0a3d4e0ca0
This also drops individual copyright notices, all mentioned authors in that part of the tree are already listed in AUTHORS. Change-Id: Ic5eddc961d015328e5a90994b7963e7af83cddd3 Signed-off-by: Patrick Georgi <pgeorgi@google.com> Reviewed-on: https://review.coreboot.org/c/coreboot/+/39279 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net> Reviewed-by: HAOUAS Elyes <ehaouas@noos.fr> Reviewed-by: Angel Pons <th3fanbus@gmail.com>
40 lines
655 B
ArmAsm
40 lines
655 B
ArmAsm
/* SPDX-License-Identifier: GPL-2.0-only */
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/* This file is part of the coreboot project. */
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#include <arch/asm.h>
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/*
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* Fill in the buffer with character c (alignment handled by the hardware)
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*
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* Parameters:
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* x0 - buf
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* x1 - c
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* x2 - n
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* Returns:
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* x0 - buf
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*/
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ENTRY(memset)
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mov x4, x0
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and w1, w1, #0xff
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orr w1, w1, w1, lsl #8
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orr w1, w1, w1, lsl #16
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orr x1, x1, x1, lsl #32
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subs x2, x2, #8
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b.mi 2f
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1: str x1, [x4], #8
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subs x2, x2, #8
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b.pl 1b
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2: adds x2, x2, #4
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b.mi 3f
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sub x2, x2, #4
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str w1, [x4], #4
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3: adds x2, x2, #2
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b.mi 4f
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sub x2, x2, #2
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strh w1, [x4], #2
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4: adds x2, x2, #1
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b.mi 5f
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strb w1, [x4]
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5: ret
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ENDPROC(memset)
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