genode/repos/base-hw/src/core/include/spec/x86_64/idt.h

55 lines
689 B
C++

#ifndef _IDT_H_
#define _IDT_H_
#include <base/stdint.h>
namespace Genode
{
/**
* Interrupt Descriptor Table (IDT)
* See Intel SDM Vol. 3A, section 6.10
*/
class Idt;
}
class Genode::Idt
{
private:
enum {
SIZE_IDT = 256,
};
/**
* 64-Bit Mode IDT gate, see Intel SDM Vol. 3A, section 6.14.1.
*/
struct gate
{
uint16_t offset_15_00;
uint16_t segment_sel;
uint16_t flags;
uint16_t offset_31_16;
uint32_t offset_63_32;
uint32_t reserved;
};
/**
* IDT table
*/
static gate _table[];
public:
/**
* Setup IDT.
*/
static void setup();
/**
* Load IDT into IDTR.
*/
static void load();
};
#endif /* _IDT_H_ */