151 lines
3.2 KiB
C++
151 lines
3.2 KiB
C++
#pragma once
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#include <stdint.h>
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namespace Kernel::ACPI
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{
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struct GAS
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{
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enum class AddressSpaceID : uint8_t
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{
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SystemMemory = 0x00,
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SystemIO = 0x01,
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PCIConfig = 0x02,
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EmbeddedController = 0x03,
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SMBus = 0x04,
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SystemCMOS = 0x05,
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PCIBarTarget = 0x06,
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IPMI = 0x07,
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GeneralPurposeIO = 0x08,
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GenericSerialBus = 0x09,
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PlatformCommunicationChannel = 0x0A,
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};
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BAN::Optional<uint64_t> read();
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bool write(uint64_t value);
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AddressSpaceID address_space_id;
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uint8_t register_bit_width;
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uint8_t register_bit_offset;
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uint8_t access_size;
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uint64_t address;
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} __attribute__((packed));
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static_assert(sizeof(GAS) == 12);
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struct SDTHeader
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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 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));
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struct FADT : public SDTHeader
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{
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uint32_t firmware_ctrl;
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uint32_t dsdt;
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uint8_t __reserved;
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uint8_t preferred_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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uint16_t iapc_boot_arch;
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uint8_t __reserved2;
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uint32_t flags;
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GAS 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_minor_version;
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uint64_t x_firmware_ctrl;
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uint64_t x_dsdt;
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uint8_t x_pm1a_evt_blk[12];
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uint8_t x_pm1b_evt_blk[12];
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uint8_t x_pm1a_cnt_blk[12];
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uint8_t x_pm1b_cnt_blk[12];
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uint8_t x_pm2_cnt_blk[12];
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uint8_t x_pm_tmr_blk[12];
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uint8_t x_gpe0_blk[12];
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uint8_t x_gpe1_blk[12];
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uint8_t sleep_control_reg[12];
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uint8_t sleep_status_reg[12];
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uint64_t hypervison_vendor_identity;
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} __attribute__((packed));
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struct HPET : public SDTHeader
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{
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uint8_t hardware_rev_id;
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uint8_t comparator_count : 5;
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uint8_t count_size_cap : 1;
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uint8_t reserved : 1;
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uint8_t legacy_replacement_irq_routing_cable : 1;
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uint16_t pci_vendor_id;
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GAS base_address;
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uint8_t hpet_number;
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uint16_t main_counter_minimum_clock_tick;
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uint8_t page_protection_and_oem_attribute;
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} __attribute__((packed));
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struct FACS
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{
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uint8_t signature[4];
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uint32_t length;
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uint32_t hardware_signature;
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uint32_t firmware_waking_vector;
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uint32_t global_lock;
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uint32_t flags;
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uint64_t x_firmware_waking_vector;
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uint8_t version;
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uint8_t reserved[3];
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uint32_t ospm_flags;
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uint8_t reserved2[24];
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};
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static_assert(sizeof(FACS) == 64);
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}
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namespace BAN::Formatter
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{
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template<typename F>
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void print_argument(F putc, const Kernel::ACPI::SDTHeader& header, const struct ValueFormat&)
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{
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putc(header.signature[0]);
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putc(header.signature[1]);
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putc(header.signature[2]);
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putc(header.signature[3]);
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}
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}
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