1 //*****************************************************************************
2 // MK22F25612 startup code for use with MCUXpresso IDE
3 //
4 // Version : 160420
5 //*****************************************************************************
6 //
7 // Copyright 2016-2020 NXP
8 // All rights reserved.
9 //
10 // SPDX-License-Identifier: BSD-3-Clause
11 //*****************************************************************************
12
13 #if defined (DEBUG)
14 #pragma GCC push_options
15 #pragma GCC optimize ("Og")
16 #endif // (DEBUG)
17
18 #if defined (__cplusplus)
19 #ifdef __REDLIB__
20 #error Redlib does not support C++
21 #else
22 //*****************************************************************************
23 //
24 // The entry point for the C++ library startup
25 //
26 //*****************************************************************************
27 extern "C" {
28 extern void __libc_init_array(void);
29 }
30 #endif
31 #endif
32
33 #define WEAK __attribute__ ((weak))
34 #define WEAK_AV __attribute__ ((weak, section(".after_vectors")))
35 #define ALIAS(f) __attribute__ ((weak, alias (#f)))
36
37 //*****************************************************************************
38 #if defined (__cplusplus)
39 extern "C" {
40 #endif
41
42 //*****************************************************************************
43 // Flash Configuration block : 16-byte flash configuration field that stores
44 // default protection settings (loaded on reset) and security information that
45 // allows the MCU to restrict access to the Flash Memory module.
46 // Placed at address 0x400 by the linker script.
47 //*****************************************************************************
48 __attribute__ ((used,section(".FlashConfig"))) const struct {
49 unsigned int word1;
50 unsigned int word2;
51 unsigned int word3;
52 unsigned int word4;
53 } Flash_Config = {0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFE};
54 //*****************************************************************************
55 // Declaration of external SystemInit function
56 //*****************************************************************************
57 #if defined (__USE_CMSIS)
58 extern void SystemInit(void);
59 #endif // (__USE_CMSIS)
60
61 //*****************************************************************************
62 // Forward declaration of the core exception handlers.
63 // When the application defines a handler (with the same name), this will
64 // automatically take precedence over these weak definitions.
65 // If your application is a C++ one, then any interrupt handlers defined
66 // in C++ files within in your main application will need to have C linkage
67 // rather than C++ linkage. To do this, make sure that you are using extern "C"
68 // { .... } around the interrupt handler within your main application code.
69 //*****************************************************************************
70 void ResetISR(void);
71 WEAK void NMI_Handler(void);
72 WEAK void HardFault_Handler(void);
73 WEAK void MemManage_Handler(void);
74 WEAK void BusFault_Handler(void);
75 WEAK void UsageFault_Handler(void);
76 WEAK void SVC_Handler(void);
77 WEAK void DebugMon_Handler(void);
78 WEAK void PendSV_Handler(void);
79 WEAK void SysTick_Handler(void);
80 WEAK void IntDefaultHandler(void);
81
82 //*****************************************************************************
83 // Forward declaration of the application IRQ handlers. When the application
84 // defines a handler (with the same name), this will automatically take
85 // precedence over weak definitions below
86 //*****************************************************************************
87 WEAK void DMA0_IRQHandler(void);
88 WEAK void DMA1_IRQHandler(void);
89 WEAK void DMA2_IRQHandler(void);
90 WEAK void DMA3_IRQHandler(void);
91 WEAK void DMA4_IRQHandler(void);
92 WEAK void DMA5_IRQHandler(void);
93 WEAK void DMA6_IRQHandler(void);
94 WEAK void DMA7_IRQHandler(void);
95 WEAK void DMA8_IRQHandler(void);
96 WEAK void DMA9_IRQHandler(void);
97 WEAK void DMA10_IRQHandler(void);
98 WEAK void DMA11_IRQHandler(void);
99 WEAK void DMA12_IRQHandler(void);
100 WEAK void DMA13_IRQHandler(void);
101 WEAK void DMA14_IRQHandler(void);
102 WEAK void DMA15_IRQHandler(void);
103 WEAK void DMA_Error_IRQHandler(void);
