1 //*****************************************************************************
2 // LPC54S018M 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 // Variable to store CRP value in. Will be placed automatically
44 // by the linker when "Enable Code Read Protect" selected.
45 // See crp.h header for more information
46 //*****************************************************************************
47 #include <NXP/crp.h>
48 __CRP const unsigned int CRP_WORD = CRP_NO_CRP ;
49
50 //*****************************************************************************
51 // Declaration of external SystemInit function
52 //*****************************************************************************
53 #if defined (__USE_CMSIS)
54 extern void SystemInit(void);
55 #endif // (__USE_CMSIS)
56
57 //*****************************************************************************
58 // Forward declaration of the core exception handlers.
59 // When the application defines a handler (with the same name), this will
60 // automatically take precedence over these weak definitions.
61 // If your application is a C++ one, then any interrupt handlers defined
62 // in C++ files within in your main application will need to have C linkage
63 // rather than C++ linkage. To do this, make sure that you are using extern "C"
64 // { .... } around the interrupt handler within your main application code.
65 //*****************************************************************************
66 void ResetISR(void);
67 WEAK void NMI_Handler(void);
68 WEAK void HardFault_Handler(void);
69 WEAK void MemManage_Handler(void);
70 WEAK void BusFault_Handler(void);
71 WEAK void UsageFault_Handler(void);
72 WEAK void SVC_Handler(void);
73 WEAK void DebugMon_Handler(void);
74 WEAK void PendSV_Handler(void);
75 WEAK void SysTick_Handler(void);
76 WEAK void IntDefaultHandler(void);
77
78 //*****************************************************************************
79 // Forward declaration of the application IRQ handlers. When the application
80 // defines a handler (with the same name), this will automatically take
81 // precedence over weak definitions below
82 //*****************************************************************************
83 WEAK void WDT_BOD_IRQHandler(void);
84 WEAK void DMA0_IRQHandler(void);
85 WEAK void GINT0_IRQHandler(void);
86 WEAK void GINT1_IRQHandler(void);
87 WEAK void PIN_INT0_IRQHandler(void);
88 WEAK void PIN_INT1_IRQHandler(void);
89 WEAK void PIN_INT2_IRQHandler(void);
90 WEAK void PIN_INT3_IRQHandler(void);
91 WEAK void UTICK0_IRQHandler(void);
92 WEAK void MRT0_IRQHandler(void);
93 WEAK void CTIMER0_IRQHandler(void);
94 WEAK void CTIMER1_IRQHandler(void);
95 WEAK void SCT0_IRQHandler(void);
96 WEAK void CTIMER3_IRQHandler(void);
97 WEAK void FLEXCOMM0_IRQHandler(void);
98 WEAK void FLEXCOMM1_IRQHandler(void);
99 WEAK void FLEXCOMM2_IRQHandler(void);
100 WEAK void FLEXCOMM3_IRQHandler(void);
101 WEAK void FLEXCOMM4_IRQHandler(void);
102 WEAK void FLEXCOMM5_IRQHandler(void);
103 WEAK void FLEXCOMM6_IRQHandler(void);
104 WEAK void FLEXCOMM7_IRQHandler(void);
105 WEAK void ADC0_SEQA_IRQHandler(void);
106 WEAK void ADC0_SEQB_IRQHandler(void);
107 WEAK void ADC0_THCMP_IRQHandler(void);
108 WEAK void DMIC0_IRQHandler(void);
109 WEAK void HWVAD0_IRQHandler(void);
110 WEAK void USB0_NEEDCLK_IRQHandler(void);
111 WEAK void USB0_IRQHandler(void);
112 WEAK void RTC_IRQHandler(void);
113 WEAK void FLEXCOMM10_IRQHandler(void);
114 WEAK void Reserved47_IRQHandler(void);
115 WEAK void PIN_INT4_IRQHandler(void);
116 WEAK void PIN_INT5_IRQHandler(void);
117 WEAK void PIN_INT6_IRQHandler(void);
118 WEAK void PIN_INT7_IRQHandler(void);
