VirtualBox

source: vbox/trunk/src/VBox/Additions/os2/VBoxSF/VBoxSFInit.cpp@ 65902

最後變更 在這個檔案從65902是 58178,由 vboxsync 提交於 9 年 前

VbglInit -> VbglInitPrimary & VbglInitClient. VBoxGuestLib/Init.cpp cleanups and positive thinking.

  • 屬性 svn:eol-style 設為 native
  • 屬性 svn:keywords 設為 Id Revision
檔案大小: 4.4 KB
 
1/* $Id: VBoxSFInit.cpp 58178 2015-10-12 11:40:57Z vboxsync $ */
2/** @file
3 * VBoxSF - OS/2 Shared Folders, Initialization.
4 */
5
6/*
7 * Copyright (c) 2007 knut st. osmundsen <[email protected]>
8 *
9 * Permission is hereby granted, free of charge, to any person
10 * obtaining a copy of this software and associated documentation
11 * files (the "Software"), to deal in the Software without
12 * restriction, including without limitation the rights to use,
13 * copy, modify, merge, publish, distribute, sublicense, and/or sell
14 * copies of the Software, and to permit persons to whom the
15 * Software is furnished to do so, subject to the following
16 * conditions:
17 *
18 * The above copyright notice and this permission notice shall be
19 * included in all copies or substantial portions of the Software.
20 *
21 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
22 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
23 * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
24 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
25 * HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
26 * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
27 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
28 * OTHER DEALINGS IN THE SOFTWARE.
29 */
30
31
32/*********************************************************************************************************************************
33* Header Files *
34*********************************************************************************************************************************/
35#define LOG_GROUP LOG_GROUP_DEFAULT
36#include "VBoxSFInternal.h"
37
38#include <VBox/VBoxGuestLib.h>
39#include <VBox/log.h>
40#include <iprt/assert.h>
41#include <iprt/initterm.h>
42
43
44/*********************************************************************************************************************************
45* Global Variables *
46*********************************************************************************************************************************/
47RT_C_DECLS_BEGIN
48/* from VBoxSFA.asm */
49extern RTFAR16 g_fpfnDevHlp;
50extern VBOXGUESTOS2IDCCONNECT g_VBoxGuestIDC;
51extern uint32_t g_u32Info;
52/* from sys0.asm and the linker/end.lib. */
53extern char _text, _etext, _data, _end;
54RT_C_DECLS_END
55
56
57
58/**
59 * 32-bit Ring-0 init routine.
60 *
61 * This is called the first time somebody tries to use the IFS.
62 * It will initialize IPRT, Vbgl and whatever else is required.
63 *
64 * The caller will do the necessary AttachDD and calling of the 16 bit
65 * IDC to initialize the g_VBoxGuestIDC global. Perhaps we should move
66 * this bit to VbglInitClient? It's just that it's so much simpler to do it
67 * while we're on the way here...
68 *
69 */
70DECLASM(void) VBoxSFR0Init(void)
71{
72 Log(("VBoxSFR0Init: g_fpfnDevHlp=%lx u32Version=%RX32 u32Session=%RX32 pfnServiceEP=%p g_u32Info=%u (%#x)\n",
73 g_fpfnDevHlp, g_VBoxGuestIDC.u32Version, g_VBoxGuestIDC.u32Session, g_VBoxGuestIDC.pfnServiceEP, g_u32Info, g_u32Info));
74
75 /*
76 * Start by initializing IPRT.
77 */
78 if ( g_VBoxGuestIDC.u32Version == VMMDEV_VERSION
79 && VALID_PTR(g_VBoxGuestIDC.u32Session)
80 && VALID_PTR(g_VBoxGuestIDC.pfnServiceEP))
81 {
82 int rc = RTR0Init(0);
83 if (RT_SUCCESS(rc))
84 {
85 rc = VbglInitClient();
86 if (RT_SUCCESS(rc))
87 {
88#ifndef DONT_LOCK_SEGMENTS
89 /*
90 * Lock the 32-bit segments in memory.
91 */
92 static KernVMLock_t s_Text32, s_Data32;
93 rc = KernVMLock(VMDHL_LONG,
94 &_text, (uintptr_t)&_etext - (uintptr_t)&_text,
95 &s_Text32, (KernPageList_t *)-1, NULL);
96 AssertMsg(rc == NO_ERROR, ("locking text32 failed, rc=%d\n"));
97 rc = KernVMLock(VMDHL_LONG | VMDHL_WRITE,
98 &_data, (uintptr_t)&_end - (uintptr_t)&_data,
99 &s_Data32, (KernPageList_t *)-1, NULL);
100 AssertMsg(rc == NO_ERROR, ("locking text32 failed, rc=%d\n"));
101#endif
102
103 Log(("VBoxSFR0Init: completed successfully\n"));
104 return;
105 }
106 }
107
108 LogRel(("VBoxSF: RTR0Init failed, rc=%Rrc\n", rc));
109 }
110 else
111 LogRel(("VBoxSF: Failed to connect to VBoxGuest.sys.\n"));
112}
113
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