我知道那里有许多描述此 Activity 的演练和教程,但是在阅读了其中许多之后,我仍然无法使其正常工作。如果有人有耐心完成我所采取的步骤(发布在下面)并提出我可能偏离轨道的地方,我将非常感激。我花了大约一天半的时间盯着制作文件和阅读演练,所以任何建议都会有所帮助。
环境:
根据 Initializing a Build Environment :
Java:
$ sudo add-apt-repository "deb http://archive.ubuntu.com/ubuntu dapper main multiverse"
$ sudo add-apt-repository "deb http://archive.ubuntu.com/ubuntu dapper-updates main multiverse"
$ sudo apt-get update
$ sudo apt-get install sun-java5-jdk
其他要求:
$ sudo apt-get install git-core gnupg flex bison gperf build-essential zip curl zlib1g-dev libc6-dev libncurses5-dev x11proto-core-dev libx11-dev libreadline5-dev libz-dev libgl1-mesa-dev
$ sudo apt-get install gcc-multilib g++-multilib libc6-i386 libc6-dev-i386
然后从 Downloading the Source Tree :
repo :
$ mkdir ~/bin
$ PATH=~/bin:$PATH
$ curl https://storage.googleapis.com/git-repo-downloads/repo > ~/bin/repo
$ chmod a+x ~/bin/repo
$ mkdir WORKING_DIRECTORY
$ cd WORKING_DIRECTORY
$ repo init -u https://android.googlesource.com/platform/manifest -b eclair
$ repo sync
$ gpg --import (imported the huge key)
来自 Building the System :
初始化:
$ source build/envsetup.sh
选择目标:
$ lunch generic-user
构建代码:
$ make -j4
已添加!
make -j4的输出:
============================================
PLATFORM_VERSION_CODENAME=REL
PLATFORM_VERSION=2.1-update1
TARGET_PRODUCT=generic
TARGET_BUILD_VARIANT=eng
TARGET_SIMULATOR=
TARGET_BUILD_TYPE=release
TARGET_ARCH=arm
HOST_ARCH=x86
HOST_OS=linux
HOST_BUILD_TYPE=release
BUILD_ID=ECLAIR
============================================
build/core/copy_headers.mk:15: warning: overriding commands for target `out/target/product/generic/obj/include/libpv/getactualaacconfig.h'
build/core/copy_headers.mk:15: warning: ignoring old commands for target `out/target/product/generic/obj/include/libpv/getactualaacconfig.h'
/bin/bash: line 0: cd: sdk/layoutopt/app/src/resources: No such file or directory
Install: out/host/linux-x86/bin/acp
target Generated: libclearsilver-jni <= out/host/common/obj/JAVA_LIBRARIES/clearsilver_intermediates/javalib.jar
target Generated: libclearsilver-jni <= out/host/common/obj/JAVA_LIBRARIES/clearsilver_intermediates/javalib.jar
host SharedLib: libneo_cs (out/host/linux-x86/obj/lib/libneo_cs.so)
host C++: aapt <= frameworks/base/tools/aapt/AaptAssets.cpp
host C++: aapt <= frameworks/base/tools/aapt/Command.cpp
error: error reading out/host/common/obj/JAVA_LIBRARIES/clearsilver_intermediates/javalib.jar; error in opening zip file
error: error reading out/host/common/obj/JAVA_LIBRARIES/clearsilver_intermediates/javalib.jar; error in opening zip file
error: error reading out/host/common/obj/JAVA_LIBRARIES/clearsilver_intermediates/javalib.jar; cannot read zip file
error: cannot access org.clearsilver.HDF
class file for org.clearsilver.HDF not found
javadoc: error - Class org.clearsilver.HDF not found.
Error: No classes were specified on the command line. Try -help.
make: *** [out/host/linux-x86/obj/SHARED_LIBRARIES/libclearsilver-jni_intermediates/org_clearsilver_HDF.h] Error 15
make: *** Waiting for unfinished jobs....
error: error reading out/host/common/obj/JAVA_LIBRARIES/clearsilver_intermediates/javalib.jar; cannot read zip file
error: cannot access org.clearsilver.CS
class file for org.clearsilver.CS not found
In file included from frameworks/base/tools/aapt/AaptAssets.h:18,
from frameworks/base/tools/aapt/AaptAssets.cpp:5:
frameworks/base/tools/aapt/ZipFile.h:65: warning: ‘typedef’ was ignored in this declaration
javadoc: error - Class org.clearsilver.CS not found.
