1 //*****************************************************************************
2 // LPC54018M 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 
141 //*****************************************************************************
142 // Forward declaration of the driver IRQ handlers. These are aliased
143 // to the IntDefaultHandler, which is a 'forever' loop. When the driver
144 // defines a handler (with the same name), this will automatically take
145 // precedence over these weak definitions
146 //*****************************************************************************
147 void WDT_BOD_DriverIRQHandler(void) ALIAS(IntDefaultHandler);
148 void DMA0_DriverIRQHandler(void) ALIAS(IntDefaultHandler);
149 void GINT0_DriverIRQHandler(void) ALIAS(IntDefaultHandler);
150 void GINT1_DriverIRQHandler(void) ALIAS(IntDefaultHandler);
151 void PIN_INT0_DriverIRQHandler(void) ALIAS(IntDefaultHandler);
152 void PIN_INT1_DriverIRQHandler(void) ALIAS(IntDefaultHandler);
153 void PIN_INT2_DriverIRQHandler(void) ALIAS(IntDefaultHandler);
154 void PIN_INT3_DriverIRQHandler(void) ALIAS(IntDefaultHandler);
155 void UTICK0_DriverIRQHandler(void) ALIAS(IntDefaultHandler);
156 void MRT0_DriverIRQHandler(void) ALIAS(IntDefaultHandler);
157 void CTIMER0_DriverIRQHandler(void) ALIAS(IntDefaultHandler);
158 void CTIMER1_DriverIRQHandler(void) ALIAS(IntDefaultHandler);
159 void SCT0_DriverIRQHandler(void) ALIAS(IntDefaultHandler);
160 void CTIMER3_DriverIRQHandler(void) ALIAS(IntDefaultHandler);
161 void FLEXCOMM0_DriverIRQHandler(void) ALIAS(IntDefaultHandler);
162 void FLEXCOMM1_DriverIRQHandler(void) ALIAS(IntDefaultHandler);
163 void FLEXCOMM2_DriverIRQHandler(void) ALIAS(IntDefaultHandler);
164 void FLEXCOMM3_DriverIRQHandler(void) ALIAS(IntDefaultHandler);
165 void FLEXCOMM4_DriverIRQHandler(void) ALIAS(IntDefaultHandler);
166 void FLEXCOMM5_DriverIRQHandler(void) ALIAS(IntDefaultHandler);
167 void FLEXCOMM6_DriverIRQHandler(void) ALIAS(IntDefaultHandler);
168 void FLEXCOMM7_DriverIRQHandler(void) ALIAS(IntDefaultHandler);
169 void ADC0_SEQA_DriverIRQHandler(void) ALIAS(IntDefaultHandler);
170 void ADC0_SEQB_DriverIRQHandler(void) ALIAS(IntDefaultHandler);
171 void ADC0_THCMP_DriverIRQHandler(void) ALIAS(IntDefaultHandler);
172 void DMIC0_DriverIRQHandler(void) ALIAS(IntDefaultHandler);
173 void HWVAD0_DriverIRQHandler(void) ALIAS(IntDefaultHandler);
174 void USB0_NEEDCLK_DriverIRQHandler(void) ALIAS(IntDefaultHandler);
175 void USB0_DriverIRQHandler(void) ALIAS(IntDefaultHandler);
176 void RTC_DriverIRQHandler(void) ALIAS(IntDefaultHandler);
177 void FLEXCOMM10_DriverIRQHandler(void) ALIAS(IntDefaultHandler);
178 void Reserved47_DriverIRQHandler(void) ALIAS(IntDefaultHandler);
179 void PIN_INT4_DriverIRQHandler(void) ALIAS(IntDefaultHandler);
180 void PIN_INT5_DriverIRQHandler(void) ALIAS(IntDefaultHandler);
181 void PIN_INT6_DriverIRQHandler(void) ALIAS(IntDefaultHandler);
182 void PIN_INT7_DriverIRQHandler(void) ALIAS(IntDefaultHandler);
183 void CTIMER2_DriverIRQHandler(void) ALIAS(IntDefaultHandler);
184 void CTIMER4_DriverIRQHandler(void) ALIAS(IntDefaultHandler);
185 void RIT_DriverIRQHandler(void) ALIAS(IntDefaultHandler);
186 void SPIFI0_DriverIRQHandler(void) ALIAS(IntDefaultHandler);
187 void FLEXCOMM8_DriverIRQHandler(void) ALIAS(IntDefaultHandler);
188 void FLEXCOMM9_DriverIRQHandler(void) ALIAS(IntDefaultHandler);
189 void SDIO_DriverIRQHandler(void) ALIAS(IntDefaultHandler);
190 void CAN0_IRQ0_DriverIRQHandler(void) ALIAS(IntDefaultHandler);
191 void CAN0_IRQ1_DriverIRQHandler(void) ALIAS(IntDefaultHandler);
192 void CAN1_IRQ0_DriverIRQHandler(void) ALIAS(IntDefaultHandler);
193 void CAN1_IRQ1_DriverIRQHandler(void) ALIAS(IntDefaultHandler);
