1 files changed, 28 insertions, 0 deletions

diff --git a/arch/sparc64/kernel/entry.S b/arch/sparc64/kernel/entry.S
index 9f3048e64e84..6d0b3ed77a02 100644
--- a/arch/sparc64/kernel/entry.S
+++ b/arch/sparc64/kernel/entry.S
@@ -1795,3 +1795,31 @@ sun4v_cpu_yield:
         ta      HV_FAST_TRAP
         retl
          nop
+
+        /* %o0: num cpus in cpu list
+         * %o1: cpu list paddr
+         * %o2: mondo block paddr
+         *
+         * returns %o0: status
+         */
+        .globl  sun4v_cpu_mondo_send
+sun4v_cpu_mondo_send:
+        mov     HV_FAST_CPU_MONDO_SEND, %o5
+        ta      HV_FAST_TRAP
+        retl
+         nop
+
+        /* %o0: CPU ID
+         *
+         * returns %o0: -status if status non-zero, else
+         *         %o0: cpu state as HV_CPU_STATE_*
+         */
+        .globl  sun4v_cpu_state
+sun4v_cpu_state:
+        mov     HV_FAST_CPU_STATE, %o5
+        ta      HV_FAST_TRAP
+        brnz,pn %o0, 1f
+         sub    %g0, %o0, %o0
+        mov     %o1, %o0
+1:      retl
+         nop