From 1c65b4e0f27f3688d95de59cbdfa076270251f3c Mon Sep 17 00:00:00 2001 From: Changbin Du Date: Wed, 8 May 2019 23:21:36 +0800 Subject: Documentation: x86: convert x86_64/uefi.txt to reST This converts the plain text documentation to reStructuredText format and add it to Sphinx TOC tree. No essential content change. Signed-off-by: Changbin Du Reviewed-by: Mauro Carvalho Chehab Signed-off-by: Jonathan Corbet --- Documentation/x86/x86_64/index.rst | 1 + Documentation/x86/x86_64/uefi.rst | 58 ++++++++++++++++++++++++++++++++++++++ Documentation/x86/x86_64/uefi.txt | 42 --------------------------- 3 files changed, 59 insertions(+), 42 deletions(-) create mode 100644 Documentation/x86/x86_64/uefi.rst delete mode 100644 Documentation/x86/x86_64/uefi.txt (limited to 'Documentation/x86') diff --git a/Documentation/x86/x86_64/index.rst b/Documentation/x86/x86_64/index.rst index a8cf7713cac9..ddfa1f9d4193 100644 --- a/Documentation/x86/x86_64/index.rst +++ b/Documentation/x86/x86_64/index.rst @@ -8,3 +8,4 @@ x86_64 Support :maxdepth: 2 boot-options + uefi diff --git a/Documentation/x86/x86_64/uefi.rst b/Documentation/x86/x86_64/uefi.rst new file mode 100644 index 000000000000..88c3ba32546f --- /dev/null +++ b/Documentation/x86/x86_64/uefi.rst @@ -0,0 +1,58 @@ +.. 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_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 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 -- cgit v1.2.3-55-g7522