1/*
2** ###################################################################
3**     Processors:          MK28FN2M0ACAU15R
4**                          MK28FN2M0AVMI15
5**
6**     Compiler:            GNU C Compiler
7**     Reference manual:    K28P210M150SF5RM, Rev. 4, Aug 2017
8**     Version:             rev. 1.3, 2018-01-09
9**     Build:               b190916
10**
11**     Abstract:
12**         Linker file for the GNU C Compiler
13**
14**     Copyright 2016 Freescale Semiconductor, Inc.
15**     Copyright 2016-2019 NXP
16**     All rights reserved.
17**
18**     SPDX-License-Identifier: BSD-3-Clause
19**
20**     http:                 www.nxp.com
21**     mail:                 support@nxp.com
22**
23** ###################################################################
24*/
25
26/* Entry Point */
27ENTRY(Reset_Handler)
28
29HEAP_SIZE  = DEFINED(__heap_size__)  ? __heap_size__  : 0x0400;
30STACK_SIZE = DEFINED(__stack_size__) ? __stack_size__ : 0x0400;
31
32/* Specify the memory areas */
33MEMORY
34{
35  m_interrupts          (RX)  : ORIGIN = 0x1FFC0000, LENGTH = 0x00000400
36  m_text                (RX)  : ORIGIN = 0x1FFC0400, LENGTH = 0x0003FC00
37  m_data                (RW)  : ORIGIN = 0x20000000, LENGTH = 0x00040000
38  m_data_2              (RW)  : ORIGIN = 0x34000000, LENGTH = 0x00080000
39}
40
41/* Define output sections */
42SECTIONS
43{
44  /* The startup code goes first into internal RAM */
45  .interrupts :
46  {
47    . = ALIGN(4);
48    KEEP(*(.isr_vector))     /* Startup code */
49    . = ALIGN(4);
50  } > m_interrupts
51
52  /* The program code and other data goes into internal RAM */
53  .text :
54  {
55    . = ALIGN(4);
56    *(.text)                 /* .text sections (code) */
57    *(.text*)                /* .text* sections (code) */
58    *(.rodata)               /* .rodata sections (constants, strings, etc.) */
59    *(.rodata*)              /* .rodata* sections (constants, strings, etc.) */
60    *(.glue_7)               /* glue arm to thumb code */
61    *(.glue_7t)              /* glue thumb to arm code */
62    *(.eh_frame)
63    KEEP (*(.init))
64    KEEP (*(.fini))
65    . = ALIGN(4);
66  } > m_text
67
68  .ARM.extab :
69  {
70    *(.ARM.extab* .gnu.linkonce.armextab.*)
71  } > m_text
72
73  .ARM :
74  {
75    __exidx_start = .;
76    *(.ARM.exidx*)
77    __exidx_end = .;
78  } > m_text
79
80 .ctors :
81  {
82    __CTOR_LIST__ = .;
83    /* gcc uses crtbegin.o to find the start of
84       the constructors, so we make sure it is
85       first.  Because this is a wildcard, it
86       doesn't matter if the user does not
87       actually link against crtbegin.o; the
88       linker won't look for a file to match a
89       wildcard.  The wildcard also means that it
90       doesn't matter which directory crtbegin.o
91       is in.  */
92    KEEP (*crtbegin.o(.ctors))
93    KEEP (*crtbegin?.o(.ctors))
94    /* We don't want to include the .ctor section from
95       from the crtend.o file until after the sorted ctors.
