Linux kernel mirror (for testing)
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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
27struct ppc_emulated_entry {
28 const char *name;
29 atomic_t val;
30};
31
32extern 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 struct ppc_emulated_entry lxvw4x;
59 struct ppc_emulated_entry lxvh8x;
60 struct ppc_emulated_entry lxvd2x;
61 struct ppc_emulated_entry lxvb16x;
62#endif
63} ppc_emulated;
64
65extern u32 ppc_warn_emulated;
66
67extern void ppc_warn_emulated_print(const char *type);
68
69#define __PPC_WARN_EMULATED(type) \
70 do { \
71 atomic_inc(&ppc_emulated.type.val); \
72 if (ppc_warn_emulated) \
73 ppc_warn_emulated_print(ppc_emulated.type.name); \
74 } while (0)
75
76#else /* !CONFIG_PPC_EMULATED_STATS */
77
78#define __PPC_WARN_EMULATED(type) do { } while (0)
79
80#endif /* !CONFIG_PPC_EMULATED_STATS */
81
82#define PPC_WARN_EMULATED(type, regs) \
83 do { \
84 perf_sw_event(PERF_COUNT_SW_EMULATION_FAULTS, \
85 1, regs, 0); \
86 __PPC_WARN_EMULATED(type); \
87 } while (0)
88
89#define PPC_WARN_ALIGNMENT(type, regs) \
90 do { \
91 perf_sw_event(PERF_COUNT_SW_ALIGNMENT_FAULTS, \
92 1, regs, regs->dar); \
93 __PPC_WARN_EMULATED(type); \
94 } while (0)
95
96#endif /* _ASM_POWERPC_EMULATED_OPS_H */