| 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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