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-rw-r--r--util/memalign.c39
-rw-r--r--util/meson.build1
-rw-r--r--util/oslib-posix.c14
-rw-r--r--util/oslib-win32.c14
4 files changed, 40 insertions, 28 deletions
diff --git a/util/memalign.c b/util/memalign.c
new file mode 100644
index 0000000..6dfc20a
--- /dev/null
+++ b/util/memalign.c
@@ -0,0 +1,39 @@
+/*
+ * memalign.c: Allocate an aligned memory region
+ *
+ * Copyright (c) 2003-2008 Fabrice Bellard
+ * Copyright (c) 2010-2016 Red Hat, Inc.
+ * Copyright (c) 2022 Linaro Ltd
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+
+#include "qemu/osdep.h"
+
+void *qemu_memalign(size_t alignment, size_t size)
+{
+ void *p = qemu_try_memalign(alignment, size);
+ if (p) {
+ return p;
+ }
+ fprintf(stderr,
+ "qemu_memalign: failed to allocate %zu bytes at alignment %zu: %s\n",
+ size, alignment, strerror(errno));
+ abort();
+}
diff --git a/util/meson.build b/util/meson.build
index 3736988..f6ee74a 100644
--- a/util/meson.build
+++ b/util/meson.build
@@ -51,6 +51,7 @@ util_ss.add(when: 'CONFIG_POSIX', if_true: files('drm.c'))
util_ss.add(files('guest-random.c'))
util_ss.add(files('yank.c'))
util_ss.add(files('int128.c'))
+util_ss.add(files('memalign.c'))
if have_user
util_ss.add(files('selfmap.c'))
diff --git a/util/oslib-posix.c b/util/oslib-posix.c
index ed5974d..0278902 100644
--- a/util/oslib-posix.c
+++ b/util/oslib-posix.c
@@ -199,15 +199,6 @@ fail_close:
return false;
}
-static void *qemu_oom_check(void *ptr)
-{
- if (ptr == NULL) {
- fprintf(stderr, "Failed to allocate memory: %s\n", strerror(errno));
- abort();
- }
- return ptr;
-}
-
void *qemu_try_memalign(size_t alignment, size_t size)
{
void *ptr;
@@ -234,11 +225,6 @@ void *qemu_try_memalign(size_t alignment, size_t size)
return ptr;
}
-void *qemu_memalign(size_t alignment, size_t size)
-{
- return qemu_oom_check(qemu_try_memalign(alignment, size));
-}
-
/* alloc shared memory pages */
void *qemu_anon_ram_alloc(size_t size, uint64_t *alignment, bool shared,
bool noreserve)
diff --git a/util/oslib-win32.c b/util/oslib-win32.c
index c87e697..0585741 100644
--- a/util/oslib-win32.c
+++ b/util/oslib-win32.c
@@ -44,15 +44,6 @@
/* this must come after including "trace.h" */
#include <shlobj.h>
-static void *qemu_oom_check(void *ptr)
-{
- if (ptr == NULL) {
- fprintf(stderr, "Failed to allocate memory: %lu\n", GetLastError());
- abort();
- }
- return ptr;
-}
-
void *qemu_try_memalign(size_t alignment, size_t size)
{
void *ptr;
@@ -68,11 +59,6 @@ void *qemu_try_memalign(size_t alignment, size_t size)
return ptr;
}
-void *qemu_memalign(size_t alignment, size_t size)
-{
- return qemu_oom_check(qemu_try_memalign(alignment, size));
-}
-
static int get_allocation_granularity(void)
{
SYSTEM_INFO system_info;