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Serenity Operating System
1/*
2 * Copyright (c) 2020, Liav A. <liavalb@hotmail.co.il>
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions are met:
7 *
8 * 1. Redistributions of source code must retain the above copyright notice, this
9 * list of conditions and the following disclaimer.
10 *
11 * 2. Redistributions in binary form must reproduce the above copyright notice,
12 * this list of conditions and the following disclaimer in the documentation
13 * and/or other materials provided with the distribution.
14 *
15 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
16 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
17 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
18 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
19 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
20 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
21 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
22 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
23 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
24 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
25 */
26
27#pragma once
28
29#include <AK/RefPtr.h>
30#include <Kernel/ACPI/Parser.h>
31#include <Kernel/Interrupts/IRQHandler.h>
32#include <Kernel/Lock.h>
33#include <Kernel/VM/PhysicalPage.h>
34#include <LibBareMetal/Memory/PhysicalAddress.h>
35
36namespace Kernel {
37namespace ACPI {
38
39class DynamicParser final
40 : public IRQHandler
41 , public Parser {
42 friend class Parser;
43
44public:
45 virtual void enable_aml_interpretation() override;
46 virtual void enable_aml_interpretation(File& dsdt_file) override;
47 virtual void enable_aml_interpretation(u8* physical_dsdt, u32 dsdt_payload_legnth) override;
48 virtual void disable_aml_interpretation() override;
49 virtual void try_acpi_shutdown() override;
50 virtual bool can_shutdown() override { return true; }
51 virtual const char* purpose() const override { return "ACPI Parser"; }
52
53protected:
54 explicit DynamicParser(PhysicalAddress rsdp);
55
56private:
57 void build_namespace();
58 // ^IRQHandler
59 virtual void handle_irq(const RegisterState&) override;
60
61 OwnPtr<Region> m_acpi_namespace;
62};
63}
64}