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/* SPDX-License-Identifier: GPL-2.0-only */
/*
* Copyright 2011 Red Hat, Inc.
* All rights reserved.
*
* Author(s): Peter Jones <[email protected]>
*/
#ifndef __LINUX_PE_H
#define __LINUX_PE_H
#include <linux/types.h>
/*
* Linux EFI stub v1.0 adds the following functionality:
* - Loading initrd from the LINUX_EFI_INITRD_MEDIA_GUID device path,
* - Loading/starting the kernel from firmware that targets a different
* machine type, via the entrypoint exposed in the .compat PE/COFF section.
*
* The recommended way of loading and starting v1.0 or later kernels is to use
* the LoadImage() and StartImage() EFI boot services, and expose the initrd
* via the LINUX_EFI_INITRD_MEDIA_GUID device path.
*
* Versions older than v1.0 support initrd loading via the image load options
* (using initrd=, limited to the volume from which the kernel itself was
* loaded), or via arch specific means (bootparams, DT, etc).
*
* On x86, LoadImage() and StartImage() can be omitted if the EFI handover
* protocol is implemented, which can be inferred from the version,
* handover_offset and xloadflags fields in the bootparams structure.
*/
#define LINUX_EFISTUB_MAJOR_VERSION 0x1
#define LINUX_EFISTUB_MINOR_VERSION 0x0
#define MZ_MAGIC 0x5a4d /* "MZ" */
#define PE_MAGIC 0x00004550 /* "PE\0\0" */
#define PE_OPT_MAGIC_PE32 0x010b
#define PE_OPT_MAGIC_PE32_ROM 0x0107
#define PE_OPT_MAGIC_PE32PLUS 0x020b
/* machine type */
#define IMAGE_FILE_MACHINE_UNKNOWN 0x0000
#define IMAGE_FILE_MACHINE_AM33 0x01d3
#define IMAGE_FILE_MACHINE_AMD64 0x8664
#define IMAGE_FILE_MACHINE_ARM 0x01c0
#define IMAGE_FILE_MACHINE_ARMV7 0x01c4
#define IMAGE_FILE_MACHINE_ARM64 0xaa64
#define IMAGE_FILE_MACHINE_EBC 0x0ebc
#define IMAGE_FILE_MACHINE_I386 0x014c
#define IMAGE_FILE_MACHINE_IA64 0x0200
#define IMAGE_FILE_MACHINE_M32R 0x9041
#define IMAGE_FILE_MACHINE_MIPS16 0x0266
#define IMAGE_FILE_MACHINE_MIPSFPU 0x0366
#define IMAGE_FILE_MACHINE_MIPSFPU16 0x0466
#define IMAGE_FILE_MACHINE_POWERPC 0x01f0
#define IMAGE_FILE_MACHINE_POWERPCFP 0x01f1
#define IMAGE_FILE_MACHINE_R4000 0x0166
#define IMAGE_FILE_MACHINE_RISCV32 0x5032
#define IMAGE_FILE_MACHINE_RISCV64 0x5064
#define IMAGE_FILE_MACHINE_RISCV128 0x5128
#define IMAGE_FILE_MACHINE_SH3 0x01a2
#define IMAGE_FILE_MACHINE_SH3DSP 0x01a3
#define IMAGE_FILE_MACHINE_SH3E 0x01a4
#define IMAGE_FILE_MACHINE_SH4 0x01a6
#define IMAGE_FILE_MACHINE_SH5 0x01a8
#define IMAGE_FILE_MACHINE_THUMB 0x01c2
#define IMAGE_FILE_MACHINE_WCEMIPSV2 0x0169
/* flags */
#define IMAGE_FILE_RELOCS_STRIPPED 0x0001
#define IMAGE_FILE_EXECUTABLE_IMAGE 0x0002
#define IMAGE_FILE_LINE_NUMS_STRIPPED 0x0004
