1 /******************************************************************************
2 * @file startup_ARMCM3.c
3 * @brief CMSIS-Core(M) Device Startup File for a Cortex-M3 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 (ARMCM3)
26 #include "ARMCM3.h"
27 #else
28 #error device not specified!
29 #endif
30
31 /*----------------------------------------------------------------------------
32 External References
33 *----------------------------------------------------------------------------*/
34 extern uint32_t __INITIAL_SP;
35
36 extern __NO_RETURN void __PROGRAM_START(void);
37
38 /*----------------------------------------------------------------------------
39 Internal References
40 *----------------------------------------------------------------------------*/
41 __NO_RETURN void Reset_Handler (void);
42 void Default_Handler(void);
43
44 /*----------------------------------------------------------------------------
45 Exception / Interrupt Handler
46 *----------------------------------------------------------------------------*/
47 /* Exceptions */
48 void NMI_Handler (void) __attribute__ ((weak, alias("Default_Handler")));
49 void HardFault_Handler (void) __attribute__ ((weak));
50 void MemManage_Handler (void) __attribute__ ((weak, alias("Default_Handler")));
51 void BusFault_Handler (void) __attribute__ ((weak, alias("Default_Handler")));
52 void UsageFault_Handler (void) __attribute__ ((weak, alias("Default_Handler")));
53 void SVC_Handler (void) __attribute__ ((weak, alias("Default_Handler")));
54 void DebugMon_Handler (void) __attribute__ ((weak, alias("Default_Handler")));
55 void PendSV_Handler (void) __attribute__ ((weak, alias("Default_Handler")));
56 void SysTick_Handler (void) __attribute__ ((weak, alias("Default_Handler")));
57
58 void Interrupt0_Handler (void) __attribute__ ((weak, alias("Default_Handler")));
59 void Interrupt1_Handler (void) __attribute__ ((weak, alias("Default_Handler")));
60 void Interrupt2_Handler (void) __attribute__ ((weak, alias("Default_Handler")));
61 void Interrupt3_Handler (void) __attribute__ ((weak, alias("Default_Handler")));
62 void Interrupt4_Handler (void) __attribute__ ((weak, alias("Default_Handler")));
63 void Interrupt5_Handler (void) __attribute__ ((weak, alias("Default_Handler")));
64 void Interrupt6_Handler (void) __attribute__ ((weak, alias("Default_Handler")));
65 void Interrupt7_Handler (void) __attribute__ ((weak, alias("Default_Handler")));
66 void Interrupt8_Handler (void) __attribute__ ((weak, alias("Default_Handler")));
67 void Interrupt9_Handler (void) __attribute__ ((weak, alias("Default_Handler")));
68
69
70 /*----------------------------------------------------------------------------
71 Exception / Interrupt Vector table
72 *----------------------------------------------------------------------------*/
73
74 #if defined ( __GNUC__ )
75 #pragma GCC diagnostic push
76 #pragma GCC diagnostic ignored "-Wpedantic"
77 #endif
78
79 extern const VECTOR_TABLE_Type __VECTOR_TABLE[240];
80 const VECTOR_TABLE_Type __VECTOR_TABLE[240] __VECTOR_TABLE_ATTRIBUTE = {
81 (VECTOR_TABLE_Type)(&__INITIAL_SP), /* Initial Stack Pointer */
82 Reset_Handler, /* Reset Handler */
83 NMI_Handler, /* -14 NMI Handler */
84 HardFault_Handler, /* -13 Hard Fault Handler */
85 MemManage_Handler, /* -12 MPU Fault Handler */
86 BusFault_Handler, /* -11 Bus Fault Handler */
87 UsageFault_Handler, /* -10 Usage Fault Handler */
88 0, /* Reserved */
89 0, /* Reserved */
90 0, /* Reserved */
91 0, /* Reserved */
92 SVC_Handler, /* -5 SVC Handler */
93 DebugMon_Handler, /* -4 Debug Monitor Handler */
94 0, /* Reserved */
95 PendSV_Handler, /* -2 PendSV Handler */
96 SysTick_Handler, /* -1 SysTick Handler */
97
98 /* Interrupts */
99 Interrupt0_Handler, /* 0 Interrupt 0 */
100 Interrupt1_Handler, /* 1 Interrupt 1 */
101 Interrupt2_Handler, /* 2 Interrupt 2 */
102 Interrupt3_Handler, /* 3 Interrupt 3 */
103 Interrupt4_Handler, /* 4 Interrupt 4 */
104 Interrupt5_Handler, /* 5 Interrupt 5 */
105 Interrupt6_Handler, /* 6 Interrupt 6 */
106 Interrupt7_Handler, /* 7 Interrupt 7 */
107 Interrupt8_Handler, /* 8 Interrupt 8 */
108 Interrupt9_Handler /* 9 Interrupt 9 */
109 /* Interrupts 10 .. 223 are left out */
110 };
111
112 #if defined ( __GNUC__ )
113 #pragma GCC diagnostic pop
114 #endif
115
116 /*----------------------------------------------------------------------------
117 Reset Handler called on controller reset
118 *----------------------------------------------------------------------------*/
Reset_Handler(void)119 __NO_RETURN void Reset_Handler(void)
120 {
121 SystemInit(); /* CMSIS System Initialization */
122 __PROGRAM_START(); /* Enter PreMain (C library entry point) */
123 }
124
125
126 #if defined(__ARMCC_VERSION) && (__ARMCC_VERSION >= 6010050)
127 #pragma clang diagnostic push
128 #pragma clang diagnostic ignored "-Wmissing-noreturn"
129 #endif
130
131 /*----------------------------------------------------------------------------
132 Hard Fault Handler
133 *----------------------------------------------------------------------------*/
HardFault_Handler(void)134 void HardFault_Handler(void)
135 {
136 while(1);
137 }
138
139 /*----------------------------------------------------------------------------
140 Default Handler for Exceptions / Interrupts
141 *----------------------------------------------------------------------------*/
Default_Handler(void)142 void Default_Handler(void)
143 {
144 while(1);
145 }
146
147 #if defined(__ARMCC_VERSION) && (__ARMCC_VERSION >= 6010050)
148 #pragma clang diagnostic pop
149 #endif
150
151
