diff options
Diffstat (limited to 'meson.build')
| -rw-r--r-- | meson.build | 158 |
1 files changed, 142 insertions, 16 deletions
diff --git a/meson.build b/meson.build index 4ea1984fc5..aecc381932 100644 --- a/meson.build +++ b/meson.build @@ -1,4 +1,4 @@ -project('qemu', ['c'], meson_version: '>=1.1.0', +project('qemu', ['c'], meson_version: '>=1.5.0', default_options: ['warning_level=1', 'c_std=gnu11', 'cpp_std=gnu++11', 'b_colorout=auto', 'b_staticpic=false', 'stdsplit=false', 'optimization=2', 'b_pie=true'], version: files('VERSION')) @@ -70,6 +70,19 @@ if host_os == 'darwin' and \ all_languages += ['objc'] objc = meson.get_compiler('objc') endif +have_rust = false +if not get_option('rust').disabled() and add_languages('rust', required: get_option('rust'), native: false) + rustc = meson.get_compiler('rust') + have_rust = true + if rustc.version().version_compare('<1.80.0') + if get_option('rust').enabled() + error('rustc version ' + rustc.version() + ' is unsupported: Please upgrade to at least 1.80.0') + else + warning('rustc version ' + rustc.version() + ' is unsupported: Disabling Rust compilation. Please upgrade to at least 1.80.0 to use Rust.') + have_rust = false + endif + endif +endif dtrace = not_found stap = not_found @@ -322,6 +335,10 @@ elif host_os == 'windows' endif endif +# Choose instruction set (currently x86-only) + +qemu_isa_flags = [] + # __sync_fetch_and_and requires at least -march=i486. Many toolchains # use i686 as default anyway, but for those that don't, an explicit # specification is necessary @@ -338,7 +355,7 @@ if host_arch == 'i386' and not cc.links(''' sfaa(&val); return val; }''') - qemu_common_flags = ['-march=i486'] + qemu_common_flags + qemu_isa_flags += ['-march=i486'] endif # Pick x86-64 baseline version @@ -354,29 +371,31 @@ if host_arch in ['i386', 'x86_64'] else # present on basically all processors but technically not part of # x86-64-v1, so only include -mneeded for x86-64 version 2 and above - qemu_common_flags = ['-mcx16'] + qemu_common_flags + qemu_isa_flags += ['-mcx16'] endif endif if get_option('x86_version') >= '2' - qemu_common_flags = ['-mpopcnt'] + qemu_common_flags - qemu_common_flags = cc.get_supported_arguments('-mneeded') + qemu_common_flags + qemu_isa_flags += ['-mpopcnt'] + qemu_isa_flags += cc.get_supported_arguments('-mneeded') endif if get_option('x86_version') >= '3' - qemu_common_flags = ['-mmovbe', '-mabm', '-mbmi1', '-mbmi2', '-mfma', '-mf16c'] + qemu_common_flags + qemu_isa_flags += ['-mmovbe', '-mabm', '-mbmi', '-mbmi2', '-mfma', '-mf16c'] endif # add required vector instruction set (each level implies those below) if get_option('x86_version') == '1' - qemu_common_flags = ['-msse2'] + qemu_common_flags + qemu_isa_flags += ['-msse2'] elif get_option('x86_version') == '2' - qemu_common_flags = ['-msse4.2'] + qemu_common_flags + qemu_isa_flags += ['-msse4.2'] elif get_option('x86_version') == '3' - qemu_common_flags = ['-mavx2'] + qemu_common_flags + qemu_isa_flags += ['-mavx2'] elif get_option('x86_version') == '4' - qemu_common_flags = ['-mavx512f', '-mavx512bw', '-mavx512cd', '-mavx512dq', '-mavx512vl'] + qemu_common_flags + qemu_isa_flags += ['-mavx512f', '-mavx512bw', '-mavx512cd', '-mavx512dq', '-mavx512vl'] endif endif +qemu_common_flags = qemu_isa_flags + qemu_common_flags + if get_option('prefer_static') qemu_ldflags += get_option('b_pie') ? '-static-pie' : '-static' endif @@ -935,7 +954,9 @@ have_xen_pci_passthrough = get_option('xen_pci_passthrough') \ ################ # When bumping glib minimum version, please check also whether to increase -# the _WIN32_WINNT setting in osdep.h according to the value from glib +# the _WIN32_WINNT setting in osdep.h