1 files changed, 81 insertions, 0 deletions
diff --git a/src/usr/scom/errlud_cache.C b/src/usr/scom/errlud_cache.C
new file mode 100644
index 000000000..014b77846
--- /dev/null
+++ b/src/usr/scom/errlud_cache.C
@@ -0,0 +1,81 @@
+/* IBM_PROLOG_BEGIN_TAG                                                   */
+/* This is an automatically generated prolog.                             */
+/*                                                                        */
+/* $Source: src/usr/scom/errlud_cache.C $                                 */
+/*                                                                        */
+/* OpenPOWER HostBoot Project                                             */
+/*                                                                        */
+/* Contributors Listed Below - COPYRIGHT 2014,2018                        */
+/* [+] International Business Machines Corp.                              */
+/*                                                                        */
+/*                                                                        */
+/* Licensed under the Apache License, Version 2.0 (the "License");        */
+/* you may not use this file except in compliance with the License.       */
+/* You may obtain a copy of the License at                                */
+/*                                                                        */
+/*     http://www.apache.org/licenses/LICENSE-2.0                         */
+/*                                                                        */
+/* Unless required by applicable law or agreed to in writing, software    */
+/* distributed under the License is distributed on an "AS IS" BASIS,      */
+/* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or        */
+/* implied. See the License for the specific language governing           */
+/* permissions and limitations under the License.                         */
+/*                                                                        */
+/* IBM_PROLOG_END_TAG                                                     */
+
+/**
+ *  @file errlud_cache.C
+ *
+ *  @brief Implementation of classes to log Centaur SCOM register cache
+ *       mismatch FFDC
+ */
+
+#include <scom/scomreasoncodes.H>
+#include <errl/errlentry.H>
+#include <errl/errlmanager.H>
+#include <util/utilmem.H>
+#include "errlud_cache.H"
+
+SECUREBOOT::CENTAUR_SECURITY::UdCentaurCacheMismatch::UdCentaurCacheMismatch(
+    const uint64_t i_registerAddr,
+    const uint64_t i_unmaskedExpectedValue,
+    const uint64_t i_unmaskedActualValue,
+    const uint64_t i_mask)
+{
+    // Set up Ud instance variables
+    iv_CompId     = SCOM_COMP_ID;
+    iv_Version    = SCOM::SCOM_UDT_VERSION_1;
+    iv_SubSection = SCOM::SCOM_UDT_CENTAUR_CACHE_MISMATCH;
+
+    const auto maskedExpectedValue=i_unmaskedExpectedValue&i_mask;
+    const auto maskedActualValue  =i_unmaskedActualValue&i_mask;
+
+    //***** Version SCOM_UDT_VERSION_1 Memory Layout *****
+    // 8 bytes : Centaur SCOM address with the cache miscompare
+    // 8 bytes : Expected value from cache (unmasked)
+    // 8 bytes : Actual value read from hardware (unmasked)
+    // 8 bytes : Mask of bits to compare for the two values
+    // 8 bytes : Expected value from cache (masked)
+    // 8 bytes : Actual value read from hardware (masked)
+
+    UtilMem memBuf;
+    memBuf << i_registerAddr
+           << i_unmaskedExpectedValue
+           << i_unmaskedActualValue
+           << i_mask
+           << maskedExpectedValue
+           << maskedActualValue;
+
+    auto pError = memBuf.getLastError();
+    if(pError)
+    {
+        errlCommit(pError,SCOM_COMP_ID);
+    }
+    else
+    {
+        uint8_t* const pBuf =
+            reallocUsrBuf(memBuf.size());
+        memcpy(pBuf, memBuf.base(), memBuf.size());
+    }
+}
+