1# vendor_ohos 2 3## Introduction 4 5The repository is mainly developed by OpenHarmony community, rather than the 6typical certain manufacturer, mainly including the development of QEMU products 7with characteristics such as graphics, soft bus, etc. 8 9## Software Architecture 10 11Graphic display product samples of virt platform supporting QEMU's ARMv7-a 12architecture, samples of virt platform supporting RISC-V architecture, 13samples of esp32 board supporting Xtensa architecture, samples of virt 14platform supporting C-SKY architecture, and samples of Cortex-M4 architecture. 15 16code path: 17 18``` 19device/qemu/ --- device_qemu repository path 20├── arm_mps2_an386 --- Cortex-M4 architecture MPS2-AN386 platform 21├── arm_virt --- ARMv7-a architecture virt platform 22├── drivers --- virt drivers 23├── riscv32_virt --- RISC-V architecture virt platform 24├── esp32 --- Xtensa architecture board 25└── SmartL_E802 --- C-SKY architecture virt platform 26vendor/ohos/ --- vendor_ohos repository path 27├── qemu_small_system_demo --- small system default demo 28├── qemu_mini_system_demo --- mini system default demo 29├── qemu_riscv_mini_system_demo --- mini system demo with riscv architecture 30├── qemu_xtensa_mini_system_demo --- mini system demo with xtensa architecture 31└── qemu_csky_mini_system_demo --- mini system demo with c-sky architecture 32``` 33 34## Installation 35 36[QEMU Install Guide](https://gitee.com/openharmony/device_qemu/blob/HEAD/README.md) 37 38## Usage 39 40Refer to involved repositories documents. 41 42## Contribution 43 44[How to involve](https://gitee.com/openharmony/docs/blob/master/en/contribute/how-to-contribute.md) 45 46[Commit message spec](https://gitee.com/openharmony/device_qemu/wikis/Commit%20message%E8%A7%84%E8%8C%83?sort_id=4042860) 47 48## Repositories Involved 49 50[device\_qemu](https://gitee.com/openharmony/device_qemu/blob/HEAD/README.md) 51 52