Commit Graph

640 Commits

Author SHA1 Message Date
Dolu1990 31a464ffdc VexRiscv now pass Riscv-test compressed stuff 2018-03-21 20:50:07 +01:00
Dolu1990 af638e7bde RV32IC is passing some of the compressed Riscv-test tests 2018-03-21 20:30:09 +01:00
Dolu1990 f872d599e2 Add decodePcGen 2018-03-20 18:34:36 +01:00
Dolu1990 1fb138de1f IBusSimplePlugin fully functional Need to restore branch prediction 2018-03-20 00:01:28 +01:00
Dolu1990 ac74fb9ce8 iBusSimplePlugin done, DebugPlugin need minor rework 2018-03-18 13:21:21 +01:00
Dolu1990 64022557bf Add synthesis attribut to the PcManagerSimplePlugin to optimize the pc calculation for vhdl 2018-03-15 18:56:25 +01:00
Dolu1990 63c1b738ff Add synthesis attribut to the PcManagerSimplePlugin to optimize the pc calculation inferation timings 2018-03-14 00:56:23 +01:00
Dolu1990 d9b7426cde undo InOutWrapper from Murax 2018-03-14 00:47:23 +01:00
Dolu1990 91031f8d75 DivPlugin is now based MulDivIterativePlugin (Smaller) 2018-03-10 13:31:35 +01:00
Dolu1990 e437a1d44e Add division support in the MulDivInterativePlugin 2018-03-09 22:41:47 +01:00
Dolu1990 36438bd306 iterative mul improvments 2018-03-09 20:00:50 +01:00
Dolu1990 674ab2c594 experimental iterative mul/div combo 2018-03-09 19:07:26 +01:00
Dolu1990 5228a53293 MuraxSim improve simulation Speed 2018-03-06 12:20:39 +01:00
Dolu1990 9b2cd7b234 MuraxSim add switch 2018-03-06 12:17:15 +01:00
Dolu1990 53970dd284 SpinalHDL 1.1.4
Now the CsrPlugin is waiting that the memory/writeback stages are empty before reading/writing things
2018-03-05 14:34:59 +01:00
Dolu1990 ccad64def5 Pipeline CSR isWrite 2018-02-26 10:19:33 +01:00
Dolu1990 2b6185b063 Decoding logic : Add primes duplication removal 2018-02-25 08:57:31 +01:00
Dolu1990 2b6f43cef8 Fix Murax memory mapping range 2018-02-25 08:57:31 +01:00
Dolu1990 5260ad5c35 Decoding lib cleaning 2018-02-25 08:57:31 +01:00
Dolu1990 137b1ee32c Briey testbench, fix io_coreInterrupt to zero to avoid external interrupt set by random boots values 2018-02-22 22:36:13 +01:00
Dolu1990 d957934949 Fix ICache exception priority over miss reload 2018-02-19 22:44:46 +01:00
Dolu1990 d0e963559a Update readme with the new ICache implementation 2018-02-18 23:48:11 +01:00
Dolu1990 93110d3b95 Add jump priority managment in PcPlugins 2018-02-16 14:27:20 +01:00
Dolu1990 506e0e3f60 New faster/smaller/multi way instruction cache design.
