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Kernel/Graphics: Ensure VMWare and VirtualBox EDIDs have manufacturer ID

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Liav A 2022-06-10 22:33:07 +03:00 • committed by Linus Groh
parent 3d36b194d1
commit 20c9e4c05c
7 changed files with 24 additions and 11 deletions
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6
Kernel/Graphics/Bochs/GraphicsAdapter.cpp
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@ -43,10 +43,10 @@ UNMAP_AFTER_INIT ErrorOr<void> BochsGraphicsAdapter::initialize_adapter(PCI::Dev
// Note: If we use VirtualBox graphics adapter (which is based on Bochs one), we need to use IO ports
// Note: Bochs (the real bochs graphics adapter in the Bochs emulator) uses revision ID of 0x0
// and doesn't support memory-mapped IO registers.
bool virtual_box_hardware = (pci_device_identifier.hardware_id().vendor_id == 0x80ee && pci_device_identifier.hardware_id().device_id == 0xbeef);
auto bar0_space_size = PCI::get_BAR_space_size(pci_device_identifier.address(), 0);
if (pci_device_identifier.revision_id().value() == 0x0
|| (pci_device_identifier.hardware_id().vendor_id == 0x80ee && pci_device_identifier.hardware_id().device_id == 0xbeef)) {
m_display_connector = BochsDisplayConnector::must_create(PhysicalAddress(PCI::get_BAR0(pci_device_identifier.address()) & 0xfffffff0), bar0_space_size);
if (pci_device_identifier.revision_id().value() == 0x0 || virtual_box_hardware) {
m_display_connector = BochsDisplayConnector::must_create(PhysicalAddress(PCI::get_BAR0(pci_device_identifier.address()) & 0xfffffff0), bar0_space_size, virtual_box_hardware);
} else {
auto registers_mapping = TRY(Memory::map_typed_writable<BochsDisplayMMIORegisters volatile>(PhysicalAddress(PCI::get_BAR2(pci_device_identifier.address()) & 0xfffffff0)));
VERIFY(registers_mapping.region);