From: Marc Marí <marc.mari.barc...@gmail.com>
This malloc is a basic interface implementation that works for any platform.
It should be replaced in the future for a real malloc implementation for each
of the platforms.
Signed-off-by: Marc Marí <marc.mari.barc...@gmail.com>
Signed-off-by: Stefan Hajnoczi <stefa...@redhat.com>
---
tests/libqos/malloc-generic.c | 50 +++++++++++++++++++++++++++++++++++++++++++
tests/libqos/malloc-generic.h | 21 ++++++++++++++++++
2 files changed, 71 insertions(+)
create mode 100644 tests/libqos/malloc-generic.c
create mode 100644 tests/libqos/malloc-generic.h
diff --git a/tests/libqos/malloc-generic.c b/tests/libqos/malloc-generic.c
new file mode 100644
index 0000000..a0878c5
--- /dev/null
+++ b/tests/libqos/malloc-generic.c
@@ -0,0 +1,50 @@
+/*
+ * Basic libqos generic malloc support
+ *
+ * Copyright (c) 2014 Marc Marí
+ *
+ * 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 <glib.h>
+#include "libqos/malloc-generic.h"
+#include "libqos/malloc.h"
+
+/*
+ * Mostly for valgrind happiness, but it does offer
+ * a chokepoint for debugging guest memory leaks, too.
+ */
+void generic_alloc_uninit(QGuestAllocator *allocator)
+{
+ alloc_uninit(allocator);
+}
+
+QGuestAllocator *generic_alloc_init_flags(uint64_t base_addr, uint64_t size,
+ uint32_t page_size, QAllocOpts flags)
+{
+ QGuestAllocator *s = g_malloc0(sizeof(*s));
+ MemBlock *node;
+
+ s->opts = flags;
+ s->page_size = page_size;
+
+ /* Start at 1MB */
+ s->start = base_addr + (1 << 20);
+
+ s->end = s->start + size;
+
+ QTAILQ_INIT(&s->used);
+ QTAILQ_INIT(&s->free);
+
+ node = mlist_new(s->start, s->end - s->start);
+ QTAILQ_INSERT_HEAD(&s->free, node, MLIST_ENTNAME);
+
+ return s;
+}
+
+inline QGuestAllocator *generic_alloc_init(uint64_t base_addr, uint64_t size,
+ uint32_t page_size)
+{
+ return generic_alloc_init_flags(base_addr, size, page_size,
ALLOC_NO_FLAGS);
+}
diff --git a/tests/libqos/malloc-generic.h b/tests/libqos/malloc-generic.h
new file mode 100644
index 0000000..90104ec
--- /dev/null
+++ b/tests/libqos/malloc-generic.h
@@ -0,0 +1,21 @@
+/*
+ * Basic libqos generic malloc support
+ *
+ * Copyright (c) 2014 Marc Marí
+ *
+ * This work is licensed under the terms of the GNU GPL, version 2 or later.
+ * See the COPYING file in the top-level directory.
+ */
+
+#ifndef LIBQOS_MALLOC_GENERIC_H
+#define LIBQOS_MALLOC_GENERIC_H
+
+#include "libqos/malloc.h"
+
+QGuestAllocator *generic_alloc_init(uint64_t base_addr, uint64_t size,
+ uint32_t
page_size);
+QGuestAllocator *generic_alloc_init_flags(uint64_t base_addr, uint64_t size,
+ uint32_t page_size, QAllocOpts flags);
+void generic_alloc_uninit(QGuestAllocator *allocator);
+
+#endif
--
2.1.0
