1/*
2** ###################################################################
3**     Processor:           MIMXRT1173CVM8A_cm4
4**     Compiler:            GNU C Compiler
5**     Reference manual:    IMXRT1170RM, Rev 1, 02/2021
6**     Version:             rev. 1.1, 2022-04-02
7**     Build:               b220402
8**
9**     Abstract:
10**         Linker file for the GNU C Compiler
11**
12**     Copyright 2016 Freescale Semiconductor, Inc.
13**     Copyright 2016-2022 NXP
14**     All rights reserved.
15**
16**     SPDX-License-Identifier: BSD-3-Clause
17**
18**     http:                 www.nxp.com
19**     mail:                 support@nxp.com
20**
21** ###################################################################
22*/
23
24/* Entry Point */
25ENTRY(Reset_Handler)
26
27HEAP_SIZE  = DEFINED(__heap_size__)  ? __heap_size__  : 0x0400;
28STACK_SIZE = DEFINED(__stack_size__) ? __stack_size__ : 0x0400;
29NCACHE_HEAP_START = DEFINED(__heap_noncacheable__) ? 0x202C0000 - HEAP_SIZE : 0x20020000 - HEAP_SIZE;
30NCACHE_HEAP_SIZE  = DEFINED(__heap_noncacheable__) ? HEAP_SIZE : 0x0000;
31
32/* Specify the memory areas */
33MEMORY
34{
35  m_interrupts          (RX)  : ORIGIN = 0x20200000, LENGTH = 0x00000400
36  m_text                (RX)  : ORIGIN = 0x20200400, LENGTH = 0x0001FC00
37  m_qacode              (RX)  : ORIGIN = 0x1FFE0000, LENGTH = 0x00020000
38  m_data                (RW)  : ORIGIN = 0x20000000, LENGTH = DEFINED(__heap_noncacheable__) ? 0x00020000 : 0x00020000 - HEAP_SIZE
39  m_ncache              (RW)  : ORIGIN = 0x20280000, LENGTH = DEFINED(__heap_noncacheable__) ? 0x00040000 - HEAP_SIZE : 0x00040000
40  m_data2               (RW)  : ORIGIN = 0x20240000, LENGTH = 0x00040000
41  m_heap                (RW)  : ORIGIN = NCACHE_HEAP_START, LENGTH = HEAP_SIZE
42}
43
44/* Define output sections */
45SECTIONS
46{
47  __NCACHE_REGION_START = ORIGIN(m_ncache);
48  __NCACHE_REGION_SIZE  = LENGTH(m_ncache) + NCACHE_HEAP_SIZE;
49
50  /* The startup code goes first into internal RAM */
51  .interrupts :
52  {
53    __VECTOR_TABLE = .;
54    __Vectors = .;
55    . = ALIGN(4);
56    KEEP(*(.isr_vector))     /* Startup code */
57    . = ALIGN(4);
58  } > m_interrupts
59
60  /* The program code and other data goes into internal RAM */
61  .text :
62  {
63    . = ALIGN(4);
64    *(.text)                 /* .text sections (code) */
65    *(.text*)                /* .text* sections (code) */
66    *(.rodata)               /* .rodata sections (constants, strings, etc.) */
67    *(.rodata*)              /* .rodata* sections (constants, strings, etc.) */
68    *(.glue_7)               /* glue arm to thumb code */
69    *(.glue_7t)              /* glue thumb to arm code */
70    *(.eh_frame)
71    KEEP (*(.init))
72    KEEP (*(.fini))
73    . = ALIGN(4);
74  } > m_text
75
76  .ARM.extab :
77  {
78    *(.ARM.extab* .gnu.linkonce.armextab.*)
79  } > m_text
80
81  .ARM :
82  {
83    __exidx_start = .;
84    *(.ARM.exidx*)
85    __exidx_end = .;
86  } > m_text
87
88 .ctors :
89  {
90    __CTOR_LIST__ = .;
91    /* gcc uses crtbegin.o to find the start of
92       the constructors, so we make sure it is
93       first.  Because this is a wildcard, it
94       doesn't matter if the user does not
95       actually link against crtbegin.o; the
96       linker won't look for a file to match a
97       wildcard.  The wildcard also means that it
98       doesn't matter which directory crtbegin.o
99       is in.  */
100    KEEP (*crtbegin.o(.ctors))
101    KEEP (*crtbegin?.o(.ctors))
102    /* We don't want to include the .ctor section from
103       from the crtend.o file until after the sorted ctors.
