lkml.org 
[lkml]   [2020]   [May]   [22]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
From
Subject[PATCH AUTOSEL 5.4 25/32] csky: Fixup msa highest 3 bits mask
Date
From: Liu Yibin <jiulong@linux.alibaba.com>

[ Upstream commit 165f2d2858013253042809df082b8df7e34e86d7 ]

Just as comment mentioned, the msa format:

cr<30/31, 15> MSA register format:
31 - 29 | 28 - 9 | 8 | 7 | 6 | 5 | 4 | 3 | 2 | 1 | 0
BA Reserved SH WA B SO SEC C D V

So we should shift 29 bits not 28 bits for mask

Signed-off-by: Liu Yibin <jiulong@linux.alibaba.com>
Signed-off-by: Guo Ren <guoren@linux.alibaba.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
arch/csky/abiv1/inc/abi/entry.h | 4 ++--
arch/csky/abiv2/inc/abi/entry.h | 4 ++--
2 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/arch/csky/abiv1/inc/abi/entry.h b/arch/csky/abiv1/inc/abi/entry.h
index 5056ebb902d1..61d94ec7dd16 100644
--- a/arch/csky/abiv1/inc/abi/entry.h
+++ b/arch/csky/abiv1/inc/abi/entry.h
@@ -167,8 +167,8 @@
* BA Reserved C D V
*/
cprcr r6, cpcr30
- lsri r6, 28
- lsli r6, 28
+ lsri r6, 29
+ lsli r6, 29
addi r6, 0xe
cpwcr r6, cpcr30

diff --git a/arch/csky/abiv2/inc/abi/entry.h b/arch/csky/abiv2/inc/abi/entry.h
index 111973c6c713..9023828ede97 100644
--- a/arch/csky/abiv2/inc/abi/entry.h
+++ b/arch/csky/abiv2/inc/abi/entry.h
@@ -225,8 +225,8 @@
*/
mfcr r6, cr<30, 15> /* Get MSA0 */
2:
- lsri r6, 28
- lsli r6, 28
+ lsri r6, 29
+ lsli r6, 29
addi r6, 0x1ce
mtcr r6, cr<30, 15> /* Set MSA0 */

--
2.25.1
\
 
 \ /
  Last update: 2020-05-22 16:52    [W:0.145 / U:9.216 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site