +02:00
75f6b78daf
OpenOCD successfuly connected to target
2017-05-24 23:53:31 +02:00
1efed60307
Fix DebugPlugin
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Add DebugPlugin regression (PASS)
2017-05-22 19:23:11 +02:00
cc875d1c0b
Add TCP server socket to manage debug access from openOCD (as instance)
2017-05-22 00:42:19 +02:00
5cda2632df
Start implementing debugPlugin test infrastructures
2017-05-21 23:50:40 +02:00
9995c5109d
move tests
2017-05-21 16:53:48 +02:00
6c1d953647
DebugPlugin fully implemented
2017-05-20 18:15:15 +02:00
619739d33a
preliminary DebugPlugin
2017-05-20 15:16:45 +02:00
a5364ad001
Add flush support instruction into the instruction cache
2017-05-19 11:20:33 +02:00
736478ff1d
CsrPlugin now catch illegal CSR access (wrong address + to low privilege level)
2017-05-09 00:40:44 +02:00
fe184636dd
Improve CsrPlugin FMax
2017-05-08 22:59:05 +02:00
c69fdf7987
Add basics of the USER mode to CsrPlugin
2017-05-07 23:41:54 +02:00
579e93bb5a
Rename MachineCsr plugin into CsrPlugin
2017-05-07 22:26:17 +02:00
392f3a7d8c
Add PrivilegeService (User) (not implemented)
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Split caches from their plugins file
2017-05-07 20:16:41 +02:00
a51c27970b
Add opcode for clean/invalidate the datacache
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Change mmu opcodes
2017-05-07 16:02:55 +02:00
4d6a6fbb02
Fix Instruction Data cache exceptions
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Pass all tests including CSR/FreeRTOS
2017-05-07 12:51:47 +02:00
ca1bc9cf69
DataCache plugin now support all exceptions
2017-05-07 10:44:41 +02:00
5ba8ab7947
DataCache add invalidate/clean/invalidateClean on a virtual address/way
2017-05-05 00:43:41 +02:00
48a5dc8e79
DCache move the exception bus outside the cache component
2017-05-04 21:01:08 +02:00
534a4c3494
mmu working for instruction and data bus (both tested)
2017-05-03 18:42:54 +02:00
c647ef8bb6
Rework constructors
2017-05-01 20:20:21 +02:00
889a040f90
Fix multi port MMU design
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Change machineCSR to handle exceptions from the writeBack stage
Change the DBusCachedPlugin to emit miss exception
2017-05-01 14:29:37 +02:00
2ed33106d6
MMU pass simple regression !
2017-04-29 19:58:17 +02:00
227772f19c
Add miss files
2017-04-28 16:41:44 +02:00
010ba568f0
MMU implemented
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Datacached using MMU implemented
It compile, but nothing is tested
2017-04-28 16:41:23 +02:00
ba2ca77114
Two stage datacache now pass dhrystone benchmark without error
2017-04-23 23:15:38 +02:00
9040326273
WIP two stage DCache, nearly passed the dhrystone benchmark
2017-04-23 18:31:16 +02:00
e00bf028cb
Add HazardPessimisticPlugin for light and very good FMAX hazard tracking
2017-04-17 17:56:47 +02:00
024e14ae58
Smaller and faster single stage instruction cache
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Add fast two stage instruction cache
Remove useless address == 0 checks in the HazardPlugin
2017-04-13 18:27:03 +02:00
c83a157c64
IBusCachedPlugin with twoStage config is now compatible with syncronous regfile
2017-04-09 11:59:09 +02:00
9a4c35d7b6
IBusCachedPlugin twoStage config fix
2017-04-08 18:34:44 +02:00
e3b9e671ec
IBusCachedPlugin add two stage cache option for better FMax and better scaling
2017-04-08 17:42:13 +02:00
5c594d6d2a
IBusCachedPlugin move memory access outside the pipeline
2017-04-07 13:27:47 +02:00
8f09867bda
Cleaning
2017-04-07 13:09:31 +02:00
efb27390a7
Better IntAluPlugin
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Better SrcPlugin
Better DBusCachedPlugin
2017-04-06 01:28:52 +02:00
2e02a6f0e7
DBusCachedPlugin better write to read hazard logic (FMAX)
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Add some TODO FMAX comments
2017-04-05 18:37:02 +02:00
179e7f7b4c
IBusCachedPlugin add asyncTagMemory option
2017-04-05 14:25:11 +02:00
2b24cbc8e1
Add pessimistic harzard options
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Add separated add/sum option in srcPlugin
2017-04-04 00:25:39 +02:00
acb85a1fb8
Add some decoder comments
2017-04-03 01:33:54 +02:00
8ff05bd2a8
Much better decoder using Quine-Mc Cluskey
2017-04-02 21:05:25 +02:00
a9f7177181
Data cache pass dhrystone benchmark.
