sparc64: Add performance counter hypervisor calls for sun4v.

[deliverable/linux.git] / arch / sparc64 / kernel / hvcalls.S

diff --git a/arch/sparc64/kernel/hvcalls.S b/arch/sparc64/kernel/hvcalls.S
index e066269d1594191c00c9405e21b8eb24ae915a3d..8a5f35ffb15ef622ddc9a0e8ecdc5c2a26142c01 100644 (file)
--- a/arch/sparc64/kernel/hvcalls.S
+++ b/arch/sparc64/kernel/hvcalls.S
@@ -766,3 +766,35 @@ ENTRY(sun4v_mmu_demap_all)
        retl
         nop
 ENDPROC(sun4v_mmu_demap_all)
+
+ENTRY(sun4v_niagara_getperf)
+       mov     %o0, %o4
+       mov     HV_FAST_GET_PERFREG, %o5
+       ta      HV_FAST_TRAP
+       stx     %o1, [%o4]
+       retl
+        nop
+ENDPROC(sun4v_niagara_getperf)
+
+ENTRY(sun4v_niagara_setperf)
+       mov     HV_FAST_SET_PERFREG, %o5
+       ta      HV_FAST_TRAP
+       retl
+        nop
+ENDPROC(sun4v_niagara_setperf)
+
+ENTRY(sun4v_niagara2_getperf)
+       mov     %o0, %o4
+       mov     HV_FAST_N2_GET_PERFREG, %o5
+       ta      HV_FAST_TRAP
+       stx     %o1, [%o4]
+       retl
+        nop
+ENDPROC(sun4v_niagara2_getperf)
+
+ENTRY(sun4v_niagara2_setperf)
+       mov     HV_FAST_N2_SET_PERFREG, %o5
+       ta      HV_FAST_TRAP
+       retl
+        nop
+ENDPROC(sun4v_niagara2_setperf)