Subversion Repositories HelenOS

Rev

Rev 680 | Rev 1787 | 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 
SECTIONS {
693 decky 16 
	.unmapped BOOT_OFFSET: AT (0) {
106 jermar 17 
		unmapped_ktext_start = .;
18 
		*(K_TEXT_START);
19 
		unmapped_ktext_end = .;
381 jermar 20 
 
106 jermar 21 
		unmapped_kdata_start = .;
22 
		*(K_DATA_START);
23 
		unmapped_kdata_end = .;
24 
	}
267 decky 25 
 
693 decky 26 
	.mapped (PA2KA(BOOT_OFFSET)+SIZEOF(.unmapped)): AT (SIZEOF(.unmapped)) {
106 jermar 27 
		ktext_start = .;
28 
		*(.text);
29 
		ktext_end = .;
267 decky 30 
 
106 jermar 31 
		kdata_start = .;
334 jermar 32 
		*(.data);			/* initialized data */
33 
		*(.rodata*);			/* string literals */
34 
		*(COMMON);			/* global variables */
216 palkovsky 35 
		hardcoded_load_address = .;
693 decky 36 
		LONG(PA2KA(BOOT_OFFSET));
216 palkovsky 37 
		hardcoded_ktext_size = .;
328 jermar 38 
		LONG((ktext_end - ktext_start) + (unmapped_ktext_end - unmapped_ktext_start));
216 palkovsky 39 
		hardcoded_kdata_size = .;
328 jermar 40 
		LONG((kdata_end - kdata_start) + (unmapped_kdata_end - unmapped_kdata_start));
267 decky 41 
		hardcoded_unmapped_ktext_size = .;
42 
		LONG(unmapped_ktext_end - unmapped_ktext_start);
43 
		hardcoded_unmapped_kdata_size = .;
44 
		LONG(unmapped_kdata_end - unmapped_kdata_start);
268 palkovsky 45 
		symbol_table = .;
334 jermar 46 
		*(symtab.*);            	/* Symbol table, must be LAST symbol! */
602 palkovsky 47 
		*(.bss);			/* uninitialized static variables */
106 jermar 48 
		kdata_end = .;
49 
	}
381 jermar 50 
 
51 
	/DISCARD/ : {
52 
		*(.note.GNU-stack);
53 
		*(.comment);
54 
	}
235 decky 55 
 
693 decky 56 
#ifdef CONFIG_SMP
57 
 
285 decky 58 
	_hardcoded_unmapped_size = (unmapped_ktext_end - unmapped_ktext_start) + (unmapped_kdata_end - unmapped_kdata_start);
693 decky 59 
	ap_boot = unmapped_ap_boot - BOOT_OFFSET + AP_BOOT_OFFSET;
60 
	ap_gdtr = unmapped_ap_gdtr - BOOT_OFFSET + AP_BOOT_OFFSET;
61 
	protected_ap_gdtr = PA2KA(ap_gdtr);
62 
 
63 
#endif /* CONFIG_SMP */
64 
 
1 jermar 65 
}