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RT-Thread_v4.1.1

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jonas
2024-10-29 17:12:18 +08:00
parent 78a3c39ba3
commit 0924efffd0
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180
libcpu/arm/zynqmp-r5/trap.c Normal file
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/*
* Copyright (c) 2006-2021, RT-Thread Development Team
*
* SPDX-License-Identifier: Apache-2.0
*
* Change Logs:
* Date Author Notes
* 2013-07-20 Bernard first version
* 2020-11-24 WangHuachen porting to zynqmp-r5
*/
#include <rtthread.h>
#include <rthw.h>
#include <board.h>
#include "armv7.h"
#include "interrupt.h"
#if defined(RT_USING_FINSH) && defined(MSH_USING_BUILT_IN_COMMANDS)
extern long list_thread(void);
#endif
/**
* this function will show registers of CPU
*
* @param regs the registers point
*/
void rt_hw_show_register (struct rt_hw_exp_stack *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 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_undef(struct rt_hw_exp_stack *regs)
{
rt_kprintf("undefined instruction:\n");
rt_hw_show_register(regs);
#if defined(RT_USING_FINSH) && defined(MSH_USING_BUILT_IN_COMMANDS)
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_exp_stack *regs)
{
rt_kprintf("software interrupt:\n");
rt_hw_show_register(regs);
#if defined(RT_USING_FINSH) && defined(MSH_USING_BUILT_IN_COMMANDS)
list_thread();
#endif
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_exp_stack *regs)
{
rt_kprintf("prefetch abort:\n");
rt_hw_show_register(regs);
#if defined(RT_USING_FINSH) && defined(MSH_USING_BUILT_IN_COMMANDS)
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_exp_stack *regs)
{
rt_kprintf("data abort:");
rt_hw_show_register(regs);
#if defined(RT_USING_FINSH) && defined(MSH_USING_BUILT_IN_COMMANDS)
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_exp_stack *regs)
{
rt_kprintf("reserved trap:\n");
rt_hw_show_register(regs);
#if defined(RT_USING_FINSH) && defined(MSH_USING_BUILT_IN_COMMANDS)
list_thread();
#endif
rt_hw_cpu_shutdown();
}
void rt_hw_trap_irq(void)
{
void *param;
int ir;
rt_isr_handler_t isr_func;
extern struct rt_irq_desc isr_table[];
ir = rt_hw_interrupt_get_irq();
if (ir == 1023)
{
/* Spurious interrupt */
return;
}
/* get interrupt service routine */
isr_func = isr_table[ir].handler;
#ifdef RT_USING_INTERRUPT_INFO
isr_table[ir].counter++;
#endif
if (isr_func)
{
/* Interrupt for myself. */
param = isr_table[ir].param;
/* turn to interrupt service routine */
isr_func(ir, param);
}
/* end of interrupt */
rt_hw_interrupt_ack(ir);
}
void rt_hw_trap_fiq(void)
{
void *param;
int ir;
rt_isr_handler_t isr_func;
extern struct rt_irq_desc isr_table[];
ir = rt_hw_interrupt_get_irq();
/* get interrupt service routine */
isr_func = isr_table[ir].handler;
param = isr_table[ir].param;
/* turn to interrupt service routine */
isr_func(ir, param);
/* end of interrupt */
rt_hw_interrupt_ack(ir);
}