#define IMAGE_FILE_LOCAL_SYMS_STRIPPED 0x0008
#define IMAGE_FILE_AGGRESSIVE_WS_TRIM 0x0010
#define IMAGE_FILE_LARGE_ADDRESS_AWARE 0x0020
#define IMAGE_FILE_16BIT_MACHINE 0x0040
#define IMAGE_FILE_BYTES_REVERSED_LO 0x0080
#define IMAGE_FILE_32BIT_MACHINE 0x0100
#define IMAGE_FILE_DEBUG_STRIPPED 0x0200
#define IMAGE_FILE_REMOVABLE_RUN_FROM_SWAP 0x0400
#define IMAGE_FILE_NET_RUN_FROM_SWAP 0x0800
#define IMAGE_FILE_SYSTEM 0x1000
#define IMAGE_FILE_DLL 0x2000
#define IMAGE_FILE_UP_SYSTEM_ONLY 0x4000
#define IMAGE_FILE_BYTES_REVERSED_HI 0x8000
#define IMAGE_FILE_OPT_ROM_MAGIC 0x107
#define IMAGE_FILE_OPT_PE32_MAGIC 0x10b
#define IMAGE_FILE_OPT_PE32_PLUS_MAGIC 0x20b
#define IMAGE_SUBSYSTEM_UNKNOWN 0
#define IMAGE_SUBSYSTEM_NATIVE 1
#define IMAGE_SUBSYSTEM_WINDOWS_GUI 2
#define IMAGE_SUBSYSTEM_WINDOWS_CUI 3
#define IMAGE_SUBSYSTEM_POSIX_CUI 7
#define IMAGE_SUBSYSTEM_WINDOWS_CE_GUI 9
#define IMAGE_SUBSYSTEM_EFI_APPLICATION 10
#define IMAGE_SUBSYSTEM_EFI_BOOT_SERVICE_DRIVER 11
#define IMAGE_SUBSYSTEM_EFI_RUNTIME_DRIVER 12
#define IMAGE_SUBSYSTEM_EFI_ROM_IMAGE 13
#define IMAGE_SUBSYSTEM_XBOX 14
#define IMAGE_DLL_CHARACTERISTICS_DYNAMIC_BASE 0x0040
#define IMAGE_DLL_CHARACTERISTICS_FORCE_INTEGRITY 0x0080
#define IMAGE_DLL_CHARACTERISTICS_NX_COMPAT 0x0100
#define IMAGE_DLLCHARACTERISTICS_NO_ISOLATION 0x0200
#define IMAGE_DLLCHARACTERISTICS_NO_SEH 0x0400
#define IMAGE_DLLCHARACTERISTICS_NO_BIND 0x0800
#define IMAGE_DLLCHARACTERISTICS_WDM_DRIVER 0x2000
#define IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE 0x8000
/* they actually defined 0x00000000 as well, but I think we'll skip that one. */
#define IMAGE_SCN_RESERVED_0 0x00000001
#define IMAGE_SCN_RESERVED_1 0x00000002
#define IMAGE_SCN_RESERVED_2 0x00000004
#define IMAGE_SCN_TYPE_NO_PAD 0x00000008 /* don't pad - obsolete */
#define IMAGE_SCN_RESERVED_3 0x00000010
#define IMAGE_SCN_CNT_CODE 0x00000020 /* .text */
#define IMAGE_SCN_CNT_INITIALIZED_DATA 0x00000040 /* .data */
#define IMAGE_SCN_CNT_UNINITIALIZED_DATA 0x00000080 /* .bss */
#define IMAGE_SCN_LNK_OTHER 0x00000100 /* reserved */
#define IMAGE_SCN_LNK_INFO 0x00000200 /* .drectve comments */
#define IMAGE_SCN_RESERVED_4 0x00000400
#define IMAGE_SCN_LNK_REMOVE 0x00000800 /* .o only - scn to be rm'd*/
#define IMAGE_SCN_LNK_COMDAT 0x00001000 /* .o only - COMDAT data */
#define IMAGE_SCN_RESERVED_5 0x00002000 /* spec omits this */
#define IMAGE_SCN_RESERVED_6 0x00004000 /* spec omits this */
#define IMAGE_SCN_GPREL 0x00008000 /* global pointer referenced data */
/* spec lists 0x20000 twice, I suspect they meant 0x10000 for one of them */
#define IMAGE_SCN_MEM_PURGEABLE 0x00010000 /* reserved for "future" use */