194 void USB1_DriverIRQHandler(void) ALIAS(IntDefaultHandler);
195 void USB1_NEEDCLK_DriverIRQHandler(void) ALIAS(IntDefaultHandler);
196 void ETHERNET_DriverIRQHandler(void) ALIAS(IntDefaultHandler);
197 void ETHERNET_PMT_DriverIRQHandler(void) ALIAS(IntDefaultHandler);
198 void ETHERNET_MACLP_DriverIRQHandler(void) ALIAS(IntDefaultHandler);
199 void Reserved68_DriverIRQHandler(void) ALIAS(IntDefaultHandler);
200 void LCD_DriverIRQHandler(void) ALIAS(IntDefaultHandler);
201 void SHA_DriverIRQHandler(void) ALIAS(IntDefaultHandler);
202 void SMARTCARD0_DriverIRQHandler(void) ALIAS(IntDefaultHandler);
203 void SMARTCARD1_DriverIRQHandler(void) ALIAS(IntDefaultHandler);
204 
205 //*****************************************************************************
206 // The entry point for the application.
207 // __main() is the entry point for Redlib based applications
208 // main() is the entry point for Newlib based applications
209 //*****************************************************************************
210 #if defined (__REDLIB__)
211 extern void __main(void);
212 #endif
213 extern int main(void);
214 
215 //*****************************************************************************
216 // External declaration for the pointer to the stack top from the Linker Script
217 //*****************************************************************************
218 extern void _vStackTop(void);
219 extern void _image_size(void);
220 //*****************************************************************************
221 // External declaration for LPC MCU vector table checksum from  Linker Script
222 //*****************************************************************************
223 WEAK extern void __valid_user_code_checksum();
224 
225 //*****************************************************************************
226 // External declaration for image type and load address from  Linker Script
227 //*****************************************************************************
228 WEAK extern void __imghdr_loadaddress();
229 WEAK extern void __imghdr_imagetype();
230 
231 //*****************************************************************************
232 #if defined (__cplusplus)
233 } // extern "C"
234 #endif
235 #ifndef IMG_BAUDRATE
236 #define IMG_BAUDRATE 0
237 #endif
238 //*****************************************************************************
239 // The vector table.
240 // This relies on the linker script to place at correct location in memory.
241 //*****************************************************************************
242 
243 
244 
245 extern void (* const g_pfnVectors[])(void);
246 extern void * __Vectors __attribute__ ((alias ("g_pfnVectors")));
247 
248 __attribute__ ((used, section(".isr_vector")))
249 void (* const g_pfnVectors[])(void) = {
250     // Core Level - CM4
251     &_vStackTop,                       // The initial stack pointer
252     ResetISR,                          // The reset handler
253     NMI_Handler,                       // The NMI handler
254     HardFault_Handler,                 // The hard fault handler
255     MemManage_Handler,                 // The MPU fault handler
256     BusFault_Handler,                  // The bus fault handler
257     UsageFault_Handler,                // The usage fault handler
258     __valid_user_code_checksum,        // LPC MCU checksum
259     0,                                 // ECRP
260     (void (*)(void))0xEDDC94BD,        // Reserved
261     (void (*)(void))0x160,             // Reserved
262     SVC_Handler,                       // SVCall handler
263     DebugMon_Handler,                  // Debug monitor handler
