1/* ------------------------------------------------------------------------- */
2/*  @file:    startup_MIMXRT1015.s                                           */
3/*  @purpose: CMSIS Cortex-M7 Core Device Startup File                       */
4/*            MIMXRT1015                                                     */
5/*  @version: 1.3                                                            */
6/*  @date:    2021-8-10                                                      */
7/*  @build:   b231019                                                        */
8/* ------------------------------------------------------------------------- */
9/*                                                                           */
10/* Copyright 1997-2016 Freescale Semiconductor, Inc.                         */
11/* Copyright 2016-2023 NXP                                                   */
12/* SPDX-License-Identifier: BSD-3-Clause                                     */
13/*****************************************************************************/
14/* Version: GCC for ARM Embedded Processors                                  */
15/*****************************************************************************/
16    .syntax unified
17    .arch armv7-m
18
19    .section .isr_vector, "a"
20    .align 2
21    .globl __isr_vector
22__isr_vector:
23    .long   __StackTop                                      /* Top of Stack */
24    .long   Reset_Handler                                   /* Reset Handler */
25    .long   NMI_Handler                                     /* NMI Handler*/
26    .long   HardFault_Handler                               /* Hard Fault Handler*/
27    .long   MemManage_Handler                               /* MPU Fault Handler*/
28    .long   BusFault_Handler                                /* Bus Fault Handler*/
29    .long   UsageFault_Handler                              /* Usage Fault Handler*/
30    .long   0                                               /* Reserved*/
31    .long   0                                               /* Reserved*/
32    .long   0                                               /* Reserved*/
33    .long   0                                               /* Reserved*/
34    .long   SVC_Handler                                     /* SVCall Handler*/
35    .long   DebugMon_Handler                                /* Debug Monitor Handler*/
36    .long   0                                               /* Reserved*/
37    .long   PendSV_Handler                                  /* PendSV Handler*/
38    .long   SysTick_Handler                                 /* SysTick Handler*/
39
40                                                            /* External Interrupts*/
41    .long   DMA0_DMA16_IRQHandler                           /* DMA channel 0/16 transfer complete*/
42    .long   DMA1_DMA17_IRQHandler                           /* DMA channel 1/17 transfer complete*/
43    .long   DMA2_DMA18_IRQHandler                           /* DMA channel 2/18 transfer complete*/
44    .long   DMA3_DMA19_IRQHandler                           /* DMA channel 3/19 transfer complete*/
45    .long   DMA4_DMA20_IRQHandler                           /* DMA channel 4/20 transfer complete*/
46    .long   DMA5_DMA21_IRQHandler                           /* DMA channel 5/21 transfer complete*/
47    .long   DMA6_DMA22_IRQHandler                           /* DMA channel 6/22 transfer complete*/
48    .long   DMA7_DMA23_IRQHandler                           /* DMA channel 7/23 transfer complete*/
49    .long   DMA8_DMA24_IRQHandler                           /* DMA channel 8/24 transfer complete*/
50    .long   DMA9_DMA25_IRQHandler                           /* DMA channel 9/25 transfer complete*/
51    .long   DMA10_DMA26_IRQHandler                          /* DMA channel 10/26 transfer complete*/
52    .long   DMA11_DMA27_IRQHandler                          /* DMA channel 11/27 transfer complete*/
53    .long   DMA12_DMA28_IRQHandler                          /* DMA channel 12/28 transfer complete*/
54    .long   DMA13_DMA29_IRQHandler                          /* DMA channel 13/29 transfer complete*/
55    .long   DMA14_DMA30_IRQHandler                          /* DMA channel 14/30 transfer complete*/
56    .long   DMA15_DMA31_IRQHandler                          /* DMA channel 15/31 transfer complete*/
57    .long   DMA_ERROR_IRQHandler                            /* DMA error interrupt channels 0-15 / 16-31*/
58    .long   CTI0_ERROR_IRQHandler                           /* CTI trigger outputs*/
59    .long   CTI1_ERROR_IRQHandler                           /* CTI trigger outputs*/
60    .long   CORE_IRQHandler                                 /* CorePlatform exception IRQ*/
61    .long   LPUART1_IRQHandler                              /* LPUART1 TX interrupt and RX interrupt*/
62    .long   LPUART2_IRQHandler                              /* LPUART2 TX interrupt and RX interrupt*/
63    .long   LPUART3_IRQHandler                              /* LPUART3 TX interrupt and RX interrupt*/
64    .long   LPUART4_IRQHandler                              /* LPUART4 TX interrupt and RX interrupt*/
65    .long   Reserved40_IRQHandler                           /* Reserved interrupt*/
66    .long   Reserved41_IRQHandler                           /* Reserved interrupt*/
67    .long   Reserved42_IRQHandler                           /* Reserved interrupt*/
68    .long   Reserved43_IRQHandler                           /* Reserved interrupt*/
69    .long   LPI2C1_IRQHandler                               /* LPI2C1 interrupt*/
70    .long   LPI2C2_IRQHandler                               /* LPI2C2 interrupt*/
71    .long   Reserved46_IRQHandler                           /* Reserved interrupt*/
72    .long   Reserved47_IRQHandler                           /* Reserved interrupt*/
73    .long   LPSPI1_IRQHandler                               /* LPSPI1 single interrupt vector for all sources*/
74    .long   LPSPI2_IRQHandler                               /* LPSPI2 single interrupt vector for all sources*/
75    .long   Reserved50_IRQHandler                           /* Reserved interrupt*/
76    .long   Reserved51_IRQHandler                           /* Reserved interrupt*/
77    .long   Reserved52_IRQHandler                           /* Reserved interrupt*/
78    .long   Reserved53_IRQHandler                           /* Reserved interrupt*/
79    .long   FLEXRAM_IRQHandler                              /* FlexRAM address out of range Or access hit IRQ*/
