On Thu, Oct 16, 2008 at 1:25 PM, ron minnich <[EMAIL PROTECTED]> wrote:
> On Thu, Oct 16, 2008 at 12:19 PM, Marc Jones <[EMAIL PROTECTED]> wrote: > > > AH! I see. We shouldn't be running out of the ROM. That will be slow. We > > should copy the VGA BIOS to real memory and run it there. > > > > Why are you doing ROM init in stage0? I thought this was well into > stage2. > > > > So, safety tip: we can't call ANY ROM in stage2 when we're running > doing ROM init. > > And I just realized the problem: we're calling printk and printk is in ROM. > > no printks allowed in pcibios.c unless we move printk to RAM, i.e. > compile printk into stage2. > > What a revolting development this is! Our beautiful "common code in > ROM" idea is going down in flames. > Can we make it cached? Myles
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