1799b5ee9Sopenharmony_ci# vendor_ohos 2799b5ee9Sopenharmony_ci 3799b5ee9Sopenharmony_ci## Introduction 4799b5ee9Sopenharmony_ci 5799b5ee9Sopenharmony_ciThe repository is mainly developed by OpenHarmony community, rather than the 6799b5ee9Sopenharmony_citypical certain manufacturer, mainly including the development of QEMU products 7799b5ee9Sopenharmony_ciwith characteristics such as graphics, soft bus, etc. 8799b5ee9Sopenharmony_ci 9799b5ee9Sopenharmony_ci## Software Architecture 10799b5ee9Sopenharmony_ci 11799b5ee9Sopenharmony_ciGraphic display product samples of virt platform supporting QEMU's ARMv7-a 12799b5ee9Sopenharmony_ciarchitecture, samples of virt platform supporting RISC-V architecture, 13799b5ee9Sopenharmony_cisamples of esp32 board supporting Xtensa architecture, samples of virt 14799b5ee9Sopenharmony_ciplatform supporting C-SKY architecture, and samples of Cortex-M4 architecture. 15799b5ee9Sopenharmony_ci 16799b5ee9Sopenharmony_cicode path: 17799b5ee9Sopenharmony_ci 18799b5ee9Sopenharmony_ci``` 19799b5ee9Sopenharmony_cidevice/qemu/ --- device_qemu repository path 20799b5ee9Sopenharmony_ci├── arm_mps2_an386 --- Cortex-M4 architecture MPS2-AN386 platform 21799b5ee9Sopenharmony_ci├── arm_virt --- ARMv7-a architecture virt platform 22799b5ee9Sopenharmony_ci├── drivers --- virt drivers 23799b5ee9Sopenharmony_ci├── riscv32_virt --- RISC-V architecture virt platform 24799b5ee9Sopenharmony_ci├── esp32 --- Xtensa architecture board 25799b5ee9Sopenharmony_ci└── SmartL_E802 --- C-SKY architecture virt platform 26799b5ee9Sopenharmony_civendor/ohos/ --- vendor_ohos repository path 27799b5ee9Sopenharmony_ci├── qemu_small_system_demo --- small system default demo 28799b5ee9Sopenharmony_ci├── qemu_mini_system_demo --- mini system default demo 29799b5ee9Sopenharmony_ci├── qemu_riscv_mini_system_demo --- mini system demo with riscv architecture 30799b5ee9Sopenharmony_ci├── qemu_xtensa_mini_system_demo --- mini system demo with xtensa architecture 31799b5ee9Sopenharmony_ci└── qemu_csky_mini_system_demo --- mini system demo with c-sky architecture 32799b5ee9Sopenharmony_ci``` 33799b5ee9Sopenharmony_ci 34799b5ee9Sopenharmony_ci## Installation 35799b5ee9Sopenharmony_ci 36799b5ee9Sopenharmony_ci[QEMU Install Guide](https://gitee.com/openharmony/device_qemu/blob/HEAD/README.md) 37799b5ee9Sopenharmony_ci 38799b5ee9Sopenharmony_ci## Usage 39799b5ee9Sopenharmony_ci 40799b5ee9Sopenharmony_ciRefer to involved repositories documents. 41799b5ee9Sopenharmony_ci 42799b5ee9Sopenharmony_ci## Contribution 43799b5ee9Sopenharmony_ci 44799b5ee9Sopenharmony_ci[How to involve](https://gitee.com/openharmony/docs/blob/master/en/contribute/how-to-contribute.md) 45799b5ee9Sopenharmony_ci 46799b5ee9Sopenharmony_ci[Commit message spec](https://gitee.com/openharmony/device_qemu/wikis/Commit%20message%E8%A7%84%E8%8C%83?sort_id=4042860) 47799b5ee9Sopenharmony_ci 48799b5ee9Sopenharmony_ci## Repositories Involved 49799b5ee9Sopenharmony_ci 50799b5ee9Sopenharmony_ci[device\_qemu](https://gitee.com/openharmony/device_qemu/blob/HEAD/README.md) 51799b5ee9Sopenharmony_ci 52