53fcaede28
Align _ebss to 16, otherwise g_idle_topstack is not correctly aligned. For some reason the previous alignment worked with make buit but in case of cmake with optimization enabled, the IDLE stack was misaligned which caused vector instruction misalignment exception. Signed-off-by: p-szafonimateusz <p-szafonimateusz@xiaomi.com>
123 lines
3.2 KiB
Plaintext
123 lines
3.2 KiB
Plaintext
/****************************************************************************
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* boards/x86_64/intel64/qemu-intel64/scripts/qemu.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(i386:x86-64)
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ENTRY(__pmode_entry)
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SECTIONS
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{
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. = 0x0;
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.realmode : {
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. = ALIGN(8);
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KEEP(*(.multiboot))
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*(.realmode)
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}
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. = 0x1M;
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_kernel_physical_start = .;
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.loader.text : {
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. = ALIGN(8);
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*(.loader.text)
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}
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.loader.rodata : {
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*(.loader.rodata)
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}
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.loader.data : {
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*(.loader.data)
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}
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.loader.bss : {
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*(.loader.bss)
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}
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. = ALIGN(0x1000);
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_boot_end = .;
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. += 0x100000000;
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_kernel_virtual_start = .;
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.text : AT(_boot_end)
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{
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_stext = ABSOLUTE(.);
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. = ALIGN(8);
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KEEP(*(.multiboot))
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*(.text .text.*)
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*(.gnu.linkonce.t.*)
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_etext = ABSOLUTE(.);
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}
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.rodata ALIGN(0x1000) : AT ( (LOADADDR (.text) + SIZEOF (.text) + 0xFFF) & 0xFFFFFFFFFFFFF000 )
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{
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_srodata = ABSOLUTE(.);
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*(.rodata .rodata.*)
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*(.fixup)
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*(.gnu.warning)
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*(.glue_7)
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*(.glue_7t)
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*(.got)
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*(.gcc_except_table)
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*(.gnu.linkonce.r.*)
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*(.eh_frame)
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_erodata = ABSOLUTE(.);
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}
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.data ALIGN(0x1000) : AT ( (LOADADDR (.rodata) + SIZEOF (.rodata) + 0xFFF) & 0xFFFFFFFFFFFFF000 )
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{
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_sdata = ABSOLUTE(.);
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*(.data .data.*)
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*(.gnu.linkonce.d.*)
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CONSTRUCTORS
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. = ALIGN(4);
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_edata = ABSOLUTE(.);
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}
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.bss ALIGN(0x1000) : AT ( (LOADADDR (.data) + SIZEOF (.data) + 0xFFF) & 0xFFFFFFFFFFFFF000 )
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{
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_sbss = ABSOLUTE(.);
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*(.bss .bss.*)
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*(.gnu.linkonce.b.*)
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*(COMMON)
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. = ALIGN(16);
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_ebss = ABSOLUTE(.);
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}
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_kernel_virtual_end = .;
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_kernel_physical_end = (LOADADDR (.bss) + SIZEOF (.bss) + 0xFFF) & 0xFFFFFFFFFFFFF000;
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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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.debug_abbrev 0 : { *(.debug_abbrev) }
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.debug_info 0 : { *(.debug_info) }
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.debug_line 0 : { *(.debug_line) }
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.debug_pubnames 0 : { *(.debug_pubnames) }
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.debug_aranges 0 : { *(.debug_aranges) }
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}
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