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efi_loader: define development target in README.uefi 

Describe the target scope of the UEFI implementation in U-Boot.

Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
This commit is contained in:
Heinrich Schuchardt 2019-03-28 08:09:16 +01:00
parent 98dc260168
commit 9ba712dc84
1 changed files with 11 additions and 0 deletions
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doc/README.uefi
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@ -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