X-Git-Url: https://gerrit.opnfv.org/gerrit/gitweb?p=kvmfornfv.git;a=blobdiff_plain;f=qemu%2Froms%2Fipxe%2Fsrc%2Farch%2Fi386%2Finclude%2Frealmode.h;h=4defd3b9743675ba5e056205b8b419a1c3d8cb82;hp=dafc5a32add40741a8dec3944032a69b6d5b4763;hb=437fd90c0250dee670290f9b714253671a990160;hpb=5bbd6fe9b8bab2a93e548c5a53b032d1939eec05

diff --git a/qemu/roms/ipxe/src/arch/i386/include/realmode.h b/qemu/roms/ipxe/src/arch/i386/include/realmode.h
index dafc5a32a..4defd3b97 100644
--- a/qemu/roms/ipxe/src/arch/i386/include/realmode.h
+++ b/qemu/roms/ipxe/src/arch/i386/include/realmode.h
@@ -10,7 +10,7 @@
  *
  */
 
-FILE_LICENCE ( GPL2_OR_LATER );
+FILE_LICENCE ( GPL2_OR_LATER_OR_UBDL );
 
 /*
  * Declaration of variables in .data16
@@ -64,6 +64,18 @@ FILE_LICENCE ( GPL2_OR_LATER );
  * assembler output to make sure that it's doing the right thing.
  */
 
+/**
+ * Convert segment:offset address to user buffer
+ *
+ * @v segment		Real-mode segment
+ * @v offset		Real-mode offset
+ * @ret buffer		User buffer
+ */
+static inline __always_inline userptr_t
+real_to_user ( unsigned int segment, unsigned int offset ) {
+	return ( phys_to_user ( ( segment << 4 ) + offset ) );
+}
+
 /**
  * Copy data to base memory
  *