1/*
2** ###################################################################
3**     Processors:          MKE15Z256VLH7
4**                          MKE15Z256VLL7
5**
6**     Compiler:            GNU C Compiler
7**     Reference manual:    KE1xZP100M72SF0RM, Rev. 2, Aug. 2016
8**     Version:             rev. 3.0, 2016-09-20
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 = 0x1FFFE000, LENGTH = 0x00000200
36  m_data                (RW)  : ORIGIN = 0x1FFFE200, LENGTH = 0x00001E00
37  m_text                (RX)  : ORIGIN = 0x20000000, LENGTH = 0x00006000
38}
39
40/* Define output sections */
41SECTIONS
42{
43  /* The startup code goes first into internal RAM */
44  .interrupts :
45  {
46    . = ALIGN(4);
47    KEEP(*(.isr_vector))     /* Startup code */
48    . = ALIGN(4);
49  } > m_interrupts
50
51  /* The program code and other data goes into internal RAM */
52  .text :
53  {
54    . = ALIGN(4);
55    *(.text)                 /* .text sections (code) */
56    *(.text*)                /* .text* sections (code) */
57    *(.rodata)               /* .rodata sections (constants, strings, etc.) */
58    *(.rodata*)              /* .rodata* sections (constants, strings, etc.) */
59    *(.glue_7)               /* glue arm to thumb code */
60    *(.glue_7t)              /* glue thumb to arm code */
61    *(.eh_frame)
62    KEEP (*(.init))
63    KEEP (*(.fini))
64    . = ALIGN(4);
65  } > m_text
66
67  .ARM.extab :
68  {
69    *(.ARM.extab* .gnu.linkonce.armextab.*)
70  } > m_text
71
72  .ARM :
73  {
74    __exidx_start = .;
75    *(.ARM.exidx*)
76    __exidx_end = .;
77  } > m_text
78
79 .ctors :
80  {
81    __CTOR_LIST__ = .;
82    /* gcc uses crtbegin.o to find the start of
83       the constructors, so we make sure it is
84       first.  Because this is a wildcard, it
85       doesn't matter if the user does not
86       actually link against crtbegin.o; the
87       linker won't look for a file to match a
88       wildcard.  The wildcard also means that it
89       doesn't matter which directory crtbegin.o
90       is in.  */
91    KEEP (*crtbegin.o(.ctors))
92    KEEP (*crtbegin?.o(.ctors))
93    /* We don't want to include the .ctor section from
94       from the crtend.o file until after the sorted ctors.
95       The .ctor section from the crtend file contains the
96       end of ctors marker and it must be last */
97    KEEP (*(EXCLUDE_FILE(*crtend?.o *crtend.o) .ctors))
98    KEEP (*(SORT(.ctors.*)))
99    KEEP (*(.ctors))
100    __CTOR_END__ = .;
101  } > m_text
102
103  .dtors :
104  {
105    __DTOR_LIST__ = .;
106    KEEP (*crtbegin.o(.dtors))
107    KEEP (*crtbegin?.o(.dtors))
108    KEEP (*(EXCLUDE_FILE(*crtend?.o *crtend.o) .dtors))
109    KEEP (*(SORT(.dtors.*)))
110    KEEP (*(.dtors))
111    __DTOR_END__ = .;
112  } > m_text
113
114  .preinit_array :
115  {
116    PROVIDE_HIDDEN (__preinit_array_start = .);
117    KEEP (*(.preinit_array*))
118    PROVIDE_HIDDEN (__preinit_array_end = .);
119  } > m_text
120
121  .init_array :
122  {
123    PROVIDE_HIDDEN (__init_array_start = .);
124    KEEP (*(SORT(.init_array.*)))
125    KEEP (*(.init_array*))
126    PROVIDE_HIDDEN (__init_array_end = .);
127  } > m_text
128
129  .fini_array :
130  {
131    PROVIDE_HIDDEN (__fini_array_start = .);
132    KEEP (*(SORT(.fini_array.*)))
133    KEEP (*(.fini_array*))
134    PROVIDE_HIDDEN (__fini_array_end = .);
135  } > m_text
136
137  __etext = .;    /* define a global symbol at end of code */
138  __DATA_ROM = .; /* Symbol is used by startup for data initialization */
139
140  /* reserve MTB memory at the beginning of m_data */
141  .mtb : /* MTB buffer address as defined by the hardware */
142  {
143    . = ALIGN(8);
144    _mtb_start = .;
145    KEEP(*(.mtb_buf)) /* need to KEEP Micro Trace Buffer as not referenced by application */
146    . = ALIGN(8);
147    _mtb_end = .;
148  } > m_data
149
150  .data : AT(__DATA_ROM)
151  {
152    . = ALIGN(4);
153    __DATA_RAM = .;
154    __data_start__ = .;      /* create a global symbol at data start */
155    *(.data)                 /* .data sections */
156    *(.data*)                /* .data* sections */
157    *(NonCacheable.init)     /* NonCacheable init section */
158    *(NonCacheable)          /* NonCacheable section */
159    *(CodeQuickAccess)       /* quick access code section */
160    *(DataQuickAccess)       /* quick access data section */
161    KEEP(*(.jcr*))
162    . = ALIGN(4);
163    __data_end__ = .;        /* define a global symbol at data end */
164  } > m_data
165
166  __DATA_END = __DATA_ROM + (__data_end__ - __data_start__);
167  text_end = ORIGIN(m_text) + LENGTH(m_text);
168  ASSERT(__DATA_END <= text_end, "region m_text overflowed with text and data")
169
170  /* Uninitialized data section */
171  .bss :
172  {
173    /* This is used by the startup in order to initialize the .bss section */
174    . = ALIGN(4);
175    __START_BSS = .;
176    __bss_start__ = .;
177    *(.bss)
178    *(.bss*)
179    *(COMMON)
180    . = ALIGN(4);
181    __bss_end__ = .;
182    __END_BSS = .;
183  } > m_data
184
185  .heap :
186  {
187    . = ALIGN(8);
188    __end__ = .;
189    PROVIDE(end = .);
190    __HeapBase = .;
191    . += HEAP_SIZE;
192    __HeapLimit = .;
193    __heap_limit = .; /* Add for _sbrk */
194  } > m_data
195
196  .stack :
197  {
198    . = ALIGN(8);
199    . += STACK_SIZE;
200  } > m_data
201
202  /* Initializes stack on the end of block */
203  __StackTop   = ORIGIN(m_data) + LENGTH(m_data);
204  __StackLimit = __StackTop - STACK_SIZE;
205  PROVIDE(__stack = __StackTop);
206
207  .ARM.attributes 0 : { *(.ARM.attributes) }
208
209  ASSERT(__StackLimit >= __HeapLimit, "region m_data overflowed with stack and heap")
210}
211
212