1/*
2** ###################################################################
3**     Processors:          K32L2A41VLH1A
4**                          K32L2A41VLL1A
5**
6**     Compiler:            GNU C Compiler
7**     Reference manual:    K32L2AxRM, Rev. 1, 12/2019
8**     Version:             rev. 1.0, 2019-10-30
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 = 0x00000140
36  m_flash_config        (RX)  : ORIGIN = 0x00000400, LENGTH = 0x00000010
37  m_text                (RX)  : ORIGIN = 0x00000410, LENGTH = 0x0007FBF0
38  m_data                (RW)  : ORIGIN = 0x1FFF8000, LENGTH = 0x00020000
39  m_usb_sram            (RW)  : ORIGIN = 0x40100000, LENGTH = 0x00000800
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  /* reserve MTB memory at the beginning of m_data */
150  .mtb : /* MTB buffer address as defined by the hardware */
151  {
152    . = ALIGN(8);
153    _mtb_start = .;
154    KEEP(*(.mtb_buf)) /* need to KEEP Micro Trace Buffer as not referenced by application */
155    . = ALIGN(8);
156    _mtb_end = .;
157  } > m_data
158
159  .data : AT(__DATA_ROM)
160  {
161    . = ALIGN(4);
162    __DATA_RAM = .;
163    __data_start__ = .;      /* create a global symbol at data start */
164    *(.data)                 /* .data sections */
165    *(.data*)                /* .data* sections */
166    *(NonCacheable.init)     /* NonCacheable init section */
167    *(NonCacheable)          /* NonCacheable section */
168    *(CodeQuickAccess)       /* quick access code section */
169    *(DataQuickAccess)       /* quick access data section */
170    KEEP(*(.jcr*))
171    . = ALIGN(4);
172    __data_end__ = .;        /* define a global symbol at data end */
173  } > m_data
174
175  __DATA_END = __DATA_ROM + (__data_end__ - __data_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  m_usb_bdt (NOLOAD) :
212  {
213    . = ALIGN(512);
214    *(m_usb_bdt)
215  } > m_usb_sram
216
217  m_usb_global (NOLOAD) :
218  {
219    *(m_usb_global)
220  } > m_usb_sram
221
222  /* Initializes stack on the end of block */
223  __StackTop   = ORIGIN(m_data) + LENGTH(m_data);
224  __StackLimit = __StackTop - STACK_SIZE;
225  PROVIDE(__stack = __StackTop);
226
227  .ARM.attributes 0 : { *(.ARM.attributes) }
228
229  ASSERT(__StackLimit >= __HeapLimit, "region m_data overflowed with stack and heap")
230}
231
232