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 = 0x1FFF0000, LENGTH = 0x00000400
38  m_text                (RX)  : ORIGIN = 0x1FFF0400, LENGTH = 0x0000FC00
39  m_data                (RW)  : ORIGIN = 0x20000000, LENGTH = 0x00030000
40}
41
42/* Define output sections */
43SECTIONS
44{
45  /* The startup code goes first into internal RAM */
46  .interrupts :
47  {
48    . = ALIGN(4);
49    KEEP(*(.isr_vector))     /* Startup code */
50    . = ALIGN(4);
51  } > m_interrupts
52
53  /* The program code and other data goes into internal RAM */
54  .text :
55  {
56    . = ALIGN(4);
57    *(.text)                 /* .text sections (code) */
58    *(.text*)                /* .text* sections (code) */
59    *(.rodata)               /* .rodata sections (constants, strings, etc.) */
60    *(.rodata*)              /* .rodata* sections (constants, strings, etc.) */
61    *(.glue_7)               /* glue arm to thumb code */
62    *(.glue_7t)              /* glue thumb to arm code */
63    *(.eh_frame)
64    KEEP (*(.init))
65    KEEP (*(.fini))
66    . = ALIGN(4);
67  } > m_text
68
69  .ARM.extab :
70  {
71    *(.ARM.extab* .gnu.linkonce.armextab.*)
72  } > m_text
73
74  .ARM :
75  {
76    __exidx_start = .;
77    *(.ARM.exidx*)
78    __exidx_end = .;
79  } > m_text
80
81 .ctors :
82  {
83    __CTOR_LIST__ = .;
84    /* gcc uses crtbegin.o to find the start of
85       the constructors, so we make sure it is
86       first.  Because this is a wildcard, it
87       doesn't matter if the user does not
88       actually link against crtbegin.o; the
89       linker won't look for a file to match a
90       wildcard.  The wildcard also means that it
91       doesn't matter which directory crtbegin.o
92       is in.  */
93    KEEP (*crtbegin.o(.ctors))
94    KEEP (*crtbegin?.o(.ctors))
95    /* We don't want to include the .ctor section from
96       from the crtend.o file until after the sorted ctors.
97       The .ctor section from the crtend file contains the
98       end of ctors marker and it must be last */
99    KEEP (*(EXCLUDE_FILE(*crtend?.o *crtend.o) .ctors))
100    KEEP (*(SORT(.ctors.*)))
101    KEEP (*(.ctors))
102    __CTOR_END__ = .;
103  } > m_text
104
105  .dtors :
106  {
107    __DTOR_LIST__ = .;
108    KEEP (*crtbegin.o(.dtors))
109    KEEP (*crtbegin?.o(.dtors))
110    KEEP (*(EXCLUDE_FILE(*crtend?.o *crtend.o) .dtors))
111    KEEP (*(SORT(.dtors.*)))
112    KEEP (*(.dtors))
113    __DTOR_END__ = .;
114  } > m_text
115
116  .preinit_array :
117  {
118    PROVIDE_HIDDEN (__preinit_array_start = .);
119    KEEP (*(.preinit_array*))
120    PROVIDE_HIDDEN (__preinit_array_end = .);
121  } > m_text
122
123  .init_array :
124  {
125    PROVIDE_HIDDEN (__init_array_start = .);
126    KEEP (*(SORT(.init_array.*)))
127    KEEP (*(.init_array*))
128    PROVIDE_HIDDEN (__init_array_end = .);
129  } > m_text
130
131  .fini_array :
132  {
133    PROVIDE_HIDDEN (__fini_array_start = .);
134    KEEP (*(SORT(.fini_array.*)))
135    KEEP (*(.fini_array*))
136    PROVIDE_HIDDEN (__fini_array_end = .);
137  } > m_text
138
139  __etext = .;    /* define a global symbol at end of code */
140  __DATA_ROM = .; /* Symbol is used by startup for data initialization */
141
142  .data : AT(__DATA_ROM)
143  {
144    . = ALIGN(4);
145    __DATA_RAM = .;
146    __data_start__ = .;      /* create a global symbol at data start */
147    *(.data)                 /* .data sections */
148    *(.data*)                /* .data* sections */
149    *(NonCacheable.init)     /* NonCacheable init section */
150    *(NonCacheable)          /* NonCacheable section */
151    *(CodeQuickAccess)       /* quick access code section */
152    *(DataQuickAccess)       /* quick access data section */
153    KEEP(*(.jcr*))
154    . = ALIGN(4);
155    __data_end__ = .;        /* define a global symbol at data end */
156  } > m_data
157
158  __NDATA_ROM = __DATA_ROM + (__data_end__ - __data_start__);
159  .ncache.init : AT(__NDATA_ROM)
160  {
161    __noncachedata_start__ = .;   /* create a global symbol at ncache data start */
162    *(NonCacheable.init)
163    . = ALIGN(4);
164    __noncachedata_init_end__ = .;   /* create a global symbol at initialized ncache data end */
165  } > m_data
166
167  . = __noncachedata_init_end__;
168  .ncache :
169  {
170    *(NonCacheable)
171    . = ALIGN(4);
172    __noncachedata_end__ = .;     /* define a global symbol at ncache data end */
173  } > m_data
174
175  __DATA_END = __NDATA_ROM + (__noncachedata_init_end__ - __noncachedata_start__);
176  text_end = ORIGIN(m_text) + LENGTH(m_text);
177  ASSERT(__DATA_END <= text_end, "region m_text overflowed with text and data")
178
179  /* Uninitialized data section */
180  .bss :
181  {
182    /* This is used by the startup in order to initialize the .bss section */
183    . = ALIGN(4);
184    __START_BSS = .;
185    __bss_start__ = .;
186    *(.bss)
187    *(.bss*)
188    *(COMMON)
189    . = ALIGN(4);
190    __bss_end__ = .;
191    __END_BSS = .;
192  } > m_data
193
194  .heap :
195  {
196    . = ALIGN(8);
197    __end__ = .;
198    PROVIDE(end = .);
199    __HeapBase = .;
200    . += HEAP_SIZE;
201    __HeapLimit = .;
202    __heap_limit = .; /* Add for _sbrk */
203  } > m_data
204
205  .stack :
206  {
207    . = ALIGN(8);
208    . += STACK_SIZE;
209  } > m_data
210
211  /* Initializes stack on the end of block */
212  __StackTop   = ORIGIN(m_data) + LENGTH(m_data);
213  __StackLimit = __StackTop - STACK_SIZE;
214  PROVIDE(__stack = __StackTop);
215
216  .ARM.attributes 0 : { *(.ARM.attributes) }
217
218  ASSERT(__StackLimit >= __HeapLimit, "region m_data overflowed with stack and heap")
219}
220
221