Single or dual stage
2018-02-16 02:21:08 +01:00
Dolu1990 3853e0313b SynthesisBench cleaning/experiments 2018-02-11 14:53:42 +01:00
Dolu1990 0e6ae682b1 Add architecture section describing plugins in the readme 2018-02-09 00:44:27 +01:00
Dolu1990 57ebfee2e6 Add more axi bridges 2018-02-08 21:39:22 +01:00
Dolu1990 3ee111e100 Update readme (gcc stuff) 2018-02-05 16:34:10 +01:00
Dolu1990 d4b05ea365 Remap Briey/Murax onChipRam to 0x80000000 to avoid having memory at the null pointer location
Commit missing file
Update dhrystone hex to use GP. 1.44 DMIPS/Mhz
2018-02-05 16:16:27 +01:00
Dolu1990 4729e46763 Add DummyFencePlugin 2018-02-03 12:28:53 +01:00
Dolu1990 f13dba847c Add custom csr gpio example 2018-02-02 11:14:55 +01:00
Dolu1990 b7d8ed8a81 Add onWrite/onRead/isWriting/isReading on the CsrPlugin 2018-02-01 21:28:28 +01:00
Dolu1990 4ee2482cbf Fix custom_csr regression against random ibus stall 2018-01-31 18:33:21 +01:00
Dolu1990 d2e5755df4 revert removed code by mistake 2018-01-31 18:29:30 +01:00
Dolu1990 30b05eaf96 Add CsrInterface to allow custom CSR addition
Add CustomCsrDemoPlugin as a show case
2018-01-31 18:13:42 +01:00
Dolu1990 bdbf6ecf17 BranchPrediction DYNAMIC_TARGET add source PC tag to only consume entries on branch instructions 2018-01-29 14:52:31 +01:00
Dolu1990 0d318ab6b9 Add DYNAMIC_TARGET branch prediction (1.41 DMIPS/Mhz)
Add longer timeouts in the regressions tests
2018-01-29 13:17:11 +01:00
Dolu1990 307c0b6bfa Now mret and ebreak are only allowed in CSR machine mode 2018-01-28 16:34:55 +01:00
Dolu1990 93da5d29bc Fix dhrystone referance log 2018-01-28 16:34:55 +01:00
Dolu1990 26732942e5 Update DMIPS/Mhz
Add cached config with maximal performance settings
FullBarrielShifterPlugin can now be configured to do everything in the execute stage
2018-01-25 01:11:57 +01:00
Dolu1990 3b3bbd48b9 SpinalHDL 1.1.3 => Now Verilog rom are emited into separated bin files 2018-01-20 18:29:33 +01:00
Dolu1990 6a521a8d13 Better MuraxSim gui
Add MuraxSim in the readme
2018-01-09 08:59:17 +01:00
Dolu1990 9a89573942 SpinalHDL 1.1.2
Add Murax setup with Mul Div Barriel
2018-01-06 22:09:42 +01:00
Dolu1990 43d3ffd685 CsrPlugin : Now wait that the whole pipeline (including writeback) is empty before executing interruptions. This make the separation between context switching clear and avoid on atomic instructions failure 2018-01-04 17:37:23 +01:00
Dolu1990 2b7465e5df Add more atomic tests (PASS) 2018-01-04 16:16:22 +01:00
Dolu1990 611f2f487f Fix DataCache atomic integration into DBusCachedPlugin
Atomic is passing basic tests
2018-01-04 15:24:00 +01:00
Dolu1990 4637e6cb48 Fix DecodingSimplePlugin model building when reinvocation is done one a preexisting opcode.
add Atomic test flow
2018-01-04 14:43:30 +01:00
Dolu1990 468dd3841e Add Atomic LR SC support to the DBusCachedPlugin via reservation entries buffer 2018-01-04 13:16:40 +01:00
Dolu1990 4ed19f2cc5 SpinalHDL 1.1.1 2017-12-30 03:36:57 +01:00
Dolu1990 0d39e38906 SpinalHDL 1.1.0 2017-12-28 13:49:39 +01:00
Dolu1990 3c0588eb4b remove MuraxSim fixed path 2017-12-19 22:33:46 +01:00
Dolu1990 7f2b2181c1 SpinalHDL 1.0.3 2017-12-19 21:21:16 +01:00
Dolu1990 37849b7a66 Spinal 1.0.2 sim update 2017-12-19 00:40:52 +01:00
