canbootloader_script.ld
4.25 KB
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/****************************************************************************
* nuttx-config/scripts/canbootloader_script.ld
*
* Copyright (C) 2021 Gregory Nutt. All rights reserved.
* Author: Gregory Nutt <gnutt@nuttx.org>
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. 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.
* 3. Neither the name NuttX 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 OWNER 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.
*
****************************************************************************/
/* The S32K146 has 1Mb of FLASH beginning at address 0x0000:0000 and
* 124Kb of SRAM beginning at address 0x1fff:0000 (plus 4Kb of FlexRAM)
*
* The on-chip RAM is split in two regions: SRAM_L and SRAM_U. The RAM is
* implemented such that the SRAM_L and SRAM_U ranges form a contiguous
* block in the memory map
*
* SRAM_L 1fff0000 - 1fffffff 64Kb
* SRAM_U 20000000 - 2000efff 60Kb
*/
/* 6 4Kib Sectors 24 Kib for the bootloader
* paramater storace is in eeprom (dflash)
*/
MEMORY
{
vflash (rx) : ORIGIN = 0x00000000, LENGTH = 1K
pflash (rx) : ORIGIN = 0x00000400, LENGTH = 16
pflash1 (rx) : ORIGIN = 0x00000410, LENGTH = 24K-(1K + 16)
dflash (rx) : ORIGIN = 0x10000000, LENGTH = 64K
sram (rwx) : ORIGIN = 0x1fff0000, LENGTH = 124K
}
OUTPUT_ARCH(arm)
EXTERN(_vectors)
EXTERN(g_flashcfg)
ENTRY(_stext)
SECTIONS
{
.vectors :
{
_stext = ABSOLUTE(.);
*(.vectors)
} > vflash
.flashcfg :
{
*(.flashcfg)
} > pflash
.text :
{
*(.text .text.*)
*(.fixup)
*(.gnu.warning)
*(.rodata .rodata.*)
*(.gnu.linkonce.t.*)
*(.glue_7)
*(.glue_7t)
*(.got)
*(.gcc_except_table)
*(.gnu.linkonce.r.*)
_etext = ABSOLUTE(.);
} > pflash1
.init_section :
{
_sinit = ABSOLUTE(.);
KEEP(*(.init_array .init_array.*))
_einit = ABSOLUTE(.);
} > pflash1
.ARM.extab :
{
*(.ARM.extab*)
} >pflash1
.ARM.exidx :
{
__exidx_start = ABSOLUTE(.);
*(.ARM.exidx*)
__exidx_end = ABSOLUTE(.);
} >pflash1
.data :
{
_sdata = ABSOLUTE(.);
*(.data .data.*)
*(.gnu.linkonce.d.*)
CONSTRUCTORS
. = ALIGN(4);
_edata = ABSOLUTE(.);
} > sram AT > pflash1
_eronly = LOADADDR(.data);
.ramfunc ALIGN(4):
{
_sramfuncs = ABSOLUTE(.);
*(.ramfunc .ramfunc.*)
_eramfuncs = ABSOLUTE(.);
} > sram AT > pflash1
_framfuncs = LOADADDR(.ramfunc);
.bss :
{
_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) }
}