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将内核定位到高地址（存在bug，中断时会访问低地址）

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This commit is contained in:
fslongjin
2022-04-10 21:30:16 +08:00
parent 3063a340e2
commit f5f36aafd8
23 changed files with 689 additions and 238 deletions
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17
kernel/link.lds
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@ -20,7 +20,8 @@ SECTIONS
}
. += KERNEL_VMA;
.text : AT(ADDR(.text) - KERNEL_VMA)
text_start_pa = .;
.text (text_start_pa): AT(text_start_pa - KERNEL_VMA)
{
_text = .;
@ -28,14 +29,16 @@ SECTIONS
_etext = .;
}
. = ALIGN(8);
.data : AT(ADDR(.data) - KERNEL_VMA)
data_start_pa = .;
.data (data_start_pa): AT(data_start_pa - KERNEL_VMA)
{
_data = .;
*(.data)
_edata = .;
}
.rodata : AT(ADDR(.rodata) - KERNEL_VMA)
rodata_start_pa = .;
.rodata (rodata_start_pa): AT(rodata_start_pa - KERNEL_VMA)
{
_rodata = .;
*(.rodata)
@ -43,9 +46,13 @@ SECTIONS
}
. = ALIGN(32768);
.data.init_proc_union : AT(ADDR(.data.init_proc_union) - KERNEL_VMA)
init_proc_union_start_pa = .;
.data.init_proc_union (init_proc_union_start_pa): AT(init_proc_union_start_pa - KERNEL_VMA)
{ *(.data.init_proc_union) }
.bss : AT(ADDR(.bss) - KERNEL_VMA)
bss_start_pa = .;
.bss (bss_start_pa): AT(bss_start_pa - KERNEL_VMA)
{
_bss = .;
*(.bss)