[coreboot] r964 - coreboot-v3/util/x86emu

Marc Jones marc.jones at amd.com
Thu Oct 30 02:51:19 CET 2008

Carl-Daniel Hailfinger wrote:
> We already have graphics cards with 2 GB RAM, so anything above 2 GB is
> unreachable during sizing. For a graphics card with 4 GB RAM, every
> single freaking 32bit location will be inaccessible. That means it it
> totally irrelevant whether you unshare or not, the machine will simply fail.
The framebuffer size or location doesn't matter. The vbios is running in 
real mode so it can't access that memory either. The issue is that the 
framebuffer sizing by the vbios causes the subtractive decode path to be 
rerouted and the code can no longer be fetched.


Marc Jones
Senior Firmware Engineer
(970) 226-9684 Office
mailto:Marc.Jones at amd.com

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