Error: No classes were specified on the command line. Try -help.
In file included from frameworks/base/tools/aapt/AaptAssets.h:18,
from frameworks/base/tools/aapt/Main.h:14,
from frameworks/base/tools/aapt/Command.cpp:6:
frameworks/base/tools/aapt/ZipFile.h:65: warning: ‘typedef’ was ignored in this declaration
make: *** [out/host/linux-x86/obj/SHARED_LIBRARIES/libclearsilver-jni_intermediates/org_clearsilver_CS.h] Error 15
已添加!
所以事实证明我在这里遇到了一些问题。我假设一旦我克服了这些问题,我将拥有一个能够编译内核模块的环境。如果我错了,请纠正我。
接下来我进入包含我的 module.c 文件的目录,它是 makefile。 makefile的内容如下:
obj-m += mymodule.o
CROSS_COMPILE=~/WORKING_DIRECTORY/prebuilt/linux-x86/toolchain/arm-eabi-4.2.1/bin/arm-eabi-
KERNEL_DIR ?= /home/<myuser>/WORKING_DIRECTORY
VERSION = v1.1
all:
make -C $(KERNEL_DIR) M=$(PWD) ARCH=arm CROSS_COMPILE=$(CROSS_COMPILE) modules
rm -rf *.c~
rm -rf *.mod*
rm -rf *.o
clean:
make -C $(KERNEL_DIR) M=$(PWD) clean
我对 make 和 makefile 的经验很少,但这对我来说是合理的。我对这个文件的主要关注是 KERNEL-DIR 变量。我为该变量尝试了几个不同的值,但是在我不使用它的当前值的地方遇到了各种错误。当然,它仍然可能是错误的,所以欢迎在这里提出任何意见。
所以,据我所知,我应该能够在没有 args 或任何东西的情况下执行 make,并且会弄清楚它需要做什么。我尝试过使用和不使用 sudo 的 make、make -f。所有四种排列产生相同的结果:
make -C /home/<myuser>/WORKING_DIRECTORY M=/home/<myuser>/Desktop/<MyModuleDir> ARCH=arm CROSS_COMPILE=~/WORKING_DIRECTORY/prebuilt/linux-x86/toolchain/arm-eabi-4.2.1/bin/arm-eabi- modules
============================================
PLATFORM_VERSION_CODENAME=REL
PLATFORM_VERSION=2.1-update1
TARGET_PRODUCT=generic
TARGET_BUILD_VARIANT=eng
TARGET_SIMULATOR=
TARGET_BUILD_TYPE=release
TARGET_ARCH=arm
HOST_ARCH=x86
HOST_OS=linux
HOST_BUILD_TYPE=release
BUILD_ID=ECLAIR
============================================
make[1]: Entering directory `/home/<myuser>/WORKING_DIRECTORY'
build/core/copy_headers.mk:15: warning: overriding commands for target `out/target/product/generic/obj/include/libpv/getactualaacconfig.h'
build/core/copy_headers.mk:15: warning: ignoring old commands for target `out/target/product/generic/obj/include/libpv/getactualaacconfig.h'
/bin/bash: line 0: cd: sdk/layoutopt/app/src/resources: No such file or directory
Available sub-modules:
01-test dumpsys libminui LotsOfApps
20-dns.conf dvz libminzip lowstoragetest
95-configured dx libmp4recognizer_utility lsd
aapt dx-tests libmtdutils LunarLander
acc edify libnativehelper LunarLanderTests
AccountAndSyncSettings Email libneo_cgi MagicSmokeWallpapers
accRuntimeTest EmailTests libneo_cs make_cfst
acp emma libneo_util makedict
adb emmalib libnetutils make_g2g
adbd emulator libocr makekeycodes
add-property-tag emulator-arm libomx_aac_component_lib make_ve_grammar
afar emulator-hw libomx_aacdec_sharedlibrary mediaframeworktest
aidl emulator-tcg libomx_amr_component_lib MediaProvider
AlarmClock EnabledTestApp libomx_amrdec_sharedlibrary mediaserver
AliasActivity etc1tool libomx_amrenc_component_lib memtest
am eventanalyzer libomx_amrenc_sharedlibrary minigzip
android event-log-tags libomx_avc_component_lib mkbootfs
android.core.tests.annotation exc_dump libomx_avcdec_sharedlibrary mkbootimg
android.core.tests.archive ext libomx_baseclass_lib mksdcard
android.core.tests.concurrent Fallback libomx_common_lib mkstubs
