Line data    Source code

       1           1 : /*
       2             :  * Copyright (c) 2017 Intel Corporation
       3             :  *
       4             :  * SPDX-License-Identifier: Apache-2.0
       5             :  */
       6             : 
       7             : /**
       8             :  * @file
       9             :  * @brief Per-arch thread definition
      10             :  *
      11             :  * This file contains definitions for
      12             :  *
      13             :  *  struct _thread_arch
      14             :  *  struct _callee_saved
      15             :  *
      16             :  * necessary to instantiate instances of struct k_thread.
      17             :  */
      18             : 
      19             : #ifndef ZEPHYR_INCLUDE_ARCH_NIOS2_THREAD_H_
      20             : #define ZEPHYR_INCLUDE_ARCH_NIOS2_THREAD_H_
      21             : 
      22             : #ifndef _ASMLANGUAGE
      23             : #include <zephyr/types.h>
      24             : 
      25             : struct _callee_saved {
      26             :         /* General purpose callee-saved registers */
      27             :         uint32_t r16;
      28             :         uint32_t r17;
      29             :         uint32_t r18;
      30             :         uint32_t r19;
      31             :         uint32_t r20;
      32             :         uint32_t r21;
      33             :         uint32_t r22;
      34             :         uint32_t r23;
      35             : 
      36             :          /* Normally used for the frame pointer but also a general purpose
      37             :           * register if frame pointers omitted
      38             :           */
      39             :         uint32_t r28;
      40             : 
      41             :         /* Return address */
      42             :         uint32_t ra;
      43             : 
      44             :         /* Stack pointer */
      45             :         uint32_t sp;
      46             : 
      47             :         /* IRQ status before irq_lock() and call to z_swap() */
      48             :         uint32_t key;
      49             : 
      50             :         /* Return value of z_swap() */
      51             :         uint32_t retval;
      52             : };
      53             : 
      54             : typedef struct _callee_saved _callee_saved_t;
      55             : 
      56             : struct _thread_arch {
      57             :         /* nothing for now */
      58             : };
      59             : 
      60             : typedef struct _thread_arch _thread_arch_t;
      61             : 
      62             : #endif /* _ASMLANGUAGE */
      63             : 
      64             : #endif /* ZEPHYR_INCLUDE_ARCH_NIOS2_THREAD_H_ */