Add userspace syscalls for PVR.

Change-Id: I27d51e0e9f2396a4ddd45d98d6b1004a17c9db46
Reviewed-on: http://gfw160.austin.ibm.com:8080/gerrit/219
Tested-by: Jenkins Server
Reviewed-by: Douglas R. Gilbert <dgilbert@us.ibm.com>
Reviewed-by: MATTHEW S. BARTH <msbarth@us.ibm.com>

3 files changed, 40 insertions, 20 deletions

diff --git a/src/include/kernel/cpuid.H b/src/include/kernel/cpuid.H
index 75287a66e..f2ee02442 100644
--- a/src/include/kernel/cpuid.H
+++ b/src/include/kernel/cpuid.H
@@ -3,27 +3,10 @@
 
 #include <stdint.h>
 #include <arch/ppc.H>
+#include <sys/misc.h>
 
 namespace CpuID
 {
-    /** @enum ProcessorCoreType
-     *  @brief Enumeration of the different supported processor cores.
-     */
-    enum ProcessorCoreType
-    {
-        /** Base Power7 */
-        POWER7,
-        /** Power7+ */
-        POWER7_PLUS,
-
-        /** Power8 "Salerno" (low-end) core */
-        POWER8_SALERNO,
-        /** Power8 "Venice" (high-end) core */
-        POWER8_VENICE,
-
-        UNKNOWN,
-    };
-
     /** @fn getCpuType()
      *  @brief Decode the processor type from the PVR register.
      *
diff --git a/src/include/kernel/syscalls.H b/src/include/kernel/syscalls.H
index 6473f12b6..5b5e31fc3 100644
--- a/src/include/kernel/syscalls.H
+++ b/src/include/kernel/syscalls.H
@@ -23,7 +23,7 @@ namespace Systemcalls
 	TASK_START,
             /** task_end() */
 	TASK_END,
-            
+
             /** msgq_create() */
 	MSGQ_CREATE,
             /** msgq_destroy() */
@@ -32,7 +32,7 @@ namespace Systemcalls
 	MSGQ_REGISTER_ROOT,
             /** VFS internal */
 	MSGQ_RESOLVE_ROOT,
-            
+
             /** msg_send() */
 	MSG_SEND,
             /** msg_sendrecv() */
@@ -59,6 +59,11 @@ namespace Systemcalls
             /** shutdown() */
         MISC_SHUTDOWN,
 
+            /** cpu_core_type() */
+        MISC_CPUCORETYPE,
+            /** cpu_dd_level() */
+        MISC_CPUDDLEVEL,
+
 	SYSCALL_MAX
     };
 
diff --git a/src/include/sys/misc.h b/src/include/sys/misc.h
index 8e963ad2e..ba0db0a24 100644
--- a/src/include/sys/misc.h
+++ b/src/include/sys/misc.h
@@ -14,6 +14,38 @@ extern "C"
  */
 void shutdown(uint64_t i_status);
 
+/** @enum ProcessorCoreType
+ *  @brief Enumeration of the different supported processor cores.
+ */
+enum ProcessorCoreType
+{
+    /** Base Power7 */
+    CORE_POWER7,
+    /** Power7+ */
+    CORE_POWER7_PLUS,
+
+    /** Power8 "Salerno" (low-end) core */
+    CORE_POWER8_SALERNO,
+    /** Power8 "Venice" (high-end) core */
+    CORE_POWER8_VENICE,
+
+    CORE_UNKNOWN,
+};
+
+/** @fn cpu_core_type()
+ *  @brief Determine the procesore core type.
+ *
+ *  @return ProcessorCoreType - Value from enumeration for this core.
+ */
+ProcessorCoreType cpu_core_type();
+
+/** @fn cpu_dd_level()
+ *  @brief Determine the processor DD level.
+ *
+ *  @return 1 byte DD level as <major nibble, minor nibble>.
+ */
+uint8_t cpu_dd_level();
+
 #ifdef __cplusplus
 }
 #endif