# tools_3

**Repository Path**: mirrors_android_source/tools_3

## Basic Information

- **Project Name**: tools_3
- **Description**: No description available
- **Primary Language**: Unknown
- **License**: Not specified
- **Default Branch**: main
- **Homepage**: None
- **GVP Project**: No

## Statistics

- **Stars**: 0
- **Forks**: 0
- **Created**: 2020-10-26
- **Last Updated**: 2025-08-02

## Categories & Tags

**Categories**: Uncategorized

**Tags**: None

## README

emmc_image.py is a tool to generate an eMMC USER image.

Requirement:

*   Python 2.7
*   simg2img
    *   Used to unsparse Android sparse images
    *   Source code available at https://android.googlesource.com/platform/system/core/+/master/libsparse/
    *   Prebuilt binaries
        *   Debian >= Stretch or Ubuntu >= 17.10
            *   sudo apt-get install simg2img
    *   The `simg2img` binary should either be available in `PATH` or `SIMG2IMG_BIN` should be set to its path.
*   This currently lives in AOSP here: https://android.googlesource.com/platform/system/iot/tools/


**Factory image downloaded from console in both slots:**

```
./emmc_image.py --out emmc.zip --factory_files console_build.zip --all-slots
```


**Custom images in slot A, factory image downloaded from console in slot B:**

```
./emmc_image.py --out emmc.zip --factory_files console_build.zip \
--all-slots \
--partition boot_a custom_boot.img \
--partition system_a custom_system.img \
--partition vbmeta_a custom_vbmeta.img
```


**Dump partition table:**

```
parted emmc.img
```