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Kernel: Move Kernel/Memory/ code into Kernel::Memory namespace

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This commit is contained in:
Andreas Kling 2021-08-06 13:49:36 +02:00
parent a1d7ebf85a
commit 93d98d4976
153 changed files with 473 additions and 467 deletions
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2
Kernel/Graphics/Bochs/GraphicsAdapter.cpp
View file

@ -65,7 +65,7 @@ UNMAP_AFTER_INIT NonnullRefPtr<BochsGraphicsAdapter> BochsGraphicsAdapter::initi
UNMAP_AFTER_INIT BochsGraphicsAdapter::BochsGraphicsAdapter(PCI::Address pci_address)
: PCI::DeviceController(pci_address)
, m_mmio_registers(PCI::get_BAR2(pci_address) & 0xfffffff0)
, m_registers(map_typed_writable<BochsDisplayMMIORegisters volatile>(m_mmio_registers))
, m_registers(Memory::map_typed_writable<BochsDisplayMMIORegisters volatile>(m_mmio_registers))
{
// We assume safe resolutio is 1024x768x32
m_framebuffer_console = Graphics::ContiguousFramebufferConsole::initialize(PhysicalAddress(PCI::get_BAR0(pci_address) & 0xfffffff0), 1024, 768, 1024 * sizeof(u32));

2
Kernel/Graphics/Bochs/GraphicsAdapter.h
View file

@ -57,7 +57,7 @@ private:
void set_y_offset(size_t);
PhysicalAddress m_mmio_registers;
TypedMapping<BochsDisplayMMIORegisters volatile> m_registers;
Memory::TypedMapping<BochsDisplayMMIORegisters volatile> m_registers;
RefPtr<FramebufferDevice> m_framebuffer_device;
RefPtr<Graphics::GenericFramebufferConsole> m_framebuffer_console;
SpinLock<u8> m_console_mode_switch_lock;

4
Kernel/Graphics/Console/ContiguousFramebufferConsole.cpp
View file

@ -27,8 +27,8 @@ void ContiguousFramebufferConsole::set_resolution(size_t width, size_t height, s
m_height = height;
m_pitch = pitch;
dbgln("Framebuffer Console: taking {} bytes", page_round_up(pitch * height));
m_framebuffer_region = MM.allocate_kernel_region(m_framebuffer_address, page_round_up(pitch * height), "Framebuffer Console", Region::Access::Read | Region::Access::Write, Region::Cacheable::Yes);
dbgln("Framebuffer Console: taking {} bytes", Memory::page_round_up(pitch * height));
m_framebuffer_region = MM.allocate_kernel_region(m_framebuffer_address, Memory::page_round_up(pitch * height), "Framebuffer Console", Memory::Region::Access::Read | Memory::Region::Access::Write, Memory::Region::Cacheable::Yes);
VERIFY(m_framebuffer_region);
// Just to start cleanly, we clean the entire framebuffer

2
Kernel/Graphics/Console/ContiguousFramebufferConsole.h
View file

@ -22,7 +22,7 @@ private:
{
return m_framebuffer_region->vaddr().as_ptr();
}
OwnPtr<Region> m_framebuffer_region;
OwnPtr<Memory::Region> m_framebuffer_region;
ContiguousFramebufferConsole(PhysicalAddress, size_t width, size_t height, size_t pitch);
PhysicalAddress m_framebuffer_address;
};

2
Kernel/Graphics/Console/VGAConsole.cpp
View file

@ -11,7 +11,7 @@ namespace Kernel::Graphics {
UNMAP_AFTER_INIT VGAConsole::VGAConsole(const VGACompatibleAdapter& adapter, Mode mode, size_t width, size_t height)
: Console(width, height)
, m_vga_region(MM.allocate_kernel_region(PhysicalAddress(0xa0000), page_round_up(0xc0000 - 0xa0000), "VGA Display", Region::Access::Read | Region::Access::Write).release_nonnull())
, m_vga_region(MM.allocate_kernel_region(PhysicalAddress(0xa0000), Memory::page_round_up(0xc0000 - 0xa0000), "VGA Display", Memory::Region::Access::Read | Memory::Region::Access::Write).release_nonnull())
, m_adapter(adapter)
, m_mode(mode)
{

