Initial import of qemu-2.4.1HEADmaster

1 files changed, 52 insertions, 0 deletions

diff --git a/tests/libqos/malloc-pc.c b/tests/libqos/malloc-pc.c
new file mode 100644
index 00000000..6e253b68
--- /dev/null
+++ b/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);
+}