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build.py
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build.py
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from ninjapie import Env, Generator, SourcePath, BuildPath, BuildEdge, Rule
import os
import sys
import subprocess
from glob import glob
target = os.environ.get('M3_TARGET')
isa = os.environ.get('M3_ISA', 'x86_64')
if (target == 'hw' or target == 'hw22') and isa != 'riscv':
exit('Unsupport ISA "' + isa + '" for hw')
if isa == 'arm':
rustisa = isa
rustabi = 'musleabi'
cross = 'arm-buildroot-linux-musleabi-'
crts0 = ['crt0.o', 'crtbegin.o']
crtsn = ['crtend.o']
elif isa == 'riscv':
rustisa = 'riscv64'
rustabi = 'musl'
cross = 'riscv64-buildroot-linux-musl-'
crts0 = ['crt0.o', 'crtbegin.o']
crtsn = ['crtend.o']
else:
rustisa = isa
rustabi = 'musl'
cross = 'x86_64-buildroot-linux-musl-'
crts0 = ['crt0.o', 'crt1.o', 'crtbegin.o']
crtsn = ['crtend.o', 'crtn.o']
if os.environ.get('M3_BUILD') == 'coverage':
rustabi = 'muslcov'
crossdir = os.path.abspath('build/cross-' + isa + '/host')
crossver = '11.3.0'
# ensure that the cross compiler is installed and up to date
crossgcc = crossdir + '/bin/' + cross + 'g++'
if not os.path.isfile(crossgcc):
sys.exit('Please install the ' + isa + ' cross compiler first '
+ '(cd cross && ./build.sh ' + isa + ').')
else:
ver = subprocess.check_output([crossgcc, '-dumpversion']).decode().strip()
if ver != crossver:
sys.exit('Please update the ' + isa + ' cross compiler from '
+ ver + ' to ' + crossver + ' (cd cross && ./build.sh ' + isa + ' clean all).')
bins = {
'bin': [],
'sbin': [],
}
rustapps = []
rustlibs = []
rustfeatures = []
ldscripts = {}
if isa == 'riscv':
link_addr = 0x11000000
else:
link_addr = 0x1000000
class M3Env(Env):
def clone(self):
env = Env.clone(self)
if hasattr(self, 'hostenv'):
env.hostenv = self.hostenv
return env
def try_execute(self, cmd):
return subprocess.getstatusoutput(cmd)[0] == 0
def m3_hex(self, gen, out, input):
out = BuildPath.new(self, out)
gen.add_build(BuildEdge(
'elf2hex',
outs=[out],
ins=[SourcePath.new(self, input)],
deps=[BuildPath(self['TOOLDIR'] + '/elf2hex')],
))
return out
def soft_float(self):
if self['ISA'] == 'x86_64':
self['ASFLAGS'] += ['-msoft-float', '-mno-sse']
self['CFLAGS'] += ['-msoft-float', '-mno-sse']
self['CXXFLAGS'] += ['-msoft-float', '-mno-sse']
elif self['ISA'] == 'riscv':
self['ASFLAGS'] += ['-mabi=lp64']
self['CFLAGS'] += ['-march=rv64imac', '-mabi=lp64']
self['CXXFLAGS'] += ['-march=rv64imac', '-mabi=lp64']
# use the soft-float target spec for rust
self['TRIPLE'] += 'sf'
def m3_exe(self, gen, out, ins, libs=[], dir='bin', NoSup=False,
ldscript='default', varAddr=True):
env = self.clone()
m3libs = ['base', 'm3', 'thread']
if not NoSup:
baselibs = ['gcc', 'c', 'gem5', 'm', 'gloss', 'stdc++', 'supc++']
# add the C library again, because the linker isn't able to resolve m3::Dir::readdir
# otherwise, even though we use "--start-group ... --end-group". I have no idea why
# that occurs now and why only for this symbol.
libs = baselibs + m3libs + libs + ['c']
global ldscripts
env['LINKFLAGS'] += ['-Wl,-T,' + ldscripts[ldscript]]
deps = [ldscripts[ldscript]] + [env['LIBDIR'] + '/' + crt for crt in crts0 + crtsn]
if varAddr:
global link_addr
env['LINKFLAGS'] += ['-Wl,--section-start=.text=' + ('0x%x' % link_addr)]
link_addr += 0x30000
# we provide our own start files, unless no start files are desired by the app
if '-nostartfiles' not in env['LINKFLAGS']:
env['LINKFLAGS'] += ['-nostartfiles']
crt0_objs = [BuildPath(self['BINDIR'] + '/' + f) for f in crts0]
crtn_objs = [BuildPath(self['BINDIR'] + '/' + f) for f in crtsn]
ins = crt0_objs + ins + crtn_objs
gcc_dir = crossdir + '/lib/gcc/' + cross[:-1] + '/' + crossver + '/'
