[U-Boot] [PATCH v4 07/12] tools: mkimage: add tee-bootable image type

Tom Rini trini at konsulko.com
Mon Feb 26 14:29:11 UTC 2018


On Mon, Feb 26, 2018 at 12:36:01PM +0000, Bryan O'Donoghue wrote:
> This patch adds support for bootable TEE images to mkimage. Currently
> there is a (Trusted Execution Environment) TEE image type, the TEE image
> type is installed to a memory location control is passed to the TEE and
> then the TEE returns to u-boot.
> 
> flow #0:
> BootROM -> u-boot -> tee -> u-boot -> onwards
> 
> For some TEE implementations, such as upstream OPTEE for i.MX6 and i.MX7
> the boot flow is
> 
> flow #1:
> BootROM -> u-boot -> optee -> kernel

Can you please re-phrase these flows in the way Andrew had, in the other
thread where it's clear what happens on the secure vs non-secure side?
I found that most helpful and I bet others reading the log in the future
will as well.  Thanks!

-- 
Tom
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