diff options
author | Stefan Reinauer <stepan@coresystems.de> | 2008-02-15 18:16:06 +0000 |
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committer | Stefan Reinauer <stepan@openbios.org> | 2008-02-15 18:16:06 +0000 |
commit | b34eea348cb7d6d9c93d17d51a1f322114b8f15d (patch) | |
tree | 38dd85932dacaa7c7a174d87307baff6210d70c4 /util/mkelfImage/kunzip_src/lib/malloc.c | |
parent | 46fc14dcc8cdba1d66ae6fa9fdcbbf33265d676e (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.c | 42 |
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 */ +} |