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[Qemu-devel] [PATCH v5 4/5] libqos: Add malloc generic
From: |
Marc Marí |
Subject: |
[Qemu-devel] [PATCH v5 4/5] libqos: Add malloc generic |
Date: |
Tue, 24 Feb 2015 22:21:54 +0100 |
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 <address@hidden>
---
tests/libqos/malloc-generic.c | 39 +++++++++++++++++++++++++++++++++++++++
tests/libqos/malloc-generic.h | 21 +++++++++++++++++++++
2 files changed, 60 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..d30a2f4
--- /dev/null
+++ b/tests/libqos/malloc-generic.c
@@ -0,0 +1,39 @@
+/*
+ * 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;
+ uint64_t start = base_addr + (1 << 20); /* Start at 1MB */
+
+ s = alloc_init_flags(flags, start, start + size);
+ alloc_set_page_size(s, page_size);
+
+ 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
--
1.7.10.4
- [Qemu-devel] [PATCH v5 0/5] libqos: Virtio MMIO driver, Marc Marí, 2015/02/24
- [Qemu-devel] [PATCH v5 4/5] libqos: Add malloc generic,
Marc Marí <=
- [Qemu-devel] [PATCH v5 1/5] libqos: Change use of pointers to uint64_t in virtio, Marc Marí, 2015/02/24
- [Qemu-devel] [PATCH v5 3/5] libqos: Remove PCI assumptions in constants of virtio driver, Marc Marí, 2015/02/24
- [Qemu-devel] [PATCH v5 5/5] libqos: Add virtio MMIO support, Marc Marí, 2015/02/24
- [Qemu-devel] [PATCH v5 2/5] tests: Prepare virtio-blk-test for multi-arch implementation, Marc Marí, 2015/02/24
- Re: [Qemu-devel] [PATCH v5 0/5] libqos: Virtio MMIO driver, Stefan Hajnoczi, 2015/02/25