Re: Does Flushing the Queue after PG REALLY a Necessity?

From: Coywolf Qi Hunt
Date: Tue Feb 24 2004 - 04:19:11 EST


Randy.Dunlap wrote:

On Tue, 24 Feb 2004 10:36:07 +0800 Coywolf Qi Hunt wrote:

| Right, I also think removing the flush code is risky. Thanks very much, | chapter 18 is what i was looking for. I recalled in an old intel | booklet, named like something 386 system guide, says JMP after PG as | well as PE. But I didn't have that book at hand and didn't find any e-doc.

I guess that's the 80386 System Software Writer's Guide.
Ch. 6: Initialization.
Yes, it does JMP after setting PE and after enabling PG.
Any JMP.

Yes, it's that booklet, very thin.


| However, in 18.27.3, "The sequence bounded by the MOV and JMP | instructions should be identity" implies no JMP is also viable | practically. But we needn't to be that pedantic.
| | If no any reason for the two jumps, the code should be fixed to remains | only ONE near jump.


Btw, could you please do not show others email address when you reply? Change your mail client's configuration. I don't like my this email address be grabbed by spammers. thanks


Coywolf



--
Coywolf Qi Hunt
Admin of http://GreatCN.org and http://LoveCN.org
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