133 lines
2.9 KiB
C
133 lines
2.9 KiB
C
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#ifndef CRASHPOWEROS_ACPI_H
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#define CRASHPOWEROS_ACPI_H
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#include <stdint.h>
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typedef struct RSDPDescriptor RSDPDescriptor;
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typedef struct GenericAddressStructure GenericAddressStructure;
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struct RSDPDescriptor {
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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 Revision;
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uint32_t RsdtAddress;
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} __attribute__ ((packed));
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struct RSDPDescriptor20 {
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struct RSDPDescriptor firstPart;
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uint32_t Length;
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uint64_t XsdtAddress;
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uint8_t ExtendedChecksum;
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uint8_t reserved[3];
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} __attribute__ ((packed));
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struct ACPISDTHeader {
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char 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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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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};
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struct RSDT {
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struct ACPISDTHeader h;
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uint32_t PointerToOtherSDT;
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};
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struct XSDT {
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struct ACPISDTHeader h;
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uint64_t PointerToOtherSDT;
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};
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struct GenericAddressStructure {
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uint8_t AddressSpace;
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uint8_t BitWidth;
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uint8_t BitOffset;
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uint8_t AccessSize;
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uint64_t Address;
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};
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struct FADT {
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struct ACPISDTHeader h;
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uint32_t FirmwareCtrl;
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uint32_t Dsdt;
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uint8_t Reserved;
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uint8_t PreferredPowerManagementProfile;
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uint16_t SCI_Interrupt;
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uint32_t SMI_CommandPort;
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uint8_t AcpiEnable;
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uint8_t AcpiDisable;
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uint8_t S4BIOS_REQ;
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uint8_t PSTATE_Control;
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uint32_t PM1aEventBlock;
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uint32_t PM1bEventBlock;
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uint32_t PM1aControlBlock;
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uint32_t PM1bControlBlock;
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uint32_t PM2ControlBlock;
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uint32_t PMTimerBlock;
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uint32_t GPE0Block;
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uint32_t GPE1Block;
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uint8_t PM1EventLength;
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uint8_t PM1ControlLength;
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uint8_t PM2ControlLength;
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uint8_t PMTimerLength;
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uint8_t GPE0Length;
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uint8_t GPE1Length;
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uint8_t GPE1Base;
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uint8_t CStateControl;
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uint16_t WorstC2Latency;
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uint16_t WorstC3Latency;
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uint16_t FlushSize;
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uint16_t FlushStride;
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uint8_t DutyOffset;
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uint8_t DutyWidth;
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uint8_t DayAlarm;
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uint8_t MonthAlarm;
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uint8_t Century;
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uint16_t BootArchitectureFlags;
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uint8_t Reserved2;
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uint32_t Flags;
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GenericAddressStructure ResetReg;
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uint8_t ResetValue;
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uint8_t Reserved3[3];
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uint64_t X_FirmwareControl;
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uint64_t X_Dsdt;
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GenericAddressStructure X_PM1aEventBlock;
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GenericAddressStructure X_PM1bEventBlock;
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GenericAddressStructure X_PM1aControlBlock;
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GenericAddressStructure X_PM1bControlBlock;
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GenericAddressStructure X_PM2ControlBlock;
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GenericAddressStructure X_PMTimerBlock;
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GenericAddressStructure X_GPE0Block;
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GenericAddressStructure X_GPE1Block;
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};
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struct DSDT_vals {
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int length;
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void *S5_object;
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};
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void *findRSDP();
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int acpi_check_hdr(uint8_t *table, const char *sig, int n);
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void parse_dsdt();
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void parse_acpi(void *mem);
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void parse_acpi20(void *mem);
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void acpi_enable();
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void init_acpi();
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#endif //CRASHPOWEROS_ACPI_H
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