[coreboot] v3 challenge: global variables
stepan at coresystems.de
Mon Feb 4 17:22:24 CET 2008
ron minnich wrote:
> So, this is an example of the reason for the (void *) param I was
> suggesting some time back. Such needs come up.
> One option is to have a convention that globals are at the base of the
> stack, rounded to 64k.
> e.g. %esp & 0xffff0000 is where globals live.
Let's just put the buffer to a well known address.
We're trying to add a flexibility here that is just ballast.
The buffer might need to change its position, ie when we are going from
CAR to real RAM. Who knows.
But other than that...
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