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:               b210810
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;
33M_VECTOR_RAM_SIZE = DEFINED(__ram_vector_table__) ? 0x00000180 : 0;
34
35/* Specify the memory areas */
36/* The SRAM region [0x10000-0x1BFFF] is reserved for ROM code. */
37/* The SRAM region [0x0-0xFFFF], [0x1C000-0x1FFFF] are reserved for app-specific use cases. */
38/* The SRAM region [0x20000-0x7FFFF] is reserved for Non-cached shared memory between M33 and DSP. */
39/* The SRAM region [0x80000-0x27FFFF] is reserved for DSP code and data. */
40MEMORY
41{
42  m_interrupts          (RX)  : ORIGIN = 0x08100000, LENGTH = 0x00000180
43  m_text                (RX)  : ORIGIN = 0x08100180, LENGTH = 0x000FFE80
44  /* Use the same SRAM partition with ram_ns linker to share the same SAU configuration. */
45  m_data                (RW)  : ORIGIN = 0x20380000, LENGTH = 0x00080000
46  m_usb_sram            (RW)  : ORIGIN = 0x40140000, LENGTH = 0x00004000
47}
48
49/* Define output sections */
50SECTIONS
51{
52  /* The startup code goes first into internal ram */
53  .interrupts :
54  {
55    . = ALIGN(4);
56    __VECTOR_TABLE = .;
57    __Vectors = .;
58    KEEP(*(.isr_vector))     /* Startup code */
59    . = ALIGN(4);
60  } > m_interrupts
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  .interrupts_ram :
152  {
153    . = ALIGN(4);
154    __VECTOR_RAM__ = .;
155    __interrupts_ram_start__ = .; /* Create a global symbol at data start */
156    *(.m_interrupts_ram)     /* This is a user defined section */
157    . += M_VECTOR_RAM_SIZE;
158    . = ALIGN(4);
159    __interrupts_ram_end__ = .; /* Define a global symbol at data end */
160  } > m_data
161
162  __VECTOR_RAM = DEFINED(__ram_vector_table__) ? __VECTOR_RAM__ : ORIGIN(m_interrupts);
163  __RAM_VECTOR_TABLE_SIZE_BYTES = DEFINED(__ram_vector_table__) ? (__interrupts_ram_end__ - __interrupts_ram_start__) : 0x0;
164
165  .data : AT(__DATA_ROM)
166  {
167    . = ALIGN(4);
168    __DATA_RAM = .;
169    __data_start__ = .;      /* create a global symbol at data start */
170    *(CodeQuickAccess)       /* CodeQuickAccess sections */
171    *(DataQuickAccess)       /* DataQuickAccess sections */
172    *(.data)                 /* .data sections */
173    *(.data*)                /* .data* sections */
174    KEEP(*(.jcr*))
175    . = ALIGN(4);
176    __data_end__ = .;        /* define a global symbol at data end */
177  } > m_data
178
179  __DATA_END = __DATA_ROM + (__data_end__ - __data_start__);
180  text_end = ORIGIN(m_text) + LENGTH(m_text);
181  ASSERT(__DATA_END <= text_end, "region m_text overflowed with text and data")
182  _image_size = __DATA_END - __VECTOR_TABLE;
183
184  /* Uninitialized data section */
185  .bss :
186  {
187    /* This is used by the startup in order to initialize the .bss section */
188    . = ALIGN(4);
189    __START_BSS = .;
190    __bss_start__ = .;
191    *(.bss)
192    *(.bss*)
193    *(COMMON)
194    . = ALIGN(4);
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  m_usb_bdt (NOLOAD) :
217  {
218    . = ALIGN(512);
219    *(m_usb_bdt)
220  } > m_usb_sram
221
222  m_usb_global (NOLOAD) :
223  {
224    *(m_usb_global)
225  } > m_usb_sram
226
227  /* Initializes stack on the end of block */
228  __StackTop   = ORIGIN(m_data) + LENGTH(m_data);
229  __StackLimit = __StackTop - STACK_SIZE;
230  PROVIDE(__stack = __StackTop);
231
232  .ARM.attributes 0 : { *(.ARM.attributes) }
233
234  ASSERT(__StackLimit >= __HeapLimit, "region m_data overflowed with stack and heap")
235}
236
237