Shutdown and post status on HostBoot completion

Change-Id: If2ab46af85065b29695a1186ed331fd835944eb4
Reviewed-on: http://gfw160.austin.ibm.com:8080/gerrit/204
Tested-by: Jenkins Server
Reviewed-by: Mark W. Wenning <wenning@us.ibm.com>
Reviewed-by: A. Patrick Williams III <iawillia@us.ibm.com>

1 files changed, 35 insertions, 0 deletions

diff --git a/src/include/arch/ppc.H b/src/include/arch/ppc.H
index a87f339f2..7c19fdf16 100644
--- a/src/include/arch/ppc.H
+++ b/src/include/arch/ppc.H
@@ -185,4 +185,39 @@ inline void icbi(void* _ptr)
     asm volatile("icbi 0, %0" : : "b" (ptr) : "memory");
 }
 
+ALWAYS_INLINE
+inline void doze()
+{
+    asm volatile("doze");
+}
+
+ALWAYS_INLINE
+inline void setScratch0Spr(uint64_t _data)
+{
+    // Write to SPRC(276) to select the register
+    //   0x20 selects SCRATCH 0 SPR
+    // Write to SPRD(277) to write the data
+    // TODO This is per P7 Pervasive Spec. Is this the same for Salerno/Venice?
+    register uint64_t address = 0x20;
+    register uint64_t data = _data;
+    asm volatile("mtspr 276, %0\n"
+                 "isync\n"
+                 "mtspr 277, %1" :: "r" (address), "r" (data));
+}
+
+ALWAYS_INLINE
+inline uint64_t getScratch0Spr()
+{
+    // Write to SPRC(276) to select the register
+    //   0x20 selects SCRATCH 0 SPR
+    // Read from SPRD(277) to get the data
+    // TODO This is per P7 Pervasive Spec. Is this the same for Salerno/Venice?
+    register uint64_t address = 0x20;
+    register uint64_t data = 0;
+    asm volatile("mtspr 276, %1\n"
+                 "isync\n"
+                 "mfspr %0, 277" : "=r" (data) : "r" (address));
+    return data;
+}
+
 #endif