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fs/iso9660: add isolinux support 

After all the preparation commits, this commit finally adds the
iso9660 support itself. Besides adding a new Config.in entry, a little
bit of .mk code and the isolinux.cfg default configuration, not much
is needed.

Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Reviewed-by: "Yann E. MORIN" <yann.morin.1998@free.fr>
This commit is contained in:
Thomas Petazzoni 2015-06-09 00:21:45 +02:00
parent bd256e96c0
commit f9ac784ee6
3 changed files with 30 additions and 6 deletions
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20
fs/iso9660/Config.in
View File

@ -2,7 +2,7 @@ config BR2_TARGET_ROOTFS_ISO9660
bool "iso image"
depends on (BR2_i386 || BR2_x86_64)
depends on BR2_LINUX_KERNEL
depends on BR2_TARGET_GRUB
depends on BR2_TARGET_GRUB || BR2_TARGET_SYSLINUX_ISOLINUX
select BR2_LINUX_KERNEL_INSTALL_TARGET \
if (!BR2_TARGET_ROOTFS_ISO9660_INITRD && !BR2_TARGET_ROOTFS_INITRAMFS)
help
@ -29,15 +29,22 @@ config BR2_TARGET_ROOTFS_ISO9660_GRUB
depends on BR2_TARGET_GRUB
select BR2_TARGET_GRUB_FS_ISO9660
config BR2_TARGET_ROOTFS_ISO9660_ISOLINUX
bool "isolinux"
depends on BR2_TARGET_SYSLINUX_ISOLINUX
endchoice
config BR2_TARGET_ROOTFS_ISO9660_BOOT_MENU
string "Boot menu.lst file"
default "fs/iso9660/menu.lst" if BR2_TARGET_ROOTFS_ISO9660_GRUB
default "fs/iso9660/isolinux.cfg" if BR2_TARGET_ROOTFS_ISO9660_ISOLINUX
help
Use this option to provide a custom Grub menu.lst file. Note
that the strings __KERNEL_PATH__ and __INITRD_PATH__ will
automatically be replaced by the path to the kernel and
Use this option to provide a custom bootloader configuration
file (menu.lst for Grub, isolinux.cfg for isolinux).
Note that the strings __KERNEL_PATH__ and __INITRD_PATH__
will automatically be replaced by the path to the kernel and
initrd images respectively.
config BR2_TARGET_ROOTFS_ISO9660_INITRD
@ -53,6 +60,7 @@ config BR2_TARGET_ROOTFS_ISO9660_INITRD
endif
comment "iso image needs a Linux kernel and grub to be built"
comment "iso image needs a Linux kernel and one of grub or isolinux to be built"
depends on BR2_i386 || BR2_x86_64
depends on !BR2_LINUX_KERNEL || !BR2_TARGET_GRUB
depends on !BR2_LINUX_KERNEL || \
!(BR2_TARGET_GRUB || BR2_TARGET_SYSLINUX_ISOLINUX)

11
fs/iso9660/iso9660.mk
View File

@ -53,6 +53,17 @@ define ROOTFS_ISO9660_INSTALL_BOOTLOADER
$(INSTALL) -D -m 0644 $(GRUB_DIR)/stage2/stage2_eltorito \
$(ROOTFS_ISO9660_TARGET_DIR)/boot/grub/stage2_eltorito
endef
else ifeq ($(BR2_TARGET_ROOTFS_ISO9660_ISOLINUX),y)
ROOTFS_ISO9660_DEPENDENCIES += syslinux
ROOTFS_ISO9660_BOOTLOADER_CONFIG_PATH = \
$(ROOTFS_ISO9660_TARGET_DIR)/isolinux/isolinux.cfg
ROOTFS_ISO9660_BOOT_IMAGE = isolinux/isolinux.bin
define ROOTFS_ISO9660_INSTALL_BOOTLOADER
$(INSTALL) -D -m 0644 $(BINARIES_DIR)/syslinux/isolinux.bin \
$(ROOTFS_ISO9660_TARGET_DIR)/isolinux/isolinux.bin
$(INSTALL) -D -m 0644 $(HOST_DIR)/usr/share/syslinux/ldlinux.c32 \
$(ROOTFS_ISO9660_TARGET_DIR)/isolinux/ldlinux.c32
endef
endif
define ROOTFS_ISO9660_PREPARATION

5
fs/iso9660/isolinux.cfg Normal file
View File

@ -0,0 +1,5 @@
default 1
label 1
kernel __KERNEL_PATH__
initrd __INITRD_PATH__
append root=/dev/sr0