root/include/asm-sparc/contregs.h

/* */

INCLUDED FROM

   1 #ifndef _SPARC_CONTREGS_H
   2 #define _SPARC_CONTREGS_H
   3 
   4 /* contregs.h:  Addresses of registers in the ASI_CONTROL alternate address
   5                 space. These are for the mmu's context register, etc.
   6 
   7    Copyright (C) 1994 David S. Miller (davem@caip.rutgers.edu)
   8 */
   9 
  10 #define AC_CONTEXT    0x30000000    /* current mmu-context, handy for invalidate()'s ;-)   */
  11 #define AC_SENABLE    0x40000000    /* system dvma/cache enable, plus special reset poking */
  12 #define AC_CACHETAGS  0x80000000    /* direct access to the VAC cache, unused...          */
  13 #define AC_SYNC_ERR   0x60000000    /* what type of synchronous memory error happened      */
  14 #define AC_SYNC_VA    0x60000004    /* what virtual address caused the error to occur      */
  15 #define AC_ASYNC_ERR  0x60000008    /* what type of asynchronous mem-error happened        */
  16 #define AC_ASYNC_VA   0x6000000c    /* what virtual address caused the async-err to happen */
  17 #define AC_CACHEDDATA 0x90000000    /* where the actual VAC cached data sits               */
  18 
  19 #endif /* _SPARC_CONTREGS_H */

/* */