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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 | #include <arch/boot/boot.h> |
12 | #include <arch/mm/page.h> |
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13 | |||
164 | palkovsky | 14 | SECTIONS { |
694 | decky | 15 | .unmapped BOOT_OFFSET: AT (0) { |
164 | palkovsky | 16 | unmapped_ktext_start = .; |
17 | *(K_TEXT_START); |
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18 | unmapped_ktext_end = .; |
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275 | palkovsky | 19 | |
164 | palkovsky | 20 | unmapped_kdata_start = .; |
21 | *(K_DATA_START); |
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2703 | jermar | 22 | *(K_INI_PTLS); |
164 | palkovsky | 23 | unmapped_kdata_end = .; |
24 | } |
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25 | |||
694 | decky | 26 | .mapped (PA2KA(BOOT_OFFSET)+SIZEOF(.unmapped)) : AT (SIZEOF(.unmapped)) { |
164 | palkovsky | 27 | ktext_start = .; |
28 | *(.text); |
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29 | ktext_end = .; |
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30 | |||
31 | kdata_start = .; |
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32 | *(.data); /* initialized data */ |
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33 | *(.rodata*); /* string literals */ |
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216 | palkovsky | 34 | hardcoded_load_address = .; |
694 | decky | 35 | QUAD(PA2KA(BOOT_OFFSET)); |
216 | palkovsky | 36 | hardcoded_ktext_size = .; |
37 | QUAD(ktext_end - ktext_start + (unmapped_ktext_end - unmapped_ktext_start)); |
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38 | hardcoded_kdata_size = .; |
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39 | QUAD(kdata_end - kdata_start + (unmapped_kdata_end - unmapped_kdata_start)); |
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275 | palkovsky | 40 | hardcoded_unmapped_ktext_size = .; |
820 | jermar | 41 | QUAD(unmapped_ktext_end - unmapped_ktext_start); |
275 | palkovsky | 42 | hardcoded_unmapped_kdata_size = .; |
820 | jermar | 43 | QUAD(unmapped_kdata_end - unmapped_kdata_start); |
268 | palkovsky | 44 | *(COMMON); /* global variables */ |
45 | |||
216 | palkovsky | 46 | *(.eh_frame); |
268 | palkovsky | 47 | |
48 | symbol_table = .; |
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49 | *(symtab.*); /* Symbol table, must be LAST symbol!*/ |
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50 | |||
602 | palkovsky | 51 | *(.bss); /* uninitialized static variables */ |
52 | |||
164 | palkovsky | 53 | kdata_end = .; |
54 | } |
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696 | decky | 55 | |
56 | #ifdef CONFIG_SMP |
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57 | _hardcoded_unmapped_size = (unmapped_ktext_end - unmapped_ktext_start) + (unmapped_kdata_end - unmapped_kdata_start); |
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58 | ap_boot = unmapped_ap_boot - BOOT_OFFSET + AP_BOOT_OFFSET; |
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59 | ap_gdtr = unmapped_ap_gdtr - BOOT_OFFSET + AP_BOOT_OFFSET; |
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60 | protected_ap_gdtr = PA2KA(ap_gdtr); |
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61 | |||
62 | #endif /* CONFIG_SMP */ |
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63 | |||
164 | palkovsky | 64 | } |