diff options
Diffstat (limited to 'source/application/hal/platforms/bare-metal/bsp/cmsis-device/irqs.c')
| -rw-r--r-- | source/application/hal/platforms/bare-metal/bsp/cmsis-device/irqs.c | 265 |
1 files changed, 0 insertions, 265 deletions
diff --git a/source/application/hal/platforms/bare-metal/bsp/cmsis-device/irqs.c b/source/application/hal/platforms/bare-metal/bsp/cmsis-device/irqs.c deleted file mode 100644 index 7d8aa06..0000000 --- a/source/application/hal/platforms/bare-metal/bsp/cmsis-device/irqs.c +++ /dev/null @@ -1,265 +0,0 @@ -/* - * Copyright (c) 2021 Arm Limited. All rights reserved. - * SPDX-License-Identifier: Apache-2.0 - * - * Licensed under the Apache License, Version 2.0 (the "License"); - * you may not use this file except in compliance with the License. - * You may obtain a copy of the License at - * - * http://www.apache.org/licenses/LICENSE-2.0 - * - * Unless required by applicable law or agreed to in writing, software - * distributed under the License is distributed on an "AS IS" BASIS, - * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. - * See the License for the specific language governing permissions and - * limitations under the License. - */ -#ifdef __cplusplus -extern "C" -{ -#endif - -#include "irqs.h" -#include "cmsis.h" - -#include <stdio.h> -#include <inttypes.h> - -static uint64_t cpu_cycle_count = 0; - -/** - * External references - */ -extern uint32_t __INITIAL_SP; -extern uint32_t __STACK_LIMIT; - -#if defined (__ARM_FEATURE_CMSE) && (__ARM_FEATURE_CMSE == 3U) - extern uint32_t __STACK_SEAL; -#endif - -extern __NO_RETURN void __PROGRAM_START(void); - -/** - * @brief Dump core registers on stdout - */ -static void LogCoreCPURegisters(void) -{ - printf("CTRL : 0x%08" PRIx32 "\n", __get_CONTROL()); - printf("IPSR : 0x%08" PRIx32 "\n", __get_IPSR()); - printf("APSR : 0x%08" PRIx32 "\n", __get_APSR()); - printf("xPSR : 0x%08" PRIx32 "\n", __get_xPSR()); - printf("PSP : 0x%08" PRIx32 "\n", __get_PSP()); - printf("MSP : 0x%08" PRIx32 "\n", __get_MSP()); - printf("PRIMASK : 0x%08" PRIx32 "\n", __get_PRIMASK()); - printf("BASEPRI : 0x%08" PRIx32 "\n", __get_BASEPRI()); - printf("FAULTMSK: 0x%08" PRIx32 "\n", __get_FAULTMASK()); -} - -/** - * @brief Default interrupt handler - an infinite loop. - **/ -__attribute__((noreturn)) static void DefaultHandler(void) -{ - LogCoreCPURegisters(); - while (1) { - /* Without the following line, armclang may optimize away the - * infinite loop because it'd be without side effects and thus - * undefined behaviour. */ - __ASM volatile(""); - } -} - -#define DEFAULT_HANDLER_CALL(type) \ - do { \ - printf("\n"); \ - printf("%s caught by function %s\n", \ - type, __FUNCTION__); \ - DefaultHandler(); \ - } while (0) - -#define DEFAULT_ERROR_HANDLER_CALL() \ - DEFAULT_HANDLER_CALL("Exception") - -#define DEFAULT_IRQ_HANDLER_CALL() \ - DEFAULT_HANDLER_CALL("Interrupt") - -/** - * Dummy Exception Handlers for core interrupts. - * - * Weak definitions provided to be used if the user chooses not - * to override them. - **/ - -/** - * @brief Non maskable interrupt handler. - **/ - __attribute__((weak)) void NMI_Handler(void) -{ - DEFAULT_ERROR_HANDLER_CALL(); -} - -/** - * @brief Hardfault interrupt handler. - **/ - __attribute__((weak)) void HardFault_Handler(void) -{ - DEFAULT_ERROR_HANDLER_CALL(); -} - -/** - * @brief Memory management interrupt handler. - **/ -__attribute__((weak)) void MemManage_Handler(void) -{ - DEFAULT_IRQ_HANDLER_CALL(); -} - -/** - * @brief Bus fault interrupt handler. - **/ -__attribute__((weak)) void BusFault_Handler(void) -{ - DEFAULT_ERROR_HANDLER_CALL(); -} - -/** - * @brief Usage fault interrupt handler. - **/ -__attribute__((weak)) void UsageFault_Handler(void) -{ - DEFAULT_ERROR_HANDLER_CALL(); -} - -/** - * @brief Secure access fault interrupt handler. - **/ -__attribute__((weak)) void SecureFault_Handler(void) -{ - DEFAULT_ERROR_HANDLER_CALL(); -} - -/** - * @brief Supervisor call interrupt handler. - **/ -__attribute__((weak)) void SVC_Handler(void) -{ - DEFAULT_IRQ_HANDLER_CALL(); -} - -/** - * @brief Debug monitor interrupt handler. - **/ -__attribute__((weak)) void DebugMon_Handler(void) -{ - DEFAULT_IRQ_HANDLER_CALL(); -} - -/** - * @brief Pending SV call interrupt handler. - */ -__attribute__((weak)) void PendSV_Handler(void) -{ - DEFAULT_IRQ_HANDLER_CALL(); -} - -/** - * @brief System tick interrupt handler. - **/ -void SysTick_Handler(void) -{ - /* Increment the cycle counter based on load value. */ - cpu_cycle_count += SysTick->LOAD + 1; -} - -/** - * Gets the current SysTick derived counter value - */ -uint64_t Get_SysTick_Cycle_Count(void) -{ - uint32_t systick_val; - - NVIC_DisableIRQ(SysTick_IRQn); - systick_val = SysTick->VAL & SysTick_VAL_CURRENT_Msk; - NVIC_EnableIRQ(SysTick_IRQn); - - return cpu_cycle_count + (SysTick->LOAD - systick_val); -} - -/** - * Interrupt vector table. - */ -irq_vec_type __VECTOR_TABLE[] __VECTOR_TABLE_ATTRIBUTE = { - (irq_vec_type)(&__INITIAL_SP), /* Initial Stack Pointer */ - Reset_Handler , /* 1 Initial PC, set to entry point */ - - NMI_Handler , /* 2 (-14) NMI Handler */ - HardFault_Handler , /* 3 (-13) Hard Fault Handler */ - MemManage_Handler , /* 4 (-12) MPU Fault Handler */ - BusFault_Handler , /* 5 (-11) Bus Fault Handler */ - UsageFault_Handler , /* 6 (-10) Usage Fault Handler */ - SecureFault_Handler, /* 7 ( -9) Secure Fault Handler */ - 0 , /* 8 ( -8) Reserved */ - 0 , /* 9 ( -7) Reserved */ - 0 , /* 10 ( -6) Reserved */ - SVC_Handler , /* 11 ( -5) SVCall Handler */ - DebugMon_Handler , /* 12 ( -4) Debug Monitor Handler */ - 0 , /* 13 ( -3) Reserved */ - PendSV_Handler , /* 14 ( -2) PendSV Handler */ - SysTick_Handler , /* 15 ( -1) SysTick Handler */ - - /* External sources to be populated by user. */ - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, /* 0 - 16 */ - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, /* 16 - 32 */ - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, /* 32 - 48 */ - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, /* 48 - 64 */ - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, /* 64 - 80 */ - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, /* 80 - 96 */ - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, /* 96 - 112 */ - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, /* 112 - 128 */ -}; - -/** - * SysTick initialisation - */ -int Init_SysTick(void) -{ - const uint32_t ticks_10ms = GetSystemCoreClock()/100 + 1; - int err = 0; - - /* Reset CPU cycle count value. */ - cpu_cycle_count = 0; - - /* Changing configuration for sys tick => guard from being - * interrupted. */ - NVIC_DisableIRQ(SysTick_IRQn); - - /* SysTick init - this will enable interrupt too. */ - err = SysTick_Config(ticks_10ms); - - /* Enable interrupt again. */ - NVIC_EnableIRQ(SysTick_IRQn); - - /* Wait for SysTick to kick off */ - while (!err && !SysTick->VAL) { - __NOP(); - } - - return err; -} - -/* Reset handler - starting point of our application. */ -__attribute__((used)) void Reset_Handler(void) -{ - /* Initialise system. */ - SystemInit(); - - /* Configure the system tick. */ - Init_SysTick(); - - /* cmsis supplied entry point. */ - __PROGRAM_START(); -} - -#ifdef __cplusplus -} -#endif |