Subversion Repositories HelenOS

Rev

Rev 2089 | Go to most recent revision | Only display areas with differences | Ignore whitespace | Details | Blame | Last modification | View Log | RSS feed

Rev 2089 Rev 2703
1
/** AMD64 linker script
1
/** AMD64 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
#include <arch/boot/boot.h>
11
#include <arch/boot/boot.h>
12
#include <arch/mm/page.h>
12
#include <arch/mm/page.h>
13
 
13
 
14
SECTIONS {
14
SECTIONS {
15
	.unmapped BOOT_OFFSET: AT (0) {
15
	.unmapped BOOT_OFFSET: AT (0) {
16
		unmapped_ktext_start = .;
16
		unmapped_ktext_start = .;
17
		*(K_TEXT_START);
17
		*(K_TEXT_START);
18
		unmapped_ktext_end = .;
18
		unmapped_ktext_end = .;
19
 
19
 
20
		unmapped_kdata_start = .;
20
		unmapped_kdata_start = .;
21
		*(K_DATA_START);
21
		*(K_DATA_START);
-
 
22
		*(K_INI_PTLS);
22
		unmapped_kdata_end = .;
23
		unmapped_kdata_end = .;
23
	}
24
	}
24
 
25
 
25
	.mapped (PA2KA(BOOT_OFFSET)+SIZEOF(.unmapped)) : AT (SIZEOF(.unmapped)) {
26
	.mapped (PA2KA(BOOT_OFFSET)+SIZEOF(.unmapped)) : AT (SIZEOF(.unmapped)) {
26
		ktext_start = .;
27
		ktext_start = .;
27
		*(.text);
28
		*(.text);
28
		ktext_end = .;
29
		ktext_end = .;
29
 
30
 
30
		kdata_start = .;
31
		kdata_start = .;
31
		*(.data);		/* initialized data */
32
		*(.data);		/* initialized data */
32
		*(.rodata*);		/* string literals */
33
		*(.rodata*);		/* string literals */
33
		hardcoded_load_address = .;
34
		hardcoded_load_address = .;
34
		QUAD(PA2KA(BOOT_OFFSET));
35
		QUAD(PA2KA(BOOT_OFFSET));
35
		hardcoded_ktext_size = .;
36
		hardcoded_ktext_size = .;
36
		QUAD(ktext_end - ktext_start + (unmapped_ktext_end - unmapped_ktext_start));
37
		QUAD(ktext_end - ktext_start + (unmapped_ktext_end - unmapped_ktext_start));
37
		hardcoded_kdata_size = .;
38
		hardcoded_kdata_size = .;
38
		QUAD(kdata_end - kdata_start + (unmapped_kdata_end - unmapped_kdata_start));
39
		QUAD(kdata_end - kdata_start + (unmapped_kdata_end - unmapped_kdata_start));
39
		hardcoded_unmapped_ktext_size = .;
40
		hardcoded_unmapped_ktext_size = .;
40
		QUAD(unmapped_ktext_end - unmapped_ktext_start);
41
		QUAD(unmapped_ktext_end - unmapped_ktext_start);
41
		hardcoded_unmapped_kdata_size = .;
42
		hardcoded_unmapped_kdata_size = .;
42
		QUAD(unmapped_kdata_end - unmapped_kdata_start);
43
		QUAD(unmapped_kdata_end - unmapped_kdata_start);
43
		*(COMMON);		/* global variables */
44
		*(COMMON);		/* global variables */
44
 
45
 
45
		*(.eh_frame);
46
		*(.eh_frame);
46
 
47
 
47
		symbol_table = .;
48
		symbol_table = .;
48
		*(symtab.*);            /* Symbol table, must be LAST symbol!*/
49
		*(symtab.*);            /* Symbol table, must be LAST symbol!*/
49
 
50
 
50
		*(.bss);		/* uninitialized static variables */
51
		*(.bss);		/* uninitialized static variables */
51
 
52
 
52
		kdata_end = .;
53
		kdata_end = .;
53
	}
54
	}
54
	
55
	
55
#ifdef CONFIG_SMP	
56
#ifdef CONFIG_SMP	
56
	_hardcoded_unmapped_size = (unmapped_ktext_end - unmapped_ktext_start) + (unmapped_kdata_end - unmapped_kdata_start);
57
	_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_boot = unmapped_ap_boot - BOOT_OFFSET + AP_BOOT_OFFSET;
58
	ap_gdtr = unmapped_ap_gdtr - BOOT_OFFSET + AP_BOOT_OFFSET;
59
	ap_gdtr = unmapped_ap_gdtr - BOOT_OFFSET + AP_BOOT_OFFSET;
59
	protected_ap_gdtr = PA2KA(ap_gdtr);
60
	protected_ap_gdtr = PA2KA(ap_gdtr);
60
 
61
 
61
#endif /* CONFIG_SMP */
62
#endif /* CONFIG_SMP */
62
 
63
 
63
}
64
}
64
 
65