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#include <Library/UefiBootServicesTableLib.h>
#include <Library/UefiLib.h>
#include <Protocol/SimpleClass.h>
EFI_HANDLE mSimpleClassHandle = NULL;
UINTN mNumber = 0;
EFI_STATUS
EFIAPI
SimpleClassProtocolSetNumber (
UINTN Number
)
{
mNumber = Number;
return EFI_SUCCESS;
}
EFI_STATUS
EFIAPI
SimpleClassProtocolGetNumber (
UINTN* Number
)
{
if (Number == NULL) {
return EFI_INVALID_PARAMETER;
}
*Number = mNumber;
return EFI_SUCCESS;
}
SIMPLE_CLASS_PROTOCOL mSimpleClass = {
SimpleClassProtocolGetNumber,
SimpleClassProtocolSetNumber
};
EFI_STATUS
EFIAPI
SimpleClassProtocolDriverUnload (
IN EFI_HANDLE ImageHandle
)
{
Print(L"Bye-bye from SimpleClassProtocol driver, handle=%p\n", mSimpleClassHandle);
EFI_STATUS Status = gBS->UninstallMultipleProtocolInterfaces(
mSimpleClassHandle,
&gSimpleClassProtocolGuid,
&mSimpleClass,
NULL
);
return Status;
}
EFI_STATUS
EFIAPI
SimpleClassProtocolDriverEntryPoint (
IN EFI_HANDLE ImageHandle,
IN EFI_SYSTEM_TABLE *SystemTable
)
{
Print(L"Hello from SimpleClassProtocol driver");
EFI_STATUS Status = gBS->InstallMultipleProtocolInterfaces(
&mSimpleClassHandle,
&gSimpleClassProtocolGuid,
&mSimpleClass,
NULL
);
if (!EFI_ERROR(Status))
Print(L", handle=%p\n", mSimpleClassHandle);
else
Print(L"\n", mSimpleClassHandle);
return Status;
}
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