#include <bedbug/type.h>
#endif
-/*
- * 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)
-{
-#if !defined(CONFIG_RELOC_FIXUP_WORKS)
- mem_malloc_end = CONFIG_SYS_MONITOR_BASE + gd->reloc_off;
-#endif
- mem_malloc_start = mem_malloc_end - 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
* requirements are just _too_ different. To get rid of the resulting
#ifndef CONFIG_ENV_IS_NOWHERE
extern char * env_name_spec;
#endif
+ ulong malloc_start;
#ifndef CONFIG_SYS_NO_FLASH
ulong flash_size;
gd->flags |= GD_FLG_RELOC; /* tell others: relocation done */
+ /* The Malloc area is immediately below the monitor copy in DRAM */
#if defined(CONFIG_RELOC_FIXUP_WORKS)
gd->reloc_off = 0;
- mem_malloc_end = dest_addr;
+ malloc_start = dest_addr - TOTAL_MALLOC_LEN;
#else
gd->reloc_off = dest_addr - CONFIG_SYS_MONITOR_BASE;
+ malloc_start = CONFIG_SYS_MONITOR_BASE + gd->reloc_off -
+ TOTAL_MALLOC_LEN;
+#endif
+
+#if defined(CONFIG_MPC85xx) || defined(CONFIG_MPC86xx)
+ gd->cpu += gd->reloc_off;
#endif
#ifdef CONFIG_SERIAL_MULTI
asm ("sync ; isync");
- /* initialize malloc() area */
- mem_malloc_init ();
+ mem_malloc_init (malloc_start, TOTAL_MALLOC_LEN);
malloc_bin_reloc ();
#if !defined(CONFIG_SYS_NO_FLASH)
/* Initialize the console (after the relocation and devices init) */
console_init_r ();
-#if defined(CONFIG_CCM) || \
- defined(CONFIG_COGENT) || \
- defined(CONFIG_CPCI405) || \
- defined(CONFIG_EVB64260) || \
- defined(CONFIG_KUP4K) || \
- defined(CONFIG_KUP4X) || \
- defined(CONFIG_LWMON) || \
- defined(CONFIG_PCU_E) || \
- defined(CONFIG_SC3) || \
- defined(CONFIG_W7O) || \
- defined(CONFIG_MISC_INIT_R)
+#if defined(CONFIG_MISC_INIT_R)
/* miscellaneous platform dependent initialisations */
misc_init_r ();
#endif