119 WEAK void CTIMER2_IRQHandler(void);
120 WEAK void CTIMER4_IRQHandler(void);
121 WEAK void RIT_IRQHandler(void);
122 WEAK void SPIFI0_IRQHandler(void);
123 WEAK void FLEXCOMM8_IRQHandler(void);
124 WEAK void FLEXCOMM9_IRQHandler(void);
125 WEAK void SDIO_IRQHandler(void);
126 WEAK void CAN0_IRQ0_IRQHandler(void);
127 WEAK void CAN0_IRQ1_IRQHandler(void);
128 WEAK void CAN1_IRQ0_IRQHandler(void);
129 WEAK void CAN1_IRQ1_IRQHandler(void);
130 WEAK void USB1_IRQHandler(void);
131 WEAK void USB1_NEEDCLK_IRQHandler(void);
132 WEAK void ETHERNET_IRQHandler(void);
133 WEAK void ETHERNET_PMT_IRQHandler(void);
134 WEAK void ETHERNET_MACLP_IRQHandler(void);
135 WEAK void Reserved68_IRQHandler(void);
136 WEAK void LCD_IRQHandler(void);
137 WEAK void SHA_IRQHandler(void);
138 WEAK void SMARTCARD0_IRQHandler(void);
139 WEAK void SMARTCARD1_IRQHandler(void);
140 WEAK void Reserved73_IRQHandler(void);
141 WEAK void PUF_IRQHandler(void);
142
143 //*****************************************************************************
144 // Forward declaration of the driver IRQ handlers. These are aliased
145 // to the IntDefaultHandler, which is a 'forever' loop. When the driver
146 // defines a handler (with the same name), this will automatically take
147 // precedence over these weak definitions
148 //*****************************************************************************
149 void WDT_BOD_DriverIRQHandler(void) ALIAS(IntDefaultHandler);
150 void DMA0_DriverIRQHandler(void) ALIAS(IntDefaultHandler);
151 void GINT0_DriverIRQHandler(void) ALIAS(IntDefaultHandler);
152 void GINT1_DriverIRQHandler(void) ALIAS(IntDefaultHandler);
153 void PIN_INT0_DriverIRQHandler(void) ALIAS(IntDefaultHandler);
154 void PIN_INT1_DriverIRQHandler(void) ALIAS(IntDefaultHandler);
155 void PIN_INT2_DriverIRQHandler(void) ALIAS(IntDefaultHandler);
156 void PIN_INT3_DriverIRQHandler(void) ALIAS(IntDefaultHandler);
157 void UTICK0_DriverIRQHandler(void) ALIAS(IntDefaultHandler);
158 void MRT0_DriverIRQHandler(void) ALIAS(IntDefaultHandler);
159 void CTIMER0_DriverIRQHandler(void) ALIAS(IntDefaultHandler);
160 void CTIMER1_DriverIRQHandler(void) ALIAS(IntDefaultHandler);
161 void SCT0_DriverIRQHandler(void) ALIAS(IntDefaultHandler);
162 void CTIMER3_DriverIRQHandler(void) ALIAS(IntDefaultHandler);
163 void FLEXCOMM0_DriverIRQHandler(void) ALIAS(IntDefaultHandler);
164 void FLEXCOMM1_DriverIRQHandler(void) ALIAS(IntDefaultHandler);
165 void FLEXCOMM2_DriverIRQHandler(void) ALIAS(IntDefaultHandler);
166 void FLEXCOMM3_DriverIRQHandler(void) ALIAS(IntDefaultHandler);
167 void FLEXCOMM4_DriverIRQHandler(void) ALIAS(IntDefaultHandler);
168 void FLEXCOMM5_DriverIRQHandler(void) ALIAS(IntDefaultHandler);
169 void FLEXCOMM6_DriverIRQHandler(void) ALIAS(IntDefaultHandler);
170 void FLEXCOMM7_DriverIRQHandler(void) ALIAS(IntDefaultHandler);
171 void ADC0_SEQA_DriverIRQHandler(void) ALIAS(IntDefaultHandler);
172 void ADC0_SEQB_DriverIRQHandler(void) ALIAS(IntDefaultHandler);
173 void ADC0_THCMP_DriverIRQHandler(void) ALIAS(IntDefaultHandler);
174 void DMIC0_DriverIRQHandler(void) ALIAS(IntDefaultHandler);
175 void HWVAD0_DriverIRQHandler(void) ALIAS(IntDefaultHandler);
176 void USB0_NEEDCLK_DriverIRQHandler(void) ALIAS(IntDefaultHandler);
177 void USB0_DriverIRQHandler(void) ALIAS(IntDefaultHandler);
178 void RTC_DriverIRQHandler(void) ALIAS(IntDefaultHandler);
179 void FLEXCOMM10_DriverIRQHandler(void) ALIAS(IntDefaultHandler);
180 void Reserved47_DriverIRQHandler(void) ALIAS(IntDefaultHandler);
181 void PIN_INT4_DriverIRQHandler(void) ALIAS(IntDefaultHandler);
182 void PIN_INT5_DriverIRQHandler(void) ALIAS(IntDefaultHandler);
183 void PIN_INT6_DriverIRQHandler(void) ALIAS(IntDefaultHandler);
