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authorYang Zhang <yang.z.zhang@intel.com>2015-08-28 09:58:54 +0800
committerYang Zhang <yang.z.zhang@intel.com>2015-09-01 12:44:00 +0800
commite44e3482bdb4d0ebde2d8b41830ac2cdb07948fb (patch)
tree66b09f592c55df2878107a468a91d21506104d3f /qemu/tests/libqos/malloc-pc.c
parent9ca8dbcc65cfc63d6f5ef3312a33184e1d726e00 (diff)
Add qemu 2.4.0
Change-Id: Ic99cbad4b61f8b127b7dc74d04576c0bcbaaf4f5 Signed-off-by: Yang Zhang <yang.z.zhang@intel.com>
Diffstat (limited to 'qemu/tests/libqos/malloc-pc.c')
-rw-r--r--qemu/tests/libqos/malloc-pc.c52
1 files changed, 52 insertions, 0 deletions
diff --git a/qemu/tests/libqos/malloc-pc.c b/qemu/tests/libqos/malloc-pc.c
new file mode 100644
index 000000000..6e253b687
--- /dev/null
+++ b/qemu/tests/libqos/malloc-pc.c
@@ -0,0 +1,52 @@
+/*
+ * 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 "libqos/malloc-pc.h"
+#include "libqos/fw_cfg.h"
+
+#define NO_QEMU_PROTOS
+#include "hw/nvram/fw_cfg.h"
+
+#include "qemu-common.h"
+#include <glib.h>
+
+#define PAGE_SIZE (4096)
+
+/*
+ * Mostly for valgrind happiness, but it does offer
+ * a chokepoint for debugging guest memory leaks, too.
+ */
+void pc_alloc_uninit(QGuestAllocator *allocator)
+{
+ alloc_uninit(allocator);
+}
+
+QGuestAllocator *pc_alloc_init_flags(QAllocOpts flags)
+{
+ QGuestAllocator *s;
+ uint64_t ram_size;
+ QFWCFG *fw_cfg = pc_fw_cfg_init();
+
+ ram_size = qfw_cfg_get_u64(fw_cfg, FW_CFG_RAM_SIZE);
+ s = alloc_init_flags(flags, 1 << 20, MIN(ram_size, 0xE0000000));
+ alloc_set_page_size(s, PAGE_SIZE);
+
+ /* clean-up */
+ g_free(fw_cfg);
+
+ return s;
+}
+
+inline QGuestAllocator *pc_alloc_init(void)
+{
+ return pc_alloc_init_flags(ALLOC_NO_FLAGS);
+}