According to UEFI specification all EFI platforms must support GUID Partition Table(GPT) disk layout. Here is a list of advantages of using GPT disk layout over the legacy MBR partitioning:
- Logical Block Addresses (LBAs) are 64 bits (rather than 32 bits). - Supports many partitions (rather than just four primary partitions). - Provides both a primary and backup partition table for redundancy. - Uses version number and size fields for future expansion. - Uses CRC32 fields for improved data integrity. - Defines a GUID for uniquely identifying each partition. - Uses a GUID and attributes to define partition content type. - Each partition contains a 36 character human readable name. Used GPT partitioning in all EFI kickstart files. Tested result images on NUC, MinnowBoard MAX and MinnowBoard Turbot. Signed-off-by: Ed Bartosh <ed.bart...@linux.intel.com> --- scripts/lib/wic/canned-wks/mkefidisk.wks | 2 +- scripts/lib/wic/canned-wks/mkgummidisk.wks | 2 +- scripts/lib/wic/canned-wks/systemd-bootdisk.wks | 2 +- 3 files changed, 3 insertions(+), 3 deletions(-) diff --git a/scripts/lib/wic/canned-wks/mkefidisk.wks b/scripts/lib/wic/canned-wks/mkefidisk.wks index 7c287f7..9f534fe 100644 --- a/scripts/lib/wic/canned-wks/mkefidisk.wks +++ b/scripts/lib/wic/canned-wks/mkefidisk.wks @@ -8,4 +8,4 @@ part / --source rootfs --ondisk sda --fstype=ext4 --label platform --align 1024 part swap --ondisk sda --size 44 --label swap1 --fstype=swap -bootloader --timeout=5 --append="rootfstype=ext4 console=ttyS0,115200 console=tty0" +bootloader --ptable gpt --timeout=5 --append="rootfstype=ext4 console=ttyS0,115200 console=tty0" diff --git a/scripts/lib/wic/canned-wks/mkgummidisk.wks b/scripts/lib/wic/canned-wks/mkgummidisk.wks index 616d3ce..f3ae090 100644 --- a/scripts/lib/wic/canned-wks/mkgummidisk.wks +++ b/scripts/lib/wic/canned-wks/mkgummidisk.wks @@ -8,4 +8,4 @@ part / --source rootfs --ondisk sda --fstype=ext4 --label platform --align 1024 part swap --ondisk sda --size 44 --label swap1 --fstype=swap -bootloader --timeout=5 --append="rootwait rootfstype=ext4 console=ttyS0,115200 console=tty0" +bootloader --ptable gpt --timeout=5 --append="rootwait rootfstype=ext4 console=ttyS0,115200 console=tty0" diff --git a/scripts/lib/wic/canned-wks/systemd-bootdisk.wks b/scripts/lib/wic/canned-wks/systemd-bootdisk.wks index a49d130..b900023 100644 --- a/scripts/lib/wic/canned-wks/systemd-bootdisk.wks +++ b/scripts/lib/wic/canned-wks/systemd-bootdisk.wks @@ -8,4 +8,4 @@ part / --source rootfs --ondisk sda --fstype=ext4 --label platform --align 1024 part swap --ondisk sda --size 44 --label swap1 --fstype=swap -bootloader --timeout=5 --append="rootwait rootfstype=ext4 console=ttyS0,115200 console=tty0" +bootloader --ptable gpt --timeout=5 --append="rootwait rootfstype=ext4 console=ttyS0,115200 console=tty0" -- 2.1.4 -- _______________________________________________ Openembedded-core mailing list Openembedded-core@lists.openembedded.org http://lists.openembedded.org/mailman/listinfo/openembedded-core