1/*
2** ###################################################################
3**     Processors:          MIMXRT1041DFP6B
4**                          MIMXRT1041DJM6B
5**                          MIMXRT1041XFP5B
6**                          MIMXRT1041XJM5B
7**
8**     Compiler:            GNU C Compiler
9**     Reference manual:    IMXRT1040RM Rev.1, 09/2022
10**     Version:             rev. 0.1, 2021-07-20
11**     Build:               b230821
12**
13**     Abstract:
14**         Linker file for the GNU C Compiler
15**
16**     Copyright 2016 Freescale Semiconductor, Inc.
17**     Copyright 2016-2023 NXP
18**     SPDX-License-Identifier: BSD-3-Clause
19**
20**     http:                 www.nxp.com
21**     mail:                 support@nxp.com
22**
23** ###################################################################
24*/
25
26/* Entry Point */
27ENTRY(Reset_Handler)
28
29HEAP_SIZE  = DEFINED(__heap_size__)  ? __heap_size__  : 0x0400;
30STACK_SIZE = DEFINED(__stack_size__) ? __stack_size__ : 0x0400;
31NCACHE_HEAP_START = DEFINED(__heap_noncacheable__) ? 0x82000000 - HEAP_SIZE : 0x81E00000 - HEAP_SIZE;
32NCACHE_HEAP_SIZE  = DEFINED(__heap_noncacheable__) ? HEAP_SIZE : 0x0000;
33
34/* Specify the memory areas */
35MEMORY
36{
37  m_interrupts          (RX)  : ORIGIN = 0x00000000, LENGTH = 0x00000400
38  m_text                (RX)  : ORIGIN = 0x00000400, LENGTH = 0x0001FC00
39  m_data                (RW)  : ORIGIN = 0x80000000, LENGTH = DEFINED(__heap_noncacheable__) ? 0x01E00000 : 0x01E00000 - HEAP_SIZE
40  m_ncache              (RW)  : ORIGIN = 0x81E00000, LENGTH = DEFINED(__heap_noncacheable__) ? 0x00200000 - HEAP_SIZE : 0x00200000
41  m_data2               (RW)  : ORIGIN = 0x20000000, LENGTH = 0x00020000
42  m_data3               (RW)  : ORIGIN = 0x20200000, LENGTH = 0x00040000
43  m_heap                (RW)  : ORIGIN = NCACHE_HEAP_START, LENGTH = HEAP_SIZE
44}
45
46/* Define output sections */
47SECTIONS
48{
49  __NCACHE_REGION_START = ORIGIN(m_ncache);
50  __NCACHE_REGION_SIZE  = LENGTH(m_ncache) + NCACHE_HEAP_SIZE;
51
52  /* The startup code goes first into internal RAM */
53  .interrupts :
54  {
55    __VECTOR_TABLE = .;
56    __Vectors = .;
57    . = ALIGN(4);
58    KEEP(*(.isr_vector))     /* Startup code */
59    . = ALIGN(4);
60  } > m_interrupts
61
62  /* The program code and other data goes into internal RAM */
63  .text :
64  {
65    . = ALIGN(4);
66    *(.text)                 /* .text sections (code) */
67    *(.text*)                /* .text* sections (code) */
68    *(.rodata)               /* .rodata sections (constants, strings, etc.) */
69    *(.rodata*)              /* .rodata* sections (constants, strings, etc.) */
70    *(CodeQuickAccess)       /* quick access code section */
71    *(.glue_7)               /* glue arm to thumb code */
72    *(.glue_7t)              /* glue thumb to arm code */
73    *(.eh_frame)
74    KEEP (*(.init))
75    KEEP (*(.fini))
76    . = ALIGN(4);
77  } > m_text
78
79  .ARM.extab :
80  {
81    *(.ARM.extab* .gnu.linkonce.armextab.*)
82  } > m_text
83
84  .ARM :
85  {
86    __exidx_start = .;
87    *(.ARM.exidx*)
88    __exidx_end = .;
89  } > m_text
90
91 .ctors :
92  {
93    __CTOR_LIST__ = .;
94    /* gcc uses crtbegin.o to find the start of
95       the constructors, so we make sure it is
96       first.  Because this is a wildcard, it
97       doesn't matter if the user does not
98       actually link against crtbegin.o; the
99       linker won't look for a file to match a
100       wildcard.  The wildcard also means that it
101       doesn't matter which directory crtbegin.o
102       is in.  */
103    KEEP (*crtbegin.o(.ctors))
104    KEEP (*crtbegin?.o(.ctors))
105    /* We don't want to include the .ctor section from
106       from the crtend.o file until after the sorted ctors.
