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
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
|
# SPDX-License-Identifier: LGPL-2.1+
efi_headers = files('''
console.h
disk.h
graphics.h
linux.h
measure.h
pe.h
splash.h
util.h
shim.h
'''.split())
common_sources = '''
disk.c
graphics.c
measure.c
pe.c
util.c
'''.split()
systemd_boot_sources = '''
boot.c
console.c
shim.c
'''.split()
stub_sources = '''
linux.c
splash.c
stub.c
'''.split()
if conf.get('ENABLE_EFI') == 1 and get_option('gnu-efi') != 'false'
efi_cc = get_option('efi-cc')
if efi_cc.length() == 0
efi_cc = cc.cmd_array()
endif
efi_ld = get_option('efi-ld')
if efi_ld == ''
efi_ld = find_program('ld', required: true)
endif
efi_incdir = get_option('efi-includedir')
gnu_efi_path_arch = ''
foreach name : [gnu_efi_arch, EFI_MACHINE_TYPE_NAME]
if (gnu_efi_path_arch == '' and name != '' and
cc.has_header('@0@/@1@/efibind.h'.format(efi_incdir, name)))
gnu_efi_path_arch = name
endif
endforeach
if gnu_efi_path_arch != '' and EFI_MACHINE_TYPE_NAME == ''
error('gnu-efi is available, but EFI_MACHINE_TYPE_NAME is unknown')
endif
efi_libdir = get_option('efi-libdir')
if efi_libdir == ''
ret = run_command(efi_cc + ['-print-multi-os-directory'])
if ret.returncode() == 0
path = join_paths('/usr/lib', ret.stdout().strip())
ret = run_command('realpath', '-e', path)
if ret.returncode() == 0
efi_libdir = ret.stdout().strip()
endif
endif
endif
have_gnu_efi = gnu_efi_path_arch != '' and efi_libdir != ''
else
have_gnu_efi = false
endif
if get_option('gnu-efi') == 'true' and not have_gnu_efi
error('gnu-efi support requested, but headers were not found')
endif
if have_gnu_efi
efi_conf = configuration_data()
efi_conf.set_quoted('PACKAGE_VERSION', meson.project_version())
efi_conf.set_quoted('EFI_MACHINE_TYPE_NAME', EFI_MACHINE_TYPE_NAME)
efi_conf.set10('ENABLE_TPM', get_option('tpm'))
efi_conf.set('SD_TPM_PCR', get_option('tpm-pcrindex'))
efi_config_h = configure_file(
output : 'efi_config.h',
configuration : efi_conf)
objcopy = find_program('objcopy')
efi_ldsdir = get_option('efi-ldsdir')
arch_lds = 'elf_@0@_efi.lds'.format(gnu_efi_path_arch)
if efi_ldsdir == ''
efi_ldsdir = join_paths(efi_libdir, 'gnuefi')
cmd = run_command('test', '-f', join_paths(efi_ldsdir, arch_lds))
if cmd.returncode() != 0
efi_ldsdir = efi_libdir
cmd = run_command('test', '-f', join_paths(efi_ldsdir, arch_lds))
if cmd.returncode() != 0
error('Cannot find @0@'.format(arch_lds))
endif
endif
endif
compile_args = ['-Wall',
'-Wextra',
'-std=gnu90',
'-nostdinc',
'-ggdb', '-O0',
'-fpic',
'-fshort-wchar',
'-ffreestanding',
'-fno-strict-aliasing',
'-fno-stack-protector',
'-Wsign-compare',
'-Wno-missing-field-initializers',
'-isystem', efi_incdir,
'-isystem', join_paths(efi_incdir, gnu_efi_path_arch),
'-include', efi_config_h]
if efi_arch == 'x86_64'
compile_args += ['-mno-red-zone',
'-mno-sse',
'-mno-mmx',
'-DEFI_FUNCTION_WRAPPER',
'-DGNU_EFI_USE_MS_ABI']
elif efi_arch == 'ia32'
compile_args += ['-mno-sse',
'-mno-mmx']
endif
efi_ldflags = ['-T',
join_paths(efi_ldsdir, arch_lds),
'-shared',
'-Bsymbolic',
'-nostdlib',
'-znocombreloc',
'-L', efi_libdir,
join_paths(efi_ldsdir, 'crt0-efi-@0@.o'.format(gnu_efi_path_arch))]
if efi_arch == 'aarch64' or efi_arch == 'arm'
# Aarch64 and ARM32 don't have an EFI capable objcopy. Use 'binary'
# instead, and add required symbols manually.
efi_ldflags += ['--defsym=EFI_SUBSYSTEM=0xa']
efi_format = ['-O', 'binary']
else
efi_format = ['--target=efi-app-@0@'.format(gnu_efi_arch)]
endif
systemd_boot_objects = []
stub_objects = []
foreach file : common_sources + systemd_boot_sources + stub_sources
o_file = custom_target(file + '.o',
input : file,
output : file + '.o',
command : efi_cc + ['-c', '@INPUT@', '-o', '@OUTPUT@']
+ compile_args,
depend_files : efi_headers)
if (common_sources + systemd_boot_sources).contains(file)
systemd_boot_objects += o_file
endif
if (common_sources + stub_sources).contains(file)
stub_objects += o_file
endif
endforeach
libgcc_file_name = run_command(efi_cc + ['-print-libgcc-file-name']).stdout().strip()
systemd_boot_efi_name = 'systemd-boot@0@.efi'.format(EFI_MACHINE_TYPE_NAME)
stub_efi_name = 'linux@0@.efi.stub'.format(EFI_MACHINE_TYPE_NAME)
no_undefined_symbols = find_program('no-undefined-symbols.sh')
foreach tuple : [['systemd_boot.so', systemd_boot_efi_name, systemd_boot_objects],
['stub.so', stub_efi_name, stub_objects]]
so = custom_target(
tuple[0],
input : tuple[2],
output : tuple[0],
command : [efi_ld, '-o', '@OUTPUT@'] +
efi_ldflags + tuple[2] +
['-lefi', '-lgnuefi', libgcc_file_name])
if want_tests != 'false'
test('no-undefined-symbols-' + tuple[0],
no_undefined_symbols,
args : [so])
endif
stub = custom_target(
tuple[1],
input : so,
output : tuple[1],
command : [objcopy,
'-j', '.text',
'-j', '.sdata',
'-j', '.data',
'-j', '.dynamic',
'-j', '.dynsym',
'-j', '.rel',
'-j', '.rela',
'-j', '.reloc']
+ efi_format +
['@INPUT@', '@OUTPUT@'],
install : true,
install_dir : bootlibdir)
set_variable(tuple[0].underscorify(), so)
set_variable(tuple[0].underscorify() + '_stub', stub)
endforeach
endif
############################################################
if have_gnu_efi
test_efi_disk_img = custom_target(
'test-efi-disk.img',
input : [systemd_boot_so, stub_so_stub],
output : 'test-efi-disk.img',
command : [test_efi_create_disk_sh, '@OUTPUT@',
'@INPUT0@', '@INPUT1@', splash_bmp])
endif
|
