1/*
2** ###################################################################
3**     Processors:          MIMX8MM5CVTKZ
4**                          MIMX8MM5DVTLZ
5**
6**     Compiler:            GNU C Compiler
7**     Reference manual:    MX8MMRM, Rev. 0, 02/2019
8**     Version:             rev. 4.0, 2019-02-18
9**     Build:               b200330
10**
11**     Abstract:
12**         Linker file for the GNU C Compiler
13**
14**     Copyright 2016 Freescale Semiconductor, Inc.
15**     Copyright 2016-2020 NXP
16**     All rights reserved.
17**
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;
31
32/* Specify the memory areas */
33MEMORY
34{
35  m_interrupts          (RX)  : ORIGIN = 0x08000000, LENGTH = 0x00000A00
36  m_text                (RX)  : ORIGIN = 0x08000A00, LENGTH = 0x000FF600
37  m_data                (RW)  : ORIGIN = 0x20000000, LENGTH = 0x00020000
38  m_data2               (RW)  : ORIGIN = 0x80000000, LENGTH = 0x01000000
39  m_tcml                (RW)  : ORIGIN = 0x1FFE0020, LENGTH = 0x0001FFE0
40}
41
42/* Define output sections */
43SECTIONS
44{
45/* The startup code goes first into internal RAM */
46  .interrupts :
47  {
48    __VECTOR_TABLE = .;
49    __Vectors = .;
50    . = ALIGN(4);
51    KEEP(*(.isr_vector))     /* Startup code */
52    . = ALIGN(4);
53  } > m_interrupts
54
55  .resource_table :
56  {
57    . = ALIGN(8);
58    KEEP(*(.resource_table)) /* Resource table */
59    . = ALIGN(8);
60  } > m_text
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    *(.glue_7)               /* glue arm to thumb code */
71    *(.glue_7t)              /* glue thumb to arm code */
72    *(.eh_frame)
73    KEEP (*(.init))
74    KEEP (*(.fini))
75    . = ALIGN(4);
76  } > m_text
77
78  .ARM.extab :
79  {
80    *(.ARM.extab* .gnu.linkonce.armextab.*)
81  } > m_text
82
83  .ARM :
84  {
85    __exidx_start = .;
86    *(.ARM.exidx*)
87    __exidx_end = .;
88  } > m_text
89
90 .ctors :
91  {
92    __CTOR_LIST__ = .;
93    /* gcc uses crtbegin.o to find the start of
94       the constructors, so we make sure it is
95       first.  Because this is a wildcard, it
96       doesn't matter if the user does not
97       actually link against crtbegin.o; the
98       linker won't look for a file to match a
99       wildcard.  The wildcard also means that it
100       doesn't matter which directory crtbegin.o
101       is in.  */
102    KEEP (*crtbegin.o(.ctors))
103    KEEP (*crtbegin?.o(.ctors))
104    /* We don't want to include the .ctor section from
105       from the crtend.o file until after the sorted ctors.
106       The .ctor section from the crtend file contains the
107       end of ctors marker and it must be last */
108    KEEP (*(EXCLUDE_FILE(*crtend?.o *crtend.o) .ctors))
109    KEEP (*(SORT(.ctors.*)))
110    KEEP (*(.ctors))
111    __CTOR_END__ = .;
112  } > m_text
113
114  .dtors :
115  {
116    __DTOR_LIST__ = .;
117    KEEP (*crtbegin.o(.dtors))
118    KEEP (*crtbegin?.o(.dtors))
119    KEEP (*(EXCLUDE_FILE(*crtend?.o *crtend.o) .dtors))
120    KEEP (*(SORT(.dtors.*)))
121    KEEP (*(.dtors))
122    __DTOR_END__ = .;
123  } > m_text
124
125  .preinit_array :
126  {
127    PROVIDE_HIDDEN (__preinit_array_start = .);
128    KEEP (*(.preinit_array*))
129    PROVIDE_HIDDEN (__preinit_array_end = .);
130  } > m_text
131
132  .init_array :
133  {
134    PROVIDE_HIDDEN (__init_array_start = .);
135    KEEP (*(SORT(.init_array.*)))
136    KEEP (*(.init_array*))
137    PROVIDE_HIDDEN (__init_array_end = .);
138  } > m_text
139
140  .fini_array :
141  {
142    PROVIDE_HIDDEN (__fini_array_start = .);
143    KEEP (*(SORT(.fini_array.*)))
144    KEEP (*(.fini_array*))
145    PROVIDE_HIDDEN (__fini_array_end = .);
146  } > m_text
147
148  __etext = .;    /* define a global symbol at end of code */
149  __DATA_ROM = .; /* Symbol is used by startup for data initialization */
150
151  .data : AT(__DATA_ROM)
152  {
153    . = ALIGN(4);
154    __DATA_RAM = .;
155    __data_start__ = .;      /* create a global symbol at data start */
156    *(.data)                 /* .data sections */
157    *(.data*)                /* .data* sections */
158    KEEP(*(.jcr*))
159    . = ALIGN(4);
160    __data_end__ = .;        /* define a global symbol at data end */
161  } > m_data
162
163  __CACHE_REGION_START = ORIGIN(m_interrupts);
164  __CACHE_REGION_SIZE  = 0;
165  __NDATA_ROM = __DATA_ROM + SIZEOF(.data); /* Symbol is used by startup for ncache data initialization */
166
167  .ncache.init : AT(__NDATA_ROM)
168  {
169    __noncachedata_start__ = .;   /* create a global symbol at ncache data start */
170    *(NonCacheable.init)
171    . = ALIGN(4);
172    __noncachedata_init_end__ = .;   /* create a global symbol at initialized ncache data end */
173  } > m_data2
174
175  . = __noncachedata_init_end__;
176  .ncache :
177  {
178    *(NonCacheable)
179    . = ALIGN(4);
180    __noncachedata_end__ = .;     /* define a global symbol at ncache data end */
181  } > m_data2
182
183  __DATA_END = __DATA_ROM + (__data_end__ - __data_start__);
184  text_end = ORIGIN(m_text) + LENGTH(m_text);
185  ASSERT(__DATA_END <= text_end, "region m_text overflowed with text and data")
186
187  /* Uninitialized data section */
188  .bss :
189  {
190    /* This is used by the startup in order to initialize the .bss section */
191    . = ALIGN(4);
192    __START_BSS = .;
193    __bss_start__ = .;
194    *(.bss)
195    *(.bss*)
196    *(COMMON)
197    . = ALIGN(4);
198    __bss_end__ = .;
199    __END_BSS = .;
200  } > m_data
201
202  .heap :
203  {
204    . = ALIGN(8);
205    __end__ = .;
206    PROVIDE(end = .);
207    __HeapBase = .;
208    . += HEAP_SIZE;
209    __HeapLimit = .;
210    __heap_limit = .; /* Add for _sbrk */
211  } > m_data
212
213  .stack :
214  {
215    . = ALIGN(8);
216    . += STACK_SIZE;
217  } > m_data
218
219  /* Initializes stack on the end of block */
220  __StackTop   = ORIGIN(m_data) + LENGTH(m_data);
221  __StackLimit = __StackTop - STACK_SIZE;
222  PROVIDE(__stack = __StackTop);
223
224  .ARM.attributes 0 : { *(.ARM.attributes) }
225
226  ASSERT(__StackLimit >= __HeapLimit, "region m_data overflowed with stack and heap")
227}
228
229