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/** @file DxeExceptionLib.h
Common header file for CPU Exception Handler Library.
Copyright (c) 2024, Loongson Technology Corporation Limited. All rights reserved.<BR>
SPDX-License-Identifier: BSD-2-Clause-Patent
**/
#ifndef EXCEPTION_COMMON_H_
#define EXCEPTION_COMMON_H_
#define MAX_DEBUG_MESSAGE_LENGTH 0x100
//
// For coding convenience, define the maximum valid
// LoongArch exception.
// Since UEFI V2.11, it will be present in DebugSupport.h.
//
#define MAX_LOONGARCH_EXCEPTION 64
extern INTN mExceptionKnownNameNum;
/**
Get ASCII format string exception name by exception type.
@param[in] ExceptionType Exception type.
@return ASCII format string exception name.
**/
CONST CHAR8 *
GetExceptionNameStr (
IN EFI_EXCEPTION_TYPE ExceptionType
);
/**
Prints a message to the serial port.
@param[in] Format Format string for the message to print.
@param[in] ... Variable argument list whose contents are accessed
based on the format string specified by Format.
**/
VOID
EFIAPI
InternalPrintMessage (
IN CONST CHAR8 *Format,
...
);
/**
Find and display image base address and return image base and its entry point.
@param[in] CurrentEip Current instruction pointer.
**/
VOID
DumpModuleImageInfo (
IN UINTN CurrentEip
);
/**
IPI Interrupt Handler.
@param InterruptType The type of interrupt that occurred
@param SystemContext A pointer to the system context when the interrupt occurred
**/
VOID
EFIAPI
IpiInterruptHandler (
IN EFI_EXCEPTION_TYPE InterruptType,
IN EFI_SYSTEM_CONTEXT SystemContext
);
/**
Default exception handler.
@param[in] ExceptionType Exception type.
@param[in] SystemContext Pointer to EFI_SYSTEM_CONTEXT.
**/
VOID
EFIAPI
DefaultExceptionHandler (
IN EFI_EXCEPTION_TYPE ExceptionType,
IN OUT EFI_SYSTEM_CONTEXT SystemContext
);
/**
Display CPU information.
@param[in] ExceptionType Exception type.
@param[in] SystemContext Pointer to EFI_SYSTEM_CONTEXT.
**/
VOID
DumpImageAndCpuContent (
IN EFI_EXCEPTION_TYPE ExceptionType,
IN EFI_SYSTEM_CONTEXT SystemContext
);
/**
Get exception types
@param[in] SystemContext Pointer to EFI_SYSTEM_CONTEXT.
@return Exception type.
**/
EFI_EXCEPTION_TYPE
EFIAPI
GetExceptionType (
IN EFI_SYSTEM_CONTEXT SystemContext
);
/**
Get Common interrupt types
@param[in] SystemContext Pointer to EFI_SYSTEM_CONTEXT.
@return Interrupt type.
**/
EFI_EXCEPTION_TYPE
EFIAPI
GetInterruptType (
IN EFI_SYSTEM_CONTEXT SystemContext
);
#endif
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