184 void PIN_INT7_DriverIRQHandler(void) ALIAS(IntDefaultHandler);
185 void CTIMER2_DriverIRQHandler(void) ALIAS(IntDefaultHandler);
186 void CTIMER4_DriverIRQHandler(void) ALIAS(IntDefaultHandler);
187 void RIT_DriverIRQHandler(void) ALIAS(IntDefaultHandler);
188 void SPIFI0_DriverIRQHandler(void) ALIAS(IntDefaultHandler);
189 void FLEXCOMM8_DriverIRQHandler(void) ALIAS(IntDefaultHandler);
190 void FLEXCOMM9_DriverIRQHandler(void) ALIAS(IntDefaultHandler);
191 void SDIO_DriverIRQHandler(void) ALIAS(IntDefaultHandler);
192 void CAN0_IRQ0_DriverIRQHandler(void) ALIAS(IntDefaultHandler);
193 void CAN0_IRQ1_DriverIRQHandler(void) ALIAS(IntDefaultHandler);
194 void CAN1_IRQ0_DriverIRQHandler(void) ALIAS(IntDefaultHandler);
195 void CAN1_IRQ1_DriverIRQHandler(void) ALIAS(IntDefaultHandler);
196 void USB1_DriverIRQHandler(void) ALIAS(IntDefaultHandler);
197 void USB1_NEEDCLK_DriverIRQHandler(void) ALIAS(IntDefaultHandler);
198 void ETHERNET_DriverIRQHandler(void) ALIAS(IntDefaultHandler);
199 void ETHERNET_PMT_DriverIRQHandler(void) ALIAS(IntDefaultHandler);
200 void ETHERNET_MACLP_DriverIRQHandler(void) ALIAS(IntDefaultHandler);
201 void Reserved68_DriverIRQHandler(void) ALIAS(IntDefaultHandler);
202 void LCD_DriverIRQHandler(void) ALIAS(IntDefaultHandler);
203 void SHA_DriverIRQHandler(void) ALIAS(IntDefaultHandler);
204 void SMARTCARD0_DriverIRQHandler(void) ALIAS(IntDefaultHandler);
205 void SMARTCARD1_DriverIRQHandler(void) ALIAS(IntDefaultHandler);
206 void Reserved73_DriverIRQHandler(void) ALIAS(IntDefaultHandler);
207 void PUF_DriverIRQHandler(void) ALIAS(IntDefaultHandler);
208
209 //*****************************************************************************
210 // The entry point for the application.
211 // __main() is the entry point for Redlib based applications
212 // main() is the entry point for Newlib based applications
213 //*****************************************************************************
214 #if defined (__REDLIB__)
215 extern void __main(void);
216 #endif
217 extern int main(void);
218
219 //*****************************************************************************
220 // External declaration for the pointer to the stack top from the Linker Script
221 //*****************************************************************************
222 extern void _vStackTop(void);
223 extern void _image_size(void);
224 //*****************************************************************************
225 // External declaration for LPC MCU vector table checksum from Linker Script
226 //*****************************************************************************
227 WEAK extern void __valid_user_code_checksum();
228
229 //*****************************************************************************
230 // External declaration for image type and load address from Linker Script
231 //*****************************************************************************
232 WEAK extern void __imghdr_loadaddress();
233 WEAK extern void __imghdr_imagetype();
234
235 //*****************************************************************************
236 #if defined (__cplusplus)
237 } // extern "C"
238 #endif
239 #ifndef IMG_BAUDRATE
240 #define IMG_BAUDRATE 0
241 #endif
242 //*****************************************************************************
243 // The vector table.
244 // This relies on the linker script to place at correct location in memory.
245 //*****************************************************************************
246
247
248
249 extern void (* const g_pfnVectors[])(void);
250 extern void * __Vectors __attribute__ ((alias ("g_pfnVectors")));
251
252 __attribute__ ((used, section(".isr_vector")))