80    .long   KPP_IRQHandler                                  /* Keypad nterrupt*/
81    .long   Reserved56_IRQHandler                           /* Reserved interrupt*/
82    .long   GPR_IRQ_IRQHandler                              /* Used to notify cores on exception condition while boot*/
83    .long   Reserved58_IRQHandler                           /* Reserved interrupt*/
84    .long   Reserved59_IRQHandler                           /* Reserved interrupt*/
85    .long   Reserved60_IRQHandler                           /* Reserved interrupt*/
86    .long   WDOG2_IRQHandler                                /* WDOG2 interrupt*/
87    .long   SNVS_HP_WRAPPER_IRQHandler                      /* SNVS Functional Interrupt*/
88    .long   SNVS_HP_WRAPPER_TZ_IRQHandler                   /* SNVS Security Interrupt*/
89    .long   SNVS_LP_WRAPPER_IRQHandler                      /* ON-OFF button press shorter than 5 secs (pulse event)*/
90    .long   CSU_IRQHandler                                  /* CSU interrupt*/
91    .long   DCP_IRQHandler                                  /* Combined DCP channel interrupts(except channel 0) and CRC interrupt*/
92    .long   DCP_VMI_IRQHandler                              /* IRQ of DCP channel 0*/
93    .long   Reserved68_IRQHandler                           /* Reserved interrupt*/
94    .long   TRNG_IRQHandler                                 /* TRNG interrupt*/
95    .long   Reserved70_IRQHandler                           /* Reserved interrupt*/
96    .long   BEE_IRQHandler                                  /* BEE interrupt*/
97    .long   SAI1_IRQHandler                                 /* SAI1 interrupt*/
98    .long   SAI2_IRQHandler                                 /* SAI1 interrupt*/
99    .long   SAI3_RX_IRQHandler                              /* SAI3 interrupt*/
100    .long   SAI3_TX_IRQHandler                              /* SAI3 interrupt*/
101    .long   SPDIF_IRQHandler                                /* SPDIF interrupt*/
102    .long   PMU_IRQHandler                                  /* PMU interrupt*/
103    .long   Reserved78_IRQHandler                           /* Reserved interrupt*/
104    .long   TEMP_LOW_HIGH_IRQHandler                        /* TEMPMON interrupt*/
105    .long   TEMP_PANIC_IRQHandler                           /* TEMPMON interrupt*/
106    .long   USB_PHY_IRQHandler                              /* USBPHY (OTG1 UTMI), Interrupt*/
107    .long   Reserved82_IRQHandler                           /* Reserved interrupt*/
108    .long   ADC1_IRQHandler                                 /* ADC1 interrupt*/
109    .long   Reserved84_IRQHandler                           /* Reserved interrupt*/
110    .long   DCDC_IRQHandler                                 /* DCDC interrupt*/
111    .long   Reserved86_IRQHandler                           /* Reserved interrupt*/
112    .long   Reserved87_IRQHandler                           /* Reserved interrupt*/
113    .long   GPIO1_INT0_IRQHandler                           /* Active HIGH Interrupt from INT0 from GPIO*/
114    .long   GPIO1_INT1_IRQHandler                           /* Active HIGH Interrupt from INT1 from GPIO*/
115    .long   GPIO1_INT2_IRQHandler                           /* Active HIGH Interrupt from INT2 from GPIO*/
116    .long   GPIO1_INT3_IRQHandler                           /* Active HIGH Interrupt from INT3 from GPIO*/
117    .long   GPIO1_INT4_IRQHandler                           /* Active HIGH Interrupt from INT4 from GPIO*/
118    .long   GPIO1_INT5_IRQHandler                           /* Active HIGH Interrupt from INT5 from GPIO*/
119    .long   GPIO1_INT6_IRQHandler                           /* Active HIGH Interrupt from INT6 from GPIO*/
120    .long   GPIO1_INT7_IRQHandler                           /* Active HIGH Interrupt from INT7 from GPIO*/
121    .long   GPIO1_Combined_0_15_IRQHandler                  /* Combined interrupt indication for GPIO1 signal 0 throughout 15*/
122    .long   GPIO1_Combined_16_31_IRQHandler                 /* Combined interrupt indication for GPIO1 signal 16 throughout 31*/
123    .long   GPIO2_Combined_0_15_IRQHandler                  /* Combined interrupt indication for GPIO2 signal 0 throughout 15*/
124    .long   GPIO2_Combined_16_31_IRQHandler                 /* Combined interrupt indication for GPIO2 signal 16 throughout 31*/
125    .long   GPIO3_Combined_0_15_IRQHandler                  /* Combined interrupt indication for GPIO3 signal 0 throughout 15*/
126    .long   GPIO3_Combined_16_31_IRQHandler                 /* Combined interrupt indication for GPIO3 signal 16 throughout 31*/
127    .long   Reserved102_IRQHandler                          /* Reserved interrupt*/
128    .long   Reserved103_IRQHandler                          /* Reserved interrupt*/
129    .long   GPIO5_Combined_0_15_IRQHandler                  /* Combined interrupt indication for GPIO5 signal 0 throughout 15*/
130    .long   GPIO5_Combined_16_31_IRQHandler                 /* Combined interrupt indication for GPIO5 signal 16 throughout 31*/
131    .long   FLEXIO1_IRQHandler                              /* FLEXIO1 interrupt*/
132    .long   Reserved107_IRQHandler                          /* Reserved interrupt*/
133    .long   WDOG1_IRQHandler                                /* WDOG1 interrupt*/
134    .long   RTWDOG_IRQHandler                               /* RTWDOG interrupt*/
135    .long   EWM_IRQHandler                                  /* EWM interrupt*/
136    .long   CCM_1_IRQHandler                                /* CCM IRQ1 interrupt*/
137    .long   CCM_2_IRQHandler                                /* CCM IRQ2 interrupt*/
138    .long   GPC_IRQHandler                                  /* GPC interrupt*/
139    .long   SRC_IRQHandler                                  /* SRC interrupt*/
140    .long   Reserved115_IRQHandler                          /* Reserved interrupt*/
141    .long   GPT1_IRQHandler                                 /* GPT1 interrupt*/
142    .long   GPT2_IRQHandler                                 /* GPT2 interrupt*/
143    .long   PWM1_0_IRQHandler                               /* PWM1 capture 0, compare 0, or reload 0 interrupt*/
144    .long   PWM1_1_IRQHandler                               /* PWM1 capture 1, compare 1, or reload 0 interrupt*/
145    .long   PWM1_2_IRQHandler                               /* PWM1 capture 2, compare 2, or reload 0 interrupt*/
146    .long   PWM1_3_IRQHandler                               /* PWM1 capture 3, compare 3, or reload 0 interrupt*/
147    .long   PWM1_FAULT_IRQHandler                           /* PWM1 fault or reload error interrupt*/
