diff options
Diffstat (limited to 'arch/m68k/cpu/mcf532x/start.S')
| -rw-r--r-- | arch/m68k/cpu/mcf532x/start.S | 27 |
1 files changed, 22 insertions, 5 deletions
diff --git a/arch/m68k/cpu/mcf532x/start.S b/arch/m68k/cpu/mcf532x/start.S index 131ad6e..f25bc54 100644 --- a/arch/m68k/cpu/mcf532x/start.S +++ b/arch/m68k/cpu/mcf532x/start.S @@ -148,17 +148,34 @@ _start: move.l %d0, (%a1) move.l %d0, (%a2) - /* set stackpointer to end of internal ram to get some stackspace for the - first c-code */ - move.l #(CONFIG_SYS_INIT_RAM_ADDR + CONFIG_SYS_INIT_SP_OFFSET), %sp - clr.l %sp@- + /* put relocation table address to a5 */ + move.l #__got_start, %a5 - move.l #__got_start, %a5 /* put relocation table address to a5 */ + /* setup stack initially on top of internal static ram */ + move.l #(CONFIG_SYS_INIT_RAM_ADDR + CONFIG_SYS_INIT_RAM_SIZE), %sp + + /* + * if configured, malloc_f arena will be reserved first, + * then (and always) gd struct space will be reserved + */ + move.l %sp, -(%sp) + move.l #board_init_f_alloc_reserve, %a1 + jsr (%a1) + + /* update stack and frame-pointers */ + move.l %d0, %sp + move.l %sp, %fp + + /* initialize reserved area */ + move.l %d0, -(%sp) + move.l #board_init_f_init_reserve, %a1 + jsr (%a1) /* run low-level CPU init code (from flash) */ move.l #cpu_init_f, %a1 jsr (%a1) /* run low-level board init code (from flash) */ + clr.l %sp@- move.l #board_init_f, %a1 jsr (%a1) |