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/* SPDX-License-Identifier: GPL-2.0 */
#include <asm/page.h>

/*
 * .boot.data section is shared between the decompressor code and the
 * decompressed kernel. The decompressor will store values in it, and copy
 * over to the decompressed image before starting it.
 *
 * .boot.data variables are kept in separate .boot.data.<var name> sections,
 * which are sorted by alignment first, then by name before being merged
 * into single .boot.data section. This way big holes cased by page aligned
 * structs are avoided and linker produces consistent result.
 */
#define BOOT_DATA							\
	. = ALIGN(PAGE_SIZE);						\
	.boot.data : {							\
		__boot_data_start = .;					\
		*(SORT_BY_ALIGNMENT(SORT_BY_NAME(.boot.data*)))		\
		__boot_data_end = .;					\
	}

/*
 * .boot.preserved.data is similar to .boot.data, but it is not part of the
 * .init section and thus will be preserved for later use in the decompressed
 * kernel.
 */
#define BOOT_DATA_PRESERVED						\
	. = ALIGN(PAGE_SIZE);						\
	.boot.preserved.data : {					\
		__boot_data_preserved_start = .;			\
		*(SORT_BY_ALIGNMENT(SORT_BY_NAME(.boot.preserved.data*))) \
		__boot_data_preserved_end = .;				\
	}