12345678910111213141516171819202122232425262728293031323334353637383940414243444546474849505152535455565758596061626364656667686970717273747576777879808182838485868788899091929394959697 |
- /**
- * Copyright (c) 2015 - 2020, Nordic Semiconductor ASA
- *
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without modification,
- * are permitted provided that the following conditions are met:
- *
- * 1. Redistributions of source code must retain the above copyright notice, this
- * list of conditions and the following disclaimer.
- *
- * 2. Redistributions in binary form, except as embedded into a Nordic
- * Semiconductor ASA integrated circuit in a product or a software update for
- * such product, must reproduce the above copyright notice, this list of
- * conditions and the following disclaimer in the documentation and/or other
- * materials provided with the distribution.
- *
- * 3. Neither the name of Nordic Semiconductor ASA nor the names of its
- * contributors may be used to endorse or promote products derived from this
- * software without specific prior written permission.
- *
- * 4. This software, with or without modification, must only be used with a
- * Nordic Semiconductor ASA integrated circuit.
- *
- * 5. Any software provided in binary form under this license must not be reverse
- * engineered, decompiled, modified and/or disassembled.
- *
- * THIS SOFTWARE IS PROVIDED BY NORDIC SEMICONDUCTOR ASA "AS IS" AND ANY EXPRESS
- * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
- * OF MERCHANTABILITY, NONINFRINGEMENT, AND FITNESS FOR A PARTICULAR PURPOSE ARE
- * DISCLAIMED. IN NO EVENT SHALL NORDIC SEMICONDUCTOR ASA OR CONTRIBUTORS BE
- * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
- * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
- * GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
- * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- *
- */
- #include "sdk_common.h"
- #if NRF_MODULE_ENABLED(HARDFAULT_HANDLER)
- #include <stdint.h>
- #include "compiler_abstraction.h"
- #pragma section = "CSTACK"
- extern void HardFault_c_handler( uint32_t * );
- __stackless void HardFault_Handler(void);
- __stackless void HardFault_Handler(void)
- {
- __ASM volatile(
- " ldr.n r3, 103f \n"
- " tst lr, #4 \n"
- /* PSP is quite simple and does not require additional handler */
- " itt ne \n"
- " mrsne r0, psp \n"
- /* Jump to the handler, do not store LR - returning from handler just exits exception */
- " bxne r3 \n"
- /* Processing MSP requires stack checking */
- " mrs r0, msp \n"
- " ldr.n r1, 101f \n"
- " ldr.n r2, 102f \n"
- /* MSP is in the range of the stack area */
- " cmp r0, r1 \n"
- " bhi.n 1f \n"
- " cmp r0, r2 \n"
- " bhi.n 2f \n"
- "1: \n"
- " mov sp, r1 \n"
- " mov r0, #0 \n"
- "2: \n"
- " bx r3 \n"
- /* Data alignment if required */
- " nop \n"
- "DATA \n"
- "101: \n"
- " DC32 %c0 \n"
- "102: \n"
- " DC32 %c1 \n"
- "103: \n"
- " DC32 %c2 \n"
- : /* Outputs */
- : /* Inputs */
- "i"(__section_end("CSTACK")),
- "i"(__section_begin("CSTACK")),
- "i"(&HardFault_c_handler)
- );
- }
- #endif //NRF_MODULE_ENABLED(HARDFAULT_HANDLER)
|