ulong monitor_flash_len;
-/*
- * Begin and End of memory area for malloc(), and current "brk"
- */
-static ulong mem_malloc_start = 0;
-static ulong mem_malloc_end = 0;
-static ulong mem_malloc_brk = 0;
-
/************************************************************************
* Utilities *
************************************************************************
*/
-/*
- * 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);
-}
-
/*
* All attempts to come up with a "common" initialization sequence
* that works for all boards and architectures failed: some of the
*/
trap_init (CONFIG_SYS_SDRAM_BASE);
- /* initialize malloc() area */
- mem_malloc_init ();
+ /* The Malloc area is immediately below the monitor copy in DRAM */
+ mem_malloc_init (CONFIG_SYS_MONITOR_BASE + gd->reloc_off -
+ TOTAL_MALLOC_LEN, TOTAL_MALLOC_LEN);
malloc_bin_reloc ();
#if !defined(CONFIG_SYS_NO_FLASH)