280 lines
6.1 KiB
C
280 lines
6.1 KiB
C
#ifndef CRASHPOWEROS_ACPI_H
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#define CRASHPOWEROS_ACPI_H
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#include <stdint.h>
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#include <stddef.h>
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#define HEADER_SIZE 36
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#define ACPI_TABLE_RSDT ((void *)rsdt)
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#define ACPI_TABLE_FACP ((void *)facp)
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#pragma pack(push, 1)
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typedef struct
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{
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uint8_t addressid;
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uint8_t register_bitwidth;
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uint8_t register_bitoffset;
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uint8_t access_size;
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uint64_t address;
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} acpi_address_t;
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#pragma pack(pop)
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#pragma pack(push, 1)
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typedef struct
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{
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uint8_t signature[8];
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uint8_t checksum;
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uint8_t oem_id[6];
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uint8_t revision;
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uint32_t rsdt;
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} acpi_rsdptr_t;
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#pragma pack(pop)
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#pragma pack(push, 1)
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typedef struct
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{
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uint8_t signature[4]; // signature "RSDT"
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uint32_t length;
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uint8_t revision;
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uint8_t checksum;
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uint8_t oem_id[6];
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uint8_t oem_tableid[8];
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uint32_t oem_revision;
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uint32_t creator_id;
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uint32_t creator_revision;
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uint32_t *entry;
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} acpi_rsdt_t;
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#pragma pack(pop)
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#pragma pack(push, 1)
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typedef struct
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{
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uint8_t signature[4];
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uint32_t length;
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uint8_t revision;
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uint8_t checksum;
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uint8_t oem_id[6];
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uint8_t oem_tableid[8];
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uint32_t oem_revision;
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uint32_t creator_id;
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uint8_t definition_block;
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} acpi_dsdt_t;
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#pragma pack(pop)
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#pragma pack(push, 1)
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typedef struct
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{
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uint8_t signature[4];
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uint32_t length;
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uint8_t FADT_major_version;
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uint8_t checksum;
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uint8_t ome_id[6];
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uint8_t oem_tableid[8];
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uint32_t oem_revision;
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uint32_t creator_id;
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uint32_t creator_revision;
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uint32_t FIRMWARE_CTRL;
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acpi_dsdt_t *DSDT;
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// no longer in use
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uint8_t unused0;
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uint8_t PM_profile;
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uint16_t SCI_INT;
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uint32_t SMI_CMD;
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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_CNT;
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uint32_t PM1a_EVT_BLK;
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uint32_t PM1b_EVT_BLK;
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uint32_t PM1a_CNT_BLK;
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uint32_t PM1b_CNT_BLK;
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uint32_t PM2_CNT_BLK;
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uint32_t PM_TMR_BLK;
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uint32_t GPE0_BLK;
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uint32_t GPE1_BLK;
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uint8_t PM1_EVT_LEN;
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uint8_t PM1_CNT_LEN;
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uint8_t PM2_CNT_LEN;
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uint8_t PM_TMR_LEN;
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uint8_t GPE0_BLK_LEN;
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uint8_t GPE1_BLK_LEN;
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uint8_t GPE1_BASE;
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uint8_t CST_CNT;
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uint16_t P_LVL2_LAT;
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uint16_t P_LVL3_LAT;
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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_ALRM;
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uint8_t MON_ALRM;
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uint8_t CENTURY;
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// reserved in ACPI 1.0,used in since ACPI 2.0+
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uint16_t IAPC_BOOT_ARCH;
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uint8_t unused1;
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uint32_t flags;
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acpi_address_t RESET_REG;
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uint8_t RESET_VALUE;
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uint16_t ARM_BOOT_ARCH;
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uint8_t FADT_minjor_version;
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// there used in 64bits address mode
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uint64_t *X_FIREWARE_CTRL;
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uint64_t *X_DSDT;
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acpi_address_t X_PM1a_EVT_BLK;
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acpi_address_t X_PM1b_EVT_BLK;
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acpi_address_t X_PM1a_CNT_BLK;
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acpi_address_t X_PM1b_CNT_BLK;
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acpi_address_t X_PM2_CNT_BLK;
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acpi_address_t X_PM_TMR_BLK;
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acpi_address_t X_GPE0_BLK;
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acpi_address_t X_GPE1_BLK;
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acpi_address_t SLEEP_CONTROL_REG;
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acpi_address_t SLEEP_STATUS_REG;
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uint8_t hypervisor_vendor_id;
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} acpi_facp_t;
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#pragma pack(pop)
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#pragma pack(push, 1)
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typedef struct
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{
