| 1 | /** AMD64 linker script
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| 2 | *
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| 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 |
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| 11 | #include <arch/boot/boot.h>
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| 12 | #include <arch/mm/page.h>
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| 13 |
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| 14 | SECTIONS {
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| 15 | .unmapped BOOT_OFFSET: AT (0) {
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| 16 | unmapped_ktext_start = .;
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| 17 | *(K_TEXT_START);
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| 18 | unmapped_ktext_end = .;
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| 19 |
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| 20 | unmapped_kdata_start = .;
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| 21 | *(K_DATA_START);
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| 22 | *(K_INI_PTLS);
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| 23 | unmapped_kdata_end = .;
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| 24 | }
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| 25 |
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| 26 | .mapped (PA2KA(BOOT_OFFSET)+SIZEOF(.unmapped)) : AT (SIZEOF(.unmapped)) {
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| 27 | ktext_start = .;
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| 28 | *(.text);
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| 29 | ktext_end = .;
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| 30 |
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| 31 | kdata_start = .;
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| 32 | *(.data); /* initialized data */
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| 33 | *(.rodata*); /* string literals */
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| 34 | hardcoded_load_address = .;
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| 35 | QUAD(PA2KA(BOOT_OFFSET));
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| 36 | hardcoded_ktext_size = .;
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| 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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| 40 | hardcoded_unmapped_ktext_size = .;
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| 41 | QUAD(unmapped_ktext_end - unmapped_ktext_start);
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| 42 | hardcoded_unmapped_kdata_size = .;
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| 43 | QUAD(unmapped_kdata_end - unmapped_kdata_start);
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| 44 | *(COMMON); /* global variables */
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| 45 |
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| 46 | . = ALIGN(8);
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| 47 | symbol_table = .;
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| 48 | *(symtab.*); /* Symbol table, must be LAST symbol!*/
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| 49 |
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| 50 | *(.bss); /* uninitialized static variables */
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| 51 |
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| 52 | kdata_end = .;
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| 53 | }
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| 54 |
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| 55 | #ifdef CONFIG_LINE_DEBUG
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| 56 | .comment 0 : { *(.comment); }
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| 57 | .debug_abbrev 0 : { *(.debug_abbrev); }
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| 58 | .debug_aranges 0 : { *(.debug_aranges); }
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| 59 | .debug_info 0 : { *(.debug_info); }
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| 60 | .debug_line 0 : { *(.debug_line); }
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| 61 | .debug_loc 0 : { *(.debug_loc); }
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| 62 | .debug_pubnames 0 : { *(.debug_pubnames); }
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| 63 | .debug_pubtypes 0 : { *(.debug_pubtypes); }
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| 64 | .debug_ranges 0 : { *(.debug_ranges); }
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| 65 | .debug_str 0 : { *(.debug_str); }
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| 66 | #endif
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| 67 |
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| 68 | /DISCARD/ : {
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| 69 | *(*);
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| 70 | }
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| 71 |
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| 72 | #ifdef CONFIG_SMP
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| 73 | _hardcoded_unmapped_size = (unmapped_ktext_end - unmapped_ktext_start) + (unmapped_kdata_end - unmapped_kdata_start);
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| 74 | ap_boot = unmapped_ap_boot - BOOT_OFFSET + AP_BOOT_OFFSET;
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| 75 | ap_gdtr = unmapped_ap_gdtr - BOOT_OFFSET + AP_BOOT_OFFSET;
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| 76 | protected_ap_gdtr = PA2KA(ap_gdtr);
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| 77 | #endif /* CONFIG_SMP */
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| 78 |
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| 79 | }
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