Error code

Error code 的协作图:

宏定义
#define	LOS_ERRNO_OS_ID   (0x00U << 16)
#define	LOS_ERRTYPE_NORMAL   (0x00U << 24)
#define	LOS_ERRTYPE_WARN   (0x01U << 24)
#define	LOS_ERRTYPE_ERROR   (0x02U << 24)
#define	LOS_ERRTYPE_FATAL   (0x03U << 24)
#define	LOS_ERRNO_OS_FATAL(MID, ERRNO)    (LOS_ERRTYPE_FATAL | LOS_ERRNO_OS_ID | ((UINT32)(MID) << 8) | ((UINT32)(ERRNO)))
#define	LOS_ERRNO_OS_ERROR(MID, ERRNO)    (LOS_ERRTYPE_ERROR | LOS_ERRNO_OS_ID | ((UINT32)(MID) << 8) | ((UINT32)(ERRNO)))
#define	LOS_ERRNO_OS_WARN(MID, ERRNO)    (LOS_ERRTYPE_WARN | LOS_ERRNO_OS_ID | ((UINT32)(MID) << 8) | ((UINT32)(ERRNO)))
#define	LOS_ERRNO_OS_NORMAL(MID, ERRNO)    (LOS_ERRTYPE_NORMAL | LOS_ERRNO_OS_ID | ((UINT32)(MID) << 8) | ((UINT32)(ERRNO)))

枚举
enum	LOS_MOUDLE_ID {   LOS_MOD_SYS = 0x0 , LOS_MOD_MEM = 0x1 , LOS_MOD_TSK = 0x2 , LOS_MOD_SWTMR = 0x3 ,   LOS_MOD_TICK = 0x4 , LOS_MOD_MSG = 0x5 , LOS_MOD_QUE = 0x6 , LOS_MOD_SEM = 0x7 ,   LOS_MOD_MBOX = 0x8 , LOS_MOD_HWI = 0x9 , LOS_MOD_HWWDG = 0xa , LOS_MOD_CACHE = 0xb ,   LOS_MOD_HWTMR = 0xc , LOS_MOD_MMU = 0xd , LOS_MOD_LOG = 0xe , LOS_MOD_ERR = 0xf ,   LOS_MOD_EXC = 0x10 , LOS_MOD_CSTK = 0x11 , LOS_MOD_MPU = 0x12 , LOS_MOD_NMHWI = 0x13 ,   LOS_MOD_TRACE = 0x14 , LOS_MOD_KNLSTAT = 0x15 , LOS_MOD_EVTTIME = 0x16 , LOS_MOD_THRDCPUP = 0x17 ,   LOS_MOD_IPC = 0x18 , LOS_MOD_STKMON = 0x19 , LOS_MOD_TIMER = 0x1a , LOS_MOD_RESLEAKMON = 0x1b ,   LOS_MOD_EVENT = 0x1c , LOS_MOD_MUX = 0x1d , LOS_MOD_CPUP = 0x1e , LOS_MOD_FPB = 0x1f ,   LOS_MOD_PERF = 0x20 , LOS_MOD_LPM = 0x21 , LOS_MOD_RWSEM = 0x22 , LOS_MOD_DYN_SHM = 0x23 ,   LOS_MOD_RPQUEUE = 0x25 , LOS_MOD_SHELL = 0x31 , LOS_MOD_DRIVER = 0x41 , LOS_MOD_BUTT }

详细描述

宏定义说明

LOS_ERRNO_OS_ERROR

#define LOS_ERRNO_OS_ERROR	(		MID,
			ERRNO
	)		(LOS_ERRTYPE_ERROR | LOS_ERRNO_OS_ID | ((UINT32)(MID) << 8) | ((UINT32)(ERRNO)))

Define critical OS errors. It is a 32-bit unsigned integer error code.

• 24-31 bits indicate the error level, here is LOS_ERRTYPE_ERROR.
• 16-23 bits indicate the os error code flag, here is LOS_ERRNO_OS_ID.
• 8-15 bits indicate the module which the error code belongs to. It is specified by MID.
• 0-7 bits indicate the error code number. It is specified by ERRNO.

LOS_ERRNO_OS_FATAL

#define LOS_ERRNO_OS_FATAL	(		MID,
			ERRNO
	)		(LOS_ERRTYPE_FATAL | LOS_ERRNO_OS_ID | ((UINT32)(MID) << 8) | ((UINT32)(ERRNO)))

Define fatal OS errors. It is a 32-bit unsigned integer error code.

• 24-31 bits indicate the error level, here is LOS_ERRTYPE_FATAL.
• 16-23 bits indicate the os error code flag, here is LOS_ERRNO_OS_ID.
• 8-15 bits indicate the module which the error code belongs to. It is specified by MID.
• 0-7 bits indicate the error code number. It is specified by ERRNO.

LOS_ERRNO_OS_ID

#define LOS_ERRNO_OS_ID   (0x00U << 16)

OS error code flag. It is a 24-bit unsigned integer. Its value is 0x000000U.

LOS_ERRNO_OS_NORMAL

#define LOS_ERRNO_OS_NORMAL	(		MID,
			ERRNO
	)		(LOS_ERRTYPE_NORMAL | LOS_ERRNO_OS_ID | ((UINT32)(MID) << 8) | ((UINT32)(ERRNO)))

Define informative OS errors. It is a 32-bit unsigned integer error code.

