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KsDumper:内核级转储工具的原理与应用

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46KB | 更新于2025-08-08 | 153 浏览量 | 0 下载量 举报 收藏
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标题所揭示的知识点为“KsDumper重建内核(Kernel)”,这表明该文件或工具主要涉及操作系统内核的某些操作。描述中提到的“内核模式转储器(Kernelmode dumper)”是一项能够转储任何进程主要模块的技术,该技术使用内核驱动来实现,支持x86和x64架构。 首先需要了解的是内核模式转储器的含义。在操作系统中,内核模式指的是系统最高权限模式,此时运行的代码可以完全控制系统硬件和软件资源。使用内核驱动(Kernel Driver)可以访问和操作系统底层数据结构,比如进程、模块等。这意味着可以对运行中的进程进行深入的操作,包括但不限于读取、修改和转储数据。 描述中提到的“Dump any process main module”,意指该工具可以转储(Dump)任何进程的主要模块。在计算机术语中,进程的主要模块通常指的是该进程的可执行文件(.exe)或其他主要组件,例如动态链接库(DLL)。对于安全和调试来说,能够获取进程的主要模块信息是非常重要的。 接着,描述中提到“Rebuild PE32/PE64 header and sections”,这说明该工具还具备重建PE(Portable Executable)文件头和节(sections)的能力。PE是Windows操作系统中可执行文件和DLL文件的格式,PE32/PE64分别对应32位和64位的PE文件。重建PE头和节意味着即使原始的可执行文件结构被破坏或修改,也能够通过该工具恢复出正常结构,这在解决软件兼容性问题、恢复受损程序等方面非常有用。 描述中还提到了该工具可以工作在“protected system processes & processes with stripped handles”。这说明该工具能够处理那些被保护的系统进程以及句柄被剥离的进程。系统进程往往受到操作系统的保护,不容易被外部程序访问;而剥离句柄(handle stripping)则是安全软件常见的一种防止外部程序干预进程的方式。支持这些特点意味着该工具具有较高的权限操作能力,且可用于绕过某些安全机制。 最后,根据标签“rebuild Kernel”和文件名称列表“KsDumper-master”,可以看出该工具不仅与内核重建相关,而且还可能是一个开源项目。"Master"通常在源代码管理中用来标识主分支或主版本,意味着该压缩包可能包含了该项目的完整源代码和可执行文件。 将上述知识点整合,我们可以总结出以下几点: 1. KsDumper是一个内核模式下的转储工具,它使用内核驱动来访问和操作运行中的进程。 2. 它可以转储任何进程的主要模块,这对于分析和调试软件非常重要。 3. 该工具具备重建PE格式文件头和节的能力,有助于在文件结构损坏时恢复数据。 4. 它能够处理系统级保护的进程以及句柄被剥离的进程,显示出其在权限操作上的高级能力。 5. 该工具可能是一个开源项目,相关的代码和资源被封装在名为“KsDumper-master”的压缩包中。 需要注意的是,这类工具如果被用于恶意目的,比如用于制作恶意软件、盗取知识产权或侵犯用户隐私,将会带来严重的安全风险和法律问题。因此,这些工具应仅由有合法需求的专业人士在遵守相关法律和道德规范的前提下使用。

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分析代码:################################################################################ # # Linux kernel target # ################################################################################ LINUX_VERSION = $(call qstrip,$(BR2_LINUX_KERNEL_VERSION)) LINUX_LICENSE = GPLv2 LINUX_LICENSE_FILES = COPYING # Compute LINUX_SOURCE and LINUX_SITE from the configuration ifeq ($(BR2_LINUX_KERNEL_CUSTOM_TARBALL),y) LINUX_TARBALL = $(call qstrip,$(BR2_LINUX_KERNEL_CUSTOM_TARBALL_LOCATION)) LINUX_SITE = $(patsubst %/,%,$(dir $(LINUX_TARBALL))) LINUX_SOURCE = $(notdir $(LINUX_TARBALL)) BR_NO_CHECK_HASH_FOR += $(LINUX_SOURCE) else ifeq ($(BR2_LINUX_KERNEL_CUSTOM_LOCAL),y) LINUX_SITE = $(call qstrip,$(BR2_LINUX_KERNEL_CUSTOM_LOCAL_PATH)) LINUX_SITE_METHOD = local else ifeq ($(BR2_LINUX_KERNEL_CUSTOM_GIT),y) LINUX_SITE = $(call qstrip,$(BR2_LINUX_KERNEL_CUSTOM_REPO_URL)) LINUX_SITE_METHOD = git else ifeq ($(BR2_LINUX_KERNEL_CUSTOM_HG),y) LINUX_SITE = $(call qstrip,$(BR2_LINUX_KERNEL_CUSTOM_REPO_URL)) LINUX_SITE_METHOD = hg else LINUX_SOURCE = linux-$(LINUX_VERSION).tar.xz ifeq ($(BR2_LINUX_KERNEL_CUSTOM_VERSION),y) BR_NO_CHECK_HASH_FOR += $(LINUX_SOURCE) endif ifeq ($(BR2_LINUX_KERNEL_SAME_AS_HEADERS)$(BR2_KERNEL_HEADERS_VERSION),yy) BR_NO_CHECK_HASH_FOR += $(LINUX_SOURCE) endif # In X.Y.Z, get X and Y. We replace dots and dashes by spaces in order # to use the $(word) function. We support versions such as 4.0, 3.1, # 2.6.32, 2.6.32-rc1, 3.0-rc6, etc. ifeq ($(findstring x2.6.,x$(LINUX_VERSION)),x2.6.) LINUX_SITE = $(BR2_KERNEL_MIRROR)/linux/kernel/v2.6 else ifeq ($(findstring x3.,x$(LINUX_VERSION)),x3.) LINUX_SITE = $(BR2_KERNEL_MIRROR)/linux/kernel/v3.x else ifeq ($(findstring x4.,x$(LINUX_VERSION)),x4.) LINUX_SITE = $(BR2_KERNEL_MIRROR)/linux/kernel/v4.x endif # release candidates are in testing/ subdir ifneq ($(findstring -rc,$(LINUX_VERSION)),) LINUX_SITE := $(LINUX_SITE)/testing endif # -rc endif LINUX_PATCHES = $(call qstrip,$(BR2_LINUX_KERNEL_PATCH)) # We rely on the generic package infrastructure to download and apply # remote patches (downloaded from ftp, http or https). For local # patches, we can't rely on that infrastructure, because there might # be directories in the patch list (unlike for other packages). LINUX_PATCH = $(filter ftp://% http://% https://%,$(LINUX_PATCHES)) LINUX_INSTALL_IMAGES = YES LINUX_DEPENDENCIES += host-kmod host-lzop host-lzma ifeq ($(BR2_LINUX_KERNEL_UBOOT_IMAGE),y) LINUX_DEPENDENCIES += host-uboot-tools endif LINUX_MAKE_FLAGS = \ HOSTCC="$(HOSTCC)" \ HOSTCFLAGS="$(HOSTCFLAGS)" \ ARCH=$(KERNEL_ARCH) \ INSTALL_MOD_PATH=$(TARGET_DIR) \ CROSS_COMPILE="$(TARGET_CROSS)" \ DEPMOD=$(HOST_DIR)/sbin/depmod LINUX_MAKE_ENV = \ $(TARGET_MAKE_ENV) \ BR_BINARIES_DIR=$(BINARIES_DIR) # Get the real Linux version, which tells us where kernel modules are # going to be installed in the target filesystem. LINUX_VERSION_PROBED = `$(MAKE) $(LINUX_MAKE_FLAGS) -C $(LINUX_DIR) --no-print-directory -s kernelrelease 2>/dev/null` ifeq ($(BR2_LINUX_KERNEL_USE_INTREE_DTS),y) KERNEL_DTS_NAME = $(call qstrip,$(BR2_LINUX_KERNEL_INTREE_DTS_NAME)) else ifeq ($(BR2_LINUX_KERNEL_USE_CUSTOM_DTS),y) # We keep only the .dts files, so that the user can specify both .dts # and .dtsi files in BR2_LINUX_KERNEL_CUSTOM_DTS_PATH. Both will be # copied to arch/<arch>/boot/dts, but only the .dts files will # actually be generated as .dtb. KERNEL_DTS_NAME = $(basename $(filter %.dts,$(notdir $(call qstrip,$(BR2_LINUX_KERNEL_CUSTOM_DTS_PATH))))) endif