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48 lines
1.2 KiB
C
48 lines
1.2 KiB
C
/*
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* Copyright 2024 Google LLC
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include "drivers/dbgserial.h"
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#include "util/misc.h"
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#include "system/die.h"
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#include "system/reset.h"
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#include "misc.h"
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#include "stm32f4xx.h"
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#include <inttypes.h>
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#include <stdarg.h>
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#include <stdio.h>
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void hard_fault_handler_c(unsigned int* hardfault_args) {
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dbgserial_putstr("HARD FAULT");
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#ifdef NO_WATCHDOG
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__BKPT();
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while (1) continue;
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#else
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system_hard_reset();
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#endif
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}
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void HardFault_Handler(void) {
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// Grab the stack pointer, shove it into a register and call
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// the c function above.
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__asm("TST LR, #4\n"
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"ITE EQ\n"
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"MRSEQ R0, MSP\n"
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"MRSNE R0, PSP\n"
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"B hard_fault_handler_c\n");
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}
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