u-boot/arch/arm/cpu/armv8/spin_table_v8.S

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/* SPDX-License-Identifier: GPL-2.0+ */
/*
* Copyright (C) 2016 Socionext Inc.
* Author: Masahiro Yamada <yamada.masahiro@socionext.com>
*/
#include <linux/linkage.h>
ENTRY(spin_table_secondary_jump)
.globl spin_table_reserve_begin
spin_table_reserve_begin:
0: wfe
ldr x0, spin_table_cpu_release_addr
cbz x0, 0b
br x0
.globl spin_table_cpu_release_addr
.align 3
spin_table_cpu_release_addr:
.quad 0
.globl spin_table_reserve_end
spin_table_reserve_end:
ENDPROC(spin_table_secondary_jump)