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-rw-r--r--arch/powerpc/include/asm/emulated_ops.h84
1 files changed, 84 insertions, 0 deletions
diff --git a/arch/powerpc/include/asm/emulated_ops.h b/arch/powerpc/include/asm/emulated_ops.h
new file mode 100644
index 000000000..800cb2100
--- /dev/null
+++ b/arch/powerpc/include/asm/emulated_ops.h
@@ -0,0 +1,84 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+/*
+ * Copyright 2007 Sony Corporation
+ */
+
+#ifndef _ASM_POWERPC_EMULATED_OPS_H
+#define _ASM_POWERPC_EMULATED_OPS_H
+
+#include <linux/atomic.h>
+#include <linux/perf_event.h>
+
+
+#ifdef CONFIG_PPC_EMULATED_STATS
+
+struct ppc_emulated_entry {
+ const char *name;
+ atomic_t val;
+};
+
+extern struct ppc_emulated {
+#ifdef CONFIG_ALTIVEC
+ struct ppc_emulated_entry altivec;
+#endif
+ struct ppc_emulated_entry dcba;
+ struct ppc_emulated_entry dcbz;
+ struct ppc_emulated_entry fp_pair;
+ struct ppc_emulated_entry isel;
+ struct ppc_emulated_entry mcrxr;
+ struct ppc_emulated_entry mfpvr;
+ struct ppc_emulated_entry multiple;
+ struct ppc_emulated_entry popcntb;
+ struct ppc_emulated_entry spe;
+ struct ppc_emulated_entry string;
+ struct ppc_emulated_entry sync;
+ struct ppc_emulated_entry unaligned;
+#ifdef CONFIG_MATH_EMULATION
+ struct ppc_emulated_entry math;
+#endif
+#ifdef CONFIG_VSX
+ struct ppc_emulated_entry vsx;
+#endif
+#ifdef CONFIG_PPC64
+ struct ppc_emulated_entry mfdscr;
+ struct ppc_emulated_entry mtdscr;
+ struct ppc_emulated_entry lq_stq;
+ struct ppc_emulated_entry lxvw4x;
+ struct ppc_emulated_entry lxvh8x;
+ struct ppc_emulated_entry lxvd2x;
+ struct ppc_emulated_entry lxvb16x;
+#endif
+} ppc_emulated;
+
+extern u32 ppc_warn_emulated;
+
+extern void ppc_warn_emulated_print(const char *type);
+
+#define __PPC_WARN_EMULATED(type) \
+ do { \
+ atomic_inc(&ppc_emulated.type.val); \
+ if (ppc_warn_emulated) \
+ ppc_warn_emulated_print(ppc_emulated.type.name); \
+ } while (0)
+
+#else /* !CONFIG_PPC_EMULATED_STATS */
+
+#define __PPC_WARN_EMULATED(type) do { } while (0)
+
+#endif /* !CONFIG_PPC_EMULATED_STATS */
+
+#define PPC_WARN_EMULATED(type, regs) \
+ do { \
+ perf_sw_event(PERF_COUNT_SW_EMULATION_FAULTS, \
+ 1, regs, 0); \
+ __PPC_WARN_EMULATED(type); \
+ } while (0)
+
+#define PPC_WARN_ALIGNMENT(type, regs) \
+ do { \
+ perf_sw_event(PERF_COUNT_SW_ALIGNMENT_FAULTS, \
+ 1, regs, regs->dar); \
+ __PPC_WARN_EMULATED(type); \
+ } while (0)
+
+#endif /* _ASM_POWERPC_EMULATED_OPS_H */