Dolu1990 ebda7526b5 MuraxSim 1.0.0 2017-12-17 17:57:09 +01:00
Dolu1990 dda5372a6c Fix typo 2017-12-14 01:05:06 +01:00
Dolu1990 d6e0761065 Fix led gui refresh rate 2017-12-14 01:04:31 +01:00
Dolu1990 2259c9cb0f Add SpinalHDL sim (1.0.0) 2017-12-14 00:57:12 +01:00
Dolu1990 e1b86ea511 SpinalHDL 0.11.4 update 2017-12-01 11:19:23 +01:00
Dolu1990 586d3ed286 Update formal VexRiscv to halt on missaligned dbus 2017-11-26 15:30:48 +01:00
Dolu1990 4de0aac469 Merge branch 'formal' 2017-11-24 14:03:25 +01:00
Dolu1990 b7f4f09814 Update verilator makefiles to support the last SpinalHDL changes (process merges) 2017-11-21 23:56:46 +01:00
Dolu1990 9b9bbaa4ad Add missing full config for the iBus 2017-11-21 00:09:02 +01:00
Dolu1990 ce6fd6d0aa Add VexRiscvAxi4 demo 2017-11-20 23:57:37 +01:00
Dolu1990 7c19288648 Update Synthesis bench
Update some synthesis results
2017-11-17 20:10:46 +01:00
Tony Kao 290dbc106e Fixes GPIO width mismatch
Adds explicit type to apbDecoder.slave to suppress IDE errors
2017-11-16 15:02:13 -05:00
Dolu1990 6c3fed3505 SpinalHDL 0.11.1 2017-11-15 16:44:42 +01:00
Dolu1990 be3d301eaf Merge remote-tracking branch 'origin/spinalhdl_reworkDev' 2017-11-12 13:08:05 +01:00
Dolu1990 838c13d68b spinal.core.internals literals import 2017-11-10 13:14:30 +01:00
Dolu1990 3060296b94 unsetRegIfNoAssignement -> allowUnsetRegToAvoidLatch 2017-11-10 11:33:04 +01:00
Dolu1990 c3a7f4e58c CSR unsetRegIfNoAssignement fix
BranchPlugin doesn't emit the prediction cache when the STATIC setup is used
2017-11-10 00:59:31 +01:00
Dolu1990 d6777ae8ec usetRegIfNoAssign upgrade 2017-11-09 20:10:56 +01:00
Dolu1990 a72c7fd0d1 Clean Murax toplevel by extracting integrated Area into dedicated components located in MuraxUtiles.scala 2017-11-07 22:19:33 +01:00
Dolu1990 714d44d248 Add fixed bug into the FormalPlugin comments 2017-11-07 13:54:07 +01:00
Dolu1990 200a73bea0 Fix FormalPlugin to pass liveness again. 2017-11-06 23:04:33 +01:00
Dolu1990 8098a03a9b with no bus stall, pass all tests except uniqueness 2017-11-06 20:26:45 +01:00
Dolu1990 e2a432eb5e add HaltOnExceptionPlugin
wip
2017-11-05 20:13:27 +01:00
Dolu1990 276f7895e7 Add FormalPlugin
Add FormalSimple CPU configuration
2017-11-04 00:55:32 +01:00
Dolu1990 ba42f71813 pass VexRiscv regressions 2017-10-30 14:29:25 +01:00
Ubuntu 008a5b7309 updated main.cpp
added missing using namespace std
2017-10-17 22:09:08 +00:00
Dolu1990 2bf7ca24f2 Add VexRiscvAvalonWithIntegratedJtag 2017-10-16 11:52:17 +02:00
Dolu1990 aa859aae6b Update framework.h
Add missing using namespace std;
2017-10-05 10:08:09 +02:00
Dolu1990 09ba7c28da Change some xx.input(REGFILE_WRITE_DATA) for xx.output(REGFILE_WRITE_DATA) 2017-08-27 15:21:44 +02:00
Dolu1990 8168c9bf3a Update simd_add makefile 2017-08-27 14:49:36 +02:00
Charles Papon 2c6889e688 Murax mainBus now handle unmapped memory access allowing the debug to access unmapped area without locking the CPU
Murax add dhrystone config
2017-08-10 22:48:00 +02:00
Charles Papon aa477b2b1c DebugPlugin now prevent the CPU catching exception when debug instruction are pushed
Fix DataCache locking when loading mem read rsp  transaction has the flag set