148    .long   Reserved123_IRQHandler                          /* Reserved interrupt*/
149    .long   FLEXSPI_IRQHandler                              /* FlexSPI0 interrupt*/
150    .long   Reserved125_IRQHandler                          /* Reserved interrupt*/
151    .long   Reserved126_IRQHandler                          /* Reserved interrupt*/
152    .long   Reserved127_IRQHandler                          /* Reserved interrupt*/
153    .long   Reserved128_IRQHandler                          /* Reserved interrupt*/
154    .long   USB_OTG1_IRQHandler                             /* USBO2 USB OTG1*/
155    .long   Reserved130_IRQHandler                          /* Reserved interrupt*/
156    .long   Reserved131_IRQHandler                          /* Reserved interrupt*/
157    .long   XBAR1_IRQ_0_1_IRQHandler                        /* XBARA output signal 0, 1 interrupt*/
158    .long   XBAR1_IRQ_2_3_IRQHandler                        /* XBARA output signal 2, 3 interrupt*/
159    .long   ADC_ETC_IRQ0_IRQHandler                         /* ADCETC IRQ0 interrupt*/
160    .long   ADC_ETC_IRQ1_IRQHandler                         /* ADCETC IRQ1 interrupt*/
161    .long   ADC_ETC_IRQ2_IRQHandler                         /* ADCETC IRQ2 interrupt*/
162    .long   ADC_ETC_ERROR_IRQ_IRQHandler                    /* ADCETC Error IRQ interrupt*/
163    .long   PIT_IRQHandler                                  /* PIT interrupt*/
164    .long   Reserved139_IRQHandler                          /* Reserved interrupt*/
165    .long   Reserved140_IRQHandler                          /* Reserved interrupt*/
166    .long   Reserved141_IRQHandler                          /* Reserved interrupt*/
167    .long   Reserved142_IRQHandler                          /* Reserved interrupt*/
168    .long   Reserved143_IRQHandler                          /* Reserved interrupt*/
169    .long   Reserved144_IRQHandler                          /* Reserved interrupt*/
170    .long   ENC1_IRQHandler                                 /* ENC1 interrupt*/
171    .long   Reserved146_IRQHandler                          /* Reserved interrupt*/
172    .long   Reserved147_IRQHandler                          /* Reserved interrupt*/
173    .long   Reserved148_IRQHandler                          /* Reserved interrupt*/
174    .long   TMR1_IRQHandler                                 /* TMR1 interrupt*/
175    .long   DefaultISR                                      /* 150*/
176    .long   DefaultISR                                      /* 151*/
177    .long   DefaultISR                                      /* 152*/
178    .long   DefaultISR                                      /* 153*/
179    .long   DefaultISR                                      /* 154*/
180    .long   DefaultISR                                      /* 155*/
181    .long   DefaultISR                                      /* 156*/
182    .long   DefaultISR                                      /* 157*/
183    .long   DefaultISR                                      /* 158*/
184    .long   DefaultISR                                      /* 159*/
185    .long   DefaultISR                                      /* 160*/
186    .long   DefaultISR                                      /* 161*/
187    .long   DefaultISR                                      /* 162*/
188    .long   DefaultISR                                      /* 163*/
189    .long   DefaultISR                                      /* 164*/
190    .long   DefaultISR                                      /* 165*/
191    .long   DefaultISR                                      /* 166*/
192    .long   DefaultISR                                      /* 167*/
193    .long   DefaultISR                                      /* 168*/
194    .long   DefaultISR                                      /* 169*/
195    .long   DefaultISR                                      /* 170*/
196    .long   DefaultISR                                      /* 171*/
197    .long   DefaultISR                                      /* 172*/
198    .long   DefaultISR                                      /* 173*/
199    .long   DefaultISR                                      /* 174*/
200    .long   DefaultISR                                      /* 175*/
201    .long   DefaultISR                                      /* 176*/
202    .long   DefaultISR                                      /* 177*/
203    .long   DefaultISR                                      /* 178*/
204    .long   DefaultISR                                      /* 179*/
205    .long   DefaultISR                                      /* 180*/
206    .long   DefaultISR                                      /* 181*/
207    .long   DefaultISR                                      /* 182*/
208    .long   DefaultISR                                      /* 183*/
209    .long   DefaultISR                                      /* 184*/
210    .long   DefaultISR                                      /* 185*/
211    .long   DefaultISR                                      /* 186*/
212    .long   DefaultISR                                      /* 187*/
213    .long   DefaultISR                                      /* 188*/
214    .long   DefaultISR                                      /* 189*/
215    .long   DefaultISR                                      /* 190*/
216    .long   DefaultISR                                      /* 191*/
217    .long   DefaultISR                                      /* 192*/
218    .long   DefaultISR                                      /* 193*/
219    .long   DefaultISR                                      /* 194*/
220    .long   DefaultISR                                      /* 195*/
221    .long   DefaultISR                                      /* 196*/
222    .long   DefaultISR                                      /* 197*/
223    .long   DefaultISR                                      /* 198*/
224    .long   DefaultISR                                      /* 199*/
225    .long   DefaultISR                                      /* 200*/
226    .long   DefaultISR                                      /* 201*/
227    .long   DefaultISR                                      /* 202*/
228    .long   DefaultISR                                      /* 203*/
229    .long   DefaultISR                                      /* 204*/
230    .long   DefaultISR                                      /* 205*/
231    .long   DefaultISR                                      /* 206*/
232    .long   DefaultISR                                      /* 207*/
