1/*
2** ###################################################################
3**     Processors:          MK22FX512VLH12
4**                          MK22FX512VLK12
5**                          MK22FX512VLL12
6**                          MK22FX512VLQ12
7**                          MK22FX512VMC12
8**                          MK22FX512VMD12
9**
10**     Compiler:            GNU C Compiler
11**     Reference manual:    K22P144M120SF5V2RM, Rev.5, March 2015
12**     Version:             rev. 1.7, 2015-02-19
13**     Build:               b210812
14**
15**     Abstract:
16**         Linker file for the GNU C Compiler
17**
18**     Copyright 2016 Freescale Semiconductor, Inc.
19**     Copyright 2016-2021 NXP
20**     All rights reserved.
21**
22**     SPDX-License-Identifier: BSD-3-Clause
23**
24**     http:                 www.nxp.com
25**     mail:                 support@nxp.com
26**
27** ###################################################################
28*/
29
30/* Entry Point */
31ENTRY(Reset_Handler)
32
33HEAP_SIZE  = DEFINED(__heap_size__)  ? __heap_size__  : 0x0400;
34STACK_SIZE = DEFINED(__stack_size__) ? __stack_size__ : 0x0400;
35
36/* Specify the memory areas */
37MEMORY
38{
39  m_interrupts          (RX)  : ORIGIN = 0x00000000, LENGTH = 0x00000400
40  m_flash_config        (RX)  : ORIGIN = 0x00000400, LENGTH = 0x00000010
41  m_text                (RX)  : ORIGIN = 0x00000410, LENGTH = 0x0007FBF0
42  m_data                (RW)  : ORIGIN = 0x1FFF0000, LENGTH = 0x00010000
43  m_data_2              (RW)  : ORIGIN = 0x20000000, LENGTH = 0x00010000
44}
45
46/* Define output sections */
47SECTIONS
48{
49  /* The startup code goes first into internal flash */
50  .interrupts :
51  {
52    . = ALIGN(4);
53    KEEP(*(.isr_vector))     /* Startup code */
54    . = ALIGN(4);
55  } > m_interrupts
56
57  .flash_config :
58  {
59    . = ALIGN(4);
60    KEEP(*(.FlashConfig))    /* Flash Configuration Field (FCF) */
61    . = ALIGN(4);
62  } > m_flash_config
63
64  /* The program code and other data goes into internal flash */
65  .text :
66  {
67    . = ALIGN(4);
68    *(.text)                 /* .text sections (code) */
69    *(.text*)                /* .text* sections (code) */
70    *(.rodata)               /* .rodata sections (constants, strings, etc.) */
71    *(.rodata*)              /* .rodata* sections (constants, strings, etc.) */
72    *(.glue_7)               /* glue arm to thumb code */
73    *(.glue_7t)              /* glue thumb to arm code */
74    *(.eh_frame)
75    KEEP (*(.init))
76    KEEP (*(.fini))
77    . = ALIGN(4);
78  } > m_text
79
80  .ARM.extab :
81  {
82    *(.ARM.extab* .gnu.linkonce.armextab.*)
83  } > m_text
84
85  .ARM :
86  {
87    __exidx_start = .;
88    *(.ARM.exidx*)
89    __exidx_end = .;
90  } > m_text
91
92 .ctors :
93  {
94    __CTOR_LIST__ = .;
95    /* gcc uses crtbegin.o to find the start of
96       the constructors, so we make sure it is
97       first.  Because this is a wildcard, it
98       doesn't matter if the user does not
99       actually link against crtbegin.o; the
100       linker won't look for a file to match a
101       wildcard.  The wildcard also means that it
102       doesn't matter which directory crtbegin.o
103       is in.  */
104    KEEP (*crtbegin.o(.ctors))
105    KEEP (*crtbegin?.o(.ctors))
106    /* We don't want to include the .ctor section from
107       from the crtend.o file until after the sorted ctors.
108       The .ctor section from the crtend file contains the
109       end of ctors marker and it must be last */
110    KEEP (*(EXCLUDE_FILE(*crtend?.o *crtend.o) .ctors))
111    KEEP (*(SORT(.ctors.*)))
112    KEEP (*(.ctors))
113    __CTOR_END__ = .;
114  } > m_text
115
116  .dtors :
117  {
118    __DTOR_LIST__ = .;
119    KEEP (*crtbegin.o(.dtors))
120    KEEP (*crtbegin?.o(.dtors))
121    KEEP (*(EXCLUDE_FILE(*crtend?.o *crtend.o) .dtors))
122    KEEP (*(SORT(.dtors.*)))
123    KEEP (*(.dtors))
124    __DTOR_END__ = .;
125  } > m_text
126
127  .preinit_array :
128  {
129    PROVIDE_HIDDEN (__preinit_array_start = .);
130    KEEP (*(.preinit_array*))
131    PROVIDE_HIDDEN (__preinit_array_end = .);
132  } > m_text
133
134  .init_array :
135  {
136    PROVIDE_HIDDEN (__init_array_start = .);
137    KEEP (*(SORT(.init_array.*)))
138    KEEP (*(.init_array*))
139    PROVIDE_HIDDEN (__init_array_end = .);
140  } > m_text
141
142  .fini_array :
143  {
144    PROVIDE_HIDDEN (__fini_array_start = .);
145    KEEP (*(SORT(.fini_array.*)))
146    KEEP (*(.fini_array*))
147    PROVIDE_HIDDEN (__fini_array_end = .);
148  } > m_text
149
150  __etext = .;    /* define a global symbol at end of code */
151  __DATA_ROM = .; /* Symbol is used by startup for data initialization */
152
153  .data : AT(__DATA_ROM)
154  {
155    . = ALIGN(4);
156    __DATA_RAM = .;
157    __data_start__ = .;      /* create a global symbol at data start */
158    *(.data)                 /* .data sections */
159    *(.data*)                /* .data* sections */
160    *(NonCacheable.init)     /* NonCacheable init section */
161    *(NonCacheable)          /* NonCacheable section */
162    *(CodeQuickAccess)       /* quick access code section */
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  __DATA_END = __DATA_ROM + (__data_end__ - __data_start__);
170  text_end = ORIGIN(m_text) + LENGTH(m_text);
171  ASSERT(__DATA_END <= text_end, "region m_text overflowed with text and data")
172
173  /* Uninitialized data section */
174  .bss :
175  {
176    /* This is used by the startup in order to initialize the .bss section */
177    . = ALIGN(4);
178    __START_BSS = .;
179    __bss_start__ = .;
180    *(.bss)
181    *(.bss*)
182    *(COMMON)
183    . = ALIGN(4);
184    __bss_end__ = .;
185    __END_BSS = .;
186  } > m_data
187
188  .heap :
189  {
190    . = ALIGN(8);
191    __end__ = .;
192    PROVIDE(end = .);
193    __HeapBase = .;
194    . += HEAP_SIZE;
195    __HeapLimit = .;
196    __heap_limit = .; /* Add for _sbrk */
197  } > m_data_2
198
199  .stack :
200  {
201    . = ALIGN(8);
202    . += STACK_SIZE;
203  } > m_data_2
204
205  /* Initializes stack on the end of block */
206  __StackTop   = ORIGIN(m_data_2) + LENGTH(m_data_2);
207  __StackLimit = __StackTop - STACK_SIZE;
208  PROVIDE(__stack = __StackTop);
209
210  .ARM.attributes 0 : { *(.ARM.attributes) }
211
212  ASSERT(__StackLimit >= __HeapLimit, "region m_data_2 overflowed with stack and heap")
213}
214
215