| 1 | /* $Id: initterm-r0drv-solaris.c 36555 2011-04-05 12:34:09Z vboxsync $ */
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| 2 | /** @file
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| 3 | * IPRT - Initialization & Termination, R0 Driver, Solaris.
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| 4 | */
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| 5 |
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| 6 | /*
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| 7 | * Copyright (C) 2006-2010 Oracle Corporation
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| 8 | *
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| 9 | * This file is part of VirtualBox Open Source Edition (OSE), as
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| 10 | * available from http://www.virtualbox.org. This file is free software;
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| 11 | * you can redistribute it and/or modify it under the terms of the GNU
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| 12 | * General Public License (GPL) as published by the Free Software
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| 13 | * Foundation, in version 2 as it comes in the "COPYING" file of the
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| 14 | * VirtualBox OSE distribution. VirtualBox OSE is distributed in the
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| 15 | * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
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| 16 | *
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| 17 | * The contents of this file may alternatively be used under the terms
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| 18 | * of the Common Development and Distribution License Version 1.0
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| 19 | * (CDDL) only, as it comes in the "COPYING.CDDL" file of the
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| 20 | * VirtualBox OSE distribution, in which case the provisions of the
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| 21 | * CDDL are applicable instead of those of the GPL.
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| 22 | *
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| 23 | * You may elect to license modified versions of this file under the
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| 24 | * terms and conditions of either the GPL or the CDDL or both.
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| 25 | */
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| 26 |
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| 27 |
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| 28 | /*******************************************************************************
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| 29 | * Header Files *
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| 30 | *******************************************************************************/
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| 31 | #include "the-solaris-kernel.h"
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| 32 | #include "internal/iprt.h"
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| 33 |
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| 34 | #include <iprt/err.h>
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| 35 | #if defined(RT_ARCH_AMD64) || defined(RT_ARCH_X86)
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| 36 | # include <iprt/asm-amd64-x86.h>
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| 37 | #endif
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| 38 | #include "internal/initterm.h"
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| 39 |
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| 40 |
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| 41 | /*******************************************************************************
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| 42 | * Global Variables *
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| 43 | *******************************************************************************/
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| 44 | /** Indicates that the spl routines (and therefore a bunch of other ones too)
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| 45 | * will set EFLAGS::IF and break code that disables interrupts. */
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| 46 | bool g_frtSolarisSplSetsEIF = false;
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| 47 |
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| 48 | /** timeout_generic address. */
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| 49 | PFNSOL_timeout_generic g_pfnrtR0Sol_timeout_generic = NULL;
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| 50 | /** untimeout_generic address. */
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| 51 | PFNSOL_untimeout_generic g_pfnrtR0Sol_untimeout_generic = NULL;
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| 52 | /** cyclic_reprogram address. */
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| 53 | PFNSOL_cyclic_reprogram g_pfnrtR0Sol_cyclic_reprogram = NULL;
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| 54 |
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| 55 |
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| 56 | DECLHIDDEN(int) rtR0InitNative(void)
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| 57 | {
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| 58 | /*
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| 59 | * Initialize vbi (keeping it separate for now)
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| 60 | */
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| 61 | int rc = vbi_init();
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| 62 | if (!rc)
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| 63 | {
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| 64 | #if defined(RT_ARCH_AMD64) || defined(RT_ARCH_X86)
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| 65 | /*
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| 66 | * Detect whether spl*() is preserving the interrupt flag or not.
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| 67 | * This is a problem on S10.
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| 68 | */
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| 69 | RTCCUINTREG uOldFlags = ASMIntDisableFlags();
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| 70 | int iOld = splr(DISP_LEVEL);
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| 71 | if (ASMIntAreEnabled())
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| 72 | g_frtSolarisSplSetsEIF = true;
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| 73 | splx(iOld);
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| 74 | if (ASMIntAreEnabled())
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| 75 | g_frtSolarisSplSetsEIF = true;
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| 76 | ASMSetFlags(uOldFlags);
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| 77 | #else
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| 78 | /* PORTME: See if the amd64/x86 problem applies to this architecture. */
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| 79 | #endif
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| 80 |
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| 81 | /*
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| 82 | * Dynamically resolve new symbols we want to use.
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| 83 | */
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| 84 | g_pfnrtR0Sol_timeout_generic = (PFNSOL_timeout_generic )kobj_getsymvalue("timeout_generic", 1);
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| 85 | g_pfnrtR0Sol_untimeout_generic = (PFNSOL_untimeout_generic)kobj_getsymvalue("untimeout_generic", 1);
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| 86 | if ((g_pfnrtR0Sol_timeout_generic == NULL) != (g_pfnrtR0Sol_untimeout_generic == NULL))
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| 87 | {
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| 88 | static const char *s_apszFn[2] = { "timeout_generic", "untimeout_generic" };
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| 89 | bool iMissingFn = g_pfnrtR0Sol_timeout_generic == NULL;
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| 90 | cmn_err(CE_NOTE, "rtR0InitNative: Weird! Found %s but not %s!\n", s_apszFn[!iMissingFn], s_apszFn[iMissingFn]);
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| 91 | g_pfnrtR0Sol_timeout_generic = NULL;
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| 92 | g_pfnrtR0Sol_untimeout_generic = NULL;
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| 93 | }
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| 94 |
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| 95 | g_pfnrtR0Sol_cyclic_reprogram = (PFNSOL_cyclic_reprogram )kobj_getsymvalue("cyclic_reprogram", 1);
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| 96 |
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| 97 |
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| 98 | return VINF_SUCCESS;
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| 99 | }
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| 100 | cmn_err(CE_NOTE, "vbi_init failed. rc=%d\n", rc);
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| 101 | return VERR_GENERAL_FAILURE;
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| 102 | }
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| 103 |
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| 104 |
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| 105 | DECLHIDDEN(void) rtR0TermNative(void)
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| 106 | {
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| 107 | }
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| 108 |
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