# TODO workaround to ensure that our memcpy, etc. is used instead of the one from Rust's
# compiler-builtins crate (or musl), because those are poor implementations.
fileext = 'sf.o' if env['TRIPLE'].endswith('sf') else 'o'
for cc in ['memcmp', 'memcpy', 'memset', 'memmove', 'memzero']:
src = SourcePath('src/libs/memory/' + cc + '.cc')
ins.append(BuildPath.with_file_ext(env, src, fileext))
bin = env.cxx_exe(gen, out, ins, libs, deps)
if env['TGT'] == 'hw' or env['TGT'] == 'hw22':
hex = env.m3_hex(gen, out + '.hex', bin)
env.install(gen, env['MEMDIR'], hex)
env.install(gen, env['BINDIR'], bin)
if dir is not None:
bins[dir].append(bin)
return bin
def m3_rust_exe(self, gen, out, libs=[], dir='bin', startup=None,
ldscript='default', varAddr=True, std=False, features=[]):
global rustapps, rustfeatures
if out != 'tilemux':
rustapps += [self.cur_dir]
rustfeatures += features
env = self.clone()
env['LINKFLAGS'] += ['-Wl,-z,muldefs']
env['LIBPATH'] += [env['RUSTLIBS']]
ins = [] if startup is None else [startup]
if std:
libs = ['c', 'gem5', 'gcc', 'gcc_eh', out] + libs
elif out == 'tilemux':
libs = ['simplecsf', 'gem5sf', out] + libs
else:
libs = ['simplec', 'gem5', 'gcc', 'gcc_eh', out] + libs
env['LINKFLAGS'] += ['-nodefaultlibs']
return env.m3_exe(gen, out, ins, libs, dir, True, ldscript, varAddr)
def rust_exe(self, gen, out, deps=[]):
deps += env.glob(gen, '**/*.rs') + [SourcePath.new(self, 'Cargo.toml')]
cfg = SourcePath.new(self, '.cargo/config')
if os.path.isfile(cfg):
deps += [cfg]
return Env.rust_exe(self, gen, out, deps=deps)
def m3_rust_lib(self, gen):
global rustlibs
rustlibs += [self.cur_dir]
def add_rust_features(self):
if self['BUILD'] == 'bench':
self['CRGFLAGS'] += ['--features', 'base/bench']
self['CRGFLAGS'] += ['--features', 'base/' + self['TGT']]
def rust_deps(self):
global rustlibs
deps = [SourcePath('src/Cargo.toml'), SourcePath('src/.cargo/config')]
deps += [SourcePath('rust-toolchain.toml')]
if os.path.isfile('src/toolchain/rust/' + self['TRIPLE'] + '.json'):
deps += [SourcePath('src/toolchain/rust/' + self['TRIPLE'] + '.json')]
for cr in rustlibs:
deps += [SourcePath(cr + '/Cargo.toml')]
deps += env.glob(gen, SourcePath(cr + '/**/*.rs'))
return deps
def m3_cargo(self, gen, out):
env = self.clone()
env['CRGFLAGS'] += ['--target', env['TRIPLE']]
env['CRGFLAGS'] += ['-Z build-std=core,alloc,std,panic_abort']
env.add_rust_features()
return env.rust_exe(gen, out, self.rust_deps())
def m3_cargo_ws(self, gen):
global rustapps, rustfeatures
env = self.clone()
outs = []
deps = self.rust_deps()
for cr in rustapps:
deps += [SourcePath(cr + '/Cargo.toml')] + env.glob(gen, SourcePath(cr + '/**/*.rs'))
crate_name = os.path.basename(cr)
outs.append('lib' + crate_name + '.a')
# specify crates explicitly, because some crates are only supported by some targets
env['CRGFLAGS'] += ['-p', crate_name]
env['CRGFLAGS'] += ['--target', env['TRIPLE']]
env['CRGFLAGS'] += ['-Z build-std=core,alloc,std,panic_abort']
for f in rustfeatures:
env['CRGFLAGS'] += ['--features', f]
env.add_rust_features()
outs = env.rust(gen, outs, deps)
for o in outs:
env.install(gen, outdir=env['RUSTLIBS'], input=o)
return outs
def lx_exe(self, gen, out, ins, libs=[], dir='bin'):
env = self.clone()
env['LIBPATH'] += [env['LXLIBDIR']]