2
Kernel/Graphics/Console/VGAConsole.h
View file

@ -33,7 +33,7 @@ public:
protected:
VGAConsole(const VGACompatibleAdapter&, Mode, size_t width, size_t height);
NonnullOwnPtr<Region> m_vga_region;
NonnullOwnPtr<Memory::Region> m_vga_region;
NonnullRefPtr<VGACompatibleAdapter> m_adapter;
const Mode m_mode;
};

28
Kernel/Graphics/FramebufferDevice.cpp
View file

@ -25,7 +25,7 @@ NonnullRefPtr<FramebufferDevice> FramebufferDevice::create(const GraphicsDevice&
return adopt_ref(*new FramebufferDevice(adapter, output_port_index, paddr, width, height, pitch));
}
KResultOr<Region*> FramebufferDevice::mmap(Process& process, FileDescription&, const Range& range, u64 offset, int prot, bool shared)
KResultOr<Memory::Region*> FramebufferDevice::mmap(Process& process, FileDescription&, Memory::Range const& range, u64 offset, int prot, bool shared)
{
ScopedSpinLock lock(m_activation_lock);
REQUIRE_PROMISE(video);
@ -33,31 +33,31 @@ KResultOr<Region*> FramebufferDevice::mmap(Process& process, FileDescription&, c
return ENODEV;
if (offset != 0)
return ENXIO;
if (range.size() != page_round_up(framebuffer_size_in_bytes()))
if (range.size() != Memory::page_round_up(framebuffer_size_in_bytes()))
return EOVERFLOW;
auto vmobject = AnonymousVMObject::try_create_for_physical_range(m_framebuffer_address, page_round_up(framebuffer_size_in_bytes()));
auto vmobject = Memory::AnonymousVMObject::try_create_for_physical_range(m_framebuffer_address, Memory::page_round_up(framebuffer_size_in_bytes()));
if (!vmobject)
return ENOMEM;
m_userspace_real_framebuffer_vmobject = vmobject;
m_real_framebuffer_vmobject = AnonymousVMObject::try_create_for_physical_range(m_framebuffer_address, page_round_up(framebuffer_size_in_bytes()));
m_real_framebuffer_vmobject = Memory::AnonymousVMObject::try_create_for_physical_range(m_framebuffer_address, Memory::page_round_up(framebuffer_size_in_bytes()));
if (!m_real_framebuffer_vmobject)
return ENOMEM;
m_swapped_framebuffer_vmobject = AnonymousVMObject::try_create_with_size(page_round_up(framebuffer_size_in_bytes()), AllocationStrategy::AllocateNow);
m_swapped_framebuffer_vmobject = Memory::AnonymousVMObject::try_create_with_size(Memory::page_round_up(framebuffer_size_in_bytes()), AllocationStrategy::AllocateNow);
if (!m_swapped_framebuffer_vmobject)
return ENOMEM;
m_real_framebuffer_region = MM.allocate_kernel_region_with_vmobject(*m_real_framebuffer_vmobject, page_round_up(framebuffer_size_in_bytes()), "Framebuffer", Region::Access::Read | Region::Access::Write);
m_real_framebuffer_region = MM.allocate_kernel_region_with_vmobject(*m_real_framebuffer_vmobject, Memory::page_round_up(framebuffer_size_in_bytes()), "Framebuffer", Memory::Region::Access::Read | Memory::Region::Access::Write);
if (!m_real_framebuffer_region)
return ENOMEM;
m_swapped_framebuffer_region = MM.allocate_kernel_region_with_vmobject(*m_swapped_framebuffer_vmobject, page_round_up(framebuffer_size_in_bytes()), "Framebuffer Swap (Blank)", Region::Access::Read | Region::Access::Write);
m_swapped_framebuffer_region = MM.allocate_kernel_region_with_vmobject(*m_swapped_framebuffer_vmobject, Memory::page_round_up(framebuffer_size_in_bytes()), "Framebuffer Swap (Blank)", Memory::Region::Access::Read | Memory::Region::Access::Write);
if (!m_swapped_framebuffer_region)
