console: add qemu_create_displaysurface_guestmem

This patch adds a qemu_create_displaysurface_guestmem helper function.
Works simliar to qemu_create_displaysurface_from, but accepts a
guest address instead of a host pointer and it handles
cpu_physical_memory_{map,unmap} for you.

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>

1 files changed, 4 insertions, 0 deletions

diff --git a/include/ui/console.h b/include/ui/console.h
index 68ac362..61901f7 100644
--- a/include/ui/console.h
+++ b/include/ui/console.h
@@ -189,6 +189,10 @@ DisplayState *init_displaystate(void);
 DisplaySurface *qemu_create_displaysurface_from(int width, int height,
                                                 pixman_format_code_t format,
                                                 int linesize, uint8_t *data);
+DisplaySurface *qemu_create_displaysurface_guestmem(int width, int height,
+                                                    pixman_format_code_t format,
+                                                    int linesize,
+                                                    uint64_t addr);
 PixelFormat qemu_different_endianness_pixelformat(int bpp);
 PixelFormat qemu_default_pixelformat(int bpp);