Adding upstream version 6.0.4-dfsg.upstream/6.0.4-dfsgupstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 55 insertions, 0 deletions

diff --git a/src/VBox/Devices/BiosCommonCode/__U8LS.asm b/src/VBox/Devices/BiosCommonCode/__U8LS.asm
new file mode 100644
index 00000000..55cec7a9
--- /dev/null
+++ b/src/VBox/Devices/BiosCommonCode/__U8LS.asm
@@ -0,0 +1,55 @@
+; $Id: __U8LS.asm $
+;; @file
+; Compiler support routines.
+;
+
+;
+; Copyright (C) 2012-2019 Oracle Corporation
+;
+; This file is part of VirtualBox Open Source Edition (OSE), as
+; available from http://www.virtualbox.org. This file is free software;
+; you can redistribute it and/or modify it under the terms of the GNU
+; General Public License (GPL) as published by the Free Software
+; Foundation, in version 2 as it comes in the "COPYING" file of the
+; VirtualBox OSE distribution. VirtualBox OSE is distributed in the
+; hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
+;
+
+
+;*******************************************************************************
+;*  Exported Symbols                                                           *
+;*******************************************************************************
+public          __U8LS
+
+
+                .8086
+
+_TEXT           segment public 'CODE' use16
+                assume cs:_TEXT
+
+;;
+; 64-bit left shift.
+;
+; @param    ax:bx:cx:dx Value. (AX is the most significant, DX the least)
+; @param    si          Shift count.
+; @returns  ax:bx:cx:dx Shifted value.
+; si is zeroed
+;
+__U8LS:
+
+                test    si, si
+                jz      u8ls_quit
+u8ls_rot:
+                shl     dx, 1
+                rcl     cx, 1
+                rcl     bx, 1
+                rcl     ax, 1
+                dec     si
+                jnz     u8ls_rot
+u8ls_quit:
+                ret
+
+
+_TEXT           ends
+                end
+