795df97093
After having extended the iso9660 support to allow isolinux as an alternative to grub, this commit adds grub2 as a third alternative. With the previous work done to support isolinux, adding support for grub2 is fairly trivial. [Thomas: set timeout to 10 seconds and not 5 seconds, in order to match the configuration used for grub.] Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com> Reviewed-by: "Yann E. MORIN" <yann.morin.1998@free.fr>
161 lines
5.3 KiB
Makefile
161 lines
5.3 KiB
Makefile
################################################################################
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#
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# Build the iso96600 root filesystem image
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#
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################################################################################
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#
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# We need to handle three cases:
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#
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# 1. The ISO9660 filesystem will really be the real root filesystem
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# itself. This is when BR2_TARGET_ROOTFS_ISO9660_INITRD is
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# disabled.
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#
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# 2. The ISO9660 filesystem will be a filesystem with just a kernel
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# image, initrd and grub. This is when
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# BR2_TARGET_ROOTFS_ISO9660_INITRD is enabled, but
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# BR2_TARGET_ROOTFS_INITRAMFS is disabled.
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#
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# 3. The ISO9660 filesystem will be a filesystem with just a kernel
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# image and grub. This is like (2), except that the initrd is
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# built into the kernel image. This is when
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# BR2_TARGET_ROOTFS_INITRAMFS is enabled (regardless of the value
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# of BR2_TARGET_ROOTFS_ISO9660_INITRD).
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ROOTFS_ISO9660_BOOT_MENU = $(call qstrip,$(BR2_TARGET_ROOTFS_ISO9660_BOOT_MENU))
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ROOTFS_ISO9660_DEPENDENCIES = host-cdrkit host-fakeroot linux
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ifeq ($(BR2_TARGET_ROOTFS_INITRAMFS),y)
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ROOTFS_ISO9660_USE_INITRD = YES
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endif
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ifeq ($(BR2_TARGET_ROOTFS_ISO9660_INITRD),y)
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ROOTFS_ISO9660_USE_INITRD = YES
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endif
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ifeq ($(ROOTFS_ISO9660_USE_INITRD),YES)
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ROOTFS_ISO9660_TARGET_DIR = $(BUILD_DIR)/rootfs-iso9660.tmp
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define ROOTFS_ISO9660_CREATE_TEMPDIR
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$(RM) -rf $(ROOTFS_ISO9660_TARGET_DIR)
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mkdir -p $(ROOTFS_ISO9660_TARGET_DIR)
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endef
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else
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ROOTFS_ISO9660_TARGET_DIR = $(TARGET_DIR)
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endif
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ifeq ($(BR2_TARGET_ROOTFS_ISO9660_GRUB),y)
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ROOTFS_ISO9660_DEPENDENCIES += grub
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ROOTFS_ISO9660_BOOTLOADER_CONFIG_PATH = \
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$(ROOTFS_ISO9660_TARGET_DIR)/boot/grub/menu.lst
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ROOTFS_ISO9660_BOOT_IMAGE = boot/grub/stage2_eltorito
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define ROOTFS_ISO9660_INSTALL_BOOTLOADER
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$(INSTALL) -D -m 0644 $(GRUB_DIR)/stage2/stage2_eltorito \
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$(ROOTFS_ISO9660_TARGET_DIR)/boot/grub/stage2_eltorito
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endef
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else ifeq ($(BR2_TARGET_ROOTFS_ISO9660_GRUB2),y)
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ROOTFS_ISO9660_DEPENDENCIES += grub2
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ROOTFS_ISO9660_BOOTLOADER_CONFIG_PATH = \
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$(ROOTFS_ISO9660_TARGET_DIR)/boot/grub/grub.cfg
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ROOTFS_ISO9660_BOOT_IMAGE = boot/grub/grub-eltorito.img
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define ROOTFS_ISO9660_INSTALL_BOOTLOADER
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$(INSTALL) -D -m 0644 $(BINARIES_DIR)/grub-eltorito.img \
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$(ROOTFS_ISO9660_TARGET_DIR)/boot/grub/grub-eltorito.img
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endef
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else ifeq ($(BR2_TARGET_ROOTFS_ISO9660_ISOLINUX),y)
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ROOTFS_ISO9660_DEPENDENCIES += syslinux
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ROOTFS_ISO9660_BOOTLOADER_CONFIG_PATH = \
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$(ROOTFS_ISO9660_TARGET_DIR)/isolinux/isolinux.cfg
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ROOTFS_ISO9660_BOOT_IMAGE = isolinux/isolinux.bin
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define ROOTFS_ISO9660_INSTALL_BOOTLOADER
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$(INSTALL) -D -m 0644 $(BINARIES_DIR)/syslinux/isolinux.bin \
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$(ROOTFS_ISO9660_TARGET_DIR)/isolinux/isolinux.bin
