| /* 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 = .; \ |
| } |