arch/arm/cpu/armv8/spin_table_v8.S

   1 /*
   2  * Copyright (C) 2016 Socionext Inc.
   3  *   Author: Masahiro Yamada <yamada.masahiro@socionext.com>
   4  *
   5  * SPDX-License-Identifier:     GPL-2.0+
   6  */
   7
   8 #include <linux/linkage.h>
   9
  10 ENTRY(spin_table_secondary_jump)
  11 .globl spin_table_reserve_begin
  12 spin_table_reserve_begin:
  13 0:      wfe
  14         ldr     x0, spin_table_cpu_release_addr
  15         cbz     x0, 0b
  16         br      x0
  17 .globl spin_table_cpu_release_addr
  18         .align  3
  19 spin_table_cpu_release_addr:
  20         .quad   0
  21 .globl spin_table_reserve_end
  22 spin_table_reserve_end:
  23 ENDPROC(spin_table_secondary_jump)