Messages in this thread | | | Date | Tue, 2 Nov 1999 00:05:48 +0100 | From | Peter Steiner <> | Subject | Re: Perform minimal RAM test at boot |
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Dick Johnson wrote:
> align 2 ; Get off DWORD boundary > not [ebx] ; Invert memory byte > push eax ; Exercise the bus > pop eax > cmp eax, [ebx] ; See if it took > mov [ebx], ecx ; Put original back
Does this work even with write back L1/L2 caches? I'm using a 2-pass algorithm to make sure the data really is written back and reread.
Peter -- _ x ___ p.steiner@t-online.de (Peter Steiner) / \_/_\_ /,--' \/>'~~~~// \_____/ perl -e'while(<>){s/=\n//g;s/=([\dA-F]{2})/chr(hex($1))/eg;print;}'
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