From ee1e85455a29335005da62a7c39aee08cdf98446 Mon Sep 17 00:00:00 2001
From: zhouji <956133287@qq.com>
Date: Sun, 12 Dec 2021 11:24:35 +0800
Subject: [PATCH] =?UTF-8?q?[update]=20=E4=BD=BF=E7=94=A8memheap=E5=86=85?=
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---
 src/memheap.c | 9 ++++++---
 1 file changed, 6 insertions(+), 3 deletions(-)

diff --git a/src/memheap.c b/src/memheap.c
index 9c3f570f2..e96b402bc 100644
--- a/src/memheap.c
+++ b/src/memheap.c
@@ -832,13 +832,16 @@ static struct rt_memheap _heap;
  */
 void rt_system_heap_init(void *begin_addr, void *end_addr)
 {
-    RT_ASSERT((rt_uint32_t)end_addr > (rt_uint32_t)begin_addr);
+    RT_ASSERT((rt_size_t)end_addr > (rt_size_t)begin_addr);
+
+    rt_size_t begin_align = RT_ALIGN((rt_size_t)begin_addr, RT_ALIGN_SIZE);
+    rt_size_t end_align   = RT_ALIGN_DOWN((rt_size_t)end_addr, RT_ALIGN_SIZE);
 
     /* initialize a default heap in the system */
     rt_memheap_init(&_heap,
                     "heap",
-                    begin_addr,
-                    (rt_uint32_t)end_addr - (rt_uint32_t)begin_addr);
+                    (void *)begin_align,
+                    end_align - begin_align);
 }
 
 /**
-- 
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