内容说明发布android build system for customer

Android2.3BuildEnvironmentonUbuntu10.0464-bitInstallationbit_Installation_SOP_40.docxCopyright©MediaTekInc.Allrig BuildSystemMainentryprogram“makeMtk”(aunifyinterfacetostartIntegrateMTKbuildWrapKernel&Androidnativebuildcommand

preloaderbuildscriptubootbuildscriptMainEnv.CheckWrapcommandInhousesettingsMTK

kernelbuildbuildCopyright©MediaTekInc.Allrig

SourceTreeStructure AndroidNativeDevelopmentKit andlibrariswhichusedtoC,C++

Cruntime:libc,libm,libdl,dynamicprojectsformtheprojectsformthe

Dalvikvirtual ionlibaies xkernelsourceBinariestosupportLinuxandMacOSbuilds,x86andarmstructureofsomeofthresocesunderthepiledl eoriitldllk/lore”,

pakages

ExternalN opensourceprojectsthatAndroidreliesStandardAndroidapplicationsandServices;theyusuallyrunontheDVM.Bildresult/output(objects,binaries&intermediatefiles) Wrapperofthemainbuildscript

customizationcodesCompatibilitytestsuite Emulator,ddms,eclipse,ninepatch,…AndroidSDKCopyright©MediaTekInc.All

MTKPerlprogram,wrapperofbuilding/mbolic eCourse(先看以 对后面的slide理解很有帮请看MTKBuildCommand 和Lookintomtkalpsbuild视文档(请到DCC上搜索ALPS(Android4.0)BuildSystemALPS(Android4.0)MakeBuildEnvironmentand bit_Installation_SOP_4.0.docx(4.1forJB)ment_4.0.doc(4.1forht©rkc.lFAQ(

ste3HowtoStartaSupportstraightforwardfunctioncommandtowrapbuildcommandsmakeMtk[OPTION][PROJECT]ACTIONabbrevmk,showhelpifwithoutanyargume-t,-tee:Printloginformationonthestand--h,-help:PrintusagemessageandPROJECT:mt6575_evb,banyan_addon.ACTION:new,clean,remake,listproject,codegenmm,emigen.abbrev:n,c,r,MODULES:preloader,uboot,krnel,ctabbrev:pl,ub,ctHelpcmd:./mk

./mklistp查看目前所有的 第一次编译project需要写出工程名称,如果已经编译过就可以省略:./mknew./mk$projectr(n)./mk./mk./mk./mk-o=TARGET_BUILD_VARIANT=userUserKernel&Androidnativebuildcommandisnot/ik.llriroid p4/i/teadBuildingDividedintoseveral./mk<project> (BuildSystemEnvironmentcustgen,check-dep,drvgen,codegen,nandgen,emigen,ptgen,gen-relkey,check-modem,buildandconfigmodemforALPS,sign-AndroidAndroidKernel相关的：booimage,有文件系统的：systemimage,cacheimage,userdataimage,banyanCopyright©MediaTekInc.Allrig custgenmtk.config.generate-rules做了什么创建生成

mediatek/config/$project[$flavor]/ProjectConfig.mk(ifisaflavorproject)$project/ProjectConfig.mk tform/ProjectConfig.mkcommon/ProjectConfig没有则用common

如果project里的mk有某个宏，就用project里的，否则就 如果project里的mk有某个宏，就用project里的，否则就 的 custgenmtk.config.generate-rules做了什么生成按文件顺 ，然后再按文件夹(common, tfo先 文件夹下 mon文件再读 下 mon文件 再读common文件夹下的USER文件，再读 tfom下的USER文件 tform/aut mon/autoconfig/kconigAEE(如果定义mediatek/config/$project/autoconfig/kcon 文件夹(common,$ 删除mediatek/config/out/$project/▪Copyright©MediaTekInc.Allrig ▪将以下文件按顺 到mediatek/config/out/$project/ 过就不会custgen-mtk.custom.generate-rules 保留.svn文件夹和*.o*.a*.s*.ko*mod.c mediatek/custom/out/$project/( mediatek/confmediatek/conf Copyright©MediaTekInc.Allrig CustomFolderGenerationCopyright©MediaTekInc.Allrig FeatureOptionInfo–Copyright©MediaTekInc.Allrig drvgen转换kernel还需要./mkbootimageCopyright©MediaTekInc.Allrig codegen生成生成#include“tst_assert_headr_file.h”#include_item.h”#include生成Include所有在mon/cgen/cfgfileinc生成mediatek/custmon/cgen/inc/cfg_module_default.h:Include所有在mon/cgen/cfgdefault搜索到的头文件生成 METANvramUsecodegentocreatedatabase./makeMtk$PROJECTInthefolderofthispathPressthebuttonofreadfrom Selectthefile SelectthefileitemandpressthebuttonofreadfromNvRAMNONO如果更换NANDMCP不止NO需要newpreloader,uboot和kernel查找pagesize匹配的所有nandflash(不允许ID重复！否根据BOARD_ID和part根据BOARD_ID和partnumber匹配xls相同partnumber的MCP不能有不同的nand/emmcid最多可以兼容10颗(受限于MT7575/77不会生成emigen生成custom_emi.c/h和

