1/*
2** ###################################################################
3**     Processors:          K32L2A31VLH1A
4**                          K32L2A31VLL1A
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 = 0x1FFF8000, LENGTH = 0x00000140
36  m_data                (RW)  : ORIGIN = 0x1FFF8140, LENGTH = 0x00007EC0
37  m_text                (RX)  : ORIGIN = 0x20000000, LENGTH = 0x00018000
38  m_usb_sram            (RW)  : ORIGIN = 0x40100000, LENGTH = 0x00000800
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  /* reserve MTB memory at the beginning of m_data */
142  .mtb : /* MTB buffer address as defined by the hardware */
143  {
144    . = ALIGN(8);
145    _mtb_start = .;
146    KEEP(*(.mtb_buf)) /* need to KEEP Micro Trace Buffer as not referenced by application */
147    . = ALIGN(8);
148    _mtb_end = .;
149  } > m_data
150
151  .data : AT(__DATA_ROM)
152  {
153    . = ALIGN(4);
154    __DATA_RAM = .;
155    __data_start__ = .;      /* create a global symbol at data start */
156    *(.data)                 /* .data sections */
157    *(.data*)                /* .data* sections */
158    *(NonCacheable.init)     /* NonCacheable init section */
159    *(NonCacheable)          /* NonCacheable section */
160    *(CodeQuickAccess)       /* quick access code section */
161    *(DataQuickAccess)       /* quick access data section */
162    KEEP(*(.jcr*))
163    . = ALIGN(4);
164    __data_end__ = .;        /* define a global symbol at data end */
165  } > m_data
166
167  __DATA_END = __DATA_ROM + (__data_end__ - __data_start__);
168  text_end = ORIGIN(m_text) + LENGTH(m_text);
169  ASSERT(__DATA_END <= text_end, "region m_text overflowed with text and data")
170
171  /* Uninitialized data section */
172  .bss :
173  {
174    /* This is used by the startup in order to initialize the .bss section */
175    . = ALIGN(4);
176    __START_BSS = .;
177    __bss_start__ = .;
178    *(.bss)
179    *(.bss*)
180    *(COMMON)
181    . = ALIGN(4);
182    __bss_end__ = .;
183    __END_BSS = .;
184  } > m_data
185
186  .heap :
187  {
188    . = ALIGN(8);
189    __end__ = .;
190    PROVIDE(end = .);
191    __HeapBase = .;
192    . += HEAP_SIZE;
193    __HeapLimit = .;
194    __heap_limit = .; /* Add for _sbrk */
195  } > m_data
196
197  .stack :
198  {
199    . = ALIGN(8);
200    . += STACK_SIZE;
201  } > m_data
202
203  m_usb_bdt (NOLOAD) :
204  {
205    . = ALIGN(512);
206    *(m_usb_bdt)
207  } > m_usb_sram
208
209  m_usb_global (NOLOAD) :
210  {
211    *(m_usb_global)
212  } > m_usb_sram
213
214  /* Initializes stack on the end of block */
215  __StackTop   = ORIGIN(m_data) + LENGTH(m_data);
216  __StackLimit = __StackTop - STACK_SIZE;
217  PROVIDE(__stack = __StackTop);
218
219  .ARM.attributes 0 : { *(.ARM.attributes) }
220
221  ASSERT(__StackLimit >= __HeapLimit, "region m_data overflowed with stack and heap")
222}
223
224