swh:1:snp:49cd9498d6cccc5e78252c27dcb645bcf7bf0c91
- v6.1-rc6
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- v5.2
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- v5.17
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- v5.15-rc5
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- v5.15
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- v5.14
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- v5.13-rc5
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- v5.13
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- v5.12
- v5.11-rc7
- v5.11-rc6
- v5.11-rc5
- v5.11-rc4
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- v5.11
- v5.10-rc7
- v5.10-rc6
- v5.10-rc5
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- v5.10
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- v5.1-rc6
- v5.1-rc5
- v5.1-rc4
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- v5.1-rc2
- v5.1-rc1
- v5.1
- v5.0-rc8
- v5.0-rc7
- v5.0-rc6
- v5.0-rc5
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- v5.0-rc3
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- v5.0
- v4.9-rc8
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- v4.9-rc6
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- v4.9
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- v4.8-rc6
- v4.8-rc5
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- v4.8
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- v4.7
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- v4.6-rc6
- v4.6-rc5
- v4.6-rc4
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- v4.6
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- v4.5
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- v4.4
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- v4.3
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- v4.20
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- v4.17-rc5
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- v4.17-rc2
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- v4.17
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- v4.16-rc5
- v4.16-rc4
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- v4.16
- v4.15-rc9
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- v4.15
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- v4.14-rc6
- v4.14-rc5
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- v4.14
- v4.13-rc7
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- v4.13-rc5
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- v4.13-rc2
- v4.13-rc1
- v4.13
- v4.12-rc7
- v4.12-rc6
- v4.12-rc5
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- v4.12
- v4.11-rc8
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- v4.11-rc6
- v4.11-rc5
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- v4.11
- v4.10-rc8
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- v4.10-rc6
- v4.10-rc5
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- v4.10-rc2
- v4.10-rc1
- v4.10
- v4.1-rc8
- v4.1-rc7
- v4.1-rc6
- v4.1-rc5
- v4.1-rc4
- v4.1-rc3
- v4.1-rc2
- v4.1-rc1
- v4.1
- v4.0-rc7
- v4.0-rc6
- v4.0-rc5
- v4.0-rc4
- v4.0-rc3
- v4.0-rc2
- v4.0-rc1
- v4.0
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- v3.9-rc6
- v3.9-rc5
- v3.9-rc4
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- v3.9-rc1
- v3.9
- v3.8-rc7
- v3.8-rc6
- v3.8-rc5
- v3.8-rc4
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- v3.8-rc2
- v3.8-rc1
- v3.8
- v3.7-rc8
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- v3.7-rc6
- v3.7-rc5
- v3.7-rc4
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- v3.7-rc1
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- v3.6-rc6
- v3.6-rc5
- v3.6-rc4
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- v2.6.23-rc9
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Tip revision: 8fe28cb58bcb235034b64cbbb7550a8a43fd88be authored by Linus Torvalds on 23 December 2018, 23:55:59 UTC
Linux 4.20
Linux 4.20
Tip revision: 8fe28cb
io-readsl.S
/*
* linux/arch/arm/lib/io-readsl.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.
*/
#include <linux/linkage.h>
#include <asm/assembler.h>
ENTRY(__raw_readsl)
teq r2, #0 @ do we have to check for the zero len?
reteq lr
ands ip, r1, #3
bne 3f
subs r2, r2, #4
bmi 2f
stmfd sp!, {r4, lr}
1: ldr r3, [r0, #0]
ldr r4, [r0, #0]
ldr ip, [r0, #0]
ldr lr, [r0, #0]
subs r2, r2, #4
stmia r1!, {r3, r4, ip, lr}
bpl 1b
ldmfd sp!, {r4, lr}
2: movs r2, r2, lsl #31
ldrcs r3, [r0, #0]
ldrcs ip, [r0, #0]
stmcsia r1!, {r3, ip}
ldrne r3, [r0, #0]
strne r3, [r1, #0]
ret lr
3: ldr r3, [r0]
cmp ip, #2
mov ip, r3, get_byte_0
strb ip, [r1], #1
bgt 6f
mov ip, r3, get_byte_1
strb ip, [r1], #1
beq 5f
mov ip, r3, get_byte_2
strb ip, [r1], #1
4: subs r2, r2, #1
mov ip, r3, lspull #24
ldrne r3, [r0]
orrne ip, ip, r3, lspush #8
strne ip, [r1], #4
bne 4b
b 8f
5: subs r2, r2, #1
mov ip, r3, lspull #16
ldrne r3, [r0]
orrne ip, ip, r3, lspush #16
strne ip, [r1], #4
bne 5b
b 7f
6: subs r2, r2, #1
mov ip, r3, lspull #8
ldrne r3, [r0]
orrne ip, ip, r3, lspush #24
strne ip, [r1], #4
bne 6b
mov r3, ip, get_byte_2
strb r3, [r1, #2]
7: mov r3, ip, get_byte_1
strb r3, [r1, #1]
8: mov r3, ip, get_byte_0
strb r3, [r1, #0]
ret lr
ENDPROC(__raw_readsl)