xref: /openbmc/u-boot/arch/arm/cpu/u-boot.lds (revision e39eed8f) 
1/* SPDX-License-Identifier: GPL-2.0+ */
2/*
3 * Copyright (c) 2004-2008 Texas Instruments
4 *
5 * (C) Copyright 2002
6 * Gary Jennejohn, DENX Software Engineering, <garyj@denx.de>
7 */
8
9#include <config.h>
10#include <asm/psci.h>
11
12OUTPUT_FORMAT("elf32-littlearm", "elf32-littlearm", "elf32-littlearm")
13OUTPUT_ARCH(arm)
14ENTRY(_start)
15SECTIONS
16{
17#ifndef CONFIG_CMDLINE
18	/DISCARD/ : { *(.u_boot_list_2_cmd_*) }
19#endif
20#if defined(CONFIG_ARMV7_SECURE_BASE) && defined(CONFIG_ARMV7_NONSEC)
21	/*
22	 * If CONFIG_ARMV7_SECURE_BASE is true, secure code will not
23	 * bundle with u-boot, and code offsets are fixed. Secure zone
24	 * only needs to be copied from the loading address to
25	 * CONFIG_ARMV7_SECURE_BASE, which is the linking and running
26	 * address for secure code.
27	 *
28	 * If CONFIG_ARMV7_SECURE_BASE is undefined, the secure zone will
29	 * be included in u-boot address space, and some absolute address
30	 * were used in secure code. The absolute addresses of the secure
31	 * code also needs to be relocated along with the accompanying u-boot
32	 * code.
33	 *
34	 * So DISCARD is only for CONFIG_ARMV7_SECURE_BASE.
35	 */
36	/DISCARD/ : { *(.rel._secure*) }
37#endif
38	. = 0x00000000;
39
40	. = ALIGN(4);
41	.text :
42	{
43		*(.__image_copy_start)
44		*(.vectors)
45		CPUDIR/start.o (.text*)
46	}
47
48	/* This needs to come before *(.text*) */
49	.__efi_runtime_start : {
50		*(.__efi_runtime_start)
51	}
52
53	.efi_runtime : {
54		*(.text.efi_runtime*)
55		*(.rodata.efi_runtime*)
56		*(.data.efi_runtime*)
57	}
58
59	.__efi_runtime_stop : {
60		*(.__efi_runtime_stop)
61	}
62
63	.text_rest :
64	{
65		*(.text*)
66	}
67
68#ifdef CONFIG_ARMV7_NONSEC
69
70	/* Align the secure section only if we're going to use it in situ */
71	.__secure_start
72#ifndef CONFIG_ARMV7_SECURE_BASE
73		ALIGN(CONSTANT(COMMONPAGESIZE))
74#endif
75	: {
76		KEEP(*(.__secure_start))
77	}
78
79#ifndef CONFIG_ARMV7_SECURE_BASE
80#define CONFIG_ARMV7_SECURE_BASE
81#define __ARMV7_PSCI_STACK_IN_RAM
82#endif
83
84	.secure_text CONFIG_ARMV7_SECURE_BASE :
85		AT(ADDR(.__secure_start) + SIZEOF(.__secure_start))
86	{
87		*(._secure.text)
88	}
89
90	.secure_data : AT(LOADADDR(.secure_text) + SIZEOF(.secure_text))
91	{
92		*(._secure.data)
93	}
94
95#ifdef CONFIG_ARMV7_PSCI
96	.secure_stack ALIGN(ADDR(.secure_data) + SIZEOF(.secure_data),
97			    CONSTANT(COMMONPAGESIZE)) (NOLOAD) :
98#ifdef __ARMV7_PSCI_STACK_IN_RAM
99		AT(ADDR(.secure_stack))
100#else
101		AT(LOADADDR(.secure_data) + SIZEOF(.secure_data))
102#endif
103	{
104		KEEP(*(.__secure_stack_start))
105
106		/* Skip addreses for stack */
107		. = . + CONFIG_ARMV7_PSCI_NR_CPUS * ARM_PSCI_STACK_SIZE;
108
109		/* Align end of stack section to page boundary */
110		. = ALIGN(CONSTANT(COMMONPAGESIZE));
111
112		KEEP(*(.__secure_stack_end))
113
114#ifdef CONFIG_ARMV7_SECURE_MAX_SIZE
115		/*
116		 * We are not checking (__secure_end - __secure_start) here,
117		 * as these are the load addresses, and do not include the
118		 * stack section. Instead, use the end of the stack section
119		 * and the start of the text section.
