src/system/boot/arch/arm/arch_start_kernel.S

   1 /*
   2  * Copyright 2011, François Revol <revol@free.fr>.
   3  * All rights reserved. Distributed under the terms of the MIT License.
   4  */
   5
   6 #include <arch/arm/arch_cpu.h>
   7
   8 #include <asm_defs.h>
   9
  10
  11         .text
  12
  13 /*      status_t arch_start_kernel(struct kernel_args *kernelArgs,
  14                 addr_t kernelEntry, addr_t kernelStackTop);
  15
  16         r0      - kernelArgs
  17         r1      - kernelEntry
  18         r2      - kernelStackTop
  19 */
  20 FUNCTION(arch_start_kernel):
  21
  22         // set the kernel stack
  23         mov             sp,r2
  24
  25         // set up kernel _start args
  26         //mov   r0,r0   // kernelArgs
  27         mov             r4,r1
  28         mov             r1,#0   // currentCPU=0
  29
  30         // call the kernel
  31         mov             pc,r4
  32
  33         // return
  34         mov             r0,#-1  // B_ERROR
  35         mov             pc,lr
  36
  37 FUNCTION_END(arch_start_kernel)
  38