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 $(ADK_TOPDIR)/mk/$(ADK_TARGET_OS)-ver.mk
   6 include $(ADK_TOPDIR)/mk/$(ADK_TARGET_OS).mk
   7 include $(ADK_TOPDIR)/mk/kernel-vars.mk
   8
   9 ifeq ($(ADK_TARGET_OS_LINUX),y)
  10 KERNEL_MODULES_USED:=$(shell grep ^ADK_LINUX_KERNEL $(ADK_TOPDIR)/.config|grep =m)
  11 endif
  12 ifeq ($(ADK_TARGET_LINUX_KERNEL_USE_CUSTOMCONFIG),y)
  13 KERNEL_MODULES_USED:=$(shell grep -s =m $(ADK_TOPDIR)/$(ADK_TARGET_LINUX_KERNEL_CUSTOMCONFIG_PATH))
  14 endif
  15
  16 KERNEL_FILE:=$(ADK_TARGET_KERNEL)
  17 KERNEL_TARGET:=$(ADK_TARGET_KERNEL)
  18 ifeq ($(ADK_TARGET_KERNEL_LINUXBIN),y)
  19 KERNEL_FILE:=vmlinux
  20 endif
  21 ifeq ($(ADK_TARGET_KERNEL_ZIMAGE),y)
  22 KERNEL_FILE:=vmlinux
  23 endif
  24 ifeq ($(ADK_TARGET_KERNEL_VMLINUX_EFI),y)
  25 KERNEL_FILE:=vmlinux.efi
  26 KERNEL_TARGET:=all
  27 endif
  28 ifeq ($(ADK_TARGET_KERNEL_VMLINUX_GZ),y)
  29 KERNEL_FILE:=vmlinux
  30 KERNEL_TARGET:=all
  31 endif
  32 ifeq ($(ADK_TARGET_KERNEL_BZIMAGE),y)
  33 KERNEL_FILE:=vmlinux
  34 KERNEL_TARGET:=all
  35 endif
  36 ifeq ($(ADK_TARGET_KERNEL_IMAGE),y)
  37 KERNEL_FILE:=vmlinux
  38 endif
  39 ifeq ($(ADK_TARGET_KERNEL_SIMPLEIMAGE),y)
  40 KERNEL_FILE:=vmlinux.bin
  41 KERNEL_TARGET:=simpleImage.milkymist_one
  42 endif
  43
  44 ifneq ($(KERNEL_MODULES_USED),)
  45 KERNEL_TARGET+=modules
  46 endif
  47
  48 ifeq ($(ADK_RUNTIME_DEV_UDEV),y)
  49 ADK_DEPMOD:=$(STAGING_HOST_DIR)/usr/bin/depmod
  50 else
  51 ADK_DEPMOD:=true
  52 endif
  53
  54 $(LINUX_DIR)/.prepared: $(TOOLCHAIN_BUILD_DIR)/w-$(PKG_NAME)-$(PKG_VERSION)-$(PKG_RELEASE)/$(ADK_TARGET_OS)-$(KERNEL_FILE_VER)/.patched
  55         ln -sf $(TOOLCHAIN_BUILD_DIR)/w-$(PKG_NAME)-$(PKG_VERSION)-$(PKG_RELEASE)/$(ADK_TARGET_OS)-$(KERNEL_FILE_VER) $(LINUX_DIR)
  56         mkdir -p $(LINUX_BUILD_DIR)/kmod-control
  57         touch $@
  58
  59 ifeq ($(ADK_TARGET_LINUX_KERNEL_USE_MINICONFIG),y)
  60 $(LINUX_DIR)/.config: $(BUILD_DIR)/.kernelconfig
  61 endif
  62
  63 ifeq ($(ADK_TARGET_LINUX_KERNEL_USE_CUSTOMCONFIG),y)
  64 $(ADK_TOPDIR)/$(ADK_TARGET_LINUX_KERNEL_CUSTOMCONFIG_PATH):
  65 $(LINUX_DIR)/.config: $(ADK_TOPDIR)/$(ADK_TARGET_LINUX_KERNEL_CUSTOMCONFIG_PATH)
  66 endif
  67
  68 $(LINUX_DIR)/.config: $(LINUX_DIR)/.prepared
  69         $(START_TRACE) "target/$(ADK_TARGET_ARCH)-kernel-configure.. "
  70         echo "-${KERNEL_RELEASE}" >${LINUX_DIR}/localversion
  71 ifeq ($(ADK_TARGET_LINUX_KERNEL_USE_DEFCONFIG),y)
  72         ${KERNEL_MAKE} $(ADK_TARGET_LINUX_KERNEL_DEFCONFIG) $(MAKE_TRACE)
  73 else ifeq ($(ADK_TARGET_LINUX_KERNEL_USE_CUSTOMCONFIG),y)
