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65 decky 1
/** IA-32 linker script
1 jermar 2
 *  
105 jermar 3
 * umapped section:
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 * 	kernel text
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 * 	kernel data
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 * mapped section:
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 *	kernel text
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 *	kernel data 
1 jermar 9
 */
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301 palkovsky 11
#define __ASM__
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#include <arch/boot/boot.h>
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#include <arch/mm/page.h>
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1 jermar 15
OUTPUT_FORMAT(binary)
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ENTRY(kernel_image_start)
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SECTIONS {
301 palkovsky 19
	.unmapped BOOTSTRAP_OFFSET: AT (BOOTSTRAP_OFFSET) {
106 jermar 20
		unmapped_ktext_start = .;
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		*(K_TEXT_START);
110 jermar 22
		*(K_TEXT_START_2);
106 jermar 23
		unmapped_ktext_end = .;
381 jermar 24
 
106 jermar 25
		unmapped_kdata_start = .;
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		*(K_DATA_START);
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		unmapped_kdata_end = .;
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	}
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);
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		ktext_end = .;
267 decky 35
 
106 jermar 36
		kdata_start = .;
334 jermar 37
		*(.data);			/* initialized data */
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		*(.rodata*);			/* string literals */
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		*(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 = .;
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		LONG(unmapped_ktext_end - unmapped_ktext_start);
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		hardcoded_unmapped_kdata_size = .;
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		LONG(unmapped_kdata_end - unmapped_kdata_start);
334 jermar 50
		*(.bss);			/* uninitialized static variables */
268 palkovsky 51
		symbol_table = .;
334 jermar 52
		*(symtab.*);            	/* Symbol table, must be LAST symbol! */
268 palkovsky 53
 
106 jermar 54
		kdata_end = .;
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	}
381 jermar 56
 
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	/DISCARD/ : {
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		*(.note.GNU-stack);		
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		*(.comment);
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	}
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235 decky 62
 
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	_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 64
	_hardcoded_unmapped_size = (unmapped_ktext_end - unmapped_ktext_start) + (unmapped_kdata_end - unmapped_kdata_start);
267 decky 65
 
301 palkovsky 66
	e820table_boot = KA2PA(e820table) - BOOT_OFFSET;
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	e820counter_boot = KA2PA(e820counter) - BOOT_OFFSET;
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	real_bootstrap_gdtr = PA2KA(real_bootstrap_gdtr_boot);
1 jermar 69
}