src/system/boot/arch/arm/kernel_stubs.cpp

   1 /*
   2  * Copyright 2012 Haiku, Inc. All rights reserved.
   3  * Distributed under the terms of the MIT License.
   4  *
   5  * Authors:
   6  *              Michael Lotz, mmlr@mlotz.ch
   7  */
   8
   9 // This file just collects stubs that allow kernel sources to be used in the
  10 // bootloader more easily.
  11
  12 #include <OS.h>
  13 #include <lock.h>
  14 #include <arch_config.h>
  15
  16
  17 extern "C" bool
  18 in_command_invocation()
  19 {
  20         return false;
  21 }
  22
  23
  24 extern "C" void
  25 abort_debugger_command()
  26 {
  27 }
  28
  29
  30 extern "C" char
  31 kgetc()
  32 {
  33         return -1;
  34 }
  35
  36
  37 extern "C" status_t
  38 _mutex_lock(mutex*, void*)
  39 {
  40         return B_OK;
  41 }
  42
  43
  44 extern "C" void
  45 _mutex_unlock(mutex*)
  46 {
  47 }
  48
  49
  50 #ifdef ATOMIC_FUNCS_ARE_SYSCALLS
  51
  52 /* needed by packagefs */
  53 extern "C" int32
  54 atomic_add(vint32 *value, int32 addValue)
  55 {
  56         int32 old = *value;
  57         *value += addValue;
  58         return old;
  59 }
  60
  61 #endif /*ATOMIC_FUNCS_ARE_SYSCALLS*/