提交 61d969f1 编写于 作者: D dzzxzz

merge stack.c and interrupt.c into cpuport.c

git-svn-id: https://rt-thread.googlecode.com/svn/trunk@1687 bbd45198-f89e-11dd-88c7-29a3b14d5316
上级 a4efc927
......@@ -14,7 +14,7 @@
*
* For : Renesas M16C
* Toolchain : IAR's EW for M16C v3.401
*/
*/
#include <rtthread.h>
#include "bsp.h"
......@@ -40,7 +40,7 @@ static void rt_thread_entry_led(void* parameter)
int rt_application_init(void)
{
/* create led thread */
rt_thread_init(&led,
rt_thread_init(&led,
"led",
rt_thread_entry_led, RT_NULL,
&led_stack[0], sizeof(led_stack),
......
......@@ -9,11 +9,11 @@
*
* Change Logs:
* Date Author Notes
* 2010-04-09 fify the first version
* 2010-04-09 fify the first version
*
* For : Renesas M16C
* Toolchain : IAR's EW for M16C v3.401
*/
*/
#include <rthw.h>
#include <rtthread.h>
......
......@@ -9,11 +9,11 @@
*
* Change Logs:
* Date Author Notes
* 2010-04-09 fify the first version
* 2010-04-09 fify the first version
*
* For : Renesas M16C
* Toolchain : IAR's EW for M16C v3.401
*/
*/
#include "iom16c62p.h"
#include "bsp.h"
......
......@@ -9,11 +9,11 @@
*
* Change Logs:
* Date Author Notes
* 2010-04-20 fify the first version
* 2010-04-20 fify the first version
*
* For : Renesas M16C
* Toolchain : IAR's EW for M16C v3.401
*/
*/
PUBLIC rt_hw_timer_handler
PUBLIC rt_hw_uart0_receive_handler
......
......@@ -207,7 +207,7 @@
</option>
<option>
<name>CCDiagSuppress</name>
<state></state>
<state>Pa050</state>
</option>
<option>
<name>CCDiagRemark</name>
......@@ -1945,10 +1945,7 @@
<name>$PROJ_DIR$\..\..\libcpu\m16c\m16c62p\context_iar.asm</name>
</file>
<file>
<name>$PROJ_DIR$\..\..\libcpu\m16c\m16c62p\interrupt.c</name>
</file>
<file>
<name>$PROJ_DIR$\..\..\libcpu\m16c\m16c62p\stack.c</name>
<name>$PROJ_DIR$\..\..\libcpu\m16c\m16c62p\cpuport.c</name>
</file>
</group>
</group>
......
......@@ -20,6 +20,7 @@
#include "board.h"
#include "bsp.h"
extern void rt_hw_interrupt_init(void);
extern int rt_application_init(void);
#ifdef RT_USING_FINSH
extern void finsh_system_init(void);
......@@ -37,6 +38,9 @@ extern void finsh_set_device(const char* device);
*/
void rtthread_startup(void)
{
/* init hardware interrupt */
rt_hw_interrupt_init();
/* init board */
rt_hw_board_init();
......@@ -54,7 +58,7 @@ void rtthread_startup(void)
#ifdef RT_USING_HEAP
#ifdef __ICCM16C__
rt_system_heap_init(__segment_begin("DATA16_HEAP"),__segment_end("DATA16_HEAP"));
rt_system_heap_init(__segment_begin("DATA16_HEAP"), __segment_end("DATA16_HEAP"));
#endif
#endif
......@@ -75,8 +79,8 @@ void rtthread_startup(void)
finsh_set_device("uart0");
#endif
/* init timer thread */
rt_system_timer_thread_init();
/* init timer thread */
rt_system_timer_thread_init();
/* init idle thread */
rt_thread_idle_init();
......@@ -94,7 +98,7 @@ int main(void)
rt_hw_interrupt_disable();
/* init system setting */
system_init();
system_init();
/* startup RT-Thread RTOS */
rtthread_startup();
......
......@@ -8,10 +8,10 @@
* http://www.rt-thread.org/license/LICENSE
*
* Change Logs:
* Date Author Notes
* Date Author Notes
* 2010-03-08 Bernard The first version for LPC17xx
* 2010-04-10 fify Modified for M16C
*/
* 2010-04-10 fify Modified for M16C
*/
#include <rthw.h>
#include <rtthread.h>
......
......@@ -9,11 +9,11 @@
*
* Change Logs:
* Date Author Notes
* 2010-04-09 fify the first version
* 2010-04-09 fify the first version
*
* For : Renesas M16C
* Toolchain : IAR's EW for M16C v3.401
*/
*/
;********************************************************************************************************
; RELOCATABLE EXCEPTION VECTOR TABLE
......
......@@ -15,7 +15,7 @@
*
* For : Renesas M16C
* Toolchain : IAR's EW for M16C v3.401
*/
*/
RSEG CSTACK
......
