arch/alpha/include/asm/special_insns.h

   1 #ifndef __ALPHA_SPECIAL_INSNS_H
   2 #define __ALPHA_SPECIAL_INSNS_H
   3
   4 enum implver_enum {
   5         IMPLVER_EV4,
   6         IMPLVER_EV5,
   7         IMPLVER_EV6
   8 };
   9
  10 #ifdef CONFIG_ALPHA_GENERIC
  11 #define implver()                               \
  12 ({ unsigned long __implver;                     \
  13    __asm__ ("implver %0" : "=r"(__implver));    \
  14    (enum implver_enum) __implver; })
  15 #else
  16 /* Try to eliminate some dead code.  */
  17 #ifdef CONFIG_ALPHA_EV4
  18 #define implver() IMPLVER_EV4
  19 #endif
  20 #ifdef CONFIG_ALPHA_EV5
  21 #define implver() IMPLVER_EV5
  22 #endif
  23 #if defined(CONFIG_ALPHA_EV6)
  24 #define implver() IMPLVER_EV6
  25 #endif
  26 #endif
  27
  28 enum amask_enum {
  29         AMASK_BWX = (1UL << 0),
  30         AMASK_FIX = (1UL << 1),
  31         AMASK_CIX = (1UL << 2),
  32         AMASK_MAX = (1UL << 8),
  33         AMASK_PRECISE_TRAP = (1UL << 9),
  34 };
  35
  36 #define amask(mask)                                             \
  37 ({ unsigned long __amask, __input = (mask);                     \
  38    __asm__ ("amask %1,%0" : "=r"(__amask) : "rI"(__input));     \
  39    __amask; })
  40
  41 #endif /* __ALPHA_SPECIAL_INSNS_H */