Staging
v0.7.0
v0.7.0
https://github.com/torvalds/linux
Tip revision: 45a3e24f65e90a047bef86f927ebdc4c710edaa1 authored by Linus Torvalds on 18 June 2023, 21:06:27 UTC
Linux 6.4-rc7
Linux 6.4-rc7
Tip revision: 45a3e24
zboot-header.S
/* SPDX-License-Identifier: GPL-2.0 */
#include <linux/pe.h>
#ifdef CONFIG_64BIT
.set .Lextra_characteristics, 0x0
.set .Lpe_opt_magic, PE_OPT_MAGIC_PE32PLUS
#else
.set .Lextra_characteristics, IMAGE_FILE_32BIT_MACHINE
.set .Lpe_opt_magic, PE_OPT_MAGIC_PE32
#endif
.section ".head", "a"
.globl __efistub_efi_zboot_header
__efistub_efi_zboot_header:
.Ldoshdr:
.long MZ_MAGIC
.ascii "zimg" // image type
.long __efistub__gzdata_start - .Ldoshdr // payload offset
.long __efistub__gzdata_size - ZBOOT_SIZE_LEN // payload size
.long 0, 0 // reserved
.asciz COMP_TYPE // compression type
.org .Ldoshdr + 0x38
.long LINUX_PE_MAGIC
.long .Lpehdr - .Ldoshdr // PE header offset
.Lpehdr:
.long PE_MAGIC
.short MACHINE_TYPE
.short .Lsection_count
.long 0
.long 0
.long 0
.short .Lsection_table - .Loptional_header
.short IMAGE_FILE_DEBUG_STRIPPED | \
IMAGE_FILE_EXECUTABLE_IMAGE | \
IMAGE_FILE_LINE_NUMS_STRIPPED |\
.Lextra_characteristics
.Loptional_header:
.short .Lpe_opt_magic
.byte 0, 0
.long _etext - .Lefi_header_end
.long __data_size
.long 0
.long __efistub_efi_zboot_entry - .Ldoshdr
.long .Lefi_header_end - .Ldoshdr
#ifdef CONFIG_64BIT
.quad 0
#else
.long _etext - .Ldoshdr, 0x0
#endif
.long 4096
.long 512
.short 0, 0
.short LINUX_EFISTUB_MAJOR_VERSION // MajorImageVersion
.short LINUX_EFISTUB_MINOR_VERSION // MinorImageVersion
.short 0, 0
.long 0
.long _end - .Ldoshdr
.long .Lefi_header_end - .Ldoshdr
.long 0
.short IMAGE_SUBSYSTEM_EFI_APPLICATION
.short IMAGE_DLL_CHARACTERISTICS_NX_COMPAT
#ifdef CONFIG_64BIT
.quad 0, 0, 0, 0
#else
.long 0, 0, 0, 0
#endif
.long 0
.long (.Lsection_table - .) / 8
.quad 0 // ExportTable
.quad 0 // ImportTable
.quad 0 // ResourceTable
.quad 0 // ExceptionTable
.quad 0 // CertificationTable
.quad 0 // BaseRelocationTable
#if defined(PE_DLL_CHAR_EX) || defined(CONFIG_DEBUG_EFI)
.long .Lefi_debug_table - .Ldoshdr // DebugTable
.long .Lefi_debug_table_size
.section ".rodata", "a"
.p2align 2
.Lefi_debug_table:
// EFI_IMAGE_DEBUG_DIRECTORY_ENTRY[]
#ifdef PE_DLL_CHAR_EX
.long 0 // Characteristics
.long 0 // TimeDateStamp
.short 0 // MajorVersion
.short 0 // MinorVersion
.long IMAGE_DEBUG_TYPE_EX_DLLCHARACTERISTICS // Type
.long 4 // SizeOfData
.long 0 // RVA
.long .Lefi_dll_characteristics_ex - .Ldoshdr // FileOffset
#endif
#ifdef CONFIG_DEBUG_EFI
.long 0 // Characteristics
.long 0 // TimeDateStamp
.short 0 // MajorVersion
.short 0 // MinorVersion
.long IMAGE_DEBUG_TYPE_CODEVIEW // Type
.long .Lefi_debug_entry_size // SizeOfData
.long 0 // RVA
.long .Lefi_debug_entry - .Ldoshdr // FileOffset
#endif
.set .Lefi_debug_table_size, . - .Lefi_debug_table
.previous
#endif
.Lsection_table:
.ascii ".text\0\0\0"
.long _etext - .Lefi_header_end
.long .Lefi_header_end - .Ldoshdr
.long _etext - .Lefi_header_end
.long .Lefi_header_end - .Ldoshdr
.long 0, 0
.short 0, 0
.long IMAGE_SCN_CNT_CODE | \
IMAGE_SCN_MEM_READ | \
IMAGE_SCN_MEM_EXECUTE
.ascii ".data\0\0\0"
.long __data_size
.long _etext - .Ldoshdr
.long __data_rawsize
.long _etext - .Ldoshdr
.long 0, 0
.short 0, 0
.long IMAGE_SCN_CNT_INITIALIZED_DATA | \
IMAGE_SCN_MEM_READ | \
IMAGE_SCN_MEM_WRITE
.set .Lsection_count, (. - .Lsection_table) / 40
#ifdef PE_DLL_CHAR_EX
.Lefi_dll_characteristics_ex:
.long PE_DLL_CHAR_EX
#endif
#ifdef CONFIG_DEBUG_EFI
.Lefi_debug_entry:
// EFI_IMAGE_DEBUG_CODEVIEW_NB10_ENTRY
.ascii "NB10" // Signature
.long 0 // Unknown
.long 0 // Unknown2
.long 0 // Unknown3
.asciz ZBOOT_EFI_PATH
.set .Lefi_debug_entry_size, . - .Lefi_debug_entry
#endif
.p2align 12
.Lefi_header_end: