66 lines
1.6 KiB
C
66 lines
1.6 KiB
C
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/* SPDX-License-Identifier: GPL-2.0 */
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#ifndef _ASM_RISCV_IMAGE_H
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#define _ASM_RISCV_IMAGE_H
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#define RISCV_IMAGE_MAGIC "RISCV\0\0\0"
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#define RISCV_IMAGE_MAGIC2 "RSC\x05"
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#define RISCV_IMAGE_FLAG_BE_SHIFT 0
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#define RISCV_IMAGE_FLAG_BE_MASK 0x1
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#define RISCV_IMAGE_FLAG_LE 0
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#define RISCV_IMAGE_FLAG_BE 1
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#ifdef CONFIG_CPU_BIG_ENDIAN
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#error conversion of header fields to LE not yet implemented
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#else
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#define __HEAD_FLAG_BE RISCV_IMAGE_FLAG_LE
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#endif
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#define __HEAD_FLAG(field) (__HEAD_FLAG_##field << \
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RISCV_IMAGE_FLAG_##field##_SHIFT)
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#define __HEAD_FLAGS (__HEAD_FLAG(BE))
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#define RISCV_HEADER_VERSION_MAJOR 0
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#define RISCV_HEADER_VERSION_MINOR 2
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#define RISCV_HEADER_VERSION (RISCV_HEADER_VERSION_MAJOR << 16 | \
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RISCV_HEADER_VERSION_MINOR)
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#ifndef __ASSEMBLY__
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/**
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* struct riscv_image_header - riscv kernel image header
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* @code0: Executable code
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* @code1: Executable code
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* @text_offset: Image load offset (little endian)
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* @image_size: Effective Image size (little endian)
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* @flags: kernel flags (little endian)
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* @version: version
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* @res1: reserved
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* @res2: reserved
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* @magic: Magic number (RISC-V specific; deprecated)
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* @magic2: Magic number 2 (to match the ARM64 'magic' field pos)
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* @res3: reserved (will be used for PE COFF offset)
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*
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* The intention is for this header format to be shared between multiple
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* architectures to avoid a proliferation of image header formats.
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*/
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struct riscv_image_header {
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u32 code0;
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u32 code1;
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u64 text_offset;
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u64 image_size;
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u64 flags;
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u32 version;
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u32 res1;
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u64 res2;
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u64 magic;
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u32 magic2;
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u32 res3;
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};
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#endif /* __ASSEMBLY__ */
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#endif /* _ASM_RISCV_IMAGE_H */
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