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Kernel: Move ACPI initialization from init.cpp to ACPI::initialize()

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This commit is contained in:
Andreas Kling 2020-04-09 13:39:10 +02:00
parent f25d2f5518
commit 95e44a33c1
Notes: sideshowbarker 2024-07-19 07:47:03 +09:00 
Author: https://github.com/awesomekling
Commit: https://github.com/SerenityOS/serenity/commit/95e44a33c14
4 changed files with 104 additions and 26 deletions
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66
Kernel/ACPI/Initialize.cpp Normal file
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@ -0,0 +1,66 @@
/*
* Copyright (c) 2020, Liav A. <liavalb@hotmail.co.il>
* Copyright (c) 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.
*/
#include <Kernel/ACPI/ACPIDynamicParser.h>
#include <Kernel/CommandLine.h>
namespace Kernel {
namespace ACPI {
enum class FeatureLevel {
Enabled,
Limited,
Disabled,
};
static FeatureLevel determine_feature_level()
{
auto value = kernel_command_line().lookup("acpi").value_or("on");
if (value == "limited")
return FeatureLevel::Limited;
if (value == "off")
return FeatureLevel::Disabled;
return FeatureLevel::Enabled;
}
void initialize()
{
switch (determine_feature_level()) {
case FeatureLevel::Enabled:
ACPI::DynamicParser::initialize_without_rsdp();
break;
case FeatureLevel::Limited:
ACPI::StaticParser::initialize_without_rsdp();
break;
case FeatureLevel::Disabled:
ACPI::Parser::initialize_limited();
break;
}
}
}
}

35
Kernel/ACPI/Initialize.h Normal file
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@ -0,0 +1,35 @@
/*
* Copyright (c) 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
namespace Kernel {
namespace ACPI {
void initialize();
}
}

1
Kernel/Makefile
View file

@ -125,6 +125,7 @@ OBJS = \
ACPI/ACPIStaticParser.o \
ACPI/ACPIDynamicParser.o \
ACPI/DMIDecoder.o \
ACPI/Initialize.o \
ACPI/MultiProcessorParser.o \
WaitQueue.o \
init.o

28
Kernel/init.cpp
View file

@ -28,6 +28,7 @@
#include <Kernel/ACPI/ACPIDynamicParser.h>
#include <Kernel/ACPI/ACPIStaticParser.h>
#include <Kernel/ACPI/DMIDecoder.h>
#include <Kernel/ACPI/Initialize.h>
#include <Kernel/ACPI/MultiProcessorParser.h>
#include <Kernel/Arch/i386/CPU.h>
#include <Kernel/CMOS.h>
@ -85,7 +86,6 @@ namespace Kernel {
[[noreturn]] static void init_stage2();
static void setup_serial_debug();
static void setup_acpi();
static void setup_interrupts();
static void setup_time_management();
@ -123,7 +123,7 @@ extern "C" [[noreturn]] void init()
(*ctor)();
setup_interrupts();
setup_acpi();
ACPI::initialize();
new VFS;
new KeyboardDevice;
@ -362,30 +362,6 @@ extern "C" int __cxa_atexit(void (*)(void*), void*, void*)
return 0;
}
void setup_acpi()
{
if (!kernel_command_line().contains("acpi")) {
ACPI::DynamicParser::initialize_without_rsdp();
return;
}
auto acpi = kernel_command_line().get("acpi");
if (acpi == "off") {
ACPI::Parser::initialize_limited();
return;
}
if (acpi == "on") {
ACPI::DynamicParser::initialize_without_rsdp();
return;
}
if (acpi == "limited") {
ACPI::StaticParser::initialize_without_rsdp();
return;
}
klog() << "acpi boot argmuent has an invalid value.";
hang();
}
void setup_interrupts()
{
InterruptManagement::initialize();