#define IMAGE_SCN_16BIT 0x00020000 /* reserved for "future" use */
#define IMAGE_SCN_LOCKED 0x00040000 /* reserved for "future" use */
#define IMAGE_SCN_PRELOAD 0x00080000 /* reserved for "future" use */
/* and here they just stuck a 1-byte integer in the middle of a bitfield */
#define IMAGE_SCN_ALIGN_1BYTES 0x00100000 /* it does what it says on the box */
#define IMAGE_SCN_ALIGN_2BYTES 0x00200000
#define IMAGE_SCN_ALIGN_4BYTES 0x00300000
#define IMAGE_SCN_ALIGN_8BYTES 0x00400000
#define IMAGE_SCN_ALIGN_16BYTES 0x00500000
#define IMAGE_SCN_ALIGN_32BYTES 0x00600000
#define IMAGE_SCN_ALIGN_64BYTES 0x00700000
#define IMAGE_SCN_ALIGN_128BYTES 0x00800000
#define IMAGE_SCN_ALIGN_256BYTES 0x00900000
#define IMAGE_SCN_ALIGN_512BYTES 0x00a00000
#define IMAGE_SCN_ALIGN_1024BYTES 0x00b00000
#define IMAGE_SCN_ALIGN_2048BYTES 0x00c00000
#define IMAGE_SCN_ALIGN_4096BYTES 0x00d00000
#define IMAGE_SCN_ALIGN_8192BYTES 0x00e00000
#define IMAGE_SCN_LNK_NRELOC_OVFL 0x01000000 /* extended relocations */
#define IMAGE_SCN_MEM_DISCARDABLE 0x02000000 /* scn can be discarded */
#define IMAGE_SCN_MEM_NOT_CACHED 0x04000000 /* cannot be cached */
#define IMAGE_SCN_MEM_NOT_PAGED 0x08000000 /* not pageable */
#define IMAGE_SCN_MEM_SHARED 0x10000000 /* can be shared */
#define IMAGE_SCN_MEM_EXECUTE 0x20000000 /* can be executed as code */
#define IMAGE_SCN_MEM_READ 0x40000000 /* readable */
#define IMAGE_SCN_MEM_WRITE 0x80000000 /* writeable */
#define IMAGE_DEBUG_TYPE_CODEVIEW 2
#ifndef __ASSEMBLY__
struct mz_hdr {
uint16_t magic; /* MZ_MAGIC */
uint16_t lbsize; /* size of last used block */
uint16_t blocks; /* pages in file, 0x3 */
uint16_t relocs; /* relocations */
uint16_t hdrsize; /* header size in "paragraphs" */
uint16_t min_extra_pps; /* .bss */
uint16_t max_extra_pps; /* runtime limit for the arena size */
uint16_t ss; /* relative stack segment */
uint16_t sp; /* initial %sp register */
uint16_t checksum; /* word checksum */
uint16_t ip; /* initial %ip register */
uint16_t cs; /* initial %cs relative to load segment */
uint16_t reloc_table_offset; /* offset of the first relocation */
uint16_t overlay_num; /* overlay number. set to 0. */
uint16_t reserved0[4]; /* reserved */
uint16_t oem_id; /* oem identifier */
uint16_t oem_info; /* oem specific */
uint16_t reserved1[10]; /* reserved */
uint32_t peaddr; /* address of pe header */
char message[]; /* message to print */
};
struct mz_reloc {
uint16_t offset;
uint16_t segment;
};
struct pe_hdr {
uint32_t magic; /* PE magic */
uint16_t machine; /* machine type */
uint16_t sections; /* number of sections */
uint32_t timestamp; /* time_t */
uint32_t symbol_table; /* symbol table offset */
uint32_t symbols; /* number of symbols */
