From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mx0b-001b2d01.pphosted.com ([148.163.158.5]:16022 "EHLO mx0a-001b2d01.pphosted.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1729118AbfLKL7i (ORCPT ); Wed, 11 Dec 2019 06:59:38 -0500 Received: from pps.filterd (m0098421.ppops.net [127.0.0.1]) by mx0a-001b2d01.pphosted.com (8.16.0.42/8.16.0.42) with SMTP id xBBBqIQ3014306 for ; Wed, 11 Dec 2019 06:59:37 -0500 Received: from e06smtp07.uk.ibm.com (e06smtp07.uk.ibm.com [195.75.94.103]) by mx0a-001b2d01.pphosted.com with ESMTP id 2wtdp48us9-1 (version=TLSv1.2 cipher=AES256-GCM-SHA384 bits=256 verify=NOT) for ; Wed, 11 Dec 2019 06:59:36 -0500 Received: from localhost by e06smtp07.uk.ibm.com with IBM ESMTP SMTP Gateway: Authorized Use Only! Violators will be prosecuted for from ; Wed, 11 Dec 2019 11:59:35 -0000 From: Janosch Frank Subject: [kvm-unit-tests PATCH 2/2] s390x: smp: Setup CRs from cpu 0 Date: Wed, 11 Dec 2019 06:59:23 -0500 In-Reply-To: <20191211115923.9191-1-frankja@linux.ibm.com> References: <20191211115923.9191-1-frankja@linux.ibm.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Message-Id: <20191211115923.9191-3-frankja@linux.ibm.com> Sender: linux-s390-owner@vger.kernel.org List-ID: To: kvm@vger.kernel.org Cc: thuth@redhat.com, david@redhat.com, linux-s390@vger.kernel.org Grab the CRs (currently only 0, 1, 7, 13) from cpu 0, so we can bringup the new cpu in DAT mode or set other control options. Signed-off-by: Janosch Frank --- lib/s390x/smp.c | 5 ++++- s390x/cstart64.S | 2 +- 2 files changed, 5 insertions(+), 2 deletions(-) diff --git a/lib/s390x/smp.c b/lib/s390x/smp.c index e17751a..4dfe7c6 100644 --- a/lib/s390x/smp.c +++ b/lib/s390x/smp.c @@ -191,7 +191,10 @@ int smp_cpu_setup(uint16_t addr, struct psw psw) cpu->lowcore->sw_int_grs[15] = (uint64_t)cpu->stack + (PAGE_SIZE * 4); lc->restart_new_psw.mask = 0x0000000180000000UL; lc->restart_new_psw.addr = (uint64_t)smp_cpu_setup_state; - lc->sw_int_crs[0] = 0x0000000000040000UL; + lc->sw_int_crs[0] = stctg(0); + lc->sw_int_crs[1] = stctg(1); + lc->sw_int_crs[7] = stctg(7); + lc->sw_int_crs[13] = stctg(13); /* Start processing */ rc = sigp_retry(cpu->addr, SIGP_RESTART, 0, NULL); diff --git a/s390x/cstart64.S b/s390x/cstart64.S index e6a6bdb..399ae9b 100644 --- a/s390x/cstart64.S +++ b/s390x/cstart64.S @@ -158,7 +158,7 @@ diag308_load_reset: smp_cpu_setup_state: xgr %r1, %r1 lmg %r0, %r15, GEN_LC_SW_INT_GRS - lctlg %c0, %c0, GEN_LC_SW_INT_CRS + lctlg %c0, %c15, GEN_LC_SW_INT_CRS lpswe GEN_LC_SW_INT_PSW pgm_int: -- 2.20.1