KERNEL_DTBS = $(addsuffix .dtb,$(KERNEL_DTS_NAME)) ifeq ($(BR2_LINUX_KERNEL_IMAGE_TARGET_CUSTOM),y) LINUX_IMAGE_NAME = $(call qstrip,$(BR2_LINUX_KERNEL_IMAGE_NAME)) LINUX_TARGET_NAME = $(call qstrip,$(BR2_LINUX_KERNEL_IMAGE_TARGET_NAME)) ifeq ($(LINUX_IMAGE_NAME),) LINUX_IMAGE_NAME = $(LINUX_TARGET_NAME) endif else ifeq ($(BR2_LINUX_KERNEL_UIMAGE),y) LINUX_IMAGE_NAME = uImage else ifeq ($(BR2_LINUX_KERNEL_APPENDED_UIMAGE),y) LINUX_IMAGE_NAME = uImage else ifeq ($(BR2_LINUX_KERNEL_BZIMAGE),y) LINUX_IMAGE_NAME = bzImage else ifeq ($(BR2_LINUX_KERNEL_ZIMAGE),y) LINUX_IMAGE_NAME = zImage else ifeq ($(BR2_LINUX_KERNEL_ZIMAGE_EPAPR),y) LINUX_IMAGE_NAME = zImage.epapr else ifeq ($(BR2_LINUX_KERNEL_APPENDED_ZIMAGE),y) LINUX_IMAGE_NAME = zImage else ifeq ($(BR2_LINUX_KERNEL_CUIMAGE),y) LINUX_IMAGE_NAME = cuImage.$(KERNEL_DTS_NAME) else ifeq ($(BR2_LINUX_KERNEL_SIMPLEIMAGE),y) LINUX_IMAGE_NAME = simpleImage.$(KERNEL_DTS_NAME) else ifeq ($(BR2_LINUX_KERNEL_IMAGE),y) LINUX_IMAGE_NAME = Image else ifeq ($(BR2_LINUX_KERNEL_LINUX_BIN),y) LINUX_IMAGE_NAME = linux.bin else ifeq ($(BR2_LINUX_KERNEL_VMLINUX_BIN),y) LINUX_IMAGE_NAME = vmlinux.bin else ifeq ($(BR2_LINUX_KERNEL_VMLINUX),y) LINUX_IMAGE_NAME = vmlinux else ifeq ($(BR2_LINUX_KERNEL_VMLINUZ),y) LINUX_IMAGE_NAME = vmlinuz endif # The if-else blocks above are all the image types we know of, and all # come from a Kconfig choice, so we know we have LINUX_IMAGE_NAME set # to something LINUX_TARGET_NAME = $(LINUX_IMAGE_NAME) endif LINUX_KERNEL_UIMAGE_LOADADDR = $(call qstrip,$(BR2_LINUX_KERNEL_UIMAGE_LOADADDR)) ifneq ($(LINUX_KERNEL_UIMAGE_LOADADDR),) LINUX_MAKE_FLAGS += LOADADDR="$(LINUX_KERNEL_UIMAGE_LOADADDR)" endif # Compute the arch path, since i386 and x86_64 are in arch/x86 and not # in arch/$(KERNEL_ARCH). Even if the kernel creates symbolic links # for bzImage, arch/i386 and arch/x86_64 do not exist when copying the # defconfig file. ifeq ($(KERNEL_ARCH),i386) KERNEL_ARCH_PATH = $(LINUX_DIR)/arch/x86 else ifeq ($(KERNEL_ARCH),x86_64) KERNEL_ARCH_PATH = $(LINUX_DIR)/arch/x86 else KERNEL_ARCH_PATH = $(LINUX_DIR)/arch/$(KERNEL_ARCH) endif ifeq ($(BR2_LINUX_KERNEL_VMLINUX),y) LINUX_IMAGE_PATH = $(LINUX_DIR)/$(LINUX_IMAGE_NAME) else ifeq ($(BR2_LINUX_KERNEL_VMLINUZ),y) LINUX_IMAGE_PATH = $(LINUX_DIR)/$(LINUX_IMAGE_NAME) else LINUX_IMAGE_PATH = $(KERNEL_ARCH_PATH)/boot/$(LINUX_IMAGE_NAME) endif # BR2_LINUX_KERNEL_VMLINUX define LINUX_APPLY_LOCAL_PATCHES for p in $(filter-out ftp://% http://% https://%,$(LINUX_PATCHES)) ; do \ if test -d $$p ; then \ $(APPLY_PATCHES) $(@D) $$p \*.patch || exit 1 ; \ else \ $(APPLY_PATCHES) $(@D) `dirname $$p` `basename $$p` || exit 1; \ fi \ done endef LINUX_POST_PATCH_HOOKS += LINUX_APPLY_LOCAL_PATCHES ifeq ($(BR2_LINUX_KERNEL_USE_DEFCONFIG),y) KERNEL_SOURCE_CONFIG = $(KERNEL_ARCH_PATH)/configs/$(call qstrip,$(BR2_LINUX_KERNEL_DEFCONFIG))_defconfig else ifeq ($(BR2_LINUX_KERNEL_USE_CUSTOM_CONFIG),y) KERNEL_SOURCE_CONFIG = $(call qstrip,$(BR2_LINUX_KERNEL_CUSTOM_CONFIG_FILE)) endif LINUX_KCONFIG_FILE = $(KERNEL_SOURCE_CONFIG) LINUX_KCONFIG_FRAGMENT_FILES = $(call qstrip,$(BR2_LINUX_KERNEL_CONFIG_FRAGMENT_FILES)) LINUX_KCONFIG_EDITORS = menuconfig xconfig gconfig nconfig LINUX_KCONFIG_OPTS = $(LINUX_MAKE_FLAGS) define LINUX_KCONFIG_FIXUP_CMDS $(if $(LINUX_NEEDS_MODULES), $(call KCONFIG_ENABLE_OPT,CONFIG_MODULES,$(@D)/.config)) $(if $(BR2_arm)$(BR2_armeb), $(call KCONFIG_ENABLE_OPT,CONFIG_AEABI,$(@D)/.config)) $(if $(BR2_TARGET_ROOTFS_CPIO), $(call KCONFIG_ENABLE_OPT,CONFIG_BLK_DEV_INITRD,$(@D)/.config)) # As the kernel gets compiled before root filesystems are # built, we create a fake cpio file. It'll be # replaced later by the real cpio archive, and the kernel will be # rebuilt using the linux-rebuild-with-initramfs target. $(if $(BR2_TARGET_ROOTFS_INITRAMFS), touch $(BINARIES_DIR)/rootfs.cpio $(call KCONFIG_SET_OPT,CONFIG_INITRAMFS_SOURCE,"$${BR_BINARIES_DIR}/rootfs.cpio",$(@D)/.config) $(call KCONFIG_SET_OPT,CONFIG_INITRAMFS_ROOT_UID,0,$(@D)/.config) $(call KCONFIG_SET_OPT,CONFIG_INITRAMFS_ROOT_GID,0,$(@D)/.config)) $(if $(BR2_ROOTFS_DEVICE_CREATION_STATIC),, $(call KCONFIG_ENABLE_OPT,CONFIG_DEVTMPFS,$(@D)/.config) $(call KCONFIG_ENABLE_OPT,CONFIG_DEVTMPFS_MOUNT,$(@D)/.config)) $(if $(BR2_ROOTFS_DEVICE_CREATION_DYNAMIC_EUDEV), $(call KCONFIG_ENABLE_OPT,CONFIG_INOTIFY_USER,$(@D)/.config)) $(if $(BR2_PACKAGE_KTAP), $(call KCONFIG_ENABLE_OPT,CONFIG_DEBUG_FS,$(@D)/.config) $(call KCONFIG_ENABLE_OPT,CONFIG_ENABLE_DEFAULT_TRACERS,$(@D)/.config) $(call KCONFIG_ENABLE_OPT,CONFIG_PERF_EVENTS,$(@D)/.config) $(call KCONFIG_ENABLE_OPT,CONFIG_FUNCTION_TRACER,$(@D)/.config)) $(if $(BR2_PACKAGE_SYSTEMD), $(call KCONFIG_ENABLE_OPT,CONFIG_CGROUPS,$(@D)/.config) $(call KCONFIG_ENABLE_OPT,CONFIG_INOTIFY_USER,$(@D)/.config) $(call KCONFIG_ENABLE_OPT,CONFIG_FHANDLE,$(@D)/.config) $(call KCONFIG_ENABLE_OPT,CONFIG_AUTOFS4_FS,$(@D)/.config) $(call KCONFIG_ENABLE_OPT,CONFIG_TMPFS_POSIX_ACL,$(@D)/.config) $(call KCONFIG_ENABLE_OPT,CONFIG_TMPFS_POSIX_XATTR,$(@D)/.config)) $(if $(BR2_PACKAGE_SMACK), $(call KCONFIG_ENABLE_OPT,CONFIG_SECURITY,$(@D)/.config) $(call