diff options
Diffstat (limited to 'src/VBox/VMM/VMMAll/MMAllHyper.cpp')
| -rw-r--r-- | src/VBox/VMM/VMMAll/MMAllHyper.cpp | 20 |
1 files changed, 16 insertions, 4 deletions
diff --git a/src/VBox/VMM/VMMAll/MMAllHyper.cpp b/src/VBox/VMM/VMMAll/MMAllHyper.cpp index 4d12895b..b62dd6d7 100644 --- a/src/VBox/VMM/VMMAll/MMAllHyper.cpp +++ b/src/VBox/VMM/VMMAll/MMAllHyper.cpp @@ -4,7 +4,7 @@ */ /* - * Copyright (C) 2006-2007 Oracle Corporation + * Copyright (C) 2006-2012 Oracle Corporation * * This file is part of VirtualBox Open Source Edition (OSE), as * available from http://www.virtualbox.org. This file is free software; @@ -321,14 +321,13 @@ static int mmHyperAllocInternal(PVM pVM, size_t cb, unsigned uAlignment, MMTAG e return VERR_MM_HYPER_NO_MEMORY; } + /** * Wrapper for mmHyperAllocInternal */ VMMDECL(int) MMHyperAlloc(PVM pVM, size_t cb, unsigned uAlignment, MMTAG enmTag, void **ppv) { - int rc; - - rc = mmHyperLock(pVM); + int rc = mmHyperLock(pVM); AssertRCReturn(rc, rc); LogFlow(("MMHyperAlloc %x align=%x tag=%s\n", cb, uAlignment, mmGetTagName(enmTag))); @@ -339,6 +338,19 @@ VMMDECL(int) MMHyperAlloc(PVM pVM, size_t cb, unsigned uAlignment, MMTAG enmTag, return rc; } + +/** + * Duplicates a block of memory. + */ +VMMDECL(int) MMHyperDupMem(PVM pVM, const void *pvSrc, size_t cb, unsigned uAlignment, MMTAG enmTag, void **ppv) +{ + int rc = MMHyperAlloc(pVM, cb, uAlignment, enmTag, ppv); + if (RT_SUCCESS(rc)) + memcpy(*ppv, pvSrc, cb); + return rc; +} + + /** * Allocates a chunk of memory from the specified heap. * The caller validates the parameters of this request. |