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Data cache todo -> bus error handling
2017-04-01 17:06:59 +02:00
2f384364d8
Data cache WIP
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refractoring
2017-03-31 15:20:51 +02:00
26597f78cd
cleaning
2017-03-31 11:06:40 +02:00
19fe998a52
Instruction cache is now able to catch bus errors
2017-03-30 17:34:24 +02:00
95585b4d9a
Add instruction cache plugin (tested)
2017-03-30 10:03:53 +02:00
32d32845bd
Add tests for iRsp, dRsp access faults
2017-03-28 20:25:58 +02:00
2cb0e90077
refractoring/cleaning
2017-03-28 01:53:37 +02:00
62a55c4cf4
Add IRsp/dRsp ready + error capabilities to stall the bus and to generate access error exceptions
2017-03-28 01:24:29 +02:00
eecc1e6b18
Add MachineCsr.mbadaddr logics
2017-03-27 18:35:27 +02:00
349d600182
Better readme
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cleaning
2017-03-27 00:33:34 +02:00
91c52f4e46
Decoder now catch illegal instructions
2017-03-26 18:02:48 +02:00
c5520656e5
Now able to catch missaligned instruction/data addresses
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Modify arbitration with an flushAll + isFlushed
2017-03-26 17:20:07 +02:00
4000191966
FreeRTOS tested
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removeIt no more colapse bubbles
2017-03-25 16:44:42 +01:00
9bbf3ee3e7
MachineCsr fix csr set/clear with zero
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MachineCsr pass external/timer interrupts test
2017-03-24 17:40:37 +01:00
72d65841d2
MachineCsr pass simple interrupt and exception tests
2017-03-23 23:12:44 +01:00
ed0660237f
MachineCsr wireing/logic done
2017-03-23 01:00:24 +01:00
de4c2470c8
MachineCsr add mcycle and minstret
2017-03-22 20:38:43 +01:00
94770f8e0b
Add MachineCsr (untested)
2017-03-22 18:29:34 +01:00
e9d3977737
Add Arbitration.flushIt
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Add ExceptionService
Add unremovableStage
Add MachineCsr (untested)
2017-03-21 18:40:50 +01:00
c49373f3d1
Fix missing JAL, JALR encoding
2017-03-21 10:29:09 +01:00
787682d4f6
Add comments
...
Some refractoring
2017-03-20 14:49:49 +01:00
51058f851e
Renaming
2017-03-20 12:37:53 +01:00
ecf853f491
Add Static/Dynamic branch prediction
2017-03-20 12:37:20 +01:00
d569242124
Add Static branch prediction in decode stage
2017-03-19 23:27:35 +01:00
88dee6d2bc
Reduce area with reg[0] optimisation
2017-03-18 19:32:54 +01:00
fc1bb7249a
Add trace option to regresion
2017-03-18 14:06:42 +01:00
5e9da0f27a
Add self checked dhrystone test
2017-03-18 12:32:14 +01:00
31db6511dc
Fix performance of removed instruction which halt were halting the pipeline
2017-03-18 10:51:55 +01:00
20ca348707
Fix dCmd sent while the execute stage is removed
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Pass dhrystone benchmark without error !
2017-03-17 21:26:42 +01:00
7517ac797d
Add MUL/DIV/REM support with plugins (pass Riscv-Tests)
2017-03-17 11:45:01 +01:00
52a524be06
Add light shifter plugin
2017-03-16 15:11:06 +01:00
401be6ca83
Reorganize project
2017-03-16 13:14:25 +01:00
bf5bebda08
PcManager now drive PC asyncronously (use 1 cycle less in jump)
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Fix bypass logic when read/write r0
Disable REGFILE_WRITE_VALID in decod stage when r0 is written
2017-03-15 21:10:44 +01:00
83232e9860
Faster pipeline arbitration logic (200 Mhz on cyclone IV c6)
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Branch plugin with jump in execute or memory stages (parameter)
2017-03-15 20:02:56 +01:00
c6610ea454
Fix halt arbitrations
2017-03-15 17:14:58 +01:00
11797fbb6e
Add sim performance print
2017-03-14 23:25:04 +01:00
70d910e7d7
Load/Store pass Riscv-Tests
2017-03-14 23:00:24 +01:00
7065ed5d93
All base instruction pass Riscv-Test (load/store not tested)
2017-03-14 20:13:35 +01:00
ad6964f0bb
Classify tests
...
Riscv-test integration wip
2017-03-14 00:42:48 +01:00
df99a0d963
Better decoding
2017-03-13 18:30:37 +01:00
e36c90af03
Add decoder bench
2017-03-13 16:17:57 +01:00
9fc82c9736
Pass verilator simple literal, add, jump
2017-03-12 20:12:40 +01:00
ec4837a744
wip
2017-03-12 12:39:33 +01:00
cb1b73bc2b
Add branch
2017-03-11 19:07:08 +01:00
23abdb7f95
Add hazard tracking plugin
2017-03-11 16:45:04 +01:00
e58f28bc27
Add store/load
2017-03-11 15:35:56 +01:00
fcb70a333f
WIP
2017-03-11 00:34:49 +01:00
fc7e9a7730
wip
2017-03-09 01:07:55 +01:00
130ed6345c
boot
2017-03-08 22:17:48 +01:00
Charles Papon