1 /******************************************************************************
2 * @file startup_ARMCM7.c
3 * @brief CMSIS-Core(M) Device Startup File for a Cortex-M7 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 #if defined (ARMCM7)
26 #include "ARMCM7.h"
27 #elif defined (ARMCM7_SP)
28 #include "ARMCM7_SP.h"
29 #elif defined (ARMCM7_DP)
30 #include "ARMCM7_DP.h"
31 #else
32 #error device not specified!
33 #endif
34
35 /*----------------------------------------------------------------------------
36 External References
37 *----------------------------------------------------------------------------*/
38 extern uint32_t __INITIAL_SP;
39
40 extern __NO_RETURN void __PROGRAM_START(void);
41
42 /*----------------------------------------------------------------------------
43 Internal References
44 *----------------------------------------------------------------------------*/
45 void __NO_RETURN Default_Handler(void);
46 void __NO_RETURN Reset_Handler (void);
47
48 /*----------------------------------------------------------------------------
49 Exception / Interrupt Handler
50 *----------------------------------------------------------------------------*/
51 /* Exceptions */
52 void NMI_Handler (void) __attribute__ ((weak, alias("Default_Handler")));
53 void HardFault_Handler (void) __attribute__ ((weak));
54 void MemManage_Handler (void) __attribute__ ((weak, alias("Default_Handler")));
55 void BusFault_Handler (void) __attribute__ ((weak, alias("Default_Handler")));
56 void UsageFault_Handler (void) __attribute__ ((weak, alias("Default_Handler")));
57 void SVC_Handler (void) __attribute__ ((weak, alias("Default_Handler")));
58 void DebugMon_Handler (void) __attribute__ ((weak, alias("Default_Handler")));
59 void PendSV_Handler (void) __attribute__ ((weak, alias("Default_Handler")));
60 void SysTick_Handler (void) __attribute__ ((weak, alias("Default_Handler")));
61
62 void Interrupt0_Handler (void) __attribute__ ((weak, alias("Default_Handler")));
63 void Interrupt1_Handler (void) __attribute__ ((weak, alias("Default_Handler")));
64 void Interrupt2_Handler (void) __attribute__ ((weak, alias("Default_Handler")));
65 void Interrupt3_Handler (void) __attribute__ ((weak, alias("Default_Handler")));
66 void Interrupt4_Handler (void) __attribute__ ((weak, alias("Default_Handler")));
67 void Interrupt5_Handler (void) __attribute__ ((weak, alias("Default_Handler")));
68 void Interrupt6_Handler (void) __attribute__ ((weak, alias("Default_Handler")));
69 void Interrupt7_Handler (void) __attribute__ ((weak, alias("Default_Handler")));
70 void Interrupt8_Handler (void) __attribute__ ((weak, alias("Default_Handler")));
71 void Interrupt9_Handler (void) __attribute__ ((weak, alias("Default_Handler")));
72
73
74 /*----------------------------------------------------------------------------
75 Exception / Interrupt Vector table
76 *----------------------------------------------------------------------------*/
77
78 #if defined ( __GNUC__ )
79 #pragma GCC diagnostic push
80 #pragma GCC diagnostic ignored "-Wpedantic"
81 #endif
82
83 extern const VECTOR_TABLE_Type __VECTOR_TABLE[240];
84 const VECTOR_TABLE_Type __VECTOR_TABLE[240] __VECTOR_TABLE_ATTRIBUTE = {
85 (VECTOR_TABLE_Type)(&__INITIAL_SP), /* Initial Stack Pointer */
86 Reset_Handler, /* Reset Handler */
87 NMI_Handler, /* -14 NMI Handler */
88 HardFault_Handler, /* -13 Hard Fault Handler */
89 MemManage_Handler, /* -12 MPU Fault Handler */
90 BusFault_Handler, /* -11 Bus Fault Handler */
91 UsageFault_Handler, /* -10 Usage Fault Handler */
92 0, /* Reserved */
93 0, /* Reserved */
94 0, /* Reserved */
95 0, /* Reserved */
96 SVC_Handler, /* -5 SVCall Handler */
97 DebugMon_Handler, /* -4 Debug Monitor Handler */
98 0, /* Reserved */
99 PendSV_Handler, /* -2 PendSV Handler */
100 SysTick_Handler, /* -1 SysTick Handler */
101
102 /* Interrupts */
103 Interrupt0_Handler, /* 0 Interrupt 0 */
104 Interrupt1_Handler, /* 1 Interrupt 1 */
105 Interrupt2_Handler, /* 2 Interrupt 2 */
106 Interrupt3_Handler, /* 3 Interrupt 3 */
107 Interrupt4_Handler, /* 4 Interrupt 4 */
108 Interrupt5_Handler, /* 5 Interrupt 5 */
109 Interrupt6_Handler, /* 6 Interrupt 6 */
110 Interrupt7_Handler, /* 7 Interrupt 7 */
111 Interrupt8_Handler, /* 8 Interrupt 8 */
112 Interrupt9_Handler /* 9 Interrupt 9 */
113 /* Interrupts 10 .. 223 are left out */
114 };
115
116 #if defined ( __GNUC__ )
117 #pragma GCC diagnostic pop
118 #endif
119
120 /*----------------------------------------------------------------------------
121 Reset Handler called on controller reset
122 *----------------------------------------------------------------------------*/
Reset_Handler(void)123 void Reset_Handler(void)
124 {
125 SystemInit(); /* CMSIS System Initialization */
126 __PROGRAM_START(); /* Enter PreMain (C library entry point) */
127 }
128
129 /*----------------------------------------------------------------------------
130 Hard Fault Handler
131 *----------------------------------------------------------------------------*/
HardFault_Handler(void)132 __NO_RETURN 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