Date: Mon, 27 Nov 2000 17:31:05 -0800 From: Jake Burkholder <jburkhol@home.com> To: Michael Williams <michaelw@IPRG.nokia.com> Cc: smp@FreeBSD.ORG Subject: Re: BSD/OS interrupt code Message-ID: <20001128013105.1A217BA78@io.yi.org> In-Reply-To: Message from Michael Williams <michaelw@IPRG.nokia.com> of "Mon, 27 Nov 2000 17:17:37 PST." <3A2307B1.A2715334@iprg.nokia.com>
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> One application Solaris has for this "trick" of building handlers on the fly, is > to install debugging/verbose handlers dynamically, especially where the initial > handlers do some vectoring (small branches) before jumping off to do hard work. > The miss handlers do this for example. > > As far as which instruction format is "simple", I'm curious, why do you suggest > x86 as an example? > I just meant that everything is on a byte boundary, so poking in the arguments is relatively easy. No shifting or masking is required and you can fit a full virtual address in one piece in the instruction stream. To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-smp" in the body of the message
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