104 WEAK void MCM_IRQHandler(void);
105 WEAK void FTF_IRQHandler(void);
106 WEAK void Read_Collision_IRQHandler(void);
107 WEAK void LVD_LVW_IRQHandler(void);
108 WEAK void LLWU_IRQHandler(void);
109 WEAK void WDOG_EWM_IRQHandler(void);
110 WEAK void RNG_IRQHandler(void);
111 WEAK void I2C0_IRQHandler(void);
112 WEAK void I2C1_IRQHandler(void);
113 WEAK void SPI0_IRQHandler(void);
114 WEAK void SPI1_IRQHandler(void);
115 WEAK void I2S0_Tx_IRQHandler(void);
116 WEAK void I2S0_Rx_IRQHandler(void);
117 WEAK void LPUART0_IRQHandler(void);
118 WEAK void UART0_RX_TX_IRQHandler(void);
119 WEAK void UART0_ERR_IRQHandler(void);
120 WEAK void UART1_RX_TX_IRQHandler(void);
121 WEAK void UART1_ERR_IRQHandler(void);
122 WEAK void UART2_RX_TX_IRQHandler(void);
123 WEAK void UART2_ERR_IRQHandler(void);
124 WEAK void Reserved53_IRQHandler(void);
125 WEAK void Reserved54_IRQHandler(void);
126 WEAK void ADC0_IRQHandler(void);
127 WEAK void CMP0_IRQHandler(void);
128 WEAK void CMP1_IRQHandler(void);
129 WEAK void FTM0_IRQHandler(void);
130 WEAK void FTM1_IRQHandler(void);
131 WEAK void FTM2_IRQHandler(void);
132 WEAK void Reserved61_IRQHandler(void);
133 WEAK void RTC_IRQHandler(void);
134 WEAK void RTC_Seconds_IRQHandler(void);
135 WEAK void PIT0_IRQHandler(void);
136 WEAK void PIT1_IRQHandler(void);
137 WEAK void PIT2_IRQHandler(void);
138 WEAK void PIT3_IRQHandler(void);
139 WEAK void PDB0_IRQHandler(void);
140 WEAK void USB0_IRQHandler(void);
141 WEAK void Reserved70_IRQHandler(void);
142 WEAK void Reserved71_IRQHandler(void);
143 WEAK void DAC0_IRQHandler(void);
144 WEAK void MCG_IRQHandler(void);
145 WEAK void LPTMR0_IRQHandler(void);
146 WEAK void PORTA_IRQHandler(void);
147 WEAK void PORTB_IRQHandler(void);
148 WEAK void PORTC_IRQHandler(void);
149 WEAK void PORTD_IRQHandler(void);
150 WEAK void PORTE_IRQHandler(void);
151 WEAK void SWI_IRQHandler(void);
152 WEAK void Reserved81_IRQHandler(void);
153 WEAK void Reserved82_IRQHandler(void);
154 WEAK void Reserved83_IRQHandler(void);
155 WEAK void Reserved84_IRQHandler(void);
156 WEAK void Reserved85_IRQHandler(void);
157 WEAK void Reserved86_IRQHandler(void);
158 WEAK void Reserved87_IRQHandler(void);
159 WEAK void Reserved88_IRQHandler(void);
160 WEAK void ADC1_IRQHandler(void);
161
162 //*****************************************************************************
163 // Forward declaration of the driver IRQ handlers. These are aliased
164 // to the IntDefaultHandler, which is a 'forever' loop. When the driver
165 // defines a handler (with the same name), this will automatically take
166 // precedence over these weak definitions
167 //*****************************************************************************
168 void DMA0_DriverIRQHandler(void) ALIAS(IntDefaultHandler);
169 void DMA1_DriverIRQHandler(void) ALIAS(IntDefaultHandler);
170 void DMA2_DriverIRQHandler(void) ALIAS(IntDefaultHandler);
171 void DMA3_DriverIRQHandler(void) ALIAS(IntDefaultHandler);
172 void DMA4_DriverIRQHandler(void) ALIAS(IntDefaultHandler);
173 void DMA5_DriverIRQHandler(void) ALIAS(IntDefaultHandler);
174 void DMA6_DriverIRQHandler(void) ALIAS(IntDefaultHandler);
175 void DMA7_DriverIRQHandler(void) ALIAS(IntDefaultHandler);
176 void DMA8_DriverIRQHandler(void) ALIAS(IntDefaultHandler);
177 void DMA9_DriverIRQHandler(void) ALIAS(IntDefaultHandler);
178 void DMA10_DriverIRQHandler(void) ALIAS(IntDefaultHandler);
179 void DMA11_DriverIRQHandler(void) ALIAS(IntDefaultHandler);
180 void DMA12_DriverIRQHandler(void) ALIAS(IntDefaultHandler);
181 void DMA13_DriverIRQHandler(void) ALIAS(IntDefaultHandler);
182 void DMA14_DriverIRQHandler(void) ALIAS(IntDefaultHandler);
183 void DMA15_DriverIRQHandler(void) ALIAS(IntDefaultHandler);
184 void DMA_Error_DriverIRQHandler(void) ALIAS(IntDefaultHandler);
185 void MCM_DriverIRQHandler(void) ALIAS(IntDefaultHandler);
186 void FTF_DriverIRQHandler(void) ALIAS(IntDefaultHandler);
187 void Read_Collision_DriverIRQHandler(void) ALIAS(IntDefaultHandler);
188 void LVD_LVW_DriverIRQHandler(void) ALIAS(IntDefaultHandler);
189 void LLWU_DriverIRQHandler(void) ALIAS(IntDefaultHandler);
190 void WDOG_EWM_DriverIRQHandler(void) ALIAS(IntDefaultHandler);
191 void RNG_DriverIRQHandler(void) ALIAS(IntDefaultHandler);
192 void I2C0_DriverIRQHandler(void) ALIAS(IntDefaultHandler);
