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