151 lines
3.9 KiB
Plaintext
151 lines
3.9 KiB
Plaintext
/****************************************************************************
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* boards/arm64/imx9/imx93-evk/scripts/ocramboot.ld
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed with
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* this work for additional information regarding copyright ownership. The
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* ASF licenses this file to you under the Apache License, Version 2.0 (the
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* "License"); you may not use this file except in compliance with the
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* License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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* License for the specific language governing permissions and limitations
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* under the License.
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*
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****************************************************************************/
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OUTPUT_ARCH(aarch64)
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ENTRY(__start)
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EXTERN(__start)
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/* Memory is organized as follows:
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* - ahab reserves memory from 2048k to 0x2049a000
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* - NuttX is compiled into 0x2049a000, ahab expects NuttX here
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* - Heap memory is allocated from ocram end to idlestack top
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*/
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MEMORY
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{
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ocram (rx) : ORIGIN = 0x2049a000, LENGTH = 0x40000
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ocram_data (rw) : ORIGIN = 0x204e0000, LENGTH = 0x2000
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ocram_noload (rw) : ORIGIN = 0x204f0000, LENGTH = 0x30000
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}
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PHDRS
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{
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/* R = 100, W = 010, X = 001 */
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text PT_LOAD FLAGS(5); /* RX */
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rodata PT_LOAD FLAGS(4); /* R */
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data PT_LOAD FLAGS(6); /* RW */
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}
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SECTIONS
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{
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.text :
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{
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_stext = ABSOLUTE(.); /* Text section */
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*(.start .start.*) /* Place __start here */
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*(.text .text.*)
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*(.text.cold)
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*(.text.unlikely)
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*(.fixup)
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*(.gnu.warning)
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} > ocram :text
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.init_section :
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{
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_sinit = ABSOLUTE(.);
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KEEP(*(SORT_BY_INIT_PRIORITY(.init_array.*) SORT_BY_INIT_PRIORITY(.ctors.*)))
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KEEP(*(.init_array .ctors))
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_einit = ABSOLUTE(.);
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} > ocram :text
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/* Vector table must be page aligned */
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.vector : ALIGN(4096)
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{
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_vector_start = ABSOLUTE(.);
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KEEP(*(.exc_vector_table))
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KEEP(*(".exc_vector_table.*"))
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KEEP(*(.vectors))
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_vector_end = ABSOLUTE(.);
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} > ocram :text
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_etext = .;
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.rodata : ALIGN(4096)
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{
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_srodata = ABSOLUTE(.); /* Read-only data */
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*(.rodata .rodata.*)
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*(.data.rel.ro)
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*(.data.rel.ro.*)
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} > ocram :rodata
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_erodata = .; /* End of read-only data */
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_eronly = .; /* End of read-only data */
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.data : ALIGN(4096)
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{
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_sdata = ABSOLUTE(.);
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*(.data.page_aligned)
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*(.data .data.*)
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. = ALIGN(8);
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*(.data.rel)
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*(.data.rel.*)
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CONSTRUCTORS
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. = ALIGN(8);
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_edata = ABSOLUTE(.);
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} > ocram_data :data
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.bss (NOLOAD) :
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{
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. = ALIGN(8);
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_sbss = ABSOLUTE(.);
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*(.bss .bss.*)
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. = ALIGN(8);
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_ebss = ABSOLUTE(.);
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} > ocram_noload :data
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.initstack :
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{
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_s_initstack = ABSOLUTE(.);
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*(.initstack)
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} > ocram_noload :data
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/* End of data must be page aligned */
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. = ALIGN(4096);
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g_idle_topstack = .;
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_e_initstack = .;
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_sztext = _srodata - _stext; /* _erodata is aligned, after _etext */
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_szrodata = _sdata - _srodata; /* _sdata is aligned, after _erodata */
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/* Sections to be discarded */
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/DISCARD/ : {
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*(.exit.text)
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*(.exit.data)
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*(.exitcall.exit)
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*(.eh_frame)
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}
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/* Stabs debugging sections. */
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.stab 0 : { *(.stab) }
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.stabstr 0 : { *(.stabstr) }
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.stab.excl 0 : { *(.stab.excl) }
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.stab.exclstr 0 : { *(.stab.exclstr) }
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.stab.index 0 : { *(.stab.index) }
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.stab.indexstr 0 : { *(.stab.indexstr) }
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.comment 0 : { *(.comment) }
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}
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_heapend = ORIGIN(ocram_noload) + LENGTH(ocram_noload);
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_szdata = _heapend - _sdata;
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