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178 lines
7.3 KiB
178 lines
7.3 KiB
5 months ago
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/*
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* Copyright (c) 2006-2024, RT-Thread Development Team
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*
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* SPDX-License-Identifier: Apache-2.0
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*
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* Change Logs:
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* Date Author Notes
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* 2024/01/11 flyingcys The first version
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*/
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#include <rtthread.h>
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#include <encoding.h>
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struct exception_stack_frame
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{
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uint64_t x1;
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uint64_t x2;
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uint64_t x3;
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uint64_t x4;
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uint64_t x5;
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uint64_t x6;
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uint64_t x7;
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uint64_t x8;
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uint64_t x9;
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uint64_t x10;
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uint64_t x11;
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uint64_t x12;
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uint64_t x13;
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uint64_t x14;
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uint64_t x15;
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uint64_t x16;
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uint64_t x17;
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uint64_t x18;
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uint64_t x19;
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uint64_t x20;
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uint64_t x21;
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uint64_t x22;
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uint64_t x23;
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uint64_t x24;
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uint64_t x25;
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uint64_t x26;
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uint64_t x27;
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uint64_t x28;
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uint64_t x29;
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uint64_t x30;
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uint64_t x31;
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};
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static void print_stack_frame(uintptr_t * sp)
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{
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struct exception_stack_frame * esf = (struct exception_stack_frame *)(sp+1);
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rt_kprintf("\n=================================================================\n");
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rt_kprintf("x1 (ra : Return address ) ==> 0x%08x%08x\n", esf->x1 >> 32 , esf->x1 & UINT32_MAX);
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rt_kprintf("x2 (sp : Stack pointer ) ==> 0x%08x%08x\n", esf->x2 >> 32 , esf->x2 & UINT32_MAX);
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rt_kprintf("x3 (gp : Global pointer ) ==> 0x%08x%08x\n", esf->x3 >> 32 , esf->x3 & UINT32_MAX);
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rt_kprintf("x4 (tp : Thread pointer ) ==> 0x%08x%08x\n", esf->x4 >> 32 , esf->x4 & UINT32_MAX);
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rt_kprintf("x5 (t0 : Temporary ) ==> 0x%08x%08x\n", esf->x5 >> 32 , esf->x5 & UINT32_MAX);
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rt_kprintf("x6 (t1 : Temporary ) ==> 0x%08x%08x\n", esf->x6 >> 32 , esf->x6 & UINT32_MAX);
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rt_kprintf("x7 (t2 : Temporary ) ==> 0x%08x%08x\n", esf->x7 >> 32 , esf->x7 & UINT32_MAX);
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rt_kprintf("x8 (s0/fp: Save register,frame pointer ) ==> 0x%08x%08x\n", esf->x8 >> 32 , esf->x8 & UINT32_MAX);
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rt_kprintf("x9 (s1 : Save register ) ==> 0x%08x%08x\n", esf->x9 >> 32 , esf->x9 & UINT32_MAX);
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rt_kprintf("x10(a0 : Function argument,return value) ==> 0x%08x%08x\n", esf->x10 >> 32 , esf->x10 & UINT32_MAX);
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rt_kprintf("x11(a1 : Function argument,return value) ==> 0x%08x%08x\n", esf->x11 >> 32 , esf->x11 & UINT32_MAX);
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rt_kprintf("x12(a2 : Function argument ) ==> 0x%08x%08x\n", esf->x12 >> 32 , esf->x12 & UINT32_MAX);
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rt_kprintf("x13(a3 : Function argument ) ==> 0x%08x%08x\n", esf->x13 >> 32 , esf->x13 & UINT32_MAX);
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rt_kprintf("x14(a4 : Function argument ) ==> 0x%08x%08x\n", esf->x14 >> 32 , esf->x14 & UINT32_MAX);
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rt_kprintf("x15(a5 : Function argument ) ==> 0x%08x%08x\n", esf->x15 >> 32 , esf->x15 & UINT32_MAX);
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rt_kprintf("x16(a6 : Function argument ) ==> 0x%08x%08x\n", esf->x16 >> 32 , esf->x16 & UINT32_MAX);
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rt_kprintf("x17(a7 : Function argument ) ==> 0x%08x%08x\n", esf->x17 >> 32 , esf->x17 & UINT32_MAX);
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rt_kprintf("x18(s2 : Save register ) ==> 0x%08x%08x\n", esf->x18 >> 32 , esf->x18 & UINT32_MAX);
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rt_kprintf("x19(s3 : Save register ) ==> 0x%08x%08x\n", esf->x19 >> 32 , esf->x19 & UINT32_MAX);
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rt_kprintf("x20(s4 : Save register ) ==> 0x%08x%08x\n", esf->x20 >> 32 , esf->x20 & UINT32_MAX);
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rt_kprintf("x21(s5 : Save register ) ==> 0x%08x%08x\n", esf->x21 >> 32 , esf->x21 & UINT32_MAX);
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rt_kprintf("x22(s6 : Save register ) ==> 0x%08x%08x\n", esf->x22 >> 32 , esf->x22 & UINT32_MAX);
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rt_kprintf("x23(s7 : Save register ) ==> 0x%08x%08x\n", esf->x23 >> 32 , esf->x23 & UINT32_MAX);
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rt_kprintf("x24(s8 : Save register ) ==> 0x%08x%08x\n", esf->x24 >> 32 , esf->x24 & UINT32_MAX);
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rt_kprintf("x25(s9 : Save register ) ==> 0x%08x%08x\n", esf->x25 >> 32 , esf->x25 & UINT32_MAX);