233    .long   DefaultISR                                      /* 208*/
234    .long   DefaultISR                                      /* 209*/
235    .long   DefaultISR                                      /* 210*/
236    .long   DefaultISR                                      /* 211*/
237    .long   DefaultISR                                      /* 212*/
238    .long   DefaultISR                                      /* 213*/
239    .long   DefaultISR                                      /* 214*/
240    .long   DefaultISR                                      /* 215*/
241    .long   DefaultISR                                      /* 216*/
242    .long   DefaultISR                                      /* 217*/
243    .long   DefaultISR                                      /* 218*/
244    .long   DefaultISR                                      /* 219*/
245    .long   DefaultISR                                      /* 220*/
246    .long   DefaultISR                                      /* 221*/
247    .long   DefaultISR                                      /* 222*/
248    .long   DefaultISR                                      /* 223*/
249    .long   DefaultISR                                      /* 224*/
250    .long   DefaultISR                                      /* 225*/
251    .long   DefaultISR                                      /* 226*/
252    .long   DefaultISR                                      /* 227*/
253    .long   DefaultISR                                      /* 228*/
254    .long   DefaultISR                                      /* 229*/
255    .long   DefaultISR                                      /* 230*/
256    .long   DefaultISR                                      /* 231*/
257    .long   DefaultISR                                      /* 232*/
258    .long   DefaultISR                                      /* 233*/
259    .long   DefaultISR                                      /* 234*/
260    .long   DefaultISR                                      /* 235*/
261    .long   DefaultISR                                      /* 236*/
262    .long   DefaultISR                                      /* 237*/
263    .long   DefaultISR                                      /* 238*/
264    .long   DefaultISR                                      /* 239*/
265    .long   DefaultISR                                      /* 240*/
266    .long   DefaultISR                                      /* 241*/
267    .long   DefaultISR                                      /* 242*/
268    .long   DefaultISR                                      /* 243*/
269    .long   DefaultISR                                      /* 244*/
270    .long   DefaultISR                                      /* 245*/
271    .long   DefaultISR                                      /* 246*/
272    .long   DefaultISR                                      /* 247*/
273    .long   DefaultISR                                      /* 248*/
274    .long   DefaultISR                                      /* 249*/
275    .long   DefaultISR                                      /* 250*/
276    .long   DefaultISR                                      /* 251*/
277    .long   DefaultISR                                      /* 252*/
278    .long   DefaultISR                                      /* 253*/
279    .long   DefaultISR                                      /* 254*/
280    .long   0xFFFFFFFF                                      /*  Reserved for user TRIM value*/
281
282    .size   __isr_vector, . - __isr_vector
283
284    .text
285    .thumb
286
287#if defined (__cplusplus)
288#ifdef __REDLIB__
289#error Redlib does not support C++
290#endif
291#endif
292/* Reset Handler */
293
294    .thumb_func
295    .align 2
296    .globl   Reset_Handler
297    .weak    Reset_Handler
298    .type    Reset_Handler, %function
299Reset_Handler:
300    cpsid   i               /* Mask interrupts */
301    .equ    VTOR, 0xE000ED08
302    ldr     r0, =VTOR
303    ldr     r1, =__isr_vector
304    str     r1, [r0]
305    ldr     r2, [r1]
306    msr     msp, r2
307#ifndef __NO_SYSTEM_INIT
308    ldr   r0,=SystemInit
309    blx   r0
310#endif
311/*     Loop to copy data from read only memory to RAM. The ranges
312 *      of copy from/to are specified by following symbols evaluated in
313 *      linker script.
314 *      __etext: End of code section, i.e., begin of data sections to copy from.
315 *      __data_start__/__data_end__: RAM address range that data should be
316 *      __noncachedata_start__/__noncachedata_end__ : none cachable region
317 *      __ram_function_start__/__ram_function_end__ : ramfunction region
318 *      copied to. Both must be aligned to 4 bytes boundary.  */
319
320    ldr    r1, =__etext
321    ldr    r2, =__data_start__
322    ldr    r3, =__data_end__
323
324#ifdef __PERFORMANCE_IMPLEMENTATION
325/* Here are two copies of loop implementations. First one favors performance
326 * and the second one favors code size. Default uses the second one.
327 * Define macro "__PERFORMANCE_IMPLEMENTATION" in project to use the first one */
328    subs    r3, r2
329    ble    .LC1
330.LC0:
331    subs    r3, #4
332    ldr    r0, [r1, r3]
333    str    r0, [r2, r3]
334    bgt    .LC0
335.LC1:
336#else  /* code size implemenation */
337.LC0:
338    cmp     r2, r3
339    ittt    lt
340    ldrlt   r0, [r1], #4
341    strlt   r0, [r2], #4
342    blt    .LC0
343#endif
344#ifdef __STARTUP_INITIALIZE_RAMFUNCTION
345    ldr    r2, =__ram_function_start__
346    ldr    r3, =__ram_function_end__
347#ifdef __PERFORMANCE_IMPLEMENTATION
348/* Here are two copies of loop implementations. First one favors performance
349 * and the second one favors code size. Default uses the second one.
350 * Define macro "__PERFORMANCE_IMPLEMENTATION" in project to use the first one */
351    subs    r3, r2
352    ble    .LC_ramfunc_copy_end
353.LC_ramfunc_copy_start:
354    subs    r3, #4
355    ldr    r0, [r1, r3]
356    str    r0, [r2, r3]
357    bgt    .LC_ramfunc_copy_start
358.LC_ramfunc_copy_end:
359#else  /* code size implemenation */
360.LC_ramfunc_copy_start:
361    cmp     r2, r3
362    ittt    lt
363    ldrlt   r0, [r1], #4
364    strlt   r0, [r2], #4
365    blt    .LC_ramfunc_copy_start
366#endif
367#endif /* __STARTUP_INITIALIZE_RAMFUNCTION */
368#ifdef __STARTUP_INITIALIZE_NONCACHEDATA
369    ldr    r2, =__noncachedata_start__
370    ldr    r3, =__noncachedata_init_end__
371#ifdef __PERFORMANCE_IMPLEMENTATION
372/* Here are two copies of loop implementations. First one favors performance
373 * and the second one favors code size. Default uses the second one.
