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Kernel/Graphics: Export Bochs definitions to a header file

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These definitions will be used later when applying the DisplayConnector
design on the Bochs driver.
This commit is contained in:
Liav A 2022-04-29 14:29:40 +03:00 • committed by Andreas Kling
parent b401f278ad
commit 9f0b5b04ff
3 changed files with 67 additions and 53 deletions
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53
Kernel/Graphics/Bochs/GraphicsAdapter.cpp
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@ -16,61 +16,8 @@
#include <Kernel/Memory/TypedMapping.h>
#include <Kernel/Sections.h>
#define VBE_DISPI_IOPORT_INDEX 0x01CE
#define VBE_DISPI_IOPORT_DATA 0x01CF
#define VBE_DISPI_ID5 0xB0C5
#define BOCHS_DISPLAY_LITTLE_ENDIAN 0x1e1e1e1e
#define BOCHS_DISPLAY_BIG_ENDIAN 0xbebebebe
namespace Kernel {
enum class BochsFramebufferSettings {
Enabled = 0x1,
LinearFramebuffer = 0x40,
};
enum class BochsDISPIRegisters {
ID = 0x0,
XRES = 0x1,
YRES = 0x2,
BPP = 0x3,
ENABLE = 0x4,
BANK = 0x5,
VIRT_WIDTH = 0x6,
VIRT_HEIGHT = 0x7,
X_OFFSET = 0x8,
Y_OFFSET = 0x9,
};
struct [[gnu::packed]] DISPIInterface {
u16 index_id;
u16 xres;
u16 yres;
u16 bpp;
u16 enable;
u16 bank;
u16 virt_width;
u16 virt_height;
u16 x_offset;
u16 y_offset;
};
struct [[gnu::packed]] ExtensionRegisters {
u32 region_size;
u32 framebuffer_byteorder;
};
struct [[gnu::packed]] BochsDisplayMMIORegisters {
u8 edid_data[0x400];
u16 vga_ioports[0x10];
u8 reserved[0xE0];
DISPIInterface bochs_regs;
u8 reserved2[0x100 - sizeof(DISPIInterface)];
ExtensionRegisters extension_regs;
};
UNMAP_AFTER_INIT NonnullRefPtr<BochsGraphicsAdapter> BochsGraphicsAdapter::initialize(PCI::DeviceIdentifier const& pci_device_identifier)
{
PCI::HardwareID id = pci_device_identifier.hardware_id();