208 lines
4.7 KiB
C
208 lines
4.7 KiB
C
/*
|
|
* Copyright (c) 2006-2018, RT-Thread Development Team
|
|
*
|
|
* SPDX-License-Identifier: Apache-2.0
|
|
*
|
|
* Change Logs:
|
|
* Date Author Notes
|
|
* 2011-01-13 weety modified from mini2440
|
|
* 2015-04-15 ArdaFu Split from AT91SAM9260 BSP
|
|
*/
|
|
|
|
#include <rtthread.h>
|
|
#include <rthw.h>
|
|
|
|
#define INT_IRQ 0x00
|
|
#define INT_FIQ 0x01
|
|
|
|
extern struct rt_thread *rt_current_thread;
|
|
#ifdef RT_USING_FINSH
|
|
extern long list_thread(void);
|
|
#endif
|
|
|
|
struct rt_hw_register
|
|
{
|
|
rt_uint32_t r0;
|
|
rt_uint32_t r1;
|
|
rt_uint32_t r2;
|
|
rt_uint32_t r3;
|
|
rt_uint32_t r4;
|
|
rt_uint32_t r5;
|
|
rt_uint32_t r6;
|
|
rt_uint32_t r7;
|
|
rt_uint32_t r8;
|
|
rt_uint32_t r9;
|
|
rt_uint32_t r10;
|
|
rt_uint32_t fp;
|
|
rt_uint32_t ip;
|
|
rt_uint32_t sp;
|
|
rt_uint32_t lr;
|
|
rt_uint32_t pc;
|
|
rt_uint32_t cpsr;
|
|
rt_uint32_t ORIG_r0;
|
|
};
|
|
|
|
/**
|
|
* 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_hw_show_register(regs);
|
|
|
|
rt_kprintf("undefined instruction\n");
|
|
rt_kprintf("thread - %s stack:\n", rt_current_thread->name);
|
|
|
|
#ifdef RT_USING_FINSH
|
|
list_thread();
|
|
#endif
|
|
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_hw_show_register(regs);
|
|
|
|
rt_kprintf("software interrupt\n");
|
|
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_hw_show_register(regs);
|
|
|
|
rt_kprintf("prefetch abort\n");
|
|
rt_kprintf("thread - %s stack:\n", RT_NAME_MAX, rt_current_thread->name);
|
|
|
|
#ifdef RT_USING_FINSH
|
|
list_thread();
|
|
#endif
|
|
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_hw_show_register(regs);
|
|
|
|
rt_kprintf("data abort\n");
|
|
rt_kprintf("thread - %s stack:\n", RT_NAME_MAX, rt_current_thread->name);
|
|
|
|
#ifdef RT_USING_FINSH
|
|
list_thread();
|
|
#endif
|
|
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);
|
|
rt_hw_cpu_shutdown();
|
|
}
|
|
|
|
extern struct rt_irq_desc irq_desc[];
|
|
extern rt_uint32_t rt_hw_interrupt_get_active(rt_uint32_t fiq_irq);
|
|
extern void rt_hw_interrupt_ack(rt_uint32_t fiq_irq, rt_uint32_t id);
|
|
|
|
void rt_hw_trap_irq()
|
|
{
|
|
rt_isr_handler_t isr_func;
|
|
rt_uint32_t irq;
|
|
void *param;
|
|
|
|
/* get irq number */
|
|
irq = rt_hw_interrupt_get_active(INT_IRQ);
|
|
|
|
/* get interrupt service routine */
|
|
isr_func = irq_desc[irq].handler;
|
|
param = irq_desc[irq].param;
|
|
|
|
/* turn to interrupt service routine */
|
|
isr_func(irq, param);
|
|
|
|
rt_hw_interrupt_ack(INT_IRQ, irq);
|
|
#ifdef RT_USING_INTERRUPT_INFO
|
|
irq_desc[irq].counter ++;
|
|
#endif
|
|
}
|
|
|
|
void rt_hw_trap_fiq()
|
|
{
|
|
rt_isr_handler_t isr_func;
|
|
rt_uint32_t irq;
|
|
void *param;
|
|
|
|
/* get irq number */
|
|
irq = rt_hw_interrupt_get_active(INT_FIQ);
|
|
|
|
/* get interrupt service routine */
|
|
isr_func = irq_desc[irq].handler;
|
|
param = irq_desc[irq].param;
|
|
|
|
/* turn to interrupt service routine */
|
|
isr_func(irq, param);
|
|
|
|
rt_hw_interrupt_ack(INT_FIQ, irq);
|
|
#ifdef RT_USING_INTERRUPT_INFO
|
|
irq_desc[irq].counter ++;
|
|
#endif
|
|
}
|