如果更换NANDMCP不止修改 custom_MemryDevice.h这个文件的内容Copyright©MediaTekInc.Allrig Storesthehardwarerelatedinformation,schSEC_ROandforthesecuritytformusbring-upentireLinuxkernel

Usedfortherecveryprocedure(powerUsedtostorethekernelpanicdebugAndroidsystemForAndroidinternalStoreAndroidinternalcachedataorwebcachedataUserUsedforAndroidsystemtostoreuserdatasuchasusercontacts,settings,installedapplications…etcRecoverykernelimgeandit‟roofileHandlesalltheystemrecoveryadfirmwareupdatefunctionalitisptgenmediatek/build/tools/ptgen/partition_table.xls ptgen

NandMCP的话startaddress需要blockksizeksizeEMMC无此限

h hptgen决定用那个mediatek/build/too/ mediatesource/misc/$ atter.txt(_LCA.txt/_emmc.txt)

调用

ProjectConfgmk MTKPRODUCT_LOCALES、DEFAULT_LATIN_IME_LANGUAGES、DEFAULT_INPUT_METHOD、MTK_ME_XXX_UPPORT.liets

IM1//reOpion.java feature featureoption，则需要使用AUTO_ADD_GLOBAL_DEFINE_BY_NAME/AUTOADD_GLOBAL_DEFINE_BY_VALUE/AUTO_ADD_GLOBAL_DEFINE_BY_NAME_VALUE(preloader/uboot/kernel/android系统的c/c++都可以使用, XXX_TP=CTP#RTPor AUTO_ADD_GLOBAL_DEFINE_BY_NAMEXXX_NUM=1#1or

的 生成后将工具

Copyright©MediaTekInc.All在Android系统中，所有安装到系统的应用程序都必有一个数字 如果一个permission的protectionLevel为signature，那么就只有那些跟该 对前一步生成的Manifest，使用SHA1-RSA算法(用私钥通过RSA算法对信息进行加密。在安装时只能使用公钥才能它，之后，将它与未加密的信息进行对比，如果相符，则表明内容没有被异Copyright©MediaTekInc.Allrig 变量:MTK_MODEM_SUPPORT, =3&&==DSP_BL_DEBUG== DEBUGnouse▪Copyright©MediaTekInc.Allrig ▪DSP_BL_MODE==DSP_ROM_MODE==buildandconfigmodemforALPS(不包含MolyBuildmodemimage(MAUIbuildm[Project][modem]

E.g:11AMDW1137SP_MT6573V2_HSPA_MMI>mMT6573V2_MODEMHSPACopymodemfiles(total8)fromMAUItoFromMAUIToALPS er_filteDbgInfmConfiguremodemin

用于 Copyright©MediaTekInc.Allrig buildandconfigmodemforALPS(只针对MolyBuildmodemimage(Molybuild[Modemsource]>./make.sh[Projectmakefilename]

Copymodemfiles(total6)fromMAUItoConfiguremodemin最终包含在Copyright©MediaTekInc.Allrig 调用sign_modem.pl(之前会先做备份用 下SML_ENCODE_KEY.ini/SML_AUTH_KEY.iniSML_AUTH_CFGini( 调用mediatek/build/tools/SecRo/ecro_post.pl调用mediatek/build/tools/SecRo/SECRO_POSTmediatk/ustom/$proje 下security/sml_auth/SML_ENCODE_KEY.inisecro/AND_SECURE_ROSECRE_ROAC_REGIONmedatek/custom/$proj 下image_auth/IMG_AUTH_KEY.ini IMG_AUTH_KEYiniSFL_CFG.ini

下 Copyright©MediaTekInc.Allrig BuildSystemEnvironmentcustgen,check-dep,drvgen,codegen,nandgen,emigen,ptgen,gen-relkey,check-modem,buildandconfigmodemforALPS,sign-AndroidAndroidKernel相关的：booimage,有文件系统的：systemimage,cacheimage,userdataimage,banyanCopyright©MediaTekInc.Allrig