253 void (* const g_pfnVectors[])(void) = {
254 // Core Level - CM4
255 &_vStackTop, // The initial stack pointer
256 ResetISR, // The reset handler
257 NMI_Handler, // The NMI handler
258 HardFault_Handler, // The hard fault handler
259 MemManage_Handler, // The MPU fault handler
260 BusFault_Handler, // The bus fault handler
261 UsageFault_Handler, // The usage fault handler
262 __valid_user_code_checksum, // LPC MCU checksum
263 0, // ECRP
264 (void (*)(void))0xEDDC94BD, // Reserved
265 (void (*)(void))0x160, // Reserved
266 SVC_Handler, // SVCall handler
267 DebugMon_Handler, // Debug monitor handler
268 0, // Reserved
269 PendSV_Handler, // The PendSV handler
270 SysTick_Handler, // The SysTick handler
271
272 // Chip Level - LPC54S018M
273 WDT_BOD_IRQHandler, // 16: Windowed watchdog timer, Brownout detect
274 DMA0_IRQHandler, // 17: DMA controller
275 GINT0_IRQHandler, // 18: GPIO group 0
276 GINT1_IRQHandler, // 19: GPIO group 1
277 PIN_INT0_IRQHandler, // 20: Pin interrupt 0 or pattern match engine slice 0
278 PIN_INT1_IRQHandler, // 21: Pin interrupt 1or pattern match engine slice 1
279 PIN_INT2_IRQHandler, // 22: Pin interrupt 2 or pattern match engine slice 2
280 PIN_INT3_IRQHandler, // 23: Pin interrupt 3 or pattern match engine slice 3
281 UTICK0_IRQHandler, // 24: Micro-tick Timer
282 MRT0_IRQHandler, // 25: Multi-rate timer
283 CTIMER0_IRQHandler, // 26: Standard counter/timer CTIMER0
284 CTIMER1_IRQHandler, // 27: Standard counter/timer CTIMER1
285 SCT0_IRQHandler, // 28: SCTimer/PWM
286 CTIMER3_IRQHandler, // 29: Standard counter/timer CTIMER3
287 FLEXCOMM0_IRQHandler, // 30: Flexcomm Interface 0 (USART, SPI, I2C, FLEXCOMM)
288 FLEXCOMM1_IRQHandler, // 31: Flexcomm Interface 1 (USART, SPI, I2C, FLEXCOMM)
289 FLEXCOMM2_IRQHandler, // 32: Flexcomm Interface 2 (USART, SPI, I2C, FLEXCOMM)
290 FLEXCOMM3_IRQHandler, // 33: Flexcomm Interface 3 (USART, SPI, I2C, FLEXCOMM)
291 FLEXCOMM4_IRQHandler, // 34: Flexcomm Interface 4 (USART, SPI, I2C, FLEXCOMM)
292 FLEXCOMM5_IRQHandler, // 35: Flexcomm Interface 5 (USART, SPI, I2C,, FLEXCOMM)
293 FLEXCOMM6_IRQHandler, // 36: Flexcomm Interface 6 (USART, SPI, I2C, I2S,, FLEXCOMM)
294 FLEXCOMM7_IRQHandler, // 37: Flexcomm Interface 7 (USART, SPI, I2C, I2S,, FLEXCOMM)
295 ADC0_SEQA_IRQHandler, // 38: ADC0 sequence A completion.
296 ADC0_SEQB_IRQHandler, // 39: ADC0 sequence B completion.
297 ADC0_THCMP_IRQHandler, // 40: ADC0 threshold compare and error.
298 DMIC0_IRQHandler, // 41: Digital microphone and DMIC subsystem
299 HWVAD0_IRQHandler, // 42: Hardware Voice Activity Detector
300 USB0_NEEDCLK_IRQHandler, // 43: USB Activity Wake-up Interrupt
301 USB0_IRQHandler, // 44: USB device
302 RTC_IRQHandler, // 45: RTC alarm and wake-up interrupts
303 FLEXCOMM10_IRQHandler, // 46: Flexcomm Interface 10 (SPI, FLEXCOMM)
304 Reserved47_IRQHandler, // 47: Reserved interrupt
305 PIN_INT4_IRQHandler, // 48: Pin interrupt 4 or pattern match engine slice 4 int
306 PIN_INT5_IRQHandler, // 49: Pin interrupt 5 or pattern match engine slice 5 int
307 PIN_INT6_IRQHandler, // 50: Pin interrupt 6 or pattern match engine slice 6 int
308 PIN_INT7_IRQHandler, // 51: Pin interrupt 7 or pattern match engine slice 7 int
309 CTIMER2_IRQHandler, // 52: Standard counter/timer CTIMER2
310 CTIMER4_IRQHandler, // 53: Standard counter/timer CTIMER4
311 RIT_IRQHandler, // 54: Repetitive Interrupt Timer
312 SPIFI0_IRQHandler, // 55: SPI flash interface
313 FLEXCOMM8_IRQHandler, // 56: Flexcomm Interface 8 (USART, SPI, I2C, FLEXCOMM)
314 FLEXCOMM9_IRQHandler, // 57: Flexcomm Interface 9 (USART, SPI, I2C, FLEXCOMM)
315 SDIO_IRQHandler, // 58: SD/MMC
316 CAN0_IRQ0_IRQHandler, // 59: CAN0 interrupt0
317 CAN0_IRQ1_IRQHandler, // 60: CAN0 interrupt1
318 CAN1_IRQ0_IRQHandler, // 61: CAN1 interrupt0
319 CAN1_IRQ1_IRQHandler, // 62: CAN1 interrupt1
320 USB1_IRQHandler, // 63: USB1 interrupt
321 USB1_NEEDCLK_IRQHandler, // 64: USB1 activity
322 ETHERNET_IRQHandler, // 65: Ethernet
323 ETHERNET_PMT_IRQHandler, // 66: Ethernet power management interrupt
324 ETHERNET_MACLP_IRQHandler, // 67: Ethernet MAC interrupt
325 Reserved68_IRQHandler, // 68: Reserved interrupt
326 LCD_IRQHandler, // 69: LCD interrupt
327 SHA_IRQHandler, // 70: SHA interrupt
328 SMARTCARD0_IRQHandler, // 71: Smart card 0 interrupt
329 SMARTCARD1_IRQHandler, // 72: Smart card 1 interrupt
330 Reserved73_IRQHandler, // 73: Reserved interrupt
331 PUF_IRQHandler, // 74: PUF interrupt
332 0, // Reserved
333 0, // Reserved
334 0, // Reserved
335 0, // Reserved
336 0, // Reserved
337 0, // Reserved
338 0, // Reserved
339 0, // Reserved
340 0, // Reserved
341 0, // Reserved
342 0, // Reserved
343 0, // Reserved
344 0, // Reserved
345 (void (*)(void))0xFEEDA5A5, // Header Marker
346
347 #if defined (ADD_CRC)
348 (__imghdr_imagetype - 1), // (0x04) Image Type
349 __imghdr_loadaddress, // (0x08) Load_address
350 #else
351 __imghdr_imagetype, // (0x04) Image Type
352 __imghdr_loadaddress, // (0x08) Load_address
353 #endif
354 (void (*)(void))(((unsigned)_image_size) - 4), // (0x0C) load_length, exclude 4 bytes CRC field.
