rom/kernel/kernel_cpu.h

   1 /*
   2     Copyright © 1995-2013, The AROS Development Team. All rights reserved.
   3     $Id$
   4
   5     Desc:
   6 */
   7
   8 /*
   9  * CPU-specific definitions.
  10  *
  11  * Architectures with the same CPU will likely share single kernel_cpu.h
  12  * in arch/$(CPU)-all/kernel/kernel_cpu.h
  13  *
  14  * As you can see, this file is just a sample.
  15  */
  16
  17 #ifndef KERNEL_CPU_H_
  18 #define KERNEL_CPU_H_
  19
  20 /* Number of exceptions supported by the CPU. Needed by kernel_base.h */
  21 #define EXCEPTIONS_COUNT 1
  22
  23 /* CPU context stored in task's et_RegFrame. Just a dummy sample definition. */
  24 struct AROSCPUContext
  25 {
  26     IPTR pc;
  27 };
  28
  29 typedef struct AROSCPUContext regs_t;
  30
  31 /* User/supervisor mode switching */
  32 #define cpumode_t __unused char
  33
  34 #define goSuper() 0
  35 #define goUser()
  36 #define goBack(mode)
  37
  38 /* A command to issue a syscall */
  39 #define krnSysCall(num)
  40
  41 #endif