zephyr/include/arch/xtensa/exc.h

46 lines
838 B
C

/*
* Copyright (c) 2014 Wind River Systems, Inc.
* Copyright (c) 2016 Cadence Design Systems, Inc.
* SPDX-License-Identifier: Apache-2.0
*/
/**
* @file
* @brief Xtensa public exception handling
*
* Xtensa-specific kernel exception handling interface. Included by
* arch/xtensa/arch.h.
*/
#ifndef _ARCH_XTENSA_EXC_H_
#define _ARCH_XTENSA_EXC_H_
#ifdef __cplusplus
extern "C" {
#endif
#ifdef _ASMLANGUAGE
#else
/**
* @brief Exception Stack Frame
*
* A pointer to an "exception stack frame" (ESF) is passed as an argument
* to exception handlers registered via nanoCpuExcConnect().
*/
struct __esf {
/* XXX - not finished yet */
sys_define_gpr_with_alias(a1, sp);
uint32_t pc;
};
typedef struct __esf NANO_ESF;
extern const NANO_ESF _default_esf;
#endif
#ifdef __cplusplus
}
#endif
#endif /* _ARCH_XTENSA_EXC_H_ */