git-svn-id: svn://svn.code.sf.net/p/chibios/svn/trunk@792 35acf78f-673a-0410-8e92-d51de3d6d3f4

demos/Win32-MinGW/chcore.h

@@ -109,7 +109,7 @@ struct context {
 /**
  * Enforces a correct alignment for a stack area size value.
  */
-#define STACK_ALIGN(n) ((((n) - 1) | sizeof(stkalign_t)) + 1)
+#define STACK_ALIGN(n) ((((n) - 1) | (sizeof(stkalign_t) - 1)) + 1)
 
  /**
   * Computes the thread working area global size.

ports/ARM7/chcore.h

@@ -128,7 +128,7 @@ struct context {
 /**
  * Enforces a correct alignment for a stack area size value.
  */
-#define STACK_ALIGN(n) ((((n) - 1) | sizeof(stkalign_t)) + 1)
+#define STACK_ALIGN(n) ((((n) - 1) | (sizeof(stkalign_t) - 1)) + 1)
 
 /**
  * Computes the thread working area global size.

ports/AVR/chcore.h

@@ -153,7 +153,7 @@ struct context {
 /**
  * Enforces a correct alignment for a stack area size value.
  */
-#define STACK_ALIGN(n) ((((n) - 1) | sizeof(stkalign_t)) + 1)
+#define STACK_ALIGN(n) ((((n) - 1) | (sizeof(stkalign_t) - 1)) + 1)
 
 /**
  * Computes the thread working area global size.

ports/MSP430/chcore.h

@@ -125,7 +125,7 @@ struct context {
 /**
  * Enforces a correct alignment for a stack area size value.
  */
-#define STACK_ALIGN(n) ((((n) - 1) | sizeof(stkalign_t)) + 1)
+#define STACK_ALIGN(n) ((((n) - 1) | (sizeof(stkalign_t) - 1)) + 1)
 
 /**
  * Computes the thread working area global size.

readme.txt

@@ -73,6 +73,8 @@ Win32-MinGW            - ChibiOS/RT simulator and demo into a WIN32 process,
 *****************************************************************************
 
 *** 1.1.1unstable ***
+- FIX: Fixed a problem into the STACK_ALIGN() macro (backported in stable
+  branch).
 - FIX: Fixed a problem with a wrong declaration of the PLL structure in the
   file lpc214x.h (backported in stable branch).
 - FIX: Fixed a problem with some event APIs not showing in the documentation

src/templates/chcore.h

@@ -96,7 +96,7 @@ struct context {
 /**
  * Enforces a correct alignment for a stack area size value.
  */
-#define STACK_ALIGN(n) ((((n) - 1) | sizeof(stkalign_t)) + 1)
+#define STACK_ALIGN(n) ((((n) - 1) | (sizeof(stkalign_t) - 1)) + 1)
 
 /**
  * Computes the thread working area global size.