VirtualBox

source: vbox/trunk/src/VBox/Runtime/r0drv/solaris/memuserkernel-r0drv-solaris.c@ 81106

Last change on this file since 81106 was 76553, checked in by vboxsync, 6 years ago

scm --update-copyright-year

  • Property svn:eol-style set to native
  • Property svn:keywords set to Author Date Id Revision
File size: 2.9 KB
Line 
1/* $Id: memuserkernel-r0drv-solaris.c 76553 2019-01-01 01:45:53Z vboxsync $ */
2/** @file
3 * IPRT - User & Kernel Memory, Ring-0 Driver, Solaris.
4 */
5
6/*
7 * Copyright (C) 2009-2019 Oracle Corporation
8 *
9 * This file is part of VirtualBox Open Source Edition (OSE), as
10 * available from http://www.virtualbox.org. This file is free software;
11 * you can redistribute it and/or modify it under the terms of the GNU
12 * General Public License (GPL) as published by the Free Software
13 * Foundation, in version 2 as it comes in the "COPYING" file of the
14 * VirtualBox OSE distribution. VirtualBox OSE is distributed in the
15 * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
16 *
17 * The contents of this file may alternatively be used under the terms
18 * of the Common Development and Distribution License Version 1.0
19 * (CDDL) only, as it comes in the "COPYING.CDDL" file of the
20 * VirtualBox OSE distribution, in which case the provisions of the
21 * CDDL are applicable instead of those of the GPL.
22 *
23 * You may elect to license modified versions of this file under the
24 * terms and conditions of either the GPL or the CDDL or both.
25 */
26
27
28/*********************************************************************************************************************************
29* Header Files *
30*********************************************************************************************************************************/
31#include "the-solaris-kernel.h"
32#include "internal/iprt.h"
33#include <iprt/mem.h>
34
35#if defined(RT_ARCH_AMD64) || defined(RT_ARCH_X86)
36# include <iprt/asm-amd64-x86.h>
37#endif
38#include <iprt/assert.h>
39#include <iprt/errcore.h>
40
41
42RTR0DECL(int) RTR0MemUserCopyFrom(void *pvDst, RTR3PTR R3PtrSrc, size_t cb)
43{
44 int rc;
45 RT_ASSERT_INTS_ON();
46
47 rc = ddi_copyin((const char *)R3PtrSrc, pvDst, cb, 0 /*flags*/);
48 if (RT_LIKELY(rc == 0))
49 return VINF_SUCCESS;
50 return VERR_ACCESS_DENIED;
51}
52
53
54RTR0DECL(int) RTR0MemUserCopyTo(RTR3PTR R3PtrDst, void const *pvSrc, size_t cb)
55{
56 int rc;
57 RT_ASSERT_INTS_ON();
58
59 rc = ddi_copyout(pvSrc, (void *)R3PtrDst, cb, 0 /*flags*/);
60 if (RT_LIKELY(rc == 0))
61 return VINF_SUCCESS;
62 return VERR_ACCESS_DENIED;
63}
64
65
66RTR0DECL(bool) RTR0MemUserIsValidAddr(RTR3PTR R3Ptr)
67{
68 return R3Ptr < kernelbase;
69}
70
71
72RTR0DECL(bool) RTR0MemKernelIsValidAddr(void *pv)
73{
74 return (uintptr_t)pv >= kernelbase;
75}
76
77
78RTR0DECL(bool) RTR0MemAreKrnlAndUsrDifferent(void)
79{
80 return true;
81}
82
83
84RTR0DECL(int) RTR0MemKernelCopyFrom(void *pvDst, void const *pvSrc, size_t cb)
85{
86 int rc = kcopy(pvSrc, pvDst, cb);
87 if (RT_LIKELY(rc == 0))
88 return VINF_SUCCESS;
89 return VERR_ACCESS_DENIED;
90}
91
92
93RTR0DECL(int) RTR0MemKernelCopyTo(void *pvDst, void const *pvSrc, size_t cb)
94{
95 int rc = kcopy(pvSrc, pvDst, cb);
96 if (RT_LIKELY(rc == 0))
97 return VINF_SUCCESS;
98 return VERR_ACCESS_DENIED;
99}
100
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