Implemented SBE Passthrough for Attribute Override.

*Wrote a runtime SBE pass-through function to invoke the
runtime apply_attribute_overrides function. The caller
is required to place the request data in the
SBE COMMS reserved memory area and invoke the
sbe_message_passing function. The request data consists
of an sbeMessage_t header followed by binary override
data which can be obtained from the attributeOverride tool.
Upon completion of the sbe_message_passing function, the
respose data will be written to the SBE COMMS AREA.

*Added support for accessing system attributes at runtime.

RTC: 152409
Change-Id: Ieed3e026350cc272e6268e7802971551d3f39ed4
Reviewed-on: http://ralgit01.raleigh.ibm.com/gerrit1/44311
Tested-by: Jenkins Server <pfd-jenkins+hostboot@us.ibm.com>
Tested-by: Jenkins OP Build CI <op-jenkins+hostboot@us.ibm.com>
Tested-by: FSP CI Jenkins <fsp-CI-jenkins+hostboot@us.ibm.com>
Tested-by: Jenkins OP HW <op-hw-jenkins+hostboot@us.ibm.com>
Reviewed-by: Roland Veloz <rveloz@us.ibm.com>
Reviewed-by: Martin Gloff <mgloff@us.ibm.com>
Reviewed-by: Daniel M. Crowell <dcrowell@us.ibm.com>

1 files changed, 11 insertions, 1 deletions

diff --git a/src/usr/util/runtime/rt_cmds.C b/src/usr/util/runtime/rt_cmds.C
index b415b7322..3984f9f8f 100644
--- a/src/usr/util/runtime/rt_cmds.C
+++ b/src/usr/util/runtime/rt_cmds.C
@@ -125,7 +125,17 @@ void cmd_getattr( char*& o_output,
     UTIL_FT( "cmd_getattr> huid=%.8X, attr=%.8X, size=%d",
              i_huid, i_attrId, i_size );
 
-    TARGETING::Target* l_targ = getTargetFromHUID(i_huid);
+    TARGETING::Target* l_targ{};
+
+    if(0xFFFFFFFF == i_huid)
+    {
+        TARGETING::targetService().getTopLevelTarget(l_targ);
+    }
+    else
+    {
+        l_targ = getTargetFromHUID(i_huid);
+    }
+
     if( l_targ == NULL )
     {
         o_output = new char[100];