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 $(TOPDIR)/rules.mk
   5 include $(TOPDIR)/mk/linux.mk
   6 include ${TOPDIR}/mk/buildhlp.mk
   7 include ${TOPDIR}/mk/kernel-vars.mk
   8
   9 KERNEL_PKGDIR:=$(LINUX_BUILD_DIR)/kernel-pkg
  10
  11 $(TOOLCHAIN_BUILD_DIR)/linux-$(KERNEL_VERSION)/.patched:
  12         $(TRACE) target/$(ADK_TARGET)-kernel-patch
  13         $(PATCH) $(TOOLCHAIN_BUILD_DIR)/linux-$(KERNEL_VERSION) ../linux/patches/$(KERNEL_VERSION) *.patch $(MAKE_TRACE)
  14         $(PATCH) $(TOOLCHAIN_BUILD_DIR)/linux-$(KERNEL_VERSION) ../$(ADK_TARGET)/patches *.patch $(MAKE_TRACE)
  15         touch $@
  16
  17 $(LINUX_DIR)/.prepared: $(TOOLCHAIN_BUILD_DIR)/linux-$(KERNEL_VERSION)/.patched
  18         $(TRACE) target/$(ADK_TARGET)-kernel-prepare
  19         ln -sf $(TOOLCHAIN_BUILD_DIR)/linux-$(KERNEL_VERSION) $(LINUX_DIR)
  20         mkdir -p $(LINUX_BUILD_DIR)/kmod-control
  21         touch $@
  22
  23 $(LINUX_DIR)/.config: $(LINUX_DIR)/.prepared $(BUILD_DIR)/.kernelconfig
  24         $(TRACE) target/$(ADK_TARGET)-kernel-configure
  25         for f in $(TARGETS);do if [ -f $$f ];then rm $$f;fi;done $(MAKE_TRACE)
  26         $(CP) $(BUILD_DIR)/.kernelconfig $(LINUX_DIR)/.config
  27         echo N | $(MAKE) ${KERNEL_MAKE_OPTS} oldconfig $(MAKE_TRACE)
  28         $(MAKE) ${KERNEL_MAKE_OPTS} prepare scripts $(MAKE_TRACE)
  29         touch -c $(LINUX_DIR)/.config
  30
  31 $(LINUX_DIR)/vmlinux: $(LINUX_DIR)/.config
  32         $(TRACE) target/$(ADK_TARGET)-kernel-compile
  33         $(MAKE) ${KERNEL_MAKE_OPTS} -j${ADK_MAKE_JOBS} $(MAKE_TRACE)
  34         $(TRACE) target/$(ADK_TARGET)-kernel-modules-install
  35         rm -rf $(LINUX_BUILD_DIR)/modules
  36         $(MAKE) ${KERNEL_MAKE_OPTS} DEPMOD=true \
  37                 INSTALL_MOD_PATH=$(LINUX_BUILD_DIR)/modules \
  38                 modules_install $(MAKE_TRACE)
  39         $(TRACE) target/$(ADK_TARGET)-create-packages
  40         $(MAKE) $(KERNEL_PKG) $(TARGETS)
  41         touch -c $(LINUX_DIR)/vmlinux
  42
  43 $(KERNEL_PKG):
  44         $(TRACE) target/$(ADK_TARGET)-create-kernel-package
  45         rm -rf $(KERNEL_PKGDIR)
  46         @mkdir -p $(KERNEL_PKGDIR)/etc
  47         ${BASH} ${SCRIPT_DIR}/make-ipkg-dir.sh ${KERNEL_PKGDIR} \
  48             ../linux/kernel.control ${ADK_TARGET}-${KERNEL_VERSION} ${CPU_ARCH}
  49         $(PKG_BUILD) $(KERNEL_PKGDIR) $(PACKAGE_DIR) $(MAKE_TRACE)
  50
  51 prepare:
  52 compile: $(LINUX_DIR)/vmlinux
  53 install: compile
  54 ifneq ($(strip $(INSTALL_TARGETS)),)
  55         $(TRACE) target/${ADK_TARGET}-modules-install
  56 ifeq ($(ADK_TARGET_PACKAGE_IPKG),y)
  57         $(PKG_INSTALL) $(INSTALL_TARGETS) $(MAKE_TRACE)
  58 else
  59         $(foreach pkg,$(INSTALL_TARGETS),$(shell $(PKG_INSTALL) $(pkg)))
  60 endif
  61 endif
  62
  63 clean:
  64         rm -rf $(LINUX_BUILD_DIR)
  65         rm -f $(TARGETS)