according to the value from glib. +# You should also check if any of the glib.version() checks +# below can also be removed. glib_req_ver = '>=2.66.0' glib_pc = dependency('glib-2.0', version: glib_req_ver, required: true, method: 'pkg-config') @@ -985,6 +1006,9 @@ glib = declare_dependency(dependencies: [glib_pc, gmodule], # TODO: remove this check and the corresponding workaround (qtree) when # the minimum supported glib is >= 2.75.3 glib_has_gslice = glib.version().version_compare('<2.75.3') +# Check whether glib has the aligned_alloc family of functions. +# <https://docs.gtk.org/glib/func.aligned_alloc.html> +glib_has_aligned_alloc = glib.version().version_compare('>=2.72.0') # override glib dep to include the above refinements meson.override_dependency('glib-2.0', glib) @@ -2158,6 +2182,7 @@ endif config_host_data = configuration_data() +config_host_data.set('CONFIG_HAVE_RUST', have_rust) audio_drivers_selected = [] if have_system audio_drivers_available = { @@ -2516,6 +2541,7 @@ config_host_data.set('CONFIG_TIMERFD', cc.has_function('timerfd_create')) config_host_data.set('HAVE_COPY_FILE_RANGE', cc.has_function('copy_file_range')) config_host_data.set('HAVE_GETIFADDRS', cc.has_function('getifaddrs')) config_host_data.set('HAVE_GLIB_WITH_SLICE_ALLOCATOR', glib_has_gslice) +config_host_data.set('HAVE_GLIB_WITH_ALIGNED_ALLOC', glib_has_aligned_alloc) config_host_data.set('HAVE_OPENPTY', cc.has_function('openpty', dependencies: util)) config_host_data.set('HAVE_STRCHRNUL', cc.has_function('strchrnul')) config_host_data.set('HAVE_SYSTEM_FUNCTION', cc.has_function('system', prefix: '#include <stdlib.h>')) @@ -2806,7 +2832,7 @@ config_host_data.set('CONFIG_ATOMIC64', cc.links(''' __atomic_exchange_n(&x, y, __ATOMIC_RELAXED); __atomic_fetch_add(&x, y, __ATOMIC_RELAXED); return 0; - }''')) + }''', args: qemu_isa_flags)) has_int128_type = cc.compiles(''' __int128_t a; @@ -2840,7 +2866,7 @@ if has_int128_type __atomic_compare_exchange_n(&p[4], &p[5], p[6], 0, __ATOMIC_RELAXED, __ATOMIC_RELAXED); return 0; }''' - has_atomic128 = cc.links(atomic_test_128) + has_atomic128 = cc.links(atomic_test_128, args: qemu_isa_flags) config_host_data.set('CONFIG_ATOMIC128', has_atomic128) @@ -2849,7 +2875,8 @@ if has_int128_type # without optimization enabled. Try again with optimizations locally # enabled for the function. See # https://gcc.gnu.org/bugzilla/show_bug.cgi?id=107389 - has_atomic128_opt = cc.links('__attribute__((optimize("O1")))' + atomic_test_128) + has_atomic128_opt = cc.links('__attribute__((optimize("O1")))' + atomic_test_128, + args: qemu_isa_flags) config_host_data.set('CONFIG_ATOMIC128_OPT', has_atomic128_opt) if not has_atomic128_opt @@ -2860,7 +2887,7 @@ if has_int128_type __sync_val_compare_and_swap_16(&x, y, x); return 0; } - ''')) + ''', args: qemu_isa_flags)) endif endif endif @@ -3097,7 +3124,8 @@ host_kconfig = \ (host_os == 'linux' ? ['CONFIG_LINUX=y'] : []) + \ (multiprocess_allowed ? ['CONFIG_MULTIPROCESS_ALLOWED=y'] : []) + \ (vfio_user_server_allowed ? ['CONFIG_VFIO_USER_SERVER_ALLOWED=y'] : []) + \ - (hv_balloon ? ['CONFIG_HV_BALLOON_POSSIBLE=y'] : []) + (hv_balloon ? ['CONFIG_HV_BALLOON_POSSIBLE=y'] : []) + \ + (have_rust ? ['CONFIG_HAVE_RUST=y'] : []) ignored = [ 'TARGET_XML_FILES', 'TARGET_ABI_DIR', 'TARGET_ARCH' ] @@ -3491,6 +3519,7 @@ qom_ss = ss.source_set() system_ss = ss.source_set() specific_fuzz_ss = ss.source_set() specific_ss = ss.source_set() +rust_devices_ss = ss.source_set() stub_ss = ss.source_set() trace_ss = ss.source_set() user_ss = ss.source_set() @@ -3877,6 +3906,74 @@ common_all = static_library('common', implicit_include_directories: false, dependencies: common_ss.all_dependencies()) +if