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diff --git a/Documentation/x86/x86_64/uefi.rst b/Documentation/x86/x86_64/uefi.rst deleted file mode 100644 index fbc30c9a071d..000000000000 --- a/Documentation/x86/x86_64/uefi.rst +++ /dev/null @@ -1,58 +0,0 @@ -.. SPDX-License-Identifier: GPL-2.0 - -===================================== -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_EFIVAR_FS=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 |