264     0,                                 // Reserved
265     PendSV_Handler,                    // The PendSV handler
266     SysTick_Handler,                   // The SysTick handler
267 
268     // Chip Level - LPC54018M
269     WDT_BOD_IRQHandler,         // 16: Windowed watchdog timer, Brownout detect
270     DMA0_IRQHandler,            // 17: DMA controller
271     GINT0_IRQHandler,           // 18: GPIO group 0
272     GINT1_IRQHandler,           // 19: GPIO group 1
273     PIN_INT0_IRQHandler,        // 20: Pin interrupt 0 or pattern match engine slice 0
274     PIN_INT1_IRQHandler,        // 21: Pin interrupt 1or pattern match engine slice 1
275     PIN_INT2_IRQHandler,        // 22: Pin interrupt 2 or pattern match engine slice 2
276     PIN_INT3_IRQHandler,        // 23: Pin interrupt 3 or pattern match engine slice 3
277     UTICK0_IRQHandler,          // 24: Micro-tick Timer
278     MRT0_IRQHandler,            // 25: Multi-rate timer
279     CTIMER0_IRQHandler,         // 26: Standard counter/timer CTIMER0
280     CTIMER1_IRQHandler,         // 27: Standard counter/timer CTIMER1
281     SCT0_IRQHandler,            // 28: SCTimer/PWM
282     CTIMER3_IRQHandler,         // 29: Standard counter/timer CTIMER3
283     FLEXCOMM0_IRQHandler,       // 30: Flexcomm Interface 0 (USART, SPI, I2C, FLEXCOMM)
284     FLEXCOMM1_IRQHandler,       // 31: Flexcomm Interface 1 (USART, SPI, I2C, FLEXCOMM)
285     FLEXCOMM2_IRQHandler,       // 32: Flexcomm Interface 2 (USART, SPI, I2C, FLEXCOMM)
286     FLEXCOMM3_IRQHandler,       // 33: Flexcomm Interface 3 (USART, SPI, I2C, FLEXCOMM)
287     FLEXCOMM4_IRQHandler,       // 34: Flexcomm Interface 4 (USART, SPI, I2C, FLEXCOMM)
288     FLEXCOMM5_IRQHandler,       // 35: Flexcomm Interface 5 (USART, SPI, I2C,, FLEXCOMM)
289     FLEXCOMM6_IRQHandler,       // 36: Flexcomm Interface 6 (USART, SPI, I2C, I2S,, FLEXCOMM)
290     FLEXCOMM7_IRQHandler,       // 37: Flexcomm Interface 7 (USART, SPI, I2C, I2S,, FLEXCOMM)
291     ADC0_SEQA_IRQHandler,       // 38: ADC0 sequence A completion.
292     ADC0_SEQB_IRQHandler,       // 39: ADC0 sequence B completion.
293     ADC0_THCMP_IRQHandler,      // 40: ADC0 threshold compare and error.
294     DMIC0_IRQHandler,           // 41: Digital microphone and DMIC subsystem
295     HWVAD0_IRQHandler,          // 42: Hardware Voice Activity Detector
296     USB0_NEEDCLK_IRQHandler,    // 43: USB Activity Wake-up Interrupt
297     USB0_IRQHandler,            // 44: USB device
298     RTC_IRQHandler,             // 45: RTC alarm and wake-up interrupts
299     FLEXCOMM10_IRQHandler,      // 46: Flexcomm Interface 10 (SPI, FLEXCOMM)
300     Reserved47_IRQHandler,      // 47: Reserved interrupt
301     PIN_INT4_IRQHandler,        // 48: Pin interrupt 4 or pattern match engine slice 4 int
302     PIN_INT5_IRQHandler,        // 49: Pin interrupt 5 or pattern match engine slice 5 int
303     PIN_INT6_IRQHandler,        // 50: Pin interrupt 6 or pattern match engine slice 6 int
304     PIN_INT7_IRQHandler,        // 51: Pin interrupt 7 or pattern match engine slice 7 int
305     CTIMER2_IRQHandler,         // 52: Standard counter/timer CTIMER2
306     CTIMER4_IRQHandler,         // 53: Standard counter/timer CTIMER4
307     RIT_IRQHandler,             // 54: Repetitive Interrupt Timer
308     SPIFI0_IRQHandler,          // 55: SPI flash interface
309     FLEXCOMM8_IRQHandler,       // 56: Flexcomm Interface 8 (USART, SPI, I2C, FLEXCOMM)
310     FLEXCOMM9_IRQHandler,       // 57: Flexcomm Interface 9 (USART, SPI, I2C, FLEXCOMM)
311     SDIO_IRQHandler,            // 58: SD/MMC
312     CAN0_IRQ0_IRQHandler,       // 59: CAN0 interrupt0
313     CAN0_IRQ1_IRQHandler,       // 60: CAN0 interrupt1
