3664ed64c3
arch_interface.h is for architecture and should not be under sys/. So move it under include/zephyr/arch/. Signed-off-by: Daniel Leung <daniel.leung@intel.com>
63 lines
1.4 KiB
C
63 lines
1.4 KiB
C
/*
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* Copyright (c) 2014 Wind River Systems, Inc.
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* Copyright (c) 2016 Cadence Design Systems, Inc.
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*
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* SPDX-License-Identifier: Apache-2.0
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*/
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#ifndef ZEPHYR_ARCH_XTENSA_INCLUDE_XTENSA_INTERNAL_H_
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#define ZEPHYR_ARCH_XTENSA_INCLUDE_XTENSA_INTERNAL_H_
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#include <stdint.h>
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#include <zephyr/arch/xtensa/exception.h>
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#include <zephyr/arch/arch_interface.h>
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/**
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* @ingroup xtensa_internal_apis
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* @{
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*/
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/**
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* @brief Dump and print out the stack frame content.
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*
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* This mainly prints out the registers stashed in the stack frame.
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*
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* @param stack Pointer to stack frame.
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*/
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void xtensa_dump_stack(const z_arch_esf_t *stack);
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/**
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* @brief Get string description from an exception code.
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*
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* @param cause_code Exception code.
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*
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* @return String description.
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*/
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char *xtensa_exccause(unsigned int cause_code);
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/**
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* @brief Called upon a fatal error.
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*
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* @param reason The reason for the fatal error
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* @param esf Exception context, with details and partial or full register
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* state when the error occurred. May in some cases be NULL.
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*/
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void xtensa_fatal_error(unsigned int reason, const z_arch_esf_t *esf);
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/**
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* @brief Perform a one-way transition from supervisor to user mode.
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*
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* @see arch_user_mode_enter
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*/
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void xtensa_userspace_enter(k_thread_entry_t user_entry,
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void *p1, void *p2, void *p3,
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uintptr_t stack_end,
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uintptr_t stack_start);
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/**
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* @}
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*/
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#endif /* ZEPHYR_ARCH_XTENSA_INCLUDE_XTENSA_INTERNAL_H_ */
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