uint16_t opt_hdr_size; /* size of optional header */
uint16_t flags; /* flags */
};
/* the fact that pe32 isn't padded where pe32+ is 64-bit means union won't
* work right. vomit. */
struct pe32_opt_hdr {
/* "standard" header */
uint16_t magic; /* file type */
uint8_t ld_major; /* linker major version */
uint8_t ld_minor; /* linker minor version */
uint32_t text_size; /* size of text section(s) */
uint32_t data_size; /* size of data section(s) */
uint32_t bss_size; /* size of bss section(s) */
uint32_t entry_point; /* file offset of entry point */
uint32_t code_base; /* relative code addr in ram */
uint32_t data_base; /* relative data addr in ram */
/* "windows" header */
uint32_t image_base; /* preferred load address */
uint32_t section_align; /* alignment in bytes */
uint32_t file_align; /* file alignment in bytes */
uint16_t os_major; /* major OS version */
uint16_t os_minor; /* minor OS version */
uint16_t image_major; /* major image version */
uint16_t image_minor; /* minor image version */
uint16_t subsys_major; /* major subsystem version */
uint16_t subsys_minor; /* minor subsystem version */
uint32_t win32_version; /* reserved, must be 0 */
uint32_t image_size; /* image size */
uint32_t header_size; /* header size rounded up to
file_align */
uint32_t csum; /* checksum */
uint16_t subsys; /* subsystem */
uint16_t dll_flags; /* more flags! */
uint32_t stack_size_req;/* amt of stack requested */
uint32_t stack_size; /* amt of stack required */
uint32_t heap_size_req; /* amt of heap requested */
uint32_t heap_size; /* amt of heap required */
uint32_t loader_flags; /* reserved, must be 0 */
uint32_t data_dirs; /* number of data dir entries */
};
struct pe32plus_opt_hdr {
uint16_t magic; /* file type */
uint8_t ld_major; /* linker major version */
uint8_t ld_minor; /* linker minor version */
uint32_t text_size; /* size of text section(s) */
uint32_t data_size; /* size of data section(s) */
uint32_t bss_size; /* size of bss section(s) */
uint32_t entry_point; /* file offset of entry point */
uint32_t code_base; /* relative code addr in ram */
/* "windows" header */
uint64_t image_base; /* preferred load address */
uint32_t section_align; /* alignment in bytes */
uint32_t file_align; /* file alignment in bytes */
uint16_t os_major; /* major OS version */
uint16_t os_minor; /* minor OS version */
uint16_t image_major; /* major image version */
uint16_t image_minor; /* minor image version */
uint16_t subsys_major; /* major subsystem version */
uint16_t subsys_minor; /* minor subsystem version */
uint32_t win32_version; /* reserved, must be 0 */
uint32_t image_size; /* image size */
uint32_t header_size; /* header size rounded up to
