From owner-svn-src-projects@FreeBSD.ORG  Mon Jul  7 08:42:05 2014
Return-Path: <owner-svn-src-projects@FreeBSD.ORG>
Delivered-To: svn-src-projects@freebsd.org
Received: from mx1.freebsd.org (mx1.freebsd.org
 [IPv6:2001:1900:2254:206a::19:1])
 (using TLSv1 with cipher ADH-AES256-SHA (256/256 bits))
 (No client certificate requested)
 by hub.freebsd.org (Postfix) with ESMTPS id 486C4FD9;
 Mon,  7 Jul 2014 08:42:05 +0000 (UTC)
Received: from svn.freebsd.org (svn.freebsd.org
 [IPv6:2001:1900:2254:2068::e6a:0])
 (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits))
 (Client did not present a certificate)
 by mx1.freebsd.org (Postfix) with ESMTPS id 35BA12B37;
 Mon,  7 Jul 2014 08:42:05 +0000 (UTC)
Received: from svn.freebsd.org ([127.0.1.70])
 by svn.freebsd.org (8.14.8/8.14.8) with ESMTP id s678g5KX045612;
 Mon, 7 Jul 2014 08:42:05 GMT (envelope-from andrew@svn.freebsd.org)
Received: (from andrew@localhost)
 by svn.freebsd.org (8.14.8/8.14.8/Submit) id s678g5L0045611;
 Mon, 7 Jul 2014 08:42:05 GMT (envelope-from andrew@svn.freebsd.org)
Message-Id: <201407070842.s678g5L0045611@svn.freebsd.org>
From: Andrew Turner <andrew@FreeBSD.org>
Date: Mon, 7 Jul 2014 08:42:05 +0000 (UTC)
To: src-committers@freebsd.org, svn-src-projects@freebsd.org
Subject: svn commit: r268360 - projects/arm64/sys/arm64/arm64
X-SVN-Group: projects
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
X-BeenThere: svn-src-projects@freebsd.org
X-Mailman-Version: 2.1.18
Precedence: list
List-Id: "SVN commit messages for the src &quot; projects&quot;
 tree" <svn-src-projects.freebsd.org>
List-Unsubscribe: <http://lists.freebsd.org/mailman/options/svn-src-projects>, 
 <mailto:svn-src-projects-request@freebsd.org?subject=unsubscribe>
List-Archive: <http://lists.freebsd.org/pipermail/svn-src-projects/>
List-Post: <mailto:svn-src-projects@freebsd.org>
List-Help: <mailto:svn-src-projects-request@freebsd.org?subject=help>
List-Subscribe: <http://lists.freebsd.org/mailman/listinfo/svn-src-projects>, 
 <mailto:svn-src-projects-request@freebsd.org?subject=subscribe>
X-List-Received-Date: Mon, 07 Jul 2014 08:42:05 -0000

Author: andrew
Date: Mon Jul  7 08:42:04 2014
New Revision: 268360
URL: http://svnweb.freebsd.org/changeset/base/268360

Log:
  Implement copystr in C. With this I can get to the mountroot prompt.

Modified:
  projects/arm64/sys/arm64/arm64/copystr.c

Modified: projects/arm64/sys/arm64/arm64/copystr.c
==============================================================================
--- projects/arm64/sys/arm64/arm64/copystr.c	Mon Jul  7 08:22:39 2014	(r268359)
+++ projects/arm64/sys/arm64/arm64/copystr.c	Mon Jul  7 08:42:04 2014	(r268360)
@@ -35,7 +35,25 @@ int
 copystr(const void * __restrict kfaddr, void * __restrict kdaddr, size_t len,
     size_t * __restrict lencopied)
 {
+	const char *src;
+	size_t pos;
+	char *dst;
+	int error;
 
-	panic("copystr");
+	error = ENAMETOOLONG;
+	src = kfaddr;
+	dst = kdaddr;
+	for (pos = 0; pos < len; pos++) {
+		dst[pos] = src[pos];
+		if (src[pos] == '\0') {
+			error = 0;
+			break;
+		}
+	}
+
+	if (lencopied != NULL)
+		*lencopied = pos;
+
+	return (0);
 }