193 void I2C1_DriverIRQHandler(void) ALIAS(IntDefaultHandler);
194 void SPI0_DriverIRQHandler(void) ALIAS(IntDefaultHandler);
195 void SPI1_DriverIRQHandler(void) ALIAS(IntDefaultHandler);
196 void I2S0_Tx_DriverIRQHandler(void) ALIAS(IntDefaultHandler);
197 void I2S0_Rx_DriverIRQHandler(void) ALIAS(IntDefaultHandler);
198 void LPUART0_DriverIRQHandler(void) ALIAS(IntDefaultHandler);
199 void UART0_RX_TX_DriverIRQHandler(void) ALIAS(IntDefaultHandler);
200 void UART0_ERR_DriverIRQHandler(void) ALIAS(IntDefaultHandler);
201 void UART1_RX_TX_DriverIRQHandler(void) ALIAS(IntDefaultHandler);
202 void UART1_ERR_DriverIRQHandler(void) ALIAS(IntDefaultHandler);
203 void UART2_RX_TX_DriverIRQHandler(void) ALIAS(IntDefaultHandler);
204 void UART2_ERR_DriverIRQHandler(void) ALIAS(IntDefaultHandler);
205 void Reserved53_DriverIRQHandler(void) ALIAS(IntDefaultHandler);
206 void Reserved54_DriverIRQHandler(void) ALIAS(IntDefaultHandler);
207 void ADC0_DriverIRQHandler(void) ALIAS(IntDefaultHandler);
208 void CMP0_DriverIRQHandler(void) ALIAS(IntDefaultHandler);
209 void CMP1_DriverIRQHandler(void) ALIAS(IntDefaultHandler);
210 void FTM0_DriverIRQHandler(void) ALIAS(IntDefaultHandler);
211 void FTM1_DriverIRQHandler(void) ALIAS(IntDefaultHandler);
212 void FTM2_DriverIRQHandler(void) ALIAS(IntDefaultHandler);
213 void Reserved61_DriverIRQHandler(void) ALIAS(IntDefaultHandler);
214 void RTC_DriverIRQHandler(void) ALIAS(IntDefaultHandler);
215 void RTC_Seconds_DriverIRQHandler(void) ALIAS(IntDefaultHandler);
216 void PIT0_DriverIRQHandler(void) ALIAS(IntDefaultHandler);
217 void PIT1_DriverIRQHandler(void) ALIAS(IntDefaultHandler);
218 void PIT2_DriverIRQHandler(void) ALIAS(IntDefaultHandler);
219 void PIT3_DriverIRQHandler(void) ALIAS(IntDefaultHandler);
220 void PDB0_DriverIRQHandler(void) ALIAS(IntDefaultHandler);
221 void USB0_DriverIRQHandler(void) ALIAS(IntDefaultHandler);
222 void Reserved70_DriverIRQHandler(void) ALIAS(IntDefaultHandler);
223 void Reserved71_DriverIRQHandler(void) ALIAS(IntDefaultHandler);
224 void DAC0_DriverIRQHandler(void) ALIAS(IntDefaultHandler);
225 void MCG_DriverIRQHandler(void) ALIAS(IntDefaultHandler);
226 void LPTMR0_DriverIRQHandler(void) ALIAS(IntDefaultHandler);
227 void PORTA_DriverIRQHandler(void) ALIAS(IntDefaultHandler);
228 void PORTB_DriverIRQHandler(void) ALIAS(IntDefaultHandler);
229 void PORTC_DriverIRQHandler(void) ALIAS(IntDefaultHandler);
230 void PORTD_DriverIRQHandler(void) ALIAS(IntDefaultHandler);
231 void PORTE_DriverIRQHandler(void) ALIAS(IntDefaultHandler);
232 void SWI_DriverIRQHandler(void) ALIAS(IntDefaultHandler);
233 void Reserved81_DriverIRQHandler(void) ALIAS(IntDefaultHandler);
234 void Reserved82_DriverIRQHandler(void) ALIAS(IntDefaultHandler);
235 void Reserved83_DriverIRQHandler(void) ALIAS(IntDefaultHandler);
236 void Reserved84_DriverIRQHandler(void) ALIAS(IntDefaultHandler);
237 void Reserved85_DriverIRQHandler(void) ALIAS(IntDefaultHandler);
238 void Reserved86_DriverIRQHandler(void) ALIAS(IntDefaultHandler);
239 void Reserved87_DriverIRQHandler(void) ALIAS(IntDefaultHandler);
240 void Reserved88_DriverIRQHandler(void) ALIAS(IntDefaultHandler);
241 void ADC1_DriverIRQHandler(void) ALIAS(IntDefaultHandler);
242
243 //*****************************************************************************
244 // The entry point for the application.
245 // __main() is the entry point for Redlib based applications
246 // main() is the entry point for Newlib based applications
247 //*****************************************************************************
248 #if defined (__REDLIB__)
249 extern void __main(void);
250 #endif
251 extern int main(void);
252
253 //*****************************************************************************
254 // External declaration for the pointer to the stack top from the Linker Script
255 //*****************************************************************************
256 extern void _vStackTop(void);
257 //*****************************************************************************
258 #if defined (__cplusplus)
259 } // extern "C"
260 #endif
261 //*****************************************************************************
262 // The vector table.
263 // This relies on the linker script to place at correct location in memory.
