Changeset 7e87436 in mainline for kernel/arch/arm32/include/security_ext.h

Timestamp:

2013-01-11T00:34:32Z (11 years ago)

Author:

Jan Vesely <jano.vesely@…>

Branches:

lfn, master, serial, ticket/834-toolchain-update, topic/msim-upgrade, topic/simplify-dev-export

Children:

eb1d9c1

Parents:

b9f72b97

Message:

arm32: Add Security extensions basics.

No monitor call handling, just checks.

File:

• kernel/arch/arm32/include/security_ext.h (modified) (1 diff)

kernel/arch/arm32/include/security_ext.h

@@ -49 +49 @@
 }
 
+static inline bool sec_ext_is_monitor_mode()
+{
+        return (current_status_reg_read() & MODE_MASK) == MONITOR_MODE;
+}
+
 static inline bool sec_ext_is_secure()
 {
         return sec_ext_is_implemented()
-            && ((current_status_reg_read() & MODE_MASK) == MONITOR_MODE
-                || !(SCR_read() & SCR_NS_FLAG));
+            && (sec_ext_is_monitor_mode() || !(SCR_read() & SCR_NS_FLAG));
 }
+
+typedef enum {
+        SECURITY_CALL_ENABLE_CP10_11 = 0xaaaa
+} sec_ext_call_t;
+
+static inline void sec_ext_call(sec_ext_call_t call)
+{
+        asm volatile ("mov r0, %0\nsmc #0" ::"r"(call));
+}
+
+int sec_ext_handle_call(sec_ext_call_t call);
 
 #endif