gcc_startup_nrf5340_network.S 13 KB

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  1. /*
  2. Copyright (c) 2009-2020 ARM Limited. All rights reserved.
  3. SPDX-License-Identifier: Apache-2.0
  4. Licensed under the Apache License, Version 2.0 (the License); you may
  5. not use this file except in compliance with the License.
  6. You may obtain a copy of the License at
  7. www.apache.org/licenses/LICENSE-2.0
  8. Unless required by applicable law or agreed to in writing, software
  9. distributed under the License is distributed on an AS IS BASIS, WITHOUT
  10. WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  11. See the License for the specific language governing permissions and
  12. limitations under the License.
  13. NOTICE: This file has been modified by Nordic Semiconductor ASA.
  14. */
  15. .syntax unified
  16. .arch armv8-m.main
  17. #ifdef __STARTUP_CONFIG
  18. #include "startup_config.h"
  19. #ifndef __STARTUP_CONFIG_STACK_ALIGNEMENT
  20. #define __STARTUP_CONFIG_STACK_ALIGNEMENT 3
  21. #endif
  22. #endif
  23. .section .stack
  24. #if defined(__STARTUP_CONFIG)
  25. .align __STARTUP_CONFIG_STACK_ALIGNEMENT
  26. .equ Stack_Size, __STARTUP_CONFIG_STACK_SIZE
  27. #elif defined(__STACK_SIZE)
  28. .align 3
  29. .equ Stack_Size, __STACK_SIZE
  30. #else
  31. .align 3
  32. .equ Stack_Size, 4096
  33. #endif
  34. .globl __StackTop
  35. .globl __StackLimit
  36. __StackLimit:
  37. .space Stack_Size
  38. .size __StackLimit, . - __StackLimit
  39. __StackTop:
  40. .size __StackTop, . - __StackTop
  41. .section .heap
  42. .align 3
  43. #if defined(__STARTUP_CONFIG)
  44. .equ Heap_Size, __STARTUP_CONFIG_HEAP_SIZE
  45. #elif defined(__HEAP_SIZE)
  46. .equ Heap_Size, __HEAP_SIZE
  47. #else
  48. .equ Heap_Size, 4096
  49. #endif
  50. .globl __HeapBase
  51. .globl __HeapLimit
  52. __HeapBase:
  53. .if Heap_Size
  54. .space Heap_Size
  55. .endif
  56. .size __HeapBase, . - __HeapBase
  57. __HeapLimit:
  58. .size __HeapLimit, . - __HeapLimit
  59. .section .isr_vector, "ax"
  60. .align 2
  61. .globl __isr_vector
  62. __isr_vector:
  63. .long __StackTop /* Top of Stack */
  64. .long Reset_Handler
  65. .long NMI_Handler
  66. .long HardFault_Handler
  67. .long MemoryManagement_Handler
  68. .long BusFault_Handler
  69. .long UsageFault_Handler
  70. .long 0 /*Reserved */
  71. .long 0 /*Reserved */
  72. .long 0 /*Reserved */
  73. .long 0 /*Reserved */
  74. .long SVC_Handler
  75. .long DebugMon_Handler
  76. .long 0 /*Reserved */
  77. .long PendSV_Handler
  78. .long SysTick_Handler
  79. /* External Interrupts */
  80. .long 0 /*Reserved */
  81. .long 0 /*Reserved */
  82. .long 0 /*Reserved */
  83. .long 0 /*Reserved */
  84. .long 0 /*Reserved */
  85. .long CLOCK_POWER_IRQHandler
  86. .long 0 /*Reserved */
  87. .long 0 /*Reserved */
  88. .long RADIO_IRQHandler
  89. .long RNG_IRQHandler
  90. .long GPIOTE_IRQHandler
  91. .long WDT_IRQHandler
  92. .long TIMER0_IRQHandler
  93. .long ECB_IRQHandler
  94. .long AAR_CCM_IRQHandler
  95. .long 0 /*Reserved */
  96. .long TEMP_IRQHandler
  97. .long RTC0_IRQHandler
  98. .long IPC_IRQHandler
  99. .long SPIM0_SPIS0_TWIM0_TWIS0_UARTE0_IRQHandler
  100. .long EGU0_IRQHandler
  101. .long 0 /*Reserved */
  102. .long RTC1_IRQHandler
  103. .long 0 /*Reserved */
  104. .long TIMER1_IRQHandler
  105. .long TIMER2_IRQHandler
  106. .long SWI0_IRQHandler
  107. .long SWI1_IRQHandler
  108. .long SWI2_IRQHandler
  109. .long SWI3_IRQHandler
  110. .long 0 /*Reserved */
  111. .long 0 /*Reserved */
  112. .long 0 /*Reserved */
