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-rw-r--r--arch/sparc64/kernel/hvcalls.S32
1 files changed, 32 insertions, 0 deletions
diff --git a/arch/sparc64/kernel/hvcalls.S b/arch/sparc64/kernel/hvcalls.S
index e066269d159..8a5f35ffb15 100644
--- 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)