xref: /linux/arch/loongarch/kernel/efi-header.S (revision a8d70602b186f3c347e62c59a418be802b71886d)
1/* SPDX-License-Identifier: GPL-2.0 */
2/*
3 * Copyright (C) 2020-2022 Loongson Technology Corporation Limited
4 */
5
6#include <linux/pe.h>
7#include <linux/sizes.h>
8
9	.macro	__EFI_PE_HEADER
10	.long	PE_MAGIC
11.Lcoff_header:
12	.short	IMAGE_FILE_MACHINE_LOONGARCH64		/* Machine */
13	.short	.Lsection_count				/* NumberOfSections */
14	.long	0 					/* TimeDateStamp */
15	.long	0					/* PointerToSymbolTable */
16	.long	0					/* NumberOfSymbols */
17	.short	.Lsection_table - .Loptional_header	/* SizeOfOptionalHeader */
18	.short	IMAGE_FILE_DEBUG_STRIPPED | \
19		IMAGE_FILE_EXECUTABLE_IMAGE | \
20		IMAGE_FILE_LINE_NUMS_STRIPPED		/* Characteristics */
21
22.Loptional_header:
23	.short	PE_OPT_MAGIC_PE32PLUS			/* PE32+ format */
24	.byte	0x02					/* MajorLinkerVersion */
25	.byte	0x14					/* MinorLinkerVersion */
26	.long	__inittext_end - .Lefi_header_end	/* SizeOfCode */
27	.long	_kernel_vsize				/* SizeOfInitializedData */
28	.long	0					/* SizeOfUninitializedData */
29	.long	__efistub_efi_pe_entry - _head		/* AddressOfEntryPoint */
30	.long	.Lefi_header_end - _head		/* BaseOfCode */
31
32.Lextra_header_fields:
33	.quad	0					/* ImageBase */
34	.long	PECOFF_SEGMENT_ALIGN			/* SectionAlignment */
35	.long	PECOFF_FILE_ALIGN			/* FileAlignment */
36	.short	0					/* MajorOperatingSystemVersion */
37	.short	0					/* MinorOperatingSystemVersion */
38	.short	LINUX_EFISTUB_MAJOR_VERSION		/* MajorImageVersion */
39	.short	LINUX_EFISTUB_MINOR_VERSION		/* MinorImageVersion */
40	.short	0					/* MajorSubsystemVersion */
41	.short	0					/* MinorSubsystemVersion */
42	.long	0					/* Win32VersionValue */
43
44	.long	_end - _head				/* SizeOfImage */
45
46	/* Everything before the kernel image is considered part of the header */
47	.long	.Lefi_header_end - _head		/* SizeOfHeaders */
48	.long	0					/* CheckSum */
49	.short	IMAGE_SUBSYSTEM_EFI_APPLICATION		/* Subsystem */
50	.short	0					/* DllCharacteristics */
51	.quad	0					/* SizeOfStackReserve */
52	.quad	0					/* SizeOfStackCommit */
53	.quad	0					/* SizeOfHeapReserve */
54	.quad	0					/* SizeOfHeapCommit */
55	.long	0					/* LoaderFlags */
56	.long	(.Lsection_table - .) / 8		/* NumberOfRvaAndSizes */
57
58	.quad	0					/* ExportTable */
59	.quad	0					/* ImportTable */
60	.quad	0					/* ResourceTable */
61	.quad	0					/* ExceptionTable */
62	.quad	0					/* CertificationTable */
63	.quad	0					/* BaseRelocationTable */
64
65	/* Section table */
66.Lsection_table:
67	.ascii	".text\0\0\0"
68	.long	__inittext_end - .Lefi_header_end	/* VirtualSize */
69	.long	.Lefi_header_end - _head		/* VirtualAddress */
70	.long	__inittext_end - .Lefi_header_end	/* SizeOfRawData */
71	.long	.Lefi_header_end - _head		/* PointerToRawData */
72
73	.long	0					/* PointerToRelocations */
74	.long	0					/* PointerToLineNumbers */
75	.short	0					/* NumberOfRelocations */
76	.short	0					/* NumberOfLineNumbers */
77	.long	IMAGE_SCN_CNT_CODE | \
78		IMAGE_SCN_MEM_READ | \
79		IMAGE_SCN_MEM_EXECUTE			/* Characteristics */
80
81	.ascii	".data\0\0\0"
82	.long	_kernel_vsize				/* VirtualSize */
83	.long	__initdata_begin - _head		/* VirtualAddress */
84	.long	_kernel_rsize				/* SizeOfRawData */
85	.long	__initdata_begin - _head		/* PointerToRawData */
86
87	.long	0					/* PointerToRelocations */
88	.long	0					/* PointerToLineNumbers */
89	.short	0					/* NumberOfRelocations */
90	.short	0					/* NumberOfLineNumbers */
91	.long	IMAGE_SCN_CNT_INITIALIZED_DATA | \
92		IMAGE_SCN_MEM_READ | \
93		IMAGE_SCN_MEM_WRITE			/* Characteristics */
94
95	.set	.Lsection_count, (. - .Lsection_table) / 40
96
97	.balign	0x10000					/* PECOFF_SEGMENT_ALIGN */
98.Lefi_header_end:
99	.endm
100