arch/all-mingw32/kernel/kernel_cpu.h

   1 #ifndef KERNEL_CPU_H_
   2 #define KERNEL_CPU_H_
   3
   4 /* First include CPU-dependent definitions */
   5
   6 #ifdef __i386__
   7 #include "cpu_i386.h"
   8 #endif
   9 #ifdef __x86_64__
  10 #include "cpu_x86_64.h"
  11 #endif
  12
  13 /* This macro serves as an indicator of included file */
  14 #ifndef PRINT_CPUCONTEXT
  15 #error Unsupported CPU
  16 #endif
  17
  18 #ifdef __AROS__
  19
  20 #define regs_t CONTEXT
  21
  22 /* Some common definitions */
  23 #define cpumode_t __unused char
  24
  25 #define goSuper() 0
  26 #define goUser()
  27 #define goBack(mode)
  28
  29 #define AROS_EXCEPTION_SYSCALL 0x00080001
  30 #define AROS_EXCEPTION_RESUME  0x00080002
  31
  32 /* Our virtual CPU interface. It's needed here for krnSysCall() definition */
  33 struct KernelInterface
  34 {
  35     int          (*core_init)(unsigned int TimerPeriod);
  36     void         (*core_raise)(ULONG num, const IPTR n);
  37     unsigned int (*core_protect)(void *addr, unsigned int len, unsigned int prot);
  38     void         (*core_putc)(char c);
  39     int          (*core_getc)(void);
  40     void         (*core_alert)(const char *text);
  41     int          (**TrapVector)(unsigned int num, IPTR *args, CONTEXT *regs);
  42     int          (**IRQVector)(unsigned char *irqs, CONTEXT *regs);
  43     volatile int           *IntState;
  44     volatile int           *SuperState;
  45     volatile unsigned char *SleepState;
  46     volatile ULONG         **LastErrorPtr;
  47 };
  48
  49 extern struct KernelInterface KernelIFace;
  50
  51 #define krnSysCall(n) KernelIFace.core_raise(AROS_EXCEPTION_SYSCALL, n)
  52 #define Sleep_Mode   (*KernelIFace.SleepState)
  53 #define LastErrorPtr (*KernelIFace.LastErrorPtr)
  54
  55 #endif
  56
  57 /* Interrupt enable states */
  58 #define INT_DISABLE 0
  59 #define INT_ENABLE  1
  60 #define INT_HALT    -1
  61
  62 /* Sleep states */
  63 #define SLEEP_MODE_OFF     0
  64 #define SLEEP_MODE_PENDING 1
  65 #define SLEEP_MODE_ON      2
  66
  67 #endif