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uint8_t sign[4]; // string 'APIC'
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uint32_t len;
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uint8_t revision;
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uint8_t chksum;
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uint8_t oemid[6];
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uint8_t oemtableid[8];
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uint8_t oemrevision[4];
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uint8_t create_id[4];
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uint8_t create_revision[4];
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uint32_t local_apic; // local apic address
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uint32_t flags; // flags =1 install DUAL PIC hardware
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} acpi_madt_t;
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#pragma pack(pop)
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#pragma pack(push, 1)
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typedef struct
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{
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uint8_t ioapic_id;
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uint8_t reserved;
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uint32_t ioapic_base; // iobase base
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uint32_t gsi_base;
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} madt_ioapic_entry_t;
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#pragma pack(pop)
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#pragma pack(push, 1)
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typedef struct
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{
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uint8_t bus;
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uint8_t irq;
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uint32_t gsi;
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uint16_t flags;
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} madt_ioapic_int_assert_t;
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#pragma pack(pop)
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#pragma pack(push, 1)
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typedef struct
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{
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uint8_t nmi;
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uint8_t reserved;
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uint16_t flags;
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uint32_t gsi;
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} madt_ioapic_nmi_assert_t;
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#pragma pack(pop)
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typedef enum
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{
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MADT_PROCESSOR_LOCAL_APIC = 0,
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MADT_PRCESSOR_IOAPIC = 1,
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MADT_LOCAL_INT_ASSERT = 2,
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MADT_LOCAL_NMI_ASSERT = 3,
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} madt_entry_t;
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#pragma pack(push, 1)
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typedef struct
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{
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uint8_t ACPI_processorID;
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uint8_t APIC_ID;
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uint32_t flags; // bit0 = processor enabled bit1 = online capable
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} madt_processor_localAPIC_t;
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#pragma pack(pop)
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typedef struct {
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char sign[4];
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uint32_t len;
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char revision;
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char checksum;
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char oemid[6];
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uint64_t oem_table_id;
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uint32_t oem_revision;
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uint32_t creator_id;
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uint32_t creator_revision;
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} __attribute__((packed)) MADT;
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typedef struct {
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uint64_t configurationAndCapability;
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uint64_t comparatorValue;
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uint64_t fsbInterruptRoute;
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uint64_t unused;
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} __attribute__((packed)) HpetTimer;
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typedef struct {
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uint64_t generalCapabilities;
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uint64_t reserved0;
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uint64_t generalConfiguration;
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uint64_t reserved1;
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uint64_t generalIntrruptStatus;
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uint8_t reserved3[0xc8];
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uint64_t mainCounterValue;
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uint64_t reserved4;
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HpetTimer timers[0];
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} __attribute__((packed)) HpetInfo;
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typedef struct {
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uint8_t addressSpaceID;
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uint8_t registerBitWidth;
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uint8_t registerBitOffset;
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uint8_t accessWidth; // acpi 3.0
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uintptr_t address;
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} __attribute__((packed)) AcpiAddress;
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typedef struct {
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uint32_t signature;
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uint32_t length;
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uint8_t revision;
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uint8_t checksum;
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uint8_t oem[6];
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uint8_t oemTableID[8];
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uint32_t oemVersion;
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uint32_t creatorID;
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uint32_t creatorVersion;
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uint8_t hardwareRevision;
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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 legacyReplacement : 1;
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uint16_t pciVendorId;
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AcpiAddress hpetAddress;
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uint8_t hpetNumber;
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uint16_t minimumTick;
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uint8_t pageProtection;
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} __attribute__((packed)) HPET;
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uint8_t *AcpiGetRSDPtr();
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int AcpiCheckHeader(void *ptr, uint8_t *sign);
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uint8_t *AcpiCheckRSDPtr(void *ptr);
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uint32_t AcpiGetMadtBase();
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void power_off();
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void power_reset();
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int acpi_enable();
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int acpi_disable();
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void acpi_install();
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void hpet_initialize();
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uint32_t nanoTime();
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void usleep(uint32_t nano);
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#endif //CRASHPOWEROS_ACPI_H
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