314     CAN1_IRQ0_IRQHandler,       // 61: CAN1 interrupt0
315     CAN1_IRQ1_IRQHandler,       // 62: CAN1 interrupt1
316     USB1_IRQHandler,            // 63: USB1 interrupt
317     USB1_NEEDCLK_IRQHandler,    // 64: USB1 activity
318     ETHERNET_IRQHandler,        // 65: Ethernet
319     ETHERNET_PMT_IRQHandler,    // 66: Ethernet power management interrupt
320     ETHERNET_MACLP_IRQHandler,  // 67: Ethernet MAC interrupt
321     Reserved68_IRQHandler,      // 68: Reserved interrupt
322     LCD_IRQHandler,             // 69: LCD interrupt
323     SHA_IRQHandler,             // 70: SHA interrupt
324     SMARTCARD0_IRQHandler,      // 71: Smart card 0 interrupt
325     SMARTCARD1_IRQHandler,      // 72: Smart card 1 interrupt
326     0,                          // Reserved
327     0,                          // Reserved
328     0,                          // Reserved
329     0,                          // Reserved
330     0,                          // Reserved
331     0,                          // Reserved
332     0,                          // Reserved
333     0,                          // Reserved
334     0,                          // Reserved
335     0,                          // Reserved
336     0,                          // Reserved
337     0,                          // Reserved
338     0,                          // Reserved
339     (void (*)(void))0xFEEDA5A5,         // Header Marker
340 
341 #if defined (ADD_CRC)
342     (__imghdr_imagetype - 1),   // (0x04) Image Type
343      __imghdr_loadaddress,      // (0x08) Load_address
344 #else
345     __imghdr_imagetype,         // (0x04) Image Type
346     __imghdr_loadaddress,       // (0x08) Load_address
347 #endif
348     (void (*)(void))(((unsigned)_image_size) - 4),            // (0x0C) load_length, exclude 4 bytes CRC field.
349     0,                          // (0x10) CRC value (only applicable to NON Non-secure images).
350     0,                          // (0x14) Version (only applicable to DUAL_ENH image type.
351     0,                          // (0x18) EMC static memory configuration settings, required for EMC boot
352     (void (*)(void))IMG_BAUDRATE,       // (0x1C) image baudrate
353     0,                          // (0x20) reserved
354     (void (*)(void))0xEDDC94BD,         // (0x24) Image_marker
355     0,                          // (0x28) reserved
356     0,                          // (0x2C) reserved
357 
358     /* SPI Descriptor - Winbond W25Q32JV */
359     (void (*)(void))0x00000000, // 0xFFFFFFFF to default 1-bit SPI mode  ;DevStrAdr
360     (void (*)(void))0x001640EF, // mfgId + extCount
361     (void (*)(void))0x00000000, // extid 0-3
362     (void (*)(void))0x00000000, // reserved
363     (void (*)(void))0x1301001D, // caps
364     (void (*)(void))0x00000000, // Blks + RESV1
365     (void (*)(void))0x00000000, // blkSize
366     (void (*)(void))0x00000000, // reserved
367     (void (*)(void))0x00000100, // pageSize + RESV2
368     (void (*)(void))0x00000000, // maxReadSize
369     (void (*)(void))0x00000000, // maxClkRate,maxReadRate,maxHSReadRate,maxProgramRate
370     (void (*)(void))0x04030050, // maxHSProgramRate,initDeInitFxId,clearStatusFxId,getStatusFxId
371     (void (*)(void))0x14110D09, // setStatusFxId,setOptionsFxId,getReadCmdFxId,getWriteCmdFxId
372 
373 
374 }; /* End of g_pfnVectors */
375 
376 //*****************************************************************************
377 // Functions to carry out the initialization of RW and BSS data sections. These
378 // are written as separate functions rather than being inlined within the
379 // ResetISR() function in order to cope with MCUs with multiple banks of
380 // memory.
