thread.h

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/*
 * Copyright (c) 2017 Intel Corporation
 *
 * SPDX-License-Identifier: Apache-2.0
 */

 
#ifndef ZEPHYR_INCLUDE_ARCH_ARC_THREAD_H_
#define ZEPHYR_INCLUDE_ARCH_ARC_THREAD_H_
 
/*
 * Reason a thread has relinquished control.
 */
#define _CAUSE_NONE 0
#define _CAUSE_COOP 1
#define _CAUSE_RIRQ 2
#define _CAUSE_FIRQ 3
 
#ifndef _ASMLANGUAGE
#include <zephyr/types.h>
 
#ifdef __cplusplus
extern "C" {
#endif
 
struct _callee_saved {
        uintptr_t sp; /* r28 */
};
typedef struct _callee_saved _callee_saved_t;
 
struct _thread_arch {
 
        /* one of the _CAUSE_xxxx definitions above */
        int32_t relinquish_cause;
 
#ifdef CONFIG_ARC_STACK_CHECKING
        /* High address of stack region, stack grows downward from this
         * location. Usesd for hardware stack checking
         */
        uintptr_t k_stack_base;
        uintptr_t k_stack_top;
#ifdef CONFIG_USERSPACE
        uintptr_t u_stack_base;
        uintptr_t u_stack_top;
#endif
#endif
 
#ifdef CONFIG_USERSPACE
        uintptr_t priv_stack_start;
#endif
};
 
typedef struct _thread_arch _thread_arch_t;
 
#ifdef __cplusplus
}
#endif
 
#endif /* _ASMLANGUAGE */
 
 
#endif /* ZEPHYR_INCLUDE_ARCH_ARC_THREAD_H_ */