LXR linux/arch/arm64/include/asm/scs.h

   1/* SPDX-License-Identifier: GPL-2.0 */
   2#ifndef _ASM_SCS_H
   3#define _ASM_SCS_H
   4
   5#ifdef __ASSEMBLY__
   6
   7#include <asm/asm-offsets.h>
   8
   9#ifdef CONFIG_SHADOW_CALL_STACK
  10        scs_sp  .req    x18
  11
  12        .macro scs_load tsk
  13        ldr     scs_sp, [\tsk, #TSK_TI_SCS_SP]
  14        .endm
  15
  16        .macro scs_save tsk
  17        str     scs_sp, [\tsk, #TSK_TI_SCS_SP]
  18        .endm
  19#else
  20        .macro scs_load tsk
  21        .endm
  22
  23        .macro scs_save tsk
  24        .endm
  25#endif /* CONFIG_SHADOW_CALL_STACK */
  26
  27#endif /* __ASSEMBLY __ */
  28
  29#endif /* _ASM_SCS_H */
  30