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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-27 14:19:18 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-27 14:19:18 +0000 |
commit | 4035b1bfb1e5843a539a8b624d21952b756974d1 (patch) | |
tree | f1e9cd5bf548cbc57ff2fddfb2b4aa9ae95587e2 /src/VBox/Runtime/r0drv/netbsd/memuserkernel-r0drv-netbsd.c | |
parent | Initial commit. (diff) | |
download | virtualbox-4035b1bfb1e5843a539a8b624d21952b756974d1.tar.xz virtualbox-4035b1bfb1e5843a539a8b624d21952b756974d1.zip |
Adding upstream version 6.1.22-dfsg.upstream/6.1.22-dfsgupstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'src/VBox/Runtime/r0drv/netbsd/memuserkernel-r0drv-netbsd.c')
-rw-r--r-- | src/VBox/Runtime/r0drv/netbsd/memuserkernel-r0drv-netbsd.c | 82 |
1 files changed, 82 insertions, 0 deletions
diff --git a/src/VBox/Runtime/r0drv/netbsd/memuserkernel-r0drv-netbsd.c b/src/VBox/Runtime/r0drv/netbsd/memuserkernel-r0drv-netbsd.c new file mode 100644 index 00000000..c6cb7d0f --- /dev/null +++ b/src/VBox/Runtime/r0drv/netbsd/memuserkernel-r0drv-netbsd.c @@ -0,0 +1,82 @@ +/* $Id: memuserkernel-r0drv-netbsd.c $ */ +/** @file + * IPRT - User & Kernel Memory, Ring-0 Driver, NetBSD. + */ + +/* + * Copyright (C) 2009-2020 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-netbsd-kernel.h" + +#include <iprt/mem.h> +#include <iprt/errcore.h> + + +RTR0DECL(int) RTR0MemUserCopyFrom(void *pvDst, RTR3PTR R3PtrSrc, size_t cb) +{ + int rc = copyin((const void *)R3PtrSrc, pvDst, cb); + if (RT_LIKELY(rc == 0)) + return VINF_SUCCESS; + return VERR_ACCESS_DENIED; +} + + +RTR0DECL(int) RTR0MemUserCopyTo(RTR3PTR R3PtrDst, void const *pvSrc, size_t cb) +{ + int rc = copyout(pvSrc, (void *)R3PtrDst, cb); + if (RT_LIKELY(rc == 0)) + return VINF_SUCCESS; + return VERR_ACCESS_DENIED; +} + + +RTR0DECL(bool) RTR0MemUserIsValidAddr(RTR3PTR R3Ptr) +{ + return R3Ptr < VM_MAXUSER_ADDRESS; +} + + +RTR0DECL(bool) RTR0MemKernelIsValidAddr(void *pv) +{ + return (uintptr_t)pv >= VM_MAXUSER_ADDRESS; +} + + +RTR0DECL(bool) RTR0MemAreKrnlAndUsrDifferent(void) +{ + return true; +} + + +RTR0DECL(int) RTR0MemKernelCopyFrom(void *pvDst, void const *pvSrc, size_t cb) +{ + return VERR_NOT_SUPPORTED; +} + + +RTR0DECL(int) RTR0MemKernelCopyTo(void *pvDst, void const *pvSrc, size_t cb) +{ + return VERR_NOT_SUPPORTED; +} |