1 files changed, 71 insertions, 0 deletions
diff --git a/src/VBox/ValidationKit/bootsectors/bs3kit/bs3-wc32-I8D.asm b/src/VBox/ValidationKit/bootsectors/bs3kit/bs3-wc32-I8D.asm
new file mode 100644
index 00000000..1785c132
--- /dev/null
+++ b/src/VBox/ValidationKit/bootsectors/bs3kit/bs3-wc32-I8D.asm
@@ -0,0 +1,71 @@
+; $Id: bs3-wc32-I8D.asm $
+;; @file
+; BS3Kit - 32-bit Watcom C/C++, 64-bit signed integer division.
+;
+
+;
+; Copyright (C) 2007-2019 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.
+;
+; The contents of this file may alternatively be used under the terms
+; of the Common Development and Distribution License Version 1.0
+; (CDDL) only, as it comes in the "COPYING.CDDL" file of the
+; VirtualBox OSE distribution, in which case the provisions of the
+; CDDL are applicable instead of those of the GPL.
+;
+; You may elect to license modified versions of this file under the
+; terms and conditions of either the GPL or the CDDL or both.
+;
+
+%include "bs3kit-template-header.mac"
+
+BS3_EXTERN_CMN Bs3Int64Div
+
+
+;;
+; 64-bit signed integer division.
+;
+; @returns  EDX:EAX Quotient, ECX:EBX Remainder.
+; @param    EDX:EAX     Dividend.
+; @param    ECX:EBX     Divisor
+;
+global $??I8D
+$??I8D:
+        ;
+        ; Convert to a C __cdecl call - not doing this in assembly.
+        ;
+
+        ; Set up a frame, allocating 16 bytes for the result buffer.
+        push    ebp
+        mov     ebp, esp
+        sub     esp, 10h
+
+        ; Pointer to the return buffer.
+        push    esp
+
+        ; The dividend.
+        push    ecx
+        push    ebx
+
+        ; The dividend.
+        push    edx
+        push    eax
+
+        call    Bs3Int64Div
+
+        ; Load the result.
+        mov     ecx, [ebp - 10h + 12]
+        mov     ebx, [ebp - 10h + 8]
+        mov     edx, [ebp - 10h + 4]
+        mov     eax, [ebp - 10h]
+
+        leave
+        ret
+