1/*
2** ###################################################################
3**     Processors:          MK22FN1M0VLH12
4**                          MK22FN1M0VLK12
5**                          MK22FN1M0VLL12
6**                          MK22FN1M0VLQ12
7**                          MK22FN1M0VMC12
8**                          MK22FN1M0VMD12
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 = 0x1FFF0000, LENGTH = 0x00000400
40  m_text                (RX)  : ORIGIN = 0x1FFF0400, LENGTH = 0x0000FC00
41  m_data                (RW)  : ORIGIN = 0x20000000, LENGTH = 0x00010000
42}
43
44/* Define output sections */
45SECTIONS
46{
47  /* The startup code goes first into internal RAM */
48  .interrupts :
49  {
50    . = ALIGN(4);
51    KEEP(*(.isr_vector))     /* Startup code */
52    . = ALIGN(4);
53  } > m_interrupts
54
55  /* The program code and other data goes into internal RAM */
56  .text :
57  {
58    . = ALIGN(4);
59    *(.text)                 /* .text sections (code) */
60    *(.text*)                /* .text* sections (code) */
61    *(.rodata)               /* .rodata sections (constants, strings, etc.) */
62    *(.rodata*)              /* .rodata* sections (constants, strings, etc.) */
63    *(.glue_7)               /* glue arm to thumb code */
64    *(.glue_7t)              /* glue thumb to arm code */
65    *(.eh_frame)
66    KEEP (*(.init))
67    KEEP (*(.fini))
68    . = ALIGN(4);
69  } > m_text
70
71  .ARM.extab :
72  {
73    *(.ARM.extab* .gnu.linkonce.armextab.*)
74  } > m_text
75
76  .ARM :
77  {
78    __exidx_start = .;
79    *(.ARM.exidx*)
80    __exidx_end = .;
81  } > m_text
82
83 .ctors :
84  {
85    __CTOR_LIST__ = .;
86    /* gcc uses crtbegin.o to find the start of
87       the constructors, so we make sure it is
88       first.  Because this is a wildcard, it
89       doesn't matter if the user does not
90       actually link against crtbegin.o; the
91       linker won't look for a file to match a
92       wildcard.  The wildcard also means that it
93       doesn't matter which directory crtbegin.o
94       is in.  */
95    KEEP (*crtbegin.o(.ctors))
96    KEEP (*crtbegin?.o(.ctors))
97    /* We don't want to include the .ctor section from
98       from the crtend.o file until after the sorted ctors.
99       The .ctor section from the crtend file contains the
100       end of ctors marker and it must be last */
101    KEEP (*(EXCLUDE_FILE(*crtend?.o *crtend.o) .ctors))
102    KEEP (*(SORT(.ctors.*)))
103    KEEP (*(.ctors))
104    __CTOR_END__ = .;
105  } > m_text
106
107  .dtors :
108  {
109    __DTOR_LIST__ = .;
110    KEEP (*crtbegin.o(.dtors))
111    KEEP (*crtbegin?.o(.dtors))
112    KEEP (*(EXCLUDE_FILE(*crtend?.o *crtend.o) .dtors))
113    KEEP (*(SORT(.dtors.*)))
114    KEEP (*(.dtors))
115    __DTOR_END__ = .;
116  } > m_text
117
118  .preinit_array :
119  {
120    PROVIDE_HIDDEN (__preinit_array_start = .);
121    KEEP (*(.preinit_array*))
122    PROVIDE_HIDDEN (__preinit_array_end = .);
123  } > m_text
124
125  .init_array :
126  {
127    PROVIDE_HIDDEN (__init_array_start = .);
128    KEEP (*(SORT(.init_array.*)))
129    KEEP (*(.init_array*))
130    PROVIDE_HIDDEN (__init_array_end = .);
131  } > m_text
132
133  .fini_array :
134  {
135    PROVIDE_HIDDEN (__fini_array_start = .);
136    KEEP (*(SORT(.fini_array.*)))
137    KEEP (*(.fini_array*))
138    PROVIDE_HIDDEN (__fini_array_end = .);
139  } > m_text
140
141  __etext = .;    /* define a global symbol at end of code */
142  __DATA_ROM = .; /* Symbol is used by startup for data initialization */
143
144  .data : AT(__DATA_ROM)
145  {
146    . = ALIGN(4);
147    __DATA_RAM = .;
148    __data_start__ = .;      /* create a global symbol at data start */
149    *(.data)                 /* .data sections */
150    *(.data*)                /* .data* sections */
151    *(NonCacheable.init)     /* NonCacheable init section */
152    *(NonCacheable)          /* NonCacheable section */
153    *(CodeQuickAccess)       /* quick access code section */
154    *(DataQuickAccess)       /* quick access data section */
155    KEEP(*(.jcr*))
156    . = ALIGN(4);
157    __data_end__ = .;        /* define a global symbol at data end */
158  } > m_data
159
160  __DATA_END = __DATA_ROM + (__data_end__ - __data_start__);
161  text_end = ORIGIN(m_text) + LENGTH(m_text);
162  ASSERT(__DATA_END <= text_end, "region m_text overflowed with text and data")
163
164  /* Uninitialized data section */
165  .bss :
166  {
167    /* This is used by the startup in order to initialize the .bss section */
168    . = ALIGN(4);
169    __START_BSS = .;
170    __bss_start__ = .;
171    *(.bss)
172    *(.bss*)
173    *(COMMON)
174    . = ALIGN(4);
175    __bss_end__ = .;
176    __END_BSS = .;
177  } > m_data
178
179  .heap :
180  {
181    . = ALIGN(8);
182    __end__ = .;
183    PROVIDE(end = .);
184    __HeapBase = .;
185    . += HEAP_SIZE;
186    __HeapLimit = .;
187    __heap_limit = .; /* Add for _sbrk */
188  } > m_data
189
190  .stack :
191  {
192    . = ALIGN(8);
193    . += STACK_SIZE;
194  } > m_data
195
196  /* Initializes stack on the end of block */
197  __StackTop   = ORIGIN(m_data) + LENGTH(m_data);
198  __StackLimit = __StackTop - STACK_SIZE;
199  PROVIDE(__stack = __StackTop);
200
201  .ARM.attributes 0 : { *(.ARM.attributes) }
202
203  ASSERT(__StackLimit >= __HeapLimit, "region m_data overflowed with stack and heap")
204}
205
206