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Diffstat (limited to 'Documentation/x86/x86_64/uefi.txt')
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diff --git a/Documentation/x86/x86_64/uefi.txt b/Documentation/x86/x86_64/uefi.txt deleted file mode 100644 index a5e2b4fdb170..000000000000 --- a/Documentation/x86/x86_64/uefi.txt +++ /dev/null @@ -1,42 +0,0 @@ -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 - If EFI runtime services are expected, the following configuration should - be selected. - CONFIG_EFI=y - CONFIG_EFI_VARS=y or m # optional -- 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. -- If some or all EFI runtime services don't work, you can try following - kernel command line parameters to turn off some or all EFI runtime - services. - noefi turn off all EFI runtime services - reboot_type=k turn off EFI reboot runtime service -- If the EFI memory map has additional entries not in the E820 map, - you can include those entries in the kernels memory map of available - physical RAM by using the following kernel command line parameter. - add_efi_memmap include EFI memory map of available physical RAM |