Re: questions about arm trustzone

From: David Brown
Date: Tue Jan 25 2011 - 02:49:25 EST

On Mon, Jan 24 2011, sen wang wrote:

> we need to build a little os in the secure mode,and run linux in the
> normal world.but, can I use gcc to compile the special instructions like 'smc'.
> which gcc version can work? and where can i find the example code
> switching between the secure and normal worlds?

In the 2.6.38-rc2 kernel, arch/arm/mach-msm/scm.c does this. I don't
think there is any other code in the kernel, yet.


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