381 //*****************************************************************************
382 __attribute__ ((section(".after_vectors.init_data")))
data_init(unsigned int romstart,unsigned int start,unsigned int len)383 void data_init(unsigned int romstart, unsigned int start, unsigned int len) {
384     unsigned int *pulDest = (unsigned int*) start;
385     unsigned int *pulSrc = (unsigned int*) romstart;
386     unsigned int loop;
387     for (loop = 0; loop < len; loop = loop + 4)
388         *pulDest++ = *pulSrc++;
389 }
390 
391 __attribute__ ((section(".after_vectors.init_bss")))
bss_init(unsigned int start,unsigned int len)392 void bss_init(unsigned int start, unsigned int len) {
393     unsigned int *pulDest = (unsigned int*) start;
394     unsigned int loop;
395     for (loop = 0; loop < len; loop = loop + 4)
396         *pulDest++ = 0;
397 }
398 
399 //*****************************************************************************
400 // The following symbols are constructs generated by the linker, indicating
401 // the location of various points in the "Global Section Table". This table is
402 // created by the linker via the Code Red managed linker script mechanism. It
403 // contains the load address, execution address and length of each RW data
404 // section and the execution and length of each BSS (zero initialized) section.
405 //*****************************************************************************
406 extern unsigned int __data_section_table;
407 extern unsigned int __data_section_table_end;
408 extern unsigned int __bss_section_table;
409 extern unsigned int __bss_section_table_end;
410 
411 //*****************************************************************************
412 // Reset entry point for your code.
413 // Sets up a simple runtime environment and initializes the C/C++
414 // library.
415 //*****************************************************************************
416 __attribute__ ((naked, section(".after_vectors.reset")))
ResetISR(void)417 void ResetISR(void) {
418 
419     // Disable interrupts
420     __asm volatile ("cpsid i");
421 
422 
423     // Enable SRAM clock used by Stack
424     __asm volatile ("LDR R0, =0x40000220\n\t"
425                     "MOV R1, #56\n\t"
426                     "STR R1, [R0]");
427 
428 #if defined (__USE_CMSIS)
429 // If __USE_CMSIS defined, then call CMSIS SystemInit code
430     SystemInit();
431 
432 #endif // (__USE_CMSIS)
433 
434     //
435     // Copy the data sections from flash to SRAM.
436     //
437     unsigned int LoadAddr, ExeAddr, SectionLen;
438     unsigned int *SectionTableAddr;
439 
440     // Load base address of Global Section Table
441     SectionTableAddr = &__data_section_table;
442 
443     // Copy the data sections from flash to SRAM.
444     while (SectionTableAddr < &__data_section_table_end) {
445         LoadAddr = *SectionTableAddr++;
446         ExeAddr = *SectionTableAddr++;
447         SectionLen = *SectionTableAddr++;
448         data_init(LoadAddr, ExeAddr, SectionLen);
449     }
450 
451     // At this point, SectionTableAddr = &__bss_section_table;
452     // Zero fill the bss segment
453     while (SectionTableAddr < &__bss_section_table_end) {
454         ExeAddr = *SectionTableAddr++;
455         SectionLen = *SectionTableAddr++;
456         bss_init(ExeAddr, SectionLen);
457     }
458 
459 #if !defined (__USE_CMSIS)
460 // Assume that if __USE_CMSIS defined, then CMSIS SystemInit code
461 // will enable the FPU
462 #if defined (__VFP_FP__) && !defined (__SOFTFP__)
463     //
464     // Code to enable the Cortex-M4 FPU only included
465     // if appropriate build options have been selected.
466     // Code taken from Section 7.1, Cortex-M4 TRM (DDI0439C)
467     //
468     // Read CPACR (located at address 0xE000ED88)
469     // Set bits 20-23 to enable CP10 and CP11 coprocessors
470     // Write back the modified value to the CPACR
471     asm volatile ("LDR.W R0, =0xE000ED88\n\t"
472                   "LDR R1, [R0]\n\t"
473                   "ORR R1, R1, #(0xF << 20)\n\t"
474                   "STR R1, [R0]");
475 #endif // (__VFP_FP__) && !(__SOFTFP__)
476 #endif // (__USE_CMSIS)
477 
478 
479 #if !defined (__USE_CMSIS)
480 // Assume that if __USE_CMSIS defined, then CMSIS SystemInit code
481 // will setup the VTOR register
482 
483     // Check to see if we are running the code from a non-zero
484     // address (eg RAM, external flash), in which case we need
485     // to modify the VTOR register to tell the CPU that the
486     // vector table is located at a non-0x0 address.
