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Serenity Operating System
1/*
2 * Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
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#include <Kernel/ACPI/ACPIParser.h>
28
29namespace Kernel {
30
31static ACPIParser* s_acpi_parser;
32
33ACPIParser& ACPIParser::the()
34{
35 ASSERT(s_acpi_parser != nullptr);
36 return *s_acpi_parser;
37}
38
39void ACPIParser::initialize_limited()
40{
41 if (!ACPIParser::is_initialized()) {
42 s_acpi_parser = new ACPIParser(false);
43 }
44}
45
46bool ACPIParser::is_initialized()
47{
48 return (s_acpi_parser != nullptr);
49}
50
51ACPIParser::ACPIParser(bool usable)
52{
53 if (usable) {
54 kprintf("ACPI: Setting up a functional parser\n");
55 } else {
56 kprintf("ACPI: Limited Initialization. Vital functions are disabled by a request\n");
57 }
58 s_acpi_parser = this;
59}
60
61PhysicalAddress ACPIParser::find_table(const char*)
62{
63 kprintf("ACPI: Requested to search for a table, Abort!\n");
64 return {};
65}
66
67void ACPIParser::do_acpi_reboot()
68{
69 kprintf("ACPI: Cannot invoke reboot!\n");
70 ASSERT_NOT_REACHED();
71}
72
73void ACPIParser::do_acpi_shutdown()
74{
75 kprintf("ACPI: Cannot invoke shutdown!\n");
76 ASSERT_NOT_REACHED();
77}
78
79void ACPIParser::enable_aml_interpretation()
80{
81 kprintf("ACPI: No AML Interpretation Allowed\n");
82 ASSERT_NOT_REACHED();
83}
84void ACPIParser::enable_aml_interpretation(File&)
85{
86 kprintf("ACPI: No AML Interpretation Allowed\n");
87 ASSERT_NOT_REACHED();
88}
89void ACPIParser::enable_aml_interpretation(u8*, u32)
90{
91 kprintf("ACPI: No AML Interpretation Allowed\n");
92 ASSERT_NOT_REACHED();
93}
94void ACPIParser::disable_aml_interpretation()
95{
96 kprintf("ACPI Limited: No AML Interpretation Allowed\n");
97 ASSERT_NOT_REACHED();
98}
99bool ACPIParser::is_operable()
100{
101 return false;
102}
103
104}