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33 lines
1.1 KiB
33 lines
1.1 KiB
/* SPDX-License-Identifier: GPL-2.0 */ |
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#include <asm/page.h> |
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/* |
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* .boot.data section is shared between the decompressor code and the |
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* decompressed kernel. The decompressor will store values in it, and copy |
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* over to the decompressed image before starting it. |
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* |
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* .boot.data variables are kept in separate .boot.data.<var name> sections, |
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* which are sorted by alignment first, then by name before being merged |
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* into single .boot.data section. This way big holes cased by page aligned |
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* structs are avoided and linker produces consistent result. |
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*/ |
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#define BOOT_DATA \ |
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. = ALIGN(PAGE_SIZE); \ |
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.boot.data : { \ |
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__boot_data_start = .; \ |
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*(SORT_BY_ALIGNMENT(SORT_BY_NAME(.boot.data*))) \ |
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__boot_data_end = .; \ |
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} |
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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 BOOT_DATA_PRESERVED \ |
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. = ALIGN(PAGE_SIZE); \ |
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.boot.preserved.data : { \ |
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__boot_data_preserved_start = .; \ |
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*(SORT_BY_ALIGNMENT(SORT_BY_NAME(.boot.preserved.data*))) \ |
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__boot_data_preserved_end = .; \ |
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}
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