77 lines
1.6 KiB
C++
77 lines
1.6 KiB
C++
#pragma once
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#include <BAN/Vector.h>
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#include <kernel/ACPI/AML/Namespace.h>
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#include <kernel/ACPI/Headers.h>
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#include <kernel/Memory/Types.h>
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#include <kernel/ThreadBlocker.h>
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namespace Kernel::ACPI
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{
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class ACPI : public Interruptable
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{
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public:
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static BAN::ErrorOr<void> initialize();
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static ACPI& get();
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static void acquire_global_lock();
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static void release_global_lock();
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bool hardware_reduced() const { return m_hardware_reduced; }
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const SDTHeader* get_header(BAN::StringView signature, uint32_t index);
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// mode
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// 0: PIC
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// 1: APIC
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// 2: SAPIC
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BAN::ErrorOr<void> enter_acpi_mode(uint8_t mode);
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BAN::ErrorOr<void> initialize_acpi_devices();
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AML::Namespace* acpi_namespace() { return m_namespace; }
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BAN::ErrorOr<void> poweroff();
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BAN::ErrorOr<void> reset();
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void handle_irq() override;
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private:
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ACPI() = default;
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BAN::ErrorOr<void> initialize_impl();
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FADT& fadt() { return *m_fadt; }
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BAN::ErrorOr<void> prepare_sleep(uint8_t sleep_state);
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void acpi_event_task();
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BAN::ErrorOr<void> load_aml_tables(BAN::StringView name, bool all);
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private:
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paddr_t m_header_table_paddr = 0;
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vaddr_t m_header_table_vaddr = 0;
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uint32_t m_entry_size = 0;
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struct MappedPage
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{
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Kernel::paddr_t paddr;
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Kernel::vaddr_t vaddr;
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SDTHeader* as_header() { return (SDTHeader*)vaddr; }
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};
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BAN::Vector<MappedPage> m_mapped_headers;
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FADT* m_fadt { nullptr };
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ThreadBlocker m_event_thread_blocker;
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AML::Scope m_gpe_scope;
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BAN::Array<AML::Reference*, 0xFF> m_gpe_methods { nullptr };
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bool m_hardware_reduced { false };
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AML::Namespace* m_namespace { nullptr };
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};
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}
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