[U-Boot] [PATCH v5] arm: Add support for semihosting for armv8 fastmodel targets.

[Albert ARIBAUD <albert.u.boot@aribaud.net>]

Hi Darwin,

On Mon, 9 Jun 2014 11:12:59 -0700, Darwin Rambo <drambo@broadcom.com>
wrote:

> The armv8 ARM Trusted Firmware (ATF) can be used to load various ATF
> images and u-boot, and does this for virtual platforms by using
> semihosting. This commit extends this idea by allowing u-boot to also
> use semihosting to load the kernel/ramdisk/dtb. This eliminates the need
> for a bootwrapper and produces a more realistic boot sequence with
> virtual models.
> 
> Though the semihosting code is quite generic, support for armv7 in
> fastmodel is less useful due to the wide range of available silicon
> and the lack of a free armv7 fastmodel, so this change contains an
> untested armv7 placeholder for the service trap opcode.
> 
> Please refer to README.semihosting for a more detailed description of
> semihosting and how it is used with the armv8 virtual platforms.
> 
> Signed-off-by: Darwin Rambo <drambo@broadcom.com>
> Cc: trini at ti.com
> Cc: fenghua at phytium.com.cn
> Cc: bhupesh.sharma at freescale.com
> 
> ---

Applied to u-boot-arm/master, with the change from "README..." to
"doc/README..." as agreed, thanks!

Amicalement,
-- 
Albert.