rom/kernel/kernel_cpu.h

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