LXR qemu/tests/libqos/malloc-pc.c

   1/*
   2 * libqos malloc support for PC
   3 *
   4 * Copyright IBM, Corp. 2012-2013
   5 *
   6 * Authors:
   7 *  Anthony Liguori   <aliguori@us.ibm.com>
   8 *
   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.
  11 */
  12
  13#include "qemu/osdep.h"
  14#include "libqos/malloc-pc.h"
  15#include "libqos/fw_cfg.h"
  16
  17#include "standard-headers/linux/qemu_fw_cfg.h"
  18
  19#include "qemu-common.h"
  20
  21#define PAGE_SIZE (4096)
  22
  23void pc_alloc_init(QGuestAllocator *s, QTestState *qts, QAllocOpts flags)
  24{
  25    uint64_t ram_size;
  26    QFWCFG *fw_cfg = pc_fw_cfg_init(qts);
  27
  28    ram_size = qfw_cfg_get_u64(fw_cfg, FW_CFG_RAM_SIZE);
  29    alloc_init(s, flags, 1 << 20, MIN(ram_size, 0xE0000000), PAGE_SIZE);
  30
  31    /* clean-up */
  32    pc_fw_cfg_uninit(fw_cfg);
  33}
  34