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x86: generate EFI platform bootable images

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Add EFI platform bootable images for x86 platforms. These images can
also boot from legacy BIOS platform.

EFI System Partition need to be fat12/fat16/fat32 (not need to load
filesystem drivers), so the first partition of EFI images are not ext4
filesystem any more.

GPT partition table has an alternate partition table, we did not
generate it. This may cause problems when use these images as qemu disk
(kernel can not find rootfs), we pad enough sectors will be ok.

Signed-off-by: 李国 <uxgood.org@gmail.com>
[part_magic_* refactoring, removed genisoimage checks]
Signed-off-by: Petr Štetiar <ynezz@true.cz>
This commit is contained in:
李国
2020-03-26 14:05:33 +08:00
committed by Petr Štetiar
parent d9228514cc
commit a6b7c3e672
12 changed files with 165 additions and 38 deletions
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29
config/Config-images.in
View File

@@ -188,19 +188,28 @@ menu "Target Images"
select PACKAGE_grub2
default y
config GRUB_EFI_IMAGES
bool "Build GRUB EFI images (Linux x86 or x86_64 host only)"
depends on TARGET_x86
depends on TARGET_ROOTFS_EXT4FS || TARGET_ROOTFS_JFFS2 || TARGET_ROOTFS_SQUASHFS
select PACKAGE_grub2
select PACKAGE_grub2-efi
select PACKAGE_kmod-fs-vfat
default y
config GRUB_CONSOLE
bool "Use Console Terminal (in addition to Serial)"
depends on GRUB_IMAGES
depends on GRUB_IMAGES || GRUB_EFI_IMAGES
default y
config GRUB_SERIAL
string "Serial port device"
depends on GRUB_IMAGES
depends on GRUB_IMAGES || GRUB_EFI_IMAGES
default "ttyS0"
config GRUB_BAUDRATE
int "Serial port baud rate"
depends on GRUB_IMAGES
depends on GRUB_IMAGES || GRUB_EFI_IMAGES
default 38400 if TARGET_x86_generic
default 115200
@@ -211,20 +220,20 @@ menu "Target Images"
config GRUB_BOOTOPTS
string "Extra kernel boot options"
depends on GRUB_IMAGES
depends on GRUB_IMAGES || GRUB_EFI_IMAGES
help
If you don't know, just leave it blank.
config GRUB_TIMEOUT
string "Seconds to wait before booting the default entry"
depends on GRUB_IMAGES
depends on GRUB_IMAGES || GRUB_EFI_IMAGES
default "5"
help
If you don't know, 5 seconds is a reasonable default.
config GRUB_TITLE
string "Title for the menu entry in GRUB"
depends on GRUB_IMAGES
depends on GRUB_IMAGES || GRUB_EFI_IMAGES
default "OpenWrt"
help
This is the title of the GRUB menu entry.
@@ -233,18 +242,18 @@ menu "Target Images"
config ISO_IMAGES
bool "Build LiveCD image (ISO)"
depends on TARGET_x86
select GRUB_IMAGES
depends on GRUB_IMAGES || GRUB_EFI_IMAGES
config VDI_IMAGES
bool "Build VirtualBox image files (VDI)"
depends on TARGET_x86
select GRUB_IMAGES
depends on GRUB_IMAGES || GRUB_EFI_IMAGES
select PACKAGE_kmod-e1000
config VMDK_IMAGES
bool "Build VMware image files (VMDK)"
depends on TARGET_x86
select GRUB_IMAGES
depends on GRUB_IMAGES || GRUB_EFI_IMAGES
select PACKAGE_kmod-e1000
config TARGET_IMAGES_GZIP
@@ -272,7 +281,7 @@ menu "Target Images"
config TARGET_ROOTFS_PARTNAME
string "Root partition on target device"
depends on GRUB_IMAGES
depends on GRUB_IMAGES || GRUB_EFI_IMAGES
help
Override the root partition on the final device. If left empty,
it will be mounted by PARTUUID which makes the kernel find the