1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
|
/* 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 - 12 // 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 0
#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
#ifdef CONFIG_DEBUG_EFI
.long .Lefi_debug_table - .Ldoshdr // DebugTable
.long .Lefi_debug_table_size
#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 CONFIG_DEBUG_EFI
.section ".rodata", "a"
.align 2
.Lefi_debug_table:
// EFI_IMAGE_DEBUG_DIRECTORY_ENTRY
.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
.set .Lefi_debug_table_size, . - .Lefi_debug_table
.previous
.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:
|
