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-rw-r--r--arch/csky/abiv1/inc/abi/regdef.h1
-rw-r--r--arch/csky/abiv2/inc/abi/regdef.h1
-rw-r--r--arch/csky/include/asm/perf_event.h8
3 files changed, 10 insertions, 0 deletions
diff --git a/arch/csky/abiv1/inc/abi/regdef.h b/arch/csky/abiv1/inc/abi/regdef.h
index 729b1c3edcfd..104707fbdcc1 100644
--- a/arch/csky/abiv1/inc/abi/regdef.h
+++ b/arch/csky/abiv1/inc/abi/regdef.h
@@ -6,6 +6,7 @@
#define syscallid r1
#define regs_syscallid(regs) regs->regs[9]
+#define regs_fp(regs) regs->regs[2]
/*
* PSR format:
diff --git a/arch/csky/abiv2/inc/abi/regdef.h b/arch/csky/abiv2/inc/abi/regdef.h
index 77cb1788b04c..d7328bbc1ce7 100644
--- a/arch/csky/abiv2/inc/abi/regdef.h
+++ b/arch/csky/abiv2/inc/abi/regdef.h
@@ -6,6 +6,7 @@
#define syscallid r7
#define regs_syscallid(regs) regs->regs[3]
+#define regs_fp(regs) regs->regs[4]
/*
* PSR format:
diff --git a/arch/csky/include/asm/perf_event.h b/arch/csky/include/asm/perf_event.h
index ea8193122294..572093e11001 100644
--- a/arch/csky/include/asm/perf_event.h
+++ b/arch/csky/include/asm/perf_event.h
@@ -4,4 +4,12 @@
#ifndef __ASM_CSKY_PERF_EVENT_H
#define __ASM_CSKY_PERF_EVENT_H
+#include <abi/regdef.h>
+
+#define perf_arch_fetch_caller_regs(regs, __ip) { \
+ (regs)->pc = (__ip); \
+ regs_fp(regs) = (unsigned long) __builtin_frame_address(0); \
+ asm volatile("mov %0, sp\n":"=r"((regs)->usp)); \
+}
+
#endif /* __ASM_PERF_EVENT_ELF_H */