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