374 * Define macro "__PERFORMANCE_IMPLEMENTATION" in project to use the first one */
375    subs    r3, r2
376    ble    .LC3
377.LC2:
378    subs    r3, #4
379    ldr    r0, [r1, r3]
380    str    r0, [r2, r3]
381    bgt    .LC2
382.LC3:
383#else  /* code size implemenation */
384.LC2:
385    cmp     r2, r3
386    ittt    lt
387    ldrlt   r0, [r1], #4
388    strlt   r0, [r2], #4
389    blt    .LC2
390#endif
391/* zero inited ncache section initialization */
392    ldr r3, =__noncachedata_end__
393    movs    r0,0
394.LC4:
395    cmp    r2,r3
396    itt    lt
397    strlt   r0,[r2],#4
398    blt    .LC4
399#endif /* __STARTUP_INITIALIZE_NONCACHEDATA */
400
401#ifdef __STARTUP_CLEAR_BSS
402/*     This part of work usually is done in C library startup code. Otherwise,
403 *     define this macro to enable it in this startup.
404 *
405 *     Loop to zero out BSS section, which uses following symbols
406 *     in linker script:
407 *      __bss_start__: start of BSS section. Must align to 4
408 *      __bss_end__: end of BSS section. Must align to 4
409 */
410    ldr r1, =__bss_start__
411    ldr r2, =__bss_end__
412
413    movs    r0, 0
414.LC5:
415    cmp     r1, r2
416    itt    lt
417    strlt   r0, [r1], #4
418    blt    .LC5
419#endif /* __STARTUP_CLEAR_BSS */
420
421    cpsie   i               /* Unmask interrupts */
422#ifndef __START
423#ifdef __REDLIB__
424#define __START __main
425#else
426#define __START _start
427#endif
428#endif
429#ifndef __ATOLLIC__
430    ldr   r0,=__START
431    blx   r0
432#else
433    ldr   r0,=__libc_init_array
434    blx   r0
435    ldr   r0,=main
436    bx    r0
437#endif
438    .pool
439    .size Reset_Handler, . - Reset_Handler
440
441    .align  1
442    .thumb_func
443    .weak DefaultISR
444    .type DefaultISR, %function
445DefaultISR:
446    b DefaultISR
447    .size DefaultISR, . - DefaultISR
448
449    .align 1
450    .thumb_func
451    .weak NMI_Handler
452    .type NMI_Handler, %function
453NMI_Handler:
454    ldr   r0,=NMI_Handler
455    bx    r0
456    .size NMI_Handler, . - NMI_Handler
457
458    .align 1
459    .thumb_func
460    .weak HardFault_Handler
461    .type HardFault_Handler, %function
462HardFault_Handler:
463    ldr   r0,=HardFault_Handler
464    bx    r0
465    .size HardFault_Handler, . - HardFault_Handler
466
467    .align 1
468    .thumb_func
469    .weak SVC_Handler
470    .type SVC_Handler, %function
471SVC_Handler:
472    ldr   r0,=SVC_Handler
473    bx    r0
474    .size SVC_Handler, . - SVC_Handler
475
476    .align 1
477    .thumb_func
478    .weak PendSV_Handler
479    .type PendSV_Handler, %function
480PendSV_Handler:
481    ldr   r0,=PendSV_Handler
482    bx    r0
483    .size PendSV_Handler, . - PendSV_Handler
484
485    .align 1
486    .thumb_func
487    .weak SysTick_Handler
488    .type SysTick_Handler, %function
489SysTick_Handler:
490    ldr   r0,=SysTick_Handler
491    bx    r0
492    .size SysTick_Handler, . - SysTick_Handler
493
494    .align 1
495    .thumb_func
496    .weak DMA0_DMA16_IRQHandler
497    .type DMA0_DMA16_IRQHandler, %function
498DMA0_DMA16_IRQHandler:
499    ldr   r0,=DMA0_DMA16_DriverIRQHandler
500    bx    r0
501    .size DMA0_DMA16_IRQHandler, . - DMA0_DMA16_IRQHandler
502
503    .align 1
504    .thumb_func
505    .weak DMA1_DMA17_IRQHandler
506    .type DMA1_DMA17_IRQHandler, %function
507DMA1_DMA17_IRQHandler:
508    ldr   r0,=DMA1_DMA17_DriverIRQHandler
509    bx    r0
510    .size DMA1_DMA17_IRQHandler, . - DMA1_DMA17_IRQHandler
511
512    .align 1
513    .thumb_func
514    .weak DMA2_DMA18_IRQHandler
515    .type DMA2_DMA18_IRQHandler, %function
516DMA2_DMA18_IRQHandler:
517    ldr   r0,=DMA2_DMA18_DriverIRQHandler
518    bx    r0
519    .size DMA2_DMA18_IRQHandler, . - DMA2_DMA18_IRQHandler
520
521    .align 1
522    .thumb_func
523    .weak DMA3_DMA19_IRQHandler
524    .type DMA3_DMA19_IRQHandler, %function
525DMA3_DMA19_IRQHandler:
526    ldr   r0,=DMA3_DMA19_DriverIRQHandler
527    bx    r0
528    .size DMA3_DMA19_IRQHandler, . - DMA3_DMA19_IRQHandler
529
530    .align 1
531    .thumb_func
532    .weak DMA4_DMA20_IRQHandler
533    .type DMA4_DMA20_IRQHandler, %function
534DMA4_DMA20_IRQHandler:
535    ldr   r0,=DMA4_DMA20_DriverIRQHandler
536    bx    r0
537    .size DMA4_DMA20_IRQHandler, . - DMA4_DMA20_IRQHandler
538
539    .align 1
540    .thumb_func
541    .weak DMA5_DMA21_IRQHandler
542    .type DMA5_DMA21_IRQHandler, %function
543DMA5_DMA21_IRQHandler:
544    ldr   r0,=DMA5_DMA21_DriverIRQHandler
545    bx    r0
546    .size DMA5_DMA21_IRQHandler, . - DMA5_DMA21_IRQHandler
547