return ENOMEM;
RefPtr<VMObject> chosen_vmobject;
RefPtr<Memory::VMObject> chosen_vmobject;
if (m_graphical_writes_enabled) {
chosen_vmobject = m_real_framebuffer_vmobject;
} else {
@ -81,7 +81,7 @@ void FramebufferDevice::deactivate_writes()
ScopedSpinLock lock(m_activation_lock);
if (!m_userspace_framebuffer_region)
return;
memcpy(m_swapped_framebuffer_region->vaddr().as_ptr(), m_real_framebuffer_region->vaddr().as_ptr(), page_round_up(framebuffer_size_in_bytes()));
memcpy(m_swapped_framebuffer_region->vaddr().as_ptr(), m_real_framebuffer_region->vaddr().as_ptr(), Memory::page_round_up(framebuffer_size_in_bytes()));
auto vmobject = m_swapped_framebuffer_vmobject;
m_userspace_framebuffer_region->set_vmobject(vmobject.release_nonnull());
m_userspace_framebuffer_region->remap();
@ -95,7 +95,7 @@ void FramebufferDevice::activate_writes()
// restore the image we had in the void area
// FIXME: if we happen to have multiple Framebuffers that are writing to that location
// we will experience glitches...
memcpy(m_real_framebuffer_region->vaddr().as_ptr(), m_swapped_framebuffer_region->vaddr().as_ptr(), page_round_up(framebuffer_size_in_bytes()));
memcpy(m_real_framebuffer_region->vaddr().as_ptr(), m_swapped_framebuffer_region->vaddr().as_ptr(), Memory::page_round_up(framebuffer_size_in_bytes()));
auto vmobject = m_userspace_real_framebuffer_vmobject;
m_userspace_framebuffer_region->set_vmobject(vmobject.release_nonnull());
m_userspace_framebuffer_region->remap();
@ -109,13 +109,13 @@ String FramebufferDevice::device_name() const
UNMAP_AFTER_INIT void FramebufferDevice::initialize()
{
m_real_framebuffer_vmobject = AnonymousVMObject::try_create_for_physical_range(m_framebuffer_address, page_round_up(framebuffer_size_in_bytes()));
m_real_framebuffer_vmobject = Memory::AnonymousVMObject::try_create_for_physical_range(m_framebuffer_address, Memory::page_round_up(framebuffer_size_in_bytes()));
VERIFY(m_real_framebuffer_vmobject);
m_real_framebuffer_region = MM.allocate_kernel_region_with_vmobject(*m_real_framebuffer_vmobject, page_round_up(framebuffer_size_in_bytes()), "Framebuffer", Region::Access::Read | Region::Access::Write);
m_real_framebuffer_region = MM.allocate_kernel_region_with_vmobject(*m_real_framebuffer_vmobject, Memory::page_round_up(framebuffer_size_in_bytes()), "Framebuffer", Memory::Region::Access::Read | Memory::Region::Access::Write);
VERIFY(m_real_framebuffer_region);
m_swapped_framebuffer_vmobject = AnonymousVMObject::try_create_with_size(page_round_up(framebuffer_size_in_bytes()), AllocationStrategy::AllocateNow);
m_swapped_framebuffer_vmobject = Memory::AnonymousVMObject::try_create_with_size(Memory::page_round_up(framebuffer_size_in_bytes()), AllocationStrategy::AllocateNow);
VERIFY(m_swapped_framebuffer_vmobject);
m_swapped_framebuffer_region = MM.allocate_kernel_region_with_vmobject(*m_swapped_framebuffer_vmobject, page_round_up(framebuffer_size_in_bytes()), "Framebuffer Swap (Blank)", Region::Access::Read | Region::Access::Write);
m_swapped_framebuffer_region = MM.allocate_kernel_region_with_vmobject(*m_swapped_framebuffer_vmobject, Memory::page_round_up(framebuffer_size_in_bytes()), "Framebuffer Swap (Blank)", Memory::Region::Access::Read | Memory::Region::Access::Write);
VERIFY(m_swapped_framebuffer_region);
}