104       The .ctor section from the crtend file contains the
105       end of ctors marker and it must be last */
106    KEEP (*(EXCLUDE_FILE(*crtend?.o *crtend.o) .ctors))
107    KEEP (*(SORT(.ctors.*)))
108    KEEP (*(.ctors))
109    __CTOR_END__ = .;
110  } > m_text
111
112  .dtors :
113  {
114    __DTOR_LIST__ = .;
115    KEEP (*crtbegin.o(.dtors))
116    KEEP (*crtbegin?.o(.dtors))
117    KEEP (*(EXCLUDE_FILE(*crtend?.o *crtend.o) .dtors))
118    KEEP (*(SORT(.dtors.*)))
119    KEEP (*(.dtors))
120    __DTOR_END__ = .;
121  } > m_text
122
123  .preinit_array :
124  {
125    PROVIDE_HIDDEN (__preinit_array_start = .);
126    KEEP (*(.preinit_array*))
127    PROVIDE_HIDDEN (__preinit_array_end = .);
128  } > m_text
129
130  .init_array :
131  {
132    PROVIDE_HIDDEN (__init_array_start = .);
133    KEEP (*(SORT(.init_array.*)))
134    KEEP (*(.init_array*))
135    PROVIDE_HIDDEN (__init_array_end = .);
136  } > m_text
137
138  .fini_array :
139  {
140    PROVIDE_HIDDEN (__fini_array_start = .);
141    KEEP (*(SORT(.fini_array.*)))
142    KEEP (*(.fini_array*))
143    PROVIDE_HIDDEN (__fini_array_end = .);
144  } > m_text
145
146  __etext = .;    /* define a global symbol at end of code */
147  __DATA_ROM = .; /* Symbol is used by startup for data initialization */
148
149  __VECTOR_RAM = ORIGIN(m_interrupts);
150  __RAM_VECTOR_TABLE_SIZE_BYTES = 0x0;
151
152  .data : AT(__DATA_ROM)
153  {
154    . = ALIGN(4);
155    __DATA_RAM = .;
156    __data_start__ = .;      /* create a global symbol at data start */
157    *(m_usb_dma_init_data)
158    *(.data)                 /* .data sections */
159    *(.data*)                /* .data* sections */
160    *(DataQuickAccess)       /* quick access data section */
161    KEEP(*(.jcr*))
162    . = ALIGN(4);
163    __data_end__ = .;        /* define a global symbol at data end */
164  } > m_data
165
166  __ram_function_flash_start = __DATA_ROM + (__data_end__ - __data_start__); /* Symbol is used by startup for TCM data initialization */
167
168  .ram_function : AT(__ram_function_flash_start)
169  {
170    . = ALIGN(32);
171    __ram_function_start__ = .;
172    *(CodeQuickAccess)
173    . = ALIGN(128);
174    __ram_function_end__ = .;
175  } > m_qacode
176
177  __NDATA_ROM = __ram_function_flash_start + (__ram_function_end__ - __ram_function_start__);
178  .ncache.init : AT(__NDATA_ROM)
179  {
180    __noncachedata_start__ = .;   /* create a global symbol at ncache data start */
181    *(NonCacheable.init)
182    . = ALIGN(4);
183    __noncachedata_init_end__ = .;   /* create a global symbol at initialized ncache data end */
184  } > m_ncache
185  . = __noncachedata_init_end__;
186  .ncache :
187  {
188    *(NonCacheable)
189    . = ALIGN(4);
190    __noncachedata_end__ = .;     /* define a global symbol at ncache data end */
191  } > m_ncache
192
193  __DATA_END = __NDATA_ROM + (__noncachedata_init_end__ - __noncachedata_start__);
194  text_end = ORIGIN(m_text) + LENGTH(m_text);
195  ASSERT(__DATA_END <= text_end, "region m_text overflowed with text and data")
196
197  /* Uninitialized data section */
198  .bss :
199  {
200    /* This is used by the startup in order to initialize the .bss section */
201    . = ALIGN(4);
202    __START_BSS = .;
203    __bss_start__ = .;
204    *(m_usb_dma_noninit_data)
205    *(.bss)
206    *(.bss*)
207    *(COMMON)
208    . = ALIGN(4);
209    __bss_end__ = .;
210    __END_BSS = .;
211  } > m_data
212
213  .heap :
214  {
215    . = ALIGN(8);
216    __end__ = .;
217    PROVIDE(end = .);
218    __HeapBase = .;
219    . += HEAP_SIZE;
220    __HeapLimit = .;
221    __heap_limit = .; /* Add for _sbrk */
222  } > m_heap
223
224  .stack :
225  {
226    . = ALIGN(8);
227    . += STACK_SIZE;
228    __StackEnd = .;
229  } > m_data
230
231  /* Initializes stack on the end of block */
232  __StackTop   = ORIGIN(m_data) + LENGTH(m_data);
233  __StackLimit = __StackTop - STACK_SIZE;
234  PROVIDE(__stack = __StackTop);
235
236  .ARM.attributes 0 : { *(.ARM.attributes) }
237
238  ASSERT(__StackLimit >= __StackEnd, "region m_data overflowed with stack and heap")
239}
240