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kernel: update boot code and linker script for aarch64

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Signed-off-by: EnderIce2 <enderice2@protonmail.com>
This commit is contained in:
EnderIce2
2025-01-13 09:22:01 +02:00
parent 210e06429c
commit 749a1b1810
3 changed files with 115 additions and 46 deletions
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70
Kernel/arch/aarch64/linker.ld
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@ -20,43 +20,60 @@ 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 = .;
.text.boot :
.bootstrap :
{
*(.text.boot)
. += CONSTANT(MAXPAGESIZE);
_bss_start = .;
*(.text.bss)
_bss_end = .;
}
*(.bootstrap.boot .bootstrap.boot.*)
*(.bootstrap .bootstrap.*)
} :bootstrap
_bootstrap_end = .;
_kernel_start = .;
_kernel_text_start = .;
.text :
{
KEEP(*(.text.boot))
*(.text .text.*)
}
. = ALIGN(4096);
} :text
_kernel_text_end = .;
_kernel_data_start = .;
.data :
{
*(.data .data.*)
}
. = ALIGN(4096);
} :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.*)
}
. = ALIGN(4096);
} :rodata
.init_array :
{
@ -64,7 +81,7 @@ SECTIONS
KEEP(*(.init_array .ctors))
KEEP(*(SORT_BY_INIT_PRIORITY(.init_array.*) SORT_BY_INIT_PRIORITY(.ctors.*)))
PROVIDE_HIDDEN (__init_array_end = .);
}
} :rodata
.fini_array :
{
@ -72,18 +89,33 @@ SECTIONS
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.*)
}
. = ALIGN(4096);
} :bss
_kernel_bss_end = .;
_kernel_bss_size = SIZEOF(.bss);
_kernel_end = .;
_bss_size = _kernel_end - _kernel_rodata_end;
/DISCARD/ :
{