Briey : Now the debug module reset the whole AXI system instead of only the CPU
Now in debug, you can access unmapped memory without crashing the CPU
2017-08-10 20:56:54 +02:00
Charles Papon 1653548140 Better readme about custum instruction testing 2017-08-08 18:36:23 +02:00
Charles Papon 54b06e6438 Add SIMD_ADD regression and config (show case) 2017-08-08 18:19:02 +02:00
Charles Papon 3307d6c3b5 Briey move CPU and UART generics from to toplevel to the toplevel configuration object 2017-08-06 15:42:37 +02:00
Charles Papon 671aa5050e Move CPU and UART configs into the murax configuration object (in place of toplevel hardcoding)
Add MuraxConfig.fast
2017-08-04 14:55:54 +02:00
Charles Papon ac59eebb8d Add Murax configuration which integrate a boot programme :
Will blink led and echo UART RX to UART TX   (in the verilator sim, type some text and press enter to send UART frame to the Murax RX pin)
2017-08-03 21:58:23 +02:00
Dolu1990 58981c0e8e Add Murax fast in synthesis bench 2017-08-01 21:14:09 +02:00
Charles Papon f44b345132 Add console TX in the Murax verilator 2017-07-31 21:04:41 +02:00
Charles Papon 0c9a39d3ce Connect the UART interruption to the CPU 2017-07-31 17:20:47 +02:00
Charles Papon c16a53c388 Refractoring of some arbitration signals
Add UART into Murax
2017-07-31 13:34:25 +02:00
Dolu1990 8708d2482f Add more information about dependencies 2017-07-30 11:37:22 +02:00
Charles Papon de33128e01 Add Murax 0.55 DMIPS/Mhz 2017-07-30 02:42:14 +02:00
Charles Papon e8aa828744 PcPlugin change fastPcCalculation into relaxedPcCalculation
relaxedPcCalculation relax timings on the IBusSimple address => better FMax when the CPU is integrated into a SoC
2017-07-29 21:36:30 +02:00
Charles Papon 3b66d986a8 Fix cpu sending instruction memory request while being halted by the DebugPlugin 2017-07-29 18:20:22 +02:00
Charles Papon 43253f61c1 Update Murax info 2017-07-29 02:52:57 +02:00
Charles Papon fa887d3830 Add pipelining option (hit 60 Mhz) 2017-07-29 02:52:03 +02:00
Charles Papon 3bdf020c67 Add interrupts and timer to Murax
8KB ram is the default now
2017-07-29 01:59:17 +02:00
Charles Papon 823ac353ff Add Murax SoC (very light, work on ice40) 2017-07-28 21:25:49 +02:00
Dolu1990 1450077b70 Add Murax SoC (wip) 2017-07-28 14:16:30 +02:00
Charles Papon 493f7721cb All FreeRTOS tests are now passing 2017-07-28 00:07:51 +02:00
Charles Papon 800e9e79a5 freertos regression now include O0 and O3 for rv32i and rv32im 2017-07-27 01:23:50 +02:00
Charles Papon 6b3e2dbe7d Add FreeRTOS test regression (FREERTOS=yes)
Multithreaded regression
2017-07-26 23:38:59 +02:00
Charles Papon 10d282b2ef Add DBusSimple early injection feature (better DMIPS) 2017-07-26 23:36:25 +02:00
Charles Papon 6d117f5c81 Fix DataCache bug (interaction between the victim buffer and the memory read request in execute/memory stages)
freeRTOS pass
2017-07-23 22:58:26 +02:00
Charles Papon 9fe4e1d54d Package refractoring VexRiscv -> vexriscv Plugin -> plugin 2017-07-23 13:28:17 +02:00
Charles Papon 4b5bf7d807 Briey Area down by 10% by spliting the memory system in two (System, Debug) 2017-07-23 01:11:33 +02:00
Charles Papon 37c338ec98 Avalon add read response support.
