1/*
2** ###################################################################
3**     Processors:          MKV31F256VLH12
4**                          MKV31F256VLL12
5**
6**     Compiler:            GNU C Compiler
7**     Reference manual:    KV31P100M120SF8RM, Rev. 1, March 24, 2014
8**     Version:             rev. 1.7, 2015-02-19
9**     Build:               b210812
10**
11**     Abstract:
12**         Linker file for the GNU C Compiler
13**
14**     Copyright 2016 Freescale Semiconductor, Inc.
15**     Copyright 2016-2021 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 = 0x00000000, LENGTH = 0x00000400
36  m_flash_config        (RX)  : ORIGIN = 0x00000400, LENGTH = 0x00000010
37  m_text                (RX)  : ORIGIN = 0x00000410, LENGTH = 0x0003FBF0
38  m_data                (RW)  : ORIGIN = 0x1FFFC000, LENGTH = 0x00004000
39  m_data_2              (RW)  : ORIGIN = 0x20000000, LENGTH = 0x00008000
40}
41
42/* Define output sections */
43SECTIONS
44{
45  /* The startup code goes first into internal flash */
46  .interrupts :
47  {
48    . = ALIGN(4);
49    KEEP(*(.isr_vector))     /* Startup code */
50    . = ALIGN(4);
51  } > m_interrupts
52
53  .flash_config :
54  {
55    . = ALIGN(4);
56    KEEP(*(.FlashConfig))    /* Flash Configuration Field (FCF) */
57    . = ALIGN(4);
58  } > m_flash_config
59
60  /* The program code and other data goes into internal flash */
61  .text :
62  {
63    . = ALIGN(4);
64    *(.text)                 /* .text sections (code) */
65    *(.text*)                /* .text* sections (code) */
66    *(.rodata)               /* .rodata sections (constants, strings, etc.) */
67    *(.rodata*)              /* .rodata* sections (constants, strings, etc.) */
68    *(.glue_7)               /* glue arm to thumb code */
69    *(.glue_7t)              /* glue thumb to arm code */
70    *(.eh_frame)
71    KEEP (*(.init))
72    KEEP (*(.fini))
73    . = ALIGN(4);
74  } > m_text
75
76  .ARM.extab :
77  {
78    *(.ARM.extab* .gnu.linkonce.armextab.*)
79  } > m_text
80
81  .ARM :
82  {
83    __exidx_start = .;
84    *(.ARM.exidx*)
85    __exidx_end = .;
86  } > m_text
87
88 .ctors :
89  {
90    __CTOR_LIST__ = .;
91    /* gcc uses crtbegin.o to find the start of
92       the constructors, so we make sure it is
93       first.  Because this is a wildcard, it
94       doesn't matter if the user does not
95       actually link against crtbegin.o; the
96       linker won't look for a file to match a
97       wildcard.  The wildcard also means that it
98       doesn't matter which directory crtbegin.o
99       is in.  */
100    KEEP (*crtbegin.o(.ctors))
101    KEEP (*crtbegin?.o(.ctors))
102    /* We don't want to include the .ctor section from
103       from the crtend.o file until after the sorted ctors.
104       The .ctor section from the crtend file contains the
105       end of ctors marker and it must be last */
106    KEEP (*(EXCLUDE_FILE(*crtend?.o *crtend.o) .ctors))
107    KEEP (*(SORT(.ctors.*)))
108    KEEP (*(.ctors))
109    __CTOR_END__ = .;
110  } > m_text
111
112  .dtors :
113  {
114    __DTOR_LIST__ = .;
115    KEEP (*crtbegin.o(.dtors))
116    KEEP (*crtbegin?.o(.dtors))
117    KEEP (*(EXCLUDE_FILE(*crtend?.o *crtend.o) .dtors))
118    KEEP (*(SORT(.dtors.*)))
119    KEEP (*(.dtors))
120    __DTOR_END__ = .;
121  } > m_text
122
123  .preinit_array :
124  {
125    PROVIDE_HIDDEN (__preinit_array_start = .);
126    KEEP (*(.preinit_array*))
127    PROVIDE_HIDDEN (__preinit_array_end = .);
128  } > m_text
129
130  .init_array :
131  {
132    PROVIDE_HIDDEN (__init_array_start = .);
133    KEEP (*(SORT(.init_array.*)))
134    KEEP (*(.init_array*))
135    PROVIDE_HIDDEN (__init_array_end = .);
136  } > m_text
137
138  .fini_array :
139  {
140    PROVIDE_HIDDEN (__fini_array_start = .);
141    KEEP (*(SORT(.fini_array.*)))
142    KEEP (*(.fini_array*))
143    PROVIDE_HIDDEN (__fini_array_end = .);
144  } > m_text
145
146  __etext = .;    /* define a global symbol at end of code */
147  __DATA_ROM = .; /* Symbol is used by startup for data initialization */
148
149  .data : AT(__DATA_ROM)
150  {
151    . = ALIGN(4);
152    __DATA_RAM = .;
153    __data_start__ = .;      /* create a global symbol at data start */
154    *(.data)                 /* .data sections */
155    *(.data*)                /* .data* sections */
156    *(NonCacheable.init)     /* NonCacheable init section */
157    *(NonCacheable)          /* NonCacheable section */
158    *(CodeQuickAccess)       /* quick access code section */
159    *(DataQuickAccess)       /* quick access data section */
160    KEEP(*(.jcr*))
161    . = ALIGN(4);
162    __data_end__ = .;        /* define a global symbol at data end */
163  } > m_data
164
165  __DATA_END = __DATA_ROM + (__data_end__ - __data_start__);
166  text_end = ORIGIN(m_text) + LENGTH(m_text);
167  ASSERT(__DATA_END <= text_end, "region m_text overflowed with text and data")
168
169  /* Uninitialized data section */
170  .bss :
171  {
172    /* This is used by the startup in order to initialize the .bss section */
173    . = ALIGN(4);
174    __START_BSS = .;
175    __bss_start__ = .;
176    *(.bss)
177    *(.bss*)
178    *(COMMON)
179    . = ALIGN(4);
180    __bss_end__ = .;
181    __END_BSS = .;
182  } > m_data
183
184  .heap :
185  {
186    . = ALIGN(8);
187    __end__ = .;
188    PROVIDE(end = .);
189    __HeapBase = .;
190    . += HEAP_SIZE;
191    __HeapLimit = .;
192    __heap_limit = .; /* Add for _sbrk */
193  } > m_data_2
194
195  .stack :
196  {
197    . = ALIGN(8);
198    . += STACK_SIZE;
199  } > m_data_2
200
201  /* Initializes stack on the end of block */
202  __StackTop   = ORIGIN(m_data_2) + LENGTH(m_data_2);
203  __StackLimit = __StackTop - STACK_SIZE;
204  PROVIDE(__stack = __StackTop);
205
206  .ARM.attributes 0 : { *(.ARM.attributes) }
207
208  ASSERT(__StackLimit >= __HeapLimit, "region m_data_2 overflowed with stack and heap")
209}
210
211