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VexRiscv
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1169 Commits

Author SHA1 Message Date
bunnie 65e6f6054b Add ASID field to SATP 
ASID field is missing from the SATP which causes compatibility
issues with Xous.

While this patch resolves the Xous issue, it has not been tested
on Linux.
 2020-10-04 15:34:58 +08:00
Dolu1990 98de02051e
Merge pull request #135 from zeldin/bigendian 
Add support for big endian byte ordering
 2020-10-01 16:43:00 +02:00
Dolu1990 9d35e75fb5
Update README.md 2020-10-01 16:41:24 +02:00
Dolu1990 3f5e771a5c dbus mmu access improvement 2020-09-17 22:06:29 +02:00
Dolu1990 de820daf74 add earlyBranch option to Smp config 2020-09-13 18:33:06 +02:00
Dolu1990 49488d19af pipeline data cache unaligned access check 2020-09-07 12:01:11 +02:00
Dolu1990 775b336ee0
Merge pull request #136 from zeldin/rv32e 
Add support for RV32E in RegFilePlugin
 2020-09-06 22:23:24 +02:00
Marcus Comstedt 8e466dd13c Add support for RV32E in RegFilePlugin 
The RV32E extension removes registers x16-x31 from the ISA.  This
is useful when compiling with -mem2reg to save on BRAMs.  On iCE40
HX8K this option saves 1285 LC:s, which also improves the routing
situation, when using -mem2reg.

Note that the illegal instruction exception required by the RV32E
specification for accesses to registers x16-x31 is not implemented.
 2020-09-06 17:05:31 +02:00
Dolu1990 4c3cad97d3 fix CfuPlugin generation 2020-09-04 10:36:12 +02:00
Marcus Comstedt c489143442 Add support for big endian byte ordering 2020-08-30 15:17:09 +02:00
Dolu1990 7dcaa0c390 VexRiscvSmpCluster now avoid useless decoder for plic/clint 2020-08-13 11:26:11 +02:00
Dolu1990 69d5ba239a Smp config now initialise regfile using logic 2020-07-28 16:15:17 +02:00
Dolu1990 cc423cbe49 Litex cluster add DMA sel feature 2020-07-21 19:42:27 +02:00
Dolu1990 15bda15bc9 Litex cluster can now set cache layout 2020-07-21 19:35:56 +02:00
Dolu1990 9f62f37538 improve LitexCluster area for single core configuration 2020-07-21 15:45:02 +02:00
Dolu1990 da666ade49 Add VexRiscvLitexSmpClusterCmdGen 2020-07-21 15:07:32 +02:00
Dolu1990 fe5401f835 BmbGenerators refractoring (bus -> ctrl) 2020-07-16 13:04:25 +02:00
Dolu1990 da73317912 Cleanup BmbGenerators 2020-07-15 20:51:46 +02:00
Dolu1990 5f0aec7570 BmbInterconnectGenerator refractoring 2020-07-15 17:03:05 +02:00
Dolu1990 4f5ba6b044 Merge branch 'bmbRework' into dev 2020-07-10 13:06:20 +02:00
Dolu1990 f6931784a5 Merge branch 'smp' into dev 2020-07-10 13:00:50 +02:00
Dolu1990 d0a572de98 Add openroad config 2020-07-08 01:37:10 +02:00
Dolu1990 32f778613f DBusCachedPlugin now support asyncTagMemory 2020-07-08 01:36:58 +02:00
Dolu1990 60ee7e2b4c Better VexRiscvSmpCluster config 2020-07-08 01:36:40 +02:00
Dolu1990 51070d0e69 Fix MmuPlugin when used in multi stage config 2020-07-05 13:17:39 +02:00
Dolu1990 06584518da Remove CsrPlugin redoInterface combinatorial depedency from execut_isStuck 2020-07-05 13:17:07 +02:00
Dolu1990 a404078117 Few fixes 2020-07-05 13:16:39 +02:00
Dolu1990 c51e25f8c4 Litex SoC add coherent DMA master 2020-07-05 13:15:44 +02:00
Dolu1990 32539dfe6d Got VexRiscvSmpLitexCluster refractoring to work 2020-06-30 22:29:33 +02:00
Dolu1990 0da94ac66f Bring back smp cluster parameters 2020-06-29 15:49:01 +02:00
Dolu1990 062509deee Update Bmb brides and comment out SmpCluster for now 2020-06-29 11:44:10 +02:00
Dolu1990 c12f9a378d Fix inv regression 2020-06-20 13:18:46 +02:00
Dolu1990 f0f2cf61da D$ inv/ack are now fragment, which ease serialisation of wider invalidations 2020-06-19 15:57:56 +02:00
Dolu1990 c18bc12cb2 Fix DebugPlugin.fromBmb 2020-06-19 15:57:21 +02:00
Dolu1990 490c1f6b02 cleanup of old todo 2020-06-19 15:56:45 +02:00
Dolu1990 b0cd88c462 SmpCluster now with proper jtag and plic 2020-06-12 16:18:41 +02:00
Dolu1990 2e8a059c77 Fix travis verilator 2020-06-07 11:33:24 +02:00
Dolu1990 cb5597818d Fix d$ generation crash 2020-06-07 11:29:07 +02:00
Dolu1990 1f9fce6388 Fix d$ uncached writes exception handeling 2020-06-06 22:12:37 +02:00
Dolu1990 760d2f74d0 Update litex cluster to implement utime 2020-06-05 13:31:24 +02:00
Dolu1990 d6455817e7 smp cluster now have 2w*4KB of d$ , no more rdtime emulation 2020-06-05 10:43:03 +02:00
Dolu1990 71760ea372 CsrPlugin now support utime csr to avoid emulation 2020-06-05 10:43:03 +02:00
Dolu1990 3dafe8708b Cfu update 2020-06-05 10:43:03 +02:00
Dolu1990 0668046407 More smp cluster profiling 2020-06-05 10:40:51 +02:00
Dolu1990 97c2dc270c Fix typo 2020-06-04 10:11:30 +02:00
Dolu1990 89c13bedbd Fix litex smp cluster sim 2020-06-03 16:31:54 +02:00
Dolu1990 73f88e47cb Fix BmbToLitexDram coherency 2020-06-03 16:31:54 +02:00
Dolu1990 db50f04653 Add litexMpCluster 2020-06-03 16:31:54 +02:00
Dolu1990 08189ee907 DebugPlugin now support Bmb 2020-06-02 19:13:55 +02:00
Dolu1990 2942d0652a fix Briey verilator 2020-06-01 11:18:25 +02:00