Adding new interface to update page permissions.. Interface only.

Added changes from review comments
Updated new enum for system call

Change-Id: I8a55b5e2f67427e59263eae31913e438ca782006
Reviewed-on: http://gfw160.austin.ibm.com:8080/gerrit/331
Tested-by: Jenkins Server
Reviewed-by: A. Patrick Williams III <iawillia@us.ibm.com>
Reviewed-by: Douglas R. Gilbert <dgilbert@us.ibm.com>
Reviewed-by: Melissa J. Connell <missyc@us.ibm.com>

1 files changed, 10 insertions, 0 deletions

diff --git a/src/lib/syscall_mm.C b/src/lib/syscall_mm.C
index 52e0a5340..b72e897ba 100644
--- a/src/lib/syscall_mm.C
+++ b/src/lib/syscall_mm.C
@@ -23,6 +23,7 @@
 #include <sys/syscall.h>
 #include <sys/mm.h>
 #include <arch/ppc.H>
+#include <kernel/vmmmgr.H>
 
 using namespace Systemcalls;
 
@@ -71,3 +72,12 @@ void mm_icache_invalidate(void * i_addr, size_t i_cpu_word_count)
 
     isync();
 }
+        
+
+/**
+ * System call update permissions on a page for a given virtual address 
+ */
+int mm_set_permission(void* va, uint64_t size, PAGE_PERMISSIONS access_type)
+{
+    return (int64_t)_syscall3(MM_SET_PERMISSION, va, (void*)size,  (void*)access_type);
+}