JB/JB2的Codebase中将不再有mediatek/source文件夹原先source文件夹下的内容直接提升到mediatek下面 ，已分配Copyright©MediaTekInc.Allrig

Copy*.bin=>Make-f

最终目标all=cleanshow_titleimg_auth_infoplcfginfosml_encode_infosml_auth_infobuild_infoproject_info tform/preloader/srcmediatek/custom/out/$project/preloadermediatek/source/preloader/bin/preloader_$projectelfSystem.map mediatek/custom/out/$projectcommon/mediatek/custom/out/$project/kernel/dc(cust_kpd.h, 生成Checkimg

或文件需要./mkr(n) Copyright©MediaTekInc.Allrig BuildSystemEnvironmentcustgen,check-dep,drvgen,codegen,nandgen,emigen,ptgen,gen-relkey,check-modem,buildandconfigmodemforALPS,sign-AndroidAndroidKernel相关的：booimage,有文件系统的：systemimage,cacheimage,userdataimage,banyanCopyright©MediaTekInc.Allrig

boo/uboot/执行执行执行执行执行chkImgSizeifMTK_CHKIMGSIZE_SUPPORT目标在mkconfig$projectarm$(MTK_CPU)$projetNULL

TARGET,ARCH,CPU,BOARD,VENDER=NULL(wilcreat/board/<VENDOR>/<BOARD>folder),SOC(willcreate/include/asm-建立软连接:arch/arm/include/asm=>nclude/asm,asm/proc-armv=>

生成config.mk和

生成mkimageu-boot.binUBOOT>Addheadertouboot_$pjectCopy*.bin=>out/Dow

最终目标allu-boot.srecu-boot.binSystem tforma,lib/,arch/arm/cpu/arm_cortexa9/,arch/arm/lib/,fs/,net/,disk/,drivers/,common/,api/,post/

ceatcompile- 或文件需要./mkr(n) (cust_kpd.hcust_gpio_usage.h)Copyright©MediaTekInc.Allrig BuildSystemEnvironmentcustgen,check-dep,drvgen,codegen,nandgen,emigen,ptgen,gen-relkey,check-modem,buildandconfigmodemforALPS,sign-AndroidAndroidKernel相关的：booimage,有文件系统的：systemimage,cacheimage,userdataimage,banyanCopyright©MediaTekInc.Allrig ./mk[project]r/nBuildBuildBuildBuildNoteNote:生成的lk.bin位于bootable/bootloader/lk/build-$(PROJECT)该makefile会被bootable/bootloader/lk/makefileinclude这些makefile在中 文件最终被Note：生成的obj文件位于bootable/bootloader/lk/build-$(PROJECT) 或文件需要./mkr(n) $(BUILDDIR)/%.raw:调用 转换为rawdataBuildSystemEnvironmentcustgen,check-dep,drvgen,codegen,nandgen,emigen,ptgen,gen-relkey,check-modem,buildandconfigmodemforALPS,sign-AndroidAndroidKernel相关的：booimage,有文件系统的：systemimage,cacheimage,userdataimage,banyanCopyright©MediaTekInc.Allrig

执行执行

检查scatterfile空间是否容纳的下cdTARGET_PRODUCT=<project>make config(如果是ICS2版本的[77/17版本]，则是TARGET_PRODUCT=<project>makeO=out 名为设置好后保存后会在kernel下(ics2在kernel/out)生成名为将 到 下并重,stik/ol

mediatek/config/$project/autoo KBUILD_OUTPUT_SUPPORT=yesmakeO=out 配置完后，newkernel，如果有错误可以用/mkmrproperkernel清除kernel，然后在newkernlCopyright©MediaTekInc.Allrig

makemediatek-kconfig文件在编译kernel时 到kernel/mediatek-configs和make备份.config为.config.old，然后通过Kconfig收集所有CONFIG_xxx.config得，然后重新生成新的.config(此时的.config已经和原先的.config有差异应的kconfig正确的做法是编写对应的kconfig文件，并加入其他 正确的方法是 oei/e_c/mediatek/custom/out/$project/hal/

