From d835d91ae8fd07fc79d33fc1a43ba2fc72b40430 Mon Sep 17 00:00:00 2001
From: tanek liang <tanekliang@gmail.com>
Date: Mon, 24 Jul 2017 00:23:35 +0800
Subject: [PATCH 1/2] [kernel] use the macro definition instead of the user
 main thread

---
 src/components.c | 10 ++++++++--
 1 file changed, 8 insertions(+), 2 deletions(-)

diff --git a/src/components.c b/src/components.c
index 32409924f4..fc527a97b4 100644
--- a/src/components.c
+++ b/src/components.c
@@ -33,6 +33,12 @@
 #include <rthw.h>
 #include <rtthread.h>
 
+#ifdef RT_USING_USER_MAIN
+#ifndef RT_MAIN_THREAD_STACK_SIZE
+#define RT_MAIN_THREAD_STACK_SIZE     512
+#endif
+#endif
+
 #ifdef RT_USING_COMPONENTS_INIT
 /*
  * Components Initialization will initialize some driver and components as following 
@@ -172,7 +178,7 @@ int entry(void)
 #ifndef RT_USING_HEAP
 /* if there is not enable heap, we should use static thread and stack. */
 ALIGN(8)
-static rt_uint8_t main_stack[2048];
+static rt_uint8_t main_stack[RT_MAIN_THREAD_STACK_SIZE];
 struct rt_thread main_thread;
 #endif
 
@@ -199,7 +205,7 @@ void rt_application_init(void)
 
 #ifdef RT_USING_HEAP
     tid = rt_thread_create("main", main_thread_entry, RT_NULL,
-                           2048, RT_THREAD_PRIORITY_MAX / 3, 20);
+                           RT_MAIN_THREAD_STACK_SIZE, RT_THREAD_PRIORITY_MAX / 3, 20);
     RT_ASSERT(tid != RT_NULL);
 #else
     rt_err_t result;

From 2448b69d02f0378fbfde4f68dba07c3ef74e4963 Mon Sep 17 00:00:00 2001
From: tanek liang <tanekliang@gmail.com>
Date: Mon, 24 Jul 2017 00:28:15 +0800
Subject: [PATCH 2/2] [kernel] rename RT_TINY_SIZE to RT_USING_TINY_SIZE

---
 src/kservice.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/kservice.c b/src/kservice.c
index 6f3da80533..123c852971 100644
--- a/src/kservice.c
+++ b/src/kservice.c
@@ -135,7 +135,7 @@ RTM_EXPORT(_rt_errno);
  */
 void *rt_memset(void *s, int c, rt_ubase_t count)
 {
-#ifdef RT_TINY_SIZE
+#ifdef RT_USING_TINY_SIZE
     char *xs = (char *)s;
 
     while (count--)
@@ -218,7 +218,7 @@ RTM_EXPORT(rt_memset);
  */
 void *rt_memcpy(void *dst, const void *src, rt_ubase_t count)
 {
-#ifdef RT_TINY_SIZE
+#ifdef RT_USING_TINY_SIZE
     char *tmp = (char *)dst, *s = (char *)src;
 
     while (count--)