1 /******************************************************************************
2 * @file startup_ARMCM3.c
3 * @brief CMSIS-Core(M) Device Startup File for a Cortex-M3 Device
4 * @version V2.0.2
5 * @date 15. November 2019
6 ******************************************************************************/
7 /*
8 * Copyright (c) 2009-2019 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 #include "ARMCM3.h"
26
27 /*----------------------------------------------------------------------------
28 External References
29 *----------------------------------------------------------------------------*/
30 extern uint32_t __INITIAL_SP;
31
32 extern __NO_RETURN void __PROGRAM_START(void) ;
33
34 /*----------------------------------------------------------------------------
35 Internal References
36 *----------------------------------------------------------------------------*/
37 __NO_RETURN void Default_Handler(void);
38 __NO_RETURN void Reset_Handler (void);
39
40 /*----------------------------------------------------------------------------
41 Exception / Interrupt Handler
42 *----------------------------------------------------------------------------*/
43 /* Exceptions */
44 void NMI_Handler (void) __attribute__ ((weak, alias("Default_Handler")));
45 void HardFault_Handler (void) __attribute__ ((weak));
46 void MemManage_Handler (void) __attribute__ ((weak, alias("Default_Handler")));
47 void BusFault_Handler (void) __attribute__ ((weak, alias("Default_Handler")));
48 void UsageFault_Handler (void) __attribute__ ((weak, alias("Default_Handler")));
49 void SVC_Handler (void) __attribute__ ((weak, alias("Default_Handler")));
50 void DebugMon_Handler (void) __attribute__ ((weak, alias("Default_Handler")));
51 void PendSV_Handler (void) __attribute__ ((weak, alias("Default_Handler")));
52 void SysTick_Handler (void) __attribute__ ((weak, alias("Default_Handler")));
53
54 void Interrupt0_Handler (void) __attribute__ ((weak, alias("Default_Handler")));
55 void Interrupt1_Handler (void) __attribute__ ((weak, alias("Default_Handler")));
56 void Interrupt2_Handler (void) __attribute__ ((weak, alias("Default_Handler")));
57 void Interrupt3_Handler (void) __attribute__ ((weak, alias("Default_Handler")));
58 void Interrupt4_Handler (void) __attribute__ ((weak, alias("Default_Handler")));
59 void Interrupt5_Handler (void) __attribute__ ((weak, alias("Default_Handler")));
60 void Interrupt6_Handler (void) __attribute__ ((weak, alias("Default_Handler")));
61 void Interrupt7_Handler (void) __attribute__ ((weak, alias("Default_Handler")));
62 void Interrupt8_Handler (void) __attribute__ ((weak, alias("Default_Handler")));
63 void Interrupt9_Handler (void) __attribute__ ((weak, alias("Default_Handler")));
64
65
66 /*----------------------------------------------------------------------------
67 Exception / Interrupt Vector table
68 *----------------------------------------------------------------------------*/
69
70 #if defined ( __GNUC__ )
71 #pragma GCC diagnostic push
72 #pragma GCC diagnostic ignored "-Wpedantic"
73 #endif
74
75 extern const VECTOR_TABLE_Type __VECTOR_TABLE[240];
76 const VECTOR_TABLE_Type __VECTOR_TABLE[240] __VECTOR_TABLE_ATTRIBUTE = {
77 (VECTOR_TABLE_Type)(&__INITIAL_SP), /* Initial Stack Pointer */
78 Reset_Handler, /* Reset Handler */
79 NMI_Handler, /* -14 NMI Handler */
80 HardFault_Handler, /* -13 Hard Fault Handler */
81 MemManage_Handler, /* -12 MPU Fault Handler */
82 BusFault_Handler, /* -11 Bus Fault Handler */
83 UsageFault_Handler, /* -10 Usage Fault Handler */
84 0, /* Reserved */
85 0, /* Reserved */
86 0, /* Reserved */
87 0, /* Reserved */
88 SVC_Handler, /* -5 SVCall Handler */
89 DebugMon_Handler, /* -4 Debug Monitor Handler */
90 0, /* Reserved */
91 PendSV_Handler, /* -2 PendSV Handler */
92 SysTick_Handler, /* -1 SysTick Handler */
93
94 /* Interrupts */
95 Interrupt0_Handler, /* 0 Interrupt 0 */
96 Interrupt1_Handler, /* 1 Interrupt 1 */
97 Interrupt2_Handler, /* 2 Interrupt 2 */
98 Interrupt3_Handler, /* 3 Interrupt 3 */
99 Interrupt4_Handler, /* 4 Interrupt 4 */
100 Interrupt5_Handler, /* 5 Interrupt 5 */
101 Interrupt6_Handler, /* 6 Interrupt 6 */
102 Interrupt7_Handler, /* 7 Interrupt 7 */
103 Interrupt8_Handler, /* 8 Interrupt 8 */
104 Interrupt9_Handler /* 9 Interrupt 9 */
105 /* Interrupts 10 .. 223 are left out */
106 };
107
108 #if defined ( __GNUC__ )
109 #pragma GCC diagnostic pop
110 #endif
111
112 /*----------------------------------------------------------------------------
113 Reset Handler called on controller reset
114 *----------------------------------------------------------------------------*/
Reset_Handler(void)115 void Reset_Handler(void)
116 {
117 SystemInit(); /* CMSIS System Initialization */
118 __PROGRAM_START(); /* Enter PreMain (C library entry point) */
119 }
120
121 /*----------------------------------------------------------------------------
122 Hard Fault Handler
123 *----------------------------------------------------------------------------*/
HardFault_Handler(void)124 __NO_RETURN void HardFault_Handler(void)
125 {
126 while(1);
127 }
128
129 /*----------------------------------------------------------------------------
130 Default Handler for Exceptions / Interrupts
131 *----------------------------------------------------------------------------*/
Default_Handler(void)132 void Default_Handler(void)
133 {
134 while(1);
135 }
136
