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As things currently stand, traditional EFI boot loaders and the EFI boot stub are carrying essentially the same initialisation code required to setup an EFI machine for booting a kernel. There's really no need to have this code in two places and the hope is that, with this new protocol, initialisation and booting of the kernel can be left solely to the kernel's EFI boot stub. The responsibilities of the boot loader then become, o Loading the kernel image from boot media File system code still needs to be carried by boot loaders for the scenario where the kernel and initrd files reside on a file system that the EFI firmware doesn't natively understand, such as ext4, etc. o Providing a user interface Boot loaders still need to display any menus/interfaces, for example to allow the user to select from a list of kernels. Bump the boot protocol number because we added the 'handover_offset' field to indicate the location of the handover protocol entry point. Cc: H. Peter Anvin <hpa@zytor.com> Cc: Peter Jones <pjones@redhat.com> Cc: Ingo Molnar <mingo@kernel.org> Signed-off-by: Matt Fleming <matt.fleming@intel.com> Acked-and-Tested-by: Matthew Garrett <mjg@redhat.com> Link: http://lkml.kernel.org/r/1342689828-16815-1-git-send-email-matt@console-pimps.org Signed-off-by: H. Peter Anvin <hpa@zytor.com> |
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| .. | ||
| i386 | ||
| x86_64 | ||
| 00-INDEX | ||
| boot.txt | ||
| earlyprintk.txt | ||
| efi-stub.txt | ||
| entry_64.txt | ||
| exception-tables.txt | ||
| mtrr.txt | ||
| pat.txt | ||
| usb-legacy-support.txt | ||
| zero-page.txt | ||