  74         @if [ ! -f $(ADK_TOPDIR)/$(ADK_TARGET_LINUX_KERNEL_CUSTOMCONFIG_PATH) ];then \
  75                 echo "no kernel configuration found in $(ADK_TOPDIR)/$(ADK_TARGET_LINUX_KERNEL_CUSTOMCONFIG_PATH)"; \
  76                 exit 1; \
  77         fi
  78         ${KERNEL_MAKE} KCONFIG_ALLCONFIG=$(ADK_TOPDIR)/$(ADK_TARGET_LINUX_KERNEL_CUSTOMCONFIG_PATH) allnoconfig $(MAKE_TRACE)
  79 else
  80         $(CP) $(BUILD_DIR)/.kernelconfig $(LINUX_DIR)/mini.config
  81         ${KERNEL_MAKE} KCONFIG_ALLCONFIG=mini.config allnoconfig $(MAKE_TRACE)
  82 endif
  83         $(CMD_TRACE) " done"
  84         $(END_TRACE)
  85
  86 $(LINUX_DIR)/$(KERNEL_FILE): $(LINUX_DIR)/.config
  87         $(START_TRACE) "target/$(ADK_TARGET_ARCH)-kernel-compile.. "
  88 ifneq ($(ADK_TARGET_KERNEL_APPEND_DTB),)
  89         ${KERNEL_MAKE} zImage dtbs $(MAKE_TRACE)
  90         (cd $(LINUX_DIR)/arch/$(ADK_TARGET_ARCH)/boot && \
  91          cat dts/${ADK_TARGET_KERNEL_APPEND_DTB}.dtb >> zImage)
  92 endif
  93         ${KERNEL_MAKE}  $(KERNEL_TARGET) $(MAKE_TRACE)
  94         $(CMD_TRACE) " done"
  95         $(END_TRACE)
  96
  97 prepare:
  98 compile: $(LINUX_DIR)/$(KERNEL_FILE)
  99 install:
 100 ifneq ($(KERNEL_MODULES_USED),)
 101         $(START_TRACE) "target/$(ADK_TARGET_ARCH)-kernel-modules-install.. "
 102         rm -rf $(LINUX_BUILD_DIR)/modules
 103         ${KERNEL_MAKE} DEPMOD=$(ADK_DEPMOD) \
 104                 INSTALL_MOD_PATH=$(LINUX_BUILD_DIR)/modules \
 105                 modules_install $(MAKE_TRACE)
 106         $(CMD_TRACE) " done"
 107         $(END_TRACE)
 108         $(START_TRACE) "target/$(ADK_TARGET_ARCH)-kernel-modules-create-packages.. "
 109         rm -f ${PACKAGE_DIR}/kmod-*
 110         PATH='${HOST_PATH}' ${BASH} ${SCRIPT_DIR}/make-module-ipkgs.sh \
 111                 "${ADK_TARGET_CPU_ARCH}" \
 112                 "${KERNEL_VERSION}" \
 113                 "${LINUX_BUILD_DIR}" \
 114                 "${PKG_BUILD}" \
 115                 "${PACKAGE_DIR}"
 116         $(CMD_TRACE) " done"
 117         $(END_TRACE)
 118         $(START_TRACE) "target/${ADK_TARGET_ARCH}-kernel-modules-install-packages.. "
 119         -for pkg in $(PACKAGE_DIR)/kmod-*; do \
 120                 [[ -e "$$pkg" ]] && $(PKG_INSTALL) $$pkg; \
 121         done
 122         $(CMD_TRACE) " done"
 123         $(END_TRACE)
 124         $(CP) $(LINUX_BUILD_DIR)/modules/lib/modules/$(KERNEL_VERSION)/modules.{order,builtin} \
 125                 $(TARGET_DIR)/lib/modules/$(KERNEL_VERSION)/
 126 endif
 127
 128 clean:
 129         rm -rf $(LINUX_BUILD_DIR)
 130         rm -f $(wildcard ${PACKAGE_DIR}/kmod-*) $(wildcard ${PACKAGE_DIR}/kernel_*)