mk/kernel-build.mk

   1 # This file is part of the OpenADK project. OpenADK is copyrighted
   2 # material, please see the LICENCE file in the top-level directory.
   3
   4 include $(ADK_TOPDIR)/rules.mk
   5 include ${ADK_TOPDIR}/mk/kernel-ver.mk
   6 include $(ADK_TOPDIR)/mk/linux.mk
   7 include ${ADK_TOPDIR}/mk/kernel-vars.mk
   8
   9 KERNEL_FILE:=$(ADK_TARGET_KERNEL)
  10 KERNEL_TARGET:=$(ADK_TARGET_KERNEL)
  11 ifeq ($(ADK_TARGET_KERNEL_LINUXBIN),y)
  12 KERNEL_FILE:=vmlinux
  13 KERNEL_TARGET:=$(ADK_TARGET_KERNEL)
  14 endif
  15 ifeq ($(ADK_TARGET_KERNEL_ZIMAGE),y)
  16 KERNEL_FILE:=vmlinux
  17 KERNEL_TARGET:=$(ADK_TARGET_KERNEL)
  18 endif
  19 ifeq ($(ADK_TARGET_KERNEL_BZIMAGE),y)
  20 KERNEL_FILE:=vmlinux
  21 KERNEL_TARGET:=all
  22 endif
  23 ifeq ($(ADK_TARGET_KERNEL_IMAGE),y)
  24 KERNEL_FILE:=vmlinux
  25 KERNEL_TARGET:=$(ADK_TARGET_KERNEL)
  26 endif
  27
  28 ifeq ($(ADK_RUNTIME_DEV_UDEV),y)
  29 ADK_DEPMOD:=$(STAGING_HOST_DIR)/usr/bin/depmod
  30 else
  31 ADK_DEPMOD:=true
  32 endif
  33
  34 $(LINUX_DIR)/.prepared: $(TOOLCHAIN_BUILD_DIR)/w-$(PKG_NAME)-$(PKG_VERSION)-$(PKG_RELEASE)/linux-$(KERNEL_VERSION)/.patched
  35         $(TRACE) target/kernel-prepare
  36         ln -sf $(TOOLCHAIN_BUILD_DIR)/w-$(PKG_NAME)-$(PKG_VERSION)-$(PKG_RELEASE)/linux-$(KERNEL_VERSION) $(LINUX_DIR)
  37         mkdir -p $(LINUX_BUILD_DIR)/kmod-control
  38         touch $@
  39
  40 $(LINUX_DIR)/.config: $(LINUX_DIR)/.prepared $(BUILD_DIR)/.kernelconfig $(ADK_TOPDIR)/mk/modules.mk
  41         $(TRACE) target/$(ADK_TARGET_ARCH)-kernel-configure
  42         -for f in $(TARGETS);do if [ -f $$f ];then rm $$f;fi;done
  43         $(CP) $(BUILD_DIR)/.kernelconfig $(LINUX_DIR)/mini.config
  44         ${KERNEL_MAKE_ENV} $(MAKE) -C "${LINUX_DIR}" ${KERNEL_MAKE_OPTS} KCONFIG_ALLCONFIG=mini.config allnoconfig $(MAKE_TRACE)
  45         touch -c $(LINUX_DIR)/.config
  46
  47 $(LINUX_DIR)/$(KERNEL_FILE): $(LINUX_DIR)/.config
  48         $(TRACE) target/$(ADK_TARGET_ARCH)-kernel-compile
  49         ${KERNEL_MAKE_ENV} $(MAKE) -C "${LINUX_DIR}" ${KERNEL_MAKE_OPTS} -j${ADK_MAKE_JOBS} LOCALVERSION="" $(KERNEL_TARGET) modules $(MAKE_TRACE)
  50         touch -c $(LINUX_DIR)/$(KERNEL_FILE)
  51
  52 $(LINUX_BUILD_DIR)/modules: $(LINUX_DIR)/$(KERNEL_FILE)
  53         $(TRACE) target/$(ADK_TARGET_ARCH)-kernel-modules-install
  54         rm -rf $(LINUX_BUILD_DIR)/modules
  55         ${KERNEL_MAKE_ENV} $(MAKE) -C "${LINUX_DIR}" ${KERNEL_MAKE_OPTS} \
  56                 DEPMOD=$(ADK_DEPMOD) \
  57                 INSTALL_MOD_PATH=$(LINUX_BUILD_DIR)/modules \
  58                 LOCALVERSION="" \
  59                 modules_install $(MAKE_TRACE)
  60         $(TRACE) target/$(ADK_TARGET_ARCH)-create-packages
  61         @mkdir -p ${PACKAGE_DIR}
  62 ifneq ($(strip $(TARGETS)),)
  63         $(MAKE) $(TARGETS)
  64 endif
  65
  66 $(INSTALL_TARGETS): $(LINUX_BUILD_DIR)/modules
  67
  68 prepare:
  69 compile: $(LINUX_BUILD_DIR)/modules
  70 install: compile $(INSTALL_TARGETS)
  71 ifneq ($(strip $(INSTALL_TARGETS)),)
  72         $(TRACE) target/${ADK_TARGET_ARCH}-modules-install
  73 ifeq ($(ADK_TARGET_PACKAGE_IPKG)$(ADK_TARGET_PACKAGE_OPKG),y)
  74         $(PKG_INSTALL) $(INSTALL_TARGETS) $(MAKE_TRACE)
  75 else
  76         $(foreach pkg,$(INSTALL_TARGETS),$(shell $(PKG_INSTALL) $(pkg)))
  77 endif
  78 endif
  79
  80 clean:
  81         rm -rf $(LINUX_BUILD_DIR)
  82         rm -f $(TARGETS)