  113. .long 0 /*Reserved */
  114. .long 0 /*Reserved */
  115. .long 0 /*Reserved */
  116. .long 0 /*Reserved */
  117. .long 0 /*Reserved */
  118. .long 0 /*Reserved */
  119. .long 0 /*Reserved */
  120. .long 0 /*Reserved */
  121. .long 0 /*Reserved */
  122. .long 0 /*Reserved */
  123. .long 0 /*Reserved */
  124. .long 0 /*Reserved */
  125. .long 0 /*Reserved */
  126. .long 0 /*Reserved */
  127. .long 0 /*Reserved */
  128. .long 0 /*Reserved */
  129. .long 0 /*Reserved */
  130. .long 0 /*Reserved */
  131. .long 0 /*Reserved */
  132. .long 0 /*Reserved */
  133. .long 0 /*Reserved */
  134. .long 0 /*Reserved */
  135. .long 0 /*Reserved */
  136. .long 0 /*Reserved */
  137. .long 0 /*Reserved */
  138. .long 0 /*Reserved */
  139. .long 0 /*Reserved */
  140. .long 0 /*Reserved */
  141. .long 0 /*Reserved */
  142. .long 0 /*Reserved */
  143. .long 0 /*Reserved */
  144. .long 0 /*Reserved */
  145. .long 0 /*Reserved */
  146. .long 0 /*Reserved */
  147. .long 0 /*Reserved */
  148. .long 0 /*Reserved */
  149. .long 0 /*Reserved */
  150. .long 0 /*Reserved */
  151. .long 0 /*Reserved */
  152. .long 0 /*Reserved */
  153. .long 0 /*Reserved */
  154. .long 0 /*Reserved */
  155. .long 0 /*Reserved */
  156. .long 0 /*Reserved */
  157. .long 0 /*Reserved */
  158. .long 0 /*Reserved */
  159. .long 0 /*Reserved */
  160. .long 0 /*Reserved */
  161. .long 0 /*Reserved */
  162. .long 0 /*Reserved */
  163. .long 0 /*Reserved */
  164. .long 0 /*Reserved */
  165. .long 0 /*Reserved */
  166. .long 0 /*Reserved */
  167. .long 0 /*Reserved */
  168. .long 0 /*Reserved */
  169. .long 0 /*Reserved */
  170. .long 0 /*Reserved */
  171. .long 0 /*Reserved */
  172. .long 0 /*Reserved */
  173. .long 0 /*Reserved */
  174. .long 0 /*Reserved */
  175. .long 0 /*Reserved */
  176. .long 0 /*Reserved */
  177. .long 0 /*Reserved */
  178. .long 0 /*Reserved */
  179. .long 0 /*Reserved */
  180. .long 0 /*Reserved */
  181. .long 0 /*Reserved */
  182. .long 0 /*Reserved */
  183. .long 0 /*Reserved */
  184. .long 0 /*Reserved */
  185. .long 0 /*Reserved */
  186. .long 0 /*Reserved */
  187. .long 0 /*Reserved */
  188. .long 0 /*Reserved */
  189. .long 0 /*Reserved */
  190. .long 0 /*Reserved */
  191. .long 0 /*Reserved */
  192. .long 0 /*Reserved */
  193. .long 0 /*Reserved */
  194. .long 0 /*Reserved */
  195. .long 0 /*Reserved */
  196. .long 0 /*Reserved */
  197. .long 0 /*Reserved */
  198. .long 0 /*Reserved */
  199. .long 0 /*Reserved */
  200. .long 0 /*Reserved */
  201. .long 0 /*Reserved */
  202. .long 0 /*Reserved */
  203. .long 0 /*Reserved */
  204. .long 0 /*Reserved */
  205. .long 0 /*Reserved */
  206. .long 0 /*Reserved */
  207. .long 0 /*Reserved */
  208. .long 0 /*Reserved */
  209. .size __isr_vector, . - __isr_vector
  210. /* Reset Handler */
  211. .text
  212. .thumb
  213. .thumb_func
  214. .align 1
  215. .globl Reset_Handler
  216. .type Reset_Handler, %function
  217. Reset_Handler:
  218. /* Loop to copy data from read only memory to RAM.
  219. * The ranges of copy from/to are specified by following symbols:
  220. * __etext: LMA of start of the section to copy from. Usually end of text
  221. * __data_start__: VMA of start of the section to copy to.
  222. * __bss_start__: VMA of end of the section to copy to. Normally __data_end__ is used, but by using __bss_start__
  223. * the user can add their own initialized data section before BSS section with the INSERT AFTER command.
  224. *
  225. * All addresses must be aligned to 4 bytes boundary.
