Re: [microblaze-uclinux] [patch test] syscall interface cleanup

[Yasushi SHOJI <yashi@xxxxxxxxxxxxxxxxx>]

Hi John,

At Fri, 15 Oct 2004 10:58:56 +1000,
John Williams wrote:
[...]
> Microblaze has a dedicated "break" instruction - brki - which is much 
> preferred over branch, because it is the closest thing we have to a real 
> "kernel trap" instruction.  In particular, it sets a bit in the flags 
> register (BIP - break in progress) that masks interrupts.  This supports 
> a cleaner approach in the kernel system call entry point.

I thought "break" inst. is for debugger.  I haven't look at you patch
just yet, but does it work for both trap _and_ break?

regards,
--
            yashi
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