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79fa9765ca
We now use AK::Error and AK::ErrorOr<T> in both kernel and userspace! This was a slightly tedious refactoring that took a long time, so it's not unlikely that some bugs crept in. Nevertheless, it does pass basic functionality testing, and it's just real nice to finally see the same pattern in all contexts. :^)
83 lines
3.2 KiB
C++
83 lines
3.2 KiB
C++
/*
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* Copyright (c) 2021, Liav A. <liavalb@hotmail.co.il>
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#include <Kernel/Graphics/Console/ContiguousFramebufferConsole.h>
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#include <Kernel/Graphics/Console/TextModeConsole.h>
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#include <Kernel/Graphics/GraphicsManagement.h>
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#include <Kernel/Graphics/VGACompatibleAdapter.h>
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#include <Kernel/Sections.h>
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namespace Kernel {
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UNMAP_AFTER_INIT NonnullRefPtr<VGACompatibleAdapter> VGACompatibleAdapter::initialize_with_preset_resolution(PCI::DeviceIdentifier const& pci_device_identifier, PhysicalAddress m_framebuffer_address, size_t framebuffer_width, size_t framebuffer_height, size_t framebuffer_pitch)
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{
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return adopt_ref(*new VGACompatibleAdapter(pci_device_identifier.address(), m_framebuffer_address, framebuffer_width, framebuffer_height, framebuffer_pitch));
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}
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UNMAP_AFTER_INIT NonnullRefPtr<VGACompatibleAdapter> VGACompatibleAdapter::initialize(PCI::DeviceIdentifier const& pci_device_identifier)
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{
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return adopt_ref(*new VGACompatibleAdapter(pci_device_identifier.address()));
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}
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UNMAP_AFTER_INIT void VGACompatibleAdapter::initialize_framebuffer_devices()
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{
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// We might not have any pre-set framebuffer, so if that's the case - don't try to initialize one.
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if (m_framebuffer_address.is_null())
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return;
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VERIFY(m_framebuffer_width);
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VERIFY(m_framebuffer_width != 0);
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VERIFY(m_framebuffer_height != 0);
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VERIFY(m_framebuffer_pitch != 0);
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m_framebuffer_device = FramebufferDevice::create(*this, m_framebuffer_address, m_framebuffer_width, m_framebuffer_height, m_framebuffer_pitch);
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// FIXME: Would be nice to be able to return ErrorOr<void> here.
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VERIFY(!m_framebuffer_device->try_to_initialize().is_error());
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}
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UNMAP_AFTER_INIT VGACompatibleAdapter::VGACompatibleAdapter(PCI::Address address)
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: PCI::Device(address)
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{
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m_framebuffer_console = Graphics::TextModeConsole::initialize(*this);
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// FIXME: This is a very wrong way to do this...
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GraphicsManagement::the().m_console = m_framebuffer_console;
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}
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UNMAP_AFTER_INIT VGACompatibleAdapter::VGACompatibleAdapter(PCI::Address address, PhysicalAddress framebuffer_address, size_t framebuffer_width, size_t framebuffer_height, size_t framebuffer_pitch)
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: PCI::Device(address)
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, m_framebuffer_address(framebuffer_address)
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, m_framebuffer_width(framebuffer_width)
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, m_framebuffer_height(framebuffer_height)
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, m_framebuffer_pitch(framebuffer_pitch)
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{
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m_framebuffer_console = Graphics::ContiguousFramebufferConsole::initialize(framebuffer_address, framebuffer_width, framebuffer_height, framebuffer_pitch);
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// FIXME: This is a very wrong way to do this...
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GraphicsManagement::the().m_console = m_framebuffer_console;
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}
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void VGACompatibleAdapter::enable_consoles()
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{
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VERIFY(m_framebuffer_console);
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if (m_framebuffer_device)
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m_framebuffer_device->deactivate_writes();
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m_framebuffer_console->enable();
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}
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void VGACompatibleAdapter::disable_consoles()
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{
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VERIFY(m_framebuffer_device);
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VERIFY(m_framebuffer_console);
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m_framebuffer_console->disable();
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m_framebuffer_device->activate_writes();
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}
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bool VGACompatibleAdapter::try_to_set_resolution(size_t, size_t, size_t)
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{
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return false;
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}
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bool VGACompatibleAdapter::set_y_offset(size_t, size_t)
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{
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return false;
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}
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}
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