x86: add grub2 iso support
SVN-Revision: 33639
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parent
53cc34e517
commit
a1bcd25082
4 changed files with 45 additions and 4 deletions
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@ -81,7 +81,7 @@ menu "Target Images"
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config TARGET_ROOTFS_ISO
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config TARGET_ROOTFS_ISO
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bool "iso"
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bool "iso"
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default n
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default n
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depends TARGET_ROOTFS_INITRAMFS && TARGET_x86
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depends on TARGET_x86_generic
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help
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help
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Create some bootable ISO image
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Create some bootable ISO image
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5
target/linux/x86/base-files/lib/preinit/20_check_iso
Normal file
5
target/linux/x86/base-files/lib/preinit/20_check_iso
Normal file
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@ -0,0 +1,5 @@
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check_for_iso() {
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grep -qE '/dev/root.*iso9660' /proc/mounts && ramoverlay
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}
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boot_hook_add preinit_mount_root check_for_iso
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@ -10,6 +10,7 @@ include $(INCLUDE_DIR)/image.mk
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export PATH=$(TARGET_PATH):/sbin
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export PATH=$(TARGET_PATH):/sbin
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GRUB2_MODULES = at_keyboard biosdisk boot chain configfile ext2 linux ls part_msdos reboot serial vga
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GRUB2_MODULES = at_keyboard biosdisk boot chain configfile ext2 linux ls part_msdos reboot serial vga
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GRUB2_MODULES_ISO = at_keyboard biosdisk boot chain configfile iso9660 linux ls part_msdos reboot serial vga
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GRUB_TERMINALS =
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GRUB_TERMINALS =
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GRUB_SERIAL_CONFIG =
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GRUB_SERIAL_CONFIG =
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GRUB_TERMINAL_CONFIG =
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GRUB_TERMINAL_CONFIG =
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@ -159,7 +160,31 @@ define Image/Build/squashfs
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$(call prepare_generic_squashfs,$(KDIR)/root.squashfs)
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$(call prepare_generic_squashfs,$(KDIR)/root.squashfs)
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endef
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endef
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define Image/Build/iso
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ifdef CONFIG_X86_USE_GRUB2
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define Image/Build/iso
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$(INSTALL_DIR) $(KDIR)/root.grub/boot/grub $(KDIR)/grub2
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$(CP) $(KDIR)/bzImage $(KDIR)/root.grub/boot/vmlinuz
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grub-mkimage \
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-o $(KDIR)/grub2/eltorito.img \
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-O i386-pc \
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-c ./grub-early.cfg \
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$(GRUB2_MODULES_ISO)
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cat \
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$(STAGING_DIR_HOST)/lib/grub/i386-pc/cdboot.img \
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$(KDIR)/grub2/eltorito.img \
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> $(KDIR)/root.grub/boot/grub/eltorito.img
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sed \
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-e 's#@SERIAL_CONFIG@#$(strip $(GRUB_SERIAL_CONFIG))#g' \
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-e 's#@TERMINAL_CONFIG@#$(strip $(GRUB_TERMINAL_CONFIG))#g' \
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-e 's#@CMDLINE@#root=/dev/sr0 rootfstype=iso9660 rootwait $(strip $(call Image/cmdline/$(1)) $(BOOTOPTS) $(GRUB_CONSOLE_CMDLINE))#g' \
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-e 's#@TIMEOUT@#$(GRUB_TIMEOUT)#g' \
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./grub-iso.cfg > $(KDIR)/root.grub/boot/grub/grub.cfg
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$(CP) $(KDIR)/bzImage $(KDIR)/root.grub/boot/vmlinuz
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mkisofs -R -b boot/grub/eltorito.img -no-emul-boot -boot-info-table \
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-o $(KDIR)/root.iso $(KDIR)/root.grub $(TARGET_DIR)
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endef
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else
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define Image/Build/iso
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$(INSTALL_DIR) $(KDIR)/root.grub/boot/grub
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$(INSTALL_DIR) $(KDIR)/root.grub/boot/grub
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$(CP) \
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$(CP) \
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$(KDIR)/stage2_eltorito \
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$(KDIR)/stage2_eltorito \
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@ -173,7 +198,8 @@ define Image/Build/iso
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$(CP) $(KDIR)/bzImage $(KDIR)/root.grub/boot/vmlinuz
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$(CP) $(KDIR)/bzImage $(KDIR)/root.grub/boot/vmlinuz
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mkisofs -R -b boot/grub/stage2_eltorito -no-emul-boot -boot-load-size 4 -boot-info-table \
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mkisofs -R -b boot/grub/stage2_eltorito -no-emul-boot -boot-load-size 4 -boot-info-table \
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-o $(KDIR)/root.iso $(KDIR)/root.grub
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-o $(KDIR)/root.iso $(KDIR)/root.grub
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endef
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endef
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endif
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ifneq ($(CONFIG_X86_VDI_IMAGES),)
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ifneq ($(CONFIG_X86_VDI_IMAGES),)
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define Image/Build/vdi
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define Image/Build/vdi
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10
target/linux/x86/image/grub-iso.cfg
Normal file
10
target/linux/x86/image/grub-iso.cfg
Normal file
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@ -0,0 +1,10 @@
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@SERIAL_CONFIG@
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@TERMINAL_CONFIG@
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set default="0"
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set timeout="@TIMEOUT@"
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set root='(cd)'
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menuentry "OpenWrt" {
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linux /boot/vmlinuz @CMDLINE@ noinitrd reboot=bios
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}
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