Add environment var to remove debug messages.

    - Add printkd function.
    - Create HOSTBOOT_DEBUG env var for printk.
    - Update trace interfaces to utilize HOSTBOOT_DEBUG.
    - Fix compile errors due to unused variables.

Change-Id: Ib18c3ecd51ca333e0118949bf35476e9c5aa46a7
Reviewed-on: http://gfw160.austin.ibm.com:8080/gerrit/273
Tested-by: Jenkins Server
Reviewed-by: A. Patrick Williams III <iawillia@us.ibm.com>

1 files changed, 8 insertions, 2 deletions

diff --git a/src/include/kernel/console.H b/src/include/kernel/console.H
index 2d2cb08fc..51a729960 100644
--- a/src/include/kernel/console.H
+++ b/src/include/kernel/console.H
@@ -27,13 +27,19 @@
 #include <string.h>
 #include <builtins.h>
 
+#ifdef HOSTBOOT_DEBUG
+    #define printkd(format...) printk(## format)
+#else
+    #define printkd(format...)
+#endif
+
 void printk(const char*, ...) FORMAT_PRINTF;
 
 class Console
 {
     public:
 	int putc(int);
-	
+
 	enum { BUFFER_SIZE = 1024 * 16 };
 
     protected:
@@ -41,7 +47,7 @@ class Console
 	~Console() {};
 
     private:
-	size_t iv_pos;    
+	size_t iv_pos;
 	char * iv_buffer;
 };