KCONFIG_ENABLE_OPT,CONFIG_SECURITY_SMACK,$(@D)/.config) $(call KCONFIG_ENABLE_OPT,CONFIG_SECURITY_NETWORK,$(@D)/.config)) $(if $(BR2_PACKAGE_IPTABLES), $(call KCONFIG_ENABLE_OPT,CONFIG_IP_NF_IPTABLES,$(@D)/.config) $(call KCONFIG_ENABLE_OPT,CONFIG_IP_NF_FILTER,$(@D)/.config) $(call KCONFIG_ENABLE_OPT,CONFIG_NETFILTER,$(@D)/.config) $(call KCONFIG_ENABLE_OPT,CONFIG_NETFILTER_XTABLES,$(@D)/.config)) $(if $(BR2_PACKAGE_XTABLES_ADDONS), $(call KCONFIG_ENABLE_OPT,CONFIG_NETFILTER_ADVANCED,$(@D)/.config) $(call KCONFIG_ENABLE_OPT,CONFIG_NF_CONNTRACK,$(@D)/.config) $(call KCONFIG_ENABLE_OPT,CONFIG_NF_CONNTRACK_MARK,$(@D)/.config)) $(if $(BR2_LINUX_KERNEL_APPENDED_DTB), $(call KCONFIG_ENABLE_OPT,CONFIG_ARM_APPENDED_DTB,$(@D)/.config)) endef ifeq ($(BR2_LINUX_KERNEL_DTS_SUPPORT),y) ifeq ($(BR2_LINUX_KERNEL_DTB_IS_SELF_BUILT),) define LINUX_BUILD_DTB $(LINUX_MAKE_ENV) $(MAKE) $(LINUX_MAKE_FLAGS) -C $(@D) $(KERNEL_DTBS) endef define LINUX_INSTALL_DTB # dtbs moved from arch/<ARCH>/boot to arch/<ARCH>/boot/dts since 3.8-rc1 cp $(addprefix \ $(KERNEL_ARCH_PATH)/boot/$(if $(wildcard \ $(addprefix $(KERNEL_ARCH_PATH)/boot/dts/,$(KERNEL_DTBS))),dts/),$(KERNEL_DTBS)) \ $(BINARIES_DIR)/ endef define LINUX_INSTALL_DTB_TARGET # dtbs moved from arch/<ARCH>/boot to arch/<ARCH>/boot/dts since 3.8-rc1 cp $(addprefix \ $(KERNEL_ARCH_PATH)/boot/$(if $(wildcard \ $(addprefix $(KERNEL_ARCH_PATH)/boot/dts/,$(KERNEL_DTBS))),dts/),$(KERNEL_DTBS)) \ $(TARGET_DIR)/boot/ endef endif endif ifeq ($(BR2_LINUX_KERNEL_APPENDED_DTB),y) # dtbs moved from arch/$ARCH/boot to arch/$ARCH/boot/dts since 3.8-rc1 define LINUX_APPEND_DTB if [ -e $(KERNEL_ARCH_PATH)/boot/$(KERNEL_DTS_NAME).dtb ]; then \ cat $(KERNEL_ARCH_PATH)/boot/$(KERNEL_DTS_NAME).dtb; \ else \ cat $(KERNEL_ARCH_PATH)/boot/dts/$(KERNEL_DTS_NAME).dtb; \ fi >> $(KERNEL_ARCH_PATH)/boot/zImage endef ifeq ($(BR2_LINUX_KERNEL_APPENDED_UIMAGE),y) # We need to generate a new u-boot image that takes into # account the extra-size added by the device tree at the end # of the image. To do so, we first need to retrieve both load # address and entry point for the kernel from the already # generate uboot image before using mkimage -l. LINUX_APPEND_DTB += $(sep) MKIMAGE_ARGS=`$(MKIMAGE) -l $(LINUX_IMAGE_PATH) |\ sed -n -e 's/Image Name:[ ]*\(.