1 | /* $Id: memuserkernel-r0drv-solaris.c 76553 2019-01-01 01:45:53Z vboxsync $ */
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2 | /** @file
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3 | * IPRT - User & Kernel Memory, Ring-0 Driver, Solaris.
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4 | */
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5 |
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6 | /*
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7 | * Copyright (C) 2009-2019 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 | #include <iprt/mem.h>
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34 |
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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 <iprt/assert.h>
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39 | #include <iprt/errcore.h>
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40 |
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41 |
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42 | RTR0DECL(int) RTR0MemUserCopyFrom(void *pvDst, RTR3PTR R3PtrSrc, size_t cb)
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43 | {
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44 | int rc;
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45 | RT_ASSERT_INTS_ON();
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46 |
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47 | rc = ddi_copyin((const char *)R3PtrSrc, pvDst, cb, 0 /*flags*/);
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48 | if (RT_LIKELY(rc == 0))
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49 | return VINF_SUCCESS;
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50 | return VERR_ACCESS_DENIED;
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51 | }
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52 |
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53 |
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54 | RTR0DECL(int) RTR0MemUserCopyTo(RTR3PTR R3PtrDst, void const *pvSrc, size_t cb)
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55 | {
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56 | int rc;
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57 | RT_ASSERT_INTS_ON();
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58 |
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59 | rc = ddi_copyout(pvSrc, (void *)R3PtrDst, cb, 0 /*flags*/);
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60 | if (RT_LIKELY(rc == 0))
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61 | return VINF_SUCCESS;
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62 | return VERR_ACCESS_DENIED;
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63 | }
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64 |
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65 |
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66 | RTR0DECL(bool) RTR0MemUserIsValidAddr(RTR3PTR R3Ptr)
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67 | {
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68 | return R3Ptr < kernelbase;
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69 | }
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70 |
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71 |
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72 | RTR0DECL(bool) RTR0MemKernelIsValidAddr(void *pv)
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73 | {
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74 | return (uintptr_t)pv >= kernelbase;
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75 | }
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76 |
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77 |
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78 | RTR0DECL(bool) RTR0MemAreKrnlAndUsrDifferent(void)
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79 | {
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80 | return true;
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81 | }
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82 |
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83 |
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84 | RTR0DECL(int) RTR0MemKernelCopyFrom(void *pvDst, void const *pvSrc, size_t cb)
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85 | {
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86 | int rc = kcopy(pvSrc, pvDst, cb);
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87 | if (RT_LIKELY(rc == 0))
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88 | return VINF_SUCCESS;
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89 | return VERR_ACCESS_DENIED;
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90 | }
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91 |
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92 |
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93 | RTR0DECL(int) RTR0MemKernelCopyTo(void *pvDst, void const *pvSrc, size_t cb)
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94 | {
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95 | int rc = kcopy(pvSrc, pvDst, cb);
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96 | if (RT_LIKELY(rc == 0))
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97 | return VINF_SUCCESS;
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98 | return VERR_ACCESS_DENIED;
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99 | }
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100 |
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