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$(INSTALL) -D -m 0644 $(HOST_DIR)/usr/share/syslinux/ldlinux.c32 \
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$(ROOTFS_ISO9660_TARGET_DIR)/isolinux/ldlinux.c32
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endef
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endif
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define ROOTFS_ISO9660_PREPARATION
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$(INSTALL) -D -m 0644 $(ROOTFS_ISO9660_BOOT_MENU) \
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$(ROOTFS_ISO9660_BOOTLOADER_CONFIG_PATH)
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$(SED) "s%__KERNEL_PATH__%/boot/$(LINUX_IMAGE_NAME)%" \
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$(ROOTFS_ISO9660_BOOTLOADER_CONFIG_PATH)
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$(ROOTFS_ISO9660_INSTALL_BOOTLOADER)
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endef
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ROOTFS_ISO9660_PRE_GEN_HOOKS += ROOTFS_ISO9660_PREPARATION
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# Grub splash screen disabling
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ifeq ($(BR2_TARGET_ROOTFS_ISO9660_GRUB),y)
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ifeq ($(BR2_TARGET_GRUB_SPLASH),)
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define ROOTFS_ISO9660_DISABLE_SPLASHSCREEN
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$(SED) '/^splashimage/d' $(ROOTFS_ISO9660_BOOTLOADER_CONFIG_PATH)
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endef
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ROOTFS_ISO9660_PRE_GEN_HOOKS += ROOTFS_ISO9660_DISABLE_SPLASHSCREEN
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endif
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endif
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define ROOTFS_ISO9660_DISABLE_EXTERNAL_INITRD
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$(SED) '/__INITRD_PATH__/d' $(ROOTFS_ISO9660_BOOTLOADER_CONFIG_PATH)
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endef
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ifeq ($(ROOTFS_ISO9660_USE_INITRD),YES)
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# Copy Grub splashscreen to temporary filesystem
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ifeq ($(BR2_TARGET_ROOTFS_ISO9660_GRUB),y)
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ifeq ($(BR2_TARGET_GRUB_SPLASH),y)
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define ROOTFS_ISO9660_INSTALL_SPLASHSCREEN
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$(INSTALL) -D -m 0644 $(TARGET_DIR)/boot/grub/splash.xpm.gz \
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$(ROOTFS_ISO9660_TARGET_DIR)/boot/grub/splash.xpm.gz
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endef
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ROOTFS_ISO9660_PRE_GEN_HOOKS += ROOTFS_ISO9660_INSTALL_SPLASHSCREEN
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endif
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endif
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# Copy the kernel to temporary filesystem
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define ROOTFS_ISO9660_COPY_KERNEL
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$(INSTALL) -D -m 0644 $(LINUX_IMAGE_PATH) \
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$(ROOTFS_ISO9660_TARGET_DIR)/boot/$(LINUX_IMAGE_NAME)
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endef
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ROOTFS_ISO9660_PRE_GEN_HOOKS += ROOTFS_ISO9660_COPY_KERNEL
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# If initramfs is used, disable loading the initrd as the rootfs is
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# already inside the kernel image. Otherwise, make sure a cpio is
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# generated and use it as the initrd.
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ifeq ($(BR2_TARGET_ROOTFS_INITRAMFS),y)
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ROOTFS_ISO9660_PRE_GEN_HOOKS += ROOTFS_ISO9660_DISABLE_EXTERNAL_INITRD
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else
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ROOTFS_ISO9660_DEPENDENCIES += rootfs-cpio
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define ROOTFS_ISO9660_COPY_INITRD
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$(INSTALL) -D -m 0644 $(BINARIES_DIR)/rootfs.cpio$(ROOTFS_CPIO_COMPRESS_EXT) \
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$(ROOTFS_ISO9660_TARGET_DIR)/boot/initrd
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$(SED) "s%__INITRD_PATH__%/boot/initrd%" \
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$(ROOTFS_ISO9660_BOOTLOADER_CONFIG_PATH)
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endef
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ROOTFS_ISO9660_PRE_GEN_HOOKS += ROOTFS_ISO9660_COPY_INITRD
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endif
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else # ROOTFS_ISO9660_USE_INITRD
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ROOTFS_ISO9660_PRE_GEN_HOOKS += ROOTFS_ISO9660_DISABLE_EXTERNAL_INITRD
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endif # ROOTFS_ISO9660_USE_INITRD
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define ROOTFS_ISO9660_CMD
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$(HOST_DIR)/usr/bin/genisoimage -J -R -b $(ROOTFS_ISO9660_BOOT_IMAGE) \
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-no-emul-boot -boot-load-size 4 -boot-info-table \
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-o $@ $(ROOTFS_ISO9660_TARGET_DIR)
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endef
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ifeq ($(BR2_TARGET_ROOTFS_ISO9660_HYBRID),y)
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define ROOTFS_ISO9660_GEN_HYBRID
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$(HOST_DIR)/usr/bin/isohybrid -t 0x96 $@
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endef
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ROOTFS_ISO9660_POST_GEN_HOOKS += ROOTFS_ISO9660_GEN_HYBRID
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endif
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$(eval $(call ROOTFS_TARGET,iso9660))
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