355 0, // (0x10) CRC value (only applicable to NON Non-secure images).
356 0, // (0x14) Version (only applicable to DUAL_ENH image type.
357 0, // (0x18) EMC static memory configuration settings, required for EMC boot
358 (void (*)(void))IMG_BAUDRATE, // (0x1C) image baudrate
359 0, // (0x20) reserved
360 (void (*)(void))0xEDDC94BD, // (0x24) Image_marker
361 0, // (0x28) reserved
362 0, // (0x2C) reserved
363
364 /* SPI Descriptor - Winbond W25Q32JV */
365 (void (*)(void))0x00000000, // 0xFFFFFFFF to default 1-bit SPI mode ;DevStrAdr
366 (void (*)(void))0x001640EF, // mfgId + extCount
367 (void (*)(void))0x00000000, // extid 0-3
368 (void (*)(void))0x00000000, // reserved
369 (void (*)(void))0x1301001D, // caps
370 (void (*)(void))0x00000000, // Blks + RESV1
371 (void (*)(void))0x00000000, // blkSize
372 (void (*)(void))0x00000000, // reserved
373 (void (*)(void))0x00000100, // pageSize + RESV2
374 (void (*)(void))0x00000000, // maxReadSize
375 (void (*)(void))0x00000000, // maxClkRate,maxReadRate,maxHSReadRate,maxProgramRate
376 (void (*)(void))0x04030050, // maxHSProgramRate,initDeInitFxId,clearStatusFxId,getStatusFxId
377 (void (*)(void))0x14110D09, // setStatusFxId,setOptionsFxId,getReadCmdFxId,getWriteCmdFxId
378
379
380 }; /* End of g_pfnVectors */
381
382 //*****************************************************************************
383 // Functions to carry out the initialization of RW and BSS data sections. These
384 // are written as separate functions rather than being inlined within the
385 // ResetISR() function in order to cope with MCUs with multiple banks of
386 // memory.
387 //*****************************************************************************
388 __attribute__ ((section(".after_vectors.init_data")))
data_init(unsigned int romstart,unsigned int start,unsigned int len)389 void data_init(unsigned int romstart, unsigned int start, unsigned int len) {
390 unsigned int *pulDest = (unsigned int*) start;
391 unsigned int *pulSrc = (unsigned int*) romstart;
392 unsigned int loop;
393 for (loop = 0; loop < len; loop = loop + 4)
394 *pulDest++ = *pulSrc++;
395 }
396
397 __attribute__ ((section(".after_vectors.init_bss")))
bss_init(unsigned int start,unsigned int len)398 void bss_init(unsigned int start, unsigned int len) {
399 unsigned int *pulDest = (unsigned int*) start;
400 unsigned int loop;
401 for (loop = 0; loop < len; loop = loop + 4)
402 *pulDest++ = 0;
403 }
404
405 //*****************************************************************************
406 // The following symbols are constructs generated by the linker, indicating
407 // the location of various points in the "Global Section Table". This table is
408 // created by the linker via the Code Red managed linker script mechanism. It
409 // contains the load address, execution address and length of each RW data
410 // section and the execution and length of each BSS (zero initialized) section.
411 //*****************************************************************************
412 extern unsigned int __data_section_table;
413 extern unsigned int __data_section_table_end;
414 extern unsigned int __bss_section_table;
415 extern unsigned int __bss_section_table_end;
416
417 //*****************************************************************************
418 // Reset entry point for your code.
419 // Sets up a simple runtime environment and initializes the C/C++
420 // library.
421 //*****************************************************************************
422 __attribute__ ((naked, section(".after_vectors.reset")))
ResetISR(void)423 void ResetISR(void) {
424
425 // Disable interrupts
426 __asm volatile ("cpsid i");
427
428
429 // Enable SRAM clock used by Stack
430 __asm volatile ("LDR R0, =0x40000220\n\t"
431 "MOV R1, #56\n\t"
432 "STR R1, [R0]");
433
434 #if defined (__USE_CMSIS)
435 // If __USE_CMSIS defined, then call CMSIS SystemInit code
436 SystemInit();
437
438 #endif // (__USE_CMSIS)
439
440 //
441 // Copy the data sections from flash to SRAM.
442 //
443 unsigned int LoadAddr, ExeAddr, SectionLen;
444 unsigned int *SectionTableAddr;
445
446 // Load base address of Global Section Table
447 SectionTableAddr = &__data_section_table;
448
449 // Copy the data sections from flash to SRAM.
