From cf61dc391d030f8071a9bfdf6a030d2713c9ecb8 Mon Sep 17 00:00:00 2001
From: spashabk-in <shakeebbk@in.ibm.com>
Date: Wed, 29 Aug 2018 06:12:10 -0500
Subject: SBE logs on serial console

Print relevant information of SBE on
serial console

cmvc-prereq: 1071648
Change-Id: I17c38a06efef37defaefa3ef041635ed5b101270
Reviewed-on: http://rchgit01.rchland.ibm.com/gerrit1/65446
Tested-by: Jenkins Server <pfd-jenkins+hostboot@us.ibm.com>
Tested-by: FSP CI Jenkins <fsp-CI-jenkins+hostboot@us.ibm.com>
Reviewed-by: RAJA DAS <rajadas2@in.ibm.com>
Reviewed-by: Sachin Gupta <sgupta2m@in.ibm.com>
---
 src/sbefw/core/ipl.C        |  2 ++
 src/sbefw/core/sbeConsole.C | 40 ++++++++++++++++++++++++++++++++--------
 src/sbefw/core/sbeConsole.H | 34 ++++++++++++++++++++++++++++++----
 3 files changed, 64 insertions(+), 12 deletions(-)

(limited to 'src')

diff --git a/src/sbefw/core/ipl.C b/src/sbefw/core/ipl.C
index d817be60..14dd3162 100644
--- a/src/sbefw/core/ipl.C
+++ b/src/sbefw/core/ipl.C
@@ -28,6 +28,7 @@
 #include "sbeFFDC.H"
 
 #include "ipl.H"
+#include "sbeConsole.H"
 #include "sbeglobals.H"
 
