arch/arm-native/exec/platform_init.c

   1 /*
   2     Copyright © 2013, The AROS Development Team. All rights reserved.
   3     $Id$
   4 */
   5
   6 #define DEBUG 0
   7
   8 #include <aros/debug.h>
   9 #include <aros/cpu.h>
  10 #include <aros/kernel.h>
  11 #include <aros/symbolsets.h>
  12 #include <exec/memory.h>
  13 #include <exec/tasks.h>
  14 #include <exec/alerts.h>
  15 #include <exec/execbase.h>
  16 #include <asm/io.h>
  17 #include <proto/exec.h>
  18 #include <strings.h>
  19
  20 /* Linked from kernel.resource,
  21  * need to retrieve in a cleaner fashion .. */
  22 extern IPTR stack[];
  23
  24 extern void IdleTask(struct ExecBase *);
  25
  26 struct Task *sysIdleTask = NULL;
  27
  28 static int PlatformInit(struct ExecBase *SysBase)
  29 {
  30     D(bug("[Exec] PlatformInit()\n"));
  31
  32     struct Task *BootTask = SysBase->ThisTask;
  33     D(bug("[Exec] PlatformInit: Boot Task @ 0x%p\n", BootTask));
  34
  35     /* for our sanity we will tell exec about the correct stack for the boot task */
  36     BootTask->tc_SPLower = stack;
  37     BootTask->tc_SPUpper = stack + AROS_STACKSIZE;
  38
  39     sysIdleTask = NewCreateTask(TASKTAG_NAME       , "System Idle",
  40 #if defined(__AROSEXEC_SMP__)
  41                                 TASKTAG_AFFINITY   , ~0,
  42 #endif
  43                                 TASKTAG_PRI        , -127,
  44                                 TASKTAG_PC         , IdleTask,
  45                                 TASKTAG_ARG1       , SysBase,
  46                                 TAG_DONE);
  47
  48     sysIdleTask->tc_State      = TS_WAIT;
  49
  50     D(bug("[Exec] PlatformInit: Idle Task @ 0x%p\n", sysIdleTask));
  51
  52     return TRUE;
  53 }
  54
  55 ADD2INITLIB(PlatformInit, 0)