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exectos/xtoskrnl/includes/hl/pic.hh
Aiken Harris 9479f3d364
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Implement APIC presence check and panic if unsupported
2026-03-25 22:52:58 +01:00

45 lines
1.4 KiB
C++

/**
* PROJECT: ExectOS
* COPYRIGHT: See COPYING.md in the top level directory
* FILE: xtoskrnl/includes/hl/pic.hh
* DESCRIPTION: HAL processor support
* DEVELOPERS: Aiken Harris <harraiken91@gmail.com>
*/
#ifndef __XTOSKRNL_HL_PIC_HH
#define __XTOSKRNL_HL_PIC_HH
#include <xtos.hh>
/* Hardware Layer */
namespace HL
{
class Pic
{
private:
STATIC APIC_MODE ApicMode;
public:
STATIC XTAPI VOID ClearApicErrors(VOID);
STATIC XTAPI ULONG GetCpuApicId(VOID);
STATIC XTAPI VOID InitializePic(VOID);
STATIC XTFASTCALL ULONGLONG ReadApicRegister(IN APIC_REGISTER Register);
STATIC XTAPI VOID SendEoi(VOID);
STATIC XTAPI VOID SendIpi(ULONG ApicId,
ULONG Vector);
STATIC XTFASTCALL VOID WriteApicRegister(IN APIC_REGISTER Register,
IN ULONGLONG Value);
private:
STATIC XTAPI BOOLEAN CheckApicSupport(VOID);
STATIC XTAPI BOOLEAN CheckX2ApicSupport(VOID);
STATIC XTCDECL VOID HandleApicSpuriousService(VOID);
STATIC XTCDECL VOID HandlePicSpuriousService(VOID);
STATIC XTAPI VOID InitializeApic(VOID);
STATIC XTAPI VOID InitializeLegacyPic(VOID);
};
}
#endif /* __XTOSKRNL_HL_PIC_HH */