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1 | /** AMD64 linker script |
1 | /** AMD64 linker script |
2 | * |
2 | * |
3 | * umapped section: |
3 | * umapped section: |
4 | * kernel text |
4 | * kernel text |
5 | * kernel data |
5 | * kernel data |
6 | * mapped section: |
6 | * mapped section: |
7 | * kernel text |
7 | * kernel text |
8 | * kernel data |
8 | * kernel data |
9 | */ |
9 | */ |
10 | 10 | ||
11 | OUTPUT_FORMAT(binary) |
11 | OUTPUT_FORMAT(binary) |
12 | ENTRY(kernel_image_start) |
12 | ENTRY(kernel_image_start) |
13 | 13 | ||
14 | SECTIONS { |
14 | SECTIONS { |
15 | .unmapped 0x8000: AT (0x8000) { |
15 | .unmapped 0x8000: AT (0x8000) { |
16 | unmapped_ktext_start = .; |
16 | unmapped_ktext_start = .; |
17 | *(K_TEXT_START); |
17 | *(K_TEXT_START); |
18 | *(K_TEXT_START_2); |
18 | *(K_TEXT_START_2); |
19 | unmapped_ktext_end = .; |
19 | unmapped_ktext_end = .; |
20 | unmapped_kdata_start = .; |
20 | unmapped_kdata_start = .; |
21 | *(K_DATA_START); |
21 | *(K_DATA_START); |
22 | unmapped_kdata_end = .; |
22 | unmapped_kdata_end = .; |
23 | } |
23 | } |
24 | 24 | ||
25 | .mapped (0xffffffff80000000+SIZEOF(.unmapped)+0x8000) : AT (0x8000+SIZEOF(.unmapped)) { |
25 | .mapped (0xffffffff80000000+SIZEOF(.unmapped)+0x8000) : AT (0x8000+SIZEOF(.unmapped)) { |
26 | ktext_start = .; |
26 | ktext_start = .; |
- | 27 | *(BOOT_DATA); |
|
27 | *(.text); |
28 | *(.text); |
28 | ktext_end = .; |
29 | ktext_end = .; |
29 | 30 | ||
30 | kdata_start = .; |
31 | kdata_start = .; |
31 | *(.data); /* initialized data */ |
32 | *(.data); /* initialized data */ |
32 | *(.rodata*); /* string literals */ |
33 | *(.rodata*); /* string literals */ |
33 | *(COMMON); /* global variables */ |
34 | *(COMMON); /* global variables */ |
34 | hardcoded_load_address = .; |
35 | hardcoded_load_address = .; |
35 | QUAD(0xffffffff80008000); |
36 | QUAD(0xffffffff80008000); |
36 | hardcoded_ktext_size = .; |
37 | hardcoded_ktext_size = .; |
37 | QUAD(ktext_end - ktext_start + (unmapped_ktext_end - unmapped_ktext_start)); |
38 | QUAD(ktext_end - ktext_start + (unmapped_ktext_end - unmapped_ktext_start)); |
38 | hardcoded_kdata_size = .; |
39 | hardcoded_kdata_size = .; |
39 | QUAD(kdata_end - kdata_start + (unmapped_kdata_end - unmapped_kdata_start)); |
40 | QUAD(kdata_end - kdata_start + (unmapped_kdata_end - unmapped_kdata_start)); |
40 | *(.eh_frame); |
41 | *(.eh_frame); |
41 | *(.bss); /* uninitialized static variables */ |
42 | *(.bss); /* uninitialized static variables */ |
42 | *(K_DATA_END); |
43 | *(K_DATA_END); |
43 | kdata_end = .; |
44 | kdata_end = .; |
44 | } |
45 | } |
- | 46 | _map_address = 0xffffffff80000000; |
|
- | 47 | e820table_boot = e820table - _map_address; |
|
- | 48 | e820counter_boot = e820counter - _map_address; |
|
45 | } |
49 | } |
46 | 50 |