548    .align 1
549    .thumb_func
550    .weak DMA6_DMA22_IRQHandler
551    .type DMA6_DMA22_IRQHandler, %function
552DMA6_DMA22_IRQHandler:
553    ldr   r0,=DMA6_DMA22_DriverIRQHandler
554    bx    r0
555    .size DMA6_DMA22_IRQHandler, . - DMA6_DMA22_IRQHandler
556
557    .align 1
558    .thumb_func
559    .weak DMA7_DMA23_IRQHandler
560    .type DMA7_DMA23_IRQHandler, %function
561DMA7_DMA23_IRQHandler:
562    ldr   r0,=DMA7_DMA23_DriverIRQHandler
563    bx    r0
564    .size DMA7_DMA23_IRQHandler, . - DMA7_DMA23_IRQHandler
565
566    .align 1
567    .thumb_func
568    .weak DMA8_DMA24_IRQHandler
569    .type DMA8_DMA24_IRQHandler, %function
570DMA8_DMA24_IRQHandler:
571    ldr   r0,=DMA8_DMA24_DriverIRQHandler
572    bx    r0
573    .size DMA8_DMA24_IRQHandler, . - DMA8_DMA24_IRQHandler
574
575    .align 1
576    .thumb_func
577    .weak DMA9_DMA25_IRQHandler
578    .type DMA9_DMA25_IRQHandler, %function
579DMA9_DMA25_IRQHandler:
580    ldr   r0,=DMA9_DMA25_DriverIRQHandler
581    bx    r0
582    .size DMA9_DMA25_IRQHandler, . - DMA9_DMA25_IRQHandler
583
584    .align 1
585    .thumb_func
586    .weak DMA10_DMA26_IRQHandler
587    .type DMA10_DMA26_IRQHandler, %function
588DMA10_DMA26_IRQHandler:
589    ldr   r0,=DMA10_DMA26_DriverIRQHandler
590    bx    r0
591    .size DMA10_DMA26_IRQHandler, . - DMA10_DMA26_IRQHandler
592
593    .align 1
594    .thumb_func
595    .weak DMA11_DMA27_IRQHandler
596    .type DMA11_DMA27_IRQHandler, %function
597DMA11_DMA27_IRQHandler:
598    ldr   r0,=DMA11_DMA27_DriverIRQHandler
599    bx    r0
600    .size DMA11_DMA27_IRQHandler, . - DMA11_DMA27_IRQHandler
601
602    .align 1
603    .thumb_func
604    .weak DMA12_DMA28_IRQHandler
605    .type DMA12_DMA28_IRQHandler, %function
606DMA12_DMA28_IRQHandler:
607    ldr   r0,=DMA12_DMA28_DriverIRQHandler
608    bx    r0
609    .size DMA12_DMA28_IRQHandler, . - DMA12_DMA28_IRQHandler
610
611    .align 1
612    .thumb_func
613    .weak DMA13_DMA29_IRQHandler
614    .type DMA13_DMA29_IRQHandler, %function
615DMA13_DMA29_IRQHandler:
616    ldr   r0,=DMA13_DMA29_DriverIRQHandler
617    bx    r0
618    .size DMA13_DMA29_IRQHandler, . - DMA13_DMA29_IRQHandler
619
620    .align 1
621    .thumb_func
622    .weak DMA14_DMA30_IRQHandler
623    .type DMA14_DMA30_IRQHandler, %function
624DMA14_DMA30_IRQHandler:
625    ldr   r0,=DMA14_DMA30_DriverIRQHandler
626    bx    r0
627    .size DMA14_DMA30_IRQHandler, . - DMA14_DMA30_IRQHandler
628
629    .align 1
630    .thumb_func
631    .weak DMA15_DMA31_IRQHandler
632    .type DMA15_DMA31_IRQHandler, %function
633DMA15_DMA31_IRQHandler:
634    ldr   r0,=DMA15_DMA31_DriverIRQHandler
635    bx    r0
636    .size DMA15_DMA31_IRQHandler, . - DMA15_DMA31_IRQHandler
637
638    .align 1
639    .thumb_func
640    .weak DMA_ERROR_IRQHandler
641    .type DMA_ERROR_IRQHandler, %function
642DMA_ERROR_IRQHandler:
643    ldr   r0,=DMA_ERROR_DriverIRQHandler
644    bx    r0
645    .size DMA_ERROR_IRQHandler, . - DMA_ERROR_IRQHandler
646
647    .align 1
648    .thumb_func
649    .weak LPUART1_IRQHandler
650    .type LPUART1_IRQHandler, %function
651LPUART1_IRQHandler:
652    ldr   r0,=LPUART1_DriverIRQHandler
653    bx    r0
654    .size LPUART1_IRQHandler, . - LPUART1_IRQHandler
655
656    .align 1
657    .thumb_func
658    .weak LPUART2_IRQHandler
659    .type LPUART2_IRQHandler, %function
660LPUART2_IRQHandler:
661    ldr   r0,=LPUART2_DriverIRQHandler
662    bx    r0
663    .size LPUART2_IRQHandler, . - LPUART2_IRQHandler
664
665    .align 1
666    .thumb_func
667    .weak LPUART3_IRQHandler
668    .type LPUART3_IRQHandler, %function
669LPUART3_IRQHandler:
670    ldr   r0,=LPUART3_DriverIRQHandler
671    bx    r0
672    .size LPUART3_IRQHandler, . - LPUART3_IRQHandler
673
674    .align 1
675    .thumb_func
676    .weak LPUART4_IRQHandler
677    .type LPUART4_IRQHandler, %function
678LPUART4_IRQHandler:
679    ldr   r0,=LPUART4_DriverIRQHandler
680    bx    r0
681    .size LPUART4_IRQHandler, . - LPUART4_IRQHandler
682
683    .align 1
684    .thumb_func
685    .weak LPI2C1_IRQHandler
686    .type LPI2C1_IRQHandler, %function
687LPI2C1_IRQHandler:
688    ldr   r0,=LPI2C1_DriverIRQHandler
689    bx    r0
690    .size LPI2C1_IRQHandler, . - LPI2C1_IRQHandler
691
692    .align 1
693    .thumb_func
694    .weak LPI2C2_IRQHandler
695    .type LPI2C2_IRQHandler, %function
696LPI2C2_IRQHandler:
697    ldr   r0,=LPI2C2_DriverIRQHandler
698    bx    r0
699    .size LPI2C2_IRQHandler, . - LPI2C2_IRQHandler
700
701    .align 1
702    .thumb_func
703    .weak LPSPI1_IRQHandler
704    .type LPSPI1_IRQHandler, %function