487     unsigned int * pSCB_VTOR = (unsigned int *) 0xE000ED08;
488     if ((unsigned int *)g_pfnVectors!=(unsigned int *) 0x00000000) {
489         *pSCB_VTOR = (unsigned int)g_pfnVectors;
490     }
491 #endif // (__USE_CMSIS)
492 #if defined (__cplusplus)
493     //
494     // Call C++ library initialisation
495     //
496     __libc_init_array();
497 #endif
498 
499     // Reenable interrupts
500     __asm volatile ("cpsie i");
501 
502 #if defined (__REDLIB__)
503     // Call the Redlib library, which in turn calls main()
504     __main();
505 #else
506     main();
507 #endif
508 
509     //
510     // main() shouldn't return, but if it does, we'll just enter an infinite loop
511     //
512     while (1) {
513         ;
514     }
515 }
516 
517 //*****************************************************************************
518 // Default core exception handlers. Override the ones here by defining your own
519 // handler routines in your application code.
520 //*****************************************************************************
NMI_Handler(void)521 WEAK_AV void NMI_Handler(void)
522 { while(1) {}
523 }
524 
HardFault_Handler(void)525 WEAK_AV void HardFault_Handler(void)
526 { while(1) {}
527 }
528 
MemManage_Handler(void)529 WEAK_AV void MemManage_Handler(void)
530 { while(1) {}
531 }
532 
BusFault_Handler(void)533 WEAK_AV void BusFault_Handler(void)
534 { while(1) {}
535 }
536 
UsageFault_Handler(void)537 WEAK_AV void UsageFault_Handler(void)
538 { while(1) {}
539 }
540 
SVC_Handler(void)541 WEAK_AV void SVC_Handler(void)
542 { while(1) {}
543 }
544 
DebugMon_Handler(void)545 WEAK_AV void DebugMon_Handler(void)
546 { while(1) {}
547 }
548 
PendSV_Handler(void)549 WEAK_AV void PendSV_Handler(void)
550 { while(1) {}
551 }
552 
SysTick_Handler(void)553 WEAK_AV void SysTick_Handler(void)
554 { while(1) {}
555 }
556 
557 //*****************************************************************************
558 // Processor ends up here if an unexpected interrupt occurs or a specific
559 // handler is not present in the application code.
560 //*****************************************************************************
IntDefaultHandler(void)561 WEAK_AV void IntDefaultHandler(void)
562 { while(1) {}
563 }
564 
565 //*****************************************************************************
566 // Default application exception handlers. Override the ones here by defining
567 // your own handler routines in your application code. These routines call
568 // driver exception handlers or IntDefaultHandler() if no driver exception
569 // handler is included.
570 //*****************************************************************************
WDT_BOD_IRQHandler(void)571 WEAK void WDT_BOD_IRQHandler(void)
572 {   WDT_BOD_DriverIRQHandler();
573 }
574 
DMA0_IRQHandler(void)575 WEAK void DMA0_IRQHandler(void)
576 {   DMA0_DriverIRQHandler();
577 }
578 
GINT0_IRQHandler(void)579 WEAK void GINT0_IRQHandler(void)
580 {   GINT0_DriverIRQHandler();
581 }
582 
GINT1_IRQHandler(void)583 WEAK void GINT1_IRQHandler(void)
584 {   GINT1_DriverIRQHandler();
