From: Helge Deller <deller@gmx.de>
To: linux-parisc@vger.kernel.org,
James Bottomley <James.Bottomley@HansenPartnership.com>,
John David Anglin <dave.anglin@bell.net>
Subject: [PATCH] parisc: Don't hardcode PSW values in hpmc code
Date: Thu, 8 Jun 2017 22:11:00 +0200 [thread overview]
Message-ID: <20170608201100.GA26104@p100.box> (raw)
Signed-off-by: Helge Deller <deller@gmx.de>
diff --git a/arch/parisc/kernel/hpmc.S b/arch/parisc/kernel/hpmc.S
index 0fbd0a0..e3a8e5e 100644
--- a/arch/parisc/kernel/hpmc.S
+++ b/arch/parisc/kernel/hpmc.S
@@ -44,6 +44,7 @@
#include <asm/assembly.h>
#include <asm/pdc.h>
+#include <asm/psw.h>
#include <linux/linkage.h>
#include <linux/init.h>
@@ -135,7 +136,7 @@ ENTRY_CFI(os_hpmc)
* So turn on the Q bit and turn off the M bit.
*/
- ldo 8(%r0),%r4 /* PSW Q on, PSW M off */
+ ldi PSW_SM_Q,%r4 /* PSW Q on, PSW M off */
mtctl %r4,ipsw
mtctl %r0,pcsq
mtctl %r0,pcsq
@@ -257,7 +258,7 @@ os_hpmc_5:
tovirt_r1 %r30 /* make sp virtual */
- rsm 8,%r0 /* Clear Q bit */
+ rsm PSW_SM_Q,%r0 /* Clear Q bit */
ldi 1,%r8 /* Set trap code to "1" for HPMC */
load32 PA(intr_save),%r1
be 0(%sr7,%r1)
reply other threads:[~2017-06-08 20:11 UTC|newest]
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