have_rust and have_system + rustc_args = run_command( + find_program('scripts/rust/rustc_args.py'), + '--config-headers', meson.project_build_root() / 'config-host.h', + capture : true, + check: true).stdout().strip().split() + rustc_args += ['-D', 'unsafe_op_in_unsafe_fn'] + bindgen_args = [ + '--disable-header-comment', + '--raw-line', '// @generated', + '--ctypes-prefix', 'core::ffi', + '--formatter', 'rustfmt', + '--generate-block', + '--generate-cstr', + '--impl-debug', + '--merge-extern-blocks', + '--no-doc-comments', + '--use-core', + '--with-derive-default', + '--no-size_t-is-usize', + '--no-layout-tests', + '--no-prepend-enum-name', + '--allowlist-file', meson.project_source_root() + '/include/.*', + '--allowlist-file', meson.project_source_root() + '/.*', + '--allowlist-file', meson.project_build_root() + '/.*' + ] + c_enums = [ + 'DeviceCategory', + 'GpioPolarity', + 'MachineInitPhase', + 'MemoryDeviceInfoKind', + 'MigrationPolicy', + 'MigrationPriority', + 'QEMUChrEvent', + 'QEMUClockType', + 'device_endian', + 'module_init_type', + ] + foreach enum : c_enums + bindgen_args += ['--rustified-enum', enum] + endforeach + c_bitfields = [ + 'ClockEvent', + 'VMStateFlags', + ] + foreach enum : c_bitfields + bindgen_args += ['--bitfield-enum', enum] + endforeach + + # TODO: Remove this comment when the clang/libclang mismatch issue is solved. + # + # Rust bindings generation with `bindgen` might fail in some cases where the + # detected `libclang` does not match the expected `clang` version/target. In + # this case you must pass the path to `clang` and `libclang` to your build + # command invocation using the environment variables CLANG_PATH and + # LIBCLANG_PATH + bindings_rs = import('rust').bindgen( + input: 'rust/wrapper.h', + dependencies: common_ss.all_dependencies(), + output: 'bindings.rs', + include_directories: include_directories('.', 'include'), + bindgen_version: ['>=0.69.4'], + args: bindgen_args, + ) + subdir('rust') +endif + + feature_to_c = find_program('scripts/feature_to_c.py') if host_os == 'darwin' @@ -3970,6 +4067,29 @@ foreach target : target_dirs arch_srcs += target_specific.sources() arch_deps += target_specific.dependencies() + if have_rust and have_system + target_rust = rust_devices_ss.apply(config_target, strict: false) + crates = [] + foreach dep : target_rust.dependencies() + crates += dep.get_variable('crate') + endforeach + if crates.length() > 0 + rlib_rs = custom_target('rust_' + target.underscorify() + '.rs', + output: 'rust_' + target.underscorify() + '.rs', + command: [find_program('scripts/rust/rust_root_crate.sh')] + crates, + capture: true, + build_by_default: true, + build_always_stale: true) + rlib = static_library('rust_' + target.underscorify(), + rlib_rs, + dependencies: target_rust.dependencies(), + override_options: ['rust_std=2021', 'build.rust_std=2021'], + rust_args: rustc_args, + rust_abi: 'c') + arch_deps += declare_dependency(link_whole: [rlib]) + endif + endif + # allow using headers from the dependencies but do not include the sources, # because this emulator only needs those in "objects". For external # dependencies, the full dependency is included below in the executable. @@ -4308,6 +4428,12 @@ if 'objc' in all_languages else summary_info += {'Objective-C compiler': false} endif +summary_info += {'Rust support': have_rust} +if have_rust + summary_info += {'rustc version': rustc.version()} + summary_info += {'rustc': ' '.join(rustc.cmd_array())} + summary_info += {'Rust target': config_host['RUST_TARGET_TRIPLE']} +endif option_cflags = (get_option('debug') ? ['-g'] : []) if get_option('optimization') != 'plain' option_cflags += ['-O' + get_option('optimization')] |