dsp_context.h

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/*
 * Copyright (c) 2022 Synopsys
 *
 * SPDX-License-Identifier: Apache-2.0
 */
 
#ifndef _DSPCONTEXT_H
#define _DSPCONTEXT_H
 
struct dsp_volatile_register_set {
#ifdef CONFIG_ARC_DSP_BFLY_SHARING
        uintptr_t dsp_bfly0;
#endif
#ifdef CONFIG_ARC_AGU_SHARING
        uintptr_t agu_ap0;
        uintptr_t agu_os0;
#endif
};
 
struct dsp_non_volatile_register_set {
        /* No non-volatile dsp registers */
};
 
#define SIZEOF_DSP_VOLATILE_REGISTER_SET sizeof(struct dsp_volatile_register_set)
#define SIZEOF_DSP_NON_VOLATILE_REGISTER_SET 0
 
/* the set of ALL dsp registers */
 
struct dsp_register_set {
        struct dsp_volatile_register_set dsp_volatile;
        struct dsp_non_volatile_register_set dsp_non_volatile;
};
 
#define SIZEOF_DSP_REGISTER_SET \
        (SIZEOF_DSP_VOLATILE_REGISTER_SET + SIZEOF_DSP_NON_VOLATILE_REGISTER_SET)
 
/*
 * The following constants define the initial byte value used by the background
 * task, and the thread when loading up the dsp registers.
 */
 
#define MAIN_DSP_REG_CHECK_BYTE ((unsigned char)0xe5)
#define FIBER_DSP_REG_CHECK_BYTE ((unsigned char)0xf9)
 
#endif /* _DSPCONTEXT_H */