From owner-freebsd-amd64@FreeBSD.ORG Fri Mar 25 13:05:53 2005 Return-Path: Delivered-To: freebsd-amd64@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 87FA716A4CE for ; Fri, 25 Mar 2005 13:05:53 +0000 (GMT) Received: from rproxy.gmail.com (rproxy.gmail.com [64.233.170.204]) by mx1.FreeBSD.org (Postfix) with ESMTP id 31AF743D2F for ; Fri, 25 Mar 2005 13:05:53 +0000 (GMT) (envelope-from joseph.koshy@gmail.com) Received: by rproxy.gmail.com with SMTP id z35so1073421rne for ; Fri, 25 Mar 2005 05:05:52 -0800 (PST) DomainKey-Signature: a=rsa-sha1; q=dns; c=nofws; s=beta; d=gmail.com; h=received:message-id:date:from:reply-to:to:subject:cc:in-reply-to:mime-version:content-type:content-transfer-encoding:references; b=iwRSOA9+9Nc2P17/xfGmBWoKYxlM/8iubZyrOus1cYDJ+31oueavIqKMsGSMHfx5V4doJUWJMOftGGYmJfean4C/LMES7TScgXVkQz/YRROhBpHN/W1CApXwFK/ACV01HPH6sL8OFLoEjaWzgfed/5XyAZuAHdwYJ3HydEwAcjk= Received: by 10.38.75.80 with SMTP id x80mr2501848rna; Fri, 25 Mar 2005 05:05:52 -0800 (PST) Received: by 10.38.209.22 with HTTP; Fri, 25 Mar 2005 05:05:52 -0800 (PST) Message-ID: <84dead7205032505051c1eb879@mail.gmail.com> Date: Fri, 25 Mar 2005 13:05:52 +0000 From: Joseph Koshy To: Petri Helenius In-Reply-To: <4243D111.1020904@he.iki.fi> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit References: <4243D111.1020904@he.iki.fi> cc: freebsd-amd64@freebsd.org Subject: Re: syscall sysret X-BeenThere: freebsd-amd64@freebsd.org X-Mailman-Version: 2.1.1 Precedence: list Reply-To: Joseph Koshy List-Id: Porting FreeBSD to the AMD64 platform List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 25 Mar 2005 13:05:53 -0000 > Does amd64 freebsd always utilize syscall / sysret opcodes? See: src/lib/libc/amd64/SYS.h ... 66 #define KERNCALL movq %rcx, %r10; syscall ... So the answer appears to be yes for native binaries. -- FreeBSD Volunteer, http://people.freebsd.org/~jkoshy