Intel Extensible Firmware Interface - Raisetpl()

Services
Version 1.02 12/12/00 39
3.1.7 RaiseTPL()
Summary
Raises a task’s priority level and returns its previous level.
Prototype
EFI_TPL
RaiseTPL (
IN EFI_TPL NewTpl
);
Parameters
NewTpl The new task priority level. It must be greater than or equal to the
current task priority level. See “Related Definitions”.
Related Definitions
//*******************************************************
// EFI_TPL
//*******************************************************
typedef UINTN EFI_TPL
//*******************************************************
// Task Priority Levels
//*******************************************************
#define TPL_APPLICATION 4
#define TPL_CALLBACK 8
#define TPL_NOTIFY 16
#define TPL_HIGH_LEVEL 31