1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
|
; $Id$
;; @file
; BS3Kit - bs3TestSendStrCmd.
;
;
; Copyright (C) 2007-2022 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"
%include "VBox/VMMDevTesting.mac"
BS3_EXTERN_DATA16 g_fbBs3VMMDevTesting
TMPL_BEGIN_TEXT
;;
; @cproto BS3_DECL(void) bs3TestSendCmdWithStr_c16(uint32_t uCmd, const char BS3_FAR *pszString);
;
BS3_PROC_BEGIN_CMN bs3TestSendCmdWithStr, BS3_PBC_HYBRID
BS3_CALL_CONV_PROLOG 2
push xBP
mov xBP, xSP
push xAX
push xDX
push xSI
BONLY16 push ds
cmp byte [BS3_DATA16_WRT(g_fbBs3VMMDevTesting)], 0
je .no_vmmdev
; The command (uCmd).
mov dx, VMMDEV_TESTING_IOPORT_CMD
%if TMPL_BITS == 16
mov ax, [xBP + xCB + cbCurRetAddr] ; We ignore the top bits in 16-bit mode.
out dx, ax
%else
mov eax, [xBP + xCB + cbCurRetAddr]
out dx, eax
%endif
; The string.
mov dx, VMMDEV_TESTING_IOPORT_DATA
%if TMPL_BITS == 16
lds si, [xBP + xCB + cbCurRetAddr + sCB]
%else
mov xSI, [xBP + xCB + cbCurRetAddr + sCB]
%endif
.next_char:
lodsb
out dx, al
test al, al
jnz .next_char
.no_vmmdev:
BONLY16 pop ds
pop xSI
pop xDX
pop xAX
pop xBP
BS3_CALL_CONV_EPILOG 2
BS3_HYBRID_RET
BS3_PROC_END_CMN bs3TestSendCmdWithStr
|
