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changes.mady.by.user Christoph Müllner

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changes.mady.by.user Christoph Müllner

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Extension / featureRatified?

HW exists

(see also here)?

FPGA exists?SpikeQemuBinutilsGCCglibcnewlibLLVMOpenSBILinuxGDB
RV32I v2.1ye.g. LowFivee.g. Rocketmainlinemainlinemainlinemainlinemainlinemainlinemainlinemainlinemainline
RV64I v2.1ye.g. BeagleVe.g. Rocketmainlinemainlinemainlinemainlinemainlinemainlinemainlinemainlinemainline
Big-endian supporty

mainline

mainline





RV32E v1.9n




mainline

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







D (DP float) v2.2y

mainlinemainline







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), but needs optimization
ABIs (ILP32, ILP32E, ILP32F, ILP32D, LP64, LP64f, LP64D, LP64Q)Documented ABIs



ilp32, ilp32d, lp64, lp64dilp32, ilp32d, lp64, lp64dilp32, ilp32d, lp64, lp64d
ilp32, ilp32d, lp64, lp64dn/an/a
C (compressed) v2.0y

mainlinemainlinemainlinemainlinen/an/amainline


Q (QP float) v2.2y











Zifencei v2.0y

mainlinemainlinemainline




mainline
Zihintpause v1.0




mainline






Zicsr v2.0y

mainlinemainlinemainline




mainline
Counters v2.0n

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

mainlinemainline





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

mainlinemainline




n/a

B (bitmanip) v0.92 (Zba, Zbb, Zbc, Zbk, Zbs)n
e.g. PR for Rocket

PRdev branch





K (scalar crypto)n



PRPR





P (SIMD) v0.9.4n

mainline (but v0.9.2!)
PRPR





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

z.B. Allwinner D1

(but v0.7.1)


mainlinemainline (but v0.7.1)



mainline (Zvlsseg API not settled, FP16 ABI not settled)


Ztso v0.1n











Zam v0.1n











H (hypervisor) v0.6.1n
e.g. Rocketmainlinemainlinedev branch



mainlineKVM 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/ILP64X)




dev: PLCTdev: PLCT





SV57












Zce




dev: PLCTdev: PLCT





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