arch/mips/include/asm/isadep.h

   1 /*
   2  * Various ISA level dependent constants.
   3  * Most of the following constants reflect the different layout
   4  * of Coprocessor 0 registers.
   5  *
   6  * Copyright (c) 1998 Harald Koerfgen
   7  */
   8
   9 #ifndef __ASM_ISADEP_H
  10 #define __ASM_ISADEP_H
  11
  12 #if defined(CONFIG_CPU_R3000) || defined(CONFIG_CPU_TX39XX)
  13 /*
  14  * R2000 or R3000
  15  */
  16
  17 /*
  18  * kernel or user mode? (CP0_STATUS)
  19  */
  20 #define KU_MASK 0x08
  21 #define KU_USER 0x08
  22 #define KU_KERN 0x00
  23
  24 #else
  25 /*
  26  * kernel or user mode?
  27  */
  28 #define KU_MASK 0x18
  29 #define KU_USER 0x10
  30 #define KU_KERN 0x00
  31
  32 #endif
  33
  34 #endif /* __ASM_ISADEP_H */