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Bug #3341

open

[NVMM] Support AVX (and AVX2) in VMs

Added by liweitianux almost 2 years ago.

Status:
New
Priority:
Normal
Assignee:
-
Category:
nvmm
Target version:
6.6
Start date:
02/06/2023
Due date:
% Done:

0%

Estimated time:

Description

NVMM currently only exports XSAVE to VMs, but no AVX/AVX2/AVX512 yet. However, some "modern" software require AVX to be able to run ...

To support AVX in NVMM, the FPU code must be improved/refactored first. Check NetBSD's FPU code overhaul. (also by maxv)

host# dmesg | grep Features2
Features2=0x77fafbff<SSE3,PCLMULQDQ,DTES64,MON,DS_CPL,VMX,SMX,EST,TM2,SSSE3,SDBG,FMA,CX16,xTPR,PDCM,PCID,SSE4.1,SSE4.2,x2APIC,MOVBE,POPCNT,TSCDLT,AESNI,XSAVE,AVX,F16C,RDRND>

vm# dmesg | grep Features2
Features2=0xe6da3203<SSE3,PCLMULQDQ,SSSE3,FMA,CX16,PCID,SSE4.1,SSE4.2,MOVBE,POPCNT,AESNI,XSAVE,F16C,RDRND,VMM>

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