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Kernel: Move ACPI to its own directory and namespace

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Bananymous
2024-04-04 14:14:28 +03:00
parent 7d34bd8f82
commit e0011d22f2
10 changed files with 170 additions and 161 deletions
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144
kernel/include/kernel/ACPI.h
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@@ -1,144 +0,0 @@
#pragma once
#include <BAN/Vector.h>
#include <kernel/Memory/Types.h>
namespace Kernel
{
class ACPI
{
public:
struct GAS
{
uint8_t address_space_id;
uint8_t register_bit_width;
uint8_t register_bit_offset;
uint8_t access_size;
uint64_t address;
} __attribute__((packed));
struct SDTHeader
{
uint8_t signature[4];
uint32_t length;
uint8_t revision;
uint8_t checksum;
uint8_t oemid[6];
uint64_t oem_table_id;
uint32_t oem_revision;
uint32_t creator_id;
uint32_t creator_revision;
} __attribute__((packed));
struct FADT : public SDTHeader
{
uint32_t firmware_ctrl;
uint32_t dsdt;
uint8_t __reserved;
uint8_t preferred_pm_profile;
uint16_t sci_int;
uint32_t smi_cmd;
uint8_t acpi_enable;
uint8_t acpi_disable;
uint8_t s4bios_req;
uint8_t pstate_cnt;
uint32_t pm1a_evt_blk;
uint32_t pm1b_evt_blk;
uint32_t pm1a_cnt_blk;
uint32_t pm1b_cnt_blk;
uint32_t pm2_cnt_blk;
uint32_t pm_tmr_blk;
uint32_t gpe0_blk;
uint32_t gpe1_blk;
uint8_t pm1_evt_len;
uint8_t pm1_cnt_len;
uint8_t pm2_cnt_len;
uint8_t pm_tmr_len;
uint8_t gpe0_blk_len;
uint8_t gpe1_blk_len;
uint8_t gpe1_base;
uint8_t cst_cnt;
uint16_t p_lvl2_lat;
uint16_t p_lvl3_lat;
uint16_t flush_size;
uint16_t flush_stride;
uint8_t duty_offset;
uint8_t duty_width;
uint8_t day_alrm;
uint8_t mon_alrm;
uint8_t century;
uint16_t iapc_boot_arch;
uint8_t __reserved2;
uint32_t flags;
uint8_t reset_reg[12];
uint8_t reset_value;
uint16_t arm_boot_arch;
uint8_t fadt_minor_version;
uint64_t x_firmware_version;
uint64_t x_dsdt;
uint8_t x_pm1a_evt_blk[12];
uint8_t x_pm1b_evt_blk[12];
uint8_t x_pm1a_cnt_blk[12];
uint8_t x_pm1b_cnt_blk[12];
uint8_t x_pm2_cnt_blk[12];
uint8_t x_pm_tmr_blk[12];
uint8_t x_gpe0_blk[12];
uint8_t x_gpe1_blk[12];
uint8_t sleep_control_reg[12];
uint8_t sleep_status_reg[12];
uint64_t hypervison_vendor_identity;
} __attribute__((packed));
struct HPET : public SDTHeader
{
uint8_t hardware_rev_id;
uint8_t comparator_count : 5;
uint8_t count_size_cap : 1;
uint8_t reserved : 1;
uint8_t legacy_replacement_irq_routing_cable : 1;
uint16_t pci_vendor_id;
GAS base_address;
uint8_t hpet_number;
uint16_t main_counter_minimum_clock_tick;
uint8_t page_protection_and_oem_attribute;
} __attribute__((packed));
public:
static BAN::ErrorOr<void> initialize();
static ACPI& get();
const SDTHeader* get_header(BAN::StringView signature, uint32_t index);
private:
ACPI() = default;
BAN::ErrorOr<void> initialize_impl();
private:
paddr_t m_header_table_paddr = 0;
vaddr_t m_header_table_vaddr = 0;
uint32_t m_entry_size = 0;
struct MappedPage
{
Kernel::paddr_t paddr;
Kernel::vaddr_t vaddr;
SDTHeader* as_header() { return (SDTHeader*)vaddr; }
};
BAN::Vector<MappedPage> m_mapped_headers;
};
}
namespace BAN::Formatter
{
template<typename F>
void print_argument(F putc, const Kernel::ACPI::SDTHeader& header, const ValueFormat& format)
{
putc(header.signature[0]);
putc(header.signature[1]);
putc(header.signature[2]);
putc(header.signature[3]);
}
}

