2020-04-16 16:10:57 +08:00
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/*
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2021-03-27 17:51:56 +08:00
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* Copyright (c) 2006-2021, RT-Thread Development Team
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2020-04-16 16:10:57 +08:00
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*
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* SPDX-License-Identifier: Apache-2.0
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2021-03-27 17:51:56 +08:00
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*
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2020-04-16 16:10:57 +08:00
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* Date Author Notes
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* 2018-10-06 ZhaoXiaowei the first version
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*/
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#include <rtthread.h>
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#include <rthw.h>
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#include "interrupt.h"
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#include "armv8.h"
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extern struct rt_thread *rt_current_thread;
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#ifdef RT_USING_FINSH
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extern long list_thread(void);
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#endif
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/**
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* this function will show registers of CPU
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*
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* @param regs the registers point
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*/
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void rt_hw_show_register(struct rt_hw_exp_stack *regs)
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{
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rt_kprintf("Execption:\n");
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rt_kprintf("r00:0x%16.16lx r01:0x%16.16lx r02:0x%16.16lx r03:0x%16.16lx\n", regs->x0, regs->x1, regs->x2, regs->x3);
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rt_kprintf("r04:0x%16.16lx r05:0x%16.16lx r06:0x%16.16lx r07:0x%16.16lx\n", regs->x4, regs->x5, regs->x6, regs->x7);
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2021-03-27 17:51:56 +08:00
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rt_kprintf("r08:0x%16.16lx r09:0x%16.16lx r10:0x%16.16lx r11:0x%16.16lx\n", regs->x8, regs->x9, regs->x10, regs->x11);
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rt_kprintf("r12:0x%16.16lx r13:0x%16.16lx r14:0x%16.16lx r15:0x%16.16lx\n", regs->x12, regs->x13, regs->x14, regs->x15);
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rt_kprintf("r16:0x%16.16lx r17:0x%16.16lx r18:0x%16.16lx r19:0x%16.16lx\n", regs->x16, regs->x17, regs->x18, regs->x19);
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rt_kprintf("r20:0x%16.16lx r21:0x%16.16lx r22:0x%16.16lx r23:0x%16.16lx\n", regs->x20, regs->x21, regs->x22, regs->x23);
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2020-04-16 16:10:57 +08:00
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rt_kprintf("r24:0x%16.16lx r25:0x%16.16lx r26:0x%16.16lx r27:0x%16.16lx\n", regs->x24, regs->x25, regs->x26, regs->x27);
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2021-03-27 17:51:56 +08:00
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rt_kprintf("r28:0x%16.16lx r29:0x%16.16lx r30:0x%16.16lx\n", regs->x28, regs->x29, regs->x30);
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rt_kprintf("spsr:0x%16.16lx\n", regs->spsr);
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rt_kprintf("return pc:0x%16.16lx\n", regs->pc);
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2020-04-16 16:10:57 +08:00
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}
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/**
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* When comes across an instruction which it cannot handle,
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* it takes the undefined instruction trap.
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*
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* @param regs system registers
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*
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* @note never invoke this function in application
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*/
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void rt_hw_trap_error(struct rt_hw_exp_stack *regs)
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{
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rt_kprintf("error exception:\n");
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rt_hw_show_register(regs);
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#ifdef RT_USING_FINSH
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list_thread();
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#endif
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rt_hw_cpu_shutdown();
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}
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#define GIC_ACK_INTID_MASK 0x000003ff
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int rt_hw_interrupt_get_irq(void);
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void rt_hw_interrupt_ack(int fiq_irq);
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void rt_hw_trap_irq(void)
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{
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void *param;
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2021-03-27 17:51:56 +08:00
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int ir;
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2020-04-16 16:10:57 +08:00
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rt_isr_handler_t isr_func;
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extern struct rt_irq_desc isr_table[];
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ir = rt_hw_interrupt_get_irq();
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if (ir == 1023)
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{
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/* Spurious interrupt */
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return;
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}
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/* get interrupt service routine */
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isr_func = isr_table[ir].handler;
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#ifdef RT_USING_INTERRUPT_INFO
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isr_table[ir].counter++;
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#endif
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if (isr_func)
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{
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/* Interrupt for myself. */
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param = isr_table[ir].param;
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/* turn to interrupt service routine */
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isr_func(ir, param);
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}
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/* end of interrupt */
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rt_hw_interrupt_ack(ir);
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}
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void rt_hw_trap_fiq(void)
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{
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}
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