From patchwork Sat Jan 19 23:20:59 2013 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Laurent Vivier X-Patchwork-Id: 213886 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Received: from lists.gnu.org (lists.gnu.org [208.118.235.17]) (using TLSv1 with cipher AES256-SHA (256/256 bits)) (Client did not present a certificate) by ozlabs.org (Postfix) with ESMTPS id B36252C0086 for ; Sun, 20 Jan 2013 10:21:38 +1100 (EST) Received: from localhost ([::1]:59211 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1TwhjE-0003lJ-B4 for incoming@patchwork.ozlabs.org; Sat, 19 Jan 2013 18:21:36 -0500 Received: from eggs.gnu.org ([208.118.235.92]:45856) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1Twhj3-0003l3-AV for qemu-devel@nongnu.org; Sat, 19 Jan 2013 18:21:27 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1Twhj2-0004VD-27 for qemu-devel@nongnu.org; Sat, 19 Jan 2013 18:21:25 -0500 Received: from smtp6-g21.free.fr ([2a01:e0c:1:1599::15]:36640) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1Twhj1-0004Ua-Fg for qemu-devel@nongnu.org; Sat, 19 Jan 2013 18:21:24 -0500 Received: from localhost.localdomain (unknown [78.238.229.36]) by smtp6-g21.free.fr (Postfix) with ESMTP id 43E5D82211; Sun, 20 Jan 2013 00:21:18 +0100 (CET) From: Laurent Vivier To: =?UTF-8?q?Andreas=20F=C3=A4rber?= Date: Sun, 20 Jan 2013 00:20:59 +0100 Message-Id: <1358637660-8625-2-git-send-email-laurent@vivier.eu> X-Mailer: git-send-email 1.7.10.4 In-Reply-To: <1358637660-8625-1-git-send-email-laurent@vivier.eu> References: <1358199410-19033-1-git-send-email-laurent@vivier.eu> <1358637660-8625-1-git-send-email-laurent@vivier.eu> X-detected-operating-system: by eggs.gnu.org: Error: Malformed IPv6 address (bad octet value). X-Received-From: 2a01:e0c:1:1599::15 Cc: Laurent Vivier , Riku Voipio , qemu-devel@nongnu.org, Alexander Graf Subject: [Qemu-devel] [PATCH 2/3] scripts: define qemu-update-binfmt X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.14 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Sender: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org qemu-update-binfmt uses update-binfmts to set qemu as an ELF interpreter for a given cpu type. Signed-off-by: Laurent Vivier --- scripts/qemu-update-binfmt | 59 ++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 59 insertions(+) create mode 100755 scripts/qemu-update-binfmt diff --git a/scripts/qemu-update-binfmt b/scripts/qemu-update-binfmt new file mode 100755 index 0000000..eddcf89 --- /dev/null +++ b/scripts/qemu-update-binfmt @@ -0,0 +1,59 @@ +#!/bin/sh + +if [ ! -f /usr/sbin/update-binfmts ] ; then + echo "ERROR: this scripts needs update-binfmts" 1>&2 + exit 1 +fi + +MAGIC=$(dirname $(readlink -f "$0"))/binfmts-magic + +if [ ! -e "$MAGIC" ] ; then + echo "ERROR: file $MAGIC is missing !" 1>&2 + exit 1 +fi + +. "$MAGIC" + +# interpreter to install + +cpu="$1" +if [ "$cpu" = "" ] ; then + echo "ERROR: you need to specify the cpu target" 1>&2 + echo " available targets are:" 1>&2 + for target in $qemu_target_list ; do + echo " $target " 1>&2 + done + exit 1 +fi + +# interpreter path + +QEMU_PATH="$2" +if [ "$QEMU_PATH" = "" ] ; then + QEMU_PATH=/usr/local/bin +fi + +# probe cpu type + +host_family=$(qemu_get_family) + +magic=$(eval echo \$${cpu}_magic) +mask=$(eval echo \$${cpu}_mask) +family=$(eval echo \$${cpu}_family) + +if [ "$magic" = "" -o "$mask" = "" -o "$family" = "" ] ; then + echo "INTERNAL ERROR: unknown cpu $cpu" 1>&2 + exit 1 +fi + +if [ "$host_family" = "$family" ] ; then + echo "WARNING: don't install interpreter for current cpu !" 1>&2 + exit 0 +fi + +qemu="$QEMU_PATH/qemu-$cpu" +if [ "$cpu" = "i486" ] ; then + qemu="$QEMU_PATH/qemu-i386" +fi + +update-binfmts --install $cpu ${qemu} --magic $magic --mask $mask