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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
This commit is contained in:
dzzxzz 2011-09-01 08:05:21 +00:00
parent a4efc927e2
commit 61d969f1b9
12 changed files with 97 additions and 104 deletions
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2
bsp/m16c62p/application.c
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@ -14,7 +14,7 @@
*
* For : Renesas M16C
* Toolchain : IAR's EW for M16C v3.401
*/
*/
#include <rtthread.h>
#include "bsp.h"

2
bsp/m16c62p/board.c
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@ -13,7 +13,7 @@
*
* For : Renesas M16C
* Toolchain : IAR's EW for M16C v3.401
*/
*/
#include <rthw.h>
#include <rtthread.h>

2
bsp/m16c62p/bsp.c
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@ -13,7 +13,7 @@
*
* For : Renesas M16C
* Toolchain : IAR's EW for M16C v3.401
*/
*/
#include "iom16c62p.h"
#include "bsp.h"

2
bsp/m16c62p/interrupts.asm
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@ -13,7 +13,7 @@
*
* For : Renesas M16C
* Toolchain : IAR's EW for M16C v3.401
*/
*/
PUBLIC rt_hw_timer_handler
PUBLIC rt_hw_uart0_receive_handler

7
bsp/m16c62p/rtt2m16c.ewp
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@ -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>

6
bsp/m16c62p/startup.c
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@ -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

2
bsp/m16c62p/uart.c
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@ -11,7 +11,7 @@
* Date Author Notes
* 2010-03-08 Bernard The first version for LPC17xx
* 2010-04-10 fify Modified for M16C
*/
*/
#include <rthw.h>
#include <rtthread.h>

2
bsp/m16c62p/vectors.asm
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@ -13,7 +13,7 @@
*
* For : Renesas M16C
* Toolchain : IAR's EW for M16C v3.401
*/
*/
;********************************************************************************************************
; RELOCATABLE EXCEPTION VECTOR TABLE

2
libcpu/m16c/m16c62p/context_iar.asm
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@ -15,7 +15,7 @@
*
* For : Renesas M16C
* Toolchain : IAR's EW for M16C v3.401
*/
*/
RSEG CSTACK

73
libcpu/m16c/m16c62p/cpuport.c Normal file
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@ -0,0 +1,73 @@
/*
* 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;
}

22
libcpu/m16c/m16c62p/interrupt.c
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@ -1,22 +0,0 @@
/*
* 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;

59
libcpu/m16c/m16c62p/stack.c
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@ -1,59 +0,0 @@
/*
* 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;
}