From 38db41c6ba0179d82c40e75dcd52dde764474d78 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E5=A4=A7=E7=9F=B3=E5=A4=B4?= <nnhy@vip.qq.com>
Date: Wed, 14 Dec 2016 20:35:32 +0800
Subject: [PATCH] =?UTF-8?q?=E7=8B=AC=E7=AB=8B=E5=87=BD=E6=95=B0=E5=AE=9E?=
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---
 Core/_Core.h             |  3 ++-
 Kernel/Sys.h             |  3 ++-
 Platform/CortexM/Sys.cpp | 13 +++++++++++++
 3 files changed, 17 insertions(+), 2 deletions(-)

diff --git a/Core/_Core.h b/Core/_Core.h
index 3ce4fc88..1e0b59c2 100644
--- a/Core/_Core.h
+++ b/Core/_Core.h
@@ -6,7 +6,8 @@
 extern "C"
 {
 #if defined(DEBUG)
-	#define debug_printf printf
+	#define debug_printf SmartOS_printf
+	extern int SmartOS_printf(const char *format, ...);
 #else
 	#define debug_printf(format, ...)
 #endif
diff --git a/Kernel/Sys.h b/Kernel/Sys.h
index 1fe0db27..3c457dee 100644
--- a/Kernel/Sys.h
+++ b/Kernel/Sys.h
@@ -26,7 +26,8 @@
 extern "C"
 {
 #if defined(DEBUG)
-	#define debug_printf printf
+	#define debug_printf SmartOS_printf
+	extern int SmartOS_printf(const char *format, ...);
 #else
 	#define debug_printf(format, ...)
 #endif
diff --git a/Platform/CortexM/Sys.cpp b/Platform/CortexM/Sys.cpp
index 6c46bed3..5f18df1c 100644
--- a/Platform/CortexM/Sys.cpp
+++ b/Platform/CortexM/Sys.cpp
@@ -371,3 +371,16 @@ void ExitCritical()		{ __enable_irq(); }
 
 uint	_REV(uint value)		{ return __REV(value); }
 ushort	_REV16(ushort value)	{ return __REV16(value); }
+
+/******************************** 调试日志 ********************************/
+
+int SmartOS_printf(const char* format, ...)
+{
+	va_list ap;
+
+	va_start(ap, format);
+	int rs	= printf(format, ap);
+	va_end(ap);
+
+	return rs;
+}