file_align */
uint32_t csum; /* checksum */
uint16_t subsys; /* subsystem */
uint16_t dll_flags; /* more flags! */
uint64_t stack_size_req;/* amt of stack requested */
uint64_t stack_size; /* amt of stack required */
uint64_t heap_size_req; /* amt of heap requested */
uint64_t heap_size; /* amt of heap required */
uint32_t loader_flags; /* reserved, must be 0 */
uint32_t data_dirs; /* number of data dir entries */
};
struct data_dirent {
uint32_t virtual_address; /* relative to load address */
uint32_t size;
};
struct data_directory {
struct data_dirent exports; /* .edata */
struct data_dirent imports; /* .idata */
struct data_dirent resources; /* .rsrc */
struct data_dirent exceptions; /* .pdata */
struct data_dirent certs; /* certs */
struct data_dirent base_relocations; /* .reloc */
struct data_dirent debug; /* .debug */
struct data_dirent arch; /* reservered */
struct data_dirent global_ptr; /* global pointer reg. Size=0 */
struct data_dirent tls; /* .tls */
struct data_dirent load_config; /* load configuration structure */
struct data_dirent bound_imports; /* no idea */
struct data_dirent import_addrs; /* import address table */
struct data_dirent delay_imports; /* delay-load import table */
struct data_dirent clr_runtime_hdr; /* .cor (object only) */
struct data_dirent reserved;
};
struct section_header {
char name[8]; /* name or "/12\0" string tbl offset */
uint32_t virtual_size; /* size of loaded section in ram */
uint32_t virtual_address; /* relative virtual address */
uint32_t raw_data_size; /* size of the section */
uint32_t data_addr; /* file pointer to first page of sec */
uint32_t relocs; /* file pointer to relocation entries */
uint32_t line_numbers; /* line numbers! */
uint16_t num_relocs; /* number of relocations */
uint16_t num_lin_numbers; /* srsly. */
uint32_t flags;
};
enum x64_coff_reloc_type {
IMAGE_REL_AMD64_ABSOLUTE = 0,
IMAGE_REL_AMD64_ADDR64,
IMAGE_REL_AMD64_ADDR32,
IMAGE_REL_AMD64_ADDR32N,
IMAGE_REL_AMD64_REL32,
IMAGE_REL_AMD64_REL32_1,
IMAGE_REL_AMD64_REL32_2,
IMAGE_REL_AMD64_REL32_3,
IMAGE_REL_AMD64_REL32_4,
IMAGE_REL_AMD64_REL32_5,
IMAGE_REL_AMD64_SECTION,
IMAGE_REL_AMD64_SECREL,
IMAGE_REL_AMD64_SECREL7,
IMAGE_REL_AMD64_TOKEN,
IMAGE_REL_AMD64_SREL32,
IMAGE_REL_AMD64_PAIR,
IMAGE_REL_AMD64_SSPAN32,
};
enum arm_coff_reloc_type {
IMAGE_REL_ARM_ABSOLUTE,
IMAGE_REL_ARM_ADDR32,
IMAGE_REL_ARM_ADDR32N,
IMAGE_REL_ARM_BRANCH2,
IMAGE_REL_ARM_BRANCH1,
IMAGE_REL_ARM_SECTION,
IMAGE_REL_ARM_SECREL,
};
enum sh_coff_reloc_type {
IMAGE_REL_SH3_ABSOLUTE,
IMAGE_REL_SH3_DIRECT16,
IMAGE_REL_SH3_DIRECT32,
IMAGE_REL_SH3_DIRECT8,
IMAGE_REL_SH3_DIRECT8_WORD,
IMAGE_REL_SH3_DIRECT8_LONG,
IMAGE_REL_SH3_DIRECT4,
