| /* |
| * 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); |
| u32_t pc; |
| }; |
| |
| typedef struct __esf NANO_ESF; |
| extern const NANO_ESF _default_esf; |
| #endif |
| |
| #ifdef __cplusplus |
| } |
| #endif |
| |
| |
| #endif /* _ARCH_XTENSA_EXC_H_ */ |
