2011-06-15 08:30:35 +08:00
|
|
|
/*
|
|
|
|
|
* 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
|
|
|
|
|
* 2006-08-23 Bernard the first version
|
|
|
|
|
* 2011-06-03 Bernard merge all of C source code into cpuport.c
|
|
|
|
|
*/
|
|
|
|
|
#include <rtthread.h>
|
|
|
|
|
|
|
|
|
|
/* exception and interrupt handler table */
|
|
|
|
|
rt_uint32_t rt_interrupt_from_thread, rt_interrupt_to_thread;
|
2011-09-19 12:40:50 +08:00
|
|
|
rt_uint32_t rt_thread_switch_interrupt_flag;
|
2011-06-15 08:30:35 +08:00
|
|
|
|
|
|
|
|
struct stack_contex
|
|
|
|
|
{
|
|
|
|
|
rt_uint32_t r0;
|
|
|
|
|
rt_uint32_t r1;
|
|
|
|
|
rt_uint32_t r2;
|
|
|
|
|
rt_uint32_t r3;
|
|
|
|
|
rt_uint32_t r12;
|
|
|
|
|
rt_uint32_t lr;
|
|
|
|
|
rt_uint32_t pc;
|
|
|
|
|
rt_uint32_t psr;
|
|
|
|
|
};
|
|
|
|
|
|
|
|
|
|
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) = 0x01000000L; /* PSR */
|
|
|
|
|
*(--stk) = (unsigned long)tentry; /* entry point, pc */
|
|
|
|
|
*(--stk) = (unsigned long)texit; /* lr */
|
|
|
|
|
*(--stk) = 0; /* r12 */
|
|
|
|
|
*(--stk) = 0; /* r3 */
|
|
|
|
|
*(--stk) = 0; /* r2 */
|
|
|
|
|
*(--stk) = 0; /* r1 */
|
|
|
|
|
*(--stk) = (unsigned long)parameter; /* r0 : argument */
|
|
|
|
|
|
|
|
|
|
*(--stk) = 0; /* r11 */
|
|
|
|
|
*(--stk) = 0; /* r10 */
|
|
|
|
|
*(--stk) = 0; /* r9 */
|
|
|
|
|
*(--stk) = 0; /* r8 */
|
|
|
|
|
*(--stk) = 0; /* r7 */
|
|
|
|
|
*(--stk) = 0; /* r6 */
|
|
|
|
|
*(--stk) = 0; /* r5 */
|
|
|
|
|
*(--stk) = 0; /* r4 */
|
|
|
|
|
|
|
|
|
|
/* return task's current stack address */
|
|
|
|
|
return (rt_uint8_t *)stk;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
extern void rt_hw_interrupt_thread_switch(void);
|
|
|
|
|
extern void list_thread(void);
|
|
|
|
|
extern rt_thread_t rt_current_thread;
|
|
|
|
|
void rt_hw_hard_fault_exception(struct stack_contex* contex)
|
|
|
|
|
{
|
|
|
|
|
rt_kprintf("psr: 0x%08x\n", contex->psr);
|
|
|
|
|
rt_kprintf(" pc: 0x%08x\n", contex->pc);
|
|
|
|
|
rt_kprintf(" lr: 0x%08x\n", contex->lr);
|
|
|
|
|
rt_kprintf("r12: 0x%08x\n", contex->r12);
|
|
|
|
|
rt_kprintf("r03: 0x%08x\n", contex->r3);
|
|
|
|
|
rt_kprintf("r02: 0x%08x\n", contex->r2);
|
|
|
|
|
rt_kprintf("r01: 0x%08x\n", contex->r1);
|
|
|
|
|
rt_kprintf("r00: 0x%08x\n", contex->r0);
|
|
|
|
|
|
|
|
|
|
rt_kprintf("hard fault on thread: %s\n", rt_current_thread->name);
|
|
|
|
|
#ifdef RT_USING_FINSH
|
|
|
|
|
list_thread();
|
|
|
|
|
#endif
|
|
|
|
|
while (1);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
void rt_hw_cpu_shutdown()
|
|
|
|
|
{
|
|
|
|
|
rt_kprintf("shutdown...\n");
|
|
|
|
|
|
|
|
|
|
RT_ASSERT(0);
|
|
|
|
|
}
|
