Orange Pi5 kernel

^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  1) /* SPDX-License-Identifier: GPL-2.0 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  2) #include <asm/page.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  3) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  4) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  5)  * .boot.data section is shared between the decompressor code and the
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  6)  * decompressed kernel. The decompressor will store values in it, and copy
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  7)  * over to the decompressed image before starting it.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  8)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  9)  * .boot.data variables are kept in separate .boot.data.<var name> sections,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10)  * which are sorted by alignment first, then by name before being merged
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11)  * into single .boot.data section. This way big holes cased by page aligned
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12)  * structs are avoided and linker produces consistent result.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) #define BOOT_DATA							\
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) 	. = ALIGN(PAGE_SIZE);						\
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) 	.boot.data : {							\
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) 		__boot_data_start = .;					\
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) 		*(SORT_BY_ALIGNMENT(SORT_BY_NAME(.boot.data*)))		\
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) 		__boot_data_end = .;					\
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23)  * .boot.preserved.data is similar to .boot.data, but it is not part of the
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24)  * .init section and thus will be preserved for later use in the decompressed
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25)  * kernel.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) #define BOOT_DATA_PRESERVED						\
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) 	. = ALIGN(PAGE_SIZE);						\
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) 	.boot.preserved.data : {					\
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) 		__boot_data_preserved_start = .;			\
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) 		*(SORT_BY_ALIGNMENT(SORT_BY_NAME(.boot.preserved.data*))) \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32) 		__boot_data_preserved_end = .;				\
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33) 	}