target/riscv32/Makefile

   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-build.mk
   6 include $(ADK_TOPDIR)/mk/image.mk
   7
   8 KERNEL:=$(LINUX_DIR)/vmlinux
   9 OSTRIP:=-R .reginfo -R .notes -R .note -R .comment -R .mdebug -R .note.gnu.build-id
  10 QEMU_ARGS:=-nographic
  11
  12 # target helper text
  13 ifeq ($(ADK_TARGET_FS),initramfs)
  14 targethelp:
  15         @echo 'The kernel file is: $(FW_DIR)/${TARGET_KERNEL}'
  16         @echo 'The initramfs image is: ${FW_DIR}/${INITRAMFS}'
  17 endif
  18 ifeq ($(ADK_TARGET_FS),initramfsarchive)
  19 targethelp:
  20         @echo 'The kernel file is: $(FW_DIR)/${TARGET_KERNEL}'
  21         @echo "The RootFS tarball is: $(FW_DIR)/$(ROOTFSUSERTARBALL)"
  22 endif
  23 ifeq ($(ADK_TARGET_FS),initramfspiggyback)
  24 targethelp:
  25         @echo 'The kernel+initramfs file is: $(FW_DIR)/${TARGET_KERNEL}'
  26 endif
  27
  28 kernel-strip:
  29         $(TARGET_CROSS)objcopy $(OSTRIP) -S $(KERNEL) $(BUILD_DIR)/$(TARGET_KERNEL)
  30
  31 kernel-install: kernel-strip
  32          @cp $(BUILD_DIR)/$(TARGET_KERNEL) $(FW_DIR)/$(TARGET_KERNEL)
  33
  34 bbl:
  35         @mkdir -p $(BUILD_DIR)/bbl
  36         @rm -rf $(BUILD_DIR)/riscv-pk
  37         (cd $(BUILD_DIR)/ && git clone https://github.com/riscv/riscv-pk.git)
  38         (cd $(BUILD_DIR)/bbl && PATH='$(HOST_PATH)' ../riscv-pk/configure \
  39                 --host=$(GNU_TARGET_NAME) --target=$(GNU_TARGET_NAME) \
  40                 --with-payload=$(FW_DIR)/$(TARGET_KERNEL))
  41         (cd $(BUILD_DIR)/bbl && PATH='$(HOST_PATH)' make)
  42         cp $(BUILD_DIR)/bbl/bbl $(FW_DIR)/$(TARGET_KERNEL).bbl
  43
  44 # filesystem specific targets
  45 ifeq ($(ADK_TARGET_FS),initramfs)
  46 imageinstall: kernel-install bbl $(FW_DIR)/$(INITRAMFS) targethelp
  47 endif
  48 ifeq ($(ADK_TARGET_FS),initramfsarchive)
  49 imageinstall: kernel-install bbl $(FW_DIR)/$(ROOTFSUSERTARBALL) targethelp
  50 endif
  51 ifeq ($(ADK_TARGET_FS),initramfspiggyback)
  52 imageinstall: createinitramfs bbl targethelp
  53 endif