--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/symbian-qemu-0.9.1-12/qemu-symbian-svp/plugins/syborg_fb.py	Fri Jul 31 15:01:17 2009 +0100
@@ -0,0 +1,136 @@
+import qemu
+
+class syborg_fb(qemu.devclass):
+  REG_ID            = 0
+  REG_BASE          = 1
+  REG_HEIGHT        = 2
+  REG_WIDTH         = 3
+  REG_ORIENTATION   = 4
+  REG_BLANK         = 5
+  REG_INT_MASK      = 6
+  REG_INT_CAUSE     = 7
+  REG_BPP           = 8
+  REG_COLOR_ORDER   = 9
+  REG_BYTE_ORDER    = 10
+  REG_PIXEL_ORDER   = 11
+  REG_ROW_PITCH     = 12
+  REG_ENABLED       = 13
+  REG_PALETTE       = 0x100
+
+  INT_VSYNC         = (1 << 0)
+  INT_BASE_UPDATE   = (1 << 1)
+
+  def update_irq(self):
+    self.set_irq_level(0, (self.int_status & self.int_enable) != 0)
+
+  def do_update(self):
+    old_status = self.int_status
+    if self.need_int:
+      self.int_status |= self.INT_BASE_UPDATE
+      self.need_int = False
+    if self.render.blank == 0:
+      self.int_status |= self.INT_VSYNC
+    if self.int_status != old_status:
+      self.update_irq()
+    return self.enabled
+
+  def create(self):
+    self.enabled = False
+    self.int_status = 0
+    self.int_enable = 0
+    self.need_int = True
+
+    width = self.properties["width"]
+    height = self.properties["height"]
+    self.render = qemu.render(self.name, width, height)
+    self.render.update = self.do_update
+
+  def read_reg(self, offset):
+    offset >>= 2
+    if offset == self.REG_ID:
+      return 0xc51d0006
+    elif offset == self.REG_BASE:
+      return self.render.base;
+    elif offset == self.REG_WIDTH:
+      return self.render.width;
+    elif offset == self.REG_HEIGHT:
+      return self.render.height;
+    elif offset == self.REG_ORIENTATION:
+      return self.render.orientation;
+    elif offset == self.REG_BLANK:
+      return self.render.blank;
+    elif offset == self.REG_INT_MASK:
+      return self.int_enable;
+    elif offset == self.REG_INT_CAUSE:
+      return self.int_status;
+    elif offset == self.REG_BPP:
+      return self.render.bpp;
+    elif offset == self.REG_COLOR_ORDER:
+      return self.render.color_order;
+    elif offset == self.REG_BYTE_ORDER:
+      return self.render.byte_order;
+    elif offset == self.REG_PIXEL_ORDER:
+      return self.render.pixel_order;
+    elif offset == self.REG_ROW_PITCH:
+      return self.render.row_pitch;
+    elif offset == self.REG_ENABLED:
+      return 1 if self.enabled else 0;
+    elif (offset >= self.REG_PALETTE) and (offset < self.REG_PALETTE + 256):
+      return self.render.palette[offset - self.REG_PALETTE];
+    return 0
+
+  def write_reg(self, offset, value):
+    offset >>= 2
+    if offset == self.REG_BASE:
+      self.render.base = value;
+      self.need_int = True
+    elif offset == self.REG_WIDTH:
+      self.render.width = value;
+    elif offset == self.REG_HEIGHT:
+      self.render.height = value;
+    elif offset == self.REG_ORIENTATION:
+      self.render.orientation = value;
+    elif offset == self.REG_BLANK:
+      self.render.blank = value;
+    elif offset == self.REG_INT_CAUSE:
+      self.int_status &= ~value;
+      self.update_irq()
+    elif offset == self.REG_INT_MASK:
+      self.int_enable = value & 3;
+      self.update_irq()
+    elif offset == self.REG_BPP:
+      self.render.bpp = value;
+    elif offset == self.REG_COLOR_ORDER:
+      self.render.color_order = value;
+    elif offset == self.REG_BYTE_ORDER:
+      self.render.byte_order = value;
+    elif offset == self.REG_PIXEL_ORDER:
+      self.render.pixel_order = value;
+    elif offset == self.REG_ROW_PITCH:
+      self.render.row_pitch = value;
+    elif offset == self.REG_ENABLED:
+      self.enabled = value != 0;
+    elif (offset >= self.REG_PALETTE) and (offset < self.REG_PALETTE + 256):
+      self.render.palette[offset - self.REG_PALETTE] = value;
+
+  def save(self, f):
+    f.put_u32(1 if self.need_int else 0)
+    f.put_u32(self.int_status)
+    f.put_u32(self.int_enable)
+    f.put_u32(1 if self.enabled else 0)
+    self.render.put(f)
+
+  def load(self, f):
+    self.need_int = (f.get_u32() != 0)
+    self.int_status = f.get_u32();
+    self.int_enable = f.get_u32();
+    self.enabled = (f.get_u32() != 0)
+    self.render.get(f)
+
+  # Device class properties
+  regions = [qemu.ioregion(0x1000, readl=read_reg, writel=write_reg)]
+  irqs = 1
+  name = "syborg,framebuffer"
+  properties = {"width":0, "height":0}
+
+qemu.register_device(syborg_fb)