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changes.mady.by.user Chunyu Liao

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changes.mady.by.user Chunyu Liao

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Extension / featureRatified?

HW exists

(see also here)?

FPGA exists?SpikeQemuBinutilsGCCglibcnewlibLLVMOpenSBIFreeBSDLinuxGDB
RV32I v2.1ye.g. LowFivee.g. Rocketmainlinemainlinemainlinemainlinemainlinemainlinemainlinemainlinenot supportedmainline
RV64I v2.1ye.g. BeagleVe.g. Rocketmainlinemainlinemainlinemainlinemainlinemainlinemainlinemainlinemainlinemainline
Big-endian supporty

mainline

mainline

not supported



RV32E v1.9n




mainline

not supported
not supportednot supported
M (Multiplication and Division) v2.0ye.g. BeagleVe.g. Rocketmainlinemainlinemainlinemainlinen/an/amainlinen/an/an/a
A (Atomic) v2.1ye.g. BeagleVe.g. Rocketmainlinemainlinemainlinemainlinen/an/amainlinemainline (atomics)mainline (atomics)mainline (atomics)
F (SP float) v2.2ye.g. BeagleVe.g. Rocketmainlinemainline



mainline



D (DP float) v2.2y

mainlinemainline



mainline



RVWMO v2.0ye.g. BeagleVe.g. Rocketmainline (emulation is seq. consistent)mainline (emulation is seq. consistent)n/an/an/an/an/amainline (barriers and locks)mainline (barriers and locks)mainline (barriers and locks), but needs optimization
ABIs (ILP32, ILP32E, ILP32F, ILP32D, LP64, LP64f, LP64D, LP64Q)Documented ABIs



ilp32, ilp32f, ilp32d, ilp32q, ilp32e, lp64, lp64f, lp64d, lp64qilp32, ilp32f, ilp32d, ilp32e, lp64, lp64f, lp64dilp32, ilp32d, lp64, lp64dilp32, ilp32f, ilp32d, ilp32e, lp64, lp64f, lp64dilp32, ilp32d, lp64, lp64dn/alp64, lp64dn/a
C (compressed) v2.0y
e.g. EH2mainlinemainlinemainlinemainlinen/an/amainline
mainline

Q (QP float) v2.2y



mainline


not supported



Zifencei v2.0y
e.g. EH2mainlinemainlinemainline


not supported
mainlinemainline
Zihintpause v1.0




mainline


not supported



Zicsr v2.0y
e.g. EH2mainlinemainlinemainline


not supported
mainlinemainline
Counters v2.0n

mainlinemainline
n/an/an/amainlinemainline
mainline
Machine ISA v1.11 (CSRs, ECALL, EBREAK, MRET/SRET/URET, WFI, Reset, NMIs, PMAs, PMP)y

mainlinemainline



mainline
n/an/a
Supervisor ISA v1.11 (CSRs, SFENCE.VMA, Sv32/Sv39/Sv48)y

mainlinemainline



mainlinen/a


B (bitmanip) v0.92 (Zba, Zbb, Zbc, Zbe, Zbf, Zbk, Zbp, Zbr, Zbs)n

e.g. PR for Rocket,

EH2 (Zba, Zbb, Zbc, Zbe, Zbf, Zbp, Zbr, Zbs)


Mailpatch (Zba, Zbb, Zbs, Zbp)

PRdev branch

mainline (experimental)



K (scalar crypto)n



PRPR

MC layer PR LLVM Intrinsic PR



P (SIMD) v0.9.4n

mainline (but v0.9.2!)Mailpatch (v0.9.4)PRPR

PR



V (vector) v0.10, Vector Extension Intrinsics, Vector Calling Conventionn

z.B. Allwinner D1

(but v0.7.1)


mainlinemainline (but v0.7.1)



mainline (experimental,FP16 ABI not settled)



Ztso v0.1n







not supported



Zam v0.1n







not supported



H (hypervisor) v0.6.1n
e.g. Rocket (PR)mainlinemainlinedev branchn/an/an/a
mainline
KVM patches on LKML
Zmmul v0.1 (subset of M)













J (JIT/Java)













TEE













Snavpotn












Zfinxn

staging branchstaging branchstaging branchstaging-branch

PR



Z*inx (with new ABIs: ILP32X/LP64X)




dev: PLCTdev: PLCT






Zfh








mainline



SV57













Zce




dev: PLCTdev: PLCT






CMO / Zicmobasen












...