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Violators will be prosecuted; Tue, 20 Mar 2018 14:52:56 -0600 Received: from b03ledav004.gho.boulder.ibm.com (b03ledav004.gho.boulder.ibm.com [9.17.130.235]) by b03cxnp08026.gho.boulder.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id w2KKqu5U10944948; Tue, 20 Mar 2018 13:52:56 -0700 Received: from b03ledav004.gho.boulder.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 246AA78037; Tue, 20 Mar 2018 14:52:56 -0600 (MDT) Received: from sbct-3.watson.ibm.com (unknown [9.47.158.153]) by b03ledav004.gho.boulder.ibm.com (Postfix) with ESMTP id CC45D78041; Tue, 20 Mar 2018 14:52:55 -0600 (MDT) From: Stefan Berger To: qemu-devel@nongnu.org Date: Tue, 20 Mar 2018 16:52:49 -0400 X-Mailer: git-send-email 2.5.5 In-Reply-To: <1521579171-26213-1-git-send-email-stefanb@linux.vnet.ibm.com> References: <1521579171-26213-1-git-send-email-stefanb@linux.vnet.ibm.com> X-TM-AS-GCONF: 00 x-cbid: 18032020-0020-0000-0000-00000D9E1254 X-IBM-SpamModules-Scores: X-IBM-SpamModules-Versions: BY=3.00008711; HX=3.00000241; KW=3.00000007; PH=3.00000004; SC=3.00000254; SDB=6.01005953; UDB=6.00512167; IPR=6.00785236; MB=3.00020150; MTD=3.00000008; XFM=3.00000015; UTC=2018-03-20 20:52:58 X-IBM-AV-DETECTION: SAVI=unused REMOTE=unused XFE=unused x-cbparentid: 18032020-0021-0000-0000-00006092650E Message-Id: <1521579171-26213-3-git-send-email-stefanb@linux.vnet.ibm.com> X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10432:, , definitions=2018-03-20_09:, , signatures=0 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 priorityscore=1501 malwarescore=0 suspectscore=1 phishscore=0 bulkscore=0 spamscore=0 clxscore=1015 lowpriorityscore=0 impostorscore=0 adultscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.0.1-1709140000 definitions=main-1803200230 X-detected-operating-system: by eggs.gnu.org: GNU/Linux 3.x [generic] [fuzzy] X-Received-From: 148.163.158.5 Subject: [Qemu-devel] [PATCH v2 2/4] tpm: CRB: set registers to 0 by default X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: marcandre.lureau@redhat.com, Stefan Berger Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Sender: "Qemu-devel" Initialize all registers of the CRB device to 0. This clears a few flags upon a reset. Signed-off-by: Stefan Berger --- hw/tpm/tpm_crb.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/hw/tpm/tpm_crb.c b/hw/tpm/tpm_crb.c index 114b66e..4bd76b5 100644 --- a/hw/tpm/tpm_crb.c +++ b/hw/tpm/tpm_crb.c @@ -208,6 +208,8 @@ static void tpm_crb_reset(void *dev) tpm_backend_reset(s->tpmbe); + memset(s->regs, 0, sizeof(s->regs)); + ARRAY_FIELD_DP32(s->regs, CRB_LOC_STATE, tpmRegValidSts, 1); ARRAY_FIELD_DP32(s->regs, CRB_INTF_ID,