libs = ['base-lx', 'm3-lx', 'thread', 'gem5'] + libs
bin = env.cxx_exe(gen, out, ins, libs, [])
env.install(gen, env['RUSTBINS'], bin)
return bin
def lx_cargo_ws(self, gen, outs):
env = self.clone()
deps = env.rust_deps()
deps += [SourcePath.new(env, 'Cargo.toml'), SourcePath.new(env, '.cargo/config')]
for o in outs:
deps += [SourcePath.new(env, o + '/Cargo.toml')]
deps += env.glob(gen, SourcePath.new(env, o + '/**/*.rs'))
env['CRGFLAGS'] += ['--target', env['TRIPLE']]
env.add_rust_features()
outs = env.rust(gen, outs, deps)
for o in outs:
env.install(gen, outdir=env['RUSTBINS'], input=o)
return outs
def build_fs(self, gen, out, dir, blocks, inodes):
deps = [BuildPath(self['TOOLDIR'] + '/mkm3fs')]
global bins
for dirname, dirbins in bins.items():
for b in dirbins:
dst = BuildPath.new(self, dirname + '/' + os.path.basename(b))
self.strip(gen, out=dst, input=b)
deps += [dst]
dir_env = self.clone()
dir_env['INSTFLAGS'] += ['-d']
file_env = self.clone()
file_env['INSTFLAGS'] += ['-m 0644']
for f in self.glob(gen, dir + '/**/*'):
src = SourcePath(f)
dst = BuildPath.new(self, src)
if os.path.isfile(src):
file_env.install_as(gen, dst, src)
elif os.path.isdir(src):
dir_env.install_as(gen, dst, src)
deps += [dst]
out = BuildPath(self['BUILDDIR'] + '/' + out)
gen.add_build(BuildEdge(
'mkm3fs',
outs=[out],
ins=[],
deps=deps,
vars={
'dir': BuildPath.new(self, dir),
'blocks': blocks,
'inodes': inodes
}
))
return out
# build basic environment
env = M3Env()
env['CPPPATH'] += ['src/include']
env['ASFLAGS'] += ['-Wl,-W', '-Wall', '-Wextra']
env['CFLAGS'] += ['-std=c99', '-Wall', '-Wextra', '-Wsign-conversion', '-fdiagnostics-color=always']
env['CXXFLAGS'] += ['-Wall', '-Wextra', '-Wsign-conversion', '-fdiagnostics-color=always']
env['CPPFLAGS'] += ['-U_FORTIFY_SOURCE']
env['CRGFLAGS'] += ['--color=always']
if os.environ.get('M3_VERBOSE', '0') == '1':
env['CRGFLAGS'] += ['-v']
else:
env['CRGFLAGS'] += ['-q']
env['RUSTOUT'] = 'rust/'
# add build-dependent flags (debug/release)
btype = os.environ.get('M3_BUILD')
if btype == 'debug':
env['CXXFLAGS'] += ['-O0', '-g']
env['CFLAGS'] += ['-O0', '-g']
env['ASFLAGS'] += ['-g']
else:
env['CRGFLAGS'] += ['--release']
env['CXXFLAGS'] += ['-O2', '-DNDEBUG', '-flto']
env['CFLAGS'] += ['-O2', '-DNDEBUG', '-flto']
env['LINKFLAGS'] += ['-O2', '-flto']
if btype == 'bench':
env['CPPFLAGS'] += ['-Dbench']
# add some important paths
builddir = 'build/' + target + '-' + isa + '-' + btype
env['TGT'] = target
env['ISA'] = isa
env['BUILD'] = btype
env['BUILDDIR'] = builddir
env['BINDIR'] = builddir + '/bin'
env['LIBDIR'] = builddir + '/bin'
env['LXLIBDIR'] = builddir + '/lxlib'
env['MEMDIR'] = builddir + '/mem'
env['TOOLDIR'] = builddir + '/toolsbin'
env['RUSTLIBS'] = builddir + '/rust/libs'
# for host compilation
hostenv = env.clone()
hostenv['CXXFLAGS'] += ['-std=c++11']
hostenv['CPPFLAGS'] += ['-D__tools__']
if btype == 'release':
hostenv.remove_flag('CXXFLAGS', '-flto')
hostenv.remove_flag('CFLAGS', '-flto')
hostenv.remove_flag('LINKFLAGS', '-flto')
# for target compilation
env['CROSS'] = cross
env['CROSSDIR'] = crossdir
env['CROSSVER'] = crossver
env['CXX'] = cross + 'g++'
env['CPP'] = cross + 'cpp'
env['AS'] = cross + 'gcc'
env['CC'] = cross + 'gcc'
env['AR'] = cross + 'gcc-ar'
env['RANLIB'] = cross + 'gcc-ranlib'
