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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 v2 1/4] s390x: Support PSW restart boot
Date: Wed, 21 Aug 2019 12:47:33 +0200	[thread overview]
Message-ID: <20190821104736.1470-2-frankja@linux.ibm.com> (raw)
In-Reply-To: <20190821104736.1470-1-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>
---
 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:[~2019-08-21 10:48 UTC|newest]

Thread overview: 18+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-08-21 10:47 [kvm-unit-tests PATCH v2 0/4] s390x: More emulation tests Janosch Frank
2019-08-21 10:47 ` Janosch Frank [this message]
2019-08-21 13:23   ` [kvm-unit-tests PATCH v2 1/4] s390x: Support PSW restart boot David Hildenbrand
2019-08-23 10:31   ` David Hildenbrand
2019-08-21 10:47 ` [kvm-unit-tests PATCH v2 2/4] s390x: Diag288 test Janosch Frank
2019-08-23 10:30   ` Thomas Huth
2019-08-21 10:47 ` [kvm-unit-tests PATCH v2 3/4] s390x: Move stsi to library Janosch Frank
2019-08-21 13:27   ` David Hildenbrand
2019-08-23 10:34   ` Thomas Huth
2019-08-21 10:47 ` [kvm-unit-tests PATCH v2 4/4] s390x: STSI tests Janosch Frank
2019-08-23 10:57   ` Thomas Huth
2019-08-23 11:16     ` Janosch Frank
2019-08-22 11:11 ` [kvm-unit-tests PATCH] s390x: Add diag308 subcode 0 testing Janosch Frank
2019-08-23 11:00   ` David Hildenbrand
2019-08-23 11:33     ` Janosch Frank
2019-08-23 11:36       ` David Hildenbrand
2019-08-23 14:12   ` Thomas Huth
2019-08-23 14:41     ` Janosch Frank

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