Rahul Dahiya / Mbed OS STM32F7 Ethernet

Important changes to repositories hosted on mbed.com

Mbed hosted mercurial repositories are deprecated and are due to be permanently deleted in July 2026.

To keep a copy of this software download the repository Zip archive or clone locally using Mercurial.

It is also possible to export all your personal repositories from the account settings page.

mbed-os/platform/mbed_sdk_boot.c@0:fb8047b156bb, 2020-01-15 (annotated)

Committer:
rahul_dahiya
Date:
Wed Jan 15 15:57:15 2020 +0530
Revision:
0:fb8047b156bb
STM32F7 LWIP

Who changed what in which revision?

UserRevisionLine numberNew contents of line
rahul_dahiya 0:fb8047b156bb 1 /* mbed Microcontroller Library
rahul_dahiya 0:fb8047b156bb 2 * Copyright (c) 2017 ARM Limited
rahul_dahiya 0:fb8047b156bb 3 *
rahul_dahiya 0:fb8047b156bb 4 * Licensed under the Apache License, Version 2.0 (the "License");
rahul_dahiya 0:fb8047b156bb 5 * you may not use this file except in compliance with the License.
rahul_dahiya 0:fb8047b156bb 6 * You may obtain a copy of the License at
rahul_dahiya 0:fb8047b156bb 7 *
rahul_dahiya 0:fb8047b156bb 8 * http://www.apache.org/licenses/LICENSE-2.0
rahul_dahiya 0:fb8047b156bb 9 *
rahul_dahiya 0:fb8047b156bb 10 * Unless required by applicable law or agreed to in writing, software
rahul_dahiya 0:fb8047b156bb 11 * distributed under the License is distributed on an "AS IS" BASIS,
rahul_dahiya 0:fb8047b156bb 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
rahul_dahiya 0:fb8047b156bb 13 * See the License for the specific language governing permissions and
rahul_dahiya 0:fb8047b156bb 14 * limitations under the License.
rahul_dahiya 0:fb8047b156bb 15 */
rahul_dahiya 0:fb8047b156bb 16
rahul_dahiya 0:fb8047b156bb 17 #include "mbed_toolchain.h"
rahul_dahiya 0:fb8047b156bb 18 #include <stdlib.h>
rahul_dahiya 0:fb8047b156bb 19 #include <stdint.h>
rahul_dahiya 0:fb8047b156bb 20 #include "cmsis.h"
rahul_dahiya 0:fb8047b156bb 21
rahul_dahiya 0:fb8047b156bb 22 /* This startup is for mbed 2 baremetal. There is no config for RTOS for mbed 2,
rahul_dahiya 0:fb8047b156bb 23 * therefore we protect this file with MBED_CONF_RTOS_PRESENT
rahul_dahiya 0:fb8047b156bb 24 * Note: The new consolidated started for mbed OS is in rtos/mbed_boot code file.
rahul_dahiya 0:fb8047b156bb 25 */
rahul_dahiya 0:fb8047b156bb 26 #if !defined(MBED_CONF_RTOS_PRESENT)
rahul_dahiya 0:fb8047b156bb 27
rahul_dahiya 0:fb8047b156bb 28 /* mbed_main is a function that is called before main()
rahul_dahiya 0:fb8047b156bb 29 * mbed_sdk_init() is also a function that is called before main(), but unlike
rahul_dahiya 0:fb8047b156bb 30 * mbed_main(), it is not meant for user code, but for the SDK itself to perform
rahul_dahiya 0:fb8047b156bb 31 * initializations before main() is called.
rahul_dahiya 0:fb8047b156bb 32 */
rahul_dahiya 0:fb8047b156bb 33 MBED_WEAK void mbed_main(void)
rahul_dahiya 0:fb8047b156bb 34 {
rahul_dahiya 0:fb8047b156bb 35
rahul_dahiya 0:fb8047b156bb 36 }
rahul_dahiya 0:fb8047b156bb 37
rahul_dahiya 0:fb8047b156bb 38 /* This function can be implemented by the target to perform higher level target initialization
rahul_dahiya 0:fb8047b156bb 39 */
rahul_dahiya 0:fb8047b156bb 40 MBED_WEAK void mbed_sdk_init(void)
rahul_dahiya 0:fb8047b156bb 41 {
rahul_dahiya 0:fb8047b156bb 42
rahul_dahiya 0:fb8047b156bb 43 }
rahul_dahiya 0:fb8047b156bb 44
rahul_dahiya 0:fb8047b156bb 45 MBED_WEAK void software_init_hook_rtos()
