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Uroc327
Uroc327

Reputation: 1429

Android source generic product/device type differences

In the AOSP tree are basically 3 generic device types.

What are the differences between and uses for mini_, qemu_ and mini_emulator_?

Edit: After googling a bit I didn't find a detailed explanation, but this blog post pointed out, that there are three more 'products' which are neither specific devices nor generic products: full, aosp and sdk. What do these do exactly?

Edit 2: Looking into envsetup.sh from different ROMs (aosp, cyanogenmod, aospa) it seems to be possible, to set TARGET_PRODUCT to something like aosp_<arch> or full_<arch>. Is this an alias to one of mini_, qemu_ or mini_emulator_ or does this something else?

Upvotes: 2

Views: 1101

Answers (1)

Uroc327
Uroc327

Reputation: 1429

So after digging through the android build system a bit more I think I got it now:

The following TARGET_PRODUCTs are allowed:

  • aosp_ is just an alias for full_. It accepts all architectures (arm, x86, mips, arm64, x86_64 and mips64) and is also used for devices (e.g. aosp_flounder)
  • full_ is, if no device is specified via aosp_, a full featured build for the emulator. It includes core_. (full without _arch deaults to arm)
  • sdk_ is just an alias for sdk_phone_. (sdk without _arch defaults to armv7)
  • sdk_phone_ builds the Android SDK for the specific architecture. It includes core_ too
  • generic_ is the basic Android platform not specialized for any board. It can build for arm (default if nothing specified), x86 and mips. I don't think this can boot on a device or an emulator.
  • core_ is the basic configuration for all communication-oriented android devices like phones and tablets.
  • mini_ somehow extends core_. It seems to be a emulator build using only the basic configuration instead of the full featured build. But I'm not sure with this one.
  • mini_emulator_ combine mini_ with goldfish and QEMU related files. It seems to be some basic emulator build too.
  • qemu_ is an absolutely minimal android build for qemu (not the android emulator). It just has the stuff necessary to boot and some command line utilities/libraries and adb.

Upvotes: 3

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