Fix debug instruction injection and IBusSimplePlugin interraction
2017-07-21 20:39:54 +02:00
Charles Papon 54f785b1a3 Add full avalon support (pass regression) 2017-07-21 17:40:45 +02:00
Charles Papon 52f5020e64 Rename some regression commands
Add Avalon regressions (PASS)
DebugModule read response is now 1 cycle latency
2017-07-21 14:32:49 +02:00
Charles Papon 575a410786 Avalon regression (WIP) 2017-07-20 14:20:19 +02:00
Charles Papon 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
Dolu1990 8643086fc0 Add Briey area and timings into readme 2017-07-19 18:34:16 +02:00
Charles Papon 42e546ecd9 Add fullNoMmuNoCache config 2017-07-17 16:45:06 +02:00
Charles Papon fcec6cba86 revert test changes 2017-07-17 15:26:37 +02:00
Charles Papon 617861ee6c Add smallAndProductive 2017-07-17 15:25:56 +02:00
Charles Papon 99c3397243 readme, better plugin example 2017-07-17 14:19:28 +02:00
Charles Papon 84bba3adf0 REG1/REG2 refractoring RS1/RS2
Add CustomeInstruction example
2017-07-17 14:02:56 +02:00
Dolu1990 708a8f66de typo fixes 2017-07-17 14:01:35 +02:00
Dolu1990 79c2972076 Update bench config with realistic embedded CSR 2017-07-16 14:34:42 +02:00
Dolu1990 53300c4116 Add area and FMax in readme
Add Synthesis bench
2017-07-16 13:50:19 +02:00
Dolu1990 37ea699c55 Add Synthesis bench 2017-07-16 03:29:50 +02:00
Charles Papon 6930e76042 Remove mepc from smallest CSR config
Better readme
2017-07-16 00:44:23 +02:00
Charles Papon bc792a8655 Fix UartRx sim 2017-07-15 19:05:34 +02:00
Charles Papon 74becb6633 Add VexRiscvAvalon QSysify 2017-07-15 09:41:39 +02:00
Charles Papon 12d21a08e8 Add DebugPlugin avalon 2017-07-14 19:28:22 +02:00
Charles Papon d3dcfcec06 Add toAvalon bridge to cached bus
Add VexRiscvAvalon demo
2017-07-14 18:04:41 +02:00
Charles Papon f51f28164a Fix info to flush data cache
Briey sim add VGA GUI (SDL2)
Add DE0-Nano Briey support
2017-07-09 01:00:46 +02:00
Charles Papon 8d34c04425 Fix CsrPlugin case issue
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
Charles Papon e9ab3d71d5 update readme
add uart.elf binary for testing
2017-06-26 14:44:52 +02:00
Charles Papon 4d7455f9c3 add retiming to the dataCache waysHit
Add exception catches in the default briey configuration
2017-06-26 14:02:25 +02:00
Charles Papon e9e7cf9e7a Add briey tracing
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
Charles Papon edf1b4ed5a Cleaning, better jtag perf 2017-06-18 16:10:27 +02:00
Charles Papon bc90331c49 Cleaning 2017-06-15 13:54:34 +02:00
Charles Papon 88a2c4a603 Cleaning/Add documentation 2017-06-15 13:44:21 +02:00
Charles Papon 835dd4ad50 Add CSR 2017-06-15 11:16:11 +02:00
Charles Papon f8678698fc Briey improve AXI FMax
Faster debugginPlugin regression
2017-06-11 11:52:59 +02:00
Charles Papon cbc770deb3 Improve TCP sockets latency 2017-06-10 19:38:42 +02:00
Charles Papon 9b9d9e2582 Add Uart monitor in the briey testbench 2017-06-10 16:09:14 +02:00
Charles Papon 11a63491bd Add YAML feature to store CPU info 2017-06-09 16:06:18 +02:00
Charles Papon 4b9668c063 Remove speed factor overriding when Trace 2017-06-09 08:41:12 +02:00
Charles Papon f46ec583d6 Briey is now working with DataCache on FPGA 2017-06-07 23:02:34 +02:00
