blob: 83ef7e7bf8ae446cf5f8193d56e162ada206cccd [file] [log] [blame]
/*
* Copyright (c) 2013-2014, ARM Limited and Contributors. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* Redistributions of source code must retain the above copyright notice, this
* list of conditions and the following disclaimer.
*
* Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
*
* Neither the name of ARM nor the names of its contributors may be used
* to endorse or promote products derived from this software without specific
* prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
#include <platform_def.h>
OUTPUT_FORMAT(PLATFORM_LINKER_FORMAT)
OUTPUT_ARCH(PLATFORM_LINKER_ARCH)
ENTRY(bl31_entrypoint)
MEMORY {
RAM (rwx): ORIGIN = BL31_BASE, LENGTH = BL31_LIMIT
}
SECTIONS
{
. = BL31_BASE;
ASSERT(. == ALIGN(4096),
"BL31_BASE address is not aligned on a page boundary.")
ro . : {
__RO_START__ = .;
*bl31_entrypoint.o(.text*)
*(.text*)
*(.rodata*)
/* Ensure 8-byte alignment for descriptors and ensure inclusion */
. = ALIGN(8);
__RT_SVC_DESCS_START__ = .;
KEEP(*(rt_svc_descs))
__RT_SVC_DESCS_END__ = .;
*(.vectors)
__RO_END_UNALIGNED__ = .;
/*
* Memory page(s) mapped to this section will be marked as read-only,
* executable. No RW data from the next section must creep in.
* Ensure the rest of the current memory page is unused.
*/
. = NEXT(4096);
__RO_END__ = .;
} >RAM
.data . : {
__DATA_START__ = .;
*(.data*)
__DATA_END__ = .;
} >RAM
#ifdef BL31_PROGBITS_LIMIT
ASSERT(. <= BL31_PROGBITS_LIMIT, "BL3-1 progbits has exceeded its limit.")
#endif
stacks (NOLOAD) : {
__STACKS_START__ = .;
*(tzfw_normal_stacks)
__STACKS_END__ = .;
} >RAM
/*
* The .bss section gets initialised to 0 at runtime.
* Its base address must be 16-byte aligned.
*/
.bss : ALIGN(16) {
__BSS_START__ = .;
*(.bss*)
*(COMMON)
__BSS_END__ = .;
} >RAM
/*
* The xlat_table section is for full, aligned page tables (4K).
* Removing them from .bss avoids forcing 4K alignment on
* the .bss section and eliminates the unecessary zero init
*/
xlat_table (NOLOAD) : {
*(xlat_table)
} >RAM
/*
* The base address of the coherent memory section must be page-aligned (4K)
* to guarantee that the coherent data are stored on their own pages and
* are not mixed with normal data. This is required to set up the correct
* memory attributes for the coherent data page tables.
*/
coherent_ram (NOLOAD) : ALIGN(4096) {
__COHERENT_RAM_START__ = .;
*(tzfw_coherent_mem)
__COHERENT_RAM_END_UNALIGNED__ = .;
/*
* Memory page(s) mapped to this section will be marked
* as device memory. No other unexpected data must creep in.
* Ensure the rest of the current memory page is unused.
*/
. = NEXT(4096);
__COHERENT_RAM_END__ = .;
} >RAM
__BL31_END__ = .;
__BSS_SIZE__ = SIZEOF(.bss);
__COHERENT_RAM_UNALIGNED_SIZE__ =
__COHERENT_RAM_END_UNALIGNED__ - __COHERENT_RAM_START__;
ASSERT(. <= BL31_LIMIT, "BL3-1 image has exceeded its limit.")
}