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65 decky 1 
/** IA-32 linker script
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 *
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 * 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
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 */
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#define __ASM__
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#include <arch/boot/boot.h>
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#include <arch/mm/page.h>
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OUTPUT_FORMAT(binary)
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ENTRY(kernel_image_start)
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SECTIONS {
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	.unmapped BOOTSTRAP_OFFSET: AT (BOOTSTRAP_OFFSET) {
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		unmapped_ktext_start = .;
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		*(K_TEXT_START);
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		*(K_TEXT_START_2);
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		unmapped_ktext_end = .;
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		unmapped_kdata_start = .;
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		*(K_DATA_START);
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		unmapped_kdata_end = .;
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		LONG(0xdeadbeaf);		/* TODO: remove 0xdeadbeaf */
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	}
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	.mapped (PA2KA(BOOT_OFFSET+BOOTSTRAP_OFFSET)+SIZEOF(.unmapped)): AT (BOOTSTRAP_OFFSET+SIZEOF(.unmapped)) {
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		ktext_start = .;
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		*(BOOT_DATA);
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		*(.text);
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		ktext_end = .;
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		kdata_start = .;
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		*(.data);			/* initialized data */
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		*(.rodata*);			/* string literals */
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		*(COMMON);			/* global variables */
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		hardcoded_load_address = .;
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		LONG(PA2KA(BOOT_OFFSET+BOOTSTRAP_OFFSET));
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		hardcoded_ktext_size = .;
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		LONG((ktext_end - ktext_start) + (unmapped_ktext_end - unmapped_ktext_start));
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		hardcoded_kdata_size = .;
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		LONG((kdata_end - kdata_start) + (unmapped_kdata_end - unmapped_kdata_start));
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		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);
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		*(.bss);			/* uninitialized static variables */
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		symbol_table = .;
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		*(symtab.*);            	/* Symbol table, must be LAST symbol! */
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		kdata_end = .;
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	}
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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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	_hardcoded_kernel_size = (ktext_end - ktext_start) + (unmapped_ktext_end - unmapped_ktext_start) + (kdata_end - kdata_start) + (unmapped_kdata_end - unmapped_kdata_start);
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	_hardcoded_unmapped_size = (unmapped_ktext_end - unmapped_ktext_start) + (unmapped_kdata_end - unmapped_kdata_start);
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	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);
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}