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https://github.com/Mathewnd/Astral.git
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Matheus
93 lines
1.8 KiB
C
93 lines
1.8 KiB
C
#ifndef _ACPI_H
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#define _ACPI_H
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#include <stddef.h>
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#include <stdint.h>
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#include <stdbool.h>
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typedef struct {
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char sig[8];
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uint8_t checksum;
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char oem[6];
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uint8_t revision;
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uint32_t rsdt;
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uint32_t length;
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uint64_t xsdt;
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uint8_t xchecksum;
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uint8_t reserved[3];
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} __attribute__((packed)) rsdp_t;
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typedef struct {
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char sig[4];
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uint32_t length;
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uint8_t revision;
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uint8_t cechksum;
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char oemid[6];
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char oemtableid[8];
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uint32_t oemrevision;
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uint32_t creatorid;
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uint32_t creatorrevision;
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} __attribute__((packed)) sdtheader_t;
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typedef struct {
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sdtheader_t header;
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uint64_t tables[];
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} __attribute__((packed)) xsdt_t;
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typedef struct {
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sdtheader_t header;
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uint32_t tables[];
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} __attribute__((packed)) rsdt_t;
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typedef struct {
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sdtheader_t header;
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uint32_t addr;
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uint32_t flags;
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} __attribute__((packed)) madt_t;
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typedef struct {
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sdtheader_t header;
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uint8_t hwrev;
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uint8_t comparatorcount:5;
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uint8_t countersize:1;
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uint8_t reserved:1;
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uint8_t legacy_replacement:1;
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uint16_t pcivendor;
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uint8_t addrid;
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uint8_t bitwidth;
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uint8_t bitoffset;
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uint8_t reserved2;
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uint64_t addr;
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uint8_t hpetnum;
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uint16_t mintick;
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uint8_t pageprot;
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} __attribute__((packed)) hpet_t;
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typedef struct {
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uint64_t address;
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uint16_t sgn;
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uint8_t startbus;
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uint8_t endbus;
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uint32_t reserved;
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} __attribute__((packed)) mcfgentry_t;
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typedef struct {
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sdtheader_t header;
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uint64_t reserved;
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mcfgentry_t entries[];
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} __attribute__((packed)) mcfg_t;
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#define ACPI_MADT_TYPE_LAPIC 0
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#define ACPI_MADT_TYPE_IOAPIC 1
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#define ACPI_MADT_TYPE_OVERRIDE 2
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#define ACPI_MADT_TYPE_IONMI 3
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#define ACPI_MADT_TYPE_LANMI 4
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#define ACPI_MADT_TYPE_64BITADDR 5
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#define ACPI_MADT_TYPE_X2APIC 9
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bool arch_acpi_checksumok(void *table);
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void *arch_acpi_findtable(char *sig, int n);
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void arch_acpi_init();
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#endif
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