264 //*****************************************************************************
265
266
267
268 extern void (* const g_pfnVectors[])(void);
269 extern void * __Vectors __attribute__ ((alias ("g_pfnVectors")));
270
271 __attribute__ ((used, section(".isr_vector")))
272 void (* const g_pfnVectors[])(void) = {
273 // Core Level - CM4
274 &_vStackTop, // The initial stack pointer
275 ResetISR, // The reset handler
276 NMI_Handler, // The NMI handler
277 HardFault_Handler, // The hard fault handler
278 MemManage_Handler, // The MPU fault handler
279 BusFault_Handler, // The bus fault handler
280 UsageFault_Handler, // The usage fault handler
281 0, // Reserved
282 0, // Reserved
283 0, // Reserved
284 0, // Reserved
285 SVC_Handler, // SVCall handler
286 DebugMon_Handler, // Debug monitor handler
287 0, // Reserved
288 PendSV_Handler, // The PendSV handler
289 SysTick_Handler, // The SysTick handler
290
291 // Chip Level - MK22F25612
292 DMA0_IRQHandler, // 16: DMA Channel 0 Transfer Complete
293 DMA1_IRQHandler, // 17: DMA Channel 1 Transfer Complete
294 DMA2_IRQHandler, // 18: DMA Channel 2 Transfer Complete
295 DMA3_IRQHandler, // 19: DMA Channel 3 Transfer Complete
296 DMA4_IRQHandler, // 20: DMA Channel 4 Transfer Complete
297 DMA5_IRQHandler, // 21: DMA Channel 5 Transfer Complete
298 DMA6_IRQHandler, // 22: DMA Channel 6 Transfer Complete
299 DMA7_IRQHandler, // 23: DMA Channel 7 Transfer Complete
300 DMA8_IRQHandler, // 24: DMA Channel 8 Transfer Complete
301 DMA9_IRQHandler, // 25: DMA Channel 9 Transfer Complete
302 DMA10_IRQHandler, // 26: DMA Channel 10 Transfer Complete
303 DMA11_IRQHandler, // 27: DMA Channel 11 Transfer Complete
304 DMA12_IRQHandler, // 28: DMA Channel 12 Transfer Complete
305 DMA13_IRQHandler, // 29: DMA Channel 13 Transfer Complete
306 DMA14_IRQHandler, // 30: DMA Channel 14 Transfer Complete
307 DMA15_IRQHandler, // 31: DMA Channel 15 Transfer Complete
308 DMA_Error_IRQHandler, // 32: DMA Error Interrupt
309 MCM_IRQHandler, // 33: Normal Interrupt
310 FTF_IRQHandler, // 34: FTFA Command complete interrupt
311 Read_Collision_IRQHandler, // 35: Read Collision Interrupt
312 LVD_LVW_IRQHandler, // 36: Low Voltage Detect, Low Voltage Warning
313 LLWU_IRQHandler, // 37: Low Leakage Wakeup Unit
314 WDOG_EWM_IRQHandler, // 38: WDOG Interrupt
315 RNG_IRQHandler, // 39: RNG Interrupt
316 I2C0_IRQHandler, // 40: I2C0 interrupt
317 I2C1_IRQHandler, // 41: I2C1 interrupt
318 SPI0_IRQHandler, // 42: SPI0 Interrupt
319 SPI1_IRQHandler, // 43: SPI1 Interrupt
320 I2S0_Tx_IRQHandler, // 44: I2S0 transmit interrupt
321 I2S0_Rx_IRQHandler, // 45: I2S0 receive interrupt
322 LPUART0_IRQHandler, // 46: LPUART0 status/error interrupt
323 UART0_RX_TX_IRQHandler, // 47: UART0 Receive/Transmit interrupt
324 UART0_ERR_IRQHandler, // 48: UART0 Error interrupt
325 UART1_RX_TX_IRQHandler, // 49: UART1 Receive/Transmit interrupt
326 UART1_ERR_IRQHandler, // 50: UART1 Error interrupt
327 UART2_RX_TX_IRQHandler, // 51: UART2 Receive/Transmit interrupt
328 UART2_ERR_IRQHandler, // 52: UART2 Error interrupt
329 Reserved53_IRQHandler, // 53: Reserved interrupt
330 Reserved54_IRQHandler, // 54: Reserved interrupt
331 ADC0_IRQHandler, // 55: ADC0 interrupt
332 CMP0_IRQHandler, // 56: CMP0 interrupt
333 CMP1_IRQHandler, // 57: CMP1 interrupt
334 FTM0_IRQHandler, // 58: FTM0 fault, overflow and channels interrupt
335 FTM1_IRQHandler, // 59: FTM1 fault, overflow and channels interrupt
336 FTM2_IRQHandler, // 60: FTM2 fault, overflow and channels interrupt
337 Reserved61_IRQHandler, // 61: Reserved interrupt
338 RTC_IRQHandler, // 62: RTC interrupt
339 RTC_Seconds_IRQHandler, // 63: RTC seconds interrupt
340 PIT0_IRQHandler, // 64: PIT timer channel 0 interrupt
341 PIT1_IRQHandler, // 65: PIT timer channel 1 interrupt
342 PIT2_IRQHandler, // 66: PIT timer channel 2 interrupt
343 PIT3_IRQHandler, // 67: PIT timer channel 3 interrupt
344 PDB0_IRQHandler, // 68: PDB0 Interrupt
345 USB0_IRQHandler, // 69: USB0 interrupt
346 Reserved70_IRQHandler, // 70: Reserved interrupt
347 Reserved71_IRQHandler, // 71: Reserved interrupt
348 DAC0_IRQHandler, // 72: DAC0 interrupt
349 MCG_IRQHandler, // 73: MCG Interrupt
350 LPTMR0_IRQHandler, // 74: LPTimer interrupt
351 PORTA_IRQHandler, // 75: Port A interrupt
352 PORTB_IRQHandler, // 76: Port B interrupt
353 PORTC_IRQHandler, // 77: Port C interrupt
354 PORTD_IRQHandler, // 78: Port D interrupt
355 PORTE_IRQHandler, // 79: Port E interrupt
356 SWI_IRQHandler, // 80: Software interrupt
