Kernel: Rename BochsVGADevice to BXVGADevice.

Kernel/BXVGADevice.h

@@ -0,0 +1,38 @@
+#pragma once
+
+#include <AK/Types.h>
+#include <AK/AKString.h>
+#include <SharedGraphics/Size.h>
+#include <Kernel/types.h>
+#include <Kernel/BlockDevice.h>
+
+class BXVGADevice final : public BlockDevice {
+    AK_MAKE_ETERNAL
+public:
+    static BXVGADevice& the();
+
+    BXVGADevice();
+
+    PhysicalAddress framebuffer_address() const { return m_framebuffer_address; }
+    void set_resolution(int width, int height);
+    void set_y_offset(int);
+
+    virtual int ioctl(Process&, unsigned request, unsigned arg) override;
+    virtual Region* mmap(Process&, LinearAddress preferred_laddr, size_t offset, size_t) override;
+
+    size_t framebuffer_size_in_bytes() const { return m_framebuffer_size.area() * sizeof(dword) * 2; }
+    Size framebuffer_size() const { return m_framebuffer_size; }
+
+private:
+    virtual const char* class_name() const override { return "BXVGA"; }
+    virtual bool can_read(Process&) const override;
+    virtual bool can_write(Process&) const override;
+    virtual ssize_t read(Process&, byte*, size_t) override;
+    virtual ssize_t write(Process&, const byte*, size_t) override;
+
+    void set_register(word index, word value);
+    dword find_framebuffer_address();
+
+    PhysicalAddress m_framebuffer_address;
+    Size m_framebuffer_size;
+};