120		 */
121		ASSERT((. - ADDR(.secure_text)) <= CONFIG_ARMV7_SECURE_MAX_SIZE,
122		       "Error: secure section exceeds secure memory size");
123#endif
124	}
125
126#ifndef __ARMV7_PSCI_STACK_IN_RAM
127	/* Reset VMA but don't allocate space if we have secure SRAM */
128	. = LOADADDR(.secure_stack);
129#endif
130
131#endif
132
133	.__secure_end : AT(ADDR(.__secure_end)) {
134		*(.__secure_end)
135		LONG(0x1d1071c);	/* Must output something to reset LMA */
136	}
137#endif
138
139	. = ALIGN(4);
140	.rodata : { *(SORT_BY_ALIGNMENT(SORT_BY_NAME(.rodata*))) }
141
142	. = ALIGN(4);
143	.data : {
144		*(.data*)
145	}
146
147	. = ALIGN(4);
148
149	. = .;
150
151	. = ALIGN(4);
152	.u_boot_list : {
153		KEEP(*(SORT(.u_boot_list*)));
154	}
155
156	. = ALIGN(4);
157
158	.efi_runtime_rel_start :
159	{
160		*(.__efi_runtime_rel_start)
161	}
162
163	.efi_runtime_rel : {
164		*(.rel*.efi_runtime)
165		*(.rel*.efi_runtime.*)
166	}
167
168	.efi_runtime_rel_stop :
169	{
170		*(.__efi_runtime_rel_stop)
171	}
172
173	. = ALIGN(4);
174
175	.image_copy_end :
176	{
177		*(.__image_copy_end)
178	}
179
180	.rel_dyn_start :
181	{
182		*(.__rel_dyn_start)
183	}
184
185	.rel.dyn : {
186		*(.rel*)
187	}
188
189	.rel_dyn_end :
190	{
191		*(.__rel_dyn_end)
192	}
193
194	.end :
195	{
196		*(.__end)
197	}
198
199	_image_binary_end = .;
200
201	/*
202	 * Deprecated: this MMU section is used by pxa at present but
203	 * should not be used by new boards/CPUs.
204	 */
205	. = ALIGN(4096);
206	.mmutable : {
207		*(.mmutable)
208	}
209
210/*
211 * Compiler-generated __bss_start and __bss_end, see arch/arm/lib/bss.c
212 * __bss_base and __bss_limit are for linker only (overlay ordering)
213 */
214
215	.bss_start __rel_dyn_start (OVERLAY) : {
216		KEEP(*(.__bss_start));
217		__bss_base = .;
218	}
219
220	.bss __bss_base (OVERLAY) : {
221		*(.bss*)
222		 . = ALIGN(4);
223		 __bss_limit = .;
224	}
225
226	.bss_end __bss_limit (OVERLAY) : {
227		KEEP(*(.__bss_end));
228	}
229
230	.dynsym _image_binary_end : { *(.dynsym) }
231	.dynbss : { *(.dynbss) }
232	.dynstr : { *(.dynstr*) }
233	.dynamic : { *(.dynamic*) }
234	.plt : { *(.plt*) }
235	.interp : { *(.interp*) }
236	.gnu.hash : { *(.gnu.hash) }
237	.gnu : { *(.gnu*) }
238	.ARM.exidx : { *(.ARM.exidx*) }
239	.gnu.linkonce.armexidx : { *(.gnu.linkonce.armexidx.*) }
240}
241