thread.h

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/*
 * Copyright (c) 2019-2020 Cobham Gaisler AB
 *
 * SPDX-License-Identifier: Apache-2.0
 */
 
#ifndef ZEPHYR_INCLUDE_ARCH_SPARC_THREAD_H_
#define ZEPHYR_INCLUDE_ARCH_SPARC_THREAD_H_
 
#ifndef _ASMLANGUAGE
#include <zephyr/types.h>
 
/*
 * The following structure defines the list of registers that need to be
 * saved/restored when a cooperative context switch occurs.
 */
struct _callee_saved {
 /* y register used by mul/div */
 uint32_t y;
 
 /* processor status register */
 uint32_t psr;
 
 /*
 * local registers
 *
 * Using uint64_t l0_and_l1 will put everything in this structure on a
 * double word boundary which allows us to use double word loads and
 * stores safely in the context switch.
 */
 uint64_t l0_and_l1;
 uint32_t l2;
 uint32_t l3;
 uint32_t l4;
 uint32_t l5;
 uint32_t l6;
 uint32_t l7;
 
 /* input registers */
 uint32_t i0;
 uint32_t i1;
 uint32_t i2;
 uint32_t i3;
 uint32_t i4;
 uint32_t i5;
 uint32_t i6; /* frame pointer */
 uint32_t i7;
 
 /* output registers */
 uint32_t o6; /* stack pointer */
 uint32_t o7;
 
};
typedef struct _callee_saved _callee_saved_t;
 
struct _thread_arch {
 /* empty */
};
 
typedef struct _thread_arch _thread_arch_t;
 
#endif /* _ASMLANGUAGE */
 
#endif /* ZEPHYR_INCLUDE_ARCH_SPARC_THREAD_H_ */