android.core.tests.crypto fastboot libomx_m4v_component_lib mkyaffs2image
android.core.tests.dom FixedGridLayout libomx_m4vdec_sharedlibrary Mms
android.core.tests.logging flash_image libomx_mastercore_lib MmsTests
android.core.tests.luni.io FontLab libomx_mp3_component_lib monkey
android.core.tests.luni.lang framework libomx_mp3dec_sharedlibrary monkeyrunner
android.core.tests.luni.net FrameworkPermissionTests libomx_queue_lib mtpd
android.core.tests.luni.util framework-res libomx_sharedlibrary MultiResolution
android.core.tests.math FrameworkTest libop Music
android.core.tests.nio framework-tests libopencore_author MusicTests
android.core.tests.nio_char FrameworkTestTests libopencore_common nc
android.core.tests.prefs fsck_msdos libopencore_download netcfg
android.core.tests.regex fs_config libopencore_downloadreg netperf
android.core.tests.runner fs_get_stats libopencore_mp4local netserver
android.core.tests.security Gallery libopencore_mp4localreg ninepatch
android.core.tests.sql Gallery3D libopencore_net_support NinePatchLab
android.core.tests.text GalleryTests libopencore_player NoShareUidApp
android.core.tests.xml gdbserver libopencore_rtsp NotePad
android.core.tests.xnet genext2fs libopencore_rtspreg NotePadTests
android.cts.dpi GestureBuilder libosclbase opcontrol
android.cts.refapp GL2JNI libosclerror openssl
android.policy GLJNI libosclio OpenWnn
android.policy_mid GlobalSearch liboscllib oprofiled
android.policy_phone GlobalSearchBenchmarks libosclmemory org.eclipse.core.commands_3.4.0.I20080509-2000
androidprefs GlobalSearchPermissionTests libosclproc org.eclipse.equinox.common_3.4.0.v20080421-2006
android.test.runner GlobalSearchTests libosclregcli org.eclipse.jface_3.4.2.M20090107-0800
AndroidTests GlobalTime libosclregserv org-netbeans-api-visual
angeles GoogleContactsProvider libosclutil org-openide-util
ant GoogleContactsProviderTests libpagemap osgi
antlr-2.7.7 google-framework libpassthru_oma1 PackageInstaller
anttasks googlelogin-client libpcap parseStringTest
apicheck GoogleSearch libpixelflinger perm_checker
ApiDemos gpustate libpixelflinger_armv6 perm_checker.conf
ApiDemosReferenceTest gralloc.default libpixelflinger_static Phone
ApiDemosTests groovy-all-1.6.5 libplatform_library_jni PicoTts
apkbuilder grxmlcompile libpng ping
ApplicationsProvider gtest-filepath_test libpopt PinyinIME
applypatch gtest-linked_ptr_test libprotocolenginenode_base PlatformLibraryClient
applypatch_static gtest-message_test libprotocolenginenode_common platform.xml
app_process gtest-options_test libprotocolenginenode_download_common pm
AppWidgetHostTest gtest-port_test libprotocolenginenode_pdl post_trace
AppWidgetProvider gtest_pred_impl_unittest libprotocolenginenode_ps pppd
apriori gtest_prod_test libpv_aac_dec preload
archquery gtest-test-part_test libpvaacffparsernode ProcessTests
asm-3.1 gtest-typed-test2_test libpvaacffrecognizer procmem
atree gtest-typed-test_test libpvaacparser procrank
AudioHardwareRecord gtest_unittest libpvamrffparsernode profile_pid
AudioHardwareRecordLoop gzip libpvamrffrecognizer profile_trace
AudioInRecord HelloActivity libpv_amr_nb_common_lib Provision
