1/*
2** ###################################################################
3**     Processors:          MK26FN2M0CAC18
4**                          MK26FN2M0VLQ18
5**                          MK26FN2M0VMD18
6**                          MK26FN2M0VMI18
7**
8**     Compiler:            GNU C Compiler
9**     Reference manual:    MK26P169M180SF5RM, Rev. 1, Mar 2015
10**     Version:             rev. 2.0, 2015-03-25
11**     Build:               b210902
12**
13**     Abstract:
14**         Linker file for the GNU C Compiler
15**
16**     Copyright 2016 Freescale Semiconductor, Inc.
17**     Copyright 2016-2021 NXP
18**     All rights reserved.
19**
20**     SPDX-License-Identifier: BSD-3-Clause
21**
22**     http:                 www.nxp.com
23**     mail:                 support@nxp.com
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 */
35MEMORY
36{
37  m_interrupts          (RX)  : ORIGIN = 0x00000000, LENGTH = 0x00000400
38  m_flash_config        (RX)  : ORIGIN = 0x00000400, LENGTH = 0x00000010
39  m_text                (RX)  : ORIGIN = 0x00000410, LENGTH = 0x001FFBF0
40  m_data                (RW)  : ORIGIN = 0x1FFF0000, LENGTH = 0x00010000
41  m_data_2              (RW)  : ORIGIN = 0x20000000, LENGTH = 0x00030000
42}
43
44/* Define output sections */
45SECTIONS
46{
47  /* The startup code goes first into internal flash */
48  .interrupts :
49  {
50    . = ALIGN(4);
51    KEEP(*(.isr_vector))     /* Startup code */
52    . = ALIGN(4);
53  } > m_interrupts
54
55  .flash_config :
56  {
57    . = ALIGN(4);
58    KEEP(*(.FlashConfig))    /* Flash Configuration Field (FCF) */
59    . = ALIGN(4);
60  } > m_flash_config
61
62  /* The program code and other data goes into internal flash */
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  .data : AT(__DATA_ROM)
152  {
153    . = ALIGN(4);
154    __DATA_RAM = .;
155    __data_start__ = .;      /* create a global symbol at data start */
156    *(.data)                 /* .data sections */
157    *(.data*)                /* .data* sections */
158    *(NonCacheable.init)     /* NonCacheable init section */
159    *(NonCacheable)          /* NonCacheable section */
160    *(CodeQuickAccess)       /* quick access code section */
161    *(DataQuickAccess)       /* quick access data section */
162    KEEP(*(.jcr*))
163    . = ALIGN(4);
164    __data_end__ = .;        /* define a global symbol at data end */
165  } > m_data
166
167  __NDATA_ROM = __DATA_ROM + (__data_end__ - __data_start__);
168  .ncache.init : AT(__NDATA_ROM)
169  {
170    __noncachedata_start__ = .;   /* create a global symbol at ncache data start */
171    *(NonCacheable.init)
172    . = ALIGN(4);
173    __noncachedata_init_end__ = .;   /* create a global symbol at initialized ncache data end */
174  } > m_data
175
176  . = __noncachedata_init_end__;
177  .ncache :
178  {
179    *(NonCacheable)
180    . = ALIGN(4);
181    __noncachedata_end__ = .;     /* define a global symbol at ncache data end */
182  } > m_data
183
184  __DATA_END = __NDATA_ROM + (__noncachedata_init_end__ - __noncachedata_start__);
185  text_end = ORIGIN(m_text) + LENGTH(m_text);
186  ASSERT(__DATA_END <= text_end, "region m_text overflowed with text and data")
187
188  /* Uninitialized data section */
189  .bss :
190  {
191    /* This is used by the startup in order to initialize the .bss section */
192    . = ALIGN(4);
193    __START_BSS = .;
194    __bss_start__ = .;
195    *(.bss)
196    *(.bss*)
197    *(COMMON)
198    . = ALIGN(4);
199    __bss_end__ = .;
200    __END_BSS = .;
201  } > m_data
202
203  .heap :
204  {
205    . = ALIGN(8);
206    __end__ = .;
207    PROVIDE(end = .);
208    __HeapBase = .;
209    . += HEAP_SIZE;
210    __HeapLimit = .;
211    __heap_limit = .; /* Add for _sbrk */
212  } > m_data_2
213
214  .stack :
215  {
216    . = ALIGN(8);
217    . += STACK_SIZE;
218  } > m_data_2
219
220  /* Initializes stack on the end of block */
221  __StackTop   = ORIGIN(m_data_2) + LENGTH(m_data_2);
222  __StackLimit = __StackTop - STACK_SIZE;
223  PROVIDE(__stack = __StackTop);
224
225  .ARM.attributes 0 : { *(.ARM.attributes) }
226
227  ASSERT(__StackLimit >= __HeapLimit, "region m_data_2 overflowed with stack and heap")
228}
229
230