From 9ba712dc84e8824055c368a385794f69aabab661 Mon Sep 17 00:00:00 2001 From: Heinrich Schuchardt Date: Thu, 28 Mar 2019 08:09:16 +0100 Subject: [PATCH] efi_loader: define development target in README.uefi Describe the target scope of the UEFI implementation in U-Boot. Signed-off-by: Heinrich Schuchardt --- doc/README.uefi | 11 +++++++++++ 1 file changed, 11 insertions(+) diff --git a/doc/README.uefi b/doc/README.uefi index b38efbc..66b6abe 100644 --- a/doc/README.uefi +++ b/doc/README.uefi @@ -12,6 +12,15 @@ the interaction of drivers and applications with the firmware. The API comprises access to block storage, network, and console to name a few. The Linux kernel and boot loaders like GRUB or the FreeBSD loader can be executed. +## Development target + +The implementation of UEFI in U-Boot strives to reach the minimum requirements +described in "Server Base Boot Requirements System Software on ARM Platforms - +Version 1.1" [4]. + +A full blown UEFI implementation would contradict the U-Boot design principle +"keep it small". + ## Building for UEFI The UEFI standard supports only little-endian systems. The UEFI support can be @@ -335,3 +344,5 @@ This driver is only available if U-Boot is configured with http://uefi.org/specifications - UEFI specifications * [2](./driver-model/README.txt) doc/driver-model/README.txt - Driver model * [3](./README.iscsi) doc/README.iscsi - iSCSI booting with U-Boot and iPXE +* [4](https://developer.arm.com/docs/den0044/latest/server-base-boot-requirements-system-software-on-arm-platforms-version-11) + Server Base Boot Requirements System Software on ARM Platforms - Version 1.1 -- 2.7.4