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Kernel: Reorganize Arch/x86 directory to Arch/x86_64 after i686 removal

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No functional change.
This commit is contained in:
Liav A 2022-10-04 13:46:11 +03:00 • committed by Andreas Kling
parent 5ff318cf3a
commit 91db482ad3
129 changed files with 482 additions and 1116 deletions
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62
Kernel/Arch/x86_64/PCI/Controller/HostBridge.cpp Normal file
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/*
* Copyright (c) 2022, Liav A. <liavalb@hotmail.co.il>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#include <Kernel/Arch/x86_64/IO.h>
#include <Kernel/Arch/x86_64/PCI/Controller/HostBridge.h>
#include <Kernel/Bus/PCI/Access.h>
#include <Kernel/Sections.h>
namespace Kernel::PCI {
NonnullOwnPtr<HostBridge> HostBridge::must_create_with_io_access()
{
PCI::Domain domain { 0, 0, 0xff };
return adopt_own_if_nonnull(new (nothrow) HostBridge(domain)).release_nonnull();
}
HostBridge::HostBridge(PCI::Domain const& domain)
: HostController(domain)
{
}
static u32 io_address_for_pci_field(BusNumber bus, DeviceNumber device, FunctionNumber function, u8 field)
{
return 0x80000000u | (bus.value() << 16u) | (device.value() << 11u) | (function.value() << 8u) | (field & 0xfc);
}
void HostBridge::write8_field(BusNumber bus, DeviceNumber device, FunctionNumber function, u32 field, u8 value)
{
IO::out32(PCI::address_port, io_address_for_pci_field(bus, device, function, field));
IO::out8(PCI::value_port + (field & 3), value);
}
void HostBridge::write16_field(BusNumber bus, DeviceNumber device, FunctionNumber function, u32 field, u16 value)
{
IO::out32(PCI::address_port, io_address_for_pci_field(bus, device, function, field));
IO::out16(PCI::value_port + (field & 2), value);
}
void HostBridge::write32_field(BusNumber bus, DeviceNumber device, FunctionNumber function, u32 field, u32 value)
{
IO::out32(PCI::address_port, io_address_for_pci_field(bus, device, function, field));
IO::out32(PCI::value_port, value);
}
u8 HostBridge::read8_field(BusNumber bus, DeviceNumber device, FunctionNumber function, u32 field)
{
IO::out32(PCI::address_port, io_address_for_pci_field(bus, device, function, field));
return IO::in8(PCI::value_port + (field & 3));
}
u16 HostBridge::read16_field(BusNumber bus, DeviceNumber device, FunctionNumber function, u32 field)
{
IO::out32(PCI::address_port, io_address_for_pci_field(bus, device, function, field));
return IO::in16(PCI::value_port + (field & 2));
}
u32 HostBridge::read32_field(BusNumber bus, DeviceNumber device, FunctionNumber function, u32 field)
{
IO::out32(PCI::address_port, io_address_for_pci_field(bus, device, function, field));
return IO::in32(PCI::value_port);
}
}

34
Kernel/Arch/x86_64/PCI/Controller/HostBridge.h Normal file
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/*
* Copyright (c) 2022, Liav A. <liavalb@hotmail.co.il>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#pragma once
#include <AK/Bitmap.h>
#include <AK/NonnullOwnPtr.h>
#include <AK/OwnPtr.h>
#include <AK/Vector.h>
#include <Kernel/Bus/PCI/Controller/HostController.h>
#include <Kernel/Locking/Spinlock.h>
namespace Kernel::PCI {
class HostBridge : public HostController {
public:
static NonnullOwnPtr<HostBridge> must_create_with_io_access();
virtual void write8_field(BusNumber, DeviceNumber, FunctionNumber, u32 field, u8 value) override;
virtual void write16_field(BusNumber, DeviceNumber, FunctionNumber, u32 field, u16 value) override;
virtual void write32_field(BusNumber, DeviceNumber, FunctionNumber, u32 field, u32 value) override;
virtual u8 read8_field(BusNumber, DeviceNumber, FunctionNumber, u32 field) override;
virtual u16 read16_field(BusNumber, DeviceNumber, FunctionNumber, u32 field) override;
virtual u32 read32_field(BusNumber, DeviceNumber, FunctionNumber, u32 field) override;
private:
explicit HostBridge(PCI::Domain const&);
};
}