• 24-31 bits indicate the error level, here is LOS_ERRTYPE_NORMAL.
• 16-23 bits indicate the os error code flag, here is LOS_ERRNO_OS_ID.
• 8-15 bits indicate the module which the error code belongs to. It is specified by MID.
• 0-7 bits indicate the error code number. It is specified by ERRNO.

LOS_ERRNO_OS_WARN

#define LOS_ERRNO_OS_WARN	(		MID,
			ERRNO
	)		(LOS_ERRTYPE_WARN | LOS_ERRNO_OS_ID | ((UINT32)(MID) << 8) | ((UINT32)(ERRNO)))

Define warning OS errors. It is a 32-bit unsigned integer error code.

• 24-31 bits indicate the error level, here is LOS_ERRTYPE_WARN.
• 16-23 bits indicate the os error code flag, here is LOS_ERRNO_OS_ID.
• 8-15 bits indicate the module which the error code belongs to. It is specified by MID.
• 0-7 bits indicate the error code number. It is specified by ERRNO.

LOS_ERRTYPE_ERROR

#define LOS_ERRTYPE_ERROR   (0x02U << 24)

Define the error level as critical. It is a 32-bit unsigned integer. Its value is 0x02000000U.

LOS_ERRTYPE_FATAL

#define LOS_ERRTYPE_FATAL   (0x03U << 24)

Define the error level as fatal. It is a 32-bit unsigned integer. Its value is 0x03000000U.

LOS_ERRTYPE_NORMAL

#define LOS_ERRTYPE_NORMAL   (0x00U << 24)

Define the error level as informative. It is a 32-bit unsigned integer. Its value is 0x00000000U.

LOS_ERRTYPE_WARN

#define LOS_ERRTYPE_WARN   (0x01U << 24)

Define the error level as warning. It is a 32-bit unsigned integer. Its value is 0x01000000U.

枚举类型说明

LOS_MOUDLE_ID

enum LOS_MOUDLE_ID

Define the ID of each module in kernel. The ID is used in error code.

枚举值
LOS_MOD_SYS	System ID. Its value is 0x0.
LOS_MOD_MEM	Dynamic memory module ID. Its value is 0x1.
LOS_MOD_TSK	Task module ID. Its value is 0x2.
LOS_MOD_SWTMR	Software timer module ID. Its value is 0x3.
LOS_MOD_TICK	Tick module ID. Its value is 0x4.
LOS_MOD_MSG	Message module ID. Its value is 0x5.
LOS_MOD_QUE	Queue module ID. Its value is 0x6.
LOS_MOD_SEM	Semaphore module ID. Its value is 0x7.
LOS_MOD_MBOX	Static memory module ID. Its value is 0x8.
LOS_MOD_HWI	Hardware interrupt module ID. Its value is 0x9.
LOS_MOD_HWWDG	Hardware watchdog module ID. Its value is 0xa.
LOS_MOD_CACHE	Cache module ID. Its value is 0xb.
LOS_MOD_HWTMR	Hardware timer module ID. Its value is 0xc.
LOS_MOD_MMU	MMU module ID. Its value is 0xd.
LOS_MOD_LOG	Log module ID. Its value is 0xe.
LOS_MOD_ERR	Error handling module ID. Its value is 0xf.
LOS_MOD_EXC	Exception handling module ID. Its value is 0x10.
LOS_MOD_CSTK	This module ID is reserved. Its value is 0x11.
LOS_MOD_MPU	MPU module ID. Its value is 0x12.
LOS_MOD_NMHWI	NMI module ID. It is reserved. Its value is 0x13.
LOS_MOD_TRACE	Trace module ID. Its value is 0x14.
LOS_MOD_KNLSTAT	This module ID is reserved. Its value is 0x15.
LOS_MOD_EVTTIME	This module ID is reserved. Its value is 0x16.
LOS_MOD_THRDCPUP	This module ID is reserved. Its value is 0x17.
LOS_MOD_IPC	This module ID is reserved. Its value is 0x18.
LOS_MOD_STKMON	This module ID is reserved. Its value is 0x19.
LOS_MOD_TIMER	This module ID is reserved. Its value is 0x1a.
LOS_MOD_RESLEAKMON	This module ID is reserved. Its value is 0x1b.
LOS_MOD_EVENT	event module ID. Its value is 0x1c.
LOS_MOD_MUX	mutex module ID. Its value is 0x1d.
LOS_MOD_CPUP	CPU usage module ID. Its value is 0x1e.
LOS_MOD_FPB	FPB module ID. Its value is 0x1f.
LOS_MOD_PERF	Perf module ID. Its value is 0x20.
LOS_MOD_LPM	LPM module ID. Its value is 0x21.
LOS_MOD_RWSEM	RW Semaphore module ID. Its value is 0x22.
LOS_MOD_DYN_SHM	dynamic shared memory module ID. Its value is 0x23.
LOS_MOD_RPQUEUE	Remote Processor Queue module ID. Its value is 0x25.
LOS_MOD_SHELL	shell module ID. Its value is 0x31.
LOS_MOD_DRIVER	driver module ID. Its value is 0x41.
LOS_MOD_BUTT	It is end flag of this enumeration.