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1/*
2** ###################################################################
3** Processors: MIMX8QX2AVLFZ
4** MIMX8QX2AVOFZ
5**
6** Compiler: GNU C Compiler
7** Reference manual: IMX8DQXPRM, Rev. E, 6/2019
8** Version: rev. 4.0, 2020-06-19
9** Build: b201113
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: [email protected]
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 = 0x1FFE0000, LENGTH = 0x00000A00
36 m_text (RX) : ORIGIN = 0x1FFE0A00, LENGTH = 0x0001F600
37 m_data (RW) : ORIGIN = 0x20000000, LENGTH = 0x00020000
38 m_data2 (RW) : ORIGIN = 0x88000000, LENGTH = 0x08000000
39}
40
41/* Define output sections */
42SECTIONS
43{
44 /* The startup code goes first into internal RAM */
45 .interrupts :
46 {
47 . = ALIGN(8);
48 KEEP(*(.isr_vector)) /* Startup code */
49 . = ALIGN(8);
50 } > m_interrupts
51
52 .resource_table :
53 {
54 . = ALIGN(8);
55 KEEP(*(.resource_table)) /* Resource table */
56 . = ALIGN(8);
57 } > m_text
58
59 /* The program code and other data goes into internal RAM */
60 .text :
61 {
62 . = ALIGN(8);
63 *(.text) /* .text sections (code) */
64 *(.text*) /* .text* sections (code) */
65 *(.rodata) /* .rodata sections (constants, strings, etc.) */
66 *(.rodata*) /* .rodata* sections (constants, strings, etc.) */
67 *(.glue_7) /* glue arm to thumb code */
68 *(.glue_7t) /* glue thumb to arm code */
69 *(.eh_frame)
70 KEEP (*(.init))
71 KEEP (*(.fini))
72 . = ALIGN(8);
73 } > m_text
74
75 .ARM.extab :
76 {
77 *(.ARM.extab* .gnu.linkonce.armextab.*)
78 } > m_text
79
80 .ARM :
81 {
82 __exidx_start = .;
83 *(.ARM.exidx*)
84 __exidx_end = .;
85 } > m_text
86
87 .ctors :
88 {
89 __CTOR_LIST__ = .;
90 /* gcc uses crtbegin.o to find the start of
91 the constructors, so we make sure it is
92 first. Because this is a wildcard, it
93 doesn't matter if the user does not
94 actually link against crtbegin.o; the
95 linker won't look for a file to match a
96 wildcard. The wildcard also means that it
97 doesn't matter which directory crtbegin.o
98 is in. */
99 KEEP (*crtbegin.o(.ctors))
100 KEEP (*crtbegin?.o(.ctors))
101 /* We don't want to include the .ctor section from
102 from the crtend.o file until after the sorted ctors.
103 The .ctor section from the crtend file contains the
104 end of ctors marker and it must be last */
105 KEEP (*(EXCLUDE_FILE(*crtend?.o *crtend.o) .ctors))
106 KEEP (*(SORT(.ctors.*)))
107 KEEP (*(.ctors))
108 __CTOR_END__ = .;
109 } > m_text
110
111 .dtors :
112 {
113 __DTOR_LIST__ = .;
114 KEEP (*crtbegin.o(.dtors))
115 KEEP (*crtbegin?.o(.dtors))
116 KEEP (*(EXCLUDE_FILE(*crtend?.o *crtend.o) .dtors))
117 KEEP (*(SORT(.dtors.*)))
118 KEEP (*(.dtors))
119 __DTOR_END__ = .;
120 } > m_text
121
122 .preinit_array :
123 {
124 PROVIDE_HIDDEN (__preinit_array_start = .);
125 KEEP (*(.preinit_array*))
126 PROVIDE_HIDDEN (__preinit_array_end = .);
127 } > m_text
128
129 .init_array :
130 {
131 PROVIDE_HIDDEN (__init_array_start = .);
132 KEEP (*(SORT(.init_array.*)))
133 KEEP (*(.init_array*))
134 PROVIDE_HIDDEN (__init_array_end = .);
135 } > m_text
136
137 .fini_array :
138 {
139 PROVIDE_HIDDEN (__fini_array_start = .);
140 KEEP (*(SORT(.fini_array.*)))
141 KEEP (*(.fini_array*))
142 PROVIDE_HIDDEN (__fini_array_end = .);
143 } > m_text
144
145 __etext = .; /* define a global symbol at end of code */
146 __DATA_ROM = .; /* Symbol is used by startup for data initialization */
147
148 .data : AT(__DATA_ROM)
149 {
150 . = ALIGN(8);
151 __DATA_RAM = .;
152 __data_start__ = .; /* create a global symbol at data start */
153 *(.data) /* .data sections */
154 *(.data*) /* .data* sections */
155 KEEP(*(.jcr*))
156 . = ALIGN(8);
157 __data_end__ = .; /* define a global symbol at data end */
158 } > m_data
159
160 __CACHE_REGION_START = ORIGIN(m_interrupts);
161 __CACHE_REGION_SIZE = 0;
162 __NDATA_ROM = __DATA_ROM + SIZEOF(.data); /* Symbol is used by startup for ncache data initialization */
163
164 .ncache.init : AT(__NDATA_ROM)
165 {
166 __noncachedata_start__ = .; /* create a global symbol at ncache data start */
167 *(NonCacheable.init)
168 . = ALIGN(4);
169 __noncachedata_init_end__ = .; /* create a global symbol at initialized ncache data end */
170 } > m_data2
171
172 . = __noncachedata_init_end__;
173 .ncache :
174 {
175 *(NonCacheable)
176 . = ALIGN(4);
177 __noncachedata_end__ = .; /* define a global symbol at ncache data end */
178 } > m_data2
179
180 __DATA_END = __NDATA_ROM + SIZEOF(.ncache.init);
181 text_end = ORIGIN(m_text) + LENGTH(m_text);
182 ASSERT(__DATA_END <= text_end, "region m_text overflowed with text and data")
183
184 /* Uninitialized data section */
185 .bss :
186 {
187 /* This is used by the startup in order to initialize the .bss section */
188 . = ALIGN(8);
189 __START_BSS = .;
190 __bss_start__ = .;
191 *(.bss)
192 *(.bss*)
193 *(COMMON)
194 . = ALIGN(8);
195 __bss_end__ = .;
196 __END_BSS = .;
197 } > m_data
198
199 .heap :
200 {
201 . = ALIGN(8);
202 __end__ = .;
203 PROVIDE(end = .);
204 __HeapBase = .;
205 . += HEAP_SIZE;
206 __HeapLimit = .;
207 __heap_limit = .; /* Add for _sbrk */
208 } > m_data
209
210 .stack :
211 {
212 . = ALIGN(8);
213 . += STACK_SIZE;
214 } > m_data
215
216 /* Initializes stack on the end of block */
217 __StackTop = ORIGIN(m_data) + LENGTH(m_data);
218 __StackLimit = __StackTop - STACK_SIZE;
219 PROVIDE(__stack = __StackTop);
220
221 .ARM.attributes 0 : { *(.ARM.attributes) }
222
223 ASSERT(__StackLimit >= __HeapLimit, "region m_data overflowed with stack and heap")
224}
225