107       The .ctor section from the crtend file contains the
108       end of ctors marker and it must be last */
109    KEEP (*(EXCLUDE_FILE(*crtend?.o *crtend.o) .ctors))
110    KEEP (*(SORT(.ctors.*)))
111    KEEP (*(.ctors))
112    __CTOR_END__ = .;
113  } > m_text
114
115  .dtors :
116  {
117    __DTOR_LIST__ = .;
118    KEEP (*crtbegin.o(.dtors))
119    KEEP (*crtbegin?.o(.dtors))
120    KEEP (*(EXCLUDE_FILE(*crtend?.o *crtend.o) .dtors))
121    KEEP (*(SORT(.dtors.*)))
122    KEEP (*(.dtors))
123    __DTOR_END__ = .;
124  } > m_text
125
126  .preinit_array :
127  {
128    PROVIDE_HIDDEN (__preinit_array_start = .);
129    KEEP (*(.preinit_array*))
130    PROVIDE_HIDDEN (__preinit_array_end = .);
131  } > m_text
132
133  .init_array :
134  {
135    PROVIDE_HIDDEN (__init_array_start = .);
136    KEEP (*(SORT(.init_array.*)))
137    KEEP (*(.init_array*))
138    PROVIDE_HIDDEN (__init_array_end = .);
139  } > m_text
140
141  .fini_array :
142  {
143    PROVIDE_HIDDEN (__fini_array_start = .);
144    KEEP (*(SORT(.fini_array.*)))
145    KEEP (*(.fini_array*))
146    PROVIDE_HIDDEN (__fini_array_end = .);
147  } > m_text
148
149  __etext = .;    /* define a global symbol at end of code */
150  __DATA_ROM = .; /* Symbol is used by startup for data initialization */
151
152  __VECTOR_RAM = ORIGIN(m_interrupts);
153  __RAM_VECTOR_TABLE_SIZE_BYTES = 0x0;
154
155  .data : AT(__DATA_ROM)
156  {
157    . = ALIGN(4);
158    __DATA_RAM = .;
159    __data_start__ = .;      /* create a global symbol at data start */
160    *(m_usb_dma_init_data)
161    *(.data)                 /* .data sections */
162    *(.data*)                /* .data* sections */
163    KEEP(*(.jcr*))
164    . = ALIGN(4);
165    __data_end__ = .;        /* define a global symbol at data end */
166  } > m_data
167
168  __NDATA_ROM = __DATA_ROM + (__data_end__ - __data_start__);
169  .ncache.init : AT(__NDATA_ROM)
170  {
171    __noncachedata_start__ = .;   /* create a global symbol at ncache data start */
172    *(NonCacheable.init)
173    . = ALIGN(4);
174    __noncachedata_init_end__ = .;   /* create a global symbol at initialized ncache data end */
175  } > m_ncache
176  . = __noncachedata_init_end__;
177  .ncache :
178  {
179    *(NonCacheable)
180    . = ALIGN(4);
181    __noncachedata_end__ = .;     /* define a global symbol at ncache data end */
182  } > m_ncache
183
184  __DATA_END = __NDATA_ROM + (__noncachedata_init_end__ - __noncachedata_start__);
185  text_end = ORIGIN(m_text) + LENGTH(m_text);
186  ASSERT(__DATA_END <= text_end, "region m_text overflowed with text and data")
187
188  .qadata :
189  {
190    . = ALIGN(4);
191    *(DataQuickAccess)       /* quick access data section */
192    . = ALIGN(4);
193  } > m_data2
194
195  /* Uninitialized data section */
196  .bss :
197  {
198    /* This is used by the startup in order to initialize the .bss section */
199    . = ALIGN(4);
200    __START_BSS = .;
201    __bss_start__ = .;
202    *(m_usb_dma_noninit_data)
203    *(.bss)
204    *(.bss*)
205    *(COMMON)
206    . = ALIGN(4);
207    __bss_end__ = .;
208    __END_BSS = .;
209  } > m_data
210
211  .heap :
212  {
213    . = ALIGN(8);
214    __end__ = .;
215    PROVIDE(end = .);
216    __HeapBase = .;
217    . += HEAP_SIZE;
218    __HeapLimit = .;
219    __heap_limit = .; /* Add for _sbrk */
220  } > m_heap
221
222  .stack :
223  {
224    . = ALIGN(8);
225    . += STACK_SIZE;
226  } > m_data
227
228  /* Initializes stack on the end of block */
229  __StackTop   = ORIGIN(m_data) + LENGTH(m_data);
230  __StackLimit = __StackTop - STACK_SIZE;
231  PROVIDE(__stack = __StackTop);
232
233  .ARM.attributes 0 : { *(.ARM.attributes) }
234}
235