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 #ifdef __arm__
  13 #include "cpu_arm.h"
  14 #endif
  15
  16 /* This macro serves as an indicator of included file */
  17 #ifndef PRINT_CPUCONTEXT
  18 #error Unsupported CPU
  19 #endif
  20
  21 #ifdef __AROS__
  22
  23 #define regs_t CONTEXT
  24
  25 /* Some common definitions */
  26 #define cpumode_t __unused char
  27
  28 #define goSuper() 0
  29 #define goUser()
  30 #define goBack(mode)
  31
  32 #define AROS_EXCEPTION_SYSCALL 0x00080001
  33 #define AROS_EXCEPTION_RESUME  0x00080002
  34
  35 /* Our virtual CPU interface. It's needed here for krnSysCall() definition */
  36 struct KernelInterface
  37 {
  38     int          (*core_init)(unsigned int TimerPeriod);
  39     void         (*core_raise)(ULONG num, const IPTR n);
  40     unsigned int (*core_protect)(void *addr, unsigned int len, unsigned int prot);
  41     void         (*core_putc)(char c);
  42     int          (*core_getc)(void);
  43     void         (*core_alert)(const char *text);
  44     int          (**TrapVector)(unsigned int num, IPTR *args, CONTEXT *regs);
  45     int          (**IRQVector)(unsigned char *irqs, CONTEXT *regs);
  46     volatile int           *IntState;
  47     volatile int           *SuperState;
  48     volatile unsigned char *SleepState;
  49     volatile ULONG         **LastErrorPtr;
  50 };
  51
  52 extern struct KernelInterface KernelIFace;
  53
  54 #define krnSysCall(n) KernelIFace.core_raise(AROS_EXCEPTION_SYSCALL, n)
  55 #define Sleep_Mode   (*KernelIFace.SleepState)
  56 #define LastErrorPtr (*KernelIFace.LastErrorPtr)
  57
  58 #endif
  59
  60 /* Interrupt enable states */
  61 #define INT_DISABLE 0
  62 #define INT_ENABLE  1
  63 #define INT_HALT    -1
  64
  65 /* Sleep states */
  66 #define SLEEP_MODE_OFF     0
  67 #define SLEEP_MODE_PENDING 1
  68 #define SLEEP_MODE_ON      2
  69
  70 #endif