static char *failed = "*** failed ***\n";
/*
- * Begin and End of memory area for malloc(), and current "brk"
- */
-static ulong mem_malloc_start;
-static ulong mem_malloc_end;
-static ulong mem_malloc_brk;
-
-/*
* mips_io_port_base is the begin of the address space to which x86 style
* I/O ports are mapped.
*/
/*
* The Malloc area is immediately below the monitor copy in DRAM
*/
-static void mem_malloc_init (void)
+static void mem_malloc_init(ulong start, ulong size)
{
- ulong dest_addr = CONFIG_SYS_MONITOR_BASE + gd->reloc_off;
+ mem_malloc_start = start;
+ mem_malloc_end = start + size;
+ mem_malloc_brk = start;
- 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);
+ memset ((void *)mem_malloc_start, 0, size);
}
bd = gd->bd;
/* initialize malloc() area */
- mem_malloc_init();
+ mem_malloc_init(CONFIG_SYS_MONITOR_BASE + gd->reloc_off -
+ TOTAL_MALLOC_LEN, TOTAL_MALLOC_LEN);
malloc_bin_reloc();
#ifndef CONFIG_SYS_NO_FLASH