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https://github.com/torvalds/linux
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414cefc798
Taking the address delta between symbols in different sections is not supported by the LLVM IAS. Instead, do this in the linker script, so the same data can be properly referenced in assembly. Signed-off-by: WANG Rui <wangrui@loongson.cn> Signed-off-by: WANG Xuerui <git@xen0n.name> [chenhuacai: Fix build with !CONFIG_EFI_STUB] Signed-off-by: Huacai Chen <chenhuacai@loongson.cn>
100 lines
3.4 KiB
ArmAsm
100 lines
3.4 KiB
ArmAsm
/* SPDX-License-Identifier: GPL-2.0 */
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/*
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* Copyright (C) 2020-2022 Loongson Technology Corporation Limited
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*/
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#include <linux/pe.h>
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#include <linux/sizes.h>
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.macro __EFI_PE_HEADER
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.long PE_MAGIC
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.Lcoff_header:
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.short IMAGE_FILE_MACHINE_LOONGARCH64 /* Machine */
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.short .Lsection_count /* NumberOfSections */
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.long 0 /* TimeDateStamp */
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.long 0 /* PointerToSymbolTable */
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.long 0 /* NumberOfSymbols */
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.short .Lsection_table - .Loptional_header /* SizeOfOptionalHeader */
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.short IMAGE_FILE_DEBUG_STRIPPED | \
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IMAGE_FILE_EXECUTABLE_IMAGE | \
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IMAGE_FILE_LINE_NUMS_STRIPPED /* Characteristics */
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.Loptional_header:
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.short PE_OPT_MAGIC_PE32PLUS /* PE32+ format */
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.byte 0x02 /* MajorLinkerVersion */
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.byte 0x14 /* MinorLinkerVersion */
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.long __inittext_end - .Lefi_header_end /* SizeOfCode */
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.long _kernel_vsize /* SizeOfInitializedData */
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.long 0 /* SizeOfUninitializedData */
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.long __efistub_efi_pe_entry - _head /* AddressOfEntryPoint */
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.long .Lefi_header_end - _head /* BaseOfCode */
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.Lextra_header_fields:
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.quad 0 /* ImageBase */
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.long PECOFF_SEGMENT_ALIGN /* SectionAlignment */
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.long PECOFF_FILE_ALIGN /* FileAlignment */
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.short 0 /* MajorOperatingSystemVersion */
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.short 0 /* MinorOperatingSystemVersion */
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.short LINUX_EFISTUB_MAJOR_VERSION /* MajorImageVersion */
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.short LINUX_EFISTUB_MINOR_VERSION /* MinorImageVersion */
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.short 0 /* MajorSubsystemVersion */
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.short 0 /* MinorSubsystemVersion */
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.long 0 /* Win32VersionValue */
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.long _end - _head /* SizeOfImage */
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/* Everything before the kernel image is considered part of the header */
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.long .Lefi_header_end - _head /* SizeOfHeaders */
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.long 0 /* CheckSum */
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.short IMAGE_SUBSYSTEM_EFI_APPLICATION /* Subsystem */
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.short 0 /* DllCharacteristics */
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.quad 0 /* SizeOfStackReserve */
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.quad 0 /* SizeOfStackCommit */
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.quad 0 /* SizeOfHeapReserve */
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.quad 0 /* SizeOfHeapCommit */
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.long 0 /* LoaderFlags */
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.long (.Lsection_table - .) / 8 /* NumberOfRvaAndSizes */
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.quad 0 /* ExportTable */
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.quad 0 /* ImportTable */
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.quad 0 /* ResourceTable */
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.quad 0 /* ExceptionTable */
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.quad 0 /* CertificationTable */
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.quad 0 /* BaseRelocationTable */
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/* Section table */
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.Lsection_table:
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.ascii ".text\0\0\0"
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.long __inittext_end - .Lefi_header_end /* VirtualSize */
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.long .Lefi_header_end - _head /* VirtualAddress */
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.long __inittext_end - .Lefi_header_end /* SizeOfRawData */
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.long .Lefi_header_end - _head /* PointerToRawData */
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.long 0 /* PointerToRelocations */
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.long 0 /* PointerToLineNumbers */
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.short 0 /* NumberOfRelocations */
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.short 0 /* NumberOfLineNumbers */
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.long IMAGE_SCN_CNT_CODE | \
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IMAGE_SCN_MEM_READ | \
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IMAGE_SCN_MEM_EXECUTE /* Characteristics */
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.ascii ".data\0\0\0"
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.long _kernel_vsize /* VirtualSize */
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.long __initdata_begin - _head /* VirtualAddress */
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.long _kernel_rsize /* SizeOfRawData */
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.long __initdata_begin - _head /* PointerToRawData */
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.long 0 /* PointerToRelocations */
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.long 0 /* PointerToLineNumbers */
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.short 0 /* NumberOfRelocations */
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.short 0 /* NumberOfLineNumbers */
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.long IMAGE_SCN_CNT_INITIALIZED_DATA | \
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IMAGE_SCN_MEM_READ | \
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IMAGE_SCN_MEM_WRITE /* Characteristics */
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.set .Lsection_count, (. - .Lsection_table) / 40
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.balign 0x10000 /* PECOFF_SEGMENT_ALIGN */
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.Lefi_header_end:
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.endm
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