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efi_loader: the development target should be the EBBR

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Two subsets of the UEFI specifications have been defined. The one for
servers is "Server Base Boot Requirements System Software on ARM
Platforms" (SBBR), the one for embedded systems is the "Embedded Base Boot
Requirements (EBBR) Specification". Reaching compliance with thei EBBR is a
more realistic development target than reaching complicance with the SBBR.

Suggested-by: Alexander Graf <agraf@csgraf.de>
Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
This commit is contained in:
Heinrich Schuchardt 2019-04-10 08:04:38 +02:00
parent 60fd8844af
commit dc6f3f48c5
1 changed files with 8 additions and 4 deletions
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12
doc/README.uefi
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@ -14,9 +14,11 @@ 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].
The implementation of UEFI in U-Boot strives to reach the requirements described
in the "Embedded Base Boot Requirements (EBBR) Specification - Release v1.0"
[4]. The "Server Base Boot Requirements System Software on ARM Platforms" [5]
describes a superset of the EBBR specification and may be used as further
reference.
A full blown UEFI implementation would contradict the U-Boot design principle
"keep it small".
@ -344,5 +346,7 @@ 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)
* [4](https://github.com/ARM-software/ebbr/releases/download/v1.0/ebbr-v1.0.pdf)
Embedded Base Boot Requirements (EBBR) Specification - Release v1.0
* [5](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