Memory map and execution fixes for simics.

1 files changed, 15 insertions, 0 deletions

diff --git a/src/include/kernel/ppcarch.H b/src/include/kernel/ppcarch.H
index 2b61f6200..13ebfe6e2 100644
--- a/src/include/kernel/ppcarch.H
+++ b/src/include/kernel/ppcarch.H
@@ -43,5 +43,20 @@ inline void ppc_setSPRG3(uint64_t _sprg3)
     return;
 }
 
+__attribute__((always_inline))
+inline uint64_t ppc_getMSR()
+{
+    register uint64_t msr = 0;
+    asm volatile("mfmsr %0" : "=r" (msr));
+    return msr;
+}
+
+__attribute__((always_inline))
+inline void ppc_setMSR(uint64_t _msr)
+{
+    register uint64_t msr = _msr;
+    asm volatile("mtmsr %0; isync" : "=r" (msr));
+}
+
 
 #endif