96       The .ctor section from the crtend file contains the
97       end of ctors marker and it must be last */
98    KEEP (*(EXCLUDE_FILE(*crtend?.o *crtend.o) .ctors))
99    KEEP (*(SORT(.ctors.*)))
100    KEEP (*(.ctors))
101    __CTOR_END__ = .;
102  } > m_text
103
104  .dtors :
105  {
106    __DTOR_LIST__ = .;
107    KEEP (*crtbegin.o(.dtors))
108    KEEP (*crtbegin?.o(.dtors))
109    KEEP (*(EXCLUDE_FILE(*crtend?.o *crtend.o) .dtors))
110    KEEP (*(SORT(.dtors.*)))
111    KEEP (*(.dtors))
112    __DTOR_END__ = .;
113  } > m_text
114
115  .preinit_array :
116  {
117    PROVIDE_HIDDEN (__preinit_array_start = .);
118    KEEP (*(.preinit_array*))
119    PROVIDE_HIDDEN (__preinit_array_end = .);
120  } > m_text
121
122  .init_array :
123  {
124    PROVIDE_HIDDEN (__init_array_start = .);
125    KEEP (*(SORT(.init_array.*)))
126    KEEP (*(.init_array*))
127    PROVIDE_HIDDEN (__init_array_end = .);
128  } > m_text
129
130  .fini_array :
131  {
132    PROVIDE_HIDDEN (__fini_array_start = .);
133    KEEP (*(SORT(.fini_array.*)))
134    KEEP (*(.fini_array*))
135    PROVIDE_HIDDEN (__fini_array_end = .);
136  } > m_text
137
138  __etext = .;    /* define a global symbol at end of code */
139  __DATA_ROM = .; /* Symbol is used by startup for data initialization */
140
141  .data : AT(__DATA_ROM)
142  {
143    . = ALIGN(4);
144    __DATA_RAM = .;
145    __data_start__ = .;      /* create a global symbol at data start */
146    *(.data)                 /* .data sections */
147    *(.data*)                /* .data* sections */
148    KEEP(*(.jcr*))
149    . = ALIGN(4);
150    __data_end__ = .;        /* define a global symbol at data end */
151  } > m_data
152
153  __NDATA_ROM = __DATA_ROM + (__data_end__ - __data_start__);
154  .ncache.init : AT(__NDATA_ROM)
155  {
156    __noncachedata_start__ = .;   /* create a global symbol at ncache data start */
157    *(NonCacheable.init)
158    . = ALIGN(4);
159    __noncachedata_init_end__ = .;   /* create a global symbol at initialized ncache data end */
160  } > m_data
161
162  . = __noncachedata_init_end__;
163  .ncache :
164  {
165    *(NonCacheable)
166    . = ALIGN(4);
167    __noncachedata_end__ = .;     /* define a global symbol at ncache data end */
168  } > m_data
169
170  __DATA_END = __NDATA_ROM + (__noncachedata_init_end__ - __noncachedata_start__);
171  text_end = ORIGIN(m_text) + LENGTH(m_text);
172  ASSERT(__DATA_END <= text_end, "region m_text overflowed with text and data")
173
174  /* Uninitialized data section */
175  .bss :
176  {
177    /* This is used by the startup in order to initialize the .bss section */
178    . = ALIGN(4);
179    __START_BSS = .;
180    __bss_start__ = .;
181    *(.bss)
182    *(.bss*)
183    *(COMMON)
184    . = ALIGN(4);
185    __bss_end__ = .;
186    __END_BSS = .;
187  } > m_data
188
189  .heap :
190  {
191    . = ALIGN(8);
192    __end__ = .;
193    PROVIDE(end = .);
194    __HeapBase = .;
195    . += HEAP_SIZE;
196    __HeapLimit = .;
197    __heap_limit = .; /* Add for _sbrk */
198  } > m_data
199
200  .stack :
201  {
202    . = ALIGN(8);
203    . += STACK_SIZE;
204  } > m_data
205
206  /* Initializes stack on the end of block */
207  __StackTop   = ORIGIN(m_data) + LENGTH(m_data);
208  __StackLimit = __StackTop - STACK_SIZE;
209  PROVIDE(__stack = __StackTop);
210
211  .ARM.attributes 0 : { *(.ARM.attributes) }
212
213  ASSERT(__StackLimit >= __HeapLimit, "region m_data overflowed with stack and heap")
214}
215
216