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--- products:sbc:vim3:development:android:build-android [2022/07/06 10:12]
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+++ products:sbc:vim3:development:android:build-android [2024/10/28 02:35] (current)
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-{{indexmenu_n>3}}
+{{indexmenu_n>15}}
+====== VIM3/3L Build Android ======
-====== Build Android ======
+===== Preparations =====
+  * [[http://source.android.com/source/initializing.html|Establishing a Build Environment]]
+  * [[/products/sbc/vim3/development/android/download-android-source-code|Downloading the Android Source]]
+  * [[/products/sbc/vim3/development/android/install-toolchains|Install Toolchains for the Amlogic Platform]]
+===== Building =====
+<WRAP info >
+Before you start to build, make sure you have done all the ''Preparations'' listed above.
+</WRAP>
+==== Build U-Boot ====
+**android 9.0:**
+```shell
+$ cd PATH_YOUR_PROJECT
+$ cd bootloader/uboot
+$ ./mk TARGET
+```
+**android 11.0:**
+```shell
+$ cd PATH_YOUR_PROJECT
+$ cd bootloader/uboot
+$ ./mk TARGET --vab
+$ cp build/u-boot.bin ../../device/khadas/TARGET/bootloader.img
+$ cp build/u-boot.bin.sd.bin ../../device/khadas/TARGET/upgrade/
+$ cp build/u-boot.bin.usb.* ../../device/khadas/TARGET/upgrade/
+```
+Gernerate images in this step:
+  * ''build/u-boot.bin'': for onboard EMMC storage booting.
+  * ''build/u-boot.bin.sd.bin'': for external TF card booting.
+==== Build Linux Kernel ====
+When you build the Android Kernel (above), the Linux Kernel will also be built simultaneously.
+In some cases, you might want to build the Linux Kernel separately. You can run this script below to do that:
+**android 9.0:**
+```shell
+$ make bootimage
+```
+**android 11.0:**
+```shell
+$ ./mk TARGET -v 4.9
+```
+==== Build Android ====
+**android 9.0:**
+```shell
+$ cd PATH_YOUR_PROJECT
+$ source build/envsetup.sh
+$ lunch TARGET_LUNCH
+$ make -jN otapackage
+```
+Gernerate images: ''out/target/product/TARGET/update.img''.
+**android 11.0:**
+```shell
+$ cd PATH_YOUR_PROJECT
+$ export BOARD_COMPILE_ATV=false
+$ export BOARD_COMPILE_CTS=false
+$ source build/envsetup.sh
+$ lunch TARGET_LUNCH
+$ make -jN otapackage
+```
+Gernerate images: ''out/target/product/TARGET/aml_upgrade_package.img''.
+<WRAP info >
+  * Replace ''N'' as the number you want when you run ''make -jN''.
+  * Replace ''TARGET_LUNCH'' to your lunch select.
+    * For VIM3, it’s ''kvim3-userdebug''.
+    * For VIM3L, it’s ''kvim3l-userdebug''.
+  * ''TARGET'' should be ''kvim3'' or kvim3l''.
+</WRAP>
+===== See Also =====
+  * [[/products/sbc/edge1/install-os/install-os-into-emmc-via-usb-tool|]]
+  * [[/products/sbc/edge1/install-os/install-os-into-external-storage|]]

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