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98 lines
3.4 KiB
C
98 lines
3.4 KiB
C
/*
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*
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*/
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#pragma once
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/* I/O APIC Register Address Map */
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#define IOAPIC_IOREGSEL 0x0000 /* I/O Register Select (index) (R/W) */
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#define IOAPIC_IOWIN 0x0010 /* I/O window (data) (R/W) */
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#define IOAPIC_ID 0x0000 /* IO APIC ID (R/W) */
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#define IOAPIC_VER 0x0001 /* IO APIC Version (R) */
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#define IOAPIC_ARB 0x0002 /* IO APIC Arbitration ID (R) */
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#define IOAPIC_REDTBL 0x0010 /* Redirection Table (0-23 64-bit registers) (R/W) */
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#define IOAPIC_ID_MASK (0xF << 24)
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#define GET_IOAPIC_ID(x) ((UCHAR)(((x) & IOAPIC_ID_MASK) >> 24))
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#define SET_IOAPIC_ID(x) ((x) << 24)
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#define IOAPIC_VER_MASK (0xFF)
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#define GET_IOAPIC_VERSION(x) (((x) & IOAPIC_VER_MASK))
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#define IOAPIC_MRE_MASK (0xFF << 16) /* Maximum Redirection Entry */
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#define GET_IOAPIC_MRE(x) (((x) & IOAPIC_MRE_MASK) >> 16)
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#define IOAPIC_ARB_MASK (0xF << 24)
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#define GET_IOAPIC_ARB(x) (((x) & IOAPIC_ARB_MASK) >> 24)
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#define IOAPIC_TBL_DELMOD (0x7 << 10) /* Delivery Mode (see APIC_DM_*) */
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#define IOAPIC_TBL_DM (0x1 << 11) /* Destination Mode */
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#define IOAPIC_TBL_DS (0x1 << 12) /* Delivery Status */
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#define IOAPIC_TBL_INTPOL (0x1 << 13) /* Interrupt Input Pin Polarity */
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#define IOAPIC_TBL_RIRR (0x1 << 14) /* Remote IRR */
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#define IOAPIC_TBL_TM (0x1 << 15) /* Trigger Mode */
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#define IOAPIC_TBL_IM (0x1 << 16) /* Interrupt Mask */
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#define IOAPIC_TBL_DF0 (0xF << 56) /* Destination Field (physical mode) */
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#define IOAPIC_TBL_DF1 (0xFF<< 56) /* Destination Field (logical mode) */
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#define IOAPIC_TBL_VECTOR (0xFF << 0) /* Vector (10h - FEh) */
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#include <pshpack1.h>
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typedef struct _IOAPIC_ROUTE_ENTRY {
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ULONG vector : 8,
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delivery_mode : 3, /* 000: FIXED
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* 001: lowest priority
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* 111: ExtINT
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*/
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dest_mode : 1, /* 0: physical, 1: logical */
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delivery_status : 1,
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polarity : 1,
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irr : 1,
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trigger : 1, /* 0: edge, 1: level */
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mask : 1, /* 0: enabled, 1: disabled */
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__reserved_2 : 15;
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union {
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struct {
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ULONG __reserved_1 : 24,
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physical_dest : 4,
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__reserved_2 : 4;
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} physical;
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struct {
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ULONG __reserved_1 : 24,
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logical_dest : 8;
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} logical;
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} dest;
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} IOAPIC_ROUTE_ENTRY, *PIOAPIC_ROUTE_ENTRY;
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#include <poppack.h>
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typedef struct _IOAPIC_INFO
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{
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UCHAR ApicId; /* APIC ID */
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UCHAR ApicVersion; /* APIC version */
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ULONG ApicAddress; /* APIC address */
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ULONG EntryCount; /* Number of redirection entries */
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} IOAPIC_INFO, *PIOAPIC_INFO;
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#define IOAPIC_DEFAULT_BASE 0xFEC00000 /* Default I/O APIC Base Register Address */
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extern ULONG IRQCount; /* Number of IRQs */
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extern UCHAR BUSMap[MAX_BUS]; /* Map of all buses in the system */
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extern UCHAR PCIBUSMap[MAX_BUS]; /* Map of all PCI buses in the system */
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extern IOAPIC_INFO IOAPICMap[MAX_IOAPIC]; /* Map of all I/O APICs in the system */
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extern ULONG IOAPICCount; /* Number of I/O APICs in the system */
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extern ULONG APICMode; /* APIC mode at startup */
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extern MP_CONFIGURATION_INTSRC IRQMap[MAX_IRQ_SOURCE]; /* Map of all IRQs */
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VOID IOAPICSetupIrqs(VOID);
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VOID IOAPICEnable(VOID);
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VOID IOAPICSetupIds(VOID);
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VOID IOAPICMaskIrq(ULONG Irq);
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VOID IOAPICUnmaskIrq(ULONG Irq);
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VOID HaliReconfigurePciInterrupts(VOID);
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/* For debugging */
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VOID IOAPICDump(VOID);
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/* EOF */
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