71 lines
3.3 KiB
C++
71 lines
3.3 KiB
C++
/**
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* PROJECT: ExectOS
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* COPYRIGHT: See COPYING.md in the top level directory
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* FILE: xtoskrnl/includes/hl/pic.hh
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* DESCRIPTION: HAL processor support
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* DEVELOPERS: Aiken Harris <harraiken91@gmail.com>
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*/
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#ifndef __XTOSKRNL_HL_PIC_HH
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#define __XTOSKRNL_HL_PIC_HH
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#include <xtos.hh>
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/* Hardware Layer */
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namespace HL
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{
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class Pic
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{
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private:
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STATIC APIC_MODE ApicMode;
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STATIC ULONG ControllerCount;
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STATIC IOAPIC_DATA Controllers[IOAPIC_MAX_CONTROLLERS];
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STATIC ULONG IrqOverrideCount;
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STATIC ACPI_MADT_INTERRUPT_OVERRIDE IrqOverrides[IOAPIC_MAX_OVERRIDES];
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STATIC UCHAR MappedVectors[256];
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public:
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STATIC XTAPI VOID ClearApicErrors(VOID);
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STATIC XTAPI ULONG GetCpuApicId(VOID);
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STATIC XTAPI VOID InitializeIOApic(VOID);
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STATIC XTAPI VOID InitializePic(VOID);
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STATIC XTFASTCALL ULONGLONG ReadApicRegister(IN APIC_REGISTER Register);
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STATIC XTAPI VOID SendEoi(VOID);
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STATIC XTAPI VOID SendIpi(IN ULONG ApicId,
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IN ULONG Vector);
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STATIC XTAPI VOID SendSelfIpi(IN ULONG Vector);
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STATIC XTFASTCALL VOID WriteApicRegister(IN APIC_REGISTER Register,
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IN ULONGLONG Value);
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private:
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STATIC XTAPI VOID AllocateSystemInterrupt(IN UCHAR Irq,
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IN UCHAR RunLevel,
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IN UCHAR Vector);
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STATIC XTAPI BOOLEAN CheckApicSupport(VOID);
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STATIC XTAPI BOOLEAN CheckX2ApicSupport(VOID);
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STATIC XTAPI XTSTATUS DetectIoApicControllers(VOID);
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STATIC XTAPI VOID ResolveInterruptOverride(IN UCHAR Irq,
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OUT PULONG Gsi,
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OUT PUSHORT Flags);
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STATIC XTAPI XTSTATUS GetIoApicController(IN ULONG Gsi,
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OUT PIOAPIC_DATA *Controller,
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OUT PULONG EntryNumber);
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STATIC XTAPI VOID InitializeApic(VOID);
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STATIC XTAPI VOID InitializeLegacyPic(VOID);
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STATIC XTFASTCALL ULONG ReadIOApicRegister(IN PIOAPIC_DATA Controller,
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IN UCHAR Register);
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STATIC XTFASTCALL IOAPIC_REDIRECTION_REGISTER ReadRedirectionEntry(IN PIOAPIC_DATA Controller,
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IN ULONG EntryNumber);
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STATIC XTFASTCALL UCHAR TranslateGsiToVector(IN ULONG Gsi);
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STATIC XTFASTCALL VOID WriteIOApicRegister(IN PIOAPIC_DATA Controller,
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IN UCHAR Register,
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IN ULONG DataValue);
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STATIC XTFASTCALL VOID WriteRedirectionEntry(IN PIOAPIC_DATA Controller,
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IN ULONG EntryNumber,
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IN IOAPIC_REDIRECTION_REGISTER EntryData);
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};
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}
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#endif /* __XTOSKRNL_HL_PIC_HH */
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