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 $(ADK_TOPDIR)/mk/kernel-vars.mk
   8
   9 ifeq ($(ADK_TARGET_KERNEL_USE_CUSTOMCONFIG),y)
  10 KERNEL_MODULES_USED:=$(shell grep -s =m $(ADK_TOPDIR)/$(ADK_TARGET_KERNEL_CUSTOMCONFIG_PATH))
  11 else
  12 KERNEL_MODULES_USED:=$(shell grep ^ADK_KERNEL $(ADK_TOPDIR)/.config|grep =m)
  13 endif
  14
  15 KERNEL_FILE:=$(ADK_TARGET_KERNEL)
  16 KERNEL_TARGET:=$(ADK_TARGET_KERNEL)
  17 ifeq ($(ADK_TARGET_KERNEL_LINUXBIN),y)
  18 KERNEL_FILE:=vmlinux
  19 KERNEL_TARGET:=$(ADK_TARGET_KERNEL)
  20 endif
  21 ifeq ($(ADK_TARGET_KERNEL_ZIMAGE),y)
  22 KERNEL_FILE:=vmlinux
  23 KERNEL_TARGET:=$(ADK_TARGET_KERNEL)
  24 endif
  25 ifeq ($(ADK_TARGET_KERNEL_BZIMAGE),y)
  26 KERNEL_FILE:=vmlinux
  27 KERNEL_TARGET:=all
  28 endif
  29 ifeq ($(ADK_TARGET_KERNEL_IMAGE),y)
  30 KERNEL_FILE:=vmlinux
  31 KERNEL_TARGET:=$(ADK_TARGET_KERNEL)
  32 endif
  33
  34 ifneq ($(KERNEL_MODULES_USED),)
  35 KERNEL_TARGET+=modules
  36 endif
  37
  38 ifeq ($(ADK_RUNTIME_DEV_UDEV),y)
  39 ADK_DEPMOD:=$(STAGING_HOST_DIR)/usr/bin/depmod
  40 else
  41 ADK_DEPMOD:=true
  42 endif
  43
  44 $(LINUX_DIR)/.prepared: $(TOOLCHAIN_BUILD_DIR)/w-$(PKG_NAME)-$(PKG_VERSION)-$(PKG_RELEASE)/linux-$(KERNEL_FILE_VER)/.patched
  45         ln -sf $(TOOLCHAIN_BUILD_DIR)/w-$(PKG_NAME)-$(PKG_VERSION)-$(PKG_RELEASE)/linux-$(KERNEL_FILE_VER) $(LINUX_DIR)
  46         mkdir -p $(LINUX_BUILD_DIR)/kmod-control
  47         touch $@
  48
  49 ifeq ($(ADK_TARGET_KERNEL_USE_MINICONFIG),y)
  50 $(LINUX_DIR)/.config: $(BUILD_DIR)/.kernelconfig
  51 endif
  52
  53 ifeq ($(ADK_TARGET_KERNEL_USE_CUSTOMCONFIG),y)
  54 $(ADK_TOPDIR)/$(ADK_TARGET_KERNEL_CUSTOMCONFIG_PATH):
  55 $(LINUX_DIR)/.config: $(ADK_TOPDIR)/$(ADK_TARGET_KERNEL_CUSTOMCONFIG_PATH)
  56 endif
  57
  58 $(LINUX_DIR)/.config: $(LINUX_DIR)/.prepared
  59         $(START_TRACE) "target/$(ADK_TARGET_ARCH)-kernel-configure.. "
  60         echo "-${KERNEL_RELEASE}" >${LINUX_DIR}/localversion
  61 ifeq ($(ADK_TARGET_KERNEL_USE_DEFCONFIG),y)
  62         ${KERNEL_MAKE_ENV} $(MAKE) -C "${LINUX_DIR}" ${KERNEL_MAKE_OPTS} $(ADK_TARGET_KERNEL_DEFCONFIG) $(MAKE_TRACE)
  63 else ifeq ($(ADK_TARGET_KERNEL_USE_CUSTOMCONFIG),y)
  64         @if [ ! -f $(ADK_TOPDIR)/$(ADK_TARGET_KERNEL_CUSTOMCONFIG_PATH) ];then \
  65                 echo "no kernel configuration found in $(ADK_TOPDIR)/$(ADK_TARGET_KERNEL_CUSTOMCONFIG_PATH)"; \
