Files
cubelinux-kernel/arch/alpha/lib/ev6-clear_page.S
T
Greg Kroah-Hartman 598cf27219 Linux 6.19.3
Link: https://lore.kernel.org/r/20260217200002.683975158@linuxfoundation.org
Tested-by: Florian Fainelli <florian.fainelli@broadcom.com>
Tested-by: Takeshi Ogasawara <takeshi.ogasawara@futuring-girl.com>
Tested-by: Peter Schneider <pschneider1968@googlemail.com>
Tested-by: Jon Hunter <jonathanh@nvidia.com>
Tested-by: Salvatore Bonaccorso <carnil@debian.org>
Tested-by: Brett A C Sheffield <bacs@librecast.net>
Tested-by: Mark Brown <broonie@kernel.org>
Tested-by: Luna Jernberg <droidbittin@gmail.com>
Tested-by: Ronald Warsow <rwarsow@gmx.de>
Tested-by: Justin M. Forbes <jforbes@fedoraproject.org>
Tested-by: Ron Economos <re@w6rz.net>
Tested-by: Miguel Ojeda <ojeda@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2026-02-19 16:33:27 +01:00

57 lines
693 B
ArmAsm

/* SPDX-License-Identifier: GPL-2.0 */
/*
* arch/alpha/lib/ev6-clear_page.S
*
* Zero an entire page.
*/
#include <linux/export.h>
.text
.align 4
.global clear_page
.ent clear_page
clear_page:
.prologue 0
lda $0,128
lda $1,125
addq $16,64,$2
addq $16,128,$3
addq $16,192,$17
wh64 ($16)
wh64 ($2)
wh64 ($3)
1: wh64 ($17)
stq $31,0($16)
subq $0,1,$0
subq $1,1,$1
stq $31,8($16)
stq $31,16($16)
addq $17,64,$2
nop
stq $31,24($16)
stq $31,32($16)
cmovgt $1,$2,$17
nop
stq $31,40($16)
stq $31,48($16)
nop
nop
stq $31,56($16)
addq $16,64,$16
nop
bne $0,1b
ret
nop
nop
nop
.end clear_page
EXPORT_SYMBOL(clear_page)