Subversion Repositories HelenOS-historic

Rev

Rev 300 | Rev 328 | Go to most recent revision | Only display areas with differences | Ignore whitespace | Details | Blame | Last modification | View Log | RSS feed

Rev 300 Rev 301
1 
/** IA-32 linker script
 1 
/** IA-32 linker script
2 
 *
2 
 *
3 
 * umapped section:
 3 
 * umapped section:
4 
 * 	kernel text
 4 
 * 	kernel text
5 
 * 	kernel data
 5 
 * 	kernel data
6 
 * mapped section:
 6 
 * mapped section:
7 
 *	kernel text
 7 
 *	kernel text
8 
 *	kernel data
8 
 *	kernel data
9 
 */
 9 
 */
10 
 
 10 
 
- 
 
 11 
#define __ASM__
- 
 
 12 
#include <arch/boot/boot.h>
- 
 
 13 
#include <arch/mm/page.h>
- 
 
 14 
 
11 
OUTPUT_FORMAT(binary)
 15 
OUTPUT_FORMAT(binary)
12 
ENTRY(kernel_image_start)
 16 
ENTRY(kernel_image_start)
13 
 
 17 
 
14 
SECTIONS {
 18 
SECTIONS {
15 
	.unmapped 0x8000: AT (0x8000) {
 19 
	.unmapped BOOTSTRAP_OFFSET: AT (BOOTSTRAP_OFFSET) {
16 
		unmapped_ktext_start = .;
 20 
		unmapped_ktext_start = .;
17 
		*(K_TEXT_START);
 21 
		*(K_TEXT_START);
18 
		*(K_TEXT_START_2);
 22 
		*(K_TEXT_START_2);
19 
		unmapped_ktext_end = .;
 23 
		unmapped_ktext_end = .;
20
24
21 
		unmapped_kdata_start = .;
 25 
		unmapped_kdata_start = .;
22 
		*(K_DATA_START);
 26 
		*(K_DATA_START);
23 
		unmapped_kdata_end = .;
 27 
		unmapped_kdata_end = .;
24 
	}
 28 
	}
25
29
26 
	.mapped (0x80100000+0x8000+SIZEOF(.unmapped)): AT (0x8000+SIZEOF(.unmapped)) {
30 
	.mapped (PA2KA(BOOT_OFFSET+BOOTSTRAP_OFFSET)+SIZEOF(.unmapped)): AT (BOOTSTRAP_OFFSET+SIZEOF(.unmapped)) {
27 
		ktext_start = .;
 31 
		ktext_start = .;
28 
		*(BOOT_DATA)
 32 
		*(BOOT_DATA)
29 
		*(.text);
 33 
		*(.text);
30 
		ktext_end = .;
 34 
		ktext_end = .;
31
35
32 
		kdata_start = .;
 36 
		kdata_start = .;
33 
		*(.data);		/* initialized data */
 37 
		*(.data);		/* initialized data */
34 
		*(.rodata*);		/* string literals */
 38 
		*(.rodata*);		/* string literals */
35 
		*(COMMON);		/* global variables */
 39 
		*(COMMON);		/* global variables */
36 
		hardcoded_load_address = .;
 40 
		hardcoded_load_address = .;
37 
		LONG(0x80108000);
 41 
		LONG(PA2KA(BOOT_OFFSET+BOOTSTRAP_OFFSET));
38 
		hardcoded_ktext_size = .;
 42 
		hardcoded_ktext_size = .;
39 
		LONG(ktext_end - ktext_start + (unmapped_ktext_end - unmapped_ktext_start));
 43 
		LONG(ktext_end - ktext_start + (unmapped_ktext_end - unmapped_ktext_start));
40 
		hardcoded_kdata_size = .;
 44 
		hardcoded_kdata_size = .;
41 
		LONG(kdata_end - kdata_start + (unmapped_kdata_end - unmapped_kdata_start));
 45 
		LONG(kdata_end - kdata_start + (unmapped_kdata_end - unmapped_kdata_start));
42 
		hardcoded_unmapped_ktext_size = .;
 46 
		hardcoded_unmapped_ktext_size = .;
43 
		LONG(unmapped_ktext_end - unmapped_ktext_start);
 47 
		LONG(unmapped_ktext_end - unmapped_ktext_start);
44 
		hardcoded_unmapped_kdata_size = .;
 48 
		hardcoded_unmapped_kdata_size = .;
45 
		LONG(unmapped_kdata_end - unmapped_kdata_start);
 49 
		LONG(unmapped_kdata_end - unmapped_kdata_start);
46 
		*(.bss);		/* uninitialized static variables */
 50 
		*(.bss);		/* uninitialized static variables */
47 
		*(K_DATA_END);
 51 
		*(K_DATA_END);
48 
 
 52 
 
49 
		symbol_table = .;
 53 
		symbol_table = .;
50 
		*(symtab.*);            /* Symbol table, must be LAST symbol!*/
 54 
		*(symtab.*);            /* Symbol table, must be LAST symbol!*/
51 
 
 55 
 
52 
		kdata_end = .;
 56 
		kdata_end = .;
53 
	}
 57 
	}
54
58
55 
	_hardcoded_kernel_size = (ktext_end - ktext_start) + (unmapped_ktext_end - unmapped_ktext_start) + (kdata_end - kdata_start) + (unmapped_kdata_end - unmapped_kdata_start);
 59 
	_hardcoded_kernel_size = (ktext_end - ktext_start) + (unmapped_ktext_end - unmapped_ktext_start) + (kdata_end - kdata_start) + (unmapped_kdata_end - unmapped_kdata_start);
56 
	_hardcoded_unmapped_size = (unmapped_ktext_end - unmapped_ktext_start) + (unmapped_kdata_end - unmapped_kdata_start);
 60 
	_hardcoded_unmapped_size = (unmapped_ktext_end - unmapped_ktext_start) + (unmapped_kdata_end - unmapped_kdata_start);
57
61
58 
	_map_address = 0x80100000;
 - 
 
59 
	e820table_boot = e820table - _map_address;
 62 
	e820table_boot = KA2PA(e820table) - BOOT_OFFSET;
60 
	e820counter_boot = e820counter - _map_address;
 63 
	e820counter_boot = KA2PA(e820counter) - BOOT_OFFSET;
61 
	real_bootstrap_gdtr = real_bootstrap_gdtr_boot + 0x80000000;
 64 
	real_bootstrap_gdtr = PA2KA(real_bootstrap_gdtr_boot);
62 
}
 65 
}
63 
 
 66