Implement and use shared memory framebuffer device rendering reoutine.
Use DMA mapping API.

Signed-off-by: Paul Brook <paul@codesourcery.com>


git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@6965 c046a42c-6fe2-441c-8c8c-71466251a162
diff --git a/hw/framebuffer.h b/hw/framebuffer.h
new file mode 100644
index 0000000..a3a2146
--- /dev/null
+++ b/hw/framebuffer.h
@@ -0,0 +1,22 @@
+#ifndef QEMU_FRAMEBUFFER_H
+#define QEMU_FRAMEBUFFER_H
+
+/* Framebuffer device helper routines.  */
+
+typedef void (*drawfn)(void *, uint8_t *, const uint8_t *, int, int);
+
+void framebuffer_update_display(
+    DisplayState *ds,
+    target_phys_addr_t base,
+    int cols,
+    int rows,
+    int src_width,
+    int dest_row_pitch,
+    int dest_col_pitch,
+    int invalidate,
+    drawfn fn,
+    void *opaque,
+    int *first_row,
+    int *last_row);
+
+#endif