Add printk error log UD and collect on task crash.

    - Create a new UserDetails section for error log.
    - Modify initservice utility for launching tasks (shared by
      initservice and istepdispatcher) to collect this when a
      task has crashed.

Change-Id: I1273457fcc3879b9e2ca91b636281225a8f79136
CQ: SW254145
Backport: release-fips810
Reviewed-on: http://gfw160.aus.stglabs.ibm.com:8080/gerrit/9985
Tested-by: Jenkins Server
Reviewed-by: Andrew J. Geissler <andrewg@us.ibm.com>
Reviewed-by: STEPHEN M. CPREK <smcprek@us.ibm.com>
Reviewed-by: A. Patrick Williams III <iawillia@us.ibm.com>

1 files changed, 49 insertions, 0 deletions

diff --git a/src/usr/errl/errludprintk.C b/src/usr/errl/errludprintk.C
new file mode 100644
index 000000000..f4838c7d2
--- /dev/null
+++ b/src/usr/errl/errludprintk.C
@@ -0,0 +1,49 @@
+/* IBM_PROLOG_BEGIN_TAG                                                   */
+/* This is an automatically generated prolog.                             */
+/*                                                                        */
+/* $Source: src/usr/errl/errludprintk.C $                                 */
+/*                                                                        */
+/* IBM CONFIDENTIAL                                                       */
+/*                                                                        */
+/* COPYRIGHT International Business Machines Corp. 2014                   */
+/*                                                                        */
+/* p1                                                                     */
+/*                                                                        */
+/* Object Code Only (OCO) source materials                                */
+/* Licensed Internal Code Source Materials                                */
+/* IBM HostBoot Licensed Internal Code                                    */
+/*                                                                        */
+/* The source code for this program is not published or otherwise         */
+/* divested of its trade secrets, irrespective of what has been           */
+/* deposited with the U.S. Copyright Office.                              */
+/*                                                                        */
+/* Origin: 30                                                             */
+/*                                                                        */
+/* IBM_PROLOG_END_TAG                                                     */
+#include <errl/errludprintk.H>
+#include <errl/errlreasoncodes.H>
+#include <kernel/console.H>
+#include <algorithm>
+#include <string.h>
+
+namespace ERRORLOG
+{
+
+    void ErrlUserDetailsPrintk::_capturePrintk(size_t i_size)
+    {
+        // Determine existing size of printk buffer.
+        size_t printkSize = strnlen(kernel_printk_buffer, Console::BUFFER_SIZE);
+        i_size = std::min(i_size, printkSize);
+
+        // Copy trailing i_size to UD buffer.
+        uint8_t* buffer = reallocUsrBuf(i_size);
+        memcpy(buffer, &kernel_printk_buffer[printkSize - i_size], i_size);
+
+        // Set up ErrlUserDetails instance variables.
+        iv_CompId = ERRL_COMP_ID;
+        iv_Version = 1;
+        iv_SubSection = ERRL_UDT_PRINTK;
+
+    }
+
+};