705LPSPI1_IRQHandler:
706    ldr   r0,=LPSPI1_DriverIRQHandler
707    bx    r0
708    .size LPSPI1_IRQHandler, . - LPSPI1_IRQHandler
709
710    .align 1
711    .thumb_func
712    .weak LPSPI2_IRQHandler
713    .type LPSPI2_IRQHandler, %function
714LPSPI2_IRQHandler:
715    ldr   r0,=LPSPI2_DriverIRQHandler
716    bx    r0
717    .size LPSPI2_IRQHandler, . - LPSPI2_IRQHandler
718
719    .align 1
720    .thumb_func
721    .weak SAI1_IRQHandler
722    .type SAI1_IRQHandler, %function
723SAI1_IRQHandler:
724    ldr   r0,=SAI1_DriverIRQHandler
725    bx    r0
726    .size SAI1_IRQHandler, . - SAI1_IRQHandler
727
728    .align 1
729    .thumb_func
730    .weak SAI2_IRQHandler
731    .type SAI2_IRQHandler, %function
732SAI2_IRQHandler:
733    ldr   r0,=SAI2_DriverIRQHandler
734    bx    r0
735    .size SAI2_IRQHandler, . - SAI2_IRQHandler
736
737    .align 1
738    .thumb_func
739    .weak SAI3_RX_IRQHandler
740    .type SAI3_RX_IRQHandler, %function
741SAI3_RX_IRQHandler:
742    ldr   r0,=SAI3_RX_DriverIRQHandler
743    bx    r0
744    .size SAI3_RX_IRQHandler, . - SAI3_RX_IRQHandler
745
746    .align 1
747    .thumb_func
748    .weak SAI3_TX_IRQHandler
749    .type SAI3_TX_IRQHandler, %function
750SAI3_TX_IRQHandler:
751    ldr   r0,=SAI3_TX_DriverIRQHandler
752    bx    r0
753    .size SAI3_TX_IRQHandler, . - SAI3_TX_IRQHandler
754
755    .align 1
756    .thumb_func
757    .weak SPDIF_IRQHandler
758    .type SPDIF_IRQHandler, %function
759SPDIF_IRQHandler:
760    ldr   r0,=SPDIF_DriverIRQHandler
761    bx    r0
762    .size SPDIF_IRQHandler, . - SPDIF_IRQHandler
763
764    .align 1
765    .thumb_func
766    .weak FLEXIO1_IRQHandler
767    .type FLEXIO1_IRQHandler, %function
768FLEXIO1_IRQHandler:
769    ldr   r0,=FLEXIO1_DriverIRQHandler
770    bx    r0
771    .size FLEXIO1_IRQHandler, . - FLEXIO1_IRQHandler
772
773    .align 1
774    .thumb_func
775    .weak FLEXSPI_IRQHandler
776    .type FLEXSPI_IRQHandler, %function
777FLEXSPI_IRQHandler:
778    ldr   r0,=FLEXSPI_DriverIRQHandler
779    bx    r0
780    .size FLEXSPI_IRQHandler, . - FLEXSPI_IRQHandler
781
782
783/*    Macro to define default handlers. Default handler
784 *    will be weak symbol and just dead loops. They can be
785 *    overwritten by other handlers */
786    .macro def_irq_handler  handler_name
787    .weak \handler_name
788    .set  \handler_name, DefaultISR
789    .endm
790/* Exception Handlers */
791    def_irq_handler    MemManage_Handler
792    def_irq_handler    BusFault_Handler
793    def_irq_handler    UsageFault_Handler
794    def_irq_handler    DebugMon_Handler
795    def_irq_handler    DMA0_DMA16_DriverIRQHandler
796    def_irq_handler    DMA1_DMA17_DriverIRQHandler
797    def_irq_handler    DMA2_DMA18_DriverIRQHandler
798    def_irq_handler    DMA3_DMA19_DriverIRQHandler
799    def_irq_handler    DMA4_DMA20_DriverIRQHandler
800    def_irq_handler    DMA5_DMA21_DriverIRQHandler
801    def_irq_handler    DMA6_DMA22_DriverIRQHandler
802    def_irq_handler    DMA7_DMA23_DriverIRQHandler
803    def_irq_handler    DMA8_DMA24_DriverIRQHandler
804    def_irq_handler    DMA9_DMA25_DriverIRQHandler
805    def_irq_handler    DMA10_DMA26_DriverIRQHandler
806    def_irq_handler    DMA11_DMA27_DriverIRQHandler
807    def_irq_handler    DMA12_DMA28_DriverIRQHandler
808    def_irq_handler    DMA13_DMA29_DriverIRQHandler
809    def_irq_handler    DMA14_DMA30_DriverIRQHandler
810    def_irq_handler    DMA15_DMA31_DriverIRQHandler
811    def_irq_handler    DMA_ERROR_DriverIRQHandler
812    def_irq_handler    CTI0_ERROR_IRQHandler
813    def_irq_handler    CTI1_ERROR_IRQHandler
814    def_irq_handler    CORE_IRQHandler
815    def_irq_handler    LPUART1_DriverIRQHandler
816    def_irq_handler    LPUART2_DriverIRQHandler
817    def_irq_handler    LPUART3_DriverIRQHandler
818    def_irq_handler    LPUART4_DriverIRQHandler
819    def_irq_handler    Reserved40_IRQHandler
820    def_irq_handler    Reserved41_IRQHandler
821    def_irq_handler    Reserved42_IRQHandler
822    def_irq_handler    Reserved43_IRQHandler
823    def_irq_handler    LPI2C1_DriverIRQHandler
824    def_irq_handler    LPI2C2_DriverIRQHandler
825    def_irq_handler    Reserved46_IRQHandler
826    def_irq_handler    Reserved47_IRQHandler
827    def_irq_handler    LPSPI1_DriverIRQHandler
828    def_irq_handler    LPSPI2_DriverIRQHandler
829    def_irq_handler    Reserved50_IRQHandler
830    def_irq_handler    Reserved51_IRQHandler
831    def_irq_handler    Reserved52_IRQHandler
832    def_irq_handler    Reserved53_IRQHandler
833    def_irq_handler    FLEXRAM_IRQHandler
