From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mx0b-001b2d01.pphosted.com ([148.163.158.5]:22160 "EHLO mx0a-001b2d01.pphosted.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1729344AbfHZQfU (ORCPT ); Mon, 26 Aug 2019 12:35:20 -0400 Received: from pps.filterd (m0098413.ppops.net [127.0.0.1]) by mx0b-001b2d01.pphosted.com (8.16.0.27/8.16.0.27) with SMTP id x7QGOc7i077164 for ; Mon, 26 Aug 2019 12:35:19 -0400 Received: from e06smtp02.uk.ibm.com (e06smtp02.uk.ibm.com [195.75.94.98]) by mx0b-001b2d01.pphosted.com with ESMTP id 2umgym5a6u-1 (version=TLSv1.2 cipher=AES256-GCM-SHA384 bits=256 verify=NOT) for ; Mon, 26 Aug 2019 12:35:19 -0400 Received: from localhost by e06smtp02.uk.ibm.com with IBM ESMTP SMTP Gateway: Authorized Use Only! Violators will be prosecuted for from ; Mon, 26 Aug 2019 17:35:17 +0100 From: Janosch Frank Subject: [kvm-unit-tests PATCH v3 1/5] s390x: Support PSW restart boot Date: Mon, 26 Aug 2019 18:34:58 +0200 In-Reply-To: <20190826163502.1298-1-frankja@linux.ibm.com> References: <20190826163502.1298-1-frankja@linux.ibm.com> Message-Id: <20190826163502.1298-2-frankja@linux.ibm.com> Sender: linux-s390-owner@vger.kernel.org List-ID: To: kvm@vger.kernel.org Cc: linux-s390@vger.kernel.org, david@redhat.com, thuth@redhat.com Add a boot PSW to PSW restart new, so we can also boot via a PSW restart. Signed-off-by: Janosch Frank Reviewed-by: Thomas Huth Reviewed-by: David Hildenbrand --- s390x/flat.lds | 14 +++++++++----- 1 file changed, 9 insertions(+), 5 deletions(-) diff --git a/s390x/flat.lds b/s390x/flat.lds index 403d967..86dffac 100644 --- a/s390x/flat.lds +++ b/s390x/flat.lds @@ -1,14 +1,18 @@ SECTIONS { - /* - * Initial short psw for disk boot, with 31 bit addressing for - * non z/Arch environment compatibility and the instruction - * address 0x10000 (cstart64.S .init). - */ .lowcore : { + /* + * Initial short psw for disk boot, with 31 bit addressing for + * non z/Arch environment compatibility and the instruction + * address 0x10000 (cstart64.S .init). + */ . = 0; LONG(0x00080000) LONG(0x80010000) + /* Restart new PSW for booting via PSW restart. */ + . = 0x1a0; + QUAD(0x0000000180000000) + QUAD(0x0000000000010000) } . = 0x10000; .text : { -- 2.17.0