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/* $Id: VBoxSFInit.cpp $ */
/** @file
* VBoxSF - OS/2 Shared Folders, Initialization.
*/
/*
* Copyright (c) 2007 knut st. osmundsen <bird-src-spam@anduin.net>
*
* Permission is hereby granted, free of charge, to any person
* obtaining a copy of this software and associated documentation
* files (the "Software"), to deal in the Software without
* restriction, including without limitation the rights to use,
* copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following
* conditions:
*
* The above copyright notice and this permission notice shall be
* included in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
* OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
* HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
* WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
* OTHER DEALINGS IN THE SOFTWARE.
*/
/*******************************************************************************
* Header Files *
*******************************************************************************/
#define LOG_GROUP LOG_GROUP_DEFAULT
#include "VBoxSFInternal.h"
#include <VBox/VBoxGuestLib.h>
#include <VBox/log.h>
#include <iprt/assert.h>
#include <iprt/initterm.h>
/*******************************************************************************
* Global Variables *
*******************************************************************************/
RT_C_DECLS_BEGIN
/* from VBoxSFA.asm */
extern RTFAR16 g_fpfnDevHlp;
extern VBOXGUESTOS2IDCCONNECT g_VBoxGuestIDC;
extern uint32_t g_u32Info;
/* from sys0.asm and the linker/end.lib. */
extern char _text, _etext, _data, _end;
RT_C_DECLS_END
/**
* 32-bit Ring-0 init routine.
*
* This is called the first time somebody tries to use the IFS.
* It will initialize IPRT, Vbgl and whatever else is required.
*
* The caller will do the necessary AttachDD and calling of the 16 bit
* IDC to initialize the g_VBoxGuestIDC global. Perhaps we should move
* this bit to VbglInit? It's just that it's so much simpler to do it
* while we're on the way here...
*
*/
DECLASM(void)
VBoxSFR0Init(void)
{
Log(("VBoxSFR0Init: g_fpfnDevHlp=%lx u32Version=%RX32 u32Session=%RX32 pfnServiceEP=%p g_u32Info=%u (%#x)\n",
g_fpfnDevHlp, g_VBoxGuestIDC.u32Version, g_VBoxGuestIDC.u32Session, g_VBoxGuestIDC.pfnServiceEP, g_u32Info, g_u32Info));
/*
* Start by initializing IPRT.
*/
if ( g_VBoxGuestIDC.u32Version == VMMDEV_VERSION
&& VALID_PTR(g_VBoxGuestIDC.u32Session)
&& VALID_PTR(g_VBoxGuestIDC.pfnServiceEP))
{
int rc = RTR0Init(0);
if (RT_SUCCESS(rc))
{
rc = VbglInit();
if (RT_SUCCESS(rc))
{
#ifndef DONT_LOCK_SEGMENTS
/*
* Lock the 32-bit segments in memory.
*/
static KernVMLock_t s_Text32, s_Data32;
rc = KernVMLock(VMDHL_LONG,
&_text, (uintptr_t)&_etext - (uintptr_t)&_text,
&s_Text32, (KernPageList_t *)-1, NULL);
AssertMsg(rc == NO_ERROR, ("locking text32 failed, rc=%d\n"));
rc = KernVMLock(VMDHL_LONG | VMDHL_WRITE,
&_data, (uintptr_t)&_end - (uintptr_t)&_data,
&s_Data32, (KernPageList_t *)-1, NULL);
AssertMsg(rc == NO_ERROR, ("locking text32 failed, rc=%d\n"));
#endif
Log(("VBoxSFR0Init: completed successfully\n"));
return;
}
}
LogRel(("VBoxSF: RTR0Init failed, rc=%Rrc\n", rc));
}
else
LogRel(("VBoxSF: Failed to connect to VBoxGuest.sys.\n"));
}
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