arch/powerpc/include/asm/emulated_ops.h

   1 /*
   2  *  Copyright 2007 Sony Corporation
   3  *
   4  *  This program is free software; you can redistribute it and/or modify
   5  *  it under the terms of the GNU General Public License as published by
   6  *  the Free Software Foundation; version 2 of the License.
   7  *
   8  *  This program is distributed in the hope that it will be useful,
   9  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  10  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  11  *  GNU General Public License for more details.
  12  *
  13  *  You should have received a copy of the GNU General Public License
  14  *  along with this program.
  15  *  If not, see <http://www.gnu.org/licenses/>.
  16  */
  17
  18 #ifndef _ASM_POWERPC_EMULATED_OPS_H
  19 #define _ASM_POWERPC_EMULATED_OPS_H
  20
  21 #include <asm/atomic.h>
  22
  23
  24 #ifdef CONFIG_PPC_EMULATED_STATS
  25
  26 struct ppc_emulated_entry {
  27         const char *name;
  28         atomic_t val;
  29 };
  30
  31 extern struct ppc_emulated {
  32 #ifdef CONFIG_ALTIVEC
  33         struct ppc_emulated_entry altivec;
  34 #endif
  35         struct ppc_emulated_entry dcba;
  36         struct ppc_emulated_entry dcbz;
  37         struct ppc_emulated_entry fp_pair;
  38         struct ppc_emulated_entry isel;
  39         struct ppc_emulated_entry mcrxr;
  40         struct ppc_emulated_entry mfpvr;
  41         struct ppc_emulated_entry multiple;
  42         struct ppc_emulated_entry popcntb;
  43         struct ppc_emulated_entry spe;
  44         struct ppc_emulated_entry string;
  45         struct ppc_emulated_entry unaligned;
  46 #ifdef CONFIG_MATH_EMULATION
  47         struct ppc_emulated_entry math;
  48 #elif defined(CONFIG_8XX_MINIMAL_FPEMU)
  49         struct ppc_emulated_entry 8xx;
  50 #endif
  51 #ifdef CONFIG_VSX
  52         struct ppc_emulated_entry vsx;
  53 #endif
  54 } ppc_emulated;
  55
  56 extern u32 ppc_warn_emulated;
  57
  58 extern void ppc_warn_emulated_print(const char *type);
  59
  60 #define PPC_WARN_EMULATED(type)                                          \
  61         do {                                                             \
  62                 atomic_inc(&ppc_emulated.type.val);                      \
  63                 if (ppc_warn_emulated)                                   \
  64                         ppc_warn_emulated_print(ppc_emulated.type.name); \
  65         } while (0)
  66
  67 #else /* !CONFIG_PPC_EMULATED_STATS */
  68
  69 #define PPC_WARN_EMULATED(type) do { } while (0)
  70
  71 #endif /* !CONFIG_PPC_EMULATED_STATS */
  72
  73 #endif /* _ASM_POWERPC_EMULATED_OPS_H */