2 * libqos malloc support for PC
4 * Copyright IBM, Corp. 2012-2013
9 * This work is licensed under the terms of the GNU GPL, version 2 or later.
10 * See the COPYING file in the top-level directory.
13 #include "qemu/osdep.h"
14 #include "libqos/malloc-pc.h"
15 #include "libqos/fw_cfg.h"
17 #define NO_QEMU_PROTOS
18 #include "hw/nvram/fw_cfg.h"
20 #include "qemu-common.h"
23 #define PAGE_SIZE (4096)
26 * Mostly for valgrind happiness, but it does offer
27 * a chokepoint for debugging guest memory leaks, too.
29 void pc_alloc_uninit(QGuestAllocator *allocator)
31 alloc_uninit(allocator);
34 QGuestAllocator *pc_alloc_init_flags(QAllocOpts flags)
38 QFWCFG *fw_cfg = pc_fw_cfg_init();
40 ram_size = qfw_cfg_get_u64(fw_cfg, FW_CFG_RAM_SIZE);
41 s = alloc_init_flags(flags, 1 << 20, MIN(ram_size, 0xE0000000));
42 alloc_set_page_size(s, PAGE_SIZE);
50 inline QGuestAllocator *pc_alloc_init(void)
52 return pc_alloc_init_flags(ALLOC_NO_FLAGS);