WebSVN – HelenOS – Diff – /SPARTAN/trunk/arch/ia32/_link.ld.in


/** IA-32 linker script
 *  
 * umapped section:
 * 	kernel text
 * 	kernel data
 * mapped section:
 *	kernel text
 *	kernel data 
 */
 
#define __ASM__
#include <arch/boot/boot.h>
#include <arch/mm/page.h>
 
OUTPUT_FORMAT(binary)
ENTRY(kernel_image_start)
 
SECTIONS {
	.unmapped BOOTSTRAP_OFFSET: AT (BOOTSTRAP_OFFSET) {
		unmapped_ktext_start = .;
		*(K_TEXT_START);
		*(K_TEXT_START_2);
		unmapped_ktext_end = .;
		
		unmapped_kdata_start = .;
		*(K_DATA_START);
		unmapped_kdata_end = .;
	}
	
	.mapped (PA2KA(BOOT_OFFSET+BOOTSTRAP_OFFSET)+SIZEOF(.unmapped)): AT (BOOTSTRAP_OFFSET+SIZEOF(.unmapped)) { 
		ktext_start = .;
		*(BOOT_DATA);
		*(.text);
		ktext_end = .;
		
		kdata_start = .;
		*(.data);		/* initialized data */
		*(.rodata*);		/* string literals */
		*(COMMON);		/* global variables */
		hardcoded_load_address = .;
		LONG(PA2KA(BOOT_OFFSET+BOOTSTRAP_OFFSET));
		hardcoded_ktext_size = .;
		LONG((ktext_end - ktext_start) + (unmapped_ktext_end - unmapped_ktext_start));
		hardcoded_kdata_size = .;
		LONG((kdata_end - kdata_start) + (unmapped_kdata_end - unmapped_kdata_start));
		hardcoded_unmapped_ktext_size = .;
		LONG(unmapped_ktext_end - unmapped_ktext_start);
		hardcoded_unmapped_kdata_size = .;
		LONG(unmapped_kdata_end - unmapped_kdata_start);
		*(.bss);		/* uninitialized static variables */
		*(K_DATA_END);
 
		symbol_table = .;
		*(symtab.*);            /* Symbol table, must be LAST symbol!*/
 
		kdata_end = .;
	}
	
	_hardcoded_kernel_size = (ktext_end - ktext_start) + (unmapped_ktext_end - unmapped_ktext_start) + (kdata_end - kdata_start) + (unmapped_kdata_end - unmapped_kdata_start);
	_hardcoded_unmapped_size = (unmapped_ktext_end - unmapped_ktext_start) + (unmapped_kdata_end - unmapped_kdata_start);
	
	e820table_boot = KA2PA(e820table) - BOOT_OFFSET;
	e820counter_boot = KA2PA(e820counter) - BOOT_OFFSET;
	real_bootstrap_gdtr = PA2KA(real_bootstrap_gdtr_boot);
}
 

