~/talk

AOSP Toolchains: Where we are with building kernels, bootloaders and AOSP with Clang

on YouTube 22m
Talkat Linaro Connect Hong Kong 2018 · 2018-03-19..03-23· [android]

speakers

name:Bernhard Rosenkränzer
website:http://linaro.org/
name:Minseong Kim
links:none on file

resources

video:https://youtu.be/5udPZ37PDio
slides:none on file

summary

AOSP userland already builds with Clang and efforts extend that toolchain to kernels, bootloaders and BSPs using two CI flows that build Clang master then prebuilt Clang images; resulting system images boot on HiKey/Lava boot tests and show about 0.1% size diff versus previous builds with occasional couple-percent performance gains. Replacing GNU ld with LLD increases size ~7–8% and exposes missing flags; mainline kernels mostly buildable (some modules and GCC plugins fail), U-Boot and some firmware still need work.

AI-written summary · about

chapters (6)

  1. 0:00Introduction
  2. 0:43Building AOSP with Clang
  3. 7:23Transition to next speaker
  4. 10:48Building bootloaders with Clang
  5. 18:12Building Trusty and OctOS with Clang
  6. 20:43Q&A

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