Getmaximumprocessorindex(), Func – Intel Extensible Firmware Interface User Manual
Page 719
Protocols
— Debugger Support
Version 1.10
12/01/02
16-5
EFI_DEBUG_SUPPORT_PROTOCOL.GetMaximumProcessorIndex()
Summary
Returns the maximum value that may be used for the
ProcessorIndex
parameter in
Prototype
typedef
EFI_STATUS
(EFIAPI *EFI_GET_MAXIMUM_PROCESSOR_INDEX) (
IN EFI_DEBUG_SUPPORT_PROTOCOL
*This,
OUT UINTN
*MaxProcessorIndex
);
Parameters
This
A pointer to the
instance.
Type
EFI_DEBUG_SUPPORT_PROTOCOL
is defined in
Section 16.2.
MaxProcessorIndex
Pointer to a caller-allocated
UINTN
in which the maximum
supported processor index is returned.
Description
The
GetMaximumProcessorIndex()
function returns the maximum processor index in the
output parameter
MaxProcessorIndex
. This value is the largest value that may be used in the
ProcessorIndex
parameter for both
RegisterPeriodicCallback()
and
RegisterExceptionCallback()
. All values between 0 and
MaxProcessorIndex
must
be supported by
RegisterPeriodicCallback()
and
RegisterExceptionCallback()
.
It is the responsibility of the caller to insure all parameters are correct. There is no provision for
parameter checking by
GetMaximumProcessorIndex()
. The implementation behavior
when an invalid parameter is passed is not defined by this specification.
Status Codes Returned
EFI_SUCCESS
The function completed successfully.