357 Reserved81_IRQHandler, // 81: Reserved interrupt
358 Reserved82_IRQHandler, // 82: Reserved interrupt
359 Reserved83_IRQHandler, // 83: Reserved interrupt
360 Reserved84_IRQHandler, // 84: Reserved interrupt
361 Reserved85_IRQHandler, // 85: Reserved interrupt
362 Reserved86_IRQHandler, // 86: Reserved interrupt
363 Reserved87_IRQHandler, // 87: Reserved interrupt
364 Reserved88_IRQHandler, // 88: Reserved interrupt
365 ADC1_IRQHandler, // 89: ADC1 interrupt
366
367
368 }; /* End of g_pfnVectors */
369
370 //*****************************************************************************
371 // Functions to carry out the initialization of RW and BSS data sections. These
372 // are written as separate functions rather than being inlined within the
373 // ResetISR() function in order to cope with MCUs with multiple banks of
374 // memory.
375 //*****************************************************************************
376 __attribute__ ((section(".after_vectors.init_data")))
data_init(unsigned int romstart,unsigned int start,unsigned int len)377 void data_init(unsigned int romstart, unsigned int start, unsigned int len) {
378 unsigned int *pulDest = (unsigned int*) start;
379 unsigned int *pulSrc = (unsigned int*) romstart;
380 unsigned int loop;
381 for (loop = 0; loop < len; loop = loop + 4)
382 *pulDest++ = *pulSrc++;
383 }
384
385 __attribute__ ((section(".after_vectors.init_bss")))
bss_init(unsigned int start,unsigned int len)386 void bss_init(unsigned int start, unsigned int len) {
387 unsigned int *pulDest = (unsigned int*) start;
388 unsigned int loop;
389 for (loop = 0; loop < len; loop = loop + 4)
390 *pulDest++ = 0;
391 }
392
393 //*****************************************************************************
394 // The following symbols are constructs generated by the linker, indicating
395 // the location of various points in the "Global Section Table". This table is
396 // created by the linker via the Code Red managed linker script mechanism. It
397 // contains the load address, execution address and length of each RW data
398 // section and the execution and length of each BSS (zero initialized) section.
399 //*****************************************************************************
400 extern unsigned int __data_section_table;
401 extern unsigned int __data_section_table_end;
402 extern unsigned int __bss_section_table;
403 extern unsigned int __bss_section_table_end;
404
405 //*****************************************************************************
406 // Reset entry point for your code.
407 // Sets up a simple runtime environment and initializes the C/C++
408 // library.
409 //*****************************************************************************
410 __attribute__ ((naked, section(".after_vectors.reset")))
ResetISR(void)411 void ResetISR(void) {
412
413 // Disable interrupts
414 __asm volatile ("cpsid i");
415
416
417 #if defined (__USE_CMSIS)
418 // If __USE_CMSIS defined, then call CMSIS SystemInit code
419 SystemInit();
420
421 #else
422 // Disable Watchdog
423 // Write 0xC520 to watchdog unlock register
424 *((volatile unsigned short *)0x4005200E) = 0xC520;
425 // Followed by 0xD928 to complete the unlock
426 *((volatile unsigned short *)0x4005200E) = 0xD928;
427 // Now disable watchdog via STCTRLH register
428 *((volatile unsigned short *)0x40052000) = 0x01D2u;
429 #endif // (__USE_CMSIS)
430
431 //
432 // Copy the data sections from flash to SRAM.
433 //
434 unsigned int LoadAddr, ExeAddr, SectionLen;
435 unsigned int *SectionTableAddr;
436
437 // Load base address of Global Section Table
438 SectionTableAddr = &__data_section_table;
439
440 // Copy the data sections from flash to SRAM.
441 while (SectionTableAddr < &__data_section_table_end) {
442 LoadAddr = *SectionTableAddr++;
443 ExeAddr = *SectionTableAddr++;
444 SectionLen = *SectionTableAddr++;
445 data_init(LoadAddr, ExeAddr, SectionLen);
446 }
447
448 // At this point, SectionTableAddr = &__bss_section_table;
449 // Zero fill the bss segment
450 while (SectionTableAddr < &__bss_section_table_end) {
451 ExeAddr = *SectionTableAddr++;
452 SectionLen = *SectionTableAddr++;
453 bss_init(ExeAddr, SectionLen);
454 }
455
456 #if !defined (__USE_CMSIS)
457 // Assume that if __USE_CMSIS defined, then CMSIS SystemInit code
458 // will enable the FPU
459 #if defined (__VFP_FP__) && !defined (__SOFTFP__)
460 //
461 // Code to enable the Cortex-M4 FPU only included
462 // if appropriate build options have been selected.
