Intel Extensible Firmware Interface - Manual (Page 724)

Extensible Firmware Interface Specification
16-10 12/01/02 Version 1.10
EFI_DEBUG_SUPPORT_PROTOCOL.RegisterExceptionCallback()
Summary
Registers a function to be called when a given processor exception occurs.
Prototype
typedef
EFI_STATUS
(EFIAPI
*REGISTER_EXCEPTION_CALLBACK) (
IN EFI_DEBUG_SUPPORT_PROTOCOL *This,
IN UINTN ProcessorIndex,
IN EFI_EXCEPTION_CALLBACK ExceptionCallback,
IN EFI_EXCEPTION_TYPE ExceptionType
);
Parameters
This A pointer to the EFI_DEBUG_SUPPORT_PROTOCOL instance.
Type EFI_DEBUG_SUPPORT_PROTOCOL is defined in
Section 16.2.
ProcessorIndex Specifies which processor the callback function applies to.
ExceptionCallback A pointer to a function of type EXCEPTION_CALLBACK that is
called when the processor exception specified by ExceptionType
occurs. Passing NULL unregisters any previously registered function
associated with ExceptionType .
ExceptionType Specifies which processor exception to hook.
Related Definitions
typedef
VOID (*EFI_EXCEPTION_CALLBACK) (
IN EFI_EXCEPTION_TYPE
ExceptionType,
IN OUT EFI_SYSTEM_CONTEXT SystemContext
);
typedef INTN EFI_EXCEPTION_TYPE;
// EBC Exception types
#define EXCEPT_EBC_UNDEFINED 0
#define EXCEPT_EBC_DIVIDE_ERROR 1
#define EXCEPT_EBC_DEBUG 2
#define EXCEPT_EBC_BREAKPOINT 3
#define EXCEPT_EBC_OVERFLOW 4
#define EXCEPT_EBC_INVALID_OPCODE 5