mirror of
https://github.com/RGBCube/serenity
synced 2025-10-31 18:42:43 +00:00
55 lines
1.7 KiB
C++
55 lines
1.7 KiB
C++
/*
|
|
* Copyright (c) 2020-2021, Liav A. <liavalb@hotmail.co.il>
|
|
*
|
|
* SPDX-License-Identifier: BSD-2-Clause
|
|
*/
|
|
|
|
#pragma once
|
|
|
|
#include <AK/HashMap.h>
|
|
#include <AK/NonnullOwnPtrVector.h>
|
|
#include <AK/OwnPtr.h>
|
|
#include <AK/Types.h>
|
|
#include <Kernel/ACPI/Definitions.h>
|
|
#include <Kernel/Bus/PCI/Access.h>
|
|
#include <Kernel/Bus/PCI/MMIOAccess.h>
|
|
#include <Kernel/VM/AnonymousVMObject.h>
|
|
#include <Kernel/VM/PhysicalRegion.h>
|
|
#include <Kernel/VM/Region.h>
|
|
#include <Kernel/VM/VMObject.h>
|
|
|
|
namespace Kernel {
|
|
namespace PCI {
|
|
|
|
class DeviceConfigurationSpaceMapping {
|
|
public:
|
|
DeviceConfigurationSpaceMapping(Address, const MMIOAccess::MMIOSegment&);
|
|
VirtualAddress vaddr() const { return m_mapped_region->vaddr(); };
|
|
PhysicalAddress paddr() const { return m_mapped_region->physical_page(0)->paddr(); }
|
|
const Address& address() const { return m_device_address; };
|
|
|
|
private:
|
|
Address m_device_address;
|
|
NonnullOwnPtr<Region> m_mapped_region;
|
|
};
|
|
|
|
class WindowedMMIOAccess final : public MMIOAccess {
|
|
public:
|
|
static void initialize(PhysicalAddress mcfg);
|
|
|
|
private:
|
|
explicit WindowedMMIOAccess(PhysicalAddress mcfg);
|
|
virtual const char* access_type() const override { return "WindowedMMIOAccess"; };
|
|
virtual void write8_field(Address address, u32, u8) override;
|
|
virtual void write16_field(Address address, u32, u16) override;
|
|
virtual void write32_field(Address address, u32, u32) override;
|
|
virtual u8 read8_field(Address address, u32) override;
|
|
virtual u16 read16_field(Address address, u32) override;
|
|
virtual u32 read32_field(Address address, u32) override;
|
|
|
|
Optional<VirtualAddress> get_device_configuration_space(Address address);
|
|
NonnullOwnPtrVector<DeviceConfigurationSpaceMapping> m_mapped_device_regions;
|
|
};
|
|
|
|
}
|
|
}
|