mirror of
https://github.com/qmk/qmk_firmware.git
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63 lines
2.3 KiB
C
63 lines
2.3 KiB
C
/* Copyright 2021 OpenAnnePro community
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include <string.h>
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#include "hal.h"
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#define bkpt() __asm volatile("BKPT #0\n")
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OSAL_IRQ_HANDLER(HardFault_Handler) {
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// Copy to local variables (not pointers) to allow GDB "i loc" to directly show the info
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struct port_extctx ctx;
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volatile unsigned long _CFSR;
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volatile unsigned long _HFSR;
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volatile unsigned long _DFSR;
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volatile unsigned long _AFSR;
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volatile unsigned long _BFAR;
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volatile unsigned long _MMAR;
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// Get thread context. Contains main registers including PC and LR
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memcpy(&ctx, (void *)__get_PSP(), sizeof(struct port_extctx));
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(void)ctx;
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// Configurable Fault Status Register
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// Consists of MMSR, BFSR and UFSR
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_CFSR = (*((volatile unsigned long *)(0xE000ED28)));
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(void)(_CFSR);
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// Hard Fault Status Register
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_HFSR = (*((volatile unsigned long *)(0xE000ED2C)));
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(void)(_HFSR);
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// Debug Fault Status Register
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_DFSR = (*((volatile unsigned long *)(0xE000ED30)));
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(void)(_DFSR);
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// Auxiliary Fault Status Register
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_AFSR = (*((volatile unsigned long *)(0xE000ED3C)));
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(void)(_AFSR);
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// Read the Fault Address Registers. These may not contain valid values.
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// Check BFARVALID/MMARVALID to see if they are valid values
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// MemManage Fault Address Register
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_MMAR = (*((volatile unsigned long *)(0xE000ED34)));
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(void)(_MMAR);
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// Bus Fault Address Register
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_BFAR = (*((volatile unsigned long *)(0xE000ED38)));
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(void)(_BFAR);
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// Cause debugger to stop. Ignored if no debugger is attached
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bkpt();
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NVIC_SystemReset(); // If no debugger connected, just reset the board
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}
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