Rev 301	Rev 328
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__	11	#define __ASM__
12	#include <arch/boot/boot.h>	12	#include <arch/boot/boot.h>
13	#include <arch/mm/page.h>	13	#include <arch/mm/page.h>
14		14
15	OUTPUT_FORMAT(binary)	15	OUTPUT_FORMAT(binary)
16	ENTRY(kernel_image_start)	16	ENTRY(kernel_image_start)
17		17
18	SECTIONS {	18	SECTIONS {
19	.unmapped BOOTSTRAP_OFFSET: AT (BOOTSTRAP_OFFSET) {	19	.unmapped BOOTSTRAP_OFFSET: AT (BOOTSTRAP_OFFSET) {
20	unmapped_ktext_start = .;	20	unmapped_ktext_start = .;
21	*(K_TEXT_START);	21	*(K_TEXT_START);
22	*(K_TEXT_START_2);	22	*(K_TEXT_START_2);
23	unmapped_ktext_end = .;	23	unmapped_ktext_end = .;
24		24
25	unmapped_kdata_start = .;	25	unmapped_kdata_start = .;
26	*(K_DATA_START);	26	*(K_DATA_START);
27	unmapped_kdata_end = .;	27	unmapped_kdata_end = .;
28	}	28	}
29		29
30	.mapped (PA2KA(BOOT_OFFSET+BOOTSTRAP_OFFSET)+SIZEOF(.unmapped)): AT (BOOTSTRAP_OFFSET+SIZEOF(.unmapped)) {	30	.mapped (PA2KA(BOOT_OFFSET+BOOTSTRAP_OFFSET)+SIZEOF(.unmapped)): AT (BOOTSTRAP_OFFSET+SIZEOF(.unmapped)) {
31	ktext_start = .;	31	ktext_start = .;
32	*(BOOT_DATA)	32	*(BOOT_DATA);
33	*(.text);	33	*(.text);
34	ktext_end = .;	34	ktext_end = .;
35		35
36	kdata_start = .;	36	kdata_start = .;
37	(.data); / initialized data */	37	(.data); / initialized data */
38	(.rodata); /* string literals */	38	(.rodata); /* string literals */
39	(COMMON); / global variables */	39	(COMMON); / global variables */
40	hardcoded_load_address = .;	40	hardcoded_load_address = .;
41	LONG(PA2KA(BOOT_OFFSET+BOOTSTRAP_OFFSET));	41	LONG(PA2KA(BOOT_OFFSET+BOOTSTRAP_OFFSET));
42	hardcoded_ktext_size = .;	42	hardcoded_ktext_size = .;
43	LONG(ktext_end - ktext_start + (unmapped_ktext_end - unmapped_ktext_start));	43	LONG((ktext_end - ktext_start) + (unmapped_ktext_end - unmapped_ktext_start));
44	hardcoded_kdata_size = .;	44	hardcoded_kdata_size = .;
45	LONG(kdata_end - kdata_start + (unmapped_kdata_end - unmapped_kdata_start));	45	LONG((kdata_end - kdata_start) + (unmapped_kdata_end - unmapped_kdata_start));
46	hardcoded_unmapped_ktext_size = .;	46	hardcoded_unmapped_ktext_size = .;
47	LONG(unmapped_ktext_end - unmapped_ktext_start);	47	LONG(unmapped_ktext_end - unmapped_ktext_start);
48	hardcoded_unmapped_kdata_size = .;	48	hardcoded_unmapped_kdata_size = .;
49	LONG(unmapped_kdata_end - unmapped_kdata_start);	49	LONG(unmapped_kdata_end - unmapped_kdata_start);
50	(.bss); / uninitialized static variables */	50	(.bss); / uninitialized static variables */
51	*(K_DATA_END);	51	*(K_DATA_END);
52		52
53	symbol_table = .;	53	symbol_table = .;
54	(symtab.); /* Symbol table, must be LAST symbol!*/	54	(symtab.); /* Symbol table, must be LAST symbol!*/
55		55
56	kdata_end = .;	56	kdata_end = .;
57	}	57	}
58		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);	59	_hardcoded_kernel_size = (ktext_end - ktext_start) + (unmapped_ktext_end - unmapped_ktext_start) + (kdata_end - kdata_start) + (unmapped_kdata_end - unmapped_kdata_start);
60	_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);
61		61
62	e820table_boot = KA2PA(e820table) - BOOT_OFFSET;	62	e820table_boot = KA2PA(e820table) - BOOT_OFFSET;
63	e820counter_boot = KA2PA(e820counter) - BOOT_OFFSET;	63	e820counter_boot = KA2PA(e820counter) - BOOT_OFFSET;
64	real_bootstrap_gdtr = PA2KA(real_bootstrap_gdtr_boot);	64	real_bootstrap_gdtr = PA2KA(real_bootstrap_gdtr_boot);
65	}	65	}
66		66

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(root)/SPARTAN/trunk/arch/ia32/_link.ld.in – Rev 301 → 328