diff options
Diffstat (limited to 'Kernel/ACPI/Definitions.h')
| -rw-r--r-- | Kernel/ACPI/Definitions.h | 262 |
1 files changed, 262 insertions, 0 deletions
diff --git a/Kernel/ACPI/Definitions.h b/Kernel/ACPI/Definitions.h new file mode 100644 index 0000000000..483ea7d8d2 --- /dev/null +++ b/Kernel/ACPI/Definitions.h @@ -0,0 +1,262 @@ +#pragma once + +#include <AK/RefCounted.h> +#include <AK/Types.h> +#include <AK/Vector.h> + +namespace ACPI_RAW { + +struct RSDPDescriptor { + char sig[8]; + u8 checksum; + char oem_id[6]; + u8 revision; + u32 rsdt_ptr; +} __attribute__((__packed__)); + +struct RSDPDescriptor20 { + RSDPDescriptor base; + u32 length; + u64 xsdt_ptr; + u8 ext_checksum; + u8 reserved[3]; +} __attribute__((__packed__)); + +struct SDTHeader { + char sig[4]; + u32 length; + u8 revision; + u8 checksum; + char oem_id[6]; + char oem_table_id[8]; + u32 oem_revision; + u32 creator_id; + u32 creator_revision; +} __attribute__((__packed__)); + +struct RSDT { + SDTHeader h; + u32 table_ptrs[1]; +} __attribute__((__packed__)); + +struct XSDT { + SDTHeader h; + u64 table_ptrs[1]; +} __attribute__((__packed__)); + +struct GenericAddressStructure { + u8 address_space; + u8 bit_width; + u8 bit_offset; + u8 access_size; + u64 address; +} __attribute__((__packed__)); + +struct FADT { + SDTHeader h; + u32 firmware_ctrl; + u32 dsdt_ptr; + u8 reserved; + u8 preferred_pm_profile; + u16 sci_int; + u32 smi_cmd; + u8 acpi_enable_value; + u8 acpi_disable_value; + u8 s4bios_req; + u8 pstate_cnt; + u32 PM1a_EVT_BLK; + u32 PM1b_EVT_BLK; + u32 PM1a_CNT_BLK; + u32 PM1b_CNT_BLK; + u32 PM2_CNT_BLK; + u32 PM_TMR_BLK; + u32 GPE0_BLK; + u32 GPE1_BLK; + u8 PM1_EVT_LEN; + u8 PM1_CNT_LEN; + u8 PM2_CNT_LEN; + u8 PM_TMR_LEN; + u8 GPE0_BLK_LEN; + u8 GPE1_BLK_LEN; + u8 GPE1_BASE; + u8 cst_cnt; + u16 P_LVL2_LAT; + u16 P_LVL3_LAT; + u16 flush_size; + u16 flush_stride; + u8 duty_offset; + u8 duty_width; + u8 day_alrm; + u8 mon_alrm; + u8 century; + u16 ia_pc_boot_arch_flags; + u8 reserved2; + u32 flags; + GenericAddressStructure reset_reg; + u8 reset_value; + u16 arm_boot_arch; + u8 fadt_minor_version; + u64 x_firmware_ctrl; + u64 x_dsdt; + GenericAddressStructure x_pm1a_evt_blk; + GenericAddressStructure x_pm1b_evt_blk; + GenericAddressStructure x_pm1a_cnt_blk; + GenericAddressStructure x_pm1b_cnt_blk; + GenericAddressStructure x_pm2_cnt_blk; + GenericAddressStructure x_pm_tmr_blk; + GenericAddressStructure x_gpe0_blk; + GenericAddressStructure x_gpe1_blk; + GenericAddressStructure sleep_control; + GenericAddressStructure sleep_status; + u64 hypervisor_vendor_identity; + +} __attribute__((__packed__)); + +struct MADT : public SDTHeader { +}; + +struct DSDT : public SDTHeader { +}; + +struct PCI_MMIO_Descriptor { + u64 base_addr; + u16 seg_group_number; + u8 start_pci_bus; + u8 end_pci_bus; + u32 reserved; +} __attribute__((__packed__)); + +struct MCFG { + SDTHeader header; + u64 reserved; + PCI_MMIO_Descriptor