rahul_dahiya 0:fb8047b156bb 46 {
rahul_dahiya 0:fb8047b156bb 47 // Nothing by default
rahul_dahiya 0:fb8047b156bb 48 }
rahul_dahiya 0:fb8047b156bb 49
rahul_dahiya 0:fb8047b156bb 50 void mbed_copy_nvic(void)
rahul_dahiya 0:fb8047b156bb 51 {
rahul_dahiya 0:fb8047b156bb 52 /* If vector address in RAM is defined, copy and switch to dynamic vectors. Exceptions for M0 which doesn't have
rahul_dahiya 0:fb8047b156bb 53 VTOR register and for A9 for which CMSIS doesn't define NVIC_SetVector; in both cases target code is
rahul_dahiya 0:fb8047b156bb 54 responsible for correctly handling the vectors.
rahul_dahiya 0:fb8047b156bb 55 */
rahul_dahiya 0:fb8047b156bb 56 #if !defined(__CORTEX_M0) && !defined(__CORTEX_A9)
rahul_dahiya 0:fb8047b156bb 57 #ifdef NVIC_RAM_VECTOR_ADDRESS
rahul_dahiya 0:fb8047b156bb 58 uint32_t *old_vectors = (uint32_t *)SCB->VTOR;
rahul_dahiya 0:fb8047b156bb 59 uint32_t *vectors = (uint32_t*)NVIC_RAM_VECTOR_ADDRESS;
rahul_dahiya 0:fb8047b156bb 60 for (int i = 0; i < NVIC_NUM_VECTORS; i++) {
rahul_dahiya 0:fb8047b156bb 61 vectors[i] = old_vectors[i];
rahul_dahiya 0:fb8047b156bb 62 }
rahul_dahiya 0:fb8047b156bb 63 SCB->VTOR = (uint32_t)NVIC_RAM_VECTOR_ADDRESS;
rahul_dahiya 0:fb8047b156bb 64 #endif /* NVIC_RAM_VECTOR_ADDRESS */
rahul_dahiya 0:fb8047b156bb 65 #endif /* !defined(__CORTEX_M0) && !defined(__CORTEX_A9) */
rahul_dahiya 0:fb8047b156bb 66 }
rahul_dahiya 0:fb8047b156bb 67
rahul_dahiya 0:fb8047b156bb 68 /* Toolchain specific main code */
rahul_dahiya 0:fb8047b156bb 69
rahul_dahiya 0:fb8047b156bb 70 #if defined (__CC_ARM) || (defined(__ARMCC_VERSION) && (__ARMCC_VERSION >= 5010060))
rahul_dahiya 0:fb8047b156bb 71
rahul_dahiya 0:fb8047b156bb 72 int $Super$$main(void);
rahul_dahiya 0:fb8047b156bb 73
rahul_dahiya 0:fb8047b156bb 74 int $Sub$$main(void)
rahul_dahiya 0:fb8047b156bb 75 {
rahul_dahiya 0:fb8047b156bb 76 mbed_main();
rahul_dahiya 0:fb8047b156bb 77 return $Super$$main();
rahul_dahiya 0:fb8047b156bb 78 }
rahul_dahiya 0:fb8047b156bb 79
rahul_dahiya 0:fb8047b156bb 80 void _platform_post_stackheap_init(void)
rahul_dahiya 0:fb8047b156bb 81 {
rahul_dahiya 0:fb8047b156bb 82 mbed_copy_nvic();
rahul_dahiya 0:fb8047b156bb 83 mbed_sdk_init();
rahul_dahiya 0:fb8047b156bb 84 }
rahul_dahiya 0:fb8047b156bb 85
rahul_dahiya 0:fb8047b156bb 86 #elif defined (__GNUC__)
rahul_dahiya 0:fb8047b156bb 87
rahul_dahiya 0:fb8047b156bb 88 extern int __real_main(void);
rahul_dahiya 0:fb8047b156bb 89
rahul_dahiya 0:fb8047b156bb 90 void software_init_hook(void)
rahul_dahiya 0:fb8047b156bb 91 {
rahul_dahiya 0:fb8047b156bb 92 mbed_copy_nvic();
rahul_dahiya 0:fb8047b156bb 93 mbed_sdk_init();
rahul_dahiya 0:fb8047b156bb 94 software_init_hook_rtos();
rahul_dahiya 0:fb8047b156bb 95 }
rahul_dahiya 0:fb8047b156bb 96
rahul_dahiya 0:fb8047b156bb 97
rahul_dahiya 0:fb8047b156bb 98 int __wrap_main(void)
rahul_dahiya 0:fb8047b156bb 99 {
rahul_dahiya 0:fb8047b156bb 100 mbed_main();
rahul_dahiya 0:fb8047b156bb 101 return __real_main();
rahul_dahiya 0:fb8047b156bb 102 }
rahul_dahiya 0:fb8047b156bb 103
rahul_dahiya 0:fb8047b156bb 104 #elif defined (__ICCARM__)
rahul_dahiya 0:fb8047b156bb 105
rahul_dahiya 0:fb8047b156bb 106 int __low_level_init(void)
rahul_dahiya 0:fb8047b156bb 107 {
rahul_dahiya 0:fb8047b156bb 108 mbed_copy_nvic();
rahul_dahiya 0:fb8047b156bb 109 return 1;
rahul_dahiya 0:fb8047b156bb 110 }
rahul_dahiya 0:fb8047b156bb 111
rahul_dahiya 0:fb8047b156bb 112 #endif
rahul_dahiya 0:fb8047b156bb 113
rahul_dahiya 0:fb8047b156bb 114 #endif