463 // Code taken from Section 7.1, Cortex-M4 TRM (DDI0439C)
464 //
465 // Read CPACR (located at address 0xE000ED88)
466 // Set bits 20-23 to enable CP10 and CP11 coprocessors
467 // Write back the modified value to the CPACR
468 asm volatile ("LDR.W R0, =0xE000ED88\n\t"
469 "LDR R1, [R0]\n\t"
470 "ORR R1, R1, #(0xF << 20)\n\t"
471 "STR R1, [R0]");
472 #endif // (__VFP_FP__) && !(__SOFTFP__)
473 #endif // (__USE_CMSIS)
474
475
476 #if !defined (__USE_CMSIS)
477 // Assume that if __USE_CMSIS defined, then CMSIS SystemInit code
478 // will setup the VTOR register
479
480 // Check to see if we are running the code from a non-zero
481 // address (eg RAM, external flash), in which case we need
482 // to modify the VTOR register to tell the CPU that the
483 // vector table is located at a non-0x0 address.
484 unsigned int * pSCB_VTOR = (unsigned int *) 0xE000ED08;
485 if ((unsigned int *)g_pfnVectors!=(unsigned int *) 0x00000000) {
486 *pSCB_VTOR = (unsigned int)g_pfnVectors;
487 }
488 #endif // (__USE_CMSIS)
489 #if defined (__cplusplus)
490 //
491 // Call C++ library initialisation
492 //
493 __libc_init_array();
494 #endif
495
496 // Reenable interrupts
497 __asm volatile ("cpsie i");
498
499 #if defined (__REDLIB__)
500 // Call the Redlib library, which in turn calls main()
501 __main();
502 #else
503 main();
504 #endif
505
506 //
507 // main() shouldn't return, but if it does, we'll just enter an infinite loop
508 //
509 while (1) {
510 ;
511 }
512 }
513
514 //*****************************************************************************
515 // Default core exception handlers. Override the ones here by defining your own
516 // handler routines in your application code.
517 //*****************************************************************************
NMI_Handler(void)518 WEAK_AV void NMI_Handler(void)
519 { while(1) {}
520 }
521
HardFault_Handler(void)522 WEAK_AV void HardFault_Handler(void)
523 { while(1) {}
524 }
525
MemManage_Handler(void)526 WEAK_AV void MemManage_Handler(void)
527 { while(1) {}
528 }
529
BusFault_Handler(void)530 WEAK_AV void BusFault_Handler(void)
531 { while(1) {}
532 }
533
UsageFault_Handler(void)534 WEAK_AV void UsageFault_Handler(void)
535 { while(1) {}
536 }
537
SVC_Handler(void)538 WEAK_AV void SVC_Handler(void)
539 { while(1) {}
540 }
541
DebugMon_Handler(void)542 WEAK_AV void DebugMon_Handler(void)
543 { while(1) {}
544 }
545
PendSV_Handler(void)546 WEAK_AV void PendSV_Handler(void)
547 { while(1) {}
548 }
549
SysTick_Handler(void)550 WEAK_AV void SysTick_Handler(void)
551 { while(1) {}
552 }
553
554 //*****************************************************************************
555 // Processor ends up here if an unexpected interrupt occurs or a specific
556 // handler is not present in the application code.
557 //*****************************************************************************
IntDefaultHandler(void)558 WEAK_AV void IntDefaultHandler(void)
559 { while(1) {}
560 }
561
562 //*****************************************************************************
563 // Default application exception handlers. Override the ones here by defining
564 // your own handler routines in your application code. These routines call
565 // driver exception handlers or IntDefaultHandler() if no driver exception
566 // handler is included.