backup_helper_test HelloActivityTests libpvamrwbdecoder pvplayer
BackupTest hierarchyviewer libpvauthorengine q2dm
BatteryWaster hist_trace libpv_avc_common_lib q2g
bb2sym Home libpvavcdecoder qemud
bb_dump hosttestlib libpvavifileparser qemu-props
bbprof hprof-conv libpv_config_parser qwerty2.kcm
bison HTMLViewer libpvdecoder_gsmamr qwerty.kcm
Bluetooth icache libpvdownloadinterface racoon
BluetoothChat icudata libpvdownloadmanagernode radiooptions
BluetoothDebug idegen libpvdownloadreginterface read_addr
bmgr ime libpvencoder_gsmamr read_method
bookmarks.xml ImfTest libpvfileoutputnode read_pid
bootanimation ImfTestTests libpvfileparserutils read_trace
Browser imgdiff libpvframemetadatautility recovery
BrowserPowerTests init libpvgendatastruct required_hardware.xml
BrowserTestPlugin input libpvgsmamrparser rgb2565
BrowserTests installd libpv_http_parcom rild
bsdiff invoke_mock_media_player libpvid3parcom rsg-generator
bspatch iptables libpvjitterbuffer RSSReader
btool ip-up-vpn libpvjitterbuffernode run-core-tests
bugreport iself libpvjitterbufferrtp run-core-tests-on-ri
BusinessCard isprelinked libpvlatmpayloadparser safe_iop_test
Calculator jarjar libpvmediadatastruct SampleBrowserPlugin
CalculatorTests jarutils libpvmediainputnode schedtest
Calendar jasmin libpvmedialayernode scp
CalendarProvider jasmin.jar libpvmediaoutputnode screenshot2
CalendarProviderTests javax.obex libpvmf sdklib
CalendarTests jcommon-1.0.12 libpvmfrecognizer sdkmanager
Camera jdiff libpvmimeutils SdkSetup
CameraTests jdwpspy libpvmioaviwavfileinput sdkstats
CertInstaller JETBoy libpvmiofileinput sdkuilib
cfassembler jfreechart-1.0.9 libpvmiofileoutput sdutil
check-lost+found jfreechart-1.0.9-swt libpvmp3 SearchableDictionary
check_prereq junit libpvmp3ff sensors.goldfish
check_stack jython libpvmp3ffparsernode service
check_trace kcm libpvmp3ffrecognizer servicemanager
clearsilver keystore libpvmp4decoder services
cmu2nuance keystore_cli libpvmp4ff Settings
com.android.inputmethod.pinyin.lib KeyStoreTests libpvmp4ffcomposer SettingsProvider
com.example.android.platform_library kxml2-2.3.0 libpvmp4ffcomposernode SettingsTests
commons-compress-1.0 latencytop libpvmp4ffparsernode sh
Compass LatinIME libpvmp4ffrecognizer ShareUidApp
ContactManager Launcher libpvmp4interface showlease
Contacts Launcher2 libpvmp4reginterface showmap
ContactsProvider launchperf libpvomxaudiodecnode showslab
ContactsProviderTests layoutlib libpvomxbasedecnode sig
ContactsTests layoutlib_api libpvomxencnode sig-check
core layoutlib_create libpv_omx_interface sig-create
core-tests layoutlib_utils libpvomx_proxy_lib signapk
CoreTests layoutopt libpvomxvideodecnode SignatureTest
coverage libabi libpvplayer_engine SignatureTestTests
cpueater libacc libpvpvxparser signature-tools
cpufeatures libaes libpvrtsp_cli_eng_node SimpleJNI
crasher libandroidpv libpvrtspinterface SkeletonApp
create_test_dmtrace libandroidpvauthor libpv_rtsp_parcom SkeletonAppTests
cts libandroid_runtime libpvrtspreginterface skia_bench
CtsAccessibilityServiceTestCases libandroid_servers libpvsdpparser skia_gm
CtsAccountManagerTestCases libapplypatch libpvsocketnode SlowSuggestions
