[En-Nut-Discussion] arm port (RFC: Changing ARM mode)

[Adam Dybkowski]

duane ellis wrote:

> ole> For me it sounds much cleaner to run as most code as possible in 
> user mode and implement such context switch functions???
> 
> FYI - some arm926 chips do not allow accessing system registers from 
> user mode.

I think none of the ARM cores allow this. It'll be a security flaw to do 
a change to any system mode register from user-written code.

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Adam Dybkowski
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		http://dybkowski.net/