567 //*****************************************************************************
DMA0_IRQHandler(void)568 WEAK void DMA0_IRQHandler(void)
569 { DMA0_DriverIRQHandler();
570 }
571
DMA1_IRQHandler(void)572 WEAK void DMA1_IRQHandler(void)
573 { DMA1_DriverIRQHandler();
574 }
575
DMA2_IRQHandler(void)576 WEAK void DMA2_IRQHandler(void)
577 { DMA2_DriverIRQHandler();
578 }
579
DMA3_IRQHandler(void)580 WEAK void DMA3_IRQHandler(void)
581 { DMA3_DriverIRQHandler();
582 }
583
DMA4_IRQHandler(void)584 WEAK void DMA4_IRQHandler(void)
585 { DMA4_DriverIRQHandler();
586 }
587
DMA5_IRQHandler(void)588 WEAK void DMA5_IRQHandler(void)
589 { DMA5_DriverIRQHandler();
590 }
591
DMA6_IRQHandler(void)592 WEAK void DMA6_IRQHandler(void)
593 { DMA6_DriverIRQHandler();
594 }
595
DMA7_IRQHandler(void)596 WEAK void DMA7_IRQHandler(void)
597 { DMA7_DriverIRQHandler();
598 }
599
DMA8_IRQHandler(void)600 WEAK void DMA8_IRQHandler(void)
601 { DMA8_DriverIRQHandler();
602 }
603
DMA9_IRQHandler(void)604 WEAK void DMA9_IRQHandler(void)
605 { DMA9_DriverIRQHandler();
606 }
607
DMA10_IRQHandler(void)608 WEAK void DMA10_IRQHandler(void)
609 { DMA10_DriverIRQHandler();
610 }
611
DMA11_IRQHandler(void)612 WEAK void DMA11_IRQHandler(void)
613 { DMA11_DriverIRQHandler();
614 }
615
DMA12_IRQHandler(void)616 WEAK void DMA12_IRQHandler(void)
617 { DMA12_DriverIRQHandler();
618 }
619
DMA13_IRQHandler(void)620 WEAK void DMA13_IRQHandler(void)
621 { DMA13_DriverIRQHandler();
622 }
623
DMA14_IRQHandler(void)624 WEAK void DMA14_IRQHandler(void)
625 { DMA14_DriverIRQHandler();
626 }
627
DMA15_IRQHandler(void)628 WEAK void DMA15_IRQHandler(void)
629 { DMA15_DriverIRQHandler();
630 }
631
DMA_Error_IRQHandler(void)632 WEAK void DMA_Error_IRQHandler(void)
633 { DMA_Error_DriverIRQHandler();
634 }
635
MCM_IRQHandler(void)636 WEAK void MCM_IRQHandler(void)
637 { MCM_DriverIRQHandler();
638 }
639
FTF_IRQHandler(void)640 WEAK void FTF_IRQHandler(void)
641 { FTF_DriverIRQHandler();
642 }
643
Read_Collision_IRQHandler(void)644 WEAK void Read_Collision_IRQHandler(void)
645 { Read_Collision_DriverIRQHandler();
646 }
647
LVD_LVW_IRQHandler(void)648 WEAK void LVD_LVW_IRQHandler(void)
649 { LVD_LVW_DriverIRQHandler();
650 }
651
LLWU_IRQHandler(void)652 WEAK void LLWU_IRQHandler(void)
653 { LLWU_DriverIRQHandler();
654 }
655
WDOG_EWM_IRQHandler(void)656 WEAK void WDOG_EWM_IRQHandler(void)
657 { WDOG_EWM_DriverIRQHandler();
658 }
659
RNG_IRQHandler(void)660 WEAK void RNG_IRQHandler(void)
661 { RNG_DriverIRQHandler();
662 }
663
I2C0_IRQHandler(void)664 WEAK void I2C0_IRQHandler(void)
665 { I2C0_DriverIRQHandler();
666 }
667
I2C1_IRQHandler(void)668 WEAK void I2C1_IRQHandler(void)
669 { I2C1_DriverIRQHandler();
670 }
671
SPI0_IRQHandler(void)672 WEAK void SPI0_IRQHandler(void)
673 { SPI0_DriverIRQHandler();
674 }
675
SPI1_IRQHandler(void)676 WEAK void SPI1_IRQHandler(void)
677 { SPI1_DriverIRQHandler();
678 }
679
I2S0_Tx_IRQHandler(void)680 WEAK void I2S0_Tx_IRQHandler(void)
681 { I2S0_Tx_DriverIRQHandler();
682 }
683
I2S0_Rx_IRQHandler(void)684 WEAK void I2S0_Rx_IRQHandler(void)
685 { I2S0_Rx_DriverIRQHandler();
686 }
687
LPUART0_IRQHandler(void)688 WEAK void LPUART0_IRQHandler(void)
689 { LPUART0_DriverIRQHandler();
690 }
691
UART0_RX_TX_IRQHandler(void)692 WEAK void UART0_RX_TX_IRQHandler(void)
693 { UART0_RX_TX_DriverIRQHandler();
694 }
695
UART0_ERR_IRQHandler(void)696 WEAK void UART0_ERR_IRQHandler(void)
697 { UART0_ERR_DriverIRQHandler();
698 }
699
UART1_RX_TX_IRQHandler(void)700 WEAK void UART1_RX_TX_IRQHandler(void)
701 { UART1_RX_TX_DriverIRQHandler();
702 }
703
UART1_ERR_IRQHandler(void)704 WEAK void UART1_ERR_IRQHandler(void)
705 { UART1_ERR_DriverIRQHandler();
706 }
707
UART2_RX_TX_IRQHandler(void)708 WEAK void UART2_RX_TX_IRQHandler(void)
709 { UART2_RX_TX_DriverIRQHandler();
710 }
711
UART2_ERR_IRQHandler(void)712 WEAK void UART2_ERR_IRQHandler(void)
713 { UART2_ERR_DriverIRQHandler();
714 }
715
Reserved53_IRQHandler(void)716 WEAK void Reserved53_IRQHandler(void)