Dolu1990 8dcf5cf68a Add missing import in Briey testbench 2017-06-07 16:56:29 +02:00
Charles Papon 8da413dec3 Briey SoC is now working with openOCD TCP JTAG connection. (GDB OK)
Add SDRAM Verilator model
2017-06-07 04:19:35 +02:00
Charles Papon 1e18daecc0 Add ICache and DCache axi bridges functions
Add StaticMemoryTranslationPlugin
2017-06-01 17:54:56 +02:00
Charles Papon ac16558b6b Add haltItByOther
Axi4, remove some pipelining
2017-05-30 17:49:29 +02:00
Charles Papon 6b62d8da52 VexRiscv in Briey SoC is working on FPGA (including jtag debugging) 2017-05-29 21:17:14 +02:00
Charles Papon 213e154b40 Fix regression test debugPlugin bus 2017-05-28 17:41:09 +02:00
Charles Papon 8dddc7e334 GDB + openOCD successfully connect ! 2017-05-25 13:36:54 +02:00
Charles Papon 75f6b78daf OpenOCD successfuly connected to target 2017-05-24 23:53:31 +02:00
Charles Papon 1efed60307 Fix DebugPlugin
Add DebugPlugin regression (PASS)
2017-05-22 19:23:11 +02:00
Charles Papon cc875d1c0b Add TCP server socket to manage debug access from openOCD (as instance) 2017-05-22 00:42:19 +02:00
Charles Papon 5cda2632df Start implementing debugPlugin test infrastructures 2017-05-21 23:50:40 +02:00
Charles Papon 9995c5109d move tests 2017-05-21 16:53:48 +02:00
Charles Papon 6c1d953647 DebugPlugin fully implemented 2017-05-20 18:15:15 +02:00
Charles Papon 619739d33a preliminary DebugPlugin 2017-05-20 15:16:45 +02:00
Charles Papon a5364ad001 Add flush support instruction into the instruction cache 2017-05-19 11:20:33 +02:00
Charles Papon 736478ff1d CsrPlugin now catch illegal CSR access (wrong address + to low privilege level) 2017-05-09 00:40:44 +02:00
Charles Papon fe184636dd Improve CsrPlugin FMax 2017-05-08 22:59:05 +02:00
Charles Papon c69fdf7987 Add basics of the USER mode to CsrPlugin 2017-05-07 23:41:54 +02:00
Charles Papon 579e93bb5a Rename MachineCsr plugin into CsrPlugin 2017-05-07 22:26:17 +02:00
Charles Papon 392f3a7d8c Add PrivilegeService (User) (not implemented)
Split caches from their plugins file
2017-05-07 20:16:41 +02:00
Charles Papon a51c27970b Add opcode for clean/invalidate the datacache
Change mmu opcodes
2017-05-07 16:02:55 +02:00
Charles Papon 4d6a6fbb02 Fix Instruction Data cache exceptions
Pass all tests including CSR/FreeRTOS
2017-05-07 12:51:47 +02:00
Charles Papon ca1bc9cf69 DataCache plugin now support all exceptions 2017-05-07 10:44:41 +02:00
Charles Papon 5ba8ab7947 DataCache add invalidate/clean/invalidateClean on a virtual address/way 2017-05-05 00:43:41 +02:00
Charles Papon 48a5dc8e79 DCache move the exception bus outside the cache component 2017-05-04 21:01:08 +02:00
Charles Papon 534a4c3494 mmu working for instruction and data bus (both tested) 2017-05-03 18:42:54 +02:00
Charles Papon c647ef8bb6 Rework constructors 2017-05-01 20:20:21 +02:00
Charles Papon 889a040f90 Fix multi port MMU design
Change machineCSR to handle exceptions from the writeBack stage
Change the DBusCachedPlugin to emit miss exception
2017-05-01 14:29:37 +02:00
Charles Papon 2ed33106d6 MMU pass simple regression ! 2017-04-29 19:58:17 +02:00
Charles Papon 227772f19c Add miss files 2017-04-28 16:41:44 +02:00