834    def_irq_handler    KPP_IRQHandler
835    def_irq_handler    Reserved56_IRQHandler
836    def_irq_handler    GPR_IRQ_IRQHandler
837    def_irq_handler    Reserved58_IRQHandler
838    def_irq_handler    Reserved59_IRQHandler
839    def_irq_handler    Reserved60_IRQHandler
840    def_irq_handler    WDOG2_IRQHandler
841    def_irq_handler    SNVS_HP_WRAPPER_IRQHandler
842    def_irq_handler    SNVS_HP_WRAPPER_TZ_IRQHandler
843    def_irq_handler    SNVS_LP_WRAPPER_IRQHandler
844    def_irq_handler    CSU_IRQHandler
845    def_irq_handler    DCP_IRQHandler
846    def_irq_handler    DCP_VMI_IRQHandler
847    def_irq_handler    Reserved68_IRQHandler
848    def_irq_handler    TRNG_IRQHandler
849    def_irq_handler    Reserved70_IRQHandler
850    def_irq_handler    BEE_IRQHandler
851    def_irq_handler    SAI1_DriverIRQHandler
852    def_irq_handler    SAI2_DriverIRQHandler
853    def_irq_handler    SAI3_RX_DriverIRQHandler
854    def_irq_handler    SAI3_TX_DriverIRQHandler
855    def_irq_handler    SPDIF_DriverIRQHandler
856    def_irq_handler    PMU_IRQHandler
857    def_irq_handler    Reserved78_IRQHandler
858    def_irq_handler    TEMP_LOW_HIGH_IRQHandler
859    def_irq_handler    TEMP_PANIC_IRQHandler
860    def_irq_handler    USB_PHY_IRQHandler
861    def_irq_handler    Reserved82_IRQHandler
862    def_irq_handler    ADC1_IRQHandler
863    def_irq_handler    Reserved84_IRQHandler
864    def_irq_handler    DCDC_IRQHandler
865    def_irq_handler    Reserved86_IRQHandler
866    def_irq_handler    Reserved87_IRQHandler
867    def_irq_handler    GPIO1_INT0_IRQHandler
868    def_irq_handler    GPIO1_INT1_IRQHandler
869    def_irq_handler    GPIO1_INT2_IRQHandler
870    def_irq_handler    GPIO1_INT3_IRQHandler
871    def_irq_handler    GPIO1_INT4_IRQHandler
872    def_irq_handler    GPIO1_INT5_IRQHandler
873    def_irq_handler    GPIO1_INT6_IRQHandler
874    def_irq_handler    GPIO1_INT7_IRQHandler
875    def_irq_handler    GPIO1_Combined_0_15_IRQHandler
876    def_irq_handler    GPIO1_Combined_16_31_IRQHandler
877    def_irq_handler    GPIO2_Combined_0_15_IRQHandler
878    def_irq_handler    GPIO2_Combined_16_31_IRQHandler
879    def_irq_handler    GPIO3_Combined_0_15_IRQHandler
880    def_irq_handler    GPIO3_Combined_16_31_IRQHandler
881    def_irq_handler    Reserved102_IRQHandler
882    def_irq_handler    Reserved103_IRQHandler
883    def_irq_handler    GPIO5_Combined_0_15_IRQHandler
884    def_irq_handler    GPIO5_Combined_16_31_IRQHandler
885    def_irq_handler    FLEXIO1_DriverIRQHandler
886    def_irq_handler    Reserved107_IRQHandler
887    def_irq_handler    WDOG1_IRQHandler
888    def_irq_handler    RTWDOG_IRQHandler
889    def_irq_handler    EWM_IRQHandler
890    def_irq_handler    CCM_1_IRQHandler
891    def_irq_handler    CCM_2_IRQHandler
892    def_irq_handler    GPC_IRQHandler
893    def_irq_handler    SRC_IRQHandler
894    def_irq_handler    Reserved115_IRQHandler
895    def_irq_handler    GPT1_IRQHandler
896    def_irq_handler    GPT2_IRQHandler
897    def_irq_handler    PWM1_0_IRQHandler
898    def_irq_handler    PWM1_1_IRQHandler
899    def_irq_handler    PWM1_2_IRQHandler
900    def_irq_handler    PWM1_3_IRQHandler
901    def_irq_handler    PWM1_FAULT_IRQHandler
902    def_irq_handler    Reserved123_IRQHandler
903    def_irq_handler    FLEXSPI_DriverIRQHandler
904    def_irq_handler    Reserved125_IRQHandler
905    def_irq_handler    Reserved126_IRQHandler
906    def_irq_handler    Reserved127_IRQHandler
907    def_irq_handler    Reserved128_IRQHandler
908    def_irq_handler    USB_OTG1_IRQHandler
909    def_irq_handler    Reserved130_IRQHandler
910    def_irq_handler    Reserved131_IRQHandler
911    def_irq_handler    XBAR1_IRQ_0_1_IRQHandler
912    def_irq_handler    XBAR1_IRQ_2_3_IRQHandler
913    def_irq_handler    ADC_ETC_IRQ0_IRQHandler
914    def_irq_handler    ADC_ETC_IRQ1_IRQHandler
915    def_irq_handler    ADC_ETC_IRQ2_IRQHandler
916    def_irq_handler    ADC_ETC_ERROR_IRQ_IRQHandler
917    def_irq_handler    PIT_IRQHandler
918    def_irq_handler    Reserved139_IRQHandler
919    def_irq_handler    Reserved140_IRQHandler
920    def_irq_handler    Reserved141_IRQHandler
921    def_irq_handler    Reserved142_IRQHandler
922    def_irq_handler    Reserved143_IRQHandler
923    def_irq_handler    Reserved144_IRQHandler
924    def_irq_handler    ENC1_IRQHandler
925    def_irq_handler    Reserved146_IRQHandler
926    def_irq_handler    Reserved147_IRQHandler
927    def_irq_handler    Reserved148_IRQHandler
928    def_irq_handler    TMR1_IRQHandler
929
930    .end
931