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Applying the ExaGear Transcoding Patch

  1. Create a dependency directory in the user directory. Decompress Kbox-AOSP11.zip and upload the patchForExagear directory in the Kbox-AOSP11 folder to the ~/dependency directory. Configure appropriate permissions on the uploaded files and directories. It is not recommended to configure the write permission for other users in the owner group and other owner groups.
  2. Apply the ExaGear transcoding patch. Copy the ExaGear transcoding patch 0001-exagear-adapt-android-11.0.0_r48.patch to the AOSP source code directory and apply the patch.
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    cd ~/dependency/patchForExagear/guestOS/aosp11
cp 0001-exagear-adapt-android-11.0.0_r48.patch ~/aosp
cd ~/aosp
patch -p1 < 0001-exagear-adapt-android-11.0.0_r48.patch
  3. Upload the ExaGear transcoding package Exagear-ARM32-ARM64.tar.gz to ~/dependency. Configure appropriate permissions on the uploaded files and directories. It is not recommended to configure the write permission for other users in the owner group and other owner groups.
  4. Decompress the patch package and adjust the permissions.
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    cd ~/dependency/ 
sudo tar -xzvf Exagear-ARM32-ARM64.tar.gz 
sudo chown -R root:root output 
sudo chmod -R 700 output
  5. Copy the preubt_a32a64_a64, preubt_a32a64_x64, and ubt_a32a64 files from ~/dependency/output to the ~/dependency/patchForExagear/guestOS/aosp11/vendor/huawei/exagear/prebuilts directory.
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    cd ~/dependency/output
cp * ~/dependency/patchForExagear/guestOS/aosp11/vendor/huawei/exagear/prebuilts
  6. Copy the vendor directory to the aosp directory.
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    cd ~/dependency/patchForExagear/guestOS/aosp11
cp -r ./vendor ~/aosp/