/*
* File : cpuport.c
* This file is part of RT-Thread RTOS
* COPYRIGHT (C) 2009 - 2011, 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://www.rt-thread.org/license/LICENSE
*
* Change Logs:
* Date Author Notes
* 2011-02-23 Bernard the first version
*/
#include <rtthread.h>
extern volatile rt_uint8_t rt_interrupt_nest;
/* switch flag on interrupt and thread pointer to save switch record */
rt_uint32_t rt_interrupt_from_thread;
rt_uint32_t rt_interrupt_to_thread;
rt_uint32_t rt_thread_switch_interrput_flag;
/**
* This function will initialize hardware interrupt
*/
void rt_hw_interrupt_init(void)
{
/* init interrupt nest, and context in thread sp */
rt_interrupt_nest = 0;
rt_interrupt_from_thread = 0;
rt_interrupt_to_thread = 0;
rt_thread_switch_interrput_flag = 0;
}
/**
* 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)
{
rt_uint16_t *pstk16;
rt_uint16_t flag;
flag = 0x0040;
pstk16 = (rt_uint16_t *)stack_addr;
pstk16--;
/* Simulate ISR entry */
*pstk16-- = (flag&0x00FF) /* ... The lowest byte of the FLAG register */
| (((rt_uint32_t)tentry>>8)&0x00000F00) /* ... The highest nibble of the PC register */
| ((flag<<4)&0xF000); /* ... The highest nibble of the FLAG register */
*pstk16-- = (((rt_uint32_t)tentry)&0x0000FFFF); /* ... The lowest bytes of the PC register */
/* Save registers onto stack frame */
*pstk16-- = (rt_uint16_t)0xFBFB; /* ... FB register */
*pstk16-- = (rt_uint16_t)0x3B3B; /* ... SB register */
*pstk16-- = (rt_uint16_t)0xA1A1; /* ... A1 register */
*pstk16-- = (rt_uint16_t)0xA0A0; /* ... A0 register */
*pstk16-- = (rt_uint16_t)0x3333; /* ... R3 register */
*pstk16-- = (rt_uint32_t)parameter >> 16L; /* ... Pass argument in R2 register */
*pstk16-- = (rt_uint32_t)parameter & 0x0000FFFFL; /* ... Pass argument in R1 register */
*pstk16 = (rt_uint16_t)0x0000; /* ... R0 register */
/* return task's current stack address */
return (rt_uint8_t *)pstk16;
}
/*
* File : interrupt.c
* This file is part of RT-Thread RTOS
* COPYRIGHT (C) 2009, 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://www.rt-thread.org/license/LICENSE
*
* Change Logs:
* Date Author Notes
* 2010-04-09 fify the first version
*
* For : Renesas M16C
* Toolchain : IAR's EW for M16C v3.401
*/
#include <rtthread.h>
rt_uint16_t rt_interrupt_from_thread;
rt_uint16_t rt_interrupt_to_thread;
rt_uint16_t rt_thread_switch_interrput_flag;
\ No newline at end of file
/*
* File : stack.c
* This file is part of RT-Thread RTOS
* COPYRIGHT (C) 2009, 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://www.rt-thread.org/license/LICENSE
*
* Change Logs:
* Date Author Notes
* 2010-04-09 fify the first version
*
* For : Renesas M16C
* Toolchain : IAR's EW for M16C v3.401
*/
#include <rtthread.h>
/**
* 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)
{
rt_uint16_t *pstk16;
rt_uint16_t flag;
flag = 0x0040;
pstk16 = (rt_uint16_t *)stack_addr;
pstk16--;
/* Simulate ISR entry */
*pstk16-- = (flag & 0x00FF) /* ... The lowest byte of the FLAG register */
| (((rt_uint32_t)tentry >> 8) & 0x00000F00) /* ... The highest nibble of the PC register */
| ((flag << 4) & 0xF000); /* ... The highest nibble of the FLAG register */
*pstk16-- = (((rt_uint32_t)tentry ) & 0x0000FFFF); /* ... The lowest bytes of the PC register */
/* Save registers onto stack frame */
*pstk16-- = (rt_uint16_t)0xFBFB; /* ... FB register */
*pstk16-- = (rt_uint16_t)0x3B3B; /* ... SB register */
*pstk16-- = (rt_uint16_t)0xA1A1; /* ... A1 register */
*pstk16-- = (rt_uint16_t)0xA0A0; /* ... A0 register */
*pstk16-- = (rt_uint16_t)0x3333; /* ... R3 register */
*pstk16-- = (rt_uint32_t)parameter >> 16L; /* ... Pass argument in R2 register */
*pstk16-- = (rt_uint32_t)parameter & 0x0000FFFFL; /* ... Pass argument in R1 register */
*pstk16 = (rt_uint16_t)0x0000; /* ... R0 register */
/* return task's current stack address */
return (rt_uint8_t *)pstk16;
}
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