*\)/-n \1/p' -e 's/Load Address:/-a/p' -e 's/Entry Point:/-e/p'`; \ $(MKIMAGE) -A $(MKIMAGE_ARCH) -O linux \ -T kernel -C none $${MKIMAGE_ARGS} \ -d $(KERNEL_ARCH_PATH)/boot/zImage $(LINUX_IMAGE_PATH); endif endif # Compilation. We make sure the kernel gets rebuilt when the # configuration has changed. define LINUX_BUILD_CMDS $(if $(BR2_LINUX_KERNEL_USE_CUSTOM_DTS), cp $(call qstrip,$(BR2_LINUX_KERNEL_CUSTOM_DTS_PATH)) $(KERNEL_ARCH_PATH)/boot/dts/) $(LINUX_MAKE_ENV) $(MAKE) $(LINUX_MAKE_FLAGS) -C $(@D) $(LINUX_TARGET_NAME) @if grep -q "CONFIG_MODULES=y" $(@D)/.config; then \ $(LINUX_MAKE_ENV) $(MAKE) $(LINUX_MAKE_FLAGS) -C $(@D) modules ; \ fi $(LINUX_BUILD_DTB) $(LINUX_APPEND_DTB) endef ifeq ($(BR2_LINUX_KERNEL_INSTALL_TARGET),y) define LINUX_INSTALL_KERNEL_IMAGE_TO_TARGET install -m 0644 -D $(LINUX_IMAGE_PATH) $(TARGET_DIR)/boot/$(LINUX_IMAGE_NAME) $(LINUX_INSTALL_DTB_TARGET) endef endif define LINUX_INSTALL_HOST_TOOLS # Installing dtc (device tree compiler) as host tool, if selected if grep -q "CONFIG_DTC=y" $(@D)/.config; then \ $(INSTALL) -D -m 0755 $(@D)/scripts/dtc/dtc $(HOST_DIR)/usr/bin/linux-dtc ; \ fi endef define LINUX_INSTALL_IMAGES_CMDS cp $(LINUX_IMAGE_PATH) $(BINARIES_DIR) $(LINUX_INSTALL_DTB) endef define LINUX_INSTALL_TARGET_CMDS $(LINUX_INSTALL_KERNEL_IMAGE_TO_TARGET) # Install modules and remove symbolic links pointing to build # directories, not relevant on the target @if grep -q "CONFIG_MODULES=y" $(@D)/.config; then \ $(LINUX_MAKE_ENV) $(MAKE1) $(LINUX_MAKE_FLAGS) -C $(@D) modules_install; \ rm -f $(TARGET_DIR)/lib/modules/$(LINUX_VERSION_PROBED)/build ; \ rm -f $(TARGET_DIR)/lib/modules/$(LINUX_VERSION_PROBED)/source ; \ fi $(LINUX_INSTALL_HOST_TOOLS) endef # Include all our extensions and tools definitions. # # Note: our package infrastructure uses the full-path of the last-scanned # Makefile to determine what package we're currently defining, using the # last directory component in the path. As such, including other Makefile, # like below, before we call one of the *-package macro is usally not # working. # However, since the files we include here are in the same directory as # the current Makefile, we are OK. But this is a hard requirement: files # included here *must* be in the same directory! include $(sort $(wildcard linux/linux-ext-*.mk)) include $(sort $(wildcard linux/linux-tool-*.mk)) LINUX_PATCH_DEPENDENCIES += $(foreach ext,$(LINUX_EXTENSIONS),\ $(if $(BR2_LINUX_KERNEL_EXT_$(call UPPERCASE,$(ext))),$(ext))) LINUX_PRE_PATCH_HOOKS += $(foreach ext,$(LINUX_EXTENSIONS),\ $(if $(BR2_LINUX_KERNEL_EXT_$(call UPPERCASE,$(ext))),\ $(call UPPERCASE,$(ext))_PREPARE_KERNEL)) # Install Linux kernel tools in the staging directory since some tools # may install shared libraries and headers (e.g. cpupower). The kernel # image is NOT