EnderIce2 749a1b1810
kernel: update boot code and linker script for aarch64
Signed-off-by: EnderIce2 <enderice2@protonmail.com>
2025-01-13 09:22:01 +02:00

125 lines
2.4 KiB
Plaintext

/*
This file is part of Fennix Kernel.
Fennix Kernel is free software: you can redistribute it and/or
modify it under the terms of the GNU General Public License as
published by the Free Software Foundation, either version 3 of
the License, or (at your option) any later version.
Fennix Kernel is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with Fennix Kernel. If not, see <https://www.gnu.org/licenses/>.
*/
OUTPUT_FORMAT("elf64-littleaarch64")
OUTPUT_ARCH(aarch64)
ENTRY(_start)
PF_R = 0x4;
PF_W = 0x2;
PF_X = 0x1;
PHDRS
{
bootstrap PT_LOAD FLAGS( PF_R | PF_W /*| PF_X*/ );
text PT_LOAD FLAGS( PF_R | PF_X );
data PT_LOAD FLAGS( PF_R | PF_W );
rodata PT_LOAD FLAGS( PF_R );
bss PT_LOAD FLAGS( PF_R | PF_W );
}
SECTIONS
{
. = 0x80000;
_bootstrap_start = .;
.bootstrap :
{
*(.bootstrap.boot .bootstrap.boot.*)
*(.bootstrap .bootstrap.*)
} :bootstrap
_bootstrap_end = .;
_kernel_start = .;
_kernel_text_start = .;
.text :
{
*(.text .text.*)
} :text
_kernel_text_end = .;
_kernel_data_start = .;
.data :
{
*(.data .data.*)
} :data
.eh_frame :
{
KEEP (*(.eh_frame .eh_frame.*))
} :data
.gcc_except_table :
{
KEEP (*(.gcc_except_table .gcc_except_table.*))
} :data
_kernel_data_end = .;
_kernel_rodata_start = .;
.rodata :
{
*(.rodata .rodata.*)
} :rodata
.init_array :
{
PROVIDE_HIDDEN(__init_array_start = .);
KEEP(*(.init_array .ctors))
KEEP(*(SORT_BY_INIT_PRIORITY(.init_array.*) SORT_BY_INIT_PRIORITY(.ctors.*)))
PROVIDE_HIDDEN (__init_array_end = .);
} :rodata
.fini_array :
{
PROVIDE_HIDDEN(__fini_array_start = .);
KEEP(*(SORT_BY_INIT_PRIORITY(.fini_array.*) SORT_BY_INIT_PRIORITY(.dtors.*)))
KEEP(*(.fini_array .dtors))
PROVIDE_HIDDEN (__fini_array_end = .);
} :rodata
.eh_frame_hdr :
{
*(.eh_frame_hdr .eh_frame_hdr.*)
} :rodata
.eh_frame :
{
KEEP (*(.eh_frame .eh_frame.*))
} :rodata
.gcc_except_table :
{
KEEP (*(.gcc_except_table .gcc_except_table.*))
} :rodata
_kernel_rodata_end = .;
_kernel_bss_start = .;
.bss :
{
*(COMMON)
*(.bss .bss.*)
} :bss
_kernel_bss_end = .;
_kernel_bss_size = SIZEOF(.bss);
_kernel_end = .;
/DISCARD/ :
{
*(.comment*)
}
}