-/*
- * The Malloc area is immediately below the monitor copy in DRAM
- */
-static void mem_malloc_init (void)
-{
- ulong dest_addr = CONFIG_SYS_MONITOR_BASE + gd->reloc_off;
-
- mem_malloc_end = dest_addr;
- mem_malloc_start = dest_addr - TOTAL_MALLOC_LEN;
- mem_malloc_brk = mem_malloc_start;
-
- memset ((void *) mem_malloc_start,
- 0,
- mem_malloc_end - mem_malloc_start);
-}
-
-void *sbrk (ptrdiff_t increment)
-{
- ulong old = mem_malloc_brk;
- ulong new = old + increment;
-
- if ((new < mem_malloc_start) || (new > mem_malloc_end)) {
- return (NULL);
- }
- mem_malloc_brk = new;
- return ((void *) old);
-}
-