make system.img, ramdisk.img, userdata.img

最新推荐文章于 2023-06-06 19:45:00 发布

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#image #system #ext

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本文介绍如何使用特定工具构建Android设备的系统镜像(system.img)、RAM磁盘镜像(ramdisk.img)及用户数据分区镜像(userdata.img)。通过mkyaffs2image、mkbootfs等工具，针对不同分区进行打包处理。

Image: system.img

Target system fs image: out/target/product/generic/obj/PACKAGING/systemimage_unopt_intermediates/system.img

(unoptimized image)

out/debug/host/linux-x86/bin/mkyaffs2image -f out/target/product/generic/system out/target/product/generic/obj/PACKAGING/systemimage_unopt_intermediates/system.img
Install system fs image: out/target/product/generic/system.img
out/host/linux-x86/bin/acp -fpt out/target/product/generic/obj/PACKAGING/systemimage_unopt_intermediates/system.img out/target/product/generic/system.img

Image: ramdisk.img
out/debug/host/linux-x86/bin/mkbootfs out/target/product/generic/root | out/debug/host/linux-x86/bin/minigzip > out/target/product/generic/ramdisk.img

Image: userdata.img

build-userdataimage-target called when TARGET_USERIMAGES_USE_EXT2 != true
out/debug/host/linux-x86/bin/mkyaffs2image -f out/target/product/generic/data out/target/product/generic/userdata.img