14
Kernel/Graphics/FramebufferDevice.h
View file

@ -23,7 +23,7 @@ public:
static NonnullRefPtr<FramebufferDevice> create(const GraphicsDevice&, size_t, PhysicalAddress, size_t, size_t, size_t);
virtual KResult ioctl(FileDescription&, unsigned request, Userspace<void*> arg) override;
virtual KResultOr<Region*> mmap(Process&, FileDescription&, const Range&, u64 offset, int prot, bool shared) override;
virtual KResultOr<Memory::Region*> mmap(Process&, FileDescription&, Memory::Range const&, u64 offset, int prot, bool shared) override;
// ^Device
virtual mode_t required_mode() const override { return 0660; }
@ -55,15 +55,15 @@ private:
SpinLock<u8> m_activation_lock;
RefPtr<AnonymousVMObject> m_real_framebuffer_vmobject;
RefPtr<AnonymousVMObject> m_swapped_framebuffer_vmobject;
OwnPtr<Region> m_real_framebuffer_region;
OwnPtr<Region> m_swapped_framebuffer_region;
RefPtr<Memory::AnonymousVMObject> m_real_framebuffer_vmobject;
RefPtr<Memory::AnonymousVMObject> m_swapped_framebuffer_vmobject;
OwnPtr<Memory::Region> m_real_framebuffer_region;
OwnPtr<Memory::Region> m_swapped_framebuffer_region;
bool m_graphical_writes_enabled { true };
RefPtr<AnonymousVMObject> m_userspace_real_framebuffer_vmobject;
Region* m_userspace_framebuffer_region { nullptr };
RefPtr<Memory::AnonymousVMObject> m_userspace_real_framebuffer_vmobject;
Memory::Region* m_userspace_framebuffer_region { nullptr };
size_t m_y_offset { 0 };
size_t m_output_port_index;

2
Kernel/Graphics/GraphicsManagement.cpp
View file

@ -32,7 +32,7 @@ bool GraphicsManagement::is_initialized()
}
UNMAP_AFTER_INIT GraphicsManagement::GraphicsManagement()
: m_vga_font_region(MM.allocate_kernel_region(PAGE_SIZE, "VGA font", Region::Access::Read | Region::Access::Write, AllocationStrategy::AllocateNow).release_nonnull())
: m_vga_font_region(MM.allocate_kernel_region(PAGE_SIZE, "VGA font", Memory::Region::Access::Read | Memory::Region::Access::Write, AllocationStrategy::AllocateNow).release_nonnull())
, m_framebuffer_devices_allowed(!kernel_command_line().is_no_framebuffer_devices_mode())
{
}

2
Kernel/Graphics/GraphicsManagement.h
View file

@ -49,7 +49,7 @@ public:
private:
bool determine_and_initialize_graphics_device(const PCI::Address& address, PCI::ID id);
NonnullRefPtrVector<GraphicsDevice> m_graphics_devices;
NonnullOwnPtr<Region> m_vga_font_region;
NonnullOwnPtr<Memory::Region> m_vga_font_region;
RefPtr<Graphics::Console> m_console;
// Note: there could be multiple VGA adapters, but only one can operate in VGA mode

