Date: Wed, 22 Nov 2000 07:47:03 +0000 (GMT) From: Doug Rabson <dfr@nlsystems.com> To: John Baldwin <jhb@freebsd.org> Cc: Daniel Eischen <eischen@vigrid.com>, Jonathan Lemon <jlemon@flugsvamp.com>, arch@freebsd.org Subject: Re: Thread-specific data and KSEs Message-ID: <Pine.BSF.4.21.0011220745130.247-100000@salmon.nlsystems.com> In-Reply-To: <XFMail.001121171923.jhb@FreeBSD.org>
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On Tue, 21 Nov 2000, John Baldwin wrote: > Well, %gs would cover x86 and k64. I think ia64 has several application > registers that are available for OS use and we could steal one of those. I'm > not sure about the alpha though. On ia64, we already use r13 (defined by the ABI as the 'thread pointer') to point at per-cpu locals. In user-mode, r13 should also be reserved. -- Doug Rabson Mail: dfr@nlsystems.com Phone: +44 20 8348 6160 To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-arch" in the body of the message
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