163 lines
4.0 KiB
Meson
163 lines
4.0 KiB
Meson
project(
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'zinnia',
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license: 'ISC',
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version: '0.1.0',
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meson_version: '>=1.5.0',
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default_options: [
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'c_std=gnu23',
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'werror=true',
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'warning_level=2',
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'strip=true',
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],
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)
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if get_option('headers_only')
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install_subdir('include/uapi', install_dir: get_option('includedir'))
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pkg = import('pkgconfig')
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pkg.generate(name: 'zinnia', description: 'Zinnia user API')
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subdir_done()
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endif
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add_languages('c', native: false, required: true)
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# Check if we're using a sane compiler.
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c_compiler = meson.get_compiler('c')
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# We require a compiler that supports the GNU C dialect.
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assert(c_compiler.has_define('__GNUC__'))
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add_project_arguments(
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'-Wno-unused',
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'-Wno-unused-parameter',
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'-fno-stack-protector',
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'-ffunction-sections',
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'-fdata-sections',
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'-ffreestanding',
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'-fno-stack-protector',
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language: 'c',
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)
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add_project_link_arguments(
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'-ffreestanding',
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'-nostdlib',
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'-znoexecstack',
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'-Wl,--gc-sections',
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'-Wl,--build-id=none',
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language: 'c',
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)
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common_includes = [
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include_directories('include'),
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include_directories('arch' / target_machine.cpu_family() / 'include'),
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]
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cfg = configuration_data()
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cfg.set_quoted('ZINNIA_VERSION', meson.project_version())
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cfg.set_quoted('ZINNIA_ARCH', target_machine.cpu_family())
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cfg.set_quoted('ZINNIA_COMPILER_ID', c_compiler.get_id() + ' ' + c_compiler.version())
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cfg.set_quoted('ZINNIA_LINKER_ID', c_compiler.get_linker_id())
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# Parse kernel config
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kv = import('keyval')
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kconfig = kv.load(get_option('config_path'))
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foreach k, v : kconfig
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if v == 'y'
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cfg.set10(k, true)
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elif v == 'n'
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cfg.set10(k, false)
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else
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cfg.set(k, v)
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endif
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endforeach
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kernel_c_args = ['-DIN_KERNEL']
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kernel_lds = meson.current_source_dir() / 'boot' / 'kernel.ld'
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kernel_link_args = [
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'-T' + kernel_lds,
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'-Wl,--export-dynamic',
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]
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kernel_includes = []
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kernel_sources = []
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modules = {}
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# These dirs go first so we can add arch-specific flags to drivers.
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subdir('arch' / target_machine.cpu_family())
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subdir('boot')
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subdir('core')
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subdir('syscalls')
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# Device and file system drivers.
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subdir('dev')
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subdir('fs')
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configure_file(
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configuration: cfg,
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output: 'config.h',
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)
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mod_summary = {}
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foreach name, v : modules
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is_modular = v.get('modular', false)
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mod_sources = v.get('sources')
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mod_c_args = v.get('c_args', [])
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mod_link_args = v.get('link_args', [])
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mod_includes = v.get('include_directories', [])
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mod_link = v.get('link_with', [])
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if is_modular
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shared_library(
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name,
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sources: mod_sources,
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c_args: ['-fPIC', '-fPIE', '-DIN_MODULE', mod_c_args],
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link_args: [
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'-T' + module_lds, mod_link_args,
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],
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link_depends: module_lds,
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include_directories: [
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common_includes,
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kernel_includes, # We want this, actually
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mod_includes,
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],
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name_prefix: '',
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name_suffix: 'kso',
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link_with: mod_link,
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override_options: ['b_lundef=false'],
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install_dir: get_option('datadir') / 'zinnia' / 'modules',
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#link_depends: kernel.full_path(),
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)
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else
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kernel_sources += mod_sources
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kernel_c_args += mod_c_args
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kernel_includes += mod_includes
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kernel_link_args += mod_link_args
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endif
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if is_modular
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mod_summary += {name: 'mod'}
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else
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mod_summary += {name: 'builtin'}
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endif
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endforeach
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# Kernel
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executable(
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'zinnia',
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include_directories: [
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common_includes,
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kernel_includes,
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],
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c_args: [kernel_c_args],
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link_args: kernel_link_args,
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link_depends: kernel_lds,
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sources: kernel_sources,
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install: true,
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install_dir: get_option('datadir') / 'zinnia',
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pie: true,
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)
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# Print a summary
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summary(mod_summary, section: 'Driver configuration')
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summary(kconfig, bool_yn: true, section: 'Kernel configuration')
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