Kernel 成 成c

Ke

里的文件默认包含进obj-yKernelmodule也会同时生成，但是并不会安装到 :通过 :此Android.mk不是正常的Android.mk，不能用 kmmkernel命令编译，只能remakeornew使用./mkrkkernel_module_path>kernel_module_path是一个kernelmodule(包含Makefile和Makefile有定义obj-编译出来的*.ko可以用lsmod,insmod,rmmod,modinfo修改以 mediatek/custom/$pomediatek/custom/$mon/mont/hal/mediatek/custom/$project/hal/

Copyright©MediaTekInc.Allrig BuildSystemEnvironmentcustgen,check-dep,drvgen,codegen,nandgen,emigen,ptgen,gen-relkey,check-modem,buildandconfigmodemforALPS,sign-AndroidAndroidKernel相关的：booimage,有文件系统的：systemimage,cacheimage,userdataimage,banyanCopyright©MediaTekInc.Allrig CCDifferenceofeng,user&BuildThingstoThisisthedefaultflavor.AinmakeisthesameasmakeInstallsnon-APKmodulesthathavenotagsInstallsAPKsaccordingtotheproductdefinitionfiles,inadditiontotaggedAPKs.ro.kerneladbisenabledbyThisistheflavorintendedtobethefinalreleaseInstallsnon-APKmodulesthathavenotagsInstallsAPKsaccordingtotheproductdefinitionfiles;tagsareignoredforAPKmodules.roadbisdisabledbyadbisenabledbyAnAndroid.mkdefineshowtobuildaparticularAndroid.mktypicallyincludesallofthefollowingName:Giveyourbuildaname(LOCAL_MODULE:=LocalVariables:ClearlocalvariableswithCLEAR_VARS(includeFiles:Determinewhichfilesyourapplicatondependsupon(LOCAL_SRC_FILES:=Tags:Definetags,asnecessary(LOCAL_MODULE_TAGS:=engLibraries:Definewhetheryourapplicationlinkswithother(LOCAL_SHARED_LIBRARIES:= tefile:Includea tefiletodefineunderliningmaketoolsforaparticular(include如何包含只要 找到Androidmk，就不会再往 Android.mk里调用include$(call-makefiles-under,LOCALVariablesBuildmoduleby“make

ugListsourcefilesthatwillbeusedinbuildingyourDefaultwillbeValuesforthesevarablescanbefoundinCopyright©MediaTekInc.Allrig LOCALVariablesLOCALVariablesmodulewillbebuiltandinstalledwhenitisValidvalues:user/eng/forapk:beinstalledwhenaddmodulenametoPRODUCT_PACKAGES(eg:inTAGS:=optionalandBuild:LOCAL_CHECKED_MODULEw/ofornon_apk:beinstlledwhenothermoduleuseit(eg:inRTAGS:=optionalandBuild:LOCAL_CHECKED_MODULEw/o–ForJB&–please–ForJB&–pleaseJB2Version,userTagisnotallowedtouseeoptionalTaguseruserdebugengtestsonlyonlybuildandbuildand buildandbuildandbuildandbuildandonlyonlyonlyonlyGES onlyonlyonlybuildandonlybuildandbuildandbuildandDULESatBuildhoststaticlibInclude 库:使用编译器:GCC4.4.3ICS)或GCC4.1.2GB)需要安装在host临时文件xx.o最终目标其他模 方法(在Android.mk定义了直 :临 到obj/NOTIC定义了各种基础目标(.c/.cpp/.s/.ly)并汇总成alCopyright©MediaTekInc.Allrig Buildhoststaticlib

到执行./mkmm<module_path>[ONE_SHOT_MAKEFILE=<module_path/Android.mkmake–C$Tall_modules会include安装时看到的MM

Buildtargetstatic

默认编译成thmbInclude 库:xx.o

:–临 到 LOCAL_COPY_HEADERS：LOCAL_COPY_HEDERS_TO

打包成staticlib时看到的

如需要可以指定BuildtargetsharedlibraryInclude 库:使用编译器:bo/TARGET_linux-am.mk临时文件:xx.o最终目标:临 含安 方法(在Android.mk定义了直 : 将 将 将 将 将 将 生成动 到symbols/system/lib下(用于果有果有去symbols放到obj/lib

kc.