env['STRIP'] = cross + 'strip'
env['SHLINK'] = cross + 'gcc'
# basic flags for target compilation
env['CPPFLAGS'] += ['-D__' + target + '__']
env['CFLAGS'] += ['-gdwarf-2', '-fno-stack-protector', '-ffunction-sections', '-fdata-sections']
env['CXXFLAGS'] += [
'-std=c++20', '-fno-strict-aliasing', '-gdwarf-2', '-fno-omit-frame-pointer',
'-fno-stack-protector', '-Wno-address-of-packed-member',
'-ffunction-sections', '-fdata-sections'
]
env['LINKFLAGS'] += ['-Wl,--gc-section', '-Wno-lto-type-mismatch', '-fno-stack-protector']
# for linux compilation
lxenv = env.clone()
lxenv['CPPFLAGS'] += ['-D__m3lx__']
lxenv['TRIPLE'] = 'riscv64gc-unknown-linux-gnu'
lxenv['RUSTOUT'] = 'm3lx'
lxenv['RUSTBINS'] = builddir + '/lxbin'
env.hostenv = hostenv
# m3-specific settings
env['CXXFLAGS'] += ['-ffreestanding', '-fno-threadsafe-statics']
env['CPPFLAGS'] += ['-D_GNU_SOURCE']
env['TRIPLE'] = rustisa + '-linux-m3-' + rustabi
if isa == 'x86_64':
# disable red-zone for all applications, because we used the application's stack in rctmux's
# IRQ handlers since applications run in privileged mode. TODO can we enable that now?
env['CFLAGS'] += ['-mno-red-zone']
env['CXXFLAGS'] += ['-mno-red-zone']
elif isa == 'arm':
env['CFLAGS'] += ['-march=armv7-a']
env['CXXFLAGS'] += ['-march=armv7-a']
env['LINKFLAGS'] += ['-march=armv7-a']
env['ASFLAGS'] += ['-march=armv7-a']
elif isa == 'riscv':
env['CFLAGS'] += ['-march=rv64imafdc', '-mabi=lp64d']
env['CXXFLAGS'] += ['-march=rv64imafdc', '-mabi=lp64d']
env['LINKFLAGS'] += ['-march=rv64imafdc', '-mabi=lp64d']
env['ASFLAGS'] += ['-march=rv64imafdc', '-mabi=lp64d']
musl_isa = 'riscv64' if isa == 'riscv' else isa
env['CPPPATH'] += [
'src/libs/musl/arch/' + musl_isa,
'src/libs/musl/arch/generic',
'src/libs/musl/m3/include/' + isa,
'src/libs/musl/include',
]
# we install the crt* files to that directory
env['SYSGCCLIBPATH'] = crossdir + '/lib/gcc/' + cross[:-1] + '/' + crossver
# no build-id because it confuses gem5
env['LINKFLAGS'] += ['-static', '-Wl,--build-id=none']
# binaries get very large otherwise
env['LINKFLAGS'] += ['-Wl,-z,max-page-size=4096', '-Wl,-z,common-page-size=4096']
env['LIBPATH'] += [crossdir + '/lib', env['LIBDIR']]
# start the generation
gen = Generator()
gen.add_rule('mkm3fs', Rule(
cmd=env['TOOLDIR'] + '/mkm3fs $out $dir $blocks $inodes 0',
desc='MKFS $out',
))
gen.add_rule('elf2hex', Rule(
cmd=env['TOOLDIR'] + '/elf2hex $in > $out',
desc='ELF2HEX $out',
))
# generate linker scripts
ldscript = 'src/toolchain/ld.conf'
ldscripts['default'] = env.cpp(gen, out='ld-default.conf', input=ldscript)
bare_env = env.clone()
bare_env['CPPFLAGS'] += ['-D__baremetal__=1']
ldscripts['baremetal'] = bare_env.cpp(gen, out='ld-baremetal.conf', input=ldscript)
isr_env = env.clone()
isr_env['CPPFLAGS'] += ['-D__baremetal__=1', '-D__isr__=1']
ldscripts['isr'] = isr_env.cpp(gen, out='ld-isr.conf', input=ldscript)
tilemux_env = env.clone()
tilemux_env['CPPFLAGS'] += ['-D__isr__=1', '-D__tilemux__=1']
ldscripts['tilemux'] = tilemux_env.cpp(gen, out='ld-tilemux.conf', input=ldscript)
# generate build edges
env.sub_build(gen, 'src')
env.sub_build(gen, 'tools')
if isa == 'riscv' and os.path.exists('src/m3lx/build.py'):
lxenv.sub_build(gen, 'src/m3lx')
# finally, write it to file
gen.write_to_file(defaults={})