Charles Papon 010ba568f0 MMU implemented
Datacached using MMU implemented
It compile, but nothing is tested
2017-04-28 16:41:23 +02:00
Charles Papon ba2ca77114 Two stage datacache now pass dhrystone benchmark without error 2017-04-23 23:15:38 +02:00
Charles Papon 9040326273 WIP two stage DCache, nearly passed the dhrystone benchmark 2017-04-23 18:31:16 +02:00
Charles Papon e00bf028cb Add HazardPessimisticPlugin for light and very good FMAX hazard tracking 2017-04-17 17:56:47 +02:00
Charles Papon 024e14ae58 Smaller and faster single stage instruction cache
Add fast two stage instruction cache
Remove useless address == 0 checks in the HazardPlugin
2017-04-13 18:27:03 +02:00
Charles Papon c83a157c64 IBusCachedPlugin with twoStage config is now compatible with syncronous regfile 2017-04-09 11:59:09 +02:00
Charles Papon 9a4c35d7b6 IBusCachedPlugin twoStage config fix 2017-04-08 18:34:44 +02:00
Charles Papon e3b9e671ec IBusCachedPlugin add two stage cache option for better FMax and better scaling 2017-04-08 17:42:13 +02:00
Charles Papon 5c594d6d2a IBusCachedPlugin move memory access outside the pipeline 2017-04-07 13:27:47 +02:00
Charles Papon 8f09867bda Cleaning 2017-04-07 13:09:31 +02:00
Charles Papon efb27390a7 Better IntAluPlugin
Better SrcPlugin
Better DBusCachedPlugin
2017-04-06 01:28:52 +02:00
Charles Papon 2e02a6f0e7 DBusCachedPlugin better write to read hazard logic (FMAX)
Add some TODO FMAX comments
2017-04-05 18:37:02 +02:00
Charles Papon 179e7f7b4c IBusCachedPlugin add asyncTagMemory option 2017-04-05 14:25:11 +02:00
Charles Papon 2b24cbc8e1 Add pessimistic harzard options
Add separated add/sum option in srcPlugin
2017-04-04 00:25:39 +02:00
Charles Papon acb85a1fb8 Add some decoder comments 2017-04-03 01:33:54 +02:00
Charles Papon 8ff05bd2a8 Much better decoder using Quine-Mc Cluskey 2017-04-02 21:05:25 +02:00
Charles Papon a9f7177181 Data cache pass dhrystone benchmark.
Data cache todo -> bus error handling
2017-04-01 17:06:59 +02:00
Charles Papon 2f384364d8 Data cache WIP
refractoring
2017-03-31 15:20:51 +02:00
Charles Papon 26597f78cd cleaning 2017-03-31 11:06:40 +02:00
Charles Papon 19fe998a52 Instruction cache is now able to catch bus errors 2017-03-30 17:34:24 +02:00
Charles Papon 95585b4d9a Add instruction cache plugin (tested) 2017-03-30 10:03:53 +02:00
Charles Papon 32d32845bd Add tests for iRsp, dRsp access faults 2017-03-28 20:25:58 +02:00
Charles Papon 2cb0e90077 refractoring/cleaning 2017-03-28 01:53:37 +02:00
Charles Papon 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
Charles Papon eecc1e6b18 Add MachineCsr.mbadaddr logics 2017-03-27 18:35:27 +02:00
Charles Papon 349d600182 Better readme
cleaning
2017-03-27 00:33:34 +02:00
Charles Papon 91c52f4e46 Decoder now catch illegal instructions 2017-03-26 18:02:48 +02:00
Charles Papon c5520656e5 Now able to catch missaligned instruction/data addresses
Modify arbitration with an flushAll + isFlushed
2017-03-26 17:20:07 +02:00
Charles Papon 4000191966 FreeRTOS tested
removeIt no more colapse bubbles
2017-03-25 16:44:42 +01:00
Charles Papon 9bbf3ee3e7 MachineCsr fix csr set/clear with zero
