boot/grub2/grub2.mk

   1 ################################################################################
   2 #
   3 # grub2
   4 #
   5 ################################################################################
   6
   7 GRUB2_VERSION = 2.00
   8 GRUB2_SITE = $(BR2_GNU_MIRROR)/grub
   9 GRUB2_SOURCE = grub-$(GRUB2_VERSION).tar.xz
  10 GRUB2_LICENSE = GPLv3+
  11 GRUB2_LICENSE_FILES = COPYING
  12 GRUB2_DEPENDENCIES = host-bison host-flex
  13
  14 GRUB2_BUILTIN_MODULES = $(call qstrip,$(BR2_TARGET_GRUB2_BUILTIN_MODULES))
  15 GRUB2_BUILTIN_CONFIG = $(call qstrip,$(BR2_TARGET_GRUB2_BUILTIN_CONFIG))
  16 GRUB2_BOOT_PARTITION = $(call qstrip,$(BR2_TARGET_GRUB2_BOOT_PARTITION))
  17
  18 ifeq ($(BR2_TARGET_GRUB2_I386_PC),y)
  19 GRUB2_IMAGE = $(BINARIES_DIR)/grub.img
  20 GRUB2_CFG = $(TARGET_DIR)/boot/grub/grub.cfg
  21 GRUB2_PREFIX = ($(GRUB2_BOOT_PARTITION))/boot/grub
  22 GRUB2_TUPLE = i386-pc
  23 GRUB2_TARGET = i386
  24 GRUB2_PLATFORM = pc
  25 else ifeq ($(BR2_TARGET_GRUB2_I386_EFI),y)
  26 GRUB2_IMAGE = $(BINARIES_DIR)/efi-part/EFI/BOOT/bootia32.efi
  27 GRUB2_CFG = $(BINARIES_DIR)/efi-part/EFI/BOOT/grub.cfg
  28 GRUB2_PREFIX = /EFI/BOOT
  29 GRUB2_TUPLE = i386-efi
  30 GRUB2_TARGET = i386
  31 GRUB2_PLATFORM = efi
  32 else ifeq ($(BR2_TARGET_GRUB2_X86_64_EFI),y)
  33 GRUB2_IMAGE = $(BINARIES_DIR)/efi-part/EFI/BOOT/bootx64.efi
  34 GRUB2_CFG = $(BINARIES_DIR)/efi-part/EFI/BOOT/grub.cfg
  35 GRUB2_PREFIX = /EFI/BOOT
  36 GRUB2_TUPLE = x86_64-efi
  37 GRUB2_TARGET = x86_64
  38 GRUB2_PLATFORM = efi
  39 endif
  40
  41 # Grub2 is kind of special: it considers CC, LD and so on to be the
  42 # tools to build the native tools (i.e to be executed on the build
  43 # machine), and uses TARGET_CC, TARGET_CFLAGS, TARGET_CPPFLAGS to
  44 # build the bootloader itself.
  45
  46 GRUB2_CONF_ENV = \
  47         $(HOST_CONFIGURE_OPTS) \
  48         CPP="$(HOSTCC) -E" \
  49         TARGET_CC="$(TARGET_CC)" \
  50         TARGET_CFLAGS="$(TARGET_CFLAGS)" \
  51         TARGET_CPPFLAGS="$(TARGET_CPPFLAGS)"
  52
  53 GRUB2_CONF_OPTS = \
  54         --target=$(GRUB2_TARGET) \
  55         --with-platform=$(GRUB2_PLATFORM) \
  56         --disable-grub-mkfont \
  57         --enable-efiemu=no \
  58         --enable-liblzma=no \
  59         --enable-device-mapper=no \
  60         --enable-libzfs=no \
  61         --disable-werror
  62
  63 # We don't want all the native tools and Grub2 modules to be installed
  64 # in the target. So we in fact install everything into the host
  65 # directory, and the image generation process (below) will use the
  66 # grub-mkimage tool and Grub2 modules from the host directory.
  67
  68 GRUB2_INSTALL_TARGET_OPTS = DESTDIR=$(HOST_DIR) install
  69
  70 define GRUB2_IMAGE_INSTALLATION
  71         mkdir -p $(dir $(GRUB2_IMAGE))
  72         $(HOST_DIR)/usr/bin/grub-mkimage \
  73                 -d $(HOST_DIR)/usr/lib/grub/$(GRUB2_TUPLE) \
  74                 -O $(GRUB2_TUPLE) \
  75                 -o $(GRUB2_IMAGE) \
  76                 -p "$(GRUB2_PREFIX)" \
  77                 $(if $(GRUB2_BUILTIN_CONFIG),-c $(GRUB2_BUILTIN_CONFIG)) \
  78                 $(GRUB2_BUILTIN_MODULES)
  79         mkdir -p $(dir $(GRUB2_CFG))
  80         $(INSTALL) -D -m 0644 boot/grub2/grub.cfg $(GRUB2_CFG)
  81 endef
  82 GRUB2_POST_INSTALL_TARGET_HOOKS += GRUB2_IMAGE_INSTALLATION
  83
  84 ifeq ($(GRUB2_PLATFORM),efi)
  85 define GRUB2_EFI_STARTUP_NSH
  86         echo $(notdir $(GRUB2_IMAGE)) > \
  87                 $(BINARIES_DIR)/efi-part/startup.nsh
  88 endef
  89 GRUB2_POST_INSTALL_TARGET_HOOKS += GRUB2_EFI_STARTUP_NSH
  90 endif
  91
  92 $(eval $(autotools-package))