ChangeLog/8.0: Difference between revisions

From QEMU
Line 136: Line 136:


==== Semihosting ====
==== Semihosting ====
* semihosting now has some documentation in the manual
* semihosting only supports O_BINARY mode for file operations


=== Audio ===
=== Audio ===

Revision as of 09:46, 3 February 2023

System emulation

Incompatible changes

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

Other removed features

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

  • The following CPU architecture features are now emulated:
    • FEAT_EVT
    • AArch32 ARMv8-R support
  • New emulated CPU types:
    • Cortex-A55 CPU
    • Cortex-R52 CPU

Machines

  • The cubieboard machine is now able to boot directly from an SD card image.
  • New machine types:
    • ``olimex-stm32-h405`` -- Olimex STM32 H405 board with STM32F405RGT6 microcontroller

AVR

Hexagon

HPPA

  • Implemented fid instruction (Floating-Point Identify)
  • Create illegal instruction when executing 64-bit load/save on 32-bit emulation

LoongArch

Microblaze

MIPS

Nios2

OpenRISC

PowerPC

Renesas RX

Renesas SH

RISC-V

ISA and Extensions

  • Add smstateen support
  • Support native debug icount trigger
  • Support cache-related PMU events in virtual mode
  • Add Zawrs ISA extension support

Machines

  • Bump the OpenTitan supported version
  • Add some missing PolarFire SoC io regions
  • riscv_htif: Support console output via proxy syscall

Fixes and Misc

  • Fix PMP propagation for tlb
  • Remove the redundant ipi-id property in the virt machine
  • Fix mret exception cause when no pmp rule is configured
  • Fix bug where disabling compressed instructions would crash QEMU
  • Cleanup firmware and device tree loading
  • Fix elen check when using vector extensions
  • Ensure we always follow MISA parsing
  • Fix up masking of vsip/vsie accesses
  • Trap on writes to stimecmp from VS when hvictl.VTI=1

s390x

SPARC

Tricore

x86

Xtensa

Device emulation and assignment

ACPI / SMBIOS

Audio

Block devices

Graphics

I2C

Input devices

IPMI

Multi-process QEMU

Network devices

NVDIMM

NVMe

PCI/PCIe

SCSI

SD card

SMBIOS

TPM

USB

VFIO

virtio

Xen

fw_cfg

9pfs

virtiofs

Semihosting

  • semihosting now has some documentation in the manual
  • semihosting only supports O_BINARY mode for file operations

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

Semihosting

Miscellaneous

User-mode emulation

build

binfmt_misc

Hexagon

LoongArch

Nios2

HPPA

x86

TCG backends

ARM

Guest agent

Build Information

Build Dependencies

Windows

Testing and CI

Known issues