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Add support for I/O APIC controllers and interrupt override handling
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This commit is contained in:
Aiken Harris
2026-04-18 00:04:12 +02:00
parent 715419abe7
commit cd4e905054
7 changed files with 652 additions and 7 deletions
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33
xtoskrnl/includes/hl/pic.hh
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@@ -19,24 +19,51 @@ namespace HL
{
private:
STATIC APIC_MODE ApicMode;
STATIC ULONG ControllerCount;
STATIC IOAPIC_DATA Controllers[IOAPIC_MAX_CONTROLLERS];
STATIC ULONG IrqOverrideCount;
STATIC ACPI_MADT_INTERRUPT_OVERRIDE IrqOverrides[IOAPIC_MAX_OVERRIDES];
STATIC UCHAR MappedVectors[256];
public:
STATIC XTAPI VOID ClearApicErrors(VOID);
STATIC XTAPI ULONG GetCpuApicId(VOID);
STATIC XTAPI VOID InitializeIOApic(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 XTAPI VOID SendSelfIpi(ULONG Vector);
STATIC XTAPI VOID SendIpi(IN ULONG ApicId,
IN ULONG Vector);
STATIC XTAPI VOID SendSelfIpi(IN ULONG Vector);
STATIC XTFASTCALL VOID WriteApicRegister(IN APIC_REGISTER Register,
IN ULONGLONG Value);
private:
STATIC XTAPI VOID AllocateSystemInterrupt(IN UCHAR Irq,
IN UCHAR RunLevel,
IN UCHAR Vector);
STATIC XTAPI BOOLEAN CheckApicSupport(VOID);
STATIC XTAPI BOOLEAN CheckX2ApicSupport(VOID);
STATIC XTAPI XTSTATUS DetectIoApicControllers(VOID);
STATIC XTAPI VOID ResolveInterruptOverride(IN UCHAR Irq,
OUT PULONG Gsi,
OUT PUSHORT Flags);
STATIC XTAPI XTSTATUS GetIoApicController(IN ULONG Gsi,
OUT PIOAPIC_DATA *Controller,
OUT PULONG EntryNumber);
STATIC XTAPI VOID InitializeApic(VOID);
STATIC XTAPI VOID InitializeLegacyPic(VOID);
STATIC XTFASTCALL ULONG ReadIOApicRegister(IN PIOAPIC_DATA Controller,
IN UCHAR Register);
STATIC XTFASTCALL IOAPIC_REDIRECTION_REGISTER ReadRedirectionEntry(IN PIOAPIC_DATA Controller,
IN ULONG EntryNumber);
STATIC XTFASTCALL UCHAR TranslateGsiToVector(IN ULONG Gsi);
STATIC XTFASTCALL VOID WriteIOApicRegister(IN PIOAPIC_DATA Controller,
IN UCHAR Register,
IN ULONG DataValue);
STATIC XTFASTCALL VOID WriteRedirectionEntry(IN PIOAPIC_DATA Controller,
IN ULONG EntryNumber,
IN IOAPIC_REDIRECTION_REGISTER EntryData);
};
}