IMAGE_REL_SH3_DIRECT4_WORD,
IMAGE_REL_SH3_DIRECT4_LONG,
IMAGE_REL_SH3_PCREL8_WORD,
IMAGE_REL_SH3_PCREL8_LONG,
IMAGE_REL_SH3_PCREL12_WORD,
IMAGE_REL_SH3_STARTOF_SECTION,
IMAGE_REL_SH3_SIZEOF_SECTION,
IMAGE_REL_SH3_SECTION,
IMAGE_REL_SH3_SECREL,
IMAGE_REL_SH3_DIRECT32_NB,
IMAGE_REL_SH3_GPREL4_LONG,
IMAGE_REL_SH3_TOKEN,
IMAGE_REL_SHM_PCRELPT,
IMAGE_REL_SHM_REFLO,
IMAGE_REL_SHM_REFHALF,
IMAGE_REL_SHM_RELLO,
IMAGE_REL_SHM_RELHALF,
IMAGE_REL_SHM_PAIR,
IMAGE_REL_SHM_NOMODE,
};
enum ppc_coff_reloc_type {
IMAGE_REL_PPC_ABSOLUTE,
IMAGE_REL_PPC_ADDR64,
IMAGE_REL_PPC_ADDR32,
IMAGE_REL_PPC_ADDR24,
IMAGE_REL_PPC_ADDR16,
IMAGE_REL_PPC_ADDR14,
IMAGE_REL_PPC_REL24,
IMAGE_REL_PPC_REL14,
IMAGE_REL_PPC_ADDR32N,
IMAGE_REL_PPC_SECREL,
IMAGE_REL_PPC_SECTION,
IMAGE_REL_PPC_SECREL16,
IMAGE_REL_PPC_REFHI,
IMAGE_REL_PPC_REFLO,
IMAGE_REL_PPC_PAIR,
IMAGE_REL_PPC_SECRELLO,
IMAGE_REL_PPC_GPREL,
IMAGE_REL_PPC_TOKEN,
};
enum x86_coff_reloc_type {
IMAGE_REL_I386_ABSOLUTE,
IMAGE_REL_I386_DIR16,
IMAGE_REL_I386_REL16,
IMAGE_REL_I386_DIR32,
IMAGE_REL_I386_DIR32NB,
IMAGE_REL_I386_SEG12,
IMAGE_REL_I386_SECTION,
IMAGE_REL_I386_SECREL,
IMAGE_REL_I386_TOKEN,
IMAGE_REL_I386_SECREL7,
IMAGE_REL_I386_REL32,
};
enum ia64_coff_reloc_type {
IMAGE_REL_IA64_ABSOLUTE,
IMAGE_REL_IA64_IMM14,
IMAGE_REL_IA64_IMM22,
IMAGE_REL_IA64_IMM64,
IMAGE_REL_IA64_DIR32,
IMAGE_REL_IA64_DIR64,
IMAGE_REL_IA64_PCREL21B,
IMAGE_REL_IA64_PCREL21M,
IMAGE_REL_IA64_PCREL21F,
IMAGE_REL_IA64_GPREL22,
IMAGE_REL_IA64_LTOFF22,
IMAGE_REL_IA64_SECTION,
IMAGE_REL_IA64_SECREL22,
IMAGE_REL_IA64_SECREL64I,
IMAGE_REL_IA64_SECREL32,
IMAGE_REL_IA64_DIR32NB,
IMAGE_REL_IA64_SREL14,
IMAGE_REL_IA64_SREL22,
IMAGE_REL_IA64_SREL32,
IMAGE_REL_IA64_UREL32,
IMAGE_REL_IA64_PCREL60X,
IMAGE_REL_IA64_PCREL60B,
IMAGE_REL_IA64_PCREL60F,
IMAGE_REL_IA64_PCREL60I,
IMAGE_REL_IA64_PCREL60M,
IMAGE_REL_IA64_IMMGPREL6,
IMAGE_REL_IA64_TOKEN,
IMAGE_REL_IA64_GPREL32,
IMAGE_REL_IA64_ADDEND,
};
struct coff_reloc {
uint32_t virtual_address;
uint32_t symbol_table_index;
union {
enum x64_coff_reloc_type x64_type;
enum arm_coff_reloc_type arm_type;
enum sh_coff_reloc_type sh_type;
enum ppc_coff_reloc_type ppc_type;
enum x86_coff_reloc_type x86_type;
enum ia64_coff_reloc_type ia64_type;
uint16_t data;
};
};
/*
* Definitions for the contents of the certs data block
*/
#define WIN_CERT_TYPE_PKCS_SIGNED_DATA 0x0002
#define WIN_CERT_TYPE_EFI_OKCS115 0x0EF0
#define WIN_CERT_TYPE_EFI_GUID 0x0EF1
#define WIN_CERT_REVISION_1_0 0x0100
#define WIN_CERT_REVISION_2_0 0x0200
struct win_certificate {
uint32_t length;
uint16_t revision;
uint16_t cert_type;
};
#endif /* !__ASSEMBLY__ */
#endif /* __LINUX_PE_H */
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