450 while (SectionTableAddr < &__data_section_table_end) {
451 LoadAddr = *SectionTableAddr++;
452 ExeAddr = *SectionTableAddr++;
453 SectionLen = *SectionTableAddr++;
454 data_init(LoadAddr, ExeAddr, SectionLen);
455 }
456
457 // At this point, SectionTableAddr = &__bss_section_table;
458 // Zero fill the bss segment
459 while (SectionTableAddr < &__bss_section_table_end) {
460 ExeAddr = *SectionTableAddr++;
461 SectionLen = *SectionTableAddr++;
462 bss_init(ExeAddr, SectionLen);
463 }
464
465 #if !defined (__USE_CMSIS)
466 // Assume that if __USE_CMSIS defined, then CMSIS SystemInit code
467 // will enable the FPU
468 #if defined (__VFP_FP__) && !defined (__SOFTFP__)
469 //
470 // Code to enable the Cortex-M4 FPU only included
471 // if appropriate build options have been selected.
472 // Code taken from Section 7.1, Cortex-M4 TRM (DDI0439C)
473 //
474 // Read CPACR (located at address 0xE000ED88)
475 // Set bits 20-23 to enable CP10 and CP11 coprocessors
476 // Write back the modified value to the CPACR
477 asm volatile ("LDR.W R0, =0xE000ED88\n\t"
478 "LDR R1, [R0]\n\t"
479 "ORR R1, R1, #(0xF << 20)\n\t"
480 "STR R1, [R0]");
481 #endif // (__VFP_FP__) && !(__SOFTFP__)
482 #endif // (__USE_CMSIS)
483
484
485 #if !defined (__USE_CMSIS)
486 // Assume that if __USE_CMSIS defined, then CMSIS SystemInit code
487 // will setup the VTOR register
488
489 // Check to see if we are running the code from a non-zero
490 // address (eg RAM, external flash), in which case we need
491 // to modify the VTOR register to tell the CPU that the
492 // vector table is located at a non-0x0 address.
493 unsigned int * pSCB_VTOR = (unsigned int *) 0xE000ED08;
494 if ((unsigned int *)g_pfnVectors!=(unsigned int *) 0x00000000) {
495 *pSCB_VTOR = (unsigned int)g_pfnVectors;
496 }
497 #endif // (__USE_CMSIS)
498 #if defined (__cplusplus)
499 //
500 // Call C++ library initialisation
501 //
502 __libc_init_array();
503 #endif
504
505 // Reenable interrupts
506 __asm volatile ("cpsie i");
507
508 #if defined (__REDLIB__)
509 // Call the Redlib library, which in turn calls main()
510 __main();
511 #else
512 main();
513 #endif
514
515 //
516 // main() shouldn't return, but if it does, we'll just enter an infinite loop
517 //
518 while (1) {
519 ;
520 }
521 }
522
523 //*****************************************************************************
524 // Default core exception handlers. Override the ones here by defining your own
525 // handler routines in your application code.
526 //*****************************************************************************
NMI_Handler(void)527 WEAK_AV void NMI_Handler(void)
528 { while(1) {}
529 }
530
HardFault_Handler(void)531 WEAK_AV void HardFault_Handler(void)
532 { while(1) {}
533 }
534
MemManage_Handler(void)535 WEAK_AV void MemManage_Handler(void)
536 { while(1) {}
537 }
538
BusFault_Handler(void)539 WEAK_AV void BusFault_Handler(void)
540 { while(1) {}
541 }
542
UsageFault_Handler(void)543 WEAK_AV void UsageFault_Handler(void)
544 { while(1) {}
545 }
546
SVC_Handler(void)547 WEAK_AV void SVC_Handler(void)
548 { while(1) {}
549 }
550
DebugMon_Handler(void)551 WEAK_AV void DebugMon_Handler(void)
552 { while(1) {}
553 }
554
PendSV_Handler(void)555 WEAK_AV void PendSV_Handler(void)
556 { while(1) {}
557 }
558
SysTick_Handler(void)559 WEAK_AV void SysTick_Handler(void)
560 { while(1) {}
561 }
562
563 //*****************************************************************************
564 // Processor ends up here if an unexpected interrupt occurs or a specific
565 // handler is not present in the application code.
566 //*****************************************************************************
IntDefaultHandler(void)567 WEAK_AV void IntDefaultHandler(void)
568 { while(1) {}
569 }
570
571 //*****************************************************************************
572 // Default application exception handlers. Override the ones here by defining
573 // your own handler routines in your application code. These routines call
574 // driver exception handlers or IntDefaultHandler() if no driver exception
575 // handler is included.