  66                 exit 1; \
  67         fi
  68         ${KERNEL_MAKE_ENV} $(MAKE) -C "${LINUX_DIR}" ${KERNEL_MAKE_OPTS} KCONFIG_ALLCONFIG=$(ADK_TOPDIR)/$(ADK_TARGET_KERNEL_CUSTOMCONFIG_PATH) allnoconfig $(MAKE_TRACE)
  69 else
  70         $(CP) $(BUILD_DIR)/.kernelconfig $(LINUX_DIR)/mini.config
  71         ${KERNEL_MAKE_ENV} $(MAKE) -C "${LINUX_DIR}" ${KERNEL_MAKE_OPTS} KCONFIG_ALLCONFIG=mini.config allnoconfig $(MAKE_TRACE)
  72 endif
  73         $(CMD_TRACE) " done"
  74         $(END_TRACE)
  75
  76 $(LINUX_DIR)/$(KERNEL_FILE): $(LINUX_DIR)/.config
  77         $(START_TRACE) "target/$(ADK_TARGET_ARCH)-kernel-compile.. "
  78         ${KERNEL_MAKE_ENV} $(MAKE) -C "${LINUX_DIR}" ${KERNEL_MAKE_OPTS} -j${ADK_MAKE_JOBS} $(KERNEL_TARGET) $(MAKE_TRACE)
  79         $(CMD_TRACE) " done"
  80         $(END_TRACE)
  81
  82 prepare:
  83 compile: $(LINUX_DIR)/$(KERNEL_FILE)
  84 install:
  85 ifneq ($(KERNEL_MODULES_USED),)
  86         $(START_TRACE) "target/$(ADK_TARGET_ARCH)-kernel-modules-install.. "
  87         rm -rf $(LINUX_BUILD_DIR)/modules
  88         ${KERNEL_MAKE_ENV} $(MAKE) -C "${LINUX_DIR}" ${KERNEL_MAKE_OPTS} \
  89                 DEPMOD=$(ADK_DEPMOD) \
  90                 INSTALL_MOD_PATH=$(LINUX_BUILD_DIR)/modules \
  91                 modules_install $(MAKE_TRACE)
  92         $(CMD_TRACE) " done"
  93         $(END_TRACE)
  94 ifeq ($(ADK_RUNTIME_DEV_UDEV),)
  95         $(START_TRACE) "target/$(ADK_TARGET_ARCH)-kernel-modules-create-packages.. "
  96         rm -f ${PACKAGE_DIR}/kmod-*
  97         PATH='${HOST_PATH}' ${BASH} ${SCRIPT_DIR}/make-module-ipkgs.sh \
  98                 "${ADK_TARGET_CPU_ARCH}" \
  99                 "${KERNEL_VERSION}" \
 100                 "${LINUX_BUILD_DIR}" \
 101                 "${PKG_BUILD}" \
 102                 "${PACKAGE_DIR}"
 103         $(CMD_TRACE) " done"
 104         $(END_TRACE)
 105 endif
 106         $(START_TRACE) "target/${ADK_TARGET_ARCH}-kernel-modules-install-packages.. "
 107         for pkg in $(PACKAGE_DIR)/kmod-*; do \
 108                 [[ -e "$$pkg" ]] && $(PKG_INSTALL) $$pkg; \
 109         done
 110         $(CMD_TRACE) " done"
 111         $(END_TRACE)
 112 endif
 113
 114 clean:
 115         rm -rf $(LINUX_BUILD_DIR)
 116         rm -f $(wildcard ${PACKAGE_DIR}/kmod-*) $(wildcard ${PACKAGE_DIR}/kernel_*)