descriptors[]; +} __attribute__((__packed__)); +} + +class ACPIStaticParser; + +namespace ACPI { + +class SDT : public RefCounted<SDT> { +}; + +struct GenericAddressStructure { + u8 address_space; + u8 bit_width; + u8 bit_offset; + u8 access_size; + u64 address; + GenericAddressStructure& operator=(const GenericAddressStructure& other) + { + this->address_space = other.address_space; + this->bit_width = other.bit_width; + this->bit_offset = other.bit_offset; + this->access_size = other.access_size; + this->address = (u32)other.address; + return *this; + } + GenericAddressStructure& operator=(const ACPI_RAW::GenericAddressStructure& other) + { + this->address_space = other.address_space; + this->bit_width = other.bit_width; + this->bit_offset = other.bit_offset; + this->access_size = other.access_size; + this->address = (u32)other.address; + return *this; + } +}; + +class FixedACPIData; +} + +class ACPI::FixedACPIData : public ACPI::SDT { + friend ACPIStaticParser; + +public: + explicit FixedACPIData(ACPI_RAW::FADT&); + ACPI_RAW::SDTHeader* get_dsdt(); + +private: + u8 m_revision; + u32 m_dsdt_ptr; + u64 m_x_dsdt_ptr; + u8 m_preferred_pm_profile; + u16 m_sci_int; + u32 m_smi_cmd; + u8 m_acpi_enable_value; + u8 m_acpi_disable_value; + u8 m_s4bios_req; + u8 m_pstate_cnt; + u32 m_PM1a_EVT_BLK; + u32 m_PM1b_EVT_BLK; + u32 m_PM1a_CNT_BLK; + u32 m_PM1b_CNT_BLK; + u32 m_PM2_CNT_BLK; + u32 m_PM_TMR_BLK; + u32 m_GPE0_BLK; + u32 m_GPE1_BLK; + u8 m_PM1_EVT_LEN; + u8 m_PM1_CNT_LEN; + u8 m_PM2_CNT_LEN; + u8 m_PM_TMR_LEN; + u8 m_GPE0_BLK_LEN; + u8 m_GPE1_BLK_LEN; + u8 m_GPE1_BASE; + u8 m_cst_cnt; + u16 m_P_LVL2_LAT; + u16 m_P_LVL3_LAT; + u16 m_flush_size; + u16 m_flush_stride; + u8 m_duty_offset; + u8 m_duty_width; + u8 m_day_alrm; + u8 m_mon_alrm; + u8 m_century; + u16 m_ia_pc_boot_arch_flags; + u32 m_flags; + ACPI::GenericAddressStructure m_reset_reg; + u8 m_reset_value; + ACPI::GenericAddressStructure m_x_pm1a_evt_blk; + ACPI::GenericAddressStructure m_x_pm1b_evt_blk; + ACPI::GenericAddressStructure m_x_pm1a_cnt_blk; + ACPI::GenericAddressStructure m_x_pm1b_cnt_blk; + ACPI::GenericAddressStructure m_x_pm2_cnt_blk; + ACPI::GenericAddressStructure m_x_pm_tmr_blk; + ACPI::GenericAddressStructure m_x_gpe0_blk; + ACPI::GenericAddressStructure m_x_gpe1_blk; + ACPI::GenericAddressStructure m_sleep_control; + ACPI::GenericAddressStructure m_sleep_status; + u64 m_hypervisor_vendor_identity; +}; + +namespace ACPI { + +class MainSystemDescriptionTable : public SDT { +public: + explicit MainSystemDescriptionTable(Vector<ACPI_RAW::SDTHeader*>&& sdt_pointers); + Vector<ACPI_RAW::SDTHeader*>& get_sdt_pointers(); + +private: + Vector<ACPI_RAW::SDTHeader*> m_sdt_pointers; +}; + +class MCFG : public SDT { +public: + MCFG(ACPI_RAW::MCFG&); +}; + +class FACS : public SDT { + +public: +private: + u32 hardware_sig; + u32 waking_vector; + u32 global_lock; + u32 flags; + u64 x_waking_vector; + u32 ospm_flags; +}; + +class MADT : public SDT { +}; +} |