1 /* SPDX-License-Identifier: GPL-2.0 */ 2 3 #ifndef _ASM_RISCV_IMAGE_H 4 #define _ASM_RISCV_IMAGE_H 5 6 #define RISCV_IMAGE_MAGIC "RISCV\0\0\0" 7 #define RISCV_IMAGE_MAGIC2 "RSC\x05" 8 9 #define RISCV_IMAGE_FLAG_BE_SHIFT 0 10 #define RISCV_IMAGE_FLAG_BE_MASK 0x1 11 12 #define RISCV_IMAGE_FLAG_LE 0 13 #define RISCV_IMAGE_FLAG_BE 1 14 15 #ifdef CONFIG_CPU_BIG_ENDIAN 16 #error conversion of header fields to LE not yet implemented 17 #else 18 #define __HEAD_FLAG_BE RISCV_IMAGE_FLAG_LE 19 #endif 20 21 #define __HEAD_FLAG(field) (__HEAD_FLAG_##field << \ 22 RISCV_IMAGE_FLAG_##field##_SHIFT) 23 24 #define __HEAD_FLAGS (__HEAD_FLAG(BE)) 25 26 #define RISCV_HEADER_VERSION_MAJOR 0 27 #define RISCV_HEADER_VERSION_MINOR 2 28 29 #define RISCV_HEADER_VERSION (RISCV_HEADER_VERSION_MAJOR << 16 | \ 30 RISCV_HEADER_VERSION_MINOR) 31 32 #ifndef __ASSEMBLY__ 33 /** 34 * struct riscv_image_header - riscv kernel image header 35 * @code0: Executable code 36 * @code1: Executable code 37 * @text_offset: Image load offset (little endian) 38 * @image_size: Effective Image size (little endian) 39 * @flags: kernel flags (little endian) 40 * @version: version 41 * @res1: reserved 42 * @res2: reserved 43 * @magic: Magic number (RISC-V specific; deprecated) 44 * @magic2: Magic number 2 (to match the ARM64 'magic' field pos) 45 * @res4: reserved (will be used for PE COFF offset) 46 * 47 * The intention is for this header format to be shared between multiple 48 * architectures to avoid a proliferation of image header formats. 49 */ 50 51 struct riscv_image_header { 52 u32 code0; 53 u32 code1; 54 u64 text_offset; 55 u64 image_size; 56 u64 flags; 57 u32 version; 58 u32 res1; 59 u64 res2; 60 u64 magic; 61 u32 magic2; 62 u32 res4; 63 }; 64 #endif /* __ASSEMBLY__ */ 65 #endif /* _ASM_RISCV_IMAGE_H */ 66