Sound Open Firmware
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juimonen and lgirdwood buffer: fix buffer produce dcache circular wrap
dcache_writeback is called for dma connected
buffers, however it doesn't take into account
the possible circular wrap if bytes size is
not exact multiple of frames period.

Signed-off-by: Jaska Uimonen <>
Latest commit 0dad013 Dec 13, 2018

Sound Open Firmware


Build Status


See docs


  • Docker

Build Instructions

  1. Run

  2. Build and install the rimage ELF image creator and signing tool

./configure --enable-rimage
sudo make install
  1. Run the following configure based on your platform.

Baytrail :-

./configure --with-arch=xtensa --with-platform=baytrail --with-root-dir=$PWD/../xtensa-root/xtensa-byt-elf --host=xtensa-byt-elf

Cherrytrail :-

./configure --with-arch=xtensa --with-platform=cherrytrail --with-root-dir=$PWD/../xtensa-root/xtensa-byt-elf --host=xtensa-byt-elf

Library for Host Platform :- If building library for host platform, run the following configure. Please modify the --prefix option to choose the directory for installing the library files and headers

./configure --with-arch=host --enable-library=yes --host=x86_64-unknown-linux-gnu --prefix=$PWD/../host-root/

  1. make

  2. make bin

End with an example of getting some data out of the system or using it for a little demo

Running the tests

See unit testing documentation


Add additional notes about how to deploy this on a live system




This project is licensed under the BSD Clause 3 - see the LICENCE file for details