| /* 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 = .; \ | |
| } |