585 }
586 
PIN_INT0_IRQHandler(void)587 WEAK void PIN_INT0_IRQHandler(void)
588 {   PIN_INT0_DriverIRQHandler();
589 }
590 
PIN_INT1_IRQHandler(void)591 WEAK void PIN_INT1_IRQHandler(void)
592 {   PIN_INT1_DriverIRQHandler();
593 }
594 
PIN_INT2_IRQHandler(void)595 WEAK void PIN_INT2_IRQHandler(void)
596 {   PIN_INT2_DriverIRQHandler();
597 }
598 
PIN_INT3_IRQHandler(void)599 WEAK void PIN_INT3_IRQHandler(void)
600 {   PIN_INT3_DriverIRQHandler();
601 }
602 
UTICK0_IRQHandler(void)603 WEAK void UTICK0_IRQHandler(void)
604 {   UTICK0_DriverIRQHandler();
605 }
606 
MRT0_IRQHandler(void)607 WEAK void MRT0_IRQHandler(void)
608 {   MRT0_DriverIRQHandler();
609 }
610 
CTIMER0_IRQHandler(void)611 WEAK void CTIMER0_IRQHandler(void)
612 {   CTIMER0_DriverIRQHandler();
613 }
614 
CTIMER1_IRQHandler(void)615 WEAK void CTIMER1_IRQHandler(void)
616 {   CTIMER1_DriverIRQHandler();
617 }
618 
SCT0_IRQHandler(void)619 WEAK void SCT0_IRQHandler(void)
620 {   SCT0_DriverIRQHandler();
621 }
622 
CTIMER3_IRQHandler(void)623 WEAK void CTIMER3_IRQHandler(void)
624 {   CTIMER3_DriverIRQHandler();
625 }
626 
FLEXCOMM0_IRQHandler(void)627 WEAK void FLEXCOMM0_IRQHandler(void)
628 {   FLEXCOMM0_DriverIRQHandler();
629 }
630 
FLEXCOMM1_IRQHandler(void)631 WEAK void FLEXCOMM1_IRQHandler(void)
632 {   FLEXCOMM1_DriverIRQHandler();
633 }
634 
FLEXCOMM2_IRQHandler(void)635 WEAK void FLEXCOMM2_IRQHandler(void)
636 {   FLEXCOMM2_DriverIRQHandler();
637 }
638 
FLEXCOMM3_IRQHandler(void)639 WEAK void FLEXCOMM3_IRQHandler(void)
640 {   FLEXCOMM3_DriverIRQHandler();
641 }
642 
FLEXCOMM4_IRQHandler(void)643 WEAK void FLEXCOMM4_IRQHandler(void)
644 {   FLEXCOMM4_DriverIRQHandler();
645 }
646 
FLEXCOMM5_IRQHandler(void)647 WEAK void FLEXCOMM5_IRQHandler(void)
648 {   FLEXCOMM5_DriverIRQHandler();
649 }
650 
FLEXCOMM6_IRQHandler(void)651 WEAK void FLEXCOMM6_IRQHandler(void)
652 {   FLEXCOMM6_DriverIRQHandler();
653 }
654 
FLEXCOMM7_IRQHandler(void)655 WEAK void FLEXCOMM7_IRQHandler(void)
656 {   FLEXCOMM7_DriverIRQHandler();
657 }
658 
ADC0_SEQA_IRQHandler(void)659 WEAK void ADC0_SEQA_IRQHandler(void)
660 {   ADC0_SEQA_DriverIRQHandler();
661 }
662 
ADC0_SEQB_IRQHandler(void)663 WEAK void ADC0_SEQB_IRQHandler(void)
664 {   ADC0_SEQB_DriverIRQHandler();
665 }
666 
ADC0_THCMP_IRQHandler(void)667 WEAK void ADC0_THCMP_IRQHandler(void)
668 {   ADC0_THCMP_DriverIRQHandler();
669 }
670 
DMIC0_IRQHandler(void)671 WEAK void DMIC0_IRQHandler(void)
672 {   DMIC0_DriverIRQHandler();
673 }
674 
HWVAD0_IRQHandler(void)675 WEAK void HWVAD0_IRQHandler(void)
676 {   HWVAD0_DriverIRQHandler();
677 }
678 
USB0_NEEDCLK_IRQHandler(void)679 WEAK void USB0_NEEDCLK_IRQHandler(void)
680 {   USB0_NEEDCLK_DriverIRQHandler();
681 }
682 
USB0_IRQHandler(void)683 WEAK void USB0_IRQHandler(void)
684 {   USB0_DriverIRQHandler();
685 }
686 
RTC_IRQHandler(void)687 WEAK void RTC_IRQHandler(void)
688 {   RTC_DriverIRQHandler();
689 }
690 
FLEXCOMM10_IRQHandler(void)691 WEAK void FLEXCOMM10_IRQHandler(void)
692 {   FLEXCOMM10_DriverIRQHandler();
693 }
694 
