Line data    Source code

       1            0 : /*
       2              :  * Copyright (c) 2023 Arm Limited (or its affiliates). All rights reserved.
       3              :  * SPDX-License-Identifier: Apache-2.0
       4              :  */
       5              : 
       6              : #ifndef ZEPHYR_INCLUDE_ARM_STRUCTS_H_
       7              : #define ZEPHYR_INCLUDE_ARM_STRUCTS_H_
       8              : 
       9              : #include <zephyr/types.h>
      10              : 
      11              : #if defined(CONFIG_CPU_AARCH32_CORTEX_A) || defined(CONFIG_CPU_AARCH32_CORTEX_R)
      12              : /* Per CPU architecture specifics */
      13              : struct _cpu_arch {
      14              :         int8_t exc_depth;
      15              : };
      16              : 
      17              : #else
      18              : 
      19              : /* Default definitions when no architecture specific definitions exist. */
      20              : 
      21              : /* Per CPU architecture specifics (empty) */
      22              : struct _cpu_arch {
      23              : #ifdef __cplusplus
      24              :         /* This struct will have a size 0 in C which is not allowed in C++ (it'll have a size 1). To
      25              :          * prevent this, we add a 1 byte dummy variable.
      26              :          */
      27              :         uint8_t dummy;
      28              : #endif
      29              : };
      30              : 
      31              : #endif
      32              : 
      33              : #endif /* ZEPHYR_INCLUDE_ARM_STRUCTS_H_ */