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 ifeq ($(ADK_RUNTIME_DEV_UDEV),y)
  35 ADK_DEPMOD:=$(STAGING_HOST_DIR)/usr/bin/depmod
  36 else
  37 ADK_DEPMOD:=true
  38 endif
  39
  40 $(LINUX_DIR)/.prepared: $(TOOLCHAIN_BUILD_DIR)/w-$(PKG_NAME)-$(PKG_VERSION)-$(PKG_RELEASE)/linux-$(KERNEL_FILE_VER)/.patched
  41         ln -sf $(TOOLCHAIN_BUILD_DIR)/w-$(PKG_NAME)-$(PKG_VERSION)-$(PKG_RELEASE)/linux-$(KERNEL_FILE_VER) $(LINUX_DIR)
  42         mkdir -p $(LINUX_BUILD_DIR)/kmod-control
  43         touch $@
  44
  45 ifeq ($(ADK_TARGET_KERNEL_USE_MINICONFIG),y)
  46 $(LINUX_DIR)/.config: $(BUILD_DIR)/.kernelconfig
  47 endif
  48
  49 ifeq ($(ADK_TARGET_KERNEL_USE_CUSTOMCONFIG),y)
  50 $(ADK_TOPDIR)/$(ADK_TARGET_KERNEL_CUSTOMCONFIG_PATH):
  51 $(LINUX_DIR)/.config: $(ADK_TOPDIR)/$(ADK_TARGET_KERNEL_CUSTOMCONFIG_PATH)
  52 endif
  53
  54 $(LINUX_DIR)/.config: $(LINUX_DIR)/.prepared
  55         $(START_TRACE) "target/$(ADK_TARGET_ARCH)-kernel-configure.. "
  56         -for f in $(TARGETS);do if [ -f $$f ];then rm $$f;fi;done
  57         echo "-${KERNEL_RELEASE}" >${LINUX_DIR}/localversion
  58 ifeq ($(ADK_TARGET_KERNEL_USE_DEFCONFIG),y)
  59         ${KERNEL_MAKE_ENV} $(MAKE) -C "${LINUX_DIR}" ${KERNEL_MAKE_OPTS} $(ADK_TARGET_KERNEL_DEFCONFIG) $(MAKE_TRACE)
  60 else ifeq ($(ADK_TARGET_KERNEL_USE_CUSTOMCONFIG),y)
  61         @if [ ! -f $(ADK_TOPDIR)/$(ADK_TARGET_KERNEL_CUSTOMCONFIG_PATH) ];then \
  62                 echo "no kernel configuration found in $(ADK_TOPDIR)/$(ADK_TARGET_KERNEL_CUSTOMCONFIG_PATH)"; \
  63                 exit 1; \
  64         fi
  65         ${KERNEL_MAKE_ENV} $(MAKE) -C "${LINUX_DIR}" ${KERNEL_MAKE_OPTS} KCONFIG_ALLCONFIG=$(ADK_TOPDIR)/$(ADK_TARGET_KERNEL_CUSTOMCONFIG_PATH) allnoconfig $(MAKE_TRACE)
  66 else
  67         $(CP) $(BUILD_DIR)/.kernelconfig $(LINUX_DIR)/mini.config
  68         ${KERNEL_MAKE_ENV} $(MAKE) -C "${LINUX_DIR}" ${KERNEL_MAKE_OPTS} KCONFIG_ALLCONFIG=mini.config allnoconfig $(MAKE_TRACE)
  69 endif
  70         touch -c $(LINUX_DIR)/.config
  71         $(CMD_TRACE) " done"
  72         $(END_TRACE)
  73
  74 $(LINUX_DIR)/$(KERNEL_FILE): $(LINUX_DIR)/.config
  75         $(START_TRACE) "target/$(ADK_TARGET_ARCH)-kernel-compile.. "
  76         ${KERNEL_MAKE_ENV} $(MAKE) -C "${LINUX_DIR}" ${KERNEL_MAKE_OPTS} -j${ADK_MAKE_JOBS} $(KERNEL_TARGET) $(MAKE_TRACE)
  77         touch -c $(LINUX_DIR)/$(KERNEL_FILE)
  78         $(CMD_TRACE) " done"
  79         $(END_TRACE)
  80
  81 $(LINUX_BUILD_DIR)/modules: $(LINUX_DIR)/$(KERNEL_FILE)
  82         $(START_TRACE) "target/$(ADK_TARGET_ARCH)-kernel-modules-compile.. "
  83         ${KERNEL_MAKE_ENV} $(MAKE) -C "${LINUX_DIR}" ${KERNEL_MAKE_OPTS} -j${ADK_MAKE_JOBS} modules $(MAKE_TRACE)
  84         $(CMD_TRACE) " done"
  85         $(END_TRACE)
  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         $(END_TRACE)
  94 ifneq ($(ADK_RUNTIME_DEV_UDEV),y)
  95         $(START_TRACE) "target/$(ADK_TARGET_ARCH)-create-packages.. "
  96         @mkdir -p ${PACKAGE_DIR}
  97         PATH='${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         $(END_TRACE)
 105 endif
 106
 107 prepare:
 108 ifneq ($(KERNEL_MODULES_USED),)
 109 compile: $(LINUX_BUILD_DIR)/modules
 110 else
 111 compile: $(LINUX_DIR)/$(KERNEL_FILE)
 112 endif
 113 install: compile
 114 ifneq ($(KERNEL_MODULES_USED),)
 115         $(START_TRACE) "target/${ADK_TARGET_ARCH}-modules-install.. "
 116 ifeq ($(ADK_TARGET_PACKAGE_IPKG)$(ADK_TARGET_PACKAGE_OPKG),y)
 117         $(PKG_INSTALL) $(wildcard ${PACKAGE_DIR}/kmod-*) $(MAKE_TRACE)
 118 else
 119         $(foreach pkg,$(wildcard ${PACKAGE_DIR}/kmod-*),$(shell $(PKG_INSTALL) $(pkg)))
 120 endif
 121         $(CMD_TRACE) " done"
 122         $(END_TRACE)
 123 endif
 124
 125 clean:
 126         rm -rf $(LINUX_BUILD_DIR)
 127         rm -f $(wildcard ${PACKAGE_DIR}/kmod-*) $(wildcard ${PACKAGE_DIR}/kernel_*)