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| Rev | Author | Line No. | Line |
|---|---|---|---|
| 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 | SECTIONS { |
| 694 | decky | 16 | .unmapped BOOT_OFFSET: AT (0) { |
| 164 | palkovsky | 17 | unmapped_ktext_start = .; |
| 18 | *(K_TEXT_START); |
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| 19 | unmapped_ktext_end = .; |
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| 275 | palkovsky | 20 | |
| 164 | palkovsky | 21 | unmapped_kdata_start = .; |
| 22 | *(K_DATA_START); |
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| 23 | unmapped_kdata_end = .; |
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| 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 = .; |
| 41 | LONG(unmapped_ktext_end - unmapped_ktext_start); |
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| 42 | hardcoded_unmapped_kdata_size = .; |
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| 43 | LONG(unmapped_kdata_end - unmapped_kdata_start); |
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| 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 | |||
| 58 | _hardcoded_unmapped_size = (unmapped_ktext_end - unmapped_ktext_start) + (unmapped_kdata_end - unmapped_kdata_start); |
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| 59 | ap_boot = unmapped_ap_boot - BOOT_OFFSET + AP_BOOT_OFFSET; |
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| 60 | ap_gdtr = unmapped_ap_gdtr - BOOT_OFFSET + AP_BOOT_OFFSET; |
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| 61 | protected_ap_gdtr = PA2KA(ap_gdtr); |
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| 62 | |||
| 63 | #endif /* CONFIG_SMP */ |
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| 64 | |||
| 164 | palkovsky | 65 | } |