  226. */
  227. #ifndef __STARTUP_SKIP_ETEXT
  228. ldr r1, =__etext
  229. ldr r2, =__data_start__
  230. ldr r3, =__bss_start__
  231. subs r3, r3, r2
  232. ble .L_loop1_done
  233. .L_loop1:
  234. subs r3, r3, #4
  235. ldr r0, [r1,r3]
  236. str r0, [r2,r3]
  237. bgt .L_loop1
  238. .L_loop1_done:
  239. #endif
  240. /* This part of work usually is done in C library startup code. Otherwise,
  241. * define __STARTUP_CLEAR_BSS to enable it in this startup. This section
  242. * clears the RAM where BSS data is located.
  243. *
  244. * The BSS section is specified by following symbols
  245. * __bss_start__: start of the BSS section.
  246. * __bss_end__: end of the BSS section.
  247. *
  248. * All addresses must be aligned to 4 bytes boundary.
  249. */
  250. #ifdef __STARTUP_CLEAR_BSS
  251. ldr r1, =__bss_start__
  252. ldr r2, =__bss_end__
  253. movs r0, 0
  254. subs r2, r2, r1
  255. ble .L_loop3_done
  256. .L_loop3:
  257. subs r2, r2, #4
  258. str r0, [r1, r2]
  259. bgt .L_loop3
  260. .L_loop3_done:
  261. #endif /* __STARTUP_CLEAR_BSS */
  262. /* Execute SystemInit function. */
  263. bl SystemInit
  264. /* Call _start function provided by libraries.
  265. * If those libraries are not accessible, define __START as your entry point.
  266. */
  267. #ifndef __START
  268. #define __START _start
  269. #endif
  270. bl __START
  271. .pool
  272. .size Reset_Handler,.-Reset_Handler
  273. .section ".text"
  274. /* Dummy Exception Handlers (infinite loops which can be modified) */
  275. .weak NMI_Handler
  276. .type NMI_Handler, %function
  277. NMI_Handler:
  278. b .
  279. .size NMI_Handler, . - NMI_Handler
  280. .weak HardFault_Handler
  281. .type HardFault_Handler, %function
  282. HardFault_Handler:
  283. b .
  284. .size HardFault_Handler, . - HardFault_Handler
  285. .weak MemoryManagement_Handler
  286. .type MemoryManagement_Handler, %function
  287. MemoryManagement_Handler:
  288. b .
  289. .size MemoryManagement_Handler, . - MemoryManagement_Handler
  290. .weak BusFault_Handler
  291. .type BusFault_Handler, %function
  292. BusFault_Handler:
  293. b .
  294. .size BusFault_Handler, . - BusFault_Handler
  295. .weak UsageFault_Handler
  296. .type UsageFault_Handler, %function
  297. UsageFault_Handler:
  298. b .
  299. .size UsageFault_Handler, . - UsageFault_Handler
  300. .weak SVC_Handler
  301. .type SVC_Handler, %function
  302. SVC_Handler:
  303. b .
  304. .size SVC_Handler, . - SVC_Handler
  305. .weak DebugMon_Handler
  306. .type DebugMon_Handler, %function
  307. DebugMon_Handler:
  308. b .
  309. .size DebugMon_Handler, . - DebugMon_Handler
  310. .weak PendSV_Handler
  311. .type PendSV_Handler, %function
  312. PendSV_Handler:
  313. b .
  314. .size PendSV_Handler, . - PendSV_Handler
  315. .weak SysTick_Handler
  316. .type SysTick_Handler, %function
  317. SysTick_Handler:
  318. b .
  319. .size SysTick_Handler, . - SysTick_Handler
  320. /* IRQ Handlers */
  321. .globl Default_Handler
  322. .type Default_Handler, %function
  323. Default_Handler:
  324. b .
  325. .size Default_Handler, . - Default_Handler
  326. .macro IRQ handler
  327. .weak \handler
  328. .set \handler, Default_Handler
  329. .endm
  330. IRQ CLOCK_POWER_IRQHandler
  331. IRQ RADIO_IRQHandler
  332. IRQ RNG_IRQHandler
  333. IRQ GPIOTE_IRQHandler
  334. IRQ WDT_IRQHandler
  335. IRQ TIMER0_IRQHandler
  336. IRQ ECB_IRQHandler
  337. IRQ AAR_CCM_IRQHandler
  338. IRQ TEMP_IRQHandler
  339. IRQ RTC0_IRQHandler
  340. IRQ IPC_IRQHandler
  341. IRQ SPIM0_SPIS0_TWIM0_TWIS0_UARTE0_IRQHandler
  342. IRQ EGU0_IRQHandler
  343. IRQ RTC1_IRQHandler
  344. IRQ TIMER1_IRQHandler
  345. IRQ TIMER2_IRQHandler
  346. IRQ SWI0_IRQHandler
  347. IRQ SWI1_IRQHandler
  348. IRQ SWI2_IRQHandler
  349. IRQ SWI3_IRQHandler
  350. .end