45 lines
836 B
C
45 lines
836 B
C
#include "types.h"
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#ifndef __ACPI_H__
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#define __ACPI_H__
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#define ACPI_VERSION_UNK 0
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#define ACPI_VERSION_10 1
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#define ACPI_VERSION_20 2
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#define ACPI_10_RSDP_SIZE 20
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#define ACPI_20_RSDP_SIZE 16
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struct S_ACPI_RSDP {
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s8 Magic[8];
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u8 Checksum;
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s8 OEMID[6];
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u8 Revision;
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u32 RSDTAddress;
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// Additional ACPI 2.0 fields
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u32 Length;
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u32 RSDTAddressExLow;
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u32 RSDTAddressExHigh;
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u8 ChecksumEx;
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u8 Reserved[3];
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} __attribute__((packed));
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typedef struct S_ACPI_RSDP T_ACPI_RSDP;
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struct S_ACPI_SDT_HEADER {
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s8 Signature[4];
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u32 Length;
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u8 Revision;
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u8 Checksum;
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s8 OEMID[6];
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s8 OEMTableID[8];
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u32 OEMRevision;
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u32 CreatorID;
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u32 CreatorRevision;
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} __attribute__ ((packed));
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typedef struct S_ACPI_SDT_HEADER T_ACPI_SDT_HEADER;
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u64 acpi_find_rsdp(void);
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#endif
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