WebSVN – HelenOS – Diff – /SPARTAN/trunk/arch/amd64/_link.ld.in


/** AMD64 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 */
		hardcoded_load_address = .;
		QUAD(ktext_start - SIZEOF(.unmapped));
		hardcoded_ktext_size = .;
		QUAD(ktext_end - ktext_start + (unmapped_ktext_end - unmapped_ktext_start));
		hardcoded_kdata_size = .;
		QUAD(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);
		*(COMMON);		/* global variables */
 
 
 
		*(.eh_frame);
		*(.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);
	_boot_offset = 0x100000;
	_ka2pa_offset = 0xffffffff80000000;
	_map_address = _ka2pa_offset + _boot_offset;
 
 
	e820table_boot = KA2PA(e820table) - BOOT_OFFSET;
	e820counter_boot = KA2PA(e820counter) - BOOT_OFFSET;
	real_bootstrap_gdtr = PA2KA(real_bootstrap_gdtr_boot);
}
 

Rev 282	Rev 289
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	#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 (0xffffffff80100000+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	hardcoded_load_address = .;	39	hardcoded_load_address = .;
36	QUAD(ktext_start - SIZEOF(.unmapped));	40	QUAD(ktext_start - SIZEOF(.unmapped));
37	hardcoded_ktext_size = .;	41	hardcoded_ktext_size = .;
38	QUAD(ktext_end - ktext_start + (unmapped_ktext_end - unmapped_ktext_start));	42	QUAD(ktext_end - ktext_start + (unmapped_ktext_end - unmapped_ktext_start));
39	hardcoded_kdata_size = .;	43	hardcoded_kdata_size = .;
40	QUAD(kdata_end - kdata_start + (unmapped_kdata_end - unmapped_kdata_start));	44	QUAD(kdata_end - kdata_start + (unmapped_kdata_end - unmapped_kdata_start));
41	hardcoded_unmapped_ktext_size = .;	45	hardcoded_unmapped_ktext_size = .;
42	LONG(unmapped_ktext_end - unmapped_ktext_start);	46	LONG(unmapped_ktext_end - unmapped_ktext_start);
43	hardcoded_unmapped_kdata_size = .;	47	hardcoded_unmapped_kdata_size = .;
44	LONG(unmapped_kdata_end - unmapped_kdata_start);	48	LONG(unmapped_kdata_end - unmapped_kdata_start);
45	(COMMON); / global variables */	49	(COMMON); / global variables */
46		50
47		51
48		52
49	*(.eh_frame);	53	*(.eh_frame);
50	(.bss); / uninitialized static variables */	54	(.bss); / uninitialized static variables */
51	*(K_DATA_END);	55	*(K_DATA_END);
52		56
53	symbol_table = .;	57	symbol_table = .;
54	(symtab.); /* Symbol table, must be LAST symbol!*/	58	(symtab.); /* Symbol table, must be LAST symbol!*/
55		59
56	kdata_end = .;	60	kdata_end = .;
57	}	61	}
58		62
59	_hardcoded_kernel_size = (ktext_end - ktext_start) + (unmapped_ktext_end - unmapped_ktext_start) + (kdata_end - kdata_start) + (unmapped_kdata_end - unmapped_kdata_start);	63	_hardcoded_kernel_size = (ktext_end - ktext_start) + (unmapped_ktext_end - unmapped_ktext_start) + (kdata_end - kdata_start) + (unmapped_kdata_end - unmapped_kdata_start);
60	_boot_offset = 0x100000;	64	_boot_offset = 0x100000;
61	_ka2pa_offset = 0xffffffff80000000;	65	_ka2pa_offset = 0xffffffff80000000;
62	_map_address = _ka2pa_offset + _boot_offset;	66	_map_address = _ka2pa_offset + _boot_offset;
63		67
64		68
65	e820table_boot = e820table - _map_address;	69	e820table_boot = KA2PA(e820table) - BOOT_OFFSET;
66	e820counter_boot = e820counter - _map_address;	70	e820counter_boot = KA2PA(e820counter) - BOOT_OFFSET;
67	real_bootstrap_gdtr = real_bootstrap_gdtr_boot + _ka2pa_offset;	71	real_bootstrap_gdtr = PA2KA(real_bootstrap_gdtr_boot);
68	}	72	}
69		73

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