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41 lines
1.3 KiB
41 lines
1.3 KiB
/* SPDX-License-Identifier: GPL-2.0 */ |
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#ifndef _S390_SECTIONS_H |
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#define _S390_SECTIONS_H |
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#define arch_is_kernel_initmem_freed arch_is_kernel_initmem_freed |
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#include <asm-generic/sections.h> |
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extern bool initmem_freed; |
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static inline int arch_is_kernel_initmem_freed(unsigned long addr) |
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{ |
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if (!initmem_freed) |
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return 0; |
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return addr >= (unsigned long)__init_begin && |
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addr < (unsigned long)__init_end; |
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} |
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/* |
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* .boot.data section contains variables "shared" between the decompressor and |
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* the decompressed kernel. The decompressor will store values in them, and |
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* copy over to the decompressed image before starting it. |
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* |
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* Each variable end up in its own intermediate section .boot.data.<var name>, |
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* those sections are later sorted by alignment + name and merged together into |
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* final .boot.data section, which should be identical in the decompressor and |
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* the decompressed kernel (that is checked during the build). |
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*/ |
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#define __bootdata(var) __section(".boot.data." #var) var |
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/* |
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* .boot.preserved.data is similar to .boot.data, but it is not part of the |
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* .init section and thus will be preserved for later use in the decompressed |
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* kernel. |
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*/ |
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#define __bootdata_preserved(var) __section(".boot.preserved.data." #var) var |
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extern unsigned long __sdma, __edma; |
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extern unsigned long __stext_dma, __etext_dma; |
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#endif
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