ChangeLog/6.2: Difference between revisions

From QEMU
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=== Arm ===
=== Arm ===


* On macOS hosts with Apple Silicon CPUs we now support the 'hvf' accelerator
* M-profile CPUs now emulate trapping on division by zero via CCR.DIV_0_TRP
* M-profile CPUs now emulate trapping on division by zero via CCR.DIV_0_TRP
* The pl011 UART model now supports sending 'break'
* The pl011 UART model now supports sending 'break'

Revision as of 12:56, 22 September 2021

System emulation

Incompatible changes

Consult the 'Removed features' page for details of suggested replacement functionality

New deprecated options and features

Consult the "Deprecated Features" chapter of the QEMU System Emulation User's Guide for further details of the deprecations and their suggested replacements.

68k

Alpha

Arm

  • On macOS hosts with Apple Silicon CPUs we now support the 'hvf' accelerator
  • M-profile CPUs now emulate trapping on division by zero via CCR.DIV_0_TRP
  • The pl011 UART model now supports sending 'break'
  • The Fujitsu A64FX processor model is now supported in TCG ('-cpu a64fx')
  • The M-profile MVE extension is now supported, and enabled in the Cortex-M55
  • The deprecated machine names 'raspi2' and 'raspi3' have been removed; use 'raspi2b' and 'raspi3b' instead
  • The 'virt' machine now supports an emulated ITS
  • New machine type: kudo-bmc

AVR

Hexagon

HPPA

Microblaze

MIPS

Nios2

OpenRISC

PowerPC

- Improved POWER10 support for the 'powernv' machine

Renesas RX

Renesas SH

RISC-V

s390x

  • Improved storage key emulation (e.g. fixed address handling, lazy storage key enablement for TCG, ...)
  • New gen16 CPU features are now enabled automatically in the latest machine type

SPARC

Tricore

x86

  • New Snowridge-v4 CPU model, with split-lock-detect feature disabled

KVM

x86_64

Xtensa

Device emulation and assignment

ACPI

Audio

Block devices

Graphics

I2C

Input devices

IPMI

Multi-process QEMU

Network devices

NVDIMM

NVMe

Emulated NVMe Controller

PCI/PCIe

SCSI

SD card

SMBIOS

TPM

USB

VFIO

virtio

Xen

fw_cfg

9pfs

virtiofs

Semihosting

Audio

Character devices

Crypto subsystem

Authorization subsystem

GUI

GDBStub

TCG Plugins

Host support

Memory backends

Migration

Monitor

QMP

HMP

Network

Block device backends and tools

Tracing

Miscellaneous

User-mode emulation

binfmt_misc

Hexagon

TCG

  • plugins now have a bool arg parsing helper and cleaned up argument syntax
  • the cache plugin is now multi-core aware

Guest agent

Build Information

Python

GIT submodules

Container Based Builds

VM Based Builds

Build Dependencies

Windows

Testing and CI

Known issues