38
kernel/include/kernel/ACPI/ACPI.h Normal file
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@@ -0,0 +1,38 @@
#pragma once
#include <BAN/Vector.h>
#include <kernel/ACPI/AML.h>
#include <kernel/ACPI/Headers.h>
#include <kernel/Memory/Types.h>
namespace Kernel::ACPI
{
class ACPI
{
public:
static BAN::ErrorOr<void> initialize();
static ACPI& get();
const SDTHeader* get_header(BAN::StringView signature, uint32_t index);
private:
ACPI() = default;
BAN::ErrorOr<void> initialize_impl();
private:
paddr_t m_header_table_paddr = 0;
vaddr_t m_header_table_vaddr = 0;
uint32_t m_entry_size = 0;
struct MappedPage
{
Kernel::paddr_t paddr;
Kernel::vaddr_t vaddr;
SDTHeader* as_header() { return (SDTHeader*)vaddr; }
};
BAN::Vector<MappedPage> m_mapped_headers;
};
}

115
kernel/include/kernel/ACPI/Headers.h Normal file
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@@ -0,0 +1,115 @@
#pragma once
#include <stdint.h>
namespace Kernel::ACPI
{
struct GAS
{
uint8_t address_space_id;
uint8_t register_bit_width;
uint8_t register_bit_offset;
uint8_t access_size;
uint64_t address;
} __attribute__((packed));
struct SDTHeader
{
uint8_t signature[4];
uint32_t length;
uint8_t revision;
uint8_t checksum;
uint8_t oemid[6];
uint64_t oem_table_id;
uint32_t oem_revision;
uint32_t creator_id;
uint32_t creator_revision;
} __attribute__((packed));
struct FADT : public SDTHeader
{
uint32_t firmware_ctrl;
uint32_t dsdt;
uint8_t __reserved;
uint8_t preferred_pm_profile;
uint16_t sci_int;
uint32_t smi_cmd;
uint8_t acpi_enable;
uint8_t acpi_disable;
uint8_t s4bios_req;
uint8_t pstate_cnt;
uint32_t pm1a_evt_blk;
uint32_t pm1b_evt_blk;
uint32_t pm1a_cnt_blk;
uint32_t pm1b_cnt_blk;
uint32_t pm2_cnt_blk;
uint32_t pm_tmr_blk;
uint32_t gpe0_blk;
uint32_t gpe1_blk;
uint8_t pm1_evt_len;
uint8_t pm1_cnt_len;
uint8_t pm2_cnt_len;
uint8_t pm_tmr_len;
uint8_t gpe0_blk_len;
uint8_t gpe1_blk_len;
uint8_t gpe1_base;
uint8_t cst_cnt;
uint16_t p_lvl2_lat;
uint16_t p_lvl3_lat;
uint16_t flush_size;
uint16_t flush_stride;
uint8_t duty_offset;
uint8_t duty_width;
uint8_t day_alrm;
uint8_t mon_alrm;
uint8_t century;
uint16_t iapc_boot_arch;
uint8_t __reserved2;
uint32_t flags;
uint8_t reset_reg[12];
uint8_t reset_value;
uint16_t arm_boot_arch;
uint8_t fadt_minor_version;
uint64_t x_firmware_version;
uint64_t x_dsdt;
uint8_t x_pm1a_evt_blk[12];
uint8_t x_pm1b_evt_blk[12];
uint8_t x_pm1a_cnt_blk[12];
uint8_t x_pm1b_cnt_blk[12];
uint8_t x_pm2_cnt_blk[12];
uint8_t x_pm_tmr_blk[12];
uint8_t x_gpe0_blk[12];
uint8_t x_gpe1_blk[12];
uint8_t sleep_control_reg[12];
uint8_t sleep_status_reg[12];
uint64_t hypervison_vendor_identity;
} __attribute__((packed));
struct HPET : public SDTHeader
{
uint8_t hardware_rev_id;
uint8_t comparator_count : 5;
uint8_t count_size_cap : 1;
uint8_t reserved : 1;
uint8_t legacy_replacement_irq_routing_cable : 1;
uint16_t pci_vendor_id;
GAS base_address;
uint8_t hpet_number;
uint16_t main_counter_minimum_clock_tick;
uint8_t page_protection_and_oem_attribute;
} __attribute__((packed));
}
namespace BAN::Formatter
{
template<typename F>
void print_argument(F putc, const Kernel::ACPI::SDTHeader& header, const struct ValueFormat&)
{
putc(header.signature[0]);
putc(header.signature[1]);
putc(header.signature[2]);
putc(header.signature[3]);
}
}