Add the rt linux 4.1.3-rt3 as base

[kvmfornfv.git] / kernel / arch / sparc / include / asm / perf_event.h

diff --git a/kernel/arch/sparc/include/asm/perf_event.h b/kernel/arch/sparc/include/asm/perf_event.h
new file mode 100644 (file)
index 0000000..4d3dbe3
--- /dev/null
+++ b/kernel/arch/sparc/include/asm/perf_event.h
@@ -0,0 +1,29 @@
+#ifndef __ASM_SPARC_PERF_EVENT_H
+#define __ASM_SPARC_PERF_EVENT_H
+
+#ifdef CONFIG_PERF_EVENTS
+#include <asm/ptrace.h>
+
+#define perf_arch_fetch_caller_regs(regs, ip)          \
+do {                                                   \
+       unsigned long _pstate, _asi, _pil, _i7, _fp;    \
+       __asm__ __volatile__("rdpr %%pstate, %0\n\t"    \
+                            "rd %%asi, %1\n\t"         \
+                            "rdpr %%pil, %2\n\t"       \
+                            "mov %%i7, %3\n\t"         \
+                            "mov %%i6, %4\n\t"         \
+                            : "=r" (_pstate),          \
+                              "=r" (_asi),             \
+                              "=r" (_pil),             \
+                              "=r" (_i7),              \
+                              "=r" (_fp));             \
+       (regs)->tstate = (_pstate << 8) |               \
+               (_asi << 24) | (_pil << 20);            \
+       (regs)->tpc = (ip);                             \
+       (regs)->tnpc = (regs)->tpc + 4;                 \
+       (regs)->u_regs[UREG_I6] = _fp;                  \
+       (regs)->u_regs[UREG_I7] = _i7;                  \
+} while (0)
+#endif
+
+#endif