1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
|
/*
* Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice, this
* list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#pragma once
#include <ACPI/ACPIParser.h>
#include <AK/OwnPtr.h>
namespace Kernel {
class ACPIStaticParser : ACPIParser {
public:
static void initialize(ACPI_RAW::RSDPDescriptor20& rsdp);
static void initialize_without_rsdp();
static bool is_initialized();
virtual ACPI_RAW::SDTHeader* find_table(const char* sig) override;
virtual void do_acpi_reboot() override;
virtual void do_acpi_shutdown() override;
virtual bool is_operable() override { return m_operable; }
protected:
ACPIStaticParser();
explicit ACPIStaticParser(ACPI_RAW::RSDPDescriptor20&);
private:
void locate_static_data();
void locate_all_aml_tables();
void locate_main_system_description_table();
void initialize_main_system_description_table();
size_t get_table_size(ACPI_RAW::SDTHeader&);
u8 get_table_revision(ACPI_RAW::SDTHeader&);
void init_fadt();
ACPI_RAW::RSDPDescriptor20* search_rsdp_in_ebda(u16 ebda_segment);
ACPI_RAW::RSDPDescriptor20* search_rsdp_in_bios_area();
ACPI_RAW::RSDPDescriptor20* search_rsdp();
// Early pointers that are needed really for initializtion only...
ACPI_RAW::RSDPDescriptor20* m_rsdp;
ACPI_RAW::SDTHeader* m_main_system_description_table;
OwnPtr<ACPI::MainSystemDescriptionTable> m_main_sdt;
OwnPtr<ACPI::FixedACPIData> m_fadt;
Vector<ACPI_RAW::SDTHeader*> m_aml_tables_ptrs;
bool m_xsdt_supported;
};
}
|
