/* 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 = .;                          \
        }