mirror of
https://github.com/RGBCube/serenity
synced 2025-07-25 08:47:35 +00:00
Kernel/Storage: Don't try to enumerate PCI adapters if PCI is disabled
If there's no PCI bus, then it's safe to assume that we run on a x86 machine that has an ISA IDE controller in the system. In such case, we just instantiate a ISAIDEController object that assumes fixed locations of IDE IO ports.
This commit is contained in:
parent
fafa339264
commit
30eeba1981
11 changed files with 283 additions and 142 deletions
44
Kernel/Storage/ATA/ISAIDEController.cpp
Normal file
44
Kernel/Storage/ATA/ISAIDEController.cpp
Normal file
|
@ -0,0 +1,44 @@
|
|||
/*
|
||||
* Copyright (c) 2022, Liav A. <liavalb@hotmail.co.il>
|
||||
*
|
||||
* SPDX-License-Identifier: BSD-2-Clause
|
||||
*/
|
||||
|
||||
#include <AK/OwnPtr.h>
|
||||
#include <AK/RefPtr.h>
|
||||
#include <AK/Types.h>
|
||||
#include <Kernel/Bus/PCI/API.h>
|
||||
#include <Kernel/FileSystem/ProcFS.h>
|
||||
#include <Kernel/Sections.h>
|
||||
#include <Kernel/Storage/ATA/ATADiskDevice.h>
|
||||
#include <Kernel/Storage/ATA/BMIDEChannel.h>
|
||||
#include <Kernel/Storage/ATA/ISAIDEController.h>
|
||||
|
||||
namespace Kernel {
|
||||
|
||||
UNMAP_AFTER_INIT NonnullRefPtr<ISAIDEController> ISAIDEController::initialize()
|
||||
{
|
||||
return adopt_ref(*new ISAIDEController());
|
||||
}
|
||||
|
||||
UNMAP_AFTER_INIT ISAIDEController::ISAIDEController()
|
||||
{
|
||||
initialize_channels();
|
||||
}
|
||||
|
||||
UNMAP_AFTER_INIT void ISAIDEController::initialize_channels()
|
||||
{
|
||||
auto primary_base_io = IOAddress(0x1F0);
|
||||
auto primary_control_io = IOAddress(0x3F6);
|
||||
auto secondary_base_io = IOAddress(0x170);
|
||||
auto secondary_control_io = IOAddress(0x376);
|
||||
|
||||
m_channels.append(IDEChannel::create(*this, { primary_base_io, primary_control_io }, IDEChannel::ChannelType::Primary));
|
||||
m_channels[0].enable_irq();
|
||||
|
||||
m_channels.append(IDEChannel::create(*this, { secondary_base_io, secondary_control_io }, IDEChannel::ChannelType::Secondary));
|
||||
m_channels[1].enable_irq();
|
||||
dbgln("ISA IDE controller detected and initialized");
|
||||
}
|
||||
|
||||
}
|
Loading…
Add table
Add a link
Reference in a new issue