“Build Linux for Hikey log”的版本间的差异
来自个人维基
free6d1823(讨论 | 贡献) |
free6d1823(讨论 | 贡献) |
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第2行: | 第2行: | ||
cd /data/cj.chang/hikey960/tools-images-hikey960/build-from-source | cd /data/cj.chang/hikey960/tools-images-hikey960/build-from-source | ||
./genimg.sh | ./genimg.sh | ||
+ | |||
+ | <source lang="awk"> | ||
+ | # AOSP root directory: | ||
+ | AOSP_ROOTDIR=/data/cj.chang/hikey960/android | ||
+ | # AOSP build output directory: | ||
+ | PRODUCT_OUT=${AOSP_ROOTDIR}/out/target/product/hikey960/ | ||
+ | # RAMDISK_IMG: | ||
+ | RAMDISK_IMG=${PRODUCT_OUT}/ramdisk.img | ||
+ | |||
+ | # kernel source code is in this repository: | ||
+ | # https://github.com/96boards-hikey/linux/ | ||
+ | # Kernel source code directory: | ||
+ | KERNEL_DIR=/data/cj.chang/hikey960/hikey-linaro/ | ||
+ | # Tool directory: for mkbootimg and mkdtimg | ||
+ | GEN_IMAGES_DIR=/data/cj.chang/hikey960/tools-images-hikey960/build-from-source/ | ||
export ARCH=arm64 | export ARCH=arm64 | ||
export CROSS_COMPILE=${AOSP_ROOTDIR}/prebuilts/gcc/linux-x86/aarch64/aarch64-linux-android-4.9/bin/aarch64-linux-android- | export CROSS_COMPILE=${AOSP_ROOTDIR}/prebuilts/gcc/linux-x86/aarch64/aarch64-linux-android-4.9/bin/aarch64-linux-android- | ||
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cd ${KERNEL_DIR} | cd ${KERNEL_DIR} | ||
make distclean | make distclean | ||
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</source> | </source> | ||
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2. Remove printk log: | 2. Remove printk log: |
2019年9月29日 (日) 11:42的版本
1. How to build kernel
cd /data/cj.chang/hikey960/tools-images-hikey960/build-from-source
./genimg.sh
# AOSP root directory: AOSP_ROOTDIR=/data/cj.chang/hikey960/android # AOSP build output directory: PRODUCT_OUT=${AOSP_ROOTDIR}/out/target/product/hikey960/ # RAMDISK_IMG: RAMDISK_IMG=${PRODUCT_OUT}/ramdisk.img # kernel source code is in this repository: # https://github.com/96boards-hikey/linux/ # Kernel source code directory: KERNEL_DIR=/data/cj.chang/hikey960/hikey-linaro/ # Tool directory: for mkbootimg and mkdtimg GEN_IMAGES_DIR=/data/cj.chang/hikey960/tools-images-hikey960/build-from-source/ export ARCH=arm64 export CROSS_COMPILE=${AOSP_ROOTDIR}/prebuilts/gcc/linux-x86/aarch64/aarch64-linux-android-4.9/bin/aarch64-linux-android- cd ${KERNEL_DIR} make distclean make hikey960_defconfig make -j7 Image.gz make hisilicon/hi3660-hikey960.dtb cp arch/arm64/boot/Image.gz ${GEN_IMAGES_DIR} cp arch/arm64/boot/dts/hisilicon/hi3660-hikey960.dtb ${GEN_IMAGES_DIR} cd ${GEN_IMAGES_DIR} # Note: here build result boot.img and dt.img are in folder ${PRODUCT_OUT} # To change this, change --output and -o. ./mkbootimg --kernel Image.gz --ramdisk ${RAMDISK_IMG} --cmdline "loglevel=15 androidboot.hardware=hikey960 androidboot.selinux=permissive firmware_class.path=/system/etc/firmware" --base 0x0 --tags-addr 0x07A00000 --kernel_offset 0x00080000 --ramdisk_offset 0x07c00000 --os_version 7.0 --os_patch_level 2016-08-05 --output ${PRODUCT_OUT}/boot.img ./mkdtimg -d hi3660-hikey960.dtb -s 2048 -c -o ${PRODUCT_OUT}/dt.img echo "dt.img boot.img build finished!"
2. Remove printk log:
(1). CPU7: update max cpu_capacity 1024
implemented in ./kernel/sched/fair.c:7131 undefine CONFIG_SCHED_DEBUG in .config
(2) audit: audit_lost=54513 audit_rate_limit=5 audit_backlog_limit=64
implemented in ./kernel/audit.c:277 remark it. if(print)==> if(0)