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rt_kprintf("x26(s10 : Save register ) ==> 0x%08x%08x\n", esf->x26 >> 32 , esf->x26 & UINT32_MAX);
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rt_kprintf("x27(s11 : Save register ) ==> 0x%08x%08x\n", esf->x27 >> 32 , esf->x27 & UINT32_MAX);
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rt_kprintf("x28(t3 : Temporary ) ==> 0x%08x%08x\n", esf->x28 >> 32 , esf->x28 & UINT32_MAX);
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rt_kprintf("x29(t4 : Temporary ) ==> 0x%08x%08x\n", esf->x29 >> 32 , esf->x29 & UINT32_MAX);
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rt_kprintf("x30(t5 : Temporary ) ==> 0x%08x%08x\n", esf->x30 >> 32 , esf->x30 & UINT32_MAX);
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rt_kprintf("x31(t6 : Temporary ) ==> 0x%08x%08x\n", esf->x31 >> 32 , esf->x31 & UINT32_MAX);
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rt_kprintf("=================================================================\n");
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}
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rt_weak void rt_hw_soft_irq_isr(void)
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{
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}
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rt_weak rt_size_t handle_trap(rt_size_t cause, rt_size_t epc, rt_size_t *sp)
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{
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if (cause & (1UL << (__riscv_xlen - 1))) //interrupt
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{
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if ((cause & 0x1f) == IRQ_M_SOFT)
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{
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rt_hw_soft_irq_isr();
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}
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else if ((cause & 0x1f) == IRQ_M_TIMER)
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{
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rt_hw_tick_isr();
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}
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else if ((cause & 0x1f) == IRQ_M_EXT)
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{
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rt_hw_irq_isr();
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}
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}
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else
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{
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rt_thread_t tid;
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#if defined(RT_USING_FINSH) && defined(MSH_USING_BUILT_IN_COMMANDS)
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extern long list_thread();
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#endif
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rt_hw_interrupt_disable();
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tid = rt_thread_self();
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rt_kprintf("\nException:\n");
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switch (cause)
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{
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case CAUSE_MISALIGNED_FETCH:
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rt_kprintf("Instruction address misaligned");
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break;
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case CAUSE_FAULT_FETCH:
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rt_kprintf("Instruction access fault");
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break;
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case CAUSE_ILLEGAL_INSTRUCTION:
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rt_kprintf("Illegal instruction");
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break;
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case CAUSE_BREAKPOINT:
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rt_kprintf("Breakpoint");
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break;
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case CAUSE_MISALIGNED_LOAD:
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rt_kprintf("Load address misaligned");
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break;
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case CAUSE_FAULT_LOAD:
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rt_kprintf("Load access fault");
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break;
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case CAUSE_MISALIGNED_STORE:
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rt_kprintf("Store address misaligned");
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break;
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case CAUSE_FAULT_STORE:
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rt_kprintf("Store access fault");
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break;
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case CAUSE_USER_ECALL:
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rt_kprintf("Environment call from U-mode");
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break;
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case CAUSE_SUPERVISOR_ECALL:
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rt_kprintf("Environment call from S-mode");
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break;
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case CAUSE_HYPERVISOR_ECALL:
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rt_kprintf("Environment call from H-mode");
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break;
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case CAUSE_MACHINE_ECALL:
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rt_kprintf("Environment call from M-mode");
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break;
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default:
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rt_kprintf("Uknown exception : %08lX", cause);
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break;
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}
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rt_kprintf("\n");
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print_stack_frame(sp);
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rt_kprintf("exception pc => 0x%08x\n", epc);
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rt_kprintf("current thread: %.*s\n", RT_NAME_MAX, tid->parent.name);
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#if defined(RT_USING_FINSH) && defined(MSH_USING_BUILT_IN_COMMANDS)
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list_thread();
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#endif
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while(1);
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}
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return epc;
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}
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