Subversion Repositories HelenOS-historic

Rev

Rev 301 | Rev 334 | Go to most recent revision | Details | Compare with Previous | Last modification | View Log | RSS feed

Rev Author Line No. Line
65 decky 1
/** IA-32 linker script
1 jermar 2
 *  
105 jermar 3
 * umapped section:
4
 * 	kernel text
5
 * 	kernel data
6
 * mapped section:
7
 *	kernel text
8
 *	kernel data 
1 jermar 9
 */
10
 
301 palkovsky 11
#define __ASM__
12
#include <arch/boot/boot.h>
13
#include <arch/mm/page.h>
14
 
1 jermar 15
OUTPUT_FORMAT(binary)
16
ENTRY(kernel_image_start)
17
 
18
SECTIONS {
301 palkovsky 19
	.unmapped BOOTSTRAP_OFFSET: AT (BOOTSTRAP_OFFSET) {
106 jermar 20
		unmapped_ktext_start = .;
21
		*(K_TEXT_START);
110 jermar 22
		*(K_TEXT_START_2);
106 jermar 23
		unmapped_ktext_end = .;
267 decky 24
 
106 jermar 25
		unmapped_kdata_start = .;
26
		*(K_DATA_START);
27
		unmapped_kdata_end = .;
28
	}
267 decky 29
 
301 palkovsky 30
	.mapped (PA2KA(BOOT_OFFSET+BOOTSTRAP_OFFSET)+SIZEOF(.unmapped)): AT (BOOTSTRAP_OFFSET+SIZEOF(.unmapped)) { 
106 jermar 31
		ktext_start = .;
328 jermar 32
		*(BOOT_DATA);
106 jermar 33
		*(.text);
34
		ktext_end = .;
267 decky 35
 
106 jermar 36
		kdata_start = .;
37
		*(.data);		/* initialized data */
38
		*(.rodata*);		/* string literals */
39
		*(COMMON);		/* global variables */
216 palkovsky 40
		hardcoded_load_address = .;
301 palkovsky 41
		LONG(PA2KA(BOOT_OFFSET+BOOTSTRAP_OFFSET));
216 palkovsky 42
		hardcoded_ktext_size = .;
328 jermar 43
		LONG((ktext_end - ktext_start) + (unmapped_ktext_end - unmapped_ktext_start));
216 palkovsky 44
		hardcoded_kdata_size = .;
328 jermar 45
		LONG((kdata_end - kdata_start) + (unmapped_kdata_end - unmapped_kdata_start));
267 decky 46
		hardcoded_unmapped_ktext_size = .;
47
		LONG(unmapped_ktext_end - unmapped_ktext_start);
48
		hardcoded_unmapped_kdata_size = .;
49
		LONG(unmapped_kdata_end - unmapped_kdata_start);
106 jermar 50
		*(.bss);		/* uninitialized static variables */
51
		*(K_DATA_END);
268 palkovsky 52
 
53
		symbol_table = .;
54
		*(symtab.*);            /* Symbol table, must be LAST symbol!*/
55
 
106 jermar 56
		kdata_end = .;
57
	}
235 decky 58
 
59
	_hardcoded_kernel_size = (ktext_end - ktext_start) + (unmapped_ktext_end - unmapped_ktext_start) + (kdata_end - kdata_start) + (unmapped_kdata_end - unmapped_kdata_start);
285 decky 60
	_hardcoded_unmapped_size = (unmapped_ktext_end - unmapped_ktext_start) + (unmapped_kdata_end - unmapped_kdata_start);
267 decky 61
 
301 palkovsky 62
	e820table_boot = KA2PA(e820table) - BOOT_OFFSET;
63
	e820counter_boot = KA2PA(e820counter) - BOOT_OFFSET;
64
	real_bootstrap_gdtr = PA2KA(real_bootstrap_gdtr_boot);
1 jermar 65
}