1/*
2** ###################################################################
3**     Processors:          MIMXRT1175AVM8A_cm4
4**                          MIMXRT1175CVM8A_cm4
5**                          MIMXRT1175DVMAA_cm4
6**
7**     Compiler:            GNU C Compiler
8**     Reference manual:    IMXRT1170RM, Rev 1, 02/2021
9**     Version:             rev. 1.1, 2022-04-02
10**     Build:               b220402
11**
12**     Abstract:
13**         Linker file for the GNU C Compiler
14**
15**     Copyright 2016 Freescale Semiconductor, Inc.
16**     Copyright 2016-2022 NXP
17**     All rights reserved.
18**
19**     SPDX-License-Identifier: BSD-3-Clause
20**
21**     http:                 www.nxp.com
22**     mail:                 support@nxp.com
23**
24** ###################################################################
25*/
26
27/* Entry Point */
28ENTRY(Reset_Handler)
29
30HEAP_SIZE  = DEFINED(__heap_size__)  ? __heap_size__  : 0x0400;
31STACK_SIZE = DEFINED(__stack_size__) ? __stack_size__ : 0x0400;
32NCACHE_HEAP_START = DEFINED(__heap_noncacheable__) ? 0x202C0000 - HEAP_SIZE : 0x20020000 - HEAP_SIZE;
33NCACHE_HEAP_SIZE  = DEFINED(__heap_noncacheable__) ? HEAP_SIZE : 0x0000;
34
35/* Specify the memory areas */
36MEMORY
37{
38  m_interrupts          (RX)  : ORIGIN = 0x20200000, LENGTH = 0x00000400
39  m_text                (RX)  : ORIGIN = 0x20200400, LENGTH = 0x0001FC00
40  m_qacode              (RX)  : ORIGIN = 0x1FFE0000, LENGTH = 0x00020000
41  m_data                (RW)  : ORIGIN = 0x20000000, LENGTH = DEFINED(__heap_noncacheable__) ? 0x00020000 : 0x00020000 - HEAP_SIZE
42  m_ncache              (RW)  : ORIGIN = 0x20280000, LENGTH = DEFINED(__heap_noncacheable__) ? 0x00040000 - HEAP_SIZE : 0x00040000
43  m_data2               (RW)  : ORIGIN = 0x20240000, LENGTH = 0x00040000
44  m_heap                (RW)  : ORIGIN = NCACHE_HEAP_START, LENGTH = HEAP_SIZE
45}
46
47/* Define output sections */
48SECTIONS
49{
50  __NCACHE_REGION_START = ORIGIN(m_ncache);
51  __NCACHE_REGION_SIZE  = LENGTH(m_ncache) + NCACHE_HEAP_SIZE;
52
53  /* The startup code goes first into internal RAM */
54  .interrupts :
55  {
56    __VECTOR_TABLE = .;
57    __Vectors = .;
58    . = ALIGN(4);
59    KEEP(*(.isr_vector))     /* Startup code */
60    . = ALIGN(4);
61  } > m_interrupts
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  __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    *(DataQuickAccess)       /* quick access data section */
164    KEEP(*(.jcr*))
165    . = ALIGN(4);
166    __data_end__ = .;        /* define a global symbol at data end */
167  } > m_data
168
169  __ram_function_flash_start = __DATA_ROM + (__data_end__ - __data_start__); /* Symbol is used by startup for TCM data initialization */
170
171  .ram_function : AT(__ram_function_flash_start)
172  {
173    . = ALIGN(32);
174    __ram_function_start__ = .;
175    *(CodeQuickAccess)
176    . = ALIGN(128);
177    __ram_function_end__ = .;
178  } > m_qacode
179
180  __NDATA_ROM = __ram_function_flash_start + (__ram_function_end__ - __ram_function_start__);
181  .ncache.init : AT(__NDATA_ROM)
182  {
183    __noncachedata_start__ = .;   /* create a global symbol at ncache data start */
184    *(NonCacheable.init)
185    . = ALIGN(4);
186    __noncachedata_init_end__ = .;   /* create a global symbol at initialized ncache data end */
187  } > m_ncache
188  . = __noncachedata_init_end__;
189  .ncache :
190  {
191    *(NonCacheable)
192    . = ALIGN(4);
193    __noncachedata_end__ = .;     /* define a global symbol at ncache data end */
194  } > m_ncache
195
196  __DATA_END = __NDATA_ROM + (__noncachedata_init_end__ - __noncachedata_start__);
197  text_end = ORIGIN(m_text) + LENGTH(m_text);
198  ASSERT(__DATA_END <= text_end, "region m_text overflowed with text and data")
199
200  /* Uninitialized data section */
201  .bss :
202  {
203    /* This is used by the startup in order to initialize the .bss section */
204    . = ALIGN(4);
205    __START_BSS = .;
206    __bss_start__ = .;
207    *(m_usb_dma_noninit_data)
208    *(.bss)
209    *(.bss*)
210    *(COMMON)
211    . = ALIGN(4);
212    __bss_end__ = .;
213    __END_BSS = .;
214  } > m_data
215
216  .heap :
217  {
218    . = ALIGN(8);
219    __end__ = .;
220    PROVIDE(end = .);
221    __HeapBase = .;
222    . += HEAP_SIZE;
223    __HeapLimit = .;
224    __heap_limit = .; /* Add for _sbrk */
225  } > m_heap
226
227  .stack :
228  {
229    . = ALIGN(8);
230    . += STACK_SIZE;
231    __StackEnd = .;
232  } > m_data
233
234  /* Initializes stack on the end of block */
235  __StackTop   = ORIGIN(m_data) + LENGTH(m_data);
236  __StackLimit = __StackTop - STACK_SIZE;
237  PROVIDE(__stack = __StackTop);
238
239  .ARM.attributes 0 : { *(.ARM.attributes) }
240
241  ASSERT(__StackLimit >= __StackEnd, "region m_data overflowed with stack and heap")
242}
243