1 /******************************************************************************
2 * @file startup_ARMCM0plus.c
3 * @brief CMSIS-Core(M) Device Startup File for a Cortex-M0+ Device
4 * @version V2.0.3
5 * @date 31. March 2020
6 ******************************************************************************/
7 /*
8 * Copyright (c) 2009-2020 Arm Limited. All rights reserved.
9 *
10 * SPDX-License-Identifier: Apache-2.0
11 *
12 * Licensed under the Apache License, Version 2.0 (the License); you may
13 * not use this file except in compliance with the License.
14 * You may obtain a copy of the License at
15 *
16 * www.apache.org/licenses/LICENSE-2.0
17 *
18 * Unless required by applicable law or agreed to in writing, software
19 * distributed under the License is distributed on an AS IS BASIS, WITHOUT
20 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
21 * See the License for the specific language governing permissions and
22 * limitations under the License.
23 */
24
25 #if defined (ARMCM0P)
26 #include "ARMCM0plus.h"
27 #elif defined (ARMCM0P_MPU)
28 #include "ARMCM0plus_MPU.h"
29 #else
30 #error device not specified!
31 #endif
32
33 /*----------------------------------------------------------------------------
34 External References
35 *----------------------------------------------------------------------------*/
36 extern uint32_t __INITIAL_SP;
37
38 extern __NO_RETURN void __PROGRAM_START(void);
39
40 /*----------------------------------------------------------------------------
41 Internal References
42 *----------------------------------------------------------------------------*/
43 __NO_RETURN void Reset_Handler (void);
44 void Default_Handler(void);
45
46 /*----------------------------------------------------------------------------
47 Exception / Interrupt Handler
48 *----------------------------------------------------------------------------*/
49 /* Exceptions */
50 void NMI_Handler (void) __attribute__ ((weak, alias("Default_Handler")));
51 void HardFault_Handler (void) __attribute__ ((weak));
52 void SVC_Handler (void) __attribute__ ((weak, alias("Default_Handler")));
53 void PendSV_Handler (void) __attribute__ ((weak, alias("Default_Handler")));
54 void SysTick_Handler (void) __attribute__ ((weak, alias("Default_Handler")));
55
56 void Interrupt0_Handler (void) __attribute__ ((weak, alias("Default_Handler")));
57 void Interrupt1_Handler (void) __attribute__ ((weak, alias("Default_Handler")));
58 void Interrupt2_Handler (void) __attribute__ ((weak, alias("Default_Handler")));
59 void Interrupt3_Handler (void) __attribute__ ((weak, alias("Default_Handler")));
60 void Interrupt4_Handler (void) __attribute__ ((weak, alias("Default_Handler")));
61 void Interrupt5_Handler (void) __attribute__ ((weak, alias("Default_Handler")));
62 void Interrupt6_Handler (void) __attribute__ ((weak, alias("Default_Handler")));
63 void Interrupt7_Handler (void) __attribute__ ((weak, alias("Default_Handler")));
64 void Interrupt8_Handler (void) __attribute__ ((weak, alias("Default_Handler")));
65 void Interrupt9_Handler (void) __attribute__ ((weak, alias("Default_Handler")));
66
67
68 /*----------------------------------------------------------------------------
69 Exception / Interrupt Vector table
70 *----------------------------------------------------------------------------*/
71
72 #if defined ( __GNUC__ )
73 #pragma GCC diagnostic push
74 #pragma GCC diagnostic ignored "-Wpedantic"
75 #endif
76
77 extern const VECTOR_TABLE_Type __VECTOR_TABLE[48];
78 const VECTOR_TABLE_Type __VECTOR_TABLE[48] __VECTOR_TABLE_ATTRIBUTE = {
79 (VECTOR_TABLE_Type)(&__INITIAL_SP), /* Initial Stack Pointer */
80 Reset_Handler, /* Reset Handler */
81 NMI_Handler, /* -14 NMI Handler */
82 HardFault_Handler, /* -13 Hard Fault Handler */
83 0, /* Reserved */
84 0, /* Reserved */
85 0, /* Reserved */
86 0, /* Reserved */
87 0, /* Reserved */
88 0, /* Reserved */
89 0, /* Reserved */
90 SVC_Handler, /* -5 SVCall Handler */
91 0, /* Reserved */
92 0, /* Reserved */
93 PendSV_Handler, /* -2 PendSV Handler */
94 SysTick_Handler, /* -1 SysTick Handler */
95
96 /* Interrupts */
97 Interrupt0_Handler, /* 0 Interrupt 0 */
98 Interrupt1_Handler, /* 1 Interrupt 1 */
99 Interrupt2_Handler, /* 2 Interrupt 2 */
100 Interrupt3_Handler, /* 3 Interrupt 3 */
101 Interrupt4_Handler, /* 4 Interrupt 4 */
102 Interrupt5_Handler, /* 5 Interrupt 5 */
103 Interrupt6_Handler, /* 6 Interrupt 6 */
104 Interrupt7_Handler, /* 7 Interrupt 7 */
105 Interrupt8_Handler, /* 8 Interrupt 8 */
106 Interrupt9_Handler /* 9 Interrupt 9 */
107 /* Interrupts 10..31 are left out */
108 };
109
110 #if defined ( __GNUC__ )
111 #pragma GCC diagnostic pop
112 #endif
113
114 /*----------------------------------------------------------------------------
115 Reset Handler called on controller reset
116 *----------------------------------------------------------------------------*/
Reset_Handler(void)117 __NO_RETURN void Reset_Handler(void)
118 {
119 SystemInit(); /* CMSIS System Initialization */
120 __PROGRAM_START(); /* Enter PreMain (C library entry point) */
121 }
122
123
124 #if defined(__ARMCC_VERSION) && (__ARMCC_VERSION >= 6010050)
125 #pragma clang diagnostic push
126 #pragma clang diagnostic ignored "-Wmissing-noreturn"
127 #endif
128
129 /*----------------------------------------------------------------------------
130 Hard Fault Handler
131 *----------------------------------------------------------------------------*/
HardFault_Handler(void)132 void HardFault_Handler(void)
133 {
134 while(1);
135 }
136
137 /*----------------------------------------------------------------------------
138 Default Handler for Exceptions / Interrupts
139 *----------------------------------------------------------------------------*/
Default_Handler(void)140 void Default_Handler(void)
141 {
142 while(1);
143 }
144
145 #if defined(__ARMCC_VERSION) && (__ARMCC_VERSION >= 6010050)
146 #pragma clang diagnostic pop
147 #endif
148
149
