mirror of
https://github.com/RGBCube/serenity
synced 2025-07-25 06:27:45 +00:00
Kernel: Move x86 Bochs VBE code to the Arch/x86 directory
To do this, we make the QEMUDisplayConnector class more standalone so it does not need to inherit from the BochsDisplayConnector class.
This commit is contained in:
parent
c50a81e93e
commit
8d6da9863f
7 changed files with 86 additions and 13 deletions
|
@ -7,11 +7,13 @@
|
|||
#include <AK/Atomic.h>
|
||||
#include <AK/Checked.h>
|
||||
#include <AK/Try.h>
|
||||
#if ARCH(I386) || ARCH(X86_64)
|
||||
# include <Kernel/Arch/x86/Hypervisor/BochsDisplayConnector.h>
|
||||
#endif
|
||||
#include <Kernel/Bus/PCI/API.h>
|
||||
#include <Kernel/Bus/PCI/IDs.h>
|
||||
#include <Kernel/Debug.h>
|
||||
#include <Kernel/Graphics/Bochs/Definitions.h>
|
||||
#include <Kernel/Graphics/Bochs/DisplayConnector.h>
|
||||
#include <Kernel/Graphics/Bochs/GraphicsAdapter.h>
|
||||
#include <Kernel/Graphics/Bochs/QEMUDisplayConnector.h>
|
||||
#include <Kernel/Graphics/Console/ContiguousFramebufferConsole.h>
|
||||
|
@ -40,6 +42,10 @@ 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.
|
||||
|
||||
// Note: In non x86-builds, we should never encounter VirtualBox hardware nor Pure Bochs VBE graphics,
|
||||
// so just assume we can use the QEMU BochsVBE-compatible graphics adapter only.
|
||||
#if ARCH(I386) || ARCH(X86_64)
|
||||
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(), PCI::HeaderType0BaseRegister::BAR0);
|
||||
if (pci_device_identifier.revision_id().value() == 0x0 || virtual_box_hardware) {
|
||||
|
@ -49,6 +55,11 @@ UNMAP_AFTER_INIT ErrorOr<void> BochsGraphicsAdapter::initialize_adapter(PCI::Dev
|
|||
VERIFY(registers_mapping.region);
|
||||
m_display_connector = QEMUDisplayConnector::must_create(PhysicalAddress(PCI::get_BAR0(pci_device_identifier.address()) & 0xfffffff0), bar0_space_size, move(registers_mapping));
|
||||
}
|
||||
#else
|
||||
auto registers_mapping = TRY(Memory::map_typed_writable<BochsDisplayMMIORegisters volatile>(PhysicalAddress(PCI::get_BAR2(pci_device_identifier.address()) & 0xfffffff0)));
|
||||
VERIFY(registers_mapping.region);
|
||||
m_display_connector = QEMUDisplayConnector::must_create(PhysicalAddress(PCI::get_BAR0(pci_device_identifier.address()) & 0xfffffff0), bar0_space_size, move(registers_mapping));
|
||||
#endif
|
||||
|
||||
// Note: According to Gerd Hoffmann - "The linux driver simply does
|
||||
// the unblank unconditionally. With bochs-display this is not needed but
|
||||
|
|
Loading…
Add table
Add a link
Reference in a new issue