1 /* SPDX-License-Identifier: GPL-2.0-only */
2 /*
3 * Copyright (C) 2013-2017 Linaro Ltd
4 * Authors: Roy Franz <roy.franz@linaro.org>
5 * Ard Biesheuvel <ard.biesheuvel@lina
6 */
7
8 #include <linux/pe.h>
9 #include <linux/sizes.h>
10
11 .macro __nop
12 AR_CLASS( mov r0, r0 )
13 M_CLASS( nop.w )
14 .endm
15
16 .macro __initial_nops
17 #ifdef CONFIG_EFI_STUB
18 @ This is a two-instruction NO
19 @ PE/COFF signature "MZ" in th
20 @ is accepted as an EFI binary
21 @ will not execute those instr
22 @ boot protocol does, so we ne
23 .inst MZ_MAGIC | (0xe225 <<
24 eor r5, r5, 0x4d000
25 #else
26 __nop
27 __nop
28 #endif
29 .endm
30
31 .macro __EFI_HEADER
32 #ifdef CONFIG_EFI_STUB
33 .set start_offset, __efi_st
34 .org start + 0x3c
35 @
36 @ The PE header can be anywher
37 @ simplicity we keep it togeth
38 @ The offset to the PE/COFF he
39 @ 0x3C in the MSDOS header.
40 @ The only 2 fields of the MSD
41 @ PE/COFF offset, and the "MZ"
42 @
43 .long pe_header - start
44
45 pe_header:
46 .long PE_MAGIC
47
48 coff_header:
49 .short IMAGE_FILE_MACHINE_THU
50 .short section_count
51 .long 0
52 .long 0
53 .long 0
54 .short section_table - option
55 .short IMAGE_FILE_32BIT_MACHI
56 IMAGE_FILE_DEBUG_STRIP
57 IMAGE_FILE_EXECUTABLE_
58 IMAGE_FILE_LINE_NUMS_S
59
60 #define __pecoff_code_size (__pecoff_data_star
61
62 optional_header:
63 .short PE_OPT_MAGIC_PE32
64 .byte 0x02
65 .byte 0x14
66 .long __pecoff_code_size
67 .long __pecoff_data_size
68 .long 0
69 .long efi_pe_entry - start
70 .long start_offset
71 .long __pecoff_data_start -
72
73 extra_header_fields:
74 .long 0
75 .long SZ_4K
76 .long SZ_512
77 .short 0
78 .short 0
79 .short LINUX_EFISTUB_MAJOR_VE
80 .short LINUX_EFISTUB_MINOR_VE
81 .short 0
82 .short 0
83 .long 0
84
85 .long __pecoff_end - start
86 .long start_offset
87 .long 0
88 .short IMAGE_SUBSYSTEM_EFI_AP
89 .short 0
90 .long 0
91 .long 0
92 .long 0
93 .long 0
94 .long 0
95 .long (section_table - .) /
96
97 .quad 0
98 .quad 0
99 .quad 0
100 .quad 0
101 .quad 0
102 .quad 0
103
104 section_table:
105 .ascii ".text\0\0\0"
106 .long __pecoff_code_size
107 .long __efi_start
108 .long __pecoff_code_size
109 .long __efi_start
110 .long 0
111 .long 0
112 .short 0
113 .short 0
114 .long IMAGE_SCN_CNT_CODE | \
115 IMAGE_SCN_MEM_READ | \
116 IMAGE_SCN_MEM_EXECUTE
117
118 .ascii ".data\0\0\0"
119 .long __pecoff_data_size
120 .long __pecoff_data_start -
121 .long __pecoff_data_rawsize
122 .long __pecoff_data_start -
123 .long 0
124 .long 0
125 .short 0
126 .short 0
127 .long IMAGE_SCN_CNT_INITIALI
128 IMAGE_SCN_MEM_READ | \
129 IMAGE_SCN_MEM_WRITE
130
131 .set section_count, (. - se
132
133 .align 12
134 __efi_start:
135 #endif
136 .endm
Linux® is a registered trademark of Linus Torvalds in the United States and other countries.
TOMOYO® is a registered trademark of NTT DATA CORPORATION.