151 lines
3.9 KiB
C
151 lines
3.9 KiB
C
/*
|
|
* File : trap.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
|
|
* 2008-12-11 XuXinming first version
|
|
* 2013-05-24 Grissiom port to RM48x50
|
|
*/
|
|
|
|
#include <rtthread.h>
|
|
#include <rthw.h>
|
|
#include "RM48x50.h"
|
|
//#define BSP_INT_DEBUG
|
|
|
|
/**
|
|
* @addtogroup RM48x50
|
|
*/
|
|
/*@{*/
|
|
|
|
/**
|
|
* this function will show registers of CPU
|
|
*
|
|
* @param regs the registers point
|
|
*/
|
|
void rt_hw_show_register (struct rt_hw_register *regs)
|
|
{
|
|
rt_kprintf("Execption:\n");
|
|
rt_kprintf("r00:0x%08x r01:0x%08x r02:0x%08x r03:0x%08x\n", regs->r0, regs->r1, regs->r2, regs->r3);
|
|
rt_kprintf("r04:0x%08x r05:0x%08x r06:0x%08x r07:0x%08x\n", regs->r4, regs->r5, regs->r6, regs->r7);
|
|
rt_kprintf("r08:0x%08x r09:0x%08x r10:0x%08x\n", regs->r8, regs->r9, regs->r10);
|
|
rt_kprintf("fp :0x%08x ip :0x%08x\n", regs->fp, regs->ip);
|
|
rt_kprintf("sp :0x%08x lr :0x%08x pc :0x%08x\n", regs->sp, regs->lr, regs->pc);
|
|
rt_kprintf("cpsr:0x%08x\n", regs->cpsr);
|
|
}
|
|
|
|
/**
|
|
* When ARM7TDMI comes across an instruction which it cannot handle,
|
|
* it takes the undefined instruction trap.
|
|
*
|
|
* @param regs system registers
|
|
*
|
|
* @note never invoke this function in application
|
|
*/
|
|
void rt_hw_trap_udef(struct rt_hw_register *regs)
|
|
{
|
|
rt_kprintf("undefined instruction\n");
|
|
rt_hw_show_register(regs);
|
|
if (rt_thread_self() != RT_NULL)
|
|
rt_kprintf("Current Thread: %s\n", rt_thread_self()->name);
|
|
rt_hw_cpu_shutdown();
|
|
}
|
|
|
|
/**
|
|
* The software interrupt instruction (SWI) is used for entering
|
|
* Supervisor mode, usually to request a particular supervisor
|
|
* function.
|
|
*
|
|
* @param regs system registers
|
|
*
|
|
* @note never invoke this function in application
|
|
*/
|
|
void rt_hw_trap_swi(struct rt_hw_register *regs)
|
|
{
|
|
rt_kprintf("software interrupt\n");
|
|
rt_hw_show_register(regs);
|
|
if (rt_thread_self() != RT_NULL)
|
|
rt_kprintf("Current Thread: %s\n", rt_thread_self()->name);
|
|
rt_hw_cpu_shutdown();
|
|
}
|
|
|
|
/**
|
|
* An abort indicates that the current memory access cannot be completed,
|
|
* which occurs during an instruction prefetch.
|
|
*
|
|
* @param regs system registers
|
|
*
|
|
* @note never invoke this function in application
|
|
*/
|
|
void rt_hw_trap_pabt(struct rt_hw_register *regs)
|
|
{
|
|
rt_kprintf("prefetch abort\n");
|
|
rt_hw_show_register(regs);
|
|
if (rt_thread_self() != RT_NULL)
|
|
rt_kprintf("Current Thread: %s\n", rt_thread_self()->name);
|
|
rt_hw_cpu_shutdown();
|
|
}
|
|
|
|
/**
|
|
* An abort indicates that the current memory access cannot be completed,
|
|
* which occurs during a data access.
|
|
*
|
|
* @param regs system registers
|
|
*
|
|
* @note never invoke this function in application
|
|
*/
|
|
void rt_hw_trap_dabt(struct rt_hw_register *regs)
|
|
{
|
|
rt_kprintf("Data Abort ");
|
|
rt_hw_show_register(regs);
|
|
if (rt_thread_self() != RT_NULL)
|
|
rt_kprintf("Current Thread: %s\n", rt_thread_self()->name);
|
|
rt_hw_cpu_shutdown();
|
|
}
|
|
|
|
/**
|
|
* Normally, system will never reach here
|
|
*
|
|
* @param regs system registers
|
|
*
|
|
* @note never invoke this function in application
|
|
*/
|
|
void rt_hw_trap_resv(struct rt_hw_register *regs)
|
|
{
|
|
rt_kprintf("not used\n");
|
|
rt_hw_show_register(regs);
|
|
if (rt_thread_self() != RT_NULL)
|
|
rt_kprintf("Current Thread: %s\n", rt_thread_self()->name);
|
|
rt_hw_cpu_shutdown();
|
|
}
|
|
|
|
/*
|
|
*#pragma CODE_STATE(rt_hw_trap_irq, 32)
|
|
*#pragma INTERRUPT(rt_hw_trap_irq, IRQ)
|
|
*/
|
|
extern rt_isr_handler_t isr_table[];
|
|
void rt_hw_trap_irq(void)
|
|
{
|
|
int irqno;
|
|
struct rt_irq_desc* irq;
|
|
extern struct rt_irq_desc irq_desc[];
|
|
|
|
irq = (struct rt_irq_desc*) vimREG->IRQVECREG;
|
|
irqno = ((rt_uint32_t) irq - (rt_uint32_t) &irq_desc[0])/sizeof(struct rt_irq_desc);
|
|
|
|
/* invoke isr */
|
|
irq->handler(irqno, irq->param);
|
|
}
|
|
|
|
void rt_hw_trap_fiq(void)
|
|
{
|
|
rt_kprintf("fast interrupt request\n");
|
|
}
|
|
|
|
/*@}*/
|