C++ Crashkurs
IDT Namespace Reference
"Interrupt Descriptor Table (IDT) More...
Classes | |
| union | InterruptDescriptor.__unnamed__ |
Structs | |
| struct | InterruptDescriptor |
| struct | InterruptDescriptor.__unnamed__.__unnamed__ |
| struct | Register |
Enumerations | |
| enum | Gate { GATE_TASK = 0x5, GATE_INT = 0x6, GATE_TRAP = 0x7 } |
| Gate types. More... | |
| enum | GateSize { GATE_SIZE_16 = 0, GATE_SIZE_32 = 1 } |
| Segment type. More... | |
| enum | DPL { DPL_KERNEL = 0, DPL_USER = 3 } |
| Descriptor Privilege Level. More... | |
Functions | |
| void | load () |
Load the IDT's address and size into the IDT-Register via idtr. | |
| void | handle (uint8_t vector, void *handler, enum Gate type=Gate::GATE_INT, enum GateSize size=GateSize::GATE_SIZE_32, enum DPL dpl=DPL::DPL_KERNEL, bool present=true) |
| Configure entry point for interrupt handling. More... | |
Detailed Description
"Interrupt Descriptor Table (IDT)
Class Documentation
| union IDT::InterruptDescriptor.__unnamed__ |
| Class Members | ||
|---|---|---|
| __unnamed__ | __unnamed__ | |
| uint16_t | flags | |
Enumeration Type Documentation
| enum IDT::Gate |
| enum IDT::GateSize |
| enum IDT::DPL |
Function Documentation
| void IDT::handle | ( | uint8_t | vector, |
| void * | handler, | ||
| enum Gate | type = Gate::GATE_INT, |
||
| enum GateSize | size = GateSize::GATE_SIZE_32, |
||
| enum DPL | dpl = DPL::DPL_KERNEL, |
||
| bool | present = true |
||
| ) |
Configure entry point for interrupt handling.
The provided entry function ("handler") is required to, as first step, save the registers.
- Parameters
-
vector Interrupt vector number for which the handler is to be set/changed handler Low-level entry point for interrupt handling type Gate type (Interrupt, Trap, or Task) size 16- or 32-bit dpl Permissions required for enter this interrupt handler (kernel- or user space) present Denotes whether the IDT descriptor is marked as available