2
Kernel/Graphics/Intel/NativeGraphicsAdapter.cpp
View file

@ -189,7 +189,7 @@ IntelNativeGraphicsAdapter::IntelNativeGraphicsAdapter(PCI::Address address)
VERIFY(bar0_space_size == 0x80000);
dmesgln("Intel Native Graphics Adapter @ {}, MMIO @ {}, space size is {:x} bytes", address, PhysicalAddress(PCI::get_BAR0(address)), bar0_space_size);
dmesgln("Intel Native Graphics Adapter @ {}, framebuffer @ {}", address, PhysicalAddress(PCI::get_BAR2(address)));
m_registers_region = MM.allocate_kernel_region(PhysicalAddress(PCI::get_BAR0(address)).page_base(), bar0_space_size, "Intel Native Graphics Registers", Region::Access::Read | Region::Access::Write);
m_registers_region = MM.allocate_kernel_region(PhysicalAddress(PCI::get_BAR0(address)).page_base(), bar0_space_size, "Intel Native Graphics Registers", Memory::Region::Access::Read | Memory::Region::Access::Write);
PCI::enable_bus_mastering(address);
{
ScopedSpinLock control_lock(m_control_lock);

2
Kernel/Graphics/Intel/NativeGraphicsAdapter.h
View file

@ -168,7 +168,7 @@ private:
Graphics::VideoInfoBlock m_crt_edid;
const PhysicalAddress m_registers;
const PhysicalAddress m_framebuffer_addr;
OwnPtr<Region> m_registers_region;
OwnPtr<Memory::Region> m_registers_region;
};
}

10
Kernel/Graphics/VirtIOGPU/FrameBufferDevice.cpp
View file

@ -32,15 +32,15 @@ void FrameBufferDevice::create_framebuffer()
// Allocate frame buffer for both front and back
auto& info = display_info();
m_buffer_size = calculate_framebuffer_size(info.rect.width, info.rect.height);
m_framebuffer = MM.allocate_kernel_region(m_buffer_size * 2, String::formatted("VirtGPU FrameBuffer #{}", m_scanout.value()), Region::Access::Read | Region::Access::Write, AllocationStrategy::AllocateNow);
auto write_sink_page = MM.allocate_user_physical_page(MemoryManager::ShouldZeroFill::No).release_nonnull();
m_framebuffer = MM.allocate_kernel_region(m_buffer_size * 2, String::formatted("VirtGPU FrameBuffer #{}", m_scanout.value()), Memory::Region::Access::Read | Memory::Region::Access::Write, AllocationStrategy::AllocateNow);
auto write_sink_page = MM.allocate_user_physical_page(Memory::MemoryManager::ShouldZeroFill::No).release_nonnull();
auto num_needed_pages = m_framebuffer->vmobject().page_count();
NonnullRefPtrVector<PhysicalPage> pages;
NonnullRefPtrVector<Memory::PhysicalPage> pages;
for (auto i = 0u; i < num_needed_pages; ++i) {
pages.append(write_sink_page);
}
m_framebuffer_sink_vmobject = AnonymousVMObject::try_create_with_physical_pages(pages.span());
m_framebuffer_sink_vmobject = Memory::AnonymousVMObject::try_create_with_physical_pages(pages.span());
MutexLocker locker(m_gpu.operation_lock());
m_current_buffer = &buffer_from_index(m_last_set_buffer_index.load());
@ -241,7 +241,7 @@ KResult FrameBufferDevice::ioctl(FileDescription&, unsigned request, Userspace<v
};
}
KResultOr<Region*> FrameBufferDevice::mmap(Process& process, FileDescription&, const Range& range, u64 offset, int prot, bool shared)
KResultOr<Memory::Region*> FrameBufferDevice::mmap(Process& process, FileDescription&, Memory::Range const& range, u64 offset, int prot, bool shared)
{
REQUIRE_PROMISE(video);
if (!shared)

