如何根据异常打印的信息回到事发现场

只看该作者 · 2014-12-19 15:13

打印的信息如下：
r00: 0x2000dde8
r01: 0x10000000
r02: 0xf0000000
r03: 0x00000020
r04: 0x68003b90
r05: 0x2000161c
r06: 0x68005740
r07: 0x00000000
r08: 0x00000000
r09: 0x00000002
r10: 0x20001520
r11: 0x68005740
r12: 0x0801ce09
lr: 0x080160cb
pc: 0x080160ca
hard fault on thread: mp3

thread  pri  status    sp    stack size max used left tick  error
-------- ---- ------- ---------- ---------- ---------- ---------- ---
mp3    0x11 ready 0x00000044 0x00001000 0x0000039c 0x00000020 000
tcpip 0x0c suspend 0x000000dc 0x00001000 0x00000144 0x00000012 000
tshell 0x14 suspend 0x0000008c 0x00001800 0x00000094 0x0000x    00
etx    0x0e suspend 0x00000090 0x00000200 0x00000090 0x00000010 000
erx    0x0e suspend 0x00000094 0x00000200 0x00000094 0x00000010 000
tidle 0x1f ready 0x00000044 0x00000200 0x0000005c 0x0000000a 000
udpserve 0x14 suspend 0x000001d0 0x00000800 0x000001d0 0x00000005 000
led    0x13 ready 0x00000090 0x00000800 0x00000090 0x00000005 -02
key    0x12 ready 0x00000078 0x00000100 0x00000078 0x00000005 -02
init    0x0a close 0x00000068 0x00001000 0x000003a8 0x0000000d 000
bus fault:
SCB_CFSR_BFSR:0x82 PRECISERR SCB->BFAR:68003BB0

只看该作者 · 2014-12-19 15:14

自顶，求助！

只看该作者 · 2014-12-19 15:16

void rt_hw_hard_fault_exception(struct exception_info * exception_info)
{
extern long list_thread(void);
extern int cpuportssockfd;
extern unsigned char flag_net_ready;
struct stack_frame* context = &exception_info->stack_frame;

if (rt_exception_hook != RT_NULL)
{
      rt_err_t result;

      result = rt_exception_hook(exception_info);
      if (result == RT_EOK)
         return;
}

rt_kprintf("psr: 0x%08x\n", context->exception_stack_frame.psr);

rt_kprintf("r00: 0x%08x\n", context->exception_stack_frame.r0);
rt_kprintf("r01: 0x%08x\n", context->exception_stack_frame.r1);
rt_kprintf("r02: 0x%08x\n", context->exception_stack_frame.r2);
rt_kprintf("r03: 0x%08x\n", context->exception_stack_frame.r3);
rt_kprintf("r04: 0x%08x\n", context->r4);
rt_kprintf("r05: 0x%08x\n", context->r5);
rt_kprintf("r06: 0x%08x\n", context->r6);
rt_kprintf("r07: 0x%08x\n", context->r7);
rt_kprintf("r08: 0x%08x\n", context->r8);
rt_kprintf("r09: 0x%08x\n", context->r9);
rt_kprintf("r10: 0x%08x\n", context->r10);
rt_kprintf("r11: 0x%08x\n", context->r11);
rt_kprintf("r12: 0x%08x\n", context->exception_stack_frame.r12);
rt_kprintf(" lr: 0x%08x\n", context->exception_stack_frame.lr);
rt_kprintf(" pc: 0x%08x\n", context->exception_stack_frame.pc);

if(exception_info->exc_return & (1 << 2) )
{
      rt_kprintf("hard fault on thread: %s\r\n\r\n", rt_thread_self()->name);

#ifdef RT_USING_FINSH
      list_thread();
#endif /* RT_USING_FINSH */
}
else
{
      rt_kprintf("hard fault on handler\r\n\r\n");
}

#ifdef RT_USING_FINSH
hard_fault_track();
#endif /* RT_USING_FINSH */
while (1);
}
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