openpower/package/hostboot/hostboot-0012-Cap-off-the-TRACFBIN-such-that-nothing-exceeds-64-by.patch

From 7cd4c46c4b6689dcd16f7667076283abf14ef575 Mon Sep 17 00:00:00 2001
From: Elizabeth Liner <eliner@us.ibm.com>
Date: Mon, 30 Mar 2015 12:41:45 -0500
Subject: [PATCH 08/10] Cap off the TRACFBIN such that nothing exceeds 64 bytes

Change-Id: If8f08d1602b4437aa0e72e6d2e8d99ca615a2c77
Reviewed-on: http://gfw160.aus.stglabs.ibm.com:8080/gerrit/16762
Tested-by: Jenkins Server
Reviewed-by: Brian H. Horton <brianh@linux.ibm.com>
Reviewed-by: A. Patrick Williams III <iawillia@us.ibm.com>
(cherry picked from commit 56ab0ee178b8277c4cc7e24e8535802821b4cba7)
---
 src/include/usr/trace/interface.H | 17 ++++++++++++-----
 src/include/usr/trace/trace.H     |  3 +++
 2 files changed, 15 insertions(+), 5 deletions(-)

diff --git a/src/include/usr/trace/interface.H b/src/include/usr/trace/interface.H
index 3ef8575..4115ec2 100644
--- a/src/include/usr/trace/interface.H
+++ b/src/include/usr/trace/interface.H
@@ -218,13 +218,20 @@ const uint32_t TRACE_FIELD   = 0;       //Indicates trace is field
 */
 #define TRACFBIN(des,printf_string,address,len) \
     { \
+        /*TODO: RTC 124618 - remove this block once issue is resolved*/ \
+        uint16_t l_length = len; \
+        if(l_length > MAX_WORKING_TRACBIN_SIZE) \
+        { \
+            l_length = MAX_WORKING_TRACBIN_SIZE; \
+            TRACFCOMP(des,"Shrinking to max size in TRACFBIN"); \
+        } \
         __TRACE_HASH_STRUCTURES(printf_string); \
         TRACE::trace_adal_write_bin((des), \
-                                    &__traceData_codeInfo, \
-                                    __LINE__, \
-                                    address, \
-                                    len, \
-                                    TRACE_FIELD); \
+                                &__traceData_codeInfo, \
+                                __LINE__, \
+                                address, \
+                                l_length, \
+                                TRACE_FIELD); \
     }
 
 /**
diff --git a/src/include/usr/trace/trace.H b/src/include/usr/trace/trace.H
index fdcce88..bf5421c 100644
--- a/src/include/usr/trace/trace.H
+++ b/src/include/usr/trace/trace.H
@@ -42,6 +42,9 @@ const uint32_t TRACE_DEBUG_OFF   = 0;       //< Set to this when debug trace off
 const uint32_t TRAC_COMP_SIZE    = 16;      //< Max component name size
 const uint32_t TRAC_MAX_ARGS     = 9;       //< Max number of arguments in trace
 
+//TODO: RTC 124618 - remove this block once issue is resolved
+const uint16_t MAX_WORKING_TRACBIN_SIZE = 64; //< Max working tracBin size
+
 typedef uint32_t trace_hash_val;    //< Hash values are 32 bits.
 
 
-- 
1.8.2.2