source: mainline/kernel/arch/amd64/_link.ld.in@ 4bb31f7

lfn serial ticket/834-toolchain-update topic/msim-upgrade topic/simplify-dev-export
Last change on this file since 4bb31f7 was b3f8fb7, checked in by Martin Decky <martin@…>, 19 years ago

huge type system cleanup
remove cyclical type dependencies across multiple header files
many minor coding style fixes
  • Property mode set to 100644
File size: 1.6 KB
Line 
1/** AMD64 linker script
2 *
3 * umapped section:
4 * kernel text
5 * kernel data
6 * mapped section:
7 * kernel text
8 * kernel data
9 */
10
11#include <arch/boot/boot.h>
12#include <arch/mm/page.h>
13
14SECTIONS {
15 .unmapped BOOT_OFFSET: AT (0) {
16 unmapped_ktext_start = .;
17 *(K_TEXT_START);
18 unmapped_ktext_end = .;
19
20 unmapped_kdata_start = .;
21 *(K_DATA_START);
22 unmapped_kdata_end = .;
23 }
24
25 .mapped (PA2KA(BOOT_OFFSET)+SIZEOF(.unmapped)) : AT (SIZEOF(.unmapped)) {
26 ktext_start = .;
27 *(.text);
28 ktext_end = .;
29
30 kdata_start = .;
31 *(.data); /* initialized data */
32 *(.rodata*); /* string literals */
33 hardcoded_load_address = .;
34 QUAD(PA2KA(BOOT_OFFSET));
35 hardcoded_ktext_size = .;
36 QUAD(ktext_end - ktext_start + (unmapped_ktext_end - unmapped_ktext_start));
37 hardcoded_kdata_size = .;
38 QUAD(kdata_end - kdata_start + (unmapped_kdata_end - unmapped_kdata_start));
39 hardcoded_unmapped_ktext_size = .;
40 QUAD(unmapped_ktext_end - unmapped_ktext_start);
41 hardcoded_unmapped_kdata_size = .;
42 QUAD(unmapped_kdata_end - unmapped_kdata_start);
43 *(COMMON); /* global variables */
44
45 *(.eh_frame);
46
47 symbol_table = .;
48 *(symtab.*); /* Symbol table, must be LAST symbol!*/
49
50 *(.bss); /* uninitialized static variables */
51
52 kdata_end = .;
53 }
54
55#ifdef CONFIG_SMP
56 _hardcoded_unmapped_size = (unmapped_ktext_end - unmapped_ktext_start) + (unmapped_kdata_end - unmapped_kdata_start);
57 ap_boot = unmapped_ap_boot - BOOT_OFFSET + AP_BOOT_OFFSET;
58 ap_gdtr = unmapped_ap_gdtr - BOOT_OFFSET + AP_BOOT_OFFSET;
59 protected_ap_gdtr = PA2KA(ap_gdtr);
60
61#endif /* CONFIG_SMP */
62
63}
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