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Diffstat (limited to '')
-rw-r--r-- | src/VBox/ValidationKit/bootsectors/bs3kit/bs3-cmn-TestSendCmdWithStr.asm | 90 |
1 files changed, 90 insertions, 0 deletions
diff --git a/src/VBox/ValidationKit/bootsectors/bs3kit/bs3-cmn-TestSendCmdWithStr.asm b/src/VBox/ValidationKit/bootsectors/bs3kit/bs3-cmn-TestSendCmdWithStr.asm new file mode 100644 index 00000000..4f61abc6 --- /dev/null +++ b/src/VBox/ValidationKit/bootsectors/bs3kit/bs3-cmn-TestSendCmdWithStr.asm @@ -0,0 +1,90 @@ +; $Id: bs3-cmn-TestSendCmdWithStr.asm $ +;; @file +; BS3Kit - bs3TestSendStrCmd. +; + +; +; Copyright (C) 2007-2023 Oracle and/or its affiliates. +; +; This file is part of VirtualBox base platform packages, as +; available from https://www.virtualbox.org. +; +; This program is free software; you can redistribute it and/or +; modify it under the terms of the GNU General Public License +; as published by the Free Software Foundation, in version 3 of the +; License. +; +; This program is distributed in the hope that it will be useful, but +; WITHOUT ANY WARRANTY; without even the implied warranty of +; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +; General Public License for more details. +; +; You should have received a copy of the GNU General Public License +; along with this program; if not, see <https://www.gnu.org/licenses>. +; +; The contents of this file may alternatively be used under the terms +; of the Common Development and Distribution License Version 1.0 +; (CDDL), a copy of it is provided in the "COPYING.CDDL" file included +; in the VirtualBox 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. +; +; SPDX-License-Identifier: GPL-3.0-only OR CDDL-1.0 +; + +%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 + |