blob: bbd1b4827e54d92082119143642a75712cd3c87c [file] [log] [blame]
/*
* libqos malloc support for PC
*
* 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.
*/
#include "qemu/osdep.h"
#include "malloc-pc.h"
#include "fw_cfg.h"
#include "standard-headers/linux/qemu_fw_cfg.h"
#define ALLOC_PAGE_SIZE (4096)
void pc_alloc_init(QGuestAllocator *s, QTestState *qts, QAllocOpts flags)
{
uint64_t ram_size;
QFWCFG *fw_cfg = pc_fw_cfg_init(qts);
ram_size = qfw_cfg_get_u64(fw_cfg, FW_CFG_RAM_SIZE);
alloc_init(s, flags, 1 << 20, MIN(ram_size, 0xE0000000), ALLOC_PAGE_SIZE);
/* clean-up */
pc_fw_cfg_uninit(fw_cfg);
}