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authorStefan Reinauer <stepan@coresystems.de>2008-02-15 18:16:06 +0000
committerStefan Reinauer <stepan@openbios.org>2008-02-15 18:16:06 +0000
commitb34eea348cb7d6d9c93d17d51a1f322114b8f15d (patch)
tree38dd85932dacaa7c7a174d87307baff6210d70c4 /util/mkelfImage/kunzip_src/lib/malloc.c
parent46fc14dcc8cdba1d66ae6fa9fdcbbf33265d676e (diff)
Importing mkelfimage from
ftp://ftp.lnxi.com/pub/mkelfImage/mkelfImage-2.7.tar.gz Signed-off-by: Stefan Reinauer <stepan@coresystems.de> Acked-by: Stefan Reinauer <stepan@coresystems.de> git-svn-id: svn://svn.coreboot.org/coreboot/trunk@3103 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1
Diffstat (limited to 'util/mkelfImage/kunzip_src/lib/malloc.c')
-rw-r--r--util/mkelfImage/kunzip_src/lib/malloc.c42
1 files changed, 42 insertions, 0 deletions
diff --git a/util/mkelfImage/kunzip_src/lib/malloc.c b/util/mkelfImage/kunzip_src/lib/malloc.c
new file mode 100644
index 0000000000..8e43e0c226
--- /dev/null
+++ b/util/mkelfImage/kunzip_src/lib/malloc.c
@@ -0,0 +1,42 @@
+#include <stdlib.h>
+
+extern unsigned char _heap, _eheap;
+static size_t free_mem_ptr = (size_t)&_heap; /* Start of heap */
+static size_t free_mem_end_ptr = (size_t)&_eheap; /* End of heap */
+
+
+void malloc_mark(malloc_mark_t *place)
+{
+ *place = free_mem_ptr;
+}
+
+void malloc_release(malloc_mark_t *ptr)
+{
+ free_mem_ptr = *ptr;
+}
+
+void *malloc(size_t size)
+{
+ void *p;
+
+ if (size < 0)
+ error("Error! malloc: Size < 0");
+ if (free_mem_ptr <= 0)
+ error("Error! malloc: Free_mem_ptr <= 0");
+
+ free_mem_ptr = (free_mem_ptr + 3) & ~3; /* Align */
+
+ p = (void *) free_mem_ptr;
+ free_mem_ptr += size;
+
+ if (free_mem_ptr >= free_mem_end_ptr)
+ error("Error! malloc: Free_mem_ptr >= free_mem_end_ptr");
+
+
+ return p;
+}
+
+void free(void *where)
+{
+ /* Don't care */
+}