1/*
2** ###################################################################
3**     Processors:          MIMX8MN3CVPIZ
4**                          MIMX8MN3CVTIZ
5**                          MIMX8MN3DVPIZ
6**                          MIMX8MN3DVTJZ
7**
8**     Compiler:            GNU C Compiler
9**     Reference manual:    MX8MNRM, Rev.B, 07/2019
10**     Version:             rev. 2.0, 2019-09-23
11**     Build:               b211101
12**
13**     Abstract:
14**         Linker file for the GNU C Compiler
15**
16**     Copyright 2016 Freescale Semiconductor, Inc.
17**     Copyright 2016-2021 NXP
18**     All rights reserved.
19**
20**     SPDX-License-Identifier: BSD-3-Clause
21**
22**     http:                 www.nxp.com
23**     mail:                 support@nxp.com
24**
25** ###################################################################
26*/
27
28/* Entry Point */
29ENTRY(Reset_Handler)
30
31HEAP_SIZE  = DEFINED(__heap_size__)  ? __heap_size__  : 0x0400;
32STACK_SIZE = DEFINED(__stack_size__) ? __stack_size__ : 0x0400;
33
34/* Specify the memory areas */
35MEMORY
36{
37  m_interrupts          (RX)  : ORIGIN = 0x00000000, LENGTH = 0x00000240
38  m_text                (RX)  : ORIGIN = 0x00000240, LENGTH = 0x0001FDC0
39  m_data                (RW)  : ORIGIN = 0x20000000, LENGTH = 0x00020000
40  m_data2               (RW)  : ORIGIN = 0x80000000, LENGTH = 0x01000000
41}
42
43/* Define output sections */
44SECTIONS
45{
46/* The startup code goes first into internal RAM */
47  .interrupts :
48  {
49    __VECTOR_TABLE = .;
50    __Vectors = .;
51    . = ALIGN(4);
52    KEEP(*(.isr_vector))     /* Startup code */
53    . = ALIGN(4);
54  } > m_interrupts
55
56  .resource_table :
57  {
58    . = ALIGN(8);
59    KEEP(*(.resource_table)) /* Resource table */
60    . = ALIGN(8);
61  } > m_text
62
63  /* The program code and other data goes into internal RAM */
64  .text :
65  {
66    . = ALIGN(4);
67    *(.text)                 /* .text sections (code) */
68    *(.text*)                /* .text* sections (code) */
69    *(.rodata)               /* .rodata sections (constants, strings, etc.) */
70    *(.rodata*)              /* .rodata* sections (constants, strings, etc.) */
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  .data : AT(__DATA_ROM)
153  {
154    . = ALIGN(4);
155    __DATA_RAM = .;
156    __data_start__ = .;      /* create a global symbol at data start */
157    *(.data)                 /* .data sections */
158    *(.data*)                /* .data* sections */
159    KEEP(*(.jcr*))
160    . = ALIGN(4);
161    __data_end__ = .;        /* define a global symbol at data end */
162  } > m_data
163
164  __CACHE_REGION_START = ORIGIN(m_interrupts);
165  __CACHE_REGION_SIZE  = 0;
166  __NDATA_ROM = __DATA_ROM + SIZEOF(.data); /* Symbol is used by startup for ncache data initialization */
167
168  .ncache.init : AT(__NDATA_ROM)
169  {
170    __noncachedata_start__ = .;   /* create a global symbol at ncache data start */
171    *(NonCacheable.init)
172    . = ALIGN(4);
173    __noncachedata_init_end__ = .;   /* create a global symbol at initialized ncache data end */
174  } > m_data2
175
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_data2
183
184  __DATA_END = __DATA_ROM + (__data_end__ - __data_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  /* Uninitialized data section */
189  .bss :
190  {
191    /* This is used by the startup in order to initialize the .bss section */
192    . = ALIGN(4);
193    __START_BSS = .;
194    __bss_start__ = .;
195    *(.bss)
196    *(.bss*)
197    *(COMMON)
198    . = ALIGN(4);
199    __bss_end__ = .;
200    __END_BSS = .;
201  } > m_data
202
203  .heap :
204  {
205    . = ALIGN(8);
206    __end__ = .;
207    PROVIDE(end = .);
208    __HeapBase = .;
209    . += HEAP_SIZE;
210    __HeapLimit = .;
211    __heap_limit = .; /* Add for _sbrk */
212  } > m_data
213
214  .stack :
215  {
216    . = ALIGN(8);
217    . += STACK_SIZE;
218  } > m_data
219
220  /* Initializes stack on the end of block */
221  __StackTop   = ORIGIN(m_data) + LENGTH(m_data);
222  __StackLimit = __StackTop - STACK_SIZE;
223  PROVIDE(__stack = __StackTop);
224
225  .ARM.attributes 0 : { *(.ARM.attributes) }
226
227  ASSERT(__StackLimit >= __HeapLimit, "region m_data overflowed with stack and heap")
228}
229
230