[SPARC64]: Simplify TSB insert checks.

[safe/jmp/linux-2.6] / arch / sparc64 / kernel / entry.S

diff --git a/arch/sparc64/kernel/entry.S b/arch/sparc64/kernel/entry.S
index 9f3048e..6d0b3ed 100644 (file)
--- 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