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:=$(ADK_TARGET_KERNEL)
  41 endif
  42 ifeq ($(ADK_TARGET_KERNEL_SIMPLEIMAGE),y)
  43 KERNEL_FILE:=vmlinux.bin
  44 KERNEL_TARGET:=simpleImage.milkymist_one
  45 endif
  46
  47 ifneq ($(KERNEL_MODULES_USED),)
  48 KERNEL_TARGET+=modules
  49 endif
  50
  51 ifeq ($(ADK_RUNTIME_DEV_UDEV),y)
  52 ADK_DEPMOD:=$(STAGING_HOST_DIR)/usr/bin/depmod
  53 else
  54 ADK_DEPMOD:=true
  55 endif
  56
  57 $(LINUX_DIR)/.prepared: $(TOOLCHAIN_BUILD_DIR)/w-$(PKG_NAME)-$(PKG_VERSION)-$(PKG_RELEASE)/$(ADK_TARGET_OS)-$(KERNEL_FILE_VER)/.patched
  58         ln -sf $(TOOLCHAIN_BUILD_DIR)/w-$(PKG_NAME)-$(PKG_VERSION)-$(PKG_RELEASE)/$(ADK_TARGET_OS)-$(KERNEL_FILE_VER) $(LINUX_DIR)
  59         mkdir -p $(LINUX_BUILD_DIR)/kmod-control
  60         touch $@
  61
  62 ifeq ($(ADK_TARGET_LINUX_KERNEL_USE_MINICONFIG),y)
  63 $(LINUX_DIR)/.config: $(BUILD_DIR)/.kernelconfig
  64 endif
  65
  66 ifeq ($(ADK_TARGET_LINUX_KERNEL_USE_CUSTOMCONFIG),y)
  67 $(ADK_TOPDIR)/$(ADK_TARGET_LINUX_KERNEL_CUSTOMCONFIG_PATH):
  68 $(LINUX_DIR)/.config: $(ADK_TOPDIR)/$(ADK_TARGET_LINUX_KERNEL_CUSTOMCONFIG_PATH)
  69 endif
  70
  71 $(LINUX_DIR)/.config: $(LINUX_DIR)/.prepared
  72         $(START_TRACE) "target/$(ADK_TARGET_ARCH)-kernel-configure.. "
  73         echo "-${KERNEL_RELEASE}" >${LINUX_DIR}/localversion
  74 ifeq ($(ADK_TARGET_LINUX_KERNEL_USE_DEFCONFIG),y)
  75         ${KERNEL_MAKE_ENV} $(MAKE) -C "${LINUX_DIR}" ${KERNEL_MAKE_OPTS} $(ADK_TARGET_LINUX_KERNEL_DEFCONFIG) $(MAKE_TRACE)
  76 else ifeq ($(ADK_TARGET_LINUX_KERNEL_USE_CUSTOMCONFIG),y)
  77         @if [ ! -f $(ADK_TOPDIR)/$(ADK_TARGET_LINUX_KERNEL_CUSTOMCONFIG_PATH) ];then \
  78                 echo "no kernel configuration found in $(ADK_TOPDIR)/$(ADK_TARGET_LINUX_KERNEL_CUSTOMCONFIG_PATH)"; \
  79                 exit 1; \
  80         fi
  81         ${KERNEL_MAKE_ENV} $(MAKE) -C "${LINUX_DIR}" ${KERNEL_MAKE_OPTS} KCONFIG_ALLCONFIG=$(ADK_TOPDIR)/$(ADK_TARGET_LINUX_KERNEL_CUSTOMCONFIG_PATH) allnoconfig $(MAKE_TRACE)
  82 else
  83         $(CP) $(BUILD_DIR)/.kernelconfig $(LINUX_DIR)/mini.config
  84         ${KERNEL_MAKE_ENV} $(MAKE) -C "${LINUX_DIR}" ${KERNEL_MAKE_OPTS} KCONFIG_ALLCONFIG=mini.config allnoconfig $(MAKE_TRACE)
  85 endif
  86         $(CMD_TRACE) " done"
  87         $(END_TRACE)
  88
  89 $(LINUX_DIR)/$(KERNEL_FILE): $(LINUX_DIR)/.config
  90         $(START_TRACE) "target/$(ADK_TARGET_ARCH)-kernel-compile.. "
  91         ${KERNEL_MAKE_ENV} $(MAKE) -C "${LINUX_DIR}" ${KERNEL_MAKE_OPTS} -j${ADK_MAKE_JOBS} $(KERNEL_TARGET) $(MAKE_TRACE)
  92         $(CMD_TRACE) " done"
  93         $(END_TRACE)
  94
  95 prepare:
  96 compile: $(LINUX_DIR)/$(KERNEL_FILE)
  97 install:
  98 ifneq ($(KERNEL_MODULES_USED),)
  99         $(START_TRACE) "target/$(ADK_TARGET_ARCH)-kernel-modules-install.. "
 100         rm -rf $(LINUX_BUILD_DIR)/modules
 101         ${KERNEL_MAKE_ENV} $(MAKE) -C "${LINUX_DIR}" ${KERNEL_MAKE_OPTS} \
 102                 DEPMOD=$(ADK_DEPMOD) \
 103                 INSTALL_MOD_PATH=$(LINUX_BUILD_DIR)/modules \
 104                 modules_install $(MAKE_TRACE)
 105         $(CMD_TRACE) " done"
 106         $(END_TRACE)
 107 ifeq ($(ADK_RUNTIME_DEV_UDEV),)
 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 endif
 119         $(START_TRACE) "target/${ADK_TARGET_ARCH}-kernel-modules-install-packages.. "
 120         for pkg in $(PACKAGE_DIR)/kmod-*; do \
 121                 [[ -e "$$pkg" ]] && $(PKG_INSTALL) $$pkg; \
 122         done
 123         $(CMD_TRACE) " done"
 124         $(END_TRACE)
 125 endif
 126
 127 clean:
 128         rm -rf $(LINUX_BUILD_DIR)
 129         rm -f $(wildcard ${PACKAGE_DIR}/kmod-*) $(wildcard ${PACKAGE_DIR}/kernel_*)