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Rev | Author | Line No. | Line |
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178 | palkovsky | 1 | /** AMD64 linker script |
164 | palkovsky | 2 | * |
3 | * umapped section: |
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4 | * kernel text |
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5 | * kernel data |
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6 | * mapped section: |
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7 | * kernel text |
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8 | * kernel data |
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9 | */ |
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10 | |||
289 | palkovsky | 11 | #define __ASM__ |
12 | #include <arch/boot/boot.h> |
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13 | #include <arch/mm/page.h> |
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14 | |||
164 | palkovsky | 15 | OUTPUT_FORMAT(binary) |
16 | ENTRY(kernel_image_start) |
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17 | |||
18 | SECTIONS { |
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289 | palkovsky | 19 | .unmapped BOOTSTRAP_OFFSET: AT (BOOTSTRAP_OFFSET) { |
164 | palkovsky | 20 | unmapped_ktext_start = .; |
21 | *(K_TEXT_START); |
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22 | *(K_TEXT_START_2); |
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23 | unmapped_ktext_end = .; |
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275 | palkovsky | 24 | |
164 | palkovsky | 25 | unmapped_kdata_start = .; |
26 | *(K_DATA_START); |
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27 | unmapped_kdata_end = .; |
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28 | } |
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29 | |||
289 | palkovsky | 30 | .mapped (PA2KA(BOOT_OFFSET+BOOTSTRAP_OFFSET)+SIZEOF(.unmapped)) : AT (BOOTSTRAP_OFFSET+SIZEOF(.unmapped)) { |
164 | palkovsky | 31 | ktext_start = .; |
243 | palkovsky | 32 | *(BOOT_DATA); |
164 | palkovsky | 33 | *(.text); |
34 | ktext_end = .; |
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35 | |||
36 | kdata_start = .; |
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37 | *(.data); /* initialized data */ |
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38 | *(.rodata*); /* string literals */ |
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216 | palkovsky | 39 | hardcoded_load_address = .; |
282 | palkovsky | 40 | QUAD(ktext_start - SIZEOF(.unmapped)); |
216 | palkovsky | 41 | hardcoded_ktext_size = .; |
42 | QUAD(ktext_end - ktext_start + (unmapped_ktext_end - unmapped_ktext_start)); |
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43 | hardcoded_kdata_size = .; |
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44 | QUAD(kdata_end - kdata_start + (unmapped_kdata_end - unmapped_kdata_start)); |
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275 | palkovsky | 45 | hardcoded_unmapped_ktext_size = .; |
46 | LONG(unmapped_ktext_end - unmapped_ktext_start); |
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47 | hardcoded_unmapped_kdata_size = .; |
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48 | LONG(unmapped_kdata_end - unmapped_kdata_start); |
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268 | palkovsky | 49 | *(COMMON); /* global variables */ |
50 | |||
51 | |||
52 | |||
216 | palkovsky | 53 | *(.eh_frame); |
164 | palkovsky | 54 | *(.bss); /* uninitialized static variables */ |
55 | *(K_DATA_END); |
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268 | palkovsky | 56 | |
57 | symbol_table = .; |
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58 | *(symtab.*); /* Symbol table, must be LAST symbol!*/ |
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59 | |||
164 | palkovsky | 60 | kdata_end = .; |
61 | } |
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282 | palkovsky | 62 | |
63 | _hardcoded_kernel_size = (ktext_end - ktext_start) + (unmapped_ktext_end - unmapped_ktext_start) + (kdata_end - kdata_start) + (unmapped_kdata_end - unmapped_kdata_start); |
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277 | palkovsky | 64 | _boot_offset = 0x100000; |
65 | _ka2pa_offset = 0xffffffff80000000; |
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66 | _map_address = _ka2pa_offset + _boot_offset; |
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67 | |||
275 | palkovsky | 68 | |
289 | palkovsky | 69 | e820table_boot = KA2PA(e820table) - BOOT_OFFSET; |
70 | e820counter_boot = KA2PA(e820counter) - BOOT_OFFSET; |
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71 | real_bootstrap_gdtr = PA2KA(real_bootstrap_gdtr_boot); |
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164 | palkovsky | 72 | } |