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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 | #define __ASM__ |
11 | #define __ASM__ |
| 12 | #include <arch/boot/boot.h> |
12 | #include <arch/boot/boot.h> |
| 13 | #include <arch/mm/page.h> |
13 | #include <arch/mm/page.h> |
| 14 | 14 | ||
| 15 | SECTIONS { |
15 | SECTIONS { |
| 16 | .unmapped BOOT_OFFSET: AT (0) { |
16 | .unmapped BOOT_OFFSET: AT (0) { |
| 17 | unmapped_ktext_start = .; |
17 | unmapped_ktext_start = .; |
| 18 | *(K_TEXT_START); |
18 | *(K_TEXT_START); |
| 19 | unmapped_ktext_end = .; |
19 | unmapped_ktext_end = .; |
| 20 | 20 | ||
| 21 | unmapped_kdata_start = .; |
21 | unmapped_kdata_start = .; |
| 22 | *(K_DATA_START); |
22 | *(K_DATA_START); |
| 23 | unmapped_kdata_end = .; |
23 | unmapped_kdata_end = .; |
| 24 | } |
24 | } |
| 25 | 25 | ||
| 26 | .mapped (PA2KA(BOOT_OFFSET)+SIZEOF(.unmapped)) : AT (SIZEOF(.unmapped)) { |
26 | .mapped (PA2KA(BOOT_OFFSET)+SIZEOF(.unmapped)) : AT (SIZEOF(.unmapped)) { |
| 27 | ktext_start = .; |
27 | ktext_start = .; |
| 28 | *(.text); |
28 | *(.text); |
| 29 | ktext_end = .; |
29 | ktext_end = .; |
| 30 | 30 | ||
| 31 | kdata_start = .; |
31 | kdata_start = .; |
| 32 | *(.data); /* initialized data */ |
32 | *(.data); /* initialized data */ |
| 33 | *(.rodata*); /* string literals */ |
33 | *(.rodata*); /* string literals */ |
| 34 | hardcoded_load_address = .; |
34 | hardcoded_load_address = .; |
| 35 | QUAD(PA2KA(BOOT_OFFSET)); |
35 | QUAD(PA2KA(BOOT_OFFSET)); |
| 36 | hardcoded_ktext_size = .; |
36 | hardcoded_ktext_size = .; |
| 37 | QUAD(ktext_end - ktext_start + (unmapped_ktext_end - unmapped_ktext_start)); |
37 | QUAD(ktext_end - ktext_start + (unmapped_ktext_end - unmapped_ktext_start)); |
| 38 | hardcoded_kdata_size = .; |
38 | hardcoded_kdata_size = .; |
| 39 | QUAD(kdata_end - kdata_start + (unmapped_kdata_end - unmapped_kdata_start)); |
39 | QUAD(kdata_end - kdata_start + (unmapped_kdata_end - unmapped_kdata_start)); |
| 40 | hardcoded_unmapped_ktext_size = .; |
40 | hardcoded_unmapped_ktext_size = .; |
| 41 | LONG(unmapped_ktext_end - unmapped_ktext_start); |
41 | LONG(unmapped_ktext_end - unmapped_ktext_start); |
| 42 | hardcoded_unmapped_kdata_size = .; |
42 | hardcoded_unmapped_kdata_size = .; |
| 43 | LONG(unmapped_kdata_end - unmapped_kdata_start); |
43 | LONG(unmapped_kdata_end - unmapped_kdata_start); |
| 44 | *(COMMON); /* global variables */ |
44 | *(COMMON); /* global variables */ |
| 45 | 45 | ||
| 46 | *(.eh_frame); |
46 | *(.eh_frame); |
| 47 | 47 | ||
| 48 | symbol_table = .; |
48 | symbol_table = .; |
| 49 | *(symtab.*); /* Symbol table, must be LAST symbol!*/ |
49 | *(symtab.*); /* Symbol table, must be LAST symbol!*/ |
| 50 | 50 | ||
| 51 | *(.bss); /* uninitialized static variables */ |
51 | *(.bss); /* uninitialized static variables */ |
| 52 | 52 | ||
| 53 | kdata_end = .; |
53 | kdata_end = .; |
| 54 | } |
54 | } |
| - | 55 | ||
| - | 56 | #ifdef CONFIG_SMP |
|
| - | 57 | ||
| - | 58 | _hardcoded_unmapped_size = (unmapped_ktext_end - unmapped_ktext_start) + (unmapped_kdata_end - unmapped_kdata_start); |
|
| - | 59 | ap_boot = unmapped_ap_boot - BOOT_OFFSET + AP_BOOT_OFFSET; |
|
| - | 60 | ap_gdtr = unmapped_ap_gdtr - BOOT_OFFSET + AP_BOOT_OFFSET; |
|
| - | 61 | protected_ap_gdtr = PA2KA(ap_gdtr); |
|
| - | 62 | ||
| - | 63 | #endif /* CONFIG_SMP */ |
|
| - | 64 | ||
| 55 | } |
65 | } |
| 56 | 66 | ||