MachineCsr pass external/timer interrupts test
2017-03-24 17:40:37 +01:00
Charles Papon 72d65841d2 MachineCsr pass simple interrupt and exception tests 2017-03-23 23:12:44 +01:00
Charles Papon ed0660237f MachineCsr wireing/logic done 2017-03-23 01:00:24 +01:00
Charles Papon de4c2470c8 MachineCsr add mcycle and minstret 2017-03-22 20:38:43 +01:00
Charles Papon 94770f8e0b Add MachineCsr (untested) 2017-03-22 18:29:34 +01:00
Charles Papon e9d3977737 Add Arbitration.flushIt
Add ExceptionService
Add unremovableStage
Add MachineCsr (untested)
2017-03-21 18:40:50 +01:00
Charles Papon c49373f3d1 Fix missing JAL, JALR encoding 2017-03-21 10:29:09 +01:00
Charles Papon 787682d4f6 Add comments
Some refractoring
2017-03-20 14:49:49 +01:00
Charles Papon 51058f851e Renaming 2017-03-20 12:37:53 +01:00
Charles Papon ecf853f491 Add Static/Dynamic branch prediction 2017-03-20 12:37:20 +01:00
Charles Papon d569242124 Add Static branch prediction in decode stage 2017-03-19 23:27:35 +01:00
Charles Papon 88dee6d2bc Reduce area with reg[0] optimisation 2017-03-18 19:32:54 +01:00
Charles Papon fc1bb7249a Add trace option to regresion 2017-03-18 14:06:42 +01:00
Charles Papon 5e9da0f27a Add self checked dhrystone test 2017-03-18 12:32:14 +01:00
Charles Papon 31db6511dc Fix performance of removed instruction which halt were halting the pipeline 2017-03-18 10:51:55 +01:00
Charles Papon 20ca348707 Fix dCmd sent while the execute stage is removed
Pass dhrystone benchmark without error !
2017-03-17 21:26:42 +01:00
Charles Papon 7517ac797d Add MUL/DIV/REM support with plugins (pass Riscv-Tests) 2017-03-17 11:45:01 +01:00
Charles Papon 52a524be06 Add light shifter plugin 2017-03-16 15:11:06 +01:00
Charles Papon 401be6ca83 Reorganize project 2017-03-16 13:14:25 +01:00
Charles Papon bf5bebda08 PcManager now drive PC asyncronously (use 1 cycle less in jump)
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
Charles Papon 83232e9860 Faster pipeline arbitration logic (200 Mhz on cyclone IV c6)
Branch plugin with jump in execute or memory stages (parameter)
2017-03-15 20:02:56 +01:00
Charles Papon c6610ea454 Fix halt arbitrations 2017-03-15 17:14:58 +01:00
Charles Papon 11797fbb6e Add sim performance print 2017-03-14 23:25:04 +01:00
Charles Papon 70d910e7d7 Load/Store pass Riscv-Tests 2017-03-14 23:00:24 +01:00
Charles Papon 7065ed5d93 All base instruction pass Riscv-Test (load/store not tested) 2017-03-14 20:13:35 +01:00
Charles Papon ad6964f0bb Classify tests
Riscv-test integration wip
2017-03-14 00:42:48 +01:00
Charles Papon df99a0d963 Better decoding 2017-03-13 18:30:37 +01:00
Charles Papon e36c90af03 Add decoder bench 2017-03-13 16:17:57 +01:00
Charles Papon 9fc82c9736 Pass verilator simple literal, add, jump 2017-03-12 20:12:40 +01:00
Dolu1990 ec4837a744 wip 2017-03-12 12:39:33 +01:00
Dolu1990 cb1b73bc2b Add branch 2017-03-11 19:07:08 +01:00
Dolu1990 23abdb7f95 Add hazard tracking plugin 2017-03-11 16:45:04 +01:00
Dolu1990 e58f28bc27 Add store/load 2017-03-11 15:35:56 +01:00
Dolu1990 fcb70a333f WIP 2017-03-11 00:34:49 +01:00
Dolu1990 fc7e9a7730 wip 2017-03-09 01:07:55 +01:00
Dolu1990 130ed6345c boot 2017-03-08 22:17:48 +01:00