10
Kernel/Graphics/VirtIOGPU/FrameBufferDevice.h
View file

@ -39,7 +39,7 @@ public:
static size_t calculate_framebuffer_size(size_t width, size_t height)
{
// VirtIO resources can only map on page boundaries!
return page_round_up(sizeof(u32) * width * height);
return Memory::page_round_up(sizeof(u32) * width * height);
}
void flush_dirty_window(Protocol::Rect const&, Buffer&);
@ -61,7 +61,7 @@ private:
void set_buffer(int);
virtual KResult ioctl(FileDescription&, unsigned request, Userspace<void*> arg) override;
virtual KResultOr<Region*> mmap(Process&, FileDescription&, const Range&, u64 offset, int prot, bool shared) override;
virtual KResultOr<Memory::Region*> mmap(Process&, FileDescription&, Memory::Range const&, u64 offset, int prot, bool shared) override;
virtual bool can_read(const FileDescription&, size_t) const override { return true; }
virtual KResultOr<size_t> read(FileDescription&, u64, UserOrKernelBuffer&, size_t) override { return EINVAL; }
virtual bool can_write(const FileDescription&, size_t) const override { return true; }
@ -88,12 +88,12 @@ private:
Atomic<int, AK::memory_order_relaxed> m_last_set_buffer_index { 0 };
Buffer m_main_buffer;
Buffer m_back_buffer;
OwnPtr<Region> m_framebuffer;
RefPtr<VMObject> m_framebuffer_sink_vmobject;
OwnPtr<Memory::Region> m_framebuffer;
RefPtr<Memory::VMObject> m_framebuffer_sink_vmobject;
size_t m_buffer_size { 0 };
bool m_are_writes_active { true };
// FIXME: This needs to be cleaned up if the WindowServer exits while we are in a tty
WeakPtr<Region> m_userspace_mmap_region;
WeakPtr<Memory::Region> m_userspace_mmap_region;
};
}

4
Kernel/Graphics/VirtIOGPU/GPU.cpp
View file

@ -17,7 +17,7 @@ namespace Kernel::Graphics::VirtIOGPU {
GPU::GPU(PCI::Address address)
: VirtIODevice(address, "GPU")
, m_scratch_space(MM.allocate_contiguous_kernel_region(32 * PAGE_SIZE, "VirtGPU Scratch Space", Region::Access::Read | Region::Access::Write))
, m_scratch_space(MM.allocate_contiguous_kernel_region(32 * PAGE_SIZE, "VirtGPU Scratch Space", Memory::Region::Access::Read | Memory::Region::Access::Write))
{
VERIFY(!!m_scratch_space);
if (auto cfg = get_config(ConfigurationType::Device)) {
@ -138,7 +138,7 @@ ResourceID GPU::create_2d_resource(Protocol::Rect rect)
return resource_id;
}
void GPU::ensure_backing_storage(Region const& region, size_t buffer_offset, size_t buffer_length, ResourceID resource_id)
void GPU::ensure_backing_storage(Memory::Region const& region, size_t buffer_offset, size_t buffer_length, ResourceID resource_id)
{
VERIFY(m_operation_lock.is_locked());

4
Kernel/Graphics/VirtIOGPU/GPU.h
View file

@ -102,7 +102,7 @@ private:
void query_display_information();
ResourceID create_2d_resource(Protocol::Rect rect);
void delete_resource(ResourceID resource_id);
void ensure_backing_storage(Region const& region, size_t buffer_offset, size_t buffer_length, ResourceID resource_id);
void ensure_backing_storage(Memory::Region const& region, size_t buffer_offset, size_t buffer_length, ResourceID resource_id);
void detach_backing_storage(ResourceID resource_id);
void set_scanout_resource(ScanoutID scanout, ResourceID resource_id, Protocol::Rect rect);
void transfer_framebuffer_data_to_host(ScanoutID scanout, Protocol::Rect const& rect, ResourceID resource_id);
@ -118,7 +118,7 @@ private:
// Synchronous commands
WaitQueue m_outstanding_request;
Mutex m_operation_lock;
OwnPtr<Region> m_scratch_space;
OwnPtr<Memory::Region> m_scratch_space;
};
}