1/*
2** ###################################################################
3**     Processors:          MK22FN256CAH12
4**                          MK22FN256VDC12
5**                          MK22FN256VLH12
6**                          MK22FN256VLL12
7**                          MK22FN256VMP12
8**
9**     Compiler:            GNU C Compiler
10**     Reference manual:    K22P121M120SF8RM, Rev. 1, March 24, 2014
11**     Version:             rev. 1.8, 2015-02-19
12**     Build:               b210812
13**
14**     Abstract:
15**         Linker file for the GNU C Compiler
16**
17**     Copyright 2016 Freescale Semiconductor, Inc.
18**     Copyright 2016-2021 NXP
19**     All rights reserved.
20**
21**     SPDX-License-Identifier: BSD-3-Clause
22**
23**     http:                 www.nxp.com
24**     mail:                 support@nxp.com
25**
26** ###################################################################
27*/
28
29/* Entry Point */
30ENTRY(Reset_Handler)
31
32HEAP_SIZE  = DEFINED(__heap_size__)  ? __heap_size__  : 0x0400;
33STACK_SIZE = DEFINED(__stack_size__) ? __stack_size__ : 0x0400;
34
35/* Specify the memory areas */
36MEMORY
37{
38  m_interrupts          (RX)  : ORIGIN = 0x00000000, LENGTH = 0x00000400
39  m_flash_config        (RX)  : ORIGIN = 0x00000400, LENGTH = 0x00000010
40  m_text                (RX)  : ORIGIN = 0x00000410, LENGTH = 0x0003FBF0
41  m_data                (RW)  : ORIGIN = 0x1FFFC000, LENGTH = 0x00004000
42  m_data_2              (RW)  : ORIGIN = 0x20000000, LENGTH = 0x00008000
43}
44
45/* Define output sections */
46SECTIONS
47{
48  /* The startup code goes first into internal flash */
49  .interrupts :
50  {
51    . = ALIGN(4);
52    KEEP(*(.isr_vector))     /* Startup code */
53    . = ALIGN(4);
54  } > m_interrupts
55
56  .flash_config :
57  {
58    . = ALIGN(4);
59    KEEP(*(.FlashConfig))    /* Flash Configuration Field (FCF) */
60    . = ALIGN(4);
61  } > m_flash_config
62
63  /* The program code and other data goes into internal flash */
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  .data : AT(__DATA_ROM)
153  {
154    . = ALIGN(4);
155    __DATA_RAM = .;
156    __data_start__ = .;      /* create a global symbol at data start */
157    *(.data)                 /* .data sections */
158    *(.data*)                /* .data* sections */
159    *(NonCacheable.init)     /* NonCacheable init section */
160    *(NonCacheable)          /* NonCacheable section */
161    *(CodeQuickAccess)       /* quick access code section */
162    *(DataQuickAccess)       /* quick access data section */
163    KEEP(*(.jcr*))
164    . = ALIGN(4);
165    __data_end__ = .;        /* define a global symbol at data end */
166  } > m_data
167
168  __DATA_END = __DATA_ROM + (__data_end__ - __data_start__);
169  text_end = ORIGIN(m_text) + LENGTH(m_text);
170  ASSERT(__DATA_END <= text_end, "region m_text 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_2
197
198  .stack :
199  {
200    . = ALIGN(8);
201    . += STACK_SIZE;
202  } > m_data_2
203
204  /* Initializes stack on the end of block */
205  __StackTop   = ORIGIN(m_data_2) + LENGTH(m_data_2);
206  __StackLimit = __StackTop - STACK_SIZE;
207  PROVIDE(__stack = __StackTop);
208
209  .ARM.attributes 0 : { *(.ARM.attributes) }
210
211  ASSERT(__StackLimit >= __HeapLimit, "region m_data_2 overflowed with stack and heap")
212}
213
214