193 lines
7.0 KiB
Meson
193 lines
7.0 KiB
Meson
efi_headers = files('''
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console.h
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disk.h
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graphics.h
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linux.h
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measure.h
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pefile.h
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splash.h
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util.h
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'''.split())
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common_sources = '''
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disk.c
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graphics.c
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measure.c
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pefile.c
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util.c
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'''.split()
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systemd_boot_sources = '''
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boot.c
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console.c
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'''.split()
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stub_sources = '''
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linux.c
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splash.c
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stub.c
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'''.split()
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if conf.get('ENABLE_EFI', 0) == 1 and get_option('gnu-efi') != 'false'
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efi_cc = get_option('efi-cc')
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efi_ld = get_option('efi-ld')
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efi_incdir = get_option('efi-includedir')
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efibind_h = '@0@/@1@/efibind.h'.format(efi_incdir, efi_arch)
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have_header = cc.has_header(efibind_h)
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if have_header and EFI_MACHINE_TYPE_NAME == ''
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error('gnu-efi is available, but EFI_MACHINE_TYPE_NAME is unknown')
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endif
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efi_libdir = get_option('efi-libdir')
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if efi_libdir == ''
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cmd = 'cd /usr/lib/$(@0@ -print-multi-os-directory) && pwd'.format(efi_cc)
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ret = run_command('sh', '-c', cmd)
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if ret.returncode() == 0
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efi_libdir = ret.stdout().strip()
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endif
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endif
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have_gnu_efi = have_header and efi_libdir != ''
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else
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have_gnu_efi = false
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endif
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if get_option('gnu-efi') == 'true' and not have_gnu_efi
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error('gnu-efi support requested, but headers were not found')
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endif
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if have_gnu_efi
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efi_conf = configuration_data()
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efi_conf.set_quoted('PACKAGE_VERSION', meson.project_version())
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efi_conf.set_quoted('EFI_MACHINE_TYPE_NAME', EFI_MACHINE_TYPE_NAME)
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efi_config_h = configure_file(
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output : 'efi_config.h',
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configuration : efi_conf)
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objcopy = find_program('objcopy')
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efi_ldsdir = get_option('efi-ldsdir')
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if efi_ldsdir == ''
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efi_ldsdir = join_paths(efi_libdir, 'gnuefi')
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endif
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message('efi-libdir: "@0@"'.format(efi_libdir))
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message('efi-ldsdir: "@0@"'.format(efi_ldsdir))
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message('efi-includedir: "@0@"'.format(efi_incdir))
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compile_args = ['-Wall',
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'-Wextra',
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'-std=gnu90',
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'-nostdinc',
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'-ggdb', '-O0',
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'-fpic',
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'-fshort-wchar',
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'-ffreestanding',
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'-fno-strict-aliasing',
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'-fno-stack-protector',
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'-Wsign-compare',
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'-Wno-missing-field-initializers',
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'-isystem', efi_incdir,
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'-isystem', join_paths(efi_incdir, efi_arch),
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'-include', efi_config_h]
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if efi_arch == 'x86_64'
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compile_args += ['-mno-red-zone',
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'-mno-sse',
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'-mno-mmx',
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'-DEFI_FUNCTION_WRAPPER',
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'-DGNU_EFI_USE_MS_ABI']
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elif efi_arch == 'ia32'
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compile_args += ['-mno-sse',
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'-mno-mmx']
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endif
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efi_ldflags = ['-T',
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'@0@/elf_@1@_efi.lds'.format(efi_ldsdir, efi_arch),
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'-shared',
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'-Bsymbolic',
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'-nostdlib',
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'-znocombreloc',
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'-L', efi_libdir,
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'@0@/crt0-efi-@1@.o'.format(efi_ldsdir, efi_arch)]
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if efi_arch == 'aarch64' or efi_arch == 'arm'
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# Aarch64 and ARM32 don't have an EFI capable objcopy. Use 'binary'
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# instead, and add required symbols manually.
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efi_ldflags += ['--defsym=EFI_SUBSYSTEM=0xa']
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efi_format = ['-O', 'binary']
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else
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efi_format = ['--target=efi-app-@0@'.format(efi_arch)]
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endif
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systemd_boot_objects = []
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stub_objects = []
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foreach file : common_sources + systemd_boot_sources + stub_sources
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o_file = custom_target(file + '.o',
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input : file,
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output : file + '.o',
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command : [efi_cc, '-c', '@INPUT@', '-o', '@OUTPUT@']
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+ compile_args,
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depend_files : efi_headers)
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if (common_sources + systemd_boot_sources).contains(file)
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systemd_boot_objects += [o_file]
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endif
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if (common_sources + stub_sources).contains(file)
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stub_objects += [o_file]
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endif
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endforeach
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libgcc_file_name = run_command(efi_cc, '-print-libgcc-file-name').stdout().strip()
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systemd_boot_efi_name = 'systemd-boot@0@.efi'.format(EFI_MACHINE_TYPE_NAME)
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stub_efi_name = 'linux@0@.efi.stub'.format(EFI_MACHINE_TYPE_NAME)
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no_undefined_symbols = find_program('no-undefined-symbols.sh')
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foreach tuple : [['systemd_boot.so', systemd_boot_efi_name, systemd_boot_objects],
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['stub.so', stub_efi_name, stub_objects]]
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so = custom_target(
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tuple[0],
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input : tuple[2],
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output : tuple[0],
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command : [efi_ld, '-o', '@OUTPUT@'] +
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efi_ldflags + tuple[2] +
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['-lefi', '-lgnuefi', libgcc_file_name])
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test('no-undefined-symbols-' + tuple[0],
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no_undefined_symbols,
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args : [so])
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stub = custom_target(
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tuple[1],
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input : so,
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output : tuple[1],
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command : [objcopy,
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'-j', '.text',
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'-j', '.sdata',
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'-j', '.data',
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'-j', '.dynamic',
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'-j', '.dynsym',
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'-j', '.rel',
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'-j', '.rela',
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'-j', '.reloc']
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+ efi_format +
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['@INPUT@', '@OUTPUT@'],
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install : true,
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install_dir : bootlibdir)
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set_variable(tuple[0].underscorify(), so)
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set_variable(tuple[0].underscorify() + '_stub', stub)
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endforeach
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endif
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############################################################
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if have_gnu_efi
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test_efi_disk_img = custom_target(
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'test-efi-disk.img',
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input : [systemd_boot_so, stub_so_stub],
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output : 'test-efi-disk.img',
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command : [test_efi_create_disk_sh, '@OUTPUT@',
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'@INPUT0@', '@INPUT1@', splash_bmp])
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endif
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