CtsAppAccessData libarity libpvstreamingmanagernode SmokeTest
CtsAppSecurityTests libastl libpvthreadmessaging SmokeTestApp
CtsAppTestCases libaudioflinger libpvwav Snake
CtsAppWithData libaudiointerface libpvwavffparsernode SnakeTests
CtsBluetoothTestCases libaudiopolicygeneric libpvwavffrecognizer SoftKeyboard
CtsContentTestCases libbinder librank soslim
cts-dalvik-buildutil libbz libreference-cdma-sms sound
CtsDatabaseTestCases libc libreference-ril SoundRecorder
CtsDelegatingAccessibilityService libcameraservice libril SpammySuggestions
CtsDpiTestCases libcamerastub libRS SpareParts
CtsDpiTestCases2 libc_common librs_jni spec-progress
CtsExampleTestCases libc_debug librtppayloadparser sqlite3
CtsGestureTestCases libclearsilver-jni librtprtcp SRecTest
CtsGraphicsTestCases libc_nomalloc libsafe_iop SRecTestAudio
CtsHardwareTestCases libcolorconvert libsampleplugin ssh
CtsInstrumentationAppDiffCert libcpm libSDL SslLoad
CtsJniTestCases libcrypto libSDLmain stack_dump
CtsLocationTestCases libctest libsimplejni StatusBarTest
CtsMediaTestCases libcts_jni libskia Stk
CtsNetTestCases libctspermission_jni libskiagl strace
CtsOsTestCases libcutils libsonivox stringtemplate
CtsPerformance2TestCases libdb libsoundpool su
CtsPerformance3TestCases libdbus libspeex surfaceflinger
CtsPerformance4TestCases libdbus-tools-common libsqlite svc
CtsPerformance5TestCases libdex libsqlite3_android swing-worker-1.1
CtsPerformanceTestCases libdl libsqlite3_phone_number_utils_test swt
CtsPermission2TestCases libdrm1 libsqlite3_phonetic_string_utils_test system_server
CtsPermissionDeclareApp libdrm1_jni libSR_AcousticModels tcpdump
CtsPermissionTestCases libdrm2 libSR_AcousticState TelephonyProvider
CtsProviderTestCases libdvm libSR_AudioIn telephonytest
CtsSharedUidInstall libebl libSR_Core temp_layoutlib
CtsSharedUidInstallDiffCert libebl_arm libsrec_jni Term
CtsSimpleAppInstall libedify libSR_EventLog test_defs.xml
CtsSimpleAppInstallDiffCert libEGL libSR_G2P TestDeviceSetup
CtsSpeechTestCases libelf libSR_Grammar test-fb-refresh
CtsTargetInstrumentationApp libelfcopy libSR_Nametag test-fb-simple
CtsTelephonyTestCases libembunit libSR_Recognizer test_g2g
CtsTestStubs libemoji libSR_Semproc test-mdp
CtsTextTestCases libESR_Portable libSR_Session test-opengl-codegen
CtsUsePermissionDiffCert libESR_Shared libSR_Vocabulary test-opengl-fillrate
CtsUtilTestCases libETC1 libssl test-opengl-filter
CtsViewTestCases libexif libstagefright test-opengl-finish
CtsWebkitTestCases libexpat libstagefright_omx test-opengl-gl2_basic
CtsWidgetTestCases libext libstdc++ test-opengl-gl_basic
CubeLiveWallpapers libfdlibm libsurfaceflinger test-opengl-gralloc
CustomLocale libFFTEm libsvoxpico test-opengl-linetex
daemonize libfst libsystem_server test-opengl-swapinterval
dalvikvm libft2 libsysutils test-opengl-textures
dasm libgetactualaacconfig libterm test-opengl-tritex
dbus-daemon libgif libtestplugin test-progress
dbus-monitor libgl2jni libthread_db test-progress-new
dbus-send libGLES_android libthreadsafe_callback_ao test_swiarb
ddmlib libGLESv1_CM libtinyxml test_zipfile
ddms libGLESv2 libtomcrypt timeinfo
