[U-Boot] [RFC PATCH 30/44] sandbox: image: Add support for booting images in sandbox

[Marek Vasut]

Dear Simon Glass,

> Much of the image code uses addresses as ulongs and pointers
> interchangeably, casting between the two forms as needed.
> 
> This doesn't work with sandbox, which has a U-Boot RAM buffer which is
> separate from the host machine's memory.
> 
> Adjust the cost so that translating from a U-Boot address to a pointer uses
> map_sysmem(). This allows bootm to work correctly on sandbox.
> 
> Note that there are no exhaustive tests for this code on sandbox, so it is
> possible that some dark corners remain.
> 
> Signed-off-by: Simon Glass <sjg at chromium.org>

Code looks reasonable overall

Reviewed-by: Marek Vasut <marex at denx.de>

Best regards,
Marek Vasut