diff options
Diffstat (limited to 'libcpu/ia32/stack.c')
| -rw-r--r-- | libcpu/ia32/stack.c | 118 |
1 files changed, 59 insertions, 59 deletions
diff --git a/libcpu/ia32/stack.c b/libcpu/ia32/stack.c index 0331819f71..9d656a73d6 100644 --- a/libcpu/ia32/stack.c +++ b/libcpu/ia32/stack.c @@ -1,59 +1,59 @@ -/*
- * File : stack.c
- * This file is part of RT-Thread RTOS
- * COPYRIGHT (C) 2006, RT-Thread Development Team
- *
- * The license and distribution terms for this file may be
- * found in the file LICENSE in this distribution or at
- * http://openlab.rt-thread.com/license/LICENSE
- *
- * Change Logs:
- * Date Author Notes
- */
-
-#include <rtthread.h>
-
-#include <i386.h>
-
-/**
- * @addtogroup I386
- */
-/*@{*/
-
-/**
- * This function will initialize thread stack
- *
- * @param tentry the entry of thread
- * @param parameter the parameter of entry
- * @param stack_addr the beginning stack address
- * @param texit the function will be called when thread exit
- *
- * @return stack address
- */
-rt_uint8_t *rt_hw_stack_init(void *tentry, void *parameter,
- rt_uint8_t *stack_addr, void *texit)
-{
- unsigned long *stk;
-
- stk = (unsigned long *)stack_addr;
- *(--stk) = (unsigned long)parameter;
- *(--stk) = (unsigned long)texit;
- *(--stk) = 0x200; /*flags*/
- *(--stk) = 0x08; /*cs*/
- *(--stk) = (unsigned long)tentry; /*eip*/
- *(--stk) = 0; /*irqno*/
- *(--stk) = 0x10; /*ds*/
- *(--stk) = 0x10; /*es*/
- *(--stk) = 0; /*eax*/
- *(--stk) = 0; /*ecx*/
- *(--stk) = 0; /*edx*/
- *(--stk) = 0; /*ebx*/
- *(--stk) = 0; /*esp*/
- *(--stk) = 0; /*ebp*/
- *(--stk) = 0; /*esi*/
- *(--stk) = 0; /*edi*/
-
- /* return task's current stack address */
- return (rt_uint8_t *)stk;
-}
-/*@}*/
+/* + * File : stack.c + * This file is part of RT-Thread RTOS + * COPYRIGHT (C) 2006, RT-Thread Development Team + * + * The license and distribution terms for this file may be + * found in the file LICENSE in this distribution or at + * http://openlab.rt-thread.com/license/LICENSE + * + * Change Logs: + * Date Author Notes + */ + +#include <rtthread.h> + +#include <i386.h> + +/** + * @addtogroup I386 + */ +/*@{*/ + +/** + * This function will initialize thread stack + * + * @param tentry the entry of thread + * @param parameter the parameter of entry + * @param stack_addr the beginning stack address + * @param texit the function will be called when thread exit + * + * @return stack address + */ +rt_uint8_t *rt_hw_stack_init(void *tentry, void *parameter, + rt_uint8_t *stack_addr, void *texit) +{ + unsigned long *stk; + + stk = (unsigned long *)stack_addr; + *(--stk) = (unsigned long)parameter; + *(--stk) = (unsigned long)texit; + *(--stk) = 0x200; /*flags*/ + *(--stk) = 0x08; /*cs*/ + *(--stk) = (unsigned long)tentry; /*eip*/ + *(--stk) = 0; /*irqno*/ + *(--stk) = 0x10; /*ds*/ + *(--stk) = 0x10; /*es*/ + *(--stk) = 0; /*eax*/ + *(--stk) = 0; /*ecx*/ + *(--stk) = 0; /*edx*/ + *(--stk) = 0; /*ebx*/ + *(--stk) = 0; /*esp*/ + *(--stk) = 0; /*ebp*/ + *(--stk) = 0; /*esi*/ + *(--stk) = 0; /*edi*/ + + /* return task's current stack address */ + return (rt_uint8_t *)stk; +} +/*@}*/ |