576 //*****************************************************************************
WDT_BOD_IRQHandler(void)577 WEAK void WDT_BOD_IRQHandler(void)
578 { WDT_BOD_DriverIRQHandler();
579 }
580
DMA0_IRQHandler(void)581 WEAK void DMA0_IRQHandler(void)
582 { DMA0_DriverIRQHandler();
583 }
584
GINT0_IRQHandler(void)585 WEAK void GINT0_IRQHandler(void)
586 { GINT0_DriverIRQHandler();
587 }
588
GINT1_IRQHandler(void)589 WEAK void GINT1_IRQHandler(void)
590 { GINT1_DriverIRQHandler();
591 }
592
PIN_INT0_IRQHandler(void)593 WEAK void PIN_INT0_IRQHandler(void)
594 { PIN_INT0_DriverIRQHandler();
595 }
596
PIN_INT1_IRQHandler(void)597 WEAK void PIN_INT1_IRQHandler(void)
598 { PIN_INT1_DriverIRQHandler();
599 }
600
PIN_INT2_IRQHandler(void)601 WEAK void PIN_INT2_IRQHandler(void)
602 { PIN_INT2_DriverIRQHandler();
603 }
604
PIN_INT3_IRQHandler(void)605 WEAK void PIN_INT3_IRQHandler(void)
606 { PIN_INT3_DriverIRQHandler();
607 }
608
UTICK0_IRQHandler(void)609 WEAK void UTICK0_IRQHandler(void)
610 { UTICK0_DriverIRQHandler();
611 }
612
MRT0_IRQHandler(void)613 WEAK void MRT0_IRQHandler(void)
614 { MRT0_DriverIRQHandler();
615 }
616
CTIMER0_IRQHandler(void)617 WEAK void CTIMER0_IRQHandler(void)
618 { CTIMER0_DriverIRQHandler();
619 }
620
CTIMER1_IRQHandler(void)621 WEAK void CTIMER1_IRQHandler(void)
622 { CTIMER1_DriverIRQHandler();
623 }
624
SCT0_IRQHandler(void)625 WEAK void SCT0_IRQHandler(void)
626 { SCT0_DriverIRQHandler();
627 }
628
CTIMER3_IRQHandler(void)629 WEAK void CTIMER3_IRQHandler(void)
630 { CTIMER3_DriverIRQHandler();
631 }
632
FLEXCOMM0_IRQHandler(void)633 WEAK void FLEXCOMM0_IRQHandler(void)
634 { FLEXCOMM0_DriverIRQHandler();
635 }
636
FLEXCOMM1_IRQHandler(void)637 WEAK void FLEXCOMM1_IRQHandler(void)
638 { FLEXCOMM1_DriverIRQHandler();
639 }
640
FLEXCOMM2_IRQHandler(void)641 WEAK void FLEXCOMM2_IRQHandler(void)
642 { FLEXCOMM2_DriverIRQHandler();
643 }
644
FLEXCOMM3_IRQHandler(void)645 WEAK void FLEXCOMM3_IRQHandler(void)
646 { FLEXCOMM3_DriverIRQHandler();
647 }
648
FLEXCOMM4_IRQHandler(void)649 WEAK void FLEXCOMM4_IRQHandler(void)
650 { FLEXCOMM4_DriverIRQHandler();
651 }
652
FLEXCOMM5_IRQHandler(void)653 WEAK void FLEXCOMM5_IRQHandler(void)
654 { FLEXCOMM5_DriverIRQHandler();
655 }
656
FLEXCOMM6_IRQHandler(void)657 WEAK void FLEXCOMM6_IRQHandler(void)
658 { FLEXCOMM6_DriverIRQHandler();
659 }
660
FLEXCOMM7_IRQHandler(void)661 WEAK void FLEXCOMM7_IRQHandler(void)
662 { FLEXCOMM7_DriverIRQHandler();
663 }
664
ADC0_SEQA_IRQHandler(void)665 WEAK void ADC0_SEQA_IRQHandler(void)
666 { ADC0_SEQA_DriverIRQHandler();
667 }
668
ADC0_SEQB_IRQHandler(void)669 WEAK void ADC0_SEQB_IRQHandler(void)
670 { ADC0_SEQB_DriverIRQHandler();
671 }
672
ADC0_THCMP_IRQHandler(void)673 WEAK void ADC0_THCMP_IRQHandler(void)
674 { ADC0_THCMP_DriverIRQHandler();
675 }
676
DMIC0_IRQHandler(void)677 WEAK void DMIC0_IRQHandler(void)
678 { DMIC0_DriverIRQHandler();
679 }
680
HWVAD0_IRQHandler(void)681 WEAK void HWVAD0_IRQHandler(void)
682 { HWVAD0_DriverIRQHandler();
683 }
684
USB0_NEEDCLK_IRQHandler(void)685 WEAK void USB0_NEEDCLK_IRQHandler(void)
686 { USB0_NEEDCLK_DriverIRQHandler();
687 }
688
USB0_IRQHandler(void)689 WEAK void USB0_IRQHandler(void)
690 { USB0_DriverIRQHandler();
691 }
692
RTC_IRQHandler(void)693 WEAK void RTC_IRQHandler(void)
694 { RTC_DriverIRQHandler();
695 }
696