ddmuilib libgljni libtommath timetest
debuggerd libgoogleclient libttspico toolbox
DensityTest libgtest libttssynthproxy traceview
descGen libgtest_main libui TransformTest
DeskClock libhardware libunz TtsService
Development libhardware_legacy libutil tuttle2.kcm
dexdeps libhost libutils uix
dexdump libicudata-default libvorbisidec updater
dexlist libicudata-eu libwbxml UpgradeExample
dexopt libicudata-jp libwbxml_jni usbtest
dexopt-wrapper libicudata-large libwebcore UserDictionaryProvider
dexpreopt libicudata-us libwnndict VisualizationWallpapers
dex-tools libicui18n libWnnEngDic vm-tests
dhcpcd libicuuc libWnnJpnDic VoiceDialer
dhcpcd-run-hooks libiptc libwpa_client Voiper
dictTest libjavacore libxml2 vold
DisabledTestApp libjni_latinime libxml2wbxml VpnServices
dmtracedump libjni_pinyinime libz wbxmltest
DownloadProvider libjnitest libzipfile wdsclient
draw9patch libjpeg LightingTest webkitmerge
DrmProvider liblog line_endings Wiktionary
droiddoc libm linker WiktionarySimple
dumpeventlog libm4v_config LiveWallpapers xmlwriter
dumpkey libmedia LiveWallpapersPicker yuv420sp2rgb
dump_regions libmedia_jni localize zipalign
DumpRenderTree libmediaplayerservice logcat
dumpstate libmincrypt logwrapper
make[1]: Leaving directory `/home/<myuser>/WORKING_DIRECTORY'
rm -rf *.c~
rm -rf *.mod*
rm -rf *.o
您会注意到一些奇怪的警告,但据我所知,它们并不是真正的问题。如果有人对这些有不同的看法,请说出来。
make[1]: Entering directory `/home/<myuser>/WORKING_DIRECTORY'
build/core/copy_headers.mk:15: warning: overriding commands for target `out/target/product/generic/obj/include/libpv/getactualaacconfig.h'
build/core/copy_headers.mk:15: warning: ignoring old commands for target `out/target/product/generic/obj/include/libpv/getactualaacconfig.h'
/bin/bash: line 0: cd: sdk/layoutopt/app/src/resources: No such file or directory
我猜最后一行听起来很可疑,但我不知道该怎么办。除了我提到的一些奇怪的事情,看起来这一切都很顺利。但是,整个事情完成后,我还是找不到 *.ko 文件。我做了一个 ls -alRg | grep *.ko 在我的主目录上,它什么也没有出现。我难住了。如果我可以提供更多信息或运行任何测试或尝试任何不同的方法,我会经常检查。
最佳答案
抱歉迟到了,希望对你有帮助:
我在我的索尼爱立信 Xperia Arc S 上编写并测试了代码,它可以工作(通常应该适用于任何 Android 手机)。
通过adb和USB连接,“su”到root,“lsmod”列出了所有内核模块(一般情况下,文章在
http://web.archive.org/web/20121106004141/http://developer.sonymobile.com/2011/05/06/how-to-build-a-linux-kernel很好地介绍了索尼爱立信手机的 Linux 内核编译要做什么):
lsmod
android_module 654 0 - Live 0x7f007000 (P)
sdio 16532 0 - Live 0x7f000000
“android_module”是我通过insmod android_module.ko插入的。
操作方法如下:
首先复制原始程序:
http://rechtzeit.wordpress.com/2011/03/21/77/
或转载如下:
android_module.c:
#include"linux/module.h"
#include"linux/kernel.h"
//replace the "" with angular brackets
int init_module(void)
{
printk(KERN_INFO "Hello android kernel...\n");
return 0;
}
void cleanup_module(void)
{
printk(KERN_INFO "Goodbye android kernel...\n");
}
生成文件:
obj-m += android_module.o
all:
make -C /home/tteikhua/android/sony_ericsson_src/58/kernel/ M=$(PWD) modules
clean:
make -C /home/tteikhua/android/sony_ericsson_src/58/kernel/ M=$(PWD) clean
内核所在的目录(上面的“-C”)就是内核所在的目录。
以下命令将使用上面的 Makefile:
ARCH=arm CROSS_COMPILE=/opt/CodeSourcery/Sourcery_G++_Lite/bin/arm-none-linux-gnueabi- make
如上图,我使用的交叉编译器来自CodeSourcery。
在insmod android_module.ko之后你可以在dmesg输出中看到调试信息:
<6>[11184.063507] Hello android kernel...
