QEMU

• Introduction
• Constraints
• QEMU Install
• Usage
• Contribution
• Repositories Involved

Introduction

Quick Emulator (QEMU) can simulate the scenario where a kernel runs on different boards, so that the kernel no longer depends on physical development boards.

Constraints

QEMU applies only to the OpenHarmony kernel.

QEMU Install

1. Install dependencies(Ubuntu 18+)

   sudo apt install build-essential zlib1g-dev pkg-config libglib2.0-dev  binutils-dev libboost-all-dev autoconf libtool libssl-dev libpixman-1-dev virtualenv flex bison

2. Acquiring Source Code

   wget https://download.qemu.org/qemu-6.2.0.tar.xz

   or

   Download from official website: qemu-6.2.0.tar.xz

3. Compile and install

   tar -xf qemu-6.2.0.tar.xz
   cd qemu-6.2.0
   mkdir build && cd build
   ../configure --prefix=qemu_installation_path
   make -j16

   Wait for the compilation to finish and execute the installation command:

   make install

   Finally, add the installation path to the environment variable:

   vim ~/.bashrc

   Add the following command line to the last line of ~/.bashrc:

   export PATH=$PATH:qemu_installation_path

Usage

For details about the ARM architectures:

• Qemu ARM Virt HOWTO - liteos_a
• Qemu ARM Virt HOWTO - linux

For details about the Cortex-m4 architecture, see Qemu Cortex-m4 mps2-an386 HOWTO.

For details about the Cortex-m55 architecture, see Qemu Cortex-m55 mps3-an547 HOWTO.

For details about the RISC-V architecture, see Qemu RISC-V Virt HOWTO.

For details about the Xtensa architecture, see Qemu Xtensa Virt HOWTO.

For details about the C-SKY architecture, see Qemu C-SKY Virt HOWTO.

Contribution

How to involve

Commit message spec

Repositories Involved

Kernel subsystem

device_qemu

kernel_liteos_a

kernel_liteos_m