FLEXCOMM10_IRQHandler(void)697 WEAK void FLEXCOMM10_IRQHandler(void)
698 { FLEXCOMM10_DriverIRQHandler();
699 }
700
Reserved47_IRQHandler(void)701 WEAK void Reserved47_IRQHandler(void)
702 { Reserved47_DriverIRQHandler();
703 }
704
PIN_INT4_IRQHandler(void)705 WEAK void PIN_INT4_IRQHandler(void)
706 { PIN_INT4_DriverIRQHandler();
707 }
708
PIN_INT5_IRQHandler(void)709 WEAK void PIN_INT5_IRQHandler(void)
710 { PIN_INT5_DriverIRQHandler();
711 }
712
PIN_INT6_IRQHandler(void)713 WEAK void PIN_INT6_IRQHandler(void)
714 { PIN_INT6_DriverIRQHandler();
715 }
716
PIN_INT7_IRQHandler(void)717 WEAK void PIN_INT7_IRQHandler(void)
718 { PIN_INT7_DriverIRQHandler();
719 }
720
CTIMER2_IRQHandler(void)721 WEAK void CTIMER2_IRQHandler(void)
722 { CTIMER2_DriverIRQHandler();
723 }
724
CTIMER4_IRQHandler(void)725 WEAK void CTIMER4_IRQHandler(void)
726 { CTIMER4_DriverIRQHandler();
727 }
728
RIT_IRQHandler(void)729 WEAK void RIT_IRQHandler(void)
730 { RIT_DriverIRQHandler();
731 }
732
SPIFI0_IRQHandler(void)733 WEAK void SPIFI0_IRQHandler(void)
734 { SPIFI0_DriverIRQHandler();
735 }
736
FLEXCOMM8_IRQHandler(void)737 WEAK void FLEXCOMM8_IRQHandler(void)
738 { FLEXCOMM8_DriverIRQHandler();
739 }
740
FLEXCOMM9_IRQHandler(void)741 WEAK void FLEXCOMM9_IRQHandler(void)
742 { FLEXCOMM9_DriverIRQHandler();
743 }
744
SDIO_IRQHandler(void)745 WEAK void SDIO_IRQHandler(void)
746 { SDIO_DriverIRQHandler();
747 }
748
CAN0_IRQ0_IRQHandler(void)749 WEAK void CAN0_IRQ0_IRQHandler(void)
750 { CAN0_IRQ0_DriverIRQHandler();
751 }
752
CAN0_IRQ1_IRQHandler(void)753 WEAK void CAN0_IRQ1_IRQHandler(void)
754 { CAN0_IRQ1_DriverIRQHandler();
755 }
756
CAN1_IRQ0_IRQHandler(void)757 WEAK void CAN1_IRQ0_IRQHandler(void)
758 { CAN1_IRQ0_DriverIRQHandler();
759 }
760
CAN1_IRQ1_IRQHandler(void)761 WEAK void CAN1_IRQ1_IRQHandler(void)
762 { CAN1_IRQ1_DriverIRQHandler();
763 }
764
USB1_IRQHandler(void)765 WEAK void USB1_IRQHandler(void)
766 { USB1_DriverIRQHandler();
767 }
768
USB1_NEEDCLK_IRQHandler(void)769 WEAK void USB1_NEEDCLK_IRQHandler(void)
770 { USB1_NEEDCLK_DriverIRQHandler();
771 }
772
ETHERNET_IRQHandler(void)773 WEAK void ETHERNET_IRQHandler(void)
774 { ETHERNET_DriverIRQHandler();
775 }
776
ETHERNET_PMT_IRQHandler(void)777 WEAK void ETHERNET_PMT_IRQHandler(void)
778 { ETHERNET_PMT_DriverIRQHandler();
779 }
780
ETHERNET_MACLP_IRQHandler(void)781 WEAK void ETHERNET_MACLP_IRQHandler(void)
782 { ETHERNET_MACLP_DriverIRQHandler();
783 }
784
Reserved68_IRQHandler(void)785 WEAK void Reserved68_IRQHandler(void)
786 { Reserved68_DriverIRQHandler();
787 }
788
LCD_IRQHandler(void)789 WEAK void LCD_IRQHandler(void)
790 { LCD_DriverIRQHandler();
791 }
792
SHA_IRQHandler(void)793 WEAK void SHA_IRQHandler(void)
794 { SHA_DriverIRQHandler();
795 }
796
SMARTCARD0_IRQHandler(void)797 WEAK void SMARTCARD0_IRQHandler(void)
798 { SMARTCARD0_DriverIRQHandler();
799 }
800
SMARTCARD1_IRQHandler(void)801 WEAK void SMARTCARD1_IRQHandler(void)
802 { SMARTCARD1_DriverIRQHandler();
803 }
804
Reserved73_IRQHandler(void)805 WEAK void Reserved73_IRQHandler(void)
806 { Reserved73_DriverIRQHandler();
807 }
808
PUF_IRQHandler(void)809 WEAK void PUF_IRQHandler(void)
810 { PUF_DriverIRQHandler();
811 }
812
813 //*****************************************************************************
814
815 #if defined (DEBUG)
816 #pragma GCC pop_options
817 #endif // (DEBUG)
818