<7>[11619.209655] msmrtc_timeremote_set_time: 11/29/2011 10:09:36 (04)
<6>[11619.210418] RPC CALL -- TOD TIME UPDATE: ttick = 404244221
<6>[11619.210418] stamp=52910543933046785, freq = 0
<7>[11619.211578] msmrtc_tod_proc_result: 12/29/2011 10:09:36 (03)
<6>[11619.211578] rs30000048 rs30000048.262144: setting system clock to 2011-12-29 10:09:36 UTC (1325153376)
<6>[11662.112365] device rmnet0 left promiscuous mode
<6>[11662.112579] device rmnet0 entered promiscuous mode
<6>[11669.958221] device rmnet0 left promiscuous mode
<6>[11669.958435] device rmnet0 entered promiscuous mode
<7>[11698.181060] msmrtc_timeremote_set_time: 11/29/2011 10:10:55 (04)
<6>[11698.187622] RPC CALL -- TOD TIME UPDATE: ttick = 406832008
<6>[11698.187652] stamp=52910548228014081, freq = 0
<7>[11698.193939] msmrtc_tod_proc_result: 12/29/2011 10:10:55 (03)
<6>[11698.194030] rs30000048 rs30000048.262144: setting system clock to 2011-12-29 10:10:55 UTC (1325153455)
<6>[11814.442901] bq27520 0-0055: bq27520_handle_soc_worker() capacity=97 (100) flags=0x229 ctrl_status=0x28b soh_state=0x3, valid=1
<6>[11984.057373] Goodbye android kernel...
“再见”是在执行 rmmod android_module 时。中间是来自内核中其他组件的调试消息。
最后的话:
以上是2011年写的,更多现代资源请引用以下内容开始:
https://source.android.com/docs/core/architecture/kernel/modular-kernels
https://source.android.com/docs/core/architecture/kernel
https://source.android.com/docs/setup/build/building-kernels
https://source.android.com/docs/core/architecture/kernel/loadable-kernel-modules
关于android - 如何为 Android 创建可加载的内核模块?,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/6282669/
假设我做了一个模块如下:m=Module.newdoclassCendend三个问题:除了对m的引用之外,还有什么方法可以访问C和m中的其他内容?我可以在创建匿名模块后为其命名吗(就像我输入“module...”一样)?如何在使用完匿名模块后将其删除,使其定义的常量不再存在? 最佳答案 三个答案:是的,使用ObjectSpace.此代码使c引用你的类(class)C不引用m:c=nilObjectSpace.each_object{|obj|c=objif(Class===objandobj.name=~/::C$/)}当然这取决于
出于纯粹的兴趣,我很好奇如何按顺序创建PI,而不是在过程结果之后生成数字,而是让数字在过程本身生成时显示。如果是这种情况,那么数字可以自行产生,我可以对以前看到的数字实现垃圾收集,从而创建一个无限系列。结果只是在Pi系列之后每秒生成一个数字。这是我通过互联网筛选的结果:这是流行的计算机友好算法,类机器算法:defarccot(x,unity)xpow=unity/xn=1sign=1sum=0loopdoterm=xpow/nbreakifterm==0sum+=sign*(xpow/n)xpow/=x*xn+=2sign=-signendsumenddefcalc_pi(digits
