initterm-r0drv-solaris.c revision 5eb8c49f193655f19bb89b653df8643091fa987b
/* $Id$ */
/** @file
* IPRT - Initialization & Termination, R0 Driver, Solaris.
*/
/*
* Copyright (C) 2006-2010 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.
*/
/*******************************************************************************
* Header Files *
*******************************************************************************/
#include "the-solaris-kernel.h"
#include "internal/iprt.h"
#include <iprt/err.h>
#if defined(RT_ARCH_AMD64) || defined(RT_ARCH_X86)
# include <iprt/asm-amd64-x86.h>
#endif
#include "internal/initterm.h"
/*******************************************************************************
* Global Variables *
*******************************************************************************/
/** Indicates that the spl routines (and therefore a bunch of other ones too)
* will set EFLAGS::IF and break code that disables interrupts. */
bool g_frtSolarisSplSetsEIF = false;
/** timeout_generic address. */
PFNSOL_timeout_generic g_pfnrtR0Sol_timeout_generic = NULL;
/** untimeout_generic address. */
PFNSOL_untimeout_generic g_pfnrtR0Sol_untimeout_generic = NULL;
/** cyclic_reprogram address. */
PFNSOL_cyclic_reprogram g_pfnrtR0Sol_cyclic_reprogram = NULL;
int rtR0InitNative(void)
{
/*
* Initialize vbi (keeping it separate for now)
*/
int rc = vbi_init();
if (!rc)
{
#if defined(RT_ARCH_AMD64) || defined(RT_ARCH_X86)
/*
* Detech whether spl*() is preserving the interrupt flag or not.
* This is a problem on S10.
*/
RTCCUINTREG uOldFlags = ASMIntDisableFlags();
int iOld = splr(DISP_LEVEL);
if (ASMIntAreEnabled())
g_frtSolarisSplSetsEIF = true;
splx(iOld);
if (ASMIntAreEnabled())
g_frtSolarisSplSetsEIF = true;
ASMSetFlags(uOldFlags);
#else
/* PORTME: See if the amd64/x86 problem applies to this architecture. */
#endif
/*
* Dynamically resolve new symbols we want to use.
*/
g_pfnrtR0Sol_timeout_generic = (PFNSOL_timeout_generic )kobj_getsymvalue("timeout_generic", 1);
g_pfnrtR0Sol_untimeout_generic = (PFNSOL_untimeout_generic)kobj_getsymvalue("untimeout_generic", 1);
if ((g_pfnrtR0Sol_timeout_generic == NULL) != (g_pfnrtR0Sol_untimeout_generic == NULL))
{
static const char *s_apszFn[2] = { "timeout_generic", "untimeout_generic" };
bool iMissingFn = g_pfnrtR0Sol_timeout_generic == NULL;
cmn_err(CE_NOTE, "rtR0InitNative: Weird! Found %s but not %s!\n", s_apszFn[!iMissingFn], s_apszFn[iMissingFn]);
g_pfnrtR0Sol_timeout_generic = NULL;
g_pfnrtR0Sol_untimeout_generic = NULL;
}
g_pfnrtR0Sol_cyclic_reprogram = (PFNSOL_cyclic_reprogram )kobj_getsymvalue("cyclic_reprogram", 1);
return VINF_SUCCESS;
}
cmn_err(CE_NOTE, "vbi_init failed. rc=%d\n", rc);
return VERR_GENERAL_FAILURE;
}
void rtR0TermNative(void)
{
}