From fce497aecaf6826d6fec3cfcb761abeac7fe72bf Mon Sep 17 00:00:00 2001
From: patacongo <patacongo@42af7a65-404d-4744-a932-0658087f49c3>
Date: Wed, 20 Mar 2013 18:22:21 +0000
Subject: Change prototypes of up_create_stack and up_release_stack to include
 a task type parameter

git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@5765 42af7a65-404d-4744-a932-0658087f49c3
---
 nuttx/arch/z16/src/common/up_usestack.c | 45 +++++++++++++++++++--------------
 1 file changed, 26 insertions(+), 19 deletions(-)

(limited to 'nuttx/arch/z16/src/common/up_usestack.c')

diff --git a/nuttx/arch/z16/src/common/up_usestack.c b/nuttx/arch/z16/src/common/up_usestack.c
index 671930bbe..6396ce9c2 100644
--- a/nuttx/arch/z16/src/common/up_usestack.c
+++ b/nuttx/arch/z16/src/common/up_usestack.c
@@ -1,4 +1,4 @@
-/************************************************************
+/****************************************************************************
  * arch/z16/common/up_usestack.c
  *
  *   Copyright (C) 2008-2009 Gregory Nutt. All rights reserved.
@@ -31,11 +31,11 @@
  * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
  * POSSIBILITY OF SUCH DAMAGE.
  *
- ************************************************************/
+ ****************************************************************************/
 
-/************************************************************
+/****************************************************************************
  * Included Files
- ************************************************************/
+ ****************************************************************************/
 
 #include <nuttx/config.h>
 
@@ -49,38 +49,45 @@
 
 #include "up_internal.h"
 
-/************************************************************
+/****************************************************************************
  * Private Types
- ************************************************************/
+ ****************************************************************************/
 
-/************************************************************
+/****************************************************************************
  * Private Function Prototypes
- ************************************************************/
+ ****************************************************************************/
 
-/************************************************************
+/****************************************************************************
  * Global Functions
- ************************************************************/
+ ****************************************************************************/
 
-/************************************************************
+/****************************************************************************
  * Name: up_use_stack
  *
  * Description:
- *   Setup up stack-related information in the TCB
- *   using pre-allocated stack memory
+ *   Setup up stack-related information in the TCB using pre-allocated stack
+ *   memory.  This function is called only from task_init() when a task or
+ *   kernel thread is started (never for pthreads).
  *
  *   The following TCB fields must be initialized:
- *   adj_stack_size: Stack size after adjustment for hardware,
+ *
+ *   - adj_stack_size: Stack size after adjustment for hardware,
  *     processor, etc.  This value is retained only for debug
  *     purposes.
- *   stack_alloc_ptr: Pointer to allocated stack
- *   adj_stack_ptr: Adjusted stack_alloc_ptr for HW.  The
+ *   - stack_alloc_ptr: Pointer to allocated stack
+ *   - adj_stack_ptr: Adjusted stack_alloc_ptr for HW.  The
  *     initial value of the stack pointer.
  *
  * Inputs:
- *   tcb: The TCB of new task
- *   stack_size:  The allocated stack size.
+ *   - tcb: The TCB of new task
+ *   - stack_size:  The allocated stack size.
+ *
+ *   NOTE:  Unlike up_stack_create() and up_stack_release, this function
+ *   does not require the task type (ttype) parameter.  The TCB flags will
+ *   always be set to provide the task type to up_use_stack() if it needs
+ *   that information.
  *
- ************************************************************/
+ ****************************************************************************/
 
 int up_use_stack(struct tcb_s *tcb, void *stack, size_t stack_size)
 {
-- 
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