forked from lolo859/vystem
54 lines
1.3 KiB
C
54 lines
1.3 KiB
C
// SPDX-License-Identifier: MPL-2.0
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#ifndef SH_LIB_ACPI_MADT_H
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#define SH_LIB_ACPI_MADT_H
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#include "std/stdlib.h"
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// MADT header structure
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typedef struct {
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char signature[4];
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sh_uint32 length;
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sh_uint8 revision;
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sh_uint8 checksum;
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char oem_id[6];
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char oem_table_id[8];
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sh_uint32 oem_revision;
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sh_uint32 creator_id;
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sh_uint32 creator_revision;
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} sh_acpi_madt_TABLE_HEADER;
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// MADT structure
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typedef struct {
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sh_acpi_madt_TABLE_HEADER header;
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sh_uint32 local_apic_address;
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sh_uint32 flags;
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} sh_acpi_madt_MADT;
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// MADT entry header structure
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typedef struct {
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sh_uint8 type;
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sh_uint8 length;
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} sh_acpi_madt_ENTRY_HEADER;
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// Local APIC structure
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typedef struct {
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sh_acpi_madt_ENTRY_HEADER header;
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sh_uint8 acpi_processor_id;
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sh_uint8 apic_id;
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sh_uint32 flags;
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} sh_acpi_madt_LAPIC;
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// IO APIC structure
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typedef struct {
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sh_acpi_madt_ENTRY_HEADER header;
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sh_uint8 ioapic_id;
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sh_uint8 reserved;
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sh_uint32 ioapic_address;
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sh_uint32 global_system_interrupt_base;
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} sh_acpi_madt_IOAPIC;
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// Interrupt source override structure
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typedef struct {
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sh_acpi_madt_ENTRY_HEADER header;
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sh_uint8 bus;
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sh_uint8 source;
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sh_uint32 gsi;
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sh_uint16 flags;
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} sh_acpi_madt_ISO;
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// Parse MADT table
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SH_STATUS sh_acpi_madt_parse(sh_uint64 madt_ptr);
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#endif
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