Line data    Source code

       1           1 : /*
       2             :  * Copyright (c) 2020 Antony Pavlov <antonynpavlov@gmail.com>
       3             :  *
       4             :  * based on include/arch/riscv/thread.h
       5             :  *
       6             :  * SPDX-License-Identifier: Apache-2.0
       7             :  */
       8             : 
       9             : /**
      10             :  * @file
      11             :  * @brief Per-arch thread definition
      12             :  *
      13             :  * This file contains definitions for
      14             :  *
      15             :  *  struct _thread_arch
      16             :  *  struct _callee_saved
      17             :  *
      18             :  * necessary to instantiate instances of struct k_thread.
      19             :  */
      20             : 
      21             : #ifndef ZEPHYR_INCLUDE_ARCH_MIPS_THREAD_H_
      22             : #define ZEPHYR_INCLUDE_ARCH_MIPS_THREAD_H_
      23             : 
      24             : #ifndef _ASMLANGUAGE
      25             : #include <zephyr/types.h>
      26             : 
      27             : /*
      28             :  * The following structure defines the list of registers that need to be
      29             :  * saved/restored when a cooperative context switch occurs.
      30             :  */
      31             : struct _callee_saved {
      32             :         unsigned long sp;       /* Stack pointer */
      33             : 
      34             :         unsigned long s0;       /* saved register */
      35             :         unsigned long s1;       /* saved register */
      36             :         unsigned long s2;       /* saved register */
      37             :         unsigned long s3;       /* saved register */
      38             :         unsigned long s4;       /* saved register */
      39             :         unsigned long s5;       /* saved register */
      40             :         unsigned long s6;       /* saved register */
      41             :         unsigned long s7;       /* saved register */
      42             :         unsigned long s8;       /* saved register AKA fp */
      43             : };
      44             : typedef struct _callee_saved _callee_saved_t;
      45             : 
      46             : struct _thread_arch {
      47             :         uint32_t swap_return_value; /* Return value of z_swap() */
      48             : };
      49             : 
      50             : typedef struct _thread_arch _thread_arch_t;
      51             : 
      52             : #endif /* _ASMLANGUAGE */
      53             : 
      54             : #endif /* ZEPHYR_INCLUDE_ARCH_MIPS_THREAD_H_ */