1 /* SPDX-License-Identifier: GPL-2.0-only */
2 /*
3 * Copyright (C) 2020 Western Digital Corporat
4 * Adapted from arch/arm64/kernel/efi-header.S
5 */
6
7 #include <linux/pe.h>
8 #include <linux/sizes.h>
9 #include <asm/set_memory.h>
10
11 .macro __EFI_PE_HEADER
12 .long PE_MAGIC
13 coff_header:
14 #ifdef CONFIG_64BIT
15 .short IMAGE_FILE_MACHINE_RISCV64
16 #else
17 .short IMAGE_FILE_MACHINE_RISCV32
18 #endif
19 .short section_count
20 .long 0
21 .long 0
22 .long 0
23 .short section_table - optional_heade
24 .short IMAGE_FILE_DEBUG_STRIPPED | \
25 IMAGE_FILE_EXECUTABLE_IMAGE |
26 IMAGE_FILE_LINE_NUMS_STRIPPED
27
28 optional_header:
29 #ifdef CONFIG_64BIT
30 .short PE_OPT_MAGIC_PE32PLUS
31 #else
32 .short PE_OPT_MAGIC_PE32
33 #endif
34 .byte 0x02
35 .byte 0x14
36 .long __pecoff_text_end - efi_header
37 #ifdef __clang__
38 .long __pecoff_data_virt_size
39 #else
40 .long __pecoff_data_virt_end - __pec
41 #endif
42 .long 0
43 .long __efistub_efi_pe_entry - _star
44 .long efi_header_end - _start
45 #ifdef CONFIG_32BIT
46 .long __pecoff_text_end - _start
47 #endif
48
49 extra_header_fields:
50 .quad 0
51 .long PECOFF_SECTION_ALIGNMENT
52 .long PECOFF_FILE_ALIGNMENT
53 .short 0
54 .short 0
55 .short LINUX_EFISTUB_MAJOR_VERSION
56 .short LINUX_EFISTUB_MINOR_VERSION
57 .short 0
58 .short 0
59 .long 0
60
61 .long _end - _start
62
63 // Everything before the kernel image
64 .long efi_header_end - _start
65 .long 0
66 .short IMAGE_SUBSYSTEM_EFI_APPLICATIO
67 .short IMAGE_DLL_CHARACTERISTICS_NX_C
68 .quad 0
69 .quad 0
70 .quad 0
71 .quad 0
72 .long 0
73 .long (section_table - .) / 8
74
75 .quad 0
76 .quad 0
77 .quad 0
78 .quad 0
79 .quad 0
80 .quad 0
81
82 // Section table
83 section_table:
84 .ascii ".text\0\0\0"
85 .long __pecoff_text_end - efi_header
86 .long efi_header_end - _start
87 .long __pecoff_text_end - efi_header
88 .long efi_header_end - _start
89
90 .long 0
91 .long 0
92 .short 0
93 .short 0
94 .long IMAGE_SCN_CNT_CODE | \
95 IMAGE_SCN_MEM_READ | \
96 IMAGE_SCN_MEM_EXECUTE
97
98 .ascii ".data\0\0\0"
99 #ifdef __clang__
100 .long __pecoff_data_virt_size
101 #else
102 .long __pecoff_data_virt_end - __pec
103 #endif
104 .long __pecoff_text_end - _start
105 #ifdef __clang__
106 .long __pecoff_data_raw_size
107 #else
108 .long __pecoff_data_raw_end - __peco
109 #endif
110 .long __pecoff_text_end - _start
111
112 .long 0
113 .long 0
114 .short 0
115 .short 0
116 .long IMAGE_SCN_CNT_INITIALIZED_DATA
117 IMAGE_SCN_MEM_READ | \
118 IMAGE_SCN_MEM_WRITE
119
120 .set section_count, (. - section_ta
121
122 .balign 0x1000
123 efi_header_end:
124 .endm
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