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libqos: add malloc support

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This is a very simple allocator for the PC platform.  It should
be possible to add backends for other platforms.

Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
Message-id: 1366123521-4330-5-git-send-email-aliguori@us.ibm.com
This commit is contained in:
Anthony Liguori 2013-04-16 09:45:18 -05:00
parent 234c69c5f9
commit 8a0743cf74
4 changed files with 130 additions and 0 deletions
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38
tests/libqos/malloc.h Normal file
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/*
* libqos malloc support
*
* Copyright IBM, Corp. 2012-2013
*
* Authors:
* Anthony Liguori <aliguori@us.ibm.com>
*
* This work is licensed under the terms of the GNU GPL, version 2 or later.
* See the COPYING file in the top-level directory.
*/
#ifndef LIBQOS_MALLOC_H
#define LIBQOS_MALLOC_H
#include <stdint.h>
#include <sys/types.h>
typedef struct QGuestAllocator QGuestAllocator;
struct QGuestAllocator
{
uint64_t (*alloc)(QGuestAllocator *allocator, size_t size);
void (*free)(QGuestAllocator *allocator, uint64_t addr);
};
/* Always returns page aligned values */
static inline uint64_t guest_alloc(QGuestAllocator *allocator, size_t size)
{
return allocator->alloc(allocator, size);
}
static inline void guest_free(QGuestAllocator *allocator, uint64_t addr)
{
allocator->alloc(allocator, addr);
}
#endif