1 /* SPDX-License-Identifier: GPL-2.0 */ 2 #ifndef _S390_SECTIONS_H 3 #define _S390_SECTIONS_H 4 5 #include <asm-generic/sections.h> 6 7 /* 8 * .boot.data section contains variables "shared" between the decompressor and 9 * the decompressed kernel. The decompressor will store values in them, and 10 * copy over to the decompressed image before starting it. 11 * 12 * Each variable end up in its own intermediate section .boot.data.<var name>, 13 * those sections are later sorted by alignment + name and merged together into 14 * final .boot.data section, which should be identical in the decompressor and 15 * the decompressed kernel (that is checked during the build). 16 */ 17 #define __bootdata(var) __section(".boot.data." #var) var 18 19 /* 20 * .boot.preserved.data is similar to .boot.data, but it is not part of the 21 * .init section and thus will be preserved for later use in the decompressed 22 * kernel. 23 */ 24 #define __bootdata_preserved(var) __section(".boot.preserved.data." #var) var 25 26 extern char *__samode31, *__eamode31; 27 extern char *__stext_amode31, *__etext_amode31; 28 29 #endif 30