The patch titled
x86_64 EFI boot support: EFI boot document
has been added to the -mm tree. Its filename is
x86_64-efi-boot-support-efi-boot-document.patch
*** Remember to use Documentation/SubmitChecklist when testing your code ***
See http://www.zip.com.au/~akpm/linux/patches/stuff/added-to-mm.txt to find
out what to do about this
------------------------------------------------------
Subject: x86_64 EFI boot support: EFI boot document
From: "Huang, Ying" <ying.huang@xxxxxxxxx>
This patch adds document for EFI x86_64 boot support. The setup and operation
guide of EFI based system is documented in Documentation/x86_64/uefi.txt.
Signed-off-by: Chandramouli Narayanan <mouli@xxxxxxxxxxxxxxx>
Signed-off-by: Huang Ying <ying.huang@xxxxxxxxx>
Cc: "H. Peter Anvin" <hpa@xxxxxxxxx>
Cc: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
Cc: Ingo Molnar <mingo@xxxxxxx>
Cc: Andi Kleen <ak@xxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
Documentation/x86_64/uefi.txt | 29 +++++++++++++++++++++++++++++
1 file changed, 29 insertions(+)
diff -puN /dev/null Documentation/x86_64/uefi.txt
--- /dev/null
+++ a/Documentation/x86_64/uefi.txt
@@ -0,0 +1,29 @@
+General note on [U]EFI x86_64 support
+-------------------------------------
+
+The nomenclature EFI and UEFI are used interchangeably in this document.
+
+Although the tools below are _not_ needed for building the kernel,
+the needed bootloader support and associated tools for x86_64 platforms
+with EFI firmware and specifications are listed below.
+
+1. UEFI specification: http://www.uefi.org
+
+2. Booting Linux kernel on UEFI x86_64 platform requires bootloader
+ support. Elilo with x86_64 support can be used.
+
+3. x86_64 platform with EFI/UEFI firmware.
+
+Mechanics:
+---------
+- Build the kernel with the following configuration.
+ CONFIG_FB_EFI=y
+ CONFIG_FRAMEBUFFER_CONSOLE=y
+- Create a VFAT partition on the disk
+- Copy the following to the VFAT partition:
+ elilo bootloader with x86_64 support, elilo configuration file,
+ kernel image built in first step and corresponding
+ initrd. Instructions on building elilo and its dependencies
+ can be found in the elilo sourceforge project.
+- Boot to EFI shell and invoke elilo choosing the kernel image built
+ in first step.
_
Patches currently in -mm which might be from ying.huang@xxxxxxxxx are
x86_64-efi-boot-support-efi-frame-buffer.patch
x86_64-efi-boot-support-efi-boot-document.patch
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