lfn
serial
ticket/834-toolchain-update
topic/msim-upgrade
topic/simplify-dev-export
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Last change
on this file since bc1089a was 32f6e1bd, checked in by Ondrej Palkovsky <ondrap@…>, 20 years ago |
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Resolved mapping of e820 boot area, so that it can be accessed as
e820table from 32-bit mode and e820table_boot from real mode.
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-
Property mode
set to
100644
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File size:
1.2 KB
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| 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 | OUTPUT_FORMAT(binary)
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| 12 | ENTRY(kernel_image_start)
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| 13 |
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| 14 | SECTIONS {
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| 15 | .unmapped 0x8000: AT (0x8000) {
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| 16 | unmapped_ktext_start = .;
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| 17 | *(K_TEXT_START);
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| 18 | *(K_TEXT_START_2);
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| 19 | unmapped_ktext_end = .;
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| 20 | unmapped_kdata_start = .;
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| 21 | *(K_DATA_START);
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| 22 | unmapped_kdata_end = .;
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| 23 | }
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| 24 |
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| 25 | .mapped (0xffffffff80000000+SIZEOF(.unmapped)+0x8000) : AT (0x8000+SIZEOF(.unmapped)) {
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| 26 | ktext_start = .;
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| 27 | *(BOOT_DATA);
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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 | *(COMMON); /* global variables */
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| 35 | hardcoded_load_address = .;
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| 36 | QUAD(0xffffffff80008000);
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| 37 | hardcoded_ktext_size = .;
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| 38 | QUAD(ktext_end - ktext_start + (unmapped_ktext_end - unmapped_ktext_start));
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| 39 | hardcoded_kdata_size = .;
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| 40 | QUAD(kdata_end - kdata_start + (unmapped_kdata_end - unmapped_kdata_start));
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| 41 | *(.eh_frame);
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| 42 | *(.bss); /* uninitialized static variables */
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| 43 | *(K_DATA_END);
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| 44 | kdata_end = .;
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| 45 | }
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| 46 | _map_address = 0xffffffff80000000;
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| 47 | e820table_boot = e820table - _map_address;
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| 48 | e820counter_boot = e820counter - _map_address;
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| 49 | }
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