Mark
110 lines
2.4 KiB
C
110 lines
2.4 KiB
C
#pragma once
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#include "sys/types.h"
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struct acpi_rsdp {
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char signature[8];
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uint8_t checksum;
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char oemid[6];
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uint8_t rev;
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uint32_t rsdt_address;
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} __attribute__((packed));
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struct acpi_rsdp_ext {
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struct acpi_rsdp rsdp;
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uint32_t length;
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uint64_t xsdt_address;
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uint8_t ext_checksum;
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uint8_t reserved[3];
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} __attribute__((packed));
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struct acpi_header {
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char signature[4];
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uint32_t length;
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uint8_t rev;
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uint8_t checksum;
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char oemid[6];
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char oem_table_id[8];
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uint32_t oem_rev;
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char asl_id[4];
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uint32_t asl_rev;
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} __attribute__((packed));
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struct acpi_rsdt {
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struct acpi_header hdr;
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uint32_t entry[];
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} __attribute__((packed));
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struct acpi_madt {
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struct acpi_header hdr;
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uint32_t local_apic_addr;
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uint32_t flags;
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char entry[];
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} __attribute__((packed));
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struct acpi_mcfg {
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struct acpi_header hdr;
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uint64_t __res0;
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struct acpi_mcfg_entry {
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uint64_t base_address;
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uint16_t pci_segment_group;
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uint8_t start_pci_bus;
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uint8_t end_pci_bus;
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uint32_t reserved;
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} __attribute__((packed)) entry[];
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} __attribute__((packed));
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struct acpi_fadt {
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struct acpi_header hdr;
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uint32_t firmware_ctrl;
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uint32_t dsdt;
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uint8_t __res0;
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uint8_t preferred_pm_profile;
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uint16_t sci_int;
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uint32_t sci_cmd_port;
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uint8_t acpi_enable;
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uint8_t acpi_disable;
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uint8_t s4bios_req;
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uint8_t pstate_control;
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uint32_t pm1a_event_block;
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uint32_t pm1b_event_block;
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uint32_t pm1a_control_block;
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uint32_t pm1b_control_block;
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uint32_t pm2_control_block;
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uint32_t pm_timer_block;
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uint32_t gpe0_block;
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uint32_t gpe1_block;
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uint8_t pm1_event_length;
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uint8_t pm1_control_length;
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uint8_t pm2_control_length;
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uint8_t pm_timer_length;
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uint8_t gpe0_length;
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uint8_t gpe1_length;
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uint8_t gpe1_base;
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uint8_t cstate_control;
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uint16_t worst_c2_latency;
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uint16_t worst_c3_latency;
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uint16_t flush_size;
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uint16_t flush_stride;
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uint8_t duty_offset;
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uint8_t duty_width;
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uint8_t day_alarm;
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uint8_t month_alarm;
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uint8_t century;
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//...
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} __attribute__((packed));
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extern struct acpi_rsdp_ext *acpi_rsdp;
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extern struct acpi_madt *acpi_madt;
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extern struct acpi_mcfg *acpi_mcfg;
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void amd64_acpi_set_rsdp(uintptr_t addr);
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void amd64_acpi_set_rsdp2(uintptr_t addr);
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void amd64_acpi_init(void);
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