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Kernel: Add more structures to ACPI

This commit is contained in:
Bananymous 2023-08-04 15:13:47 +03:00
parent 3c31fc9c4b
commit aa0929614a
1 changed files with 23 additions and 0 deletions
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23
kernel/include/kernel/ACPI.h
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@ -9,6 +9,15 @@ namespace Kernel
class ACPI class ACPI
{ {
public: 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 struct SDTHeader
{ {
uint8_t signature[4]; uint8_t signature[4];
@ -81,6 +90,20 @@ namespace Kernel
uint64_t hypervison_vendor_identity; uint64_t hypervison_vendor_identity;
} __attribute__((packed)); } __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: public:
static BAN::ErrorOr<void> initialize(); static BAN::ErrorOr<void> initialize();
static ACPI& get(); static ACPI& get();