303f69668b
This also removes our mac80211 backport for now, as the version found in Attitude Adjustment is up-to-date.
111 lines
3.6 KiB
Diff
111 lines
3.6 KiB
Diff
From: nbd <nbd@3c298f89-4303-0410-b956-a3cf2f4a3e73>
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Date: Sun, 7 Oct 2012 23:01:52 +0000
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Subject: x86: add grub2 iso support
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diff --git a/Config.in b/Config.in
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index 5b4522e..54df7c8 100644
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--- a/Config.in
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+++ b/Config.in
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@@ -81,7 +81,7 @@ menu "Target Images"
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config TARGET_ROOTFS_ISO
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bool "iso"
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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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Create some bootable ISO image
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diff --git a/target/linux/x86/base-files/lib/preinit/20_check_iso b/target/linux/x86/base-files/lib/preinit/20_check_iso
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new file mode 100644
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index 0000000..beff6eb
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--- /dev/null
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+++ b/target/linux/x86/base-files/lib/preinit/20_check_iso
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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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+
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+boot_hook_add preinit_mount_root check_for_iso
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diff --git a/target/linux/x86/image/Makefile b/target/linux/x86/image/Makefile
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index 13da511..8f0debd 100644
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--- a/target/linux/x86/image/Makefile
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+++ b/target/linux/x86/image/Makefile
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@@ -9,7 +9,8 @@ include $(INCLUDE_DIR)/image.mk
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export PATH=$(TARGET_PATH):/sbin
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-GRUB2_MODULES = 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_SERIAL_CONFIG =
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GRUB_TERMINAL_CONFIG =
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@@ -51,7 +52,7 @@ ifneq ($(CONFIG_X86_GRUB_IMAGES),)
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define Image/cmdline/ext4
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root=$(ROOTPART) rootfstype=ext4 rootwait
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endef
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-
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+
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define Image/cmdline/jffs2-64k
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block2mtd.block2mtd=$(ROOTPART),65536,rootfs root=/dev/mtdblock0 rootfstype=jffs2 rootwait
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endef
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@@ -165,7 +166,31 @@ define Image/Build/squashfs
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$(call prepare_generic_squashfs,$(KDIR)/root.squashfs)
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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) $(KDIR)/root.grub/boot/grub
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$(CP) \
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$(KDIR)/stage2_eltorito \
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@@ -179,7 +204,8 @@ define Image/Build/iso
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$(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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-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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define Image/Build/vdi
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diff --git a/target/linux/x86/image/grub-iso.cfg b/target/linux/x86/image/grub-iso.cfg
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new file mode 100644
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index 0000000..4d5d697
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--- /dev/null
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+++ b/target/linux/x86/image/grub-iso.cfg
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@@ -0,0 +1,10 @@
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+@SERIAL_CONFIG@
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+@TERMINAL_CONFIG@
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+
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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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+
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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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