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From: Janosch Frank <frankja@linux.ibm.com>
To: kvm@vger.kernel.org
Cc: linux-s390@vger.kernel.org, david@redhat.com, thuth@redhat.com
Subject: [kvm-unit-tests PATCH v3 1/5] s390x: Support PSW restart boot
Date: Mon, 26 Aug 2019 18:34:58 +0200	[thread overview]
Message-ID: <20190826163502.1298-2-frankja@linux.ibm.com> (raw)
In-Reply-To: <20190826163502.1298-1-frankja@linux.ibm.com>

Add a boot PSW to PSW restart new, so we can also boot via a PSW
restart.

Signed-off-by: Janosch Frank <frankja@linux.ibm.com>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Reviewed-by: David Hildenbrand <david@redhat.com>
---
 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


  reply	other threads:[~2019-08-26 16:35 UTC|newest]

Thread overview: 13+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-08-26 16:34 [kvm-unit-tests PATCH v3 0/5] s390x: More emulation tests Janosch Frank
2019-08-26 16:34 ` Janosch Frank [this message]
2019-08-26 16:34 ` [kvm-unit-tests PATCH v3 2/5] s390x: Diag288 test Janosch Frank
2019-08-26 17:14   ` Thomas Huth
2019-08-27  7:46     ` [kvm-unit-tests PATCH] " Janosch Frank
2019-08-27 10:29       ` Thomas Huth
2019-08-26 16:35 ` [kvm-unit-tests PATCH v3 3/5] s390x: Move stsi to library Janosch Frank
2019-08-26 16:35 ` [kvm-unit-tests PATCH v3 4/5] s390x: STSI tests Janosch Frank
2019-08-30 12:07   ` David Hildenbrand
2019-09-03 10:53     ` Janosch Frank
2019-09-03 10:57       ` David Hildenbrand
2019-09-03 10:58       ` Thomas Huth
2019-08-26 16:35 ` [kvm-unit-tests PATCH v3 5/5] s390x: Add diag308 subcode 0 testing Janosch Frank

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