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Re: Re: [f-cpu] optional SRB



hi !

>cedric wrote:
>
>> That's not the problem, the problem is how did
>> you preserve all your registers ?
>
>Why not do the dumb stupid thing and reserve both
>registers and memory pointers for IRQ's. Only during
>a interupt service call can you read/write them.
>One advantage of fixed memory for system traps and
>irq's is you don'y have to worry about page faults
>or even a mmu.

Why ? because, as you wrote, it's dumb.
it works well for one architecture or version,
but then it becomes difficult to make it evolve...

>Ben.

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