1 /******************************************************************************
2 * @file startup_ARMCM23.c
3 * @brief CMSIS-Core Device Startup File for a Cortex-M23 Device
4 * @version V2.1.0
5 * @date 16. December 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 (ARMCM23)
26 #include "ARMCM23.h"
27 #elif defined (ARMCM23_TZ)
28 #include "ARMCM23_TZ.h"
29 #else
30 #error device not specified!
31 #endif
32
33 /*----------------------------------------------------------------------------
34 External References
35 *----------------------------------------------------------------------------*/
36 extern uint32_t __INITIAL_SP;
37 extern uint32_t __STACK_LIMIT;
38 #if defined (__ARM_FEATURE_CMSE) && (__ARM_FEATURE_CMSE == 3U)
39 extern uint32_t __STACK_SEAL;
40 #endif
41
42 extern __NO_RETURN void __PROGRAM_START(void);
43
44 /*----------------------------------------------------------------------------
45 Internal References
46 *----------------------------------------------------------------------------*/
47 __NO_RETURN void Reset_Handler (void);
48 void Default_Handler(void);
49
50 /*----------------------------------------------------------------------------
51 Exception / Interrupt Handler
52 *----------------------------------------------------------------------------*/
53 /* Exceptions */
54 void NMI_Handler (void) __attribute__ ((weak, alias("Default_Handler")));
55 void HardFault_Handler (void) __attribute__ ((weak));
56 void SVC_Handler (void) __attribute__ ((weak, alias("Default_Handler")));
57 void PendSV_Handler (void) __attribute__ ((weak, alias("Default_Handler")));
58 void SysTick_Handler (void) __attribute__ ((weak, alias("Default_Handler")));
59
60 void Interrupt0_Handler (void) __attribute__ ((weak, alias("Default_Handler")));
61 void Interrupt1_Handler (void) __attribute__ ((weak, alias("Default_Handler")));
62 void Interrupt2_Handler (void) __attribute__ ((weak, alias("Default_Handler")));
63 void Interrupt3_Handler (void) __attribute__ ((weak, alias("Default_Handler")));
64 void Interrupt4_Handler (void) __attribute__ ((weak, alias("Default_Handler")));
65 void Interrupt5_Handler (void) __attribute__ ((weak, alias("Default_Handler")));
66 void Interrupt6_Handler (void) __attribute__ ((weak, alias("Default_Handler")));
67 void Interrupt7_Handler (void) __attribute__ ((weak, alias("Default_Handler")));
68 void Interrupt8_Handler (void) __attribute__ ((weak, alias("Default_Handler")));
69 void Interrupt9_Handler (void) __attribute__ ((weak, alias("Default_Handler")));
70
71
72 /*----------------------------------------------------------------------------
73 Exception / Interrupt Vector table
74 *----------------------------------------------------------------------------*/
75
76 #if defined ( __GNUC__ )
77 #pragma GCC diagnostic push
78 #pragma GCC diagnostic ignored "-Wpedantic"
79 #endif
80
81 extern const VECTOR_TABLE_Type __VECTOR_TABLE[240];
82 const VECTOR_TABLE_Type __VECTOR_TABLE[240] __VECTOR_TABLE_ATTRIBUTE = {
83 (VECTOR_TABLE_Type)(&__INITIAL_SP), /* Initial Stack Pointer */
84 Reset_Handler, /* Reset Handler */
85 NMI_Handler, /* -14 NMI Handler */
86 HardFault_Handler, /* -13 Hard Fault Handler */
87 0, /* Reserved */
88 0, /* Reserved */
89 0, /* Reserved */
90 0, /* Reserved */
91 0, /* Reserved */
92 0, /* Reserved */
93 0, /* Reserved */
94 SVC_Handler, /* -5 SVCall Handler */
95 0, /* Reserved */
96 0, /* Reserved */
97 PendSV_Handler, /* -2 PendSV Handler */
98 SysTick_Handler, /* -1 SysTick Handler */
99
100 /* Interrupts */
101 Interrupt0_Handler, /* 0 Interrupt 0 */
102 Interrupt1_Handler, /* 1 Interrupt 1 */
103 Interrupt2_Handler, /* 2 Interrupt 2 */
104 Interrupt3_Handler, /* 3 Interrupt 3 */
105 Interrupt4_Handler, /* 4 Interrupt 4 */
106 Interrupt5_Handler, /* 5 Interrupt 5 */
107 Interrupt6_Handler, /* 6 Interrupt 6 */
108 Interrupt7_Handler, /* 7 Interrupt 7 */
109 Interrupt8_Handler, /* 8 Interrupt 8 */
110 Interrupt9_Handler /* 9 Interrupt 9 */
111 /* Interrupts 10 .. 223 are left out */
112 };
113
114 #if defined ( __GNUC__ )
115 #pragma GCC diagnostic pop
116 #endif
117
118 /*----------------------------------------------------------------------------
119 Reset Handler called on controller reset
120 *----------------------------------------------------------------------------*/
Reset_Handler(void)121 __NO_RETURN void Reset_Handler(void)
122 {
123 __set_PSP((uint32_t)(&__INITIAL_SP));
124
125 #if defined (__ARM_FEATURE_CMSE) && (__ARM_FEATURE_CMSE == 3U)
126 __set_MSPLIM((uint32_t)(&__STACK_LIMIT));
127 __set_PSPLIM((uint32_t)(&__STACK_LIMIT));
128
129 __TZ_set_STACKSEAL_S((uint32_t *)(&__STACK_SEAL));
130 #endif
131
132 SystemInit(); /* CMSIS System Initialization */
133 __PROGRAM_START(); /* Enter PreMain (C library entry point) */
134 }
135
136
137 #if defined(__ARMCC_VERSION) && (__ARMCC_VERSION >= 6010050)
138 #pragma clang diagnostic push
139 #pragma clang diagnostic ignored "-Wmissing-noreturn"
140 #endif
141
142 /*----------------------------------------------------------------------------
143 Hard Fault Handler
144 *----------------------------------------------------------------------------*/
HardFault_Handler(void)145 void HardFault_Handler(void)
146 {
147 while(1);
148 }
149
150 /*----------------------------------------------------------------------------
151 Default Handler for Exceptions / Interrupts
152 *----------------------------------------------------------------------------*/
Default_Handler(void)153 void Default_Handler(void)
154 {
155 while(1);
156 }
157
158 #if defined(__ARMCC_VERSION) && (__ARMCC_VERSION >= 6010050)
159 #pragma clang diagnostic pop
160 #endif
161
162