到安 到Buildtargetsharedlibrary 标 将

为生成动

Buildtarget

如需要可以指定LOCALInclude

临时文件xx.o最终目标:临 含安 将可执行程 如 如

为

BuildtargetstaticjavaInclude用于生成java库:*.jar，用于java使用编译器:JDK1.6(ICS)或JDK1.5(GB)需要安装在hos临时文件:最终目标:其他模 方法(在Android.mk定义了直 :临 /javalib.jar将.java等编译成.class，在打包生成clases-full-debug.jar放在临 生成 生成 再打包生成 到$(PRODUCT_OUT)/obj/J/NTICE_F如果有/NTICE_F

生成javalib时看到的31 1 125BuildtargetjavaInclude用于生成dex库:*.jar，用于java使用编译器:JDK1.6(ICS)或JDK1.5(GB)需要安装在host临时文件:.最终目标:安 其他模 方法(在Android.mk定义了LOCAL直 /ji.jas!!! 定义LOCAL_JARJAR_RULES则调用jarjar.jar生成classes-jarjar.jar否

规

为为将javalib.jar(odex) 到objclasse9转换9

Dex

关闭userbuild的dexopt的方法是：修改build/core/main.mk里的WITH_DEXPREOPT为engbuild：因为没有抽取dex，所以第一次抽取dex时，参考的是init.rc的BOOTCLASSPATH，userbuild：通过编译系统(build/core/dex_preopt.mk)抽取了dex，所以在启动时一定要和Copyright©MediaTekInc.Allrig BuildpackageInclude用于生成apk:使用编译器:JDK1.6(ICS)或JDK1.5(GB)需要安装在host临时文件:./classes/*和./src/*最终目标:生成(no)proguard.classes.dex和之前生成javalib如果存在assets或 则在临 下生成，同时将 到下(除了p优化p

签_P名的custom时使用.lzipalign，备份未zipalign的apk为▪r ▪r$(PR•(

L$LiLtr(dixtes/package.apk,

xNOTICE Copyright©MediaTekInc.Allrig Buildpackage

则 下并替换下的资源

安 ，一般为 c.Allrig Jartodex引起java 解决方法：加大-JXmx1536M=>2048M1024的倍数4Copyright©MediaTekInc.Allrig 4其他java其他java此问题是运行signapkjar导致内存不足，需要修改下参eeBuildhost/target

到对 静 库 动 库 可支持LOCAL_STRIP_MODULE(host不支持可执行程序 可支持LOCAL_STRIP_MODULE(host不支持 到obj/NOTICE_FILE/s使用 可支持签名， From haslimitedddingnewfilestALL_PREBUILTmodulesarehrdtocontrolndauditandwedon‟twanttoaddanynewsuchmoduleintheUsePRODUCT_COPY_FLESHowtoaddto仅

Copyright©MediaTekInc.Allrig Builddroiddoc/apiFrameworkapicheck借助frameworkapi通过javadoc生成对比public_api.txt和$(最大数字) 对比public_api.txt和Mediatekframeworkapi对比mediatek_public_api.txt和$(最大数字./mkmm 如果Android.mk包含了诸如PRODUCT_COPY_FILESmedatek/source/factory),则不能 用./mkmmframworks/basemediatek/source/frameworks/med/audio/ 下存在pthmap.mk，那么audio mpathmap.mk/mkmmmediatek/source/frameworks/banyan/main来编译， 、teklrig

is75

将以下输出到将以下输出到Copyright©MediaTekInc.Allrig

注意$(TARGET_PRODUCT)与ducname必须匹配否则CTS测试

必须和BUILD_FINGERPRINT$(TARGET_PRODUCT) Copyright©MediaTekInc.Allrig ./mkbootimage--ramdisk--board注意CUSTOM_BUILD_VERNO要超过16参数

可以用gunzip-c mdisk-file)|pio–i解开(注意 ./mkbootimage慢在android编译系统中要包含所有Android.mk Copyright©MediaTekInc.Allrig ./mkbootimage依赖 Copyright©MediaTekInc.Allrig ./mk打包生成 $(PRODUCT_OUT)/obj/EXECUTABLES/gzipstatic_intermediates/gzip_static到 ( 到Dumpkey.ja用build/target/pr system/re/libmincrypt/ols打包生成输入-f-c2048-s64$(PRODUCTOUT)/system ()(-s$(PRODUCT_OUT)/system$(PRODUCT_OUT)/system.imgext4system 塞太多东西导致超出这个size的话，make_ext2fs会抛出错误，需要重新调整partitiontable（其他分区，如果有文件系为什么userbuildystem.img会比engbuildUserbuild默认开启Copyright©MediaTekInc.Allrig ./mk打包生成最后 到$(PRODUCT_OUT)/syst./mk./mk打包生成分区，scatterfile会有cache分区给android在nandMCP里，编译系统不会生成Yaffs2是个简单的文件系统空的分区格式化为0xFFflashtools会完成这个在EMMCMCP，会生成./mk )生成nativetest/d