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_ */