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>
57 lines
693 B
ArmAsm
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)
|