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authorAntony Pavlov <antonynpavlov@gmail.com>2011-12-08 18:03:49 +0400
committerSascha Hauer <s.hauer@pengutronix.de>2011-12-23 11:26:42 +0100
commitb25bb1f0726bf81aa1af52bd1eca63b51c907bcf (patch)
treeadcf5b4eaffbd1a516789735d783a36614a2cba0 /common/tlsf_malloc.c
parent282af094a6ec8e5eab5e134704fe2e0da0eef9f2 (diff)
downloadbarebox-b25bb1f0726bf81aa1af52bd1eca63b51c907bcf.tar.gz
add tlsf-based malloc implementation
Signed-off-by: Antony Pavlov <antonynpavlov@gmail.com> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Diffstat (limited to 'common/tlsf_malloc.c')
-rw-r--r--common/tlsf_malloc.c78
1 files changed, 78 insertions, 0 deletions
diff --git a/common/tlsf_malloc.c b/common/tlsf_malloc.c
new file mode 100644
index 0000000..a6f82ba
--- /dev/null
+++ b/common/tlsf_malloc.c
@@ -0,0 +1,78 @@
+/*
+ * tlsf wrapper for barebox
+ *
+ * Copyright (C) 2011 Antony Pavlov <antonynpavlov@gmail.com>
+ *
+ * This file is part of barebox.
+ * See file CREDITS for list of people who contributed to this project.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2
+ * as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ */
+
+#include <config.h>
+#include <malloc.h>
+#include <string.h>
+#include <malloc.h>
+
+#include <stdio.h>
+#include <module.h>
+#include <tlsf.h>
+
+extern tlsf_pool tlsf_mem_pool;
+
+void *malloc(size_t bytes)
+{
+ return tlsf_malloc(tlsf_mem_pool, bytes);
+}
+EXPORT_SYMBOL(malloc);
+
+/*
+ * calloc calls malloc, then zeroes out the allocated chunk.
+ */
+void *calloc(size_t n, size_t elem_size)
+{
+ void *mem;
+ size_t sz;
+
+ sz = n * elem_size;
+ mem = malloc(sz);
+ memset(mem, 0, sz);
+
+ return mem;
+}
+EXPORT_SYMBOL(calloc);
+
+void free(void *mem)
+{
+ tlsf_free(tlsf_mem_pool, mem);
+}
+EXPORT_SYMBOL(free);
+
+void *realloc(void *oldmem, size_t bytes)
+{
+ return tlsf_realloc(tlsf_mem_pool, oldmem, bytes);
+}
+EXPORT_SYMBOL(realloc);
+
+void *memalign(size_t alignment, size_t bytes)
+{
+ return tlsf_memalign(tlsf_mem_pool, alignment, bytes);
+}
+EXPORT_SYMBOL(memalign);
+
+#ifdef CONFIG_CMD_MEMINFO
+void malloc_stats(void)
+{
+}
+#endif /* CONFIG_CMD_MEMINFO */