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TOMOYO Linux Cross Reference
Linux/arch/powerpc/include/asm/emulated_ops.h

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  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 <linux/atomic.h>
 22 #include <linux/perf_event.h>
 23 
 24 
 25 #ifdef CONFIG_PPC_EMULATED_STATS
 26 
 27 struct ppc_emulated_entry {
 28         const char *name;
 29         atomic_t val;
 30 };
 31 
 32 extern struct ppc_emulated {
 33 #ifdef CONFIG_ALTIVEC
 34         struct ppc_emulated_entry altivec;
 35 #endif
 36         struct ppc_emulated_entry dcba;
 37         struct ppc_emulated_entry dcbz;
 38         struct ppc_emulated_entry fp_pair;
 39         struct ppc_emulated_entry isel;
 40         struct ppc_emulated_entry mcrxr;
 41         struct ppc_emulated_entry mfpvr;
 42         struct ppc_emulated_entry multiple;
 43         struct ppc_emulated_entry popcntb;
 44         struct ppc_emulated_entry spe;
 45         struct ppc_emulated_entry string;
 46         struct ppc_emulated_entry sync;
 47         struct ppc_emulated_entry unaligned;
 48 #ifdef CONFIG_MATH_EMULATION
 49         struct ppc_emulated_entry math;
 50 #endif
 51 #ifdef CONFIG_VSX
 52         struct ppc_emulated_entry vsx;
 53 #endif
 54 #ifdef CONFIG_PPC64
 55         struct ppc_emulated_entry mfdscr;
 56         struct ppc_emulated_entry mtdscr;
 57         struct ppc_emulated_entry lq_stq;
 58 #endif
 59 } ppc_emulated;
 60 
 61 extern u32 ppc_warn_emulated;
 62 
 63 extern void ppc_warn_emulated_print(const char *type);
 64 
 65 #define __PPC_WARN_EMULATED(type)                                        \
 66         do {                                                             \
 67                 atomic_inc(&ppc_emulated.type.val);                      \
 68                 if (ppc_warn_emulated)                                   \
 69                         ppc_warn_emulated_print(ppc_emulated.type.name); \
 70         } while (0)
 71 
 72 #else /* !CONFIG_PPC_EMULATED_STATS */
 73 
 74 #define __PPC_WARN_EMULATED(type)       do { } while (0)
 75 
 76 #endif /* !CONFIG_PPC_EMULATED_STATS */
 77 
 78 #define PPC_WARN_EMULATED(type, regs)                                   \
 79         do {                                                            \
 80                 perf_sw_event(PERF_COUNT_SW_EMULATION_FAULTS,           \
 81                         1, regs, 0);                                    \
 82                 __PPC_WARN_EMULATED(type);                              \
 83         } while (0)
 84 
 85 #define PPC_WARN_ALIGNMENT(type, regs)                                  \
 86         do {                                                            \
 87                 perf_sw_event(PERF_COUNT_SW_ALIGNMENT_FAULTS,           \
 88                         1, regs, regs->dar);                            \
 89                 __PPC_WARN_EMULATED(type);                              \
 90         } while (0)
 91 
 92 #endif /* _ASM_POWERPC_EMULATED_OPS_H */
 93 

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