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Commit 87c6f8a4 authored by Simon Glass's avatar Simon Glass Committed by Tom Rini
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expo: Add basic implementation



An expo is a way of presenting and collecting information from the
user. It consists of a collection of 'scenes' of which only one is
presented at a time. An expo is typically used to show a boot menu
and allow settings to be changed.

One created, the same expo can be automatically presented in graphical
form using a vidconsole, or in text form on a serial console.

Add an initial implementation of the expo itself. Supports for scenes
and objects is provided later.

Signed-off-by: default avatarSimon Glass <sjg@chromium.org>
parent 9e7ac0b0
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