installed in the staging directory. LINUX_INSTALL_STAGING = YES LINUX_DEPENDENCIES += $(foreach tool,$(LINUX_TOOLS),\ $(if $(BR2_LINUX_KERNEL_TOOL_$(call UPPERCASE,$(tool))),\ $($(call UPPERCASE,$(tool))_DEPENDENCIES))) LINUX_POST_BUILD_HOOKS += $(foreach tool,$(LINUX_TOOLS),\ $(if $(BR2_LINUX_KERNEL_TOOL_$(call UPPERCASE,$(tool))),\ $(call UPPERCASE,$(tool))_BUILD_CMDS)) LINUX_POST_INSTALL_STAGING_HOOKS += $(foreach tool,$(LINUX_TOOLS),\ $(if $(BR2_LINUX_KERNEL_TOOL_$(call UPPERCASE,$(tool))),\ $(call UPPERCASE,$(tool))_INSTALL_STAGING_CMDS)) LINUX_POST_INSTALL_TARGET_HOOKS += $(foreach tool,$(LINUX_TOOLS),\ $(if $(BR2_LINUX_KERNEL_TOOL_$(call UPPERCASE,$(tool))),\ $(call UPPERCASE,$(tool))_INSTALL_TARGET_CMDS)) # Checks to give errors that the user can understand ifeq ($(BR_BUILDING),y) ifeq ($(BR2_LINUX_KERNEL_USE_DEFCONFIG),y) ifeq ($(call qstrip,$(BR2_LINUX_KERNEL_DEFCONFIG)),) $(error No kernel defconfig name specified, check your BR2_LINUX_KERNEL_DEFCONFIG setting) endif endif ifeq ($(BR2_LINUX_KERNEL_USE_CUSTOM_CONFIG),y) ifeq ($(call qstrip,$(BR2_LINUX_KERNEL_CUSTOM_CONFIG_FILE)),) $(error No kernel configuration file specified, check your BR2_LINUX_KERNEL_CUSTOM_CONFIG_FILE setting) endif endif ifeq ($(BR2_LINUX_KERNEL_DTS_SUPPORT)$(KERNEL_DTS_NAME),y) $(error No kernel device tree source specified, check your \ BR2_LINUX_KERNEL_USE_INTREE_DTS / BR2_LINUX_KERNEL_USE_CUSTOM_DTS settings) endif ifeq ($(BR2_LINUX_KERNEL_APPENDED_DTB),y) ifneq ($(words $(KERNEL_DTS_NAME)),1) $(error Kernel with appended device tree needs exactly one DTS source. \ Check BR2_LINUX_KERNEL_INTREE_DTS_NAME or BR2_LINUX_KERNEL_CUSTOM_DTS_PATH.) endif endif endif # BR_BUILDING $(eval $(kconfig-package)) # Support for rebuilding the kernel after the cpio archive has # been generated in $(BINARIES_DIR)/rootfs.cpio. $(LINUX_DIR)/.stamp_initramfs_rebuilt: $(LINUX_DIR)/.stamp_target_installed $(LINUX_DIR)/.stamp_images_installed $(BINARIES_DIR)/rootfs.cpio @$(call MESSAGE,"Rebuilding kernel with initramfs") # Build the kernel. $(LINUX_MAKE_ENV) $(MAKE) $(LINUX_MAKE_FLAGS) -C $(@D) $(LINUX_TARGET_NAME) $(LINUX_APPEND_DTB) # Copy the kernel image to its final destination cp $(LINUX_IMAGE_PATH) $(BINARIES_DIR) # If there is a .ub file copy it to the final destination test ! -f $(LINUX_IMAGE_PATH).ub || cp $(LINUX_IMAGE_PATH).ub $(BINARIES_DIR) $(Q)touch $@ # The initramfs building code must make sure this target gets called # after it generated the initramfs list of files. linux-rebuild-with-initramfs: $(LINUX_DIR)/.stamp_initramfs_rebuilt