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1 | /** IA-32 linker script |
1 | /** IA-32 linker script |
2 | * |
2 | * |
- | 3 | * umapped section: |
|
3 | * kernel text |
4 | * kernel text |
4 | * kernel data |
5 | * kernel data |
- | 6 | * mapped section: |
|
- | 7 | * kernel text |
|
5 | * |
8 | * kernel data |
6 | */ |
9 | */ |
7 | 10 | ||
8 | OUTPUT_FORMAT(binary) |
11 | OUTPUT_FORMAT(binary) |
9 | ENTRY(kernel_image_start) |
12 | ENTRY(kernel_image_start) |
10 | 13 | ||
11 | SECTIONS { |
14 | SECTIONS { |
12 | .image 0x8000: AT (0x8000) { |
15 | .unmapped 0x8000: AT (0x8000) { |
13 | ktext_start = .; |
16 | unmapped_ktext_start = .; |
14 | *(K_TEXT_START); |
17 | *(K_TEXT_START); |
- | 18 | unmapped_ktext_end = .; |
|
15 | delta_start = .; |
19 | unmapped_kdata_start = .; |
16 | *(K_DATA_START); |
20 | *(K_DATA_START); |
17 | delta_end = .; |
21 | unmapped_kdata_end = .; |
- | 22 | } |
|
- | 23 | ||
- | 24 | .mapped (0x80000000+SIZEOF(.unmapped)+0x8000) : AT (0x8000+SIZEOF(.unmapped)) { |
|
- | 25 | ktext_start = .; |
|
18 | *(.text); |
26 | *(.text); |
19 | ktext_end = .; |
27 | ktext_end = .; |
20 | 28 | ||
21 | kdata_start = .; |
29 | kdata_start = .; |
22 | *(.data); /* initialized data */ |
30 | *(.data); /* initialized data */ |
Line 25... | Line 33... | ||
25 | *(.bss); /* uninitialized static variables */ |
33 | *(.bss); /* uninitialized static variables */ |
26 | *(K_DATA_END); |
34 | *(K_DATA_END); |
27 | kdata_end = .; |
35 | kdata_end = .; |
28 | } |
36 | } |
29 | 37 | ||
30 | . = ABSOLUTE(hardcoded_ktext_size); |
- | |
31 | .patch_1 : { |
- | |
32 | LONG(ktext_end - ktext_start - (delta_end - delta_start)); |
38 | _hardcoded_ktext_size = ktext_end - ktext_start + (unmapped_ktext_end - unmapped_ktext_start); |
33 | } |
- | |
34 | - | ||
35 | . = ABSOLUTE(hardcoded_kdata_size); |
- | |
36 | .patch_2 : { |
- | |
37 | LONG(kdata_end - kdata_start + (delta_end - delta_start)); |
39 | _hardcoded_kdata_size = kdata_end - kdata_start + (unmapped_kdata_end - unmapped_kdata_start); |
38 | } |
- | |
39 | - | ||
40 | . = ABSOLUTE(hardcoded_load_address); |
40 | _hardcoded_load_address = 0x80008000; |
41 | .patch_3 : { |
- | |
42 | LONG(0x8000); |
- | |
43 | } |
- | |
44 | 41 | ||
45 | } |
42 | } |