文章目录一、先了解编译驱动需要什么二、配置makefile1、在Android系统编译LOG上找到编译器信息一般都会打印出来2、基于源MK构造 可独立运行的makefile3、进入docker在此makefile目录下敲make4、最后根据项目不同 动态调整三、源MK一、先了解编译驱动需要什么1、完整编译kernel的环境驱动编译需要依赖kernel的生成物2、编译器及编译选项3、将所需环境变量配置在当前mk里注意只适用于ko模块编译二、配置makefile1、在Android系统编译LOG上找到编译器信息一般都会打印出来如下 [2025-03-06T15:17:09.378Z] make -C /home/code/android/kernel/5.15_14 ARCHarm CROSS_COMPILE/home/code/android/prebuilts/mtk_toolchain/gcc-arm-linux-gnu-5.5.0-ubuntu/x86_64/bin/arm-linux-gnueabi- LOADADDR0x20008000 NM/home/code/android/kernel/build-master/prebuilts/clang/host/linux-x86/clang-r487747c/bin/llvm-nm AR/home/code/android/kernel/build-master/prebuilts/clang/host/linux-x86/clang-r487747c/bin/llvm-ar LD/home/code/android/kernel/build-master/prebuilts/clang/host/linux-x86/clang-r487747c/bin/ld.lld OBJDUMP/home/code/android/kernel/build-master/prebuilts/clang/host/linux-x86/clang-r487747c/bin/llvm-objdump OBJCOPY/home/code/android/kernel/build-master/prebuilts/clang/host/linux-x86/clang-r487747c/bin/llvm-objcopy LLVM1 LLVM_IAS1 CC/home/code/android/kernel/build-master/prebuilts/clang/host/linux-x86/clang-r487747c/bin/clang O/home/code/android/out/target/product/mt9633/obj/KERNEL_OBJ/5.15_14 BUILD_NUMBER mtk_dtv_platformmt5873 olddefconfig [2025-03-06T15:17:09.378Z] make[2]: Entering directory /home/code/android/kernel/5.15_14 [2025-03-06T15:17:09.378Z] make[3]: Entering directory /home/code/android/out/target/product/mt9633/obj/KERNEL_OBJ/5.15_142、基于源MK构造 可独立运行的makefile1) ccflags-y -DANDROID_PLATFORM KDIR ? /home/builder/code/android/out/target/product/mt9633/obj/KERNEL_OBJ/5.15_14 ARCH ? arm CROSS_COMPILE ? /home/code/android/prebuilts/mtk_toolchain/gcc-arm-linux-gnu-5.5.0-ubuntu/x86_64/bin/arm-linux-gnueabi- OTHER_PARAMS ? LOADADDR0x20008000 NM/home/code/android/kernel/build-master/prebuilts/clang/host/linux-x86/clang-r487747c/bin/llvm-nm AR/home/code/android/kernel/build-master/prebuilts/clang/host/linux-x86/clang-r487747c/bin/llvm-ar LD/home/code/android/kernel/build-master/prebuilts/clang/host/linux-x86/clang-r487747c/bin/ld.lld OBJDUMP/home/code/android/kernel/build-master/prebuilts/clang/host/linux-x86/clang-r487747c/bin/llvm-objdump OBJCOPY/home/code/android/kernel/build-master/prebuilts/clang/host/linux-x86/clang-r487747c/bin/llvm-objcopy LLVM1 LLVM_IAS1 CC/home/code/android/kernel/build-master/prebuilts/clang/host/linux-x86/clang-r487747c/bin/clang 2) all: modules modules: make -C $(KDIR) M$(PWD) ARCH$(ARCH) CROSS_COMPILE$(CROSS_COMPILE) $(OTHER_PARAMS) modules $(CROSS_COMPILE)strip --strip-debug aic8800_fdrv/aic8800_fdrv.ko $(CROSS_COMPILE)strip --strip-unneeded aic8800_fdrv/aic8800_fdrv.ko $(CROSS_COMPILE)strip --strip-debug aic_load_fw/aic_load_fw.ko $(CROSS_COMPILE)strip --strip-unneeded aic_load_fw/aic_load_fw.ko //$(CROSS_COMPILE)strip --strip-debug 裁剪ko去掉冗余信息由于Android系统会统一后处理不会体现在单个模块的mk里需要加上3、进入docker在此makefile目录下敲make4、最后根据项目不同 动态调整三、源MKCONFIG_AIC_LOADFW_SUPPORT : m CONFIG_AIC8800_WLAN_SUPPORT : m obj-$(CONFIG_LOADFW_SUPPORT) load_fw/ obj-$(CONFIG_WLAN_SUPPORT) fdrv/ # Platform support list CONFIG_PLATFORM_ROCKCHIP ? n CONFIG_PLATFORM_ALLWINNER ? n CONFIG_PLATFORM_AMLOGIC ? y CONFIG_PLATFORM_UBUNTU ? n ifeq ($(CONFIG_PLATFORM_ROCKCHIP), y) #KDIR : /home/yaya/E/Rockchip/3229/Android7/RK3229_ANDROID7.1_v1.01_20170914/rk3229_Android7.1_v1.01_xml0914/kernel #ARCH ? arm #CROSS_COMPILE ? /home/yaya/E/Rockchip/3229/Android7/RK3229_ANDROID7.1_v1.01_20170914/rk3229_Android7.1_v1.01_xml0914/prebuilts/gcc/linux-x86/arm/arm-eabi-4.6/bin/arm-eabi- KDIR : /home/yaya/E/Rockchip/3229/Android9/rk3229_android9.0_box/kernel ARCH ? arm CROSS_COMPILE ? /home/yaya/E/Rockchip/3229/Android9/rk3229_android9.0_box/prebuilts/gcc/linux-x86/arm/gcc-linaro-6.3.1-2017.05-x86_64_arm-linux-gnueabihf/bin/arm-linux-gnueabihf- #KDIR : /home/yaya/E/Rockchip/3399/rk3399-android-10/kernel #ARCH ? arm64 #CROSS_COMPILE ? /home/yaya/E/Rockchip/3399/rk3399-android-10/prebuilts/gcc/linux-x86/aarch64/gcc-linaro-6.3.1-2017.05-x86_64_aarch64-linux-gnu/bin/aarch64-linux-gnu- ccflags-y -DANDROID_PLATFORM endif ifeq ($(CONFIG_PLATFORM_ALLWINNER), y) KDIR : /home/yaya/E/Allwinner/R818/R818/AndroidQ/lichee/kernel/linux-4.9 ARCH ? arm64 CROSS_COMPILE ? /home/yaya/E/Allwinner/R818/R818/AndroidQ/lichee/out/gcc-linaro-5.3.1-2016.05-x86_64_aarch64-linux-gnu/bin/aarch64-linux-gnu- ccflags-y -DANDROID_PLATFORM endif ifeq ($(CONFIG_PLATFORM_AMLOGIC), y) ccflags-y -DANDROID_PLATFORM ARCH : arm CROSS_COMPILE : /home/yaya/D/Workspace/CyberQuantum/JinHaoYue/amls905x3/SDK/20191101-0tt-asop/android9.0/prebuilts/gcc/linux-x86/arm/arm-linux-androideabi-4.9/bin/arm-linux-androidkernel- KDIR : /home/yaya/D/Workspace/CyberQuantum/JinHaoYue/amls905x3/SDK/20191101-0tt-asop/android9.0/out/target/product/u202/obj/KERNEL_OBJ/ endif ifeq ($(CONFIG_PLATFORM_UBUNTU), y) KDIR : /lib/modules/$(shell uname -r)/build PWD : $(shell pwd) KVER : $(shell uname -r) MODDESTDIR : /lib/modules/$(KVER)/kernel/drivers/net/wireless/ ARCH ? x86_64 CROSS_COMPILE ? endif all: modules modules: make -C $(KDIR) M$(PWD) ARCH$(ARCH) CROSS_COMPILE$(CROSS_COMPILE) modules install: mkdir -p $(MODDESTDIR) install -p -m 644 load_fw/fw.ko $(MODDESTDIR)/ install -p -m 644 fdrv/fdrv.ko $(MODDESTDIR)/ /sbin/depmod -a ${KVER} uninstall: rm -rfv $(MODDESTDIR)/fw.ko rm -rfv $(MODDESTDIR)/fdrv.ko /sbin/depmod -a ${KVER} clean: cd aic_load_fw/;make clean;cd .. cd aic8800_fdrv/;make clean;cd .. rm -rf modules.order Module.symvers .tmp_versions/