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1 | /** PPC32 linker script |
1 | /** PPC32 linker script |
2 | * |
2 | * |
3 | * It is ELF format, but its only section looks like this: |
3 | * umapped section: |
4 | * kernel text |
4 | * kernel text |
5 | * kernel data |
5 | * kernel data |
- | 6 | * mapped section: |
|
- | 7 | * kernel text |
|
- | 8 | * kernel data |
|
6 | * |
9 | * |
7 | */ |
10 | */ |
8 | 11 | ||
9 | #define __ASM__ |
12 | #define __ASM__ |
10 | #include <arch/boot/boot.h> |
13 | #include <arch/boot/boot.h> |
11 | #include <arch/mm/page.h> |
14 | #include <arch/mm/page.h> |
12 | 15 | ||
13 | ENTRY(kernel_image_start) |
16 | ENTRY(kernel_image_start) |
14 | 17 | ||
15 | SECTIONS { |
18 | SECTIONS { |
- | 19 | .unmapped 0: AT (0) { |
|
- | 20 | unmapped_ktext_start = .; |
|
- | 21 | *(K_UNMAPPED_TEXT_START); |
|
- | 22 | unmapped_ktext_end = .; |
|
- | 23 | ||
- | 24 | unmapped_kdata_start = .; |
|
- | 25 | *(K_UNMAPPED_DATA_START); |
|
- | 26 | unmapped_kdata_start = .; |
|
- | 27 | } |
|
- | 28 | ||
16 | .image PA2KA(BOOT_OFFSET): AT (0) { |
29 | .mapped PA2KA(BOOT_OFFSET): AT (BOOT_OFFSET) { |
17 | ktext_start = .; |
30 | ktext_start = .; |
18 | *(K_TEXT_START) |
31 | *(K_TEXT_START); |
19 | *(.text); |
32 | *(.text); |
20 | ktext_end = .; |
33 | ktext_end = .; |
21 | 34 | ||
22 | kdata_start = .; |
35 | kdata_start = .; |
23 | *(K_DATA_START) |
36 | *(K_DATA_START); |
24 | *(.rodata); |
37 | *(.rodata); |
25 | *(.rodata.*); |
38 | *(.rodata.*); |
26 | *(.data); /* initialized data */ |
39 | *(.data); /* initialized data */ |
27 | *(.sdata); |
40 | *(.sdata); |
28 | *(.sdata2); |
41 | *(.sdata2); |
29 | *(.sbss); |
42 | *(.sbss); |
30 | hardcoded_ktext_size = .; |
43 | hardcoded_ktext_size = .; |
31 | LONG(ktext_end - ktext_start); |
44 | LONG(ktext_end - ktext_start); |
32 | hardcoded_kdata_size = .; |
45 | hardcoded_kdata_size = .; |
33 | LONG(kdata_end - kdata_start); |
46 | LONG(kdata_end - kdata_start); |
34 | hardcoded_load_address = .; |
47 | hardcoded_load_address = .; |
35 | LONG(PA2KA(BOOT_OFFSET)); |
48 | LONG(PA2KA(BOOT_OFFSET)); |
36 | *(.bss); /* uninitialized static variables */ |
49 | *(.bss); /* uninitialized static variables */ |
37 | *(COMMON); /* global variables */ |
50 | *(COMMON); /* global variables */ |
38 | 51 | ||
39 | symbol_table = .; |
52 | symbol_table = .; |
40 | *(symtab.*); /* Symbol table, must be LAST symbol!*/ |
53 | *(symtab.*); /* Symbol table, must be LAST symbol!*/ |
41 | 54 | ||
42 | kdata_end = .; |
55 | kdata_end = .; |
43 | } |
56 | } |
44 | } |
57 | } |
45 | 58 |