Reserved47_IRQHandler(void)695 WEAK void Reserved47_IRQHandler(void)
696 {   Reserved47_DriverIRQHandler();
697 }
698 
PIN_INT4_IRQHandler(void)699 WEAK void PIN_INT4_IRQHandler(void)
700 {   PIN_INT4_DriverIRQHandler();
701 }
702 
PIN_INT5_IRQHandler(void)703 WEAK void PIN_INT5_IRQHandler(void)
704 {   PIN_INT5_DriverIRQHandler();
705 }
706 
PIN_INT6_IRQHandler(void)707 WEAK void PIN_INT6_IRQHandler(void)
708 {   PIN_INT6_DriverIRQHandler();
709 }
710 
PIN_INT7_IRQHandler(void)711 WEAK void PIN_INT7_IRQHandler(void)
712 {   PIN_INT7_DriverIRQHandler();
713 }
714 
CTIMER2_IRQHandler(void)715 WEAK void CTIMER2_IRQHandler(void)
716 {   CTIMER2_DriverIRQHandler();
717 }
718 
CTIMER4_IRQHandler(void)719 WEAK void CTIMER4_IRQHandler(void)
720 {   CTIMER4_DriverIRQHandler();
721 }
722 
RIT_IRQHandler(void)723 WEAK void RIT_IRQHandler(void)
724 {   RIT_DriverIRQHandler();
725 }
726 
SPIFI0_IRQHandler(void)727 WEAK void SPIFI0_IRQHandler(void)
728 {   SPIFI0_DriverIRQHandler();
729 }
730 
FLEXCOMM8_IRQHandler(void)731 WEAK void FLEXCOMM8_IRQHandler(void)
732 {   FLEXCOMM8_DriverIRQHandler();
733 }
734 
FLEXCOMM9_IRQHandler(void)735 WEAK void FLEXCOMM9_IRQHandler(void)
736 {   FLEXCOMM9_DriverIRQHandler();
737 }
738 
SDIO_IRQHandler(void)739 WEAK void SDIO_IRQHandler(void)
740 {   SDIO_DriverIRQHandler();
741 }
742 
CAN0_IRQ0_IRQHandler(void)743 WEAK void CAN0_IRQ0_IRQHandler(void)
744 {   CAN0_IRQ0_DriverIRQHandler();
745 }
746 
CAN0_IRQ1_IRQHandler(void)747 WEAK void CAN0_IRQ1_IRQHandler(void)
748 {   CAN0_IRQ1_DriverIRQHandler();
749 }
750 
CAN1_IRQ0_IRQHandler(void)751 WEAK void CAN1_IRQ0_IRQHandler(void)
752 {   CAN1_IRQ0_DriverIRQHandler();
753 }
754 
CAN1_IRQ1_IRQHandler(void)755 WEAK void CAN1_IRQ1_IRQHandler(void)
756 {   CAN1_IRQ1_DriverIRQHandler();
757 }
758 
USB1_IRQHandler(void)759 WEAK void USB1_IRQHandler(void)
760 {   USB1_DriverIRQHandler();
761 }
762 
USB1_NEEDCLK_IRQHandler(void)763 WEAK void USB1_NEEDCLK_IRQHandler(void)
764 {   USB1_NEEDCLK_DriverIRQHandler();
765 }
766 
ETHERNET_IRQHandler(void)767 WEAK void ETHERNET_IRQHandler(void)
768 {   ETHERNET_DriverIRQHandler();
769 }
770 
ETHERNET_PMT_IRQHandler(void)771 WEAK void ETHERNET_PMT_IRQHandler(void)
772 {   ETHERNET_PMT_DriverIRQHandler();
773 }
774 
ETHERNET_MACLP_IRQHandler(void)775 WEAK void ETHERNET_MACLP_IRQHandler(void)
776 {   ETHERNET_MACLP_DriverIRQHandler();
777 }
778 
Reserved68_IRQHandler(void)779 WEAK void Reserved68_IRQHandler(void)
780 {   Reserved68_DriverIRQHandler();
781 }
782 
LCD_IRQHandler(void)783 WEAK void LCD_IRQHandler(void)
784 {   LCD_DriverIRQHandler();
785 }
786 
SHA_IRQHandler(void)787 WEAK void SHA_IRQHandler(void)
788 {   SHA_DriverIRQHandler();
789 }
790 
SMARTCARD0_IRQHandler(void)791 WEAK void SMARTCARD0_IRQHandler(void)
792 {   SMARTCARD0_DriverIRQHandler();
793 }
794 
SMARTCARD1_IRQHandler(void)795 WEAK void SMARTCARD1_IRQHandler(void)
796 {   SMARTCARD1_DriverIRQHandler();
797 }
798 
799 //*****************************************************************************
800 
801 #if defined (DEBUG)
802 #pragma GCC pop_options
803 #endif // (DEBUG)
804