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Rev | Author | Line No. | Line |
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65 | decky | 1 | /** IA-32 linker script |
1 | jermar | 2 | * |
105 | jermar | 3 | * umapped section: |
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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1 | jermar | 9 | */ |
10 | |||
301 | 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 | |||
1 | jermar | 15 | OUTPUT_FORMAT(binary) |
16 | ENTRY(kernel_image_start) |
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17 | |||
18 | SECTIONS { |
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301 | palkovsky | 19 | .unmapped BOOTSTRAP_OFFSET: AT (BOOTSTRAP_OFFSET) { |
106 | jermar | 20 | unmapped_ktext_start = .; |
21 | *(K_TEXT_START); |
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110 | jermar | 22 | *(K_TEXT_START_2); |
106 | jermar | 23 | unmapped_ktext_end = .; |
267 | decky | 24 | |
106 | jermar | 25 | unmapped_kdata_start = .; |
26 | *(K_DATA_START); |
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337 | jermar | 27 | LONG(0xdeadbeaf); /* TODO: remove 0xdeadbeaf */ |
106 | jermar | 28 | unmapped_kdata_end = .; |
29 | } |
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267 | decky | 30 | |
301 | palkovsky | 31 | .mapped (PA2KA(BOOT_OFFSET+BOOTSTRAP_OFFSET)+SIZEOF(.unmapped)): AT (BOOTSTRAP_OFFSET+SIZEOF(.unmapped)) { |
106 | jermar | 32 | ktext_start = .; |
328 | jermar | 33 | *(BOOT_DATA); |
106 | jermar | 34 | *(.text); |
35 | ktext_end = .; |
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267 | decky | 36 | |
106 | jermar | 37 | kdata_start = .; |
334 | jermar | 38 | *(.data); /* initialized data */ |
39 | *(.rodata*); /* string literals */ |
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40 | *(COMMON); /* global variables */ |
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216 | palkovsky | 41 | hardcoded_load_address = .; |
301 | palkovsky | 42 | LONG(PA2KA(BOOT_OFFSET+BOOTSTRAP_OFFSET)); |
216 | palkovsky | 43 | hardcoded_ktext_size = .; |
328 | jermar | 44 | LONG((ktext_end - ktext_start) + (unmapped_ktext_end - unmapped_ktext_start)); |
216 | palkovsky | 45 | hardcoded_kdata_size = .; |
328 | jermar | 46 | LONG((kdata_end - kdata_start) + (unmapped_kdata_end - unmapped_kdata_start)); |
267 | decky | 47 | hardcoded_unmapped_ktext_size = .; |
48 | LONG(unmapped_ktext_end - unmapped_ktext_start); |
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49 | hardcoded_unmapped_kdata_size = .; |
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50 | LONG(unmapped_kdata_end - unmapped_kdata_start); |
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334 | jermar | 51 | *(.bss); /* uninitialized static variables */ |
52 | *(.note.GNU-stack); |
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53 | *(.comment); |
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268 | palkovsky | 54 | |
55 | symbol_table = .; |
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334 | jermar | 56 | *(symtab.*); /* Symbol table, must be LAST symbol! */ |
268 | palkovsky | 57 | |
106 | jermar | 58 | kdata_end = .; |
59 | } |
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235 | decky | 60 | |
61 | _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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285 | decky | 62 | _hardcoded_unmapped_size = (unmapped_ktext_end - unmapped_ktext_start) + (unmapped_kdata_end - unmapped_kdata_start); |
267 | decky | 63 | |
301 | palkovsky | 64 | e820table_boot = KA2PA(e820table) - BOOT_OFFSET; |
65 | e820counter_boot = KA2PA(e820counter) - BOOT_OFFSET; |
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66 | real_bootstrap_gdtr = PA2KA(real_bootstrap_gdtr_boot); |
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1 | jermar | 67 | } |