boot/armllb/boot.s

   1 /*
   2  * PROJECT:         ReactOS Boot Loader
   3  * LICENSE:         BSD - See COPYING.ARM in the top level directory
   4  * FILE:            boot/armllb/boot.s
   5  * PURPOSE:         Implements the entry point for ARM machines
   6  * PROGRAMMERS:     ReactOS Portable Systems Group
   7  */
   8
   9     .title "ARM LLB Entry Point"
  10     .include "ntoskrnl/include/internal/arm/kxarm.h"
  11     .include "ntoskrnl/include/internal/arm/ksarm.h"
  12
  13     NESTED_ENTRY _start
  14     PROLOG_END _start
  15
  16 #ifdef _OMAP3_
  17     /*
  18      * On OMAP3, the boot is directly from TI BootROM that reads NAND flash.
  19      * First word is size of program to load.
  20      * Second word is load address of program. Since DDR is not initialized,
  21      * we load to SDRAM at 40200000h. Max 64K.
  22      */
  23     .word 0x8000
  24     .word 0x40200000
  25 #endif
  26
  27     /* Load C entrypoint and setup LLB stack */
  28     ldr lr, L_LlbStartup
  29     ldr sp, L_BootStackEnd
  30     bx lr
  31     ENTRY_END _start
  32
  33 L_BootStackEnd:
  34     .long 0x00010000
  35
  36 L_LlbStartup:
  37     .long LlbStartup
  38
  39 /* EOF */