SMF: Defined new attribute containing unsecure HOMER memory's size.

Commit defines a new attribute which is populated during build of HOMER. Once HOMER is built, hostboot reads the attribute and copies amount of memory specified from a temp buffer to an unsecure HOMER region. Change-Id: I184c27bfea7def4aaa7f55132b92a053105237b0 Reviewed-on: http://rchgit01.rchland.ibm.com/gerrit1/69616 Tested-by: Jenkins Server <[email protected]> Tested-by: HWSV CI <[email protected]> Tested-by: PPE CI <[email protected]> Tested-by: Hostboot CI <[email protected]> Tested-by: FSP CI Jenkins <[email protected]> Reviewed-by: Gregory S. Still <[email protected]> Reviewed-by: RANGANATHPRASAD G. BRAHMASAMUDRA <[email protected]> Reviewed-by: Jennifer A. Stofer <[email protected]> Reviewed-on: http://rchgit01.rchland.ibm.com/gerrit1/69624 Tested-by: Jenkins OP Build CI <[email protected]> Tested-by: Jenkins OP HW <[email protected]> Reviewed-by: Christian R. Geddes <[email protected]>
open-power · Jan 29, 2019 · 164e4ec · 164e4ec
1 parent caec0f1
commit 164e4ec
Showing 1 changed file with 16 additions and 1 deletion.
diff --git a/src/import/chips/p9/procedures/xml/attribute_info/pm_plat_attributes.xml b/src/import/chips/p9/procedures/xml/attribute_info/pm_plat_attributes.xml
@@ -2589,7 +2589,7 @@
   <attribute>
     <id>ATTR_UNSECURE_HOMER_ADDRESS</id>
     <targetType>TARGET_TYPE_PROC_CHIP</targetType>
-    <description>Address is allocated by hostboot and HBRT and is populated 
+    <description>Address is allocated by hostboot and HBRT and is populated
     by p9_hcode_image_build with sc2 instruction. It enables CME to invoke
     a transition from HV to UV during STOP entry on an SMF enabled system.
     Address value should be aligned with 2MB boundary.
@@ -2601,4 +2601,19 @@
     <initToZero/>
   </attribute>
   <!-- ********************************************************************* -->
+  <attribute>
+    <id>ATTR_UNSECURE_HOMER_SIZE</id>
+    <targetType>TARGET_TYPE_SYSTEM</targetType>
+    <description>Size of memory which hostboot must copy from a temp buffer to
+    an unsecure region of main store memory. Once HOMER is built, hostboot reads
+    the attribute and copies the amount of memory specified in this attribute from
+    a temp buffer to an unsecure region of main memory specifed in an attribute
+    ATTR_UNSECURE_HOMER_ADDRESS
+    Producer: Initialized by hostboot firmware based on platform support
+    Consumers: Read by p9_hcode_image_build.C
+    </description>
+    <writeable/>
+    <valueType>uint32</valueType>
+    <initToZero/>
+  </attribute>
 </attributes>