 #include "p9n2_perv_scom_addresses.H"
@@ -121,6 +122,7 @@ void sbeDoContinuousIpl()
                 auto istepMap = &istepTableEntry->istepMinorArr[step-1];
                 if(istepMap->istepWrapper != NULL)
                 {
+                    SBE_MSG_CONSOLE("istep ", istepTableEntry->istepMajorNum, ".", step);
                     rc = istepMap->istepWrapper(istepMap->istepHwp);
                 }
                 bool checkstop = isSystemCheckstop();
diff --git a/src/sbefw/core/sbeConsole.C b/src/sbefw/core/sbeConsole.C
index 6f0db4ef..d3d3f3f6 100644
--- a/src/sbefw/core/sbeConsole.C
+++ b/src/sbefw/core/sbeConsole.C
@@ -246,16 +246,40 @@ void uartUnLock(void)
         pk_halt();
     }
 }
+
+void sbeMsgConsole(uint32_t num)
+{
+    // 8 chars for max unit32_t and a null terminator
+    char num_str[9] = {};
+
+    int i = 0;
+    if(num == 0)
+        num_str[0] = '0';
+    while(num)
+    {
+        num_str[i++] = (num % 10) + '0';
+        num /= 10;
+    }
+
+    // reverse string
+    char *start = num_str, *end = num_str + i-1;
+    while(start < end)
+    {
+        char temp = *start;
+        *start = *end;
+        *end = temp;
+        start++;
+        end--;
+    }
+
+    sbeMsgConsole((char*)(num_str));
+}
+
 void sbeMsgConsole(char const *msg)
 {
-    if(SBE_GLOBAL->sbeUartActive)
+    size_t c = 0;
+    while(msg[c] != '\0')
     {
-        size_t c = 0;
-        while(msg[c] != '\0')
-        {
-            uartPutChar(msg[c++]);
-        }
+        uartPutChar(msg[c++]);
     }
-    else
-        SBE_DEBUG("uart is not active");
 }
diff --git a/src/sbefw/core/sbeConsole.H b/src/sbefw/core/sbeConsole.H
index fe9b5734..d8b85670 100644
--- a/src/sbefw/core/sbeConsole.H
+++ b/src/sbefw/core/sbeConsole.H
@@ -6,6 +6,7 @@
 /* OpenPOWER sbe Project                                                  */
 /*                                                                        */
 /* Contributors Listed Below - COPYRIGHT 2018                             */
+/* [+] International Business Machines Corp.                              */
 /*                                                                        */
 /*                                                                        */
 /* Licensed under the Apache License, Version 2.0 (the "License");        */
@@ -34,16 +35,34 @@
     _SBE_MSG_CONSOLE(msg); \
     _SBE_MSG_CONSOLE("\n\r"); \
     SBE_UART_UNLOCK;
+
 #define SBE_MSG_CONSOLE_2(msg1, msg2) \
     SBE_UART_LOCK; \
     _SBE_MSG_CONSOLE(msg1); \
-    _SBE_MSG_CONSOLE(" "); \
     _SBE_MSG_CONSOLE(msg2); \
     _SBE_MSG_CONSOLE("\n\r"); \
     SBE_UART_UNLOCK;
+
+#define SBE_MSG_CONSOLE_3(msg1, msg2, msg3) \
+    SBE_UART_LOCK; \
+    _SBE_MSG_CONSOLE(msg1); \
+    _SBE_MSG_CONSOLE(msg2); \
+    _SBE_MSG_CONSOLE(msg3); \
+    _SBE_MSG_CONSOLE("\n\r"); \
+    SBE_UART_UNLOCK;
+
+#define SBE_MSG_CONSOLE_4(msg1, msg2, msg3, msg4) \
+    SBE_UART_LOCK; \
+    _SBE_MSG_CONSOLE(msg1); \
+    _SBE_MSG_CONSOLE(msg2); \
+    _SBE_MSG_CONSOLE(msg3); \
+    _SBE_MSG_CONSOLE(msg4); \
+    _SBE_MSG_CONSOLE("\n\r"); \
+    SBE_UART_UNLOCK;
+
 #define SBE_MSG_CONSOLE_HELPER_CALL(count, ...) SBE_MSG_CONSOLE_ ## count(__VA_ARGS__)
 #define SBE_MSG_CONSOLE_HELPER(count, ...) SBE_MSG_CONSOLE_HELPER_CALL(count, __VA_ARGS__)
-#define SBE_MSG_CONSOLE(...) SBE_MSG_CONSOLE_HELPER(VARG_COUNT(__VA_ARGS__), __VA_ARGS__)
+#define SBE_MSG_CONSOLE(...) SBE_MSG_CONSOLE_CHECK(__VA_ARGS__)
 
 #ifndef SBE_CONSOLE_SUPPORT
 
@@ -52,6 +71,7 @@
 #define SBE_UART_LOCK
 #define SBE_UART_UNLOCK
 #define _SBE_MSG_CONSOLE(msg)
+#define SBE_MSG_CONSOLE_CHECK(...)
 
 #else
 
@@ -60,11 +80,16 @@
 #define SBE_UART_LOCK uartLock()
 #define SBE_UART_UNLOCK uartUnLock()
 
+#define SBE_MSG_CONSOLE_CHECK(...) \
+    if(SBE_GLOBAL->sbeUartActive) \
+    { \
+        SBE_MSG_CONSOLE_HELPER(VARG_COUNT(__VA_ARGS__), __VA_ARGS__) \
+    }
 // SBE messages
 #define SBE_CONSOLE_WELCOME_MSG ("\n\r--== Welcome to SBE - CommitId[" STRINGIFY(SBE_COMMIT_ID) "] ==--")
 
-#define _SBE_MSG_CONSOLE(msg) \
-    sbeMsgConsole(msg)
+#define _SBE_MSG_CONSOLE(msg) sbeMsgConsole(msg)
+
 #define LPC_IO_SPACE        0xD0010000
 #define LPC_MAX_IO_SPACE    (64*1024)
 
@@ -73,6 +98,7 @@ void uartDisable(void);
 void uartLock(void);
 void uartUnLock(void);
 void sbeMsgConsole(char const *msg);
+void sbeMsgConsole(uint32_t num);
 //
 /** UART Register Offsets */
 enum
-- 
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