nuttx/boards/arm/eoss3/quickfeather/scripts/ld.script

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/****************************************************************************
* boards/arm/eoss3/quickfeather/scripts/ld.script
*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership. The
* ASF licenses this file to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance with the
* License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
* License for the specific language governing permissions and limitations
* under the License.
****************************************************************************/
/* There are complications here that I don't fully understand. It looks like
* the memory region 0x0000_0000 to 0x0000_8000 is ROM/Flash but is mirrored
* up to 0x2000_0000 so we need to keep the sram region outside of the
* mirrored code or we will run into issues.
*/
MEMORY
{
/* flash (rx) : ORIGIN = 0x00000000, LENGTH = 2M */
/* sram (rwx) : ORIGIN = 0x20000000, LENGTH = 512K */
flash (rx) : ORIGIN = 0x00000000, LENGTH = 0x00040000
sram (rwx) : ORIGIN = 0x20027000, LENGTH = 512K - 0x00040000
}
OUTPUT_ARCH(arm)
ENTRY(_stext)
EXTERN(_vectors)
SECTIONS
{
.text : {
_stext = ABSOLUTE(.);
*(.vectors)
*(.text .text.*)
*(.fixup)
*(.gnu.warning)
*(.rodata .rodata.*)
*(.gnu.linkonce.t.*)
*(.glue_7)
*(.glue_7t)
*(.got)
*(.gcc_except_table)
*(.gnu.linkonce.r.*)
_etext = ABSOLUTE(.);
} > flash
.init_section : ALIGN(4) {
_sinit = ABSOLUTE(.);
KEEP(*(.init_array .init_array.*))
_einit = ABSOLUTE(.);
} > flash
.ARM.extab : ALIGN(4) {
*(.ARM.extab*)
} > flash
.ARM.exidx : ALIGN(4) {
__exidx_start = ABSOLUTE(.);
*(.ARM.exidx*)
__exidx_end = ABSOLUTE(.);
} > flash
_eronly = ABSOLUTE(.);
.data : ALIGN(4) {
_sdata = ABSOLUTE(.);
*(.data .data.*)
*(.gnu.linkonce.d.*)
CONSTRUCTORS
. = ALIGN(4);
_edata = ABSOLUTE(.);
} > sram AT > flash
.bss : ALIGN(4) {
_sbss = ABSOLUTE(.);
*(.bss .bss.*)
*(.gnu.linkonce.b.*)
*(COMMON)
. = ALIGN(4);
_ebss = ABSOLUTE(.);
} > sram
/* Stabs debugging sections. */
.stab 0 : { *(.stab) }
.stabstr 0 : { *(.stabstr) }
.stab.excl 0 : { *(.stab.excl) }
.stab.exclstr 0 : { *(.stab.exclstr) }
.stab.index 0 : { *(.stab.index) }
.stab.indexstr 0 : { *(.stab.indexstr) }
.comment 0 : { *(.comment) }
.debug_abbrev 0 : { *(.debug_abbrev) }
.debug_info 0 : { *(.debug_info) }
.debug_line 0 : { *(.debug_line) }
.debug_pubnames 0 : { *(.debug_pubnames) }
.debug_aranges 0 : { *(.debug_aranges) }
}