include/arch/i386/cpu.h

   1 #ifndef _IBM_CPU_H
   2 #define _IBM_CPU_H 1
   3
   4 #define X86_FLAG_C      (1L << 0)       /* S  Carry */
   5 #define X86_FLAG_P      (1L << 2)       /* S  Parity */
   6 #define X86_FLAG_A      (1L << 4)       /* S  Aux. carry */
   7 #define X86_FLAG_Z      (1L << 6)       /* S  Zero */
   8 #define X86_FLAG_S      (1L << 7)       /* S  Sign */
   9
  10 #define X86_FLAG_T      (1L <<  8)      /* X  Trap */
  11 #define X86_FLAG_I      (1L <<  9)      /* X  Interrupt */
  12 #define X86_FLAG_D      (1L << 10)      /* C  Direction */
  13 #define X86_FLAG_O      (1L << 11)      /* S  Overflow */
  14
  15 /* User flags are S (Status) and C (Control) flags. */
  16 #define X86_FLAGS_USER (X86_FLAG_C | X86_FLAG_P | X86_FLAG_A | X86_FLAG_Z | \
  17         X86_FLAG_S | X86_FLAG_D | X86_FLAG_O)
  18
  19 #endif