1/*
2** ###################################################################
3**     Processors:          MIMXRT595SFAWC_cm33
4**                          MIMXRT595SFFOC_cm33
5**
6**     Compiler:            GNU C Compiler
7**     Reference manual:    iMXRT500RM Rev.0, 01/2021
8**     Version:             rev. 5.0, 2021-07-28
9**     Build:               b210730
10**
11**     Abstract:
12**         Linker file for the GNU C Compiler
13**
14**     Copyright 2016 Freescale Semiconductor, Inc.
15**     Copyright 2016-2021 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
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 */
35/* The SRAM region [0x10000-0x1BFFF] is reserved for ROM code. */
36/* The SRAM region [0x0-0xFFFF], [0x1C000-0x1FFFF] are reserved for app-specific use cases. */
37/* The SRAM region [0x20000-0x7FFFF] is reserved for Non-cached shared memory between M33 and DSP. */
38/* The SRAM region [0x80000-0x27FFFF] is reserved for DSP code and data. */
39MEMORY
40{
41  m_flash               (RX)  : ORIGIN = 0x08041000, LENGTH = 0x00080000
42  m_interrupts          (RX)  : ORIGIN = 0x002C0000, LENGTH = 0x00000180
43  m_text                (RX)  : ORIGIN = 0x002C0180, LENGTH = 0x0007FE80
44  m_data                (RW)  : ORIGIN = 0x20380000, LENGTH = 0x00080000
45  m_usb_sram            (RW)  : ORIGIN = 0x40140000, LENGTH = 0x00004000
46}
47
48/* Define output sections */
49SECTIONS
50{
51  /* The startup code goes first into internal ram */
52  .interrupts :
53  {
54    . = ALIGN(4);
55    __VECTOR_TABLE = .;
56    __Vectors = .;
57    KEEP(*(.isr_vector))     /* Startup code */
58    FILL(0x00)
59    . = 0x180;
60  } > m_interrupts AT > m_flash
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 AT> m_flash
77
78  .ARM.extab :
79  {
80    *(.ARM.extab* .gnu.linkonce.armextab.*)
81  } > m_text AT> m_flash
82
83  .ARM :
84  {
85    __exidx_start = .;
86    *(.ARM.exidx*)
87    __exidx_end = .;
88  } > m_text AT> m_flash
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 AT> m_flash
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 AT> m_flash
124
125  .preinit_array :
126  {
127    PROVIDE_HIDDEN (__preinit_array_start = .);
128    KEEP (*(.preinit_array*))
129    PROVIDE_HIDDEN (__preinit_array_end = .);
130  } > m_text AT> m_flash
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 AT> m_flash
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 AT> m_flash
147
148  __etext = .;    /* define a global symbol at end of code */
149  __DATA_ROM = ORIGIN(m_flash) + __etext - __VECTOR_TABLE;
150
151  __VECTOR_RAM = ORIGIN(m_interrupts);
152  __RAM_VECTOR_TABLE_SIZE_BYTES = 0x0;
153
154  .data : AT(__DATA_ROM)
155  {
156    . = ALIGN(4);
157    __DATA_RAM = .;
158    __data_start__ = .;      /* create a global symbol at data start */
159    *(CodeQuickAccess)       /* CodeQuickAccess sections */
160    *(DataQuickAccess)       /* DataQuickAccess sections */
161    *(.data)                 /* .data sections */
162    *(.data*)                /* .data* sections */
163    KEEP(*(.jcr*))
164    . = ALIGN(4);
165    __data_end__ = .;        /* define a global symbol at data end */
166  } > m_data
167
168  __DATA_END = __etext + (__data_end__ - __data_start__);
169  _image_size = __DATA_END - __VECTOR_TABLE;
170  ASSERT(_image_size <= LENGTH(m_flash), "region m_flash overflowed with text and data")
171
172  /* Uninitialized data section */
173  .bss :
174  {
175    /* This is used by the startup in order to initialize the .bss section */
176    . = ALIGN(4);
177    __START_BSS = .;
178    __bss_start__ = .;
179    *(.bss)
180    *(.bss*)
181    *(COMMON)
182    . = ALIGN(4);
183    __bss_end__ = .;
184    __END_BSS = .;
185  } > m_data
186
187  .heap :
188  {
189    . = ALIGN(8);
190    __end__ = .;
191    PROVIDE(end = .);
192    __HeapBase = .;
193    . += HEAP_SIZE;
194    __HeapLimit = .;
195    __heap_limit = .; /* Add for _sbrk */
196  } > m_data
197
198  .stack :
199  {
200    . = ALIGN(8);
201    . += STACK_SIZE;
202  } > m_data
203
204  m_usb_bdt (NOLOAD) :
205  {
206    . = ALIGN(512);
207    *(m_usb_bdt)
208  } > m_usb_sram
209
210  m_usb_global (NOLOAD) :
211  {
212    *(m_usb_global)
213  } > m_usb_sram
214
215  /* Initializes stack on the end of block */
216  __StackTop   = ORIGIN(m_data) + LENGTH(m_data);
217  __StackLimit = __StackTop - STACK_SIZE;
218  PROVIDE(__stack = __StackTop);
219
220  .ARM.attributes 0 : { *(.ARM.attributes) }
221
222  ASSERT(__StackLimit >= __HeapLimit, "region m_data overflowed with stack and heap")
223}
224
225