717 { Reserved53_DriverIRQHandler();
718 }
719
Reserved54_IRQHandler(void)720 WEAK void Reserved54_IRQHandler(void)
721 { Reserved54_DriverIRQHandler();
722 }
723
ADC0_IRQHandler(void)724 WEAK void ADC0_IRQHandler(void)
725 { ADC0_DriverIRQHandler();
726 }
727
CMP0_IRQHandler(void)728 WEAK void CMP0_IRQHandler(void)
729 { CMP0_DriverIRQHandler();
730 }
731
CMP1_IRQHandler(void)732 WEAK void CMP1_IRQHandler(void)
733 { CMP1_DriverIRQHandler();
734 }
735
FTM0_IRQHandler(void)736 WEAK void FTM0_IRQHandler(void)
737 { FTM0_DriverIRQHandler();
738 }
739
FTM1_IRQHandler(void)740 WEAK void FTM1_IRQHandler(void)
741 { FTM1_DriverIRQHandler();
742 }
743
FTM2_IRQHandler(void)744 WEAK void FTM2_IRQHandler(void)
745 { FTM2_DriverIRQHandler();
746 }
747
Reserved61_IRQHandler(void)748 WEAK void Reserved61_IRQHandler(void)
749 { Reserved61_DriverIRQHandler();
750 }
751
RTC_IRQHandler(void)752 WEAK void RTC_IRQHandler(void)
753 { RTC_DriverIRQHandler();
754 }
755
RTC_Seconds_IRQHandler(void)756 WEAK void RTC_Seconds_IRQHandler(void)
757 { RTC_Seconds_DriverIRQHandler();
758 }
759
PIT0_IRQHandler(void)760 WEAK void PIT0_IRQHandler(void)
761 { PIT0_DriverIRQHandler();
762 }
763
PIT1_IRQHandler(void)764 WEAK void PIT1_IRQHandler(void)
765 { PIT1_DriverIRQHandler();
766 }
767
PIT2_IRQHandler(void)768 WEAK void PIT2_IRQHandler(void)
769 { PIT2_DriverIRQHandler();
770 }
771
PIT3_IRQHandler(void)772 WEAK void PIT3_IRQHandler(void)
773 { PIT3_DriverIRQHandler();
774 }
775
PDB0_IRQHandler(void)776 WEAK void PDB0_IRQHandler(void)
777 { PDB0_DriverIRQHandler();
778 }
779
USB0_IRQHandler(void)780 WEAK void USB0_IRQHandler(void)
781 { USB0_DriverIRQHandler();
782 }
783
Reserved70_IRQHandler(void)784 WEAK void Reserved70_IRQHandler(void)
785 { Reserved70_DriverIRQHandler();
786 }
787
Reserved71_IRQHandler(void)788 WEAK void Reserved71_IRQHandler(void)
789 { Reserved71_DriverIRQHandler();
790 }
791
DAC0_IRQHandler(void)792 WEAK void DAC0_IRQHandler(void)
793 { DAC0_DriverIRQHandler();
794 }
795
MCG_IRQHandler(void)796 WEAK void MCG_IRQHandler(void)
797 { MCG_DriverIRQHandler();
798 }
799
LPTMR0_IRQHandler(void)800 WEAK void LPTMR0_IRQHandler(void)
801 { LPTMR0_DriverIRQHandler();
802 }
803
PORTA_IRQHandler(void)804 WEAK void PORTA_IRQHandler(void)
805 { PORTA_DriverIRQHandler();
806 }
807
PORTB_IRQHandler(void)808 WEAK void PORTB_IRQHandler(void)
809 { PORTB_DriverIRQHandler();
810 }
811
PORTC_IRQHandler(void)812 WEAK void PORTC_IRQHandler(void)
813 { PORTC_DriverIRQHandler();
814 }
815
PORTD_IRQHandler(void)816 WEAK void PORTD_IRQHandler(void)
817 { PORTD_DriverIRQHandler();
818 }
819
PORTE_IRQHandler(void)820 WEAK void PORTE_IRQHandler(void)
821 { PORTE_DriverIRQHandler();
822 }
823
SWI_IRQHandler(void)824 WEAK void SWI_IRQHandler(void)
825 { SWI_DriverIRQHandler();
826 }
827
Reserved81_IRQHandler(void)828 WEAK void Reserved81_IRQHandler(void)
829 { Reserved81_DriverIRQHandler();
830 }
831
Reserved82_IRQHandler(void)832 WEAK void Reserved82_IRQHandler(void)
833 { Reserved82_DriverIRQHandler();
834 }
835
Reserved83_IRQHandler(void)836 WEAK void Reserved83_IRQHandler(void)
837 { Reserved83_DriverIRQHandler();
838 }
839
Reserved84_IRQHandler(void)840 WEAK void Reserved84_IRQHandler(void)
841 { Reserved84_DriverIRQHandler();
842 }
843
Reserved85_IRQHandler(void)844 WEAK void Reserved85_IRQHandler(void)
845 { Reserved85_DriverIRQHandler();
846 }
847
Reserved86_IRQHandler(void)848 WEAK void Reserved86_IRQHandler(void)
849 { Reserved86_DriverIRQHandler();
850 }
851
Reserved87_IRQHandler(void)852 WEAK void Reserved87_IRQHandler(void)
853 { Reserved87_DriverIRQHandler();
854 }
855
Reserved88_IRQHandler(void)856 WEAK void Reserved88_IRQHandler(void)
857 { Reserved88_DriverIRQHandler();
858 }
859
ADC1_IRQHandler(void)860 WEAK void ADC1_IRQHandler(void)
861 { ADC1_DriverIRQHandler();
862 }
863
864 //*****************************************************************************
865
866 #if defined (DEBUG)
867 #pragma GCC pop_options
868 #endif // (DEBUG)
869
