From 6778948f9de86c3cfaf36725a7c87dcff9ba247f Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Mon, 11 Dec 2023 08:20:59 +0000
Subject: [PATCH] kernel_5.10 no rt
---
kernel/arch/arm/lib/memset.S | 47 ++++++++++++++++++++++-------------------------
1 files changed, 22 insertions(+), 25 deletions(-)
diff --git a/kernel/arch/arm/lib/memset.S b/kernel/arch/arm/lib/memset.S
index ed6d35d..6ca4535 100644
--- a/kernel/arch/arm/lib/memset.S
+++ b/kernel/arch/arm/lib/memset.S
@@ -1,11 +1,8 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
/*
* linux/arch/arm/lib/memset.S
*
* Copyright (C) 1995-2000 Russell King
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
*
* ASM optimised string functions
*/
@@ -44,20 +41,20 @@
mov lr, r3
2: subs r2, r2, #64
- stmgeia ip!, {r1, r3, r8, lr} @ 64 bytes at a time.
- stmgeia ip!, {r1, r3, r8, lr}
- stmgeia ip!, {r1, r3, r8, lr}
- stmgeia ip!, {r1, r3, r8, lr}
+ stmiage ip!, {r1, r3, r8, lr} @ 64 bytes at a time.
+ stmiage ip!, {r1, r3, r8, lr}
+ stmiage ip!, {r1, r3, r8, lr}
+ stmiage ip!, {r1, r3, r8, lr}
bgt 2b
- ldmeqfd sp!, {r8, pc} @ Now <64 bytes to go.
+ ldmfdeq sp!, {r8, pc} @ Now <64 bytes to go.
/*
* No need to correct the count; we're only testing bits from now on
*/
tst r2, #32
- stmneia ip!, {r1, r3, r8, lr}
- stmneia ip!, {r1, r3, r8, lr}
+ stmiane ip!, {r1, r3, r8, lr}
+ stmiane ip!, {r1, r3, r8, lr}
tst r2, #16
- stmneia ip!, {r1, r3, r8, lr}
+ stmiane ip!, {r1, r3, r8, lr}
ldmfd sp!, {r8, lr}
UNWIND( .fnend )
@@ -87,22 +84,22 @@
rsb r8, r8, #32
sub r2, r2, r8
movs r8, r8, lsl #(32 - 4)
- stmcsia ip!, {r4, r5, r6, r7}
- stmmiia ip!, {r4, r5}
+ stmiacs ip!, {r4, r5, r6, r7}
+ stmiami ip!, {r4, r5}
tst r8, #(1 << 30)
mov r8, r1
strne r1, [ip], #4
3: subs r2, r2, #64
- stmgeia ip!, {r1, r3-r8, lr}
- stmgeia ip!, {r1, r3-r8, lr}
+ stmiage ip!, {r1, r3-r8, lr}
+ stmiage ip!, {r1, r3-r8, lr}
bgt 3b
- ldmeqfd sp!, {r4-r8, pc}
+ ldmfdeq sp!, {r4-r8, pc}
tst r2, #32
- stmneia ip!, {r1, r3-r8, lr}
+ stmiane ip!, {r1, r3-r8, lr}
tst r2, #16
- stmneia ip!, {r4-r7}
+ stmiane ip!, {r4-r7}
ldmfd sp!, {r4-r8, lr}
UNWIND( .fnend )
@@ -110,7 +107,7 @@
UNWIND( .fnstart )
4: tst r2, #8
- stmneia ip!, {r1, r3}
+ stmiane ip!, {r1, r3}
tst r2, #4
strne r1, [ip], #4
/*
@@ -118,17 +115,17 @@
* may have an unaligned pointer as well.
*/
5: tst r2, #2
- strneb r1, [ip], #1
- strneb r1, [ip], #1
+ strbne r1, [ip], #1
+ strbne r1, [ip], #1
tst r2, #1
- strneb r1, [ip], #1
+ strbne r1, [ip], #1
ret lr
6: subs r2, r2, #4 @ 1 do we have enough
blt 5b @ 1 bytes to align with?
cmp r3, #2 @ 1
- strltb r1, [ip], #1 @ 1
- strleb r1, [ip], #1 @ 1
+ strblt r1, [ip], #1 @ 1
+ strble r1, [ip], #1 @ 1
strb r1, [ip], #1 @ 1
add r2, r2, r3 @ 1 (r2 = r2 - (4 - r3))
b 1b
--
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