53 lines
1.2 KiB
C
53 lines
1.2 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
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/*
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* LoongArch binary image header for EFI(PE/COFF) format.
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*
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* Author: Youling Tang <tangyouling@kylinos.cn>
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* Copyright (C) 2025 KylinSoft Corporation.
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*/
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#ifndef __ASM_IMAGE_H
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#define __ASM_IMAGE_H
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#ifndef __ASSEMBLER__
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/**
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* struct loongarch_image_header
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*
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* @dos_sig: Optional PE format 'MZ' signature.
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* @padding_1: Reserved.
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* @kernel_entry: Kernel image entry pointer.
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* @kernel_asize: An estimated size of the memory image size in LSB byte order.
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* @text_offset: The image load offset in LSB byte order.
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* @padding_2: Reserved.
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* @pe_header: Optional offset to a PE format header.
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**/
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struct loongarch_image_header {
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uint8_t dos_sig[2];
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uint16_t padding_1[3];
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uint64_t kernel_entry;
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uint64_t kernel_asize;
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uint64_t text_offset;
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uint32_t padding_2[7];
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uint32_t pe_header;
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};
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/*
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* loongarch_header_check_dos_sig - Helper to check the header
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*
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* Returns true (non-zero) if 'MZ' signature is found.
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*/
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static inline int loongarch_header_check_dos_sig(const struct loongarch_image_header *h)
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{
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if (!h)
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return 0;
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return (h->dos_sig[0] == 'M' && h->dos_sig[1] == 'Z');
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}
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#endif /* __ASSEMBLER__ */
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#endif /* __ASM_IMAGE_H */
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