| /* |
| * Copyright (c) 2014 Wind River Systems, Inc. |
| * |
| * SPDX-License-Identifier: Apache-2.0 |
| */ |
| |
| /** |
| * @file |
| * @brief ARCv2 public error handling |
| * |
| * ARC-specific kernel error handling interface. Included by arc/arch.h. |
| */ |
| |
| #ifndef ZEPHYR_INCLUDE_ARCH_ARC_V2_ERROR_H_ |
| #define ZEPHYR_INCLUDE_ARCH_ARC_V2_ERROR_H_ |
| |
| #include <arch/arc/syscall.h> |
| #include <arch/arc/v2/exc.h> |
| #include <stdbool.h> |
| |
| #ifdef __cplusplus |
| extern "C" { |
| #endif |
| |
| #ifndef _ASMLANGUAGE |
| #include <toolchain/gcc.h> |
| extern void z_NanoFatalErrorHandler(unsigned int, const NANO_ESF*); |
| extern void z_SysFatalErrorHandler(unsigned int cause, const NANO_ESF *esf); |
| #endif |
| |
| #define _NANO_ERR_HW_EXCEPTION (0) /* MPU/Bus/Usage fault */ |
| #define _NANO_ERR_STACK_CHK_FAIL (2) /* Stack corruption detected */ |
| #define _NANO_ERR_ALLOCATION_FAIL (3) /* Kernel Allocation Failure */ |
| #define _NANO_ERR_KERNEL_OOPS (4) /* Kernel oops (fatal to thread) */ |
| #define _NANO_ERR_KERNEL_PANIC (5) /* Kernel panic (fatal to system) */ |
| |
| |
| /* |
| * the exception caused by kernel will be handled in interrupt context |
| * when the processor is already in interrupt context, no need to raise |
| * a new exception; when the processor is in thread context, the exception |
| * will be raised |
| */ |
| #define Z_ARCH_EXCEPT(reason_p) do { \ |
| if (z_arc_v2_irq_unit_is_in_isr()) { \ |
| printk("@ %s:%d:\n", __FILE__, __LINE__); \ |
| z_NanoFatalErrorHandler(reason_p, 0); \ |
| } else {\ |
| __asm__ volatile ( \ |
| "mov r0, %[reason]\n\t" \ |
| "trap_s %[id]\n\t" \ |
| : \ |
| : [reason] "i" (reason_p), \ |
| [id] "i" (_TRAP_S_CALL_RUNTIME_EXCEPT) \ |
| : "memory"); \ |
| CODE_UNREACHABLE; \ |
| } \ |
| } while (false) |
| |
| #ifdef __cplusplus |
| } |
| #endif |
| |
| |
| #endif /* ZEPHYR_INCLUDE_ARCH_ARC_V2_ERROR_H_ */ |