作为我的Rails应用程序的一部分,我编写了一个小导入程序,它从我们的LDAP系统中吸取数据并将其塞入一个用户表中。不幸的是,与LDAP相关的代码在遍历我们的32K用户时泄漏了大量内存,我一直无法弄清楚如何解决这个问题。这个问题似乎在某种程度上与LDAP库有关,因为当我删除对LDAP内容的调用时,内存使用情况会很好地稳定下来。此外,不断增加的对象是Net::BER::BerIdentifiedString和Net::BER::BerIdentifiedArray,它们都是LDAP库的一部分。当我运行导入时,内存使用量最终达到超过1GB的峰值。如果问题存在,我需要找到一些方法来更正我的代
关闭。这个问题是opinion-based.它目前不接受答案。想要改进这个问题?更新问题,以便editingthispost可以用事实和引用来回答它.关闭4年前。Improvethisquestion我想在固定时间创建一系列低音和高音调的哔哔声。例如:在150毫秒时发出高音调的蜂鸣声在151毫秒时发出低音调的蜂鸣声200毫秒时发出低音调的蜂鸣声250毫秒的高音调蜂鸣声有没有办法在Ruby或Python中做到这一点?我真的不在乎输出编码是什么(.wav、.mp3、.ogg等等),但我确实想创建一个输出文件。
使用带有Rails插件的vim,您可以创建一个迁移文件,然后一次性打开该文件吗?textmate也可以这样吗? 最佳答案 你可以使用rails.vim然后做类似的事情::Rgeneratemigratonadd_foo_to_bar插件将打开迁移生成的文件,这正是您想要的。我不能代表textmate。 关于ruby-使用VimRails,您可以创建一个新的迁移文件并一次性打开它吗?,我们在StackOverflow上找到一个类似的问题: https://sta
我对最新版本的Rails有疑问。我创建了一个新应用程序(railsnewMyProject),但我没有脚本/生成,只有脚本/rails,当我输入ruby./script/railsgeneratepluginmy_plugin"Couldnotfindgeneratorplugin.".你知道如何生成插件模板吗?没有这个命令可以创建插件吗?PS:我正在使用Rails3.2.1和ruby1.8.7[universal-darwin11.0] 最佳答案 随着Rails3.2.0的发布,插件生成器已经被移除。查看变更日志here.现在
我有一个包含模块的模型。我想在模块中覆盖模型的访问器方法。例如:classBlah这显然行不通。有什么想法可以实现吗? 最佳答案 您的代码看起来是正确的。我们正在毫无困难地使用这个确切的模式。如果我没记错的话,Rails使用#method_missing作为属性setter,因此您的模块将优先,阻止ActiveRecord的setter。如果您正在使用ActiveSupport::Concern(参见thisblogpost),那么您的实例方法需要进入一个特殊的模块:classBlah
我刚刚为fedora安装了emacs。我想用emacs编写ruby。为ruby提供代码提示、代码完成类型功能所需的工具、扩展是什么? 最佳答案 ruby-mode已经包含在Emacs23之后的版本中。不过,它也可以通过ELPA获得。您可能感兴趣的其他一些事情是集成RVM、feature-mode(Cucumber)、rspec-mode、ruby-electric、inf-ruby、rinari(用于Rails)等。这是我当前用于Ruby开发的Emacs配置:https://github.com/citizen428/emacs
如何使用RSpec::Core::RakeTask初始化RSpecRake任务?require'rspec/core/rake_task'RSpec::Core::RakeTask.newdo|t|#whatdoIputinhere?endInitialize函数记录在http://rubydoc.info/github/rspec/rspec-core/RSpec/Core/RakeTask#initialize-instance_method没有很好的记录;它只是说:-(RakeTask)initialize(*args,&task_block)AnewinstanceofRake
关闭。这个问题需要detailsorclarity.它目前不接受答案。想改进这个问题吗?通过editingthispost添加细节并澄清问题.关闭8年前。Improvethisquestion为什么SecureRandom.uuid创建一个唯一的字符串?SecureRandom.uuid#=>"35cb4e30-54e1-49f9-b5ce-4134799eb2c0"SecureRandom.uuid方法创建的字符串从不重复?