++++++++++++++++
?说明 0 android4.7z.001 通过7zip将此分卷解开,得到一个android4文件,然后改名成android4.tar.gz 1 把文件名后面的gzip后缀去掉,这不是一个压缩文件 2 在源码下建立kernel目录 3 解压kernel.tar,然后把内容拷贝到源码的kernel目录中。 4 要看kernel的内容的话,必须进入msm或common或goldfish下,通过git branch -avl查看分支 然后通过git branch xxx remote分支来释放代码 //ztg add //通过git branch -r或-a查询,选项r只能查远程版本,选项a会把本地和远程的版本都列出 [root@localhost common]# git branch -a * (分离自 origin/android-2.6.39) master remotes/origin/HEAD -> origin/master remotes/origin/android-2.6.39 remotes/origin/android-3.0 remotes/origin/android-3.10 remotes/origin/android-3.10-adf remotes/origin/android-3.3 remotes/origin/android-3.4 remotes/origin/android-3.4-compat remotes/origin/bcmdhd-3.10 remotes/origin/coupled-cpuidle remotes/origin/experimental/android-3.10 remotes/origin/experimental/android-3.10-rc5 remotes/origin/experimental/android-3.8 remotes/origin/experimental/android-3.9 remotes/origin/experimental/android-3.9-rc2 remotes/origin/experimental/android-3.9-rc7 remotes/origin/linux-bcm43xx-2.6.39 remotes/origin/master //删除分支 [root@localhost common]# git branch -d remotes/origin/android-3.10 //提取内核源代码到当前目录 //When you're done, you should get source code in 'pwd' [root@localhost common]# git checkout -t remotes/origin/android-3.10 [root@localhost common]# git checkout -t remotes/origin/android-3.10 -b android-3.10 [root@localhost common]# git checkout remotes/origin/android-3.10 +++++++++++++++++++++++++++++++++++++++++ export PATH=/opt/android-on-linux/android-ndk-r8e/toolchains/arm-linux-androideabi-4.7/prebuilt/linux-x86_64/bin/:$PATH export PATH=/opt/android-on-linux/android-ndk-r10d/toolchains/arm-linux-androideabi-4.6/prebuilt/linux-x86_64/bin/:$PATH export PATH=/opt/android-on-linux/android-ndk-r10d/toolchains/arm-linux-androideabi-4.8/prebuilt/linux-x86_64/bin/:$PATH export PATH=/opt/android-on-linux/android-ndk-r10d/toolchains/arm-linux-androideabi-4.9/prebuilt/linux-x86_64/bin/:$PATH export CROSS_COMPILE=arm-linux-androideabi- export ARCH=arm make ARCH=arm CROSS_COMPILE=arm-linux-androideabi- menuconfig make mrproper make ARCH=arm -j4 make ARCH=arm modules -j4 make ARCH=arm modules -j4 make ARCH=arm CROSS_COMPILE=arm-linux-androideabi- modules -j4 make ARCH=arm CROSS_COMPILE=arm-linux-androideabi- -j4 make ARCH=arm CROSS_COMPILE=/your/cross/compile/prefix M=path/to/module/directory O=/home/name/build/kernel make O=/home/name/build/kernel modules_install install make -j4 zImage make -j4 modules make clean && make mrproper make ARCH=arm CROSS_COMPILE=arm-linux-androideabi- menuconfig ---------------------------------- make menuconfig Kernel Features ---> [*] Use the ARM EABI to compile the kernel [*] Allow old ABI binaries to run with this kernel (EXPERIMENTAL) -------------该设置解决如下问题: arm-linux-androideabi-ld: internal error in relocate_special_relocatable, at /s/ndk-toolchain/src/build/../binutils/binutils-2.24/gold/arm.cc:9904 make[2]: *** [sound/core/pcm_native.o] 错误 1 make[1]: *** [sound/core] 错误 2 make: *** [sound] 错误 2 ---------------------------------- Device Drivers ---> <*> MMC/SD card support ---> -*- MMC/SD card support <*> MMC block device driver [*] Use bounce buffer for simple hosts -------------该设置解决如下问题: ERROR: "__tracepoint_mmc_blk_rw_end" [drivers/mmc/core/mmc_core.ko] undefined! ERROR: "__tracepoint_mmc_blk_rw_start" [drivers/mmc/core/mmc_core.ko] undefined! ERROR: "__tracepoint_mmc_blk_erase_end" [drivers/mmc/core/mmc_core.ko] undefined! ERROR: "__tracepoint_mmc_blk_erase_start" [drivers/mmc/core/mmc_core.ko] undefined! make[1]: *** [__modpost] 错误 1 make: *** [modules] 错误 2 ----------------------------------解决了上面两个问题后,如下版本的编译器应该都能正常编译内核(没有再次依次验证,因为费时) make -j4 ARCH=arm CROSS_COMPILE=/opt/android-on-linux/android-ndk-r10d/toolchains/arm-linux-androideabi-4.9/prebuilt/linux-x86_64/bin/arm-linux-androideabi- make -j4 ARCH=arm CROSS_COMPILE=/opt/android-on-linux/android-ndk-r10d/toolchains/arm-linux-androideabi-4.6/prebuilt/linux-x86_64/bin/arm-linux-androideabi- make -j4 ARCH=arm CROSS_COMPILE=/opt/android-on-linux/android-ndk-r10d/toolchains/arm-linux-androideabi-4.9/prebuilt/linux-x86_64/bin/arm-linux-androideabi- modules make -j4 ARCH=arm CROSS_COMPILE=/opt/android-on-linux/android-ndk-r8e/toolchains/arm-linux-androideabi-4.7/prebuilt/linux-x86_64/bin/arm-linux-androideabi-
编译batman-adv.ko—成功
[root@localhost android-3.10]# ll -h net/batman-adv/batman-adv.ko
-rw-r--r--. 1 root root 4.0M 1月 8 11:26 net/batman-adv/batman-adv.ko
[root@localhost android-3.10]#
----------------------------------
指定ko安装路径
make modules_install INSTALL_MOD_PATH=/run/media/root/11fb38b3-24ee-4306-b554-40aaeae1a204/android/Android4.4-with-kernel/kernel/common/android-3.10/out_modules
----------------------------------
----------------------------------+++++++++++++++++++++++++++++++++++++++++++++++++ 查看手机 内核 使用的 编译器: shell@hwCHM-H:/storage/sdcard1 $ cat /proc/version Linux version 3.10.49-g28addc2 (android@localhost) (gcc version 4.7.3 20121205 (prerelease) (crosstool-NG linaro-1.13.1-4.7-2012.12-20121214 - Linaro GCC 2012.12) ) #1 SMP PREEMPT Tue Nov 10 04:10:35 CST 2015 下载编译器: wget http://releases.linaro.org/14.09/components/toolchain/binaries/gcc-linaro-arm-none-eabi-4.9-2014.09_linux.tar.xz tar xvf gcc-linaro-arm-none-eabi-4.9-2014.09_linux.tar.xz -C gcc-linaro ---------------------------------- make clean && make mrproper make ARCH=arm CROSS_COMPILE=arm-none-eabi- menuconfig ---------------------------------- make menuconfig Kernel Features ---> [*] Use the ARM EABI to compile the kernel [*] Allow old ABI binaries to run with this kernel (EXPERIMENTAL) make -j4 ARCH=arm CROSS_COMPILE=/opt/android-on-linux/gcc-linaro-arm-none-eabi-4.9-2014.09_linux/bin/arm-none-eabi- -------- Kernel: arch/arm/boot/zImage is ready ERROR: "__tracepoint_mmc_blk_rw_end" [drivers/mmc/core/mmc_core.ko] undefined! ERROR: "__tracepoint_mmc_blk_rw_start" [drivers/mmc/core/mmc_core.ko] undefined! ERROR: "__tracepoint_mmc_blk_erase_end" [drivers/mmc/core/mmc_core.ko] undefined! ERROR: "__tracepoint_mmc_blk_erase_start" [drivers/mmc/core/mmc_core.ko] undefined! make[1]: *** [__modpost] 错误 1 make: *** [modules] 错误 2 [root@localhost android-3.10]# ---------------------------------- http://www.veryarm.com/arm-linux-gnueabihf-gcc 下载编译器:gcc-linaro-arm-linux-gnueabihf-4.7-2013.04-20130415_linux.tar.bz2 make clean && make mrproper make ARCH=arm CROSS_COMPILE=arm-linux-gnueabihf- menuconfig ---------------------------------- make menuconfig Kernel Features ---> [*] Use the ARM EABI to compile the kernel [*] Allow old ABI binaries to run with this kernel (EXPERIMENTAL) make -j4 ARCH=arm CROSS_COMPILE=/opt/android-on-linux/gcc-linaro-arm-linux-gnueabihf-4.7-2013.04-20130415_linux/bin/arm-linux-gnueabihf- ------ Kernel: arch/arm/boot/zImage is ready ERROR: "__tracepoint_mmc_blk_rw_end" [drivers/mmc/core/mmc_core.ko] undefined! ERROR: "__tracepoint_mmc_blk_rw_start" [drivers/mmc/core/mmc_core.ko] undefined! ERROR: "__tracepoint_mmc_blk_erase_end" [drivers/mmc/core/mmc_core.ko] undefined! ERROR: "__tracepoint_mmc_blk_erase_start" [drivers/mmc/core/mmc_core.ko] undefined! make[1]: *** [__modpost] 错误 1 make: *** [modules] 错误 2 [root@localhost android-3.10]# ----------------------------------+++++++++++++++++++++++++++++++++++++++++++++++++ [root@localhost android-3.10]# make -j4 ARCH=arm CROSS_COMPILE=/opt/android-on-linux/android-ndk-r10d/toolchains/arm-linux-androideabi-4.9/prebuilt/linux-x86_64/bin/arm-linux-androideabi- -------- : unwinding may not work because EXIDX input section 905 of net/built-in.o is not in EXIDX output section SORTEX vmlinux SYSMAP System.map OBJCOPY arch/arm/boot/Image Building modules, stage 2. MODPOST 1840 modules Kernel: arch/arm/boot/Image is ready AS arch/arm/boot/compressed/head.o GZIP arch/arm/boot/compressed/piggy.gzip CC arch/arm/boot/compressed/misc.o CC arch/arm/boot/compressed/decompress.o CC arch/arm/boot/compressed/string.o SHIPPED arch/arm/boot/compressed/hyp-stub.S SHIPPED arch/arm/boot/compressed/lib1funcs.S SHIPPED arch/arm/boot/compressed/ashldi3.S AS arch/arm/boot/compressed/hyp-stub.o AS arch/arm/boot/compressed/lib1funcs.o AS arch/arm/boot/compressed/ashldi3.o AS arch/arm/boot/compressed/piggy.gzip.o LD arch/arm/boot/compressed/vmlinux OBJCOPY arch/arm/boot/zImage Kernel: arch/arm/boot/zImage is ready ERROR: "__tracepoint_mmc_blk_erase_end" [drivers/mmc/core/mmc_core.ko] undefined! ERROR: "__tracepoint_mmc_blk_erase_start" [drivers/mmc/core/mmc_core.ko] undefined! ERROR: "__tracepoint_mmc_blk_rw_start" [drivers/mmc/core/mmc_core.ko] undefined! ERROR: "__tracepoint_mmc_blk_rw_end" [drivers/mmc/core/mmc_core.ko] undefined! make[1]: *** [__modpost] 错误 1 make: *** [modules] 错误 2 [root@localhost android-3.10]# ---------------------------------- [root@localhost android-3.10]# make -j4 ARCH=arm CROSS_COMPILE=/opt/android-on-linux/android-ndk-r10d/toolchains/arm-linux-androideabi-4.9/prebuilt/linux-x86_64/bin/arm-linux-androideabi- modules ------ Building modules, stage 2. MODPOST 1837 modules ERROR: "__audit_inode_child" [net/sunrpc/sunrpc.ko] undefined! ERROR: "xfrm_audit_state_delete" [net/key/af_key.ko] undefined! ERROR: "xfrm_audit_state_add" [net/key/af_key.ko] undefined! ERROR: "xfrm_audit_policy_add" [net/key/af_key.ko] undefined! ERROR: "xfrm_audit_policy_delete" [net/key/af_key.ko] undefined! ERROR: "__audit_inode_child" [fs/btrfs/btrfs.ko] undefined! ERROR: "__tracepoint_mmc_blk_erase_end" [drivers/mmc/core/mmc_core.ko] undefined! ERROR: "__tracepoint_mmc_blk_erase_start" [drivers/mmc/core/mmc_core.ko] undefined! ERROR: "__tracepoint_mmc_blk_rw_start" [drivers/mmc/core/mmc_core.ko] undefined! ERROR: "__tracepoint_mmc_blk_rw_end" [drivers/mmc/core/mmc_core.ko] undefined! make[1]: *** [__modpost] 错误 1 make: *** [modules] 错误 2 [root@localhost android-3.10]# ---------------------------------- make -j4 ARCH=arm CROSS_COMPILE=/opt/android-on-linux/android-ndk-r10d/toolchains/arm-linux-androideabi-4.6/prebuilt/linux-x86_64/bin/arm-linux-androideabi- ------ Kernel: arch/arm/boot/zImage is ready ERROR: "__tracepoint_mmc_blk_rw_start" [drivers/mmc/core/mmc_core.ko] undefined! ERROR: "__tracepoint_mmc_blk_erase_end" [drivers/mmc/core/mmc_core.ko] undefined! ERROR: "__tracepoint_mmc_blk_erase_start" [drivers/mmc/core/mmc_core.ko] undefined! ERROR: "__tracepoint_mmc_blk_rw_end" [drivers/mmc/core/mmc_core.ko] undefined! ERROR: "__aeabi_uldivmod" [drivers/md/dm-cache.ko] undefined! make[1]: *** [__modpost] 错误 1 make: *** [modules] 错误 2 ---------------------------------- +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ make -j4 ARCH=arm CROSS_COMPILE=/opt/android-on-linux/android-ndk-r9d/toolchains/arm-linux-androideabi-4.8/prebuilt/linux-x86_64/bin/arm-linux-androideabi- CONFIG_AEABI=y +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 在交叉编译或编译Linux内核的时候需要把,内核或内核的模块安装到指定的目录。 可使用命令: make install 和make modules_install 。 同时指定路径分别为,INSTALL_PATH和INSTALL_MOD_PATH。 不过在指定路径的时候可得要注意了,一定要为绝对路径而非相对路径。 ---------------------------------- [root@localhost android-3.10]# mkdir out_modules [root@localhost android-3.10]# pwd /run/media/root/11fb38b3-24ee-4306-b554-40aaeae1a204/android/Android4.4-with-kernel/kernel/common/android-3.10 指定ko安装路径 make modules_install INSTALL_MOD_PATH=/run/media/root/11fb38b3-24ee-4306-b554-40aaeae1a204/android/Android4.4-with-kernel/kernel/common/android-3.10/out_modules ---------------------------------- 应用安装指定 make install DESTDIR=/home/luther/gliethttp_dir +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 内核开发基础——make mrproper及mrproper的含义 Linux下面去编译项目之前,一般常会用make mrproper去先删除之前编译所生成的文件和配置文件,备份文件等,其中,mrproper和distclean,clean之间的区别,Linux内核源码根目录下面的makefile中,有很清晰的解释: help: @echo 'Cleaning targets:' @echo ' clean - Remove most generated files but keep the config and' @echo ' enough build support to build external modules' @echo ' mrproper - Remove all generated files + config + various backup files' @echo ' distclean - mrproper + remove editor backup and patch files' +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ arm-eabi, arm-linux-androideabi, arm-linux-gnueabi, arm-none-linux-gnueabi工具链的区别 链接工具命名方式为: arch-vendor-os-abi , 即cpu构架, 供应商, 操作系统, abi类型 例如: 1、arm-none-linux-gnueabi (ARM architecture, no vendor, linux OS, and the gnueabi ABI) 用于编译ARM架构的u-boot、linux内核、linux应用等 2、arm-none-eabi 用于编译ARM架构的裸机系统(包括linux的 boot、kernel) 3、arm-eabi Android ARM 编译器 所以标题中提到的工具链表示的含义是: arm-eabi: (ARM architecture and the EABI) arm-linux-androideabi: (ARM architecture, linux OS, and the androideabi ABI) arm-linux-guneabi: (ARM architecture, linux OS, and the gnueabi ABI) arm-none-linux-gnueabi: (ARM architecture, no vendor, linux OS, and the gnueabi ABI) 工具链的工具通常有: add2line:将你要找的地址转成文件和行号,它要使用 debug 信息。 ar:产生、修改和解开一个存档文件 as:gnu的汇编器 c++filt:C++ 和 java 中有一种重载函数,所用的重载函数最后会被编译转化成汇编的标,c++filt 就是实现这种反向的转化,根据标号得到函数名 gprof:gnu 汇编器预编译器 ld:gnu 的连接器 nm:列出目标文件的符号和对应的地址 objcopy:将某种格式的目标文件转化成另外格式的目标文件 objdump:显示目标文件的信息 ranlib:为一个存档文件产生一个索引,并将这个索引存入存档文件中 readelf:显示 elf 格式的目标文件的信息 size:显示目标文件各个节的大小和目标文件的大小 strings:打印出目标文件中可以打印的字符串,有个默认的长度,为4 strip:剥掉目标文件的所有的符号信息 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 编译错误,用了arm-linux-androideabi-4.6、arm-linux-androideabi-4.7、arm-linux-androideabi-4.9,同样错误 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ CC [M] drivers/w1/slaves/w1_ds2781.o CC [M] drivers/watchdog/pcwd_usb.o CC [M] drivers/watchdog/softdog.o CC [M] sound/sound_core.o LD [M] sound/soundcore.o CC [M] sound/ac97_bus.o CC [M] sound/core/compress_offload.o CC [M] sound/core/hwdep.o CC [M] sound/core/memalloc.o CC [M] sound/core/pcm.o CC [M] sound/core/pcm_native.o arm-linux-androideabi-ld: internal error in relocate_special_relocatable, at /s/ndk-toolchain/src/build/../binutils/binutils-2.24/gold/arm.cc:9904 make[2]: *** [sound/core/pcm_native.o] 错误 1 make[1]: *** [sound/core] 错误 2 make: *** [sound] 错误 2 ------------------解决方法 在内核配置的时候选择上如下内容: 方法一: make menuconfig Kernel Features ---> [*] Use the ARM EABI to compile the kernel [*] Allow old ABI binaries to run with this kernel (EXPERIMENTAL) 方法二: make -j4 ARCH=arm CROSS_COMPILE=/opt/android-on-linux/android-ndk-r9d/toolchains/arm-linux-androideabi-4.8/prebuilt/linux-x86_64/bin/arm-linux-androideabi- CONFIG_AEABI=y 参考:http://blog.chinaunix.net/uid-14735472-id-5593127.html +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ Looks like some kernel config settings are missing (noch sure which ones). Instead of copying the kernel config do a "make bcmrpi_defconfig" in the cirrus tree. Just tried it here and it worked fine. +++++++++ 默认配置文件: +++++++++++ [root@localhost android-3.10]# ls ./arch/arm/configs/ +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ https://github.com/m-stein/linux/issues/1 ### Get toolchain ### wget http://releases.linaro.org/14.09/components/toolchain/binaries/gcc-linaro-arm-none-eabi-4.9-2014.09_linux.tar.xz tar xvf gcc-linaro-arm-none-eabi-4.9-2014.09_linux.tar.xz -C $MY_GCC_DIR ### Build ### make -C $MY_LX_SRC_DIR ARCH=arm CROSS_COMPILE=$MY_GCC_DIR/bin/arm-none-eabi- O=$MY_LX_BUILD_DIR imx_v53_usb_armory_defconfig && make -C $MY_LX_BUILD_DIR ARCH=arm CROSS_COMPILE=$MY_GCC_DIR/bin/arm-none-eabi- -j$MY_CPUS zImage LOADADDR=0x80008000 && make